Some people think that buying a home projector is the same as buying a TV or AV system. The cost, of course, has everything to do with which home projector that you finally decide to buy but in actual fact, spending a little bit more time researching and finding out more about home projector systems can make your investment more worthwhile.
Brightness, typically, is measured in ANSI lumens. For a typical home projector system, the brightness can range anywhere between 700 and 2,000 lumens. The brightness, itself, does not determine the quality of the picture that you will receive from your home projector. The environment of your home will pretty much determine the outcome. Therefore, before you buy a home projector, take into account the ambience of the room that you’ll be placing the home projector system in. If you have a special TV viewing room with controlled lighting, you don’t and won’t need a home projector that gives out too much brightness. However, if you’re placing the home projector in the living room where there are open windows or ambient lighting, you’ll need a far brighter home projector to make it worth your while.
Most experts recommend that TV rooms or dedicated home theatre spaces need a 700 lumens home projector or more. Rooms with ambient lighting should use a home projector with at least 900 lumens or more. In open spaces or living rooms with extremely high lighting, you’ll need a home projector with at least 2,500 lumens.
When shopping for your home projector, take a quick look for a menu that is easy to use. Some professional or business home projectors are not as user-friendly as the projectors made for home users. Your home projector should make it as hassle-free as possible for you change the color, brightness, switch between HDTV and NTSC and adjust your video input sources. Most home projectors come with a remote control because it could be hard if your home projector is fixed on the ceiling or high up on the wall, but be careful and be sure to ask the sales person if the home projector unit that you’re interested in buying comes with a remote control.
Do you want to mount the home projector on the ceiling or place it on a table? Well, both options have its advantages and disadvantages. Mounting the home projector on the ceiling gives more space, creates a more polished look for your viewing area. It won’t be knocked off the table by kids and saves you time since you don’t need to unpack, take it, install, and set the home projector up every time you want to use it.
With a light home projector, you can probably lift it from place to place without too much effort. With these home projectors, placing it on the table for each use is probably not a problem at all. In fact, portability has its advantages…you can literally take your home projector with you everywhere you go!
Dakota Caudilla, journalist, and website builder Dakota Caudilla lives in Texas. He is the owner and co-editor of http://www.must-have-gadgets.com on which you will find a longer, more detailed version of this article.
Article Source: http://EzineArticles.com/?expert=Dakota_Caudilla
An Introduction To Projectors
A projector is an apparatus for presenting an enlarged image on a screen from a transparency such as a photographic slide or a film. In a motion picture projector, each frame is held stationary at an illuminated aperture for a brief period, and then advanced by an intermittent sprocket or reciprocating claw, the light being cut off by a rotating shutter during the movement. The soundtrack on the film is reproduced at a separate sound head where the film is moved continuously at a constant speed.
An average projector usually has a picture resolution of 800 x 600 pixels. Most of the projectors weigh four to six pounds and come with a carrying case. All of the projectors have varied brightness and contrast levels – usually the brightness varies from 1300 lumens to 1500 lumens. A projector with a brightness of 1400 lumens proves to be a good choice for small to medium-sized, well-lit rooms.
Some of the indispensable parts of a projector are the feed spool, xenon arc lamp, projection lens, optical sound head, take up spool, an aperture, normal lens and rotating shutter. But with the advancement of science, new technologies have come into play. The projectors have become much more advanced in terms of clarity of picture and quality of the pixels. Also, the projectors have found use in everyday households, as new versions of domestic projectors have arrived on the market. The abundance of LCD projectors, DLP projectors and video projectors has enabled the common man to enjoy the experience of a big theater hall in his living room.
Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.
Article Source: http://EzineArticles.com/?expert=Elizabeth_Morgan
An average projector usually has a picture resolution of 800 x 600 pixels. Most of the projectors weigh four to six pounds and come with a carrying case. All of the projectors have varied brightness and contrast levels – usually the brightness varies from 1300 lumens to 1500 lumens. A projector with a brightness of 1400 lumens proves to be a good choice for small to medium-sized, well-lit rooms.
Some of the indispensable parts of a projector are the feed spool, xenon arc lamp, projection lens, optical sound head, take up spool, an aperture, normal lens and rotating shutter. But with the advancement of science, new technologies have come into play. The projectors have become much more advanced in terms of clarity of picture and quality of the pixels. Also, the projectors have found use in everyday households, as new versions of domestic projectors have arrived on the market. The abundance of LCD projectors, DLP projectors and video projectors has enabled the common man to enjoy the experience of a big theater hall in his living room.
Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.
Article Source: http://EzineArticles.com/?expert=Elizabeth_Morgan
Video Projector Guide
Well; the world of Projection is certainly a vast place to wonder uninformed, so get informed. I will try to keep this guide as simple as possible.
Things to look for when buying a projector: Manufacturer/Make There are many projector manufacturers these days that make it seem impossible to choose from. But to make it simpler, many manufacturers now a days use parts that are supplied from other manufacturer. In other word not all the parts in a projector is manufactured by the same manufacturer. Thus many projectors already have similar components incorporated into them. Always read reviews posted on computer magazines and online computer magazines before purchasing high end/high priced projector. Look for a company that offers the best warranty & support. Brands like Sony, Panasonic, Toshiba, Sharp, In-focus, View sonic, Mitsubishi, Epson are amongst the best there is.
Technology There are many technologies available today. But the main two types are LCD & DLP. In simple DLP which stands for Digital Light Processing uses hair width tiny mirrors to reflect light into a screen. DLP offer better overall image but cost a lot more. So for home users its better to opt for LCD based projector because of there much lower price and higher availability. Also LCD projector offer excellent image that is comparable to DLP. Big companies and presentation oriented businesses well find DLP a better choice. There are also projections panels. Projections panels are a form of transparent display that are placed over an ordinary Overhead projector and used to project the same type of video sources that normal projector use. Projection panels are cheaper than the types described earlier. CRT Projectors are an old projection technology that is no longer used these days.
Resolution Resolution is very important aspect to consider when purchasing a projector. Many older models are VGA (640*480) & SVGA (800*600); these models are good for displaying movies and other low resolution images, but will no be sufficient for projecting high quality images demanded by high end application such as 3d modeling, games, simulators and CAD. Check the simple chart below:
640*480 (VGA) resolutions are good for Video Games, VHS, VCD and Standalone DVD users. This panel is perfect for DIYers wanting to keep costs at lowest. 800*600 (SVGA) resolutions are perfect for Computer based DVD playback and normal Windows and operation system work. (Plus all the above) 1024*768 (XGA) resolution is perfect for high resolution Computer Games and design applications such as AutoCAD (plus all the above) 1280*1024 (SXGA) resolution is perfect for HDTV applications and computer software that require high detail (plus all the above)
Color Depth Color depth states how good the LCD represents color. It’s the number of colors a monitor or an LCD panel is able to show. A good color depth is 16-Bit; although 24-Bit is strongly advised, this is the color depth that most high end projection panels have.
Lamps An important thing to investigate is the type of lamp used. Check the replacement price of lamps and life expectancy. It would make you no good if you purchase a low price projector and later find out that every lamp replacement will cost you 400$. New lamp models can work for a minimum of 10,000 hrs.
Brightness Brightness output is expressed in lumens. The higher the lumens the better the image is displayed in less than perfect lighting conditions. Some new projector models can display a vivid image even with the light on. 2000 lumens is a good choice for home use. Choose 3000-4000 for presentation theaters and jobs that require a bright image in a not too darkened room. Lumens rating of below 2000 such as the low priced 1300 models will have to be operated in a completely darkened room (Pitch Black).
Connections Connections are a very important factor when choosing a projector. Composite, S-Video and RGB is almost standard on most models. You will need RGB for hooking your computer or laptop; Composite & S-Video for connecting DVD players and VCRs. Some newer models have DVI inputs too that enable them to be connected to high quality video systems like a video editor or digital video cameras. A remote control is a must; you don't wan to get out of your comfy chair every five minutes. Some applications require two RGB connections for simultaneous viewing of different video sources, so make sure to check for it if you need it.
Long throw/Short throw projection It’s important to decide where you are going to place the projector. If the projector is going to be placed in front of an audience then you will need a short throw projector. And if you need to fix the projector some where behind the audience (Far from screen) you will need a long throw projector. What happens when you use short throw projector for a behind the audience application is that the image will be too large to fit on screen, and if you use a long throw projector for short distances you will get a very small and unclear image.
DIY Projectors Well this is interesting. Did you know that you can build a projector yourself, it’s not that hard really and it will cost you a fraction of retail prices? You should have basic knowledge with DIY projects. The image quality is very good you won't believe it. Though some patience is required in order to complete the projector.
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** You are free to publish this article by any delivery method you see fit. But you are kindly asked keep the article intact and as is.
Riad Haddad is a Software Developer and Internet Marketer specializing in state of the art custom solutions; from database development to website marketing.
http://www.fitsoftinc.com
Article Source: http://EzineArticles.com/?expert=Riad_Haddad
Things to look for when buying a projector: Manufacturer/Make There are many projector manufacturers these days that make it seem impossible to choose from. But to make it simpler, many manufacturers now a days use parts that are supplied from other manufacturer. In other word not all the parts in a projector is manufactured by the same manufacturer. Thus many projectors already have similar components incorporated into them. Always read reviews posted on computer magazines and online computer magazines before purchasing high end/high priced projector. Look for a company that offers the best warranty & support. Brands like Sony, Panasonic, Toshiba, Sharp, In-focus, View sonic, Mitsubishi, Epson are amongst the best there is.
Technology There are many technologies available today. But the main two types are LCD & DLP. In simple DLP which stands for Digital Light Processing uses hair width tiny mirrors to reflect light into a screen. DLP offer better overall image but cost a lot more. So for home users its better to opt for LCD based projector because of there much lower price and higher availability. Also LCD projector offer excellent image that is comparable to DLP. Big companies and presentation oriented businesses well find DLP a better choice. There are also projections panels. Projections panels are a form of transparent display that are placed over an ordinary Overhead projector and used to project the same type of video sources that normal projector use. Projection panels are cheaper than the types described earlier. CRT Projectors are an old projection technology that is no longer used these days.
Resolution Resolution is very important aspect to consider when purchasing a projector. Many older models are VGA (640*480) & SVGA (800*600); these models are good for displaying movies and other low resolution images, but will no be sufficient for projecting high quality images demanded by high end application such as 3d modeling, games, simulators and CAD. Check the simple chart below:
640*480 (VGA) resolutions are good for Video Games, VHS, VCD and Standalone DVD users. This panel is perfect for DIYers wanting to keep costs at lowest. 800*600 (SVGA) resolutions are perfect for Computer based DVD playback and normal Windows and operation system work. (Plus all the above) 1024*768 (XGA) resolution is perfect for high resolution Computer Games and design applications such as AutoCAD (plus all the above) 1280*1024 (SXGA) resolution is perfect for HDTV applications and computer software that require high detail (plus all the above)
Color Depth Color depth states how good the LCD represents color. It’s the number of colors a monitor or an LCD panel is able to show. A good color depth is 16-Bit; although 24-Bit is strongly advised, this is the color depth that most high end projection panels have.
Lamps An important thing to investigate is the type of lamp used. Check the replacement price of lamps and life expectancy. It would make you no good if you purchase a low price projector and later find out that every lamp replacement will cost you 400$. New lamp models can work for a minimum of 10,000 hrs.
Brightness Brightness output is expressed in lumens. The higher the lumens the better the image is displayed in less than perfect lighting conditions. Some new projector models can display a vivid image even with the light on. 2000 lumens is a good choice for home use. Choose 3000-4000 for presentation theaters and jobs that require a bright image in a not too darkened room. Lumens rating of below 2000 such as the low priced 1300 models will have to be operated in a completely darkened room (Pitch Black).
Connections Connections are a very important factor when choosing a projector. Composite, S-Video and RGB is almost standard on most models. You will need RGB for hooking your computer or laptop; Composite & S-Video for connecting DVD players and VCRs. Some newer models have DVI inputs too that enable them to be connected to high quality video systems like a video editor or digital video cameras. A remote control is a must; you don't wan to get out of your comfy chair every five minutes. Some applications require two RGB connections for simultaneous viewing of different video sources, so make sure to check for it if you need it.
Long throw/Short throw projection It’s important to decide where you are going to place the projector. If the projector is going to be placed in front of an audience then you will need a short throw projector. And if you need to fix the projector some where behind the audience (Far from screen) you will need a long throw projector. What happens when you use short throw projector for a behind the audience application is that the image will be too large to fit on screen, and if you use a long throw projector for short distances you will get a very small and unclear image.
DIY Projectors Well this is interesting. Did you know that you can build a projector yourself, it’s not that hard really and it will cost you a fraction of retail prices? You should have basic knowledge with DIY projects. The image quality is very good you won't believe it. Though some patience is required in order to complete the projector.
-------------------------------------------------------------------------------------------------------
** You are free to publish this article by any delivery method you see fit. But you are kindly asked keep the article intact and as is.
Riad Haddad is a Software Developer and Internet Marketer specializing in state of the art custom solutions; from database development to website marketing.
http://www.fitsoftinc.com
Article Source: http://EzineArticles.com/?expert=Riad_Haddad
DLP Projectors
Some of the indispensable parts of a projector are the feed spool, xenon arc lamp, projection lens, optical sound head, take up spool, an aperture, normal lens and a rotating shutter. But with the advancement of science, new technologies have come into play. The projectors have become much more advanced in terms of clarity of picture and the quality of the pixels. Also, the projectors have found use in everyday households, as new versions of domestic projectors have arrived on the market. The abundance of LCD projectors, DLP projectors and video projectors has allowed the common man to enjoy the experience of a big theater hall in his living room.
DLP, or Digital Light Processing, is a technology implemented in today’s projectors and projection televisions. In DLP projectors, the image is created by microscopically small mirrors. These minute pieces are then put in a matrix on a semiconductor chip. This chip is called DMD (Digital Micromirror Device). These mirrors are treated as pixels. The number of those minutely small mirrors exactly corresponds with the resolution of the project image.
There are single-chip projectors and three-chip projectors. A single-chip projector has a single DMD, and a single color wheel produces all the colors. The color wheel is divided into four sectors of basic primary colors. They are red, green, and blue, and an additional clear section to boost brightness. A three-chip DLP projector uses a prism to split light from the lamp. Then the basic colors are routed to their own DMD chip. Then these colors are passed through the lens, where they are combined together.
Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.
Article Source: http://EzineArticles.com/?expert=Elizabeth_Morgan
DLP, or Digital Light Processing, is a technology implemented in today’s projectors and projection televisions. In DLP projectors, the image is created by microscopically small mirrors. These minute pieces are then put in a matrix on a semiconductor chip. This chip is called DMD (Digital Micromirror Device). These mirrors are treated as pixels. The number of those minutely small mirrors exactly corresponds with the resolution of the project image.
There are single-chip projectors and three-chip projectors. A single-chip projector has a single DMD, and a single color wheel produces all the colors. The color wheel is divided into four sectors of basic primary colors. They are red, green, and blue, and an additional clear section to boost brightness. A three-chip DLP projector uses a prism to split light from the lamp. Then the basic colors are routed to their own DMD chip. Then these colors are passed through the lens, where they are combined together.
Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.
Article Source: http://EzineArticles.com/?expert=Elizabeth_Morgan
Video Projectors
Some of the various indispensable parts of a video projector are the feed spool, xenon arc lamp, projection lens, optical sound head, take up spool, an aperture, normal lens and a rotating shutter. But with the advancement of science, new technologies have come into play. The projectors have become much more advanced in terms of clarity of picture and the quality of the pixels. Also, the projectors have found use in everyday households, as new versions of domestic projectors have arrived on the market. The abundance of LCD projectors, DLP projectors and video projectors has allowed the common man to enjoy the experience of a big theater hall in his living room.
Video projectors have become very common throughout the world. One can have all the excitement and enjoyment of a big movie blockbuster at home. They are also used in schools and colleges where it is necessary to show videos and films on a regular basis to a large number of people.
It is always advisable to the users of video projectors or projection televisions to pay attention to the scaler. One can use a number of processors, scalers or switches to optimize the video sources to best match the native resolution of your video projector, flat panel, or LCD/DLP-based rear projection television. Video projectors have some kind of capability for scaling. Making use of or implementing an outboard processor or a scaler can raise the performance level to a much higher level for both video display and source components.
Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.
Article Source: http://EzineArticles.com/?expert=Elizabeth_Morgan
Video projectors have become very common throughout the world. One can have all the excitement and enjoyment of a big movie blockbuster at home. They are also used in schools and colleges where it is necessary to show videos and films on a regular basis to a large number of people.
It is always advisable to the users of video projectors or projection televisions to pay attention to the scaler. One can use a number of processors, scalers or switches to optimize the video sources to best match the native resolution of your video projector, flat panel, or LCD/DLP-based rear projection television. Video projectors have some kind of capability for scaling. Making use of or implementing an outboard processor or a scaler can raise the performance level to a much higher level for both video display and source components.
Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.
Article Source: http://EzineArticles.com/?expert=Elizabeth_Morgan
HDTV Projectors
HDTV, also known as High Definition Television, is the future of the DTV transition. This transmits pictures with high resolution, which is twice higher than the analog TV or DVDs. HDTV projector is a specialized device for displaying the HDTV.
Today, HDTV projectors are used in various areas. This includes entertainment, business presentations, seminars, and also for public display. HDTV projector can be an addition to your home theater system as the HDTV projector is equipped to receive the HDTV.
Basically, HDTV projectors come in three different forms; DLP (stands for digital light processing) HDTV projector, LCD (liquid crystal display) HDTV projector, and LCOS (liquid crystal on silicon) HDTV projector. Among the three types, the LCOS is the latest trend in HDTV display. The cost of a HDTV projector will fluctuate based on the type. On an average, a DLP HDTV projector will cost $2,000 and more. While an LCD HDTV projector will cost less than $2,000 and an LCOS HDTV projector will approximately cost $5,000 and more.
To meet the varying needs, HDTV projectors come in a wide variety of sizes, weights, and technical features. HDTV projectors can be availed with a contrast ratio ranging from 1500:1 to 8000:1. Commonly, HDTV comes in two formats; 1080i and 720p (where "i" stands for interlaced, and "p" stands for progressive.) But, the advanced HDTV projectors come with 1920x1080 internal resolutions. Thus, this type of projectors can display 1080i with maximum clarity and it will cost $20,000 and more. Mostly, the HDTV projectors are compact in size and are very easy to operate.
Different brands of HDTV projectors are available in the market today. Some of the top brands are Sony, Mitsubishi, Dukane, Sharp, and Panasonic. Mostly, all the types and brands of the HDTV projectors are complemented with different warranty periods, A/V cables, remote control, and more. Depending on the availability, the HDTV projectors can be availed from dealers, local outlets, or online stores.
While purchasing a HDTV projector, it is always recommended to check the projector?s compatibility with other systems in the house like VCRs, DVD players, surrounding sound components and standard TV systems. If this is done, the HDTV projector will display pictures with high resolution, thus giving you a cinematic ambience and feel.
HDTV provides detailed information on HDTV, Plasma HDTV, HDTV Antennas, HDTV Reviews and more. HDTV is affiliated with Home Theater Projectors.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
Today, HDTV projectors are used in various areas. This includes entertainment, business presentations, seminars, and also for public display. HDTV projector can be an addition to your home theater system as the HDTV projector is equipped to receive the HDTV.
Basically, HDTV projectors come in three different forms; DLP (stands for digital light processing) HDTV projector, LCD (liquid crystal display) HDTV projector, and LCOS (liquid crystal on silicon) HDTV projector. Among the three types, the LCOS is the latest trend in HDTV display. The cost of a HDTV projector will fluctuate based on the type. On an average, a DLP HDTV projector will cost $2,000 and more. While an LCD HDTV projector will cost less than $2,000 and an LCOS HDTV projector will approximately cost $5,000 and more.
To meet the varying needs, HDTV projectors come in a wide variety of sizes, weights, and technical features. HDTV projectors can be availed with a contrast ratio ranging from 1500:1 to 8000:1. Commonly, HDTV comes in two formats; 1080i and 720p (where "i" stands for interlaced, and "p" stands for progressive.) But, the advanced HDTV projectors come with 1920x1080 internal resolutions. Thus, this type of projectors can display 1080i with maximum clarity and it will cost $20,000 and more. Mostly, the HDTV projectors are compact in size and are very easy to operate.
Different brands of HDTV projectors are available in the market today. Some of the top brands are Sony, Mitsubishi, Dukane, Sharp, and Panasonic. Mostly, all the types and brands of the HDTV projectors are complemented with different warranty periods, A/V cables, remote control, and more. Depending on the availability, the HDTV projectors can be availed from dealers, local outlets, or online stores.
While purchasing a HDTV projector, it is always recommended to check the projector?s compatibility with other systems in the house like VCRs, DVD players, surrounding sound components and standard TV systems. If this is done, the HDTV projector will display pictures with high resolution, thus giving you a cinematic ambience and feel.
HDTV provides detailed information on HDTV, Plasma HDTV, HDTV Antennas, HDTV Reviews and more. HDTV is affiliated with Home Theater Projectors.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
Using a Digital Projector
Many schools have one or several digital projectors available for educators to use. Many people are worried that making slide shows and setting up the equipment will take too much effort and time. On the contrary, the use of digital projectors saves time and can take minimal effort.
Most digital projectors take no time to set-up. Have someone show you how to set-up the projector a few times and then try it yourself several times until you are comfortable setting up the projector on your own. Each projector and computer have their own little quirks so having someone who is familiar with the system will prevent running into trouble in the future.
Creating slide shows for your lessons may take a little effort in the beginning, however, once these lessons are created they will be saved for you to reuse or to tweak. There are also websites like http://MrKent.Net that provide subject specific slide shows for you to change or use as you please.
The only way to find out if using a digital projector is for you is to give it a try. Create or download a short lesson and present it to your students to compare it to your regular lesson Format. One thing you will notice right away is that you spend more time interacting with your class and less time writing and erasing items on the board.
Mr. L. Kent is an experienced educator and president of MrKent.Net - Education Technology Made Simple.
For more educational techology tips and reviews please visit us at http://www.mrkent.net/ - Education Techology Made Simple.
Article Source: http://EzineArticles.com/?expert=Luke_Kent
Most digital projectors take no time to set-up. Have someone show you how to set-up the projector a few times and then try it yourself several times until you are comfortable setting up the projector on your own. Each projector and computer have their own little quirks so having someone who is familiar with the system will prevent running into trouble in the future.
Creating slide shows for your lessons may take a little effort in the beginning, however, once these lessons are created they will be saved for you to reuse or to tweak. There are also websites like http://MrKent.Net that provide subject specific slide shows for you to change or use as you please.
The only way to find out if using a digital projector is for you is to give it a try. Create or download a short lesson and present it to your students to compare it to your regular lesson Format. One thing you will notice right away is that you spend more time interacting with your class and less time writing and erasing items on the board.
Mr. L. Kent is an experienced educator and president of MrKent.Net - Education Technology Made Simple.
For more educational techology tips and reviews please visit us at http://www.mrkent.net/ - Education Techology Made Simple.
Article Source: http://EzineArticles.com/?expert=Luke_Kent
Digital Projector -- Give a Bigger Picture
Digital projectors are those video projectors which are used in conferences for presentations. The digital projectors receive video signals from, usually, desktop computers and display images on large screens which can be easily comprehended by all in the gathering.
Two Types of Digital Projectors To begin with, there are two technologies used by digital projectors, the older one being the LCD, liquid crystal display with independent transparent panels of LCD for each constituent primary color (red, blue and green.) The image transmission depends on the signal received by the projector from PC which redirects the light signals through these LCD panels and lens onto a screen. The LCD projectors look pretty similar to older slide projectors and are simple in construction and thus cost less in comparison to their successors DLP projectors. The LCD can be thought of as slides placed at the focal length of the lens making it complete. Clarity of picture in LCD projectors depends on the number of pixels it is set for. (Pixels are smallest area of data or picture holders)
DLP Projectors: The Latest of the Digital Projectors Digital Light Processing or DLP is a technology developed by Texas Instruments in 1987. DLP projectors bring in a paradigm difference in technology in image projection to board rooms. Unlike their predecessors, DLP projectors make use of tiny mirrors or micro mirrors to reflect light images to pass through the projector lens and onto a screen. Each mirror can be thought of as representing a pixel. The mirrors reflect primary colors in rapidly rotating succession as actuated by a rotating color filter wheel. The image of rapidly changing colors ‘constructs’ images for human eye perception. The micro mirrors are collectively called as DMD or ‘digital micromirror device’.
For the sake of enhancing picture clarity, the rotating wheel is provided with a plain patch which allows plain white light. This type of DMD projectors are also known as single chip projectors. The three chip projectors are a bit complicated but offer better clarity. Here a prism splits the light from lamp into primary colors which are redirected to DMD which recombines them before projecting through the lens.
Where Is the Difference DLP projectors are lighter and give far better pictures. Single chip resolves 16.7 colors while the three chip model does a, hold your breath, 35 trillion colors.
Commercial Models Texas Instruments is the pioneer who owns the patent for DLP technology. Fraunhofer Institute of Dresden of Germany developed the same technology simultaneously and markets it as Spatial Light Modulators. HP, Samsung are other market leaders in both LCD and DLP technologies.
NamSing Then is a regular article contributor on many topics. Be sure to visit his other websites Digital Video Camera, Lcd Tv Monitor and One Stop Information
Article Source: http://EzineArticles.com/?expert=NamSing_Then
Two Types of Digital Projectors To begin with, there are two technologies used by digital projectors, the older one being the LCD, liquid crystal display with independent transparent panels of LCD for each constituent primary color (red, blue and green.) The image transmission depends on the signal received by the projector from PC which redirects the light signals through these LCD panels and lens onto a screen. The LCD projectors look pretty similar to older slide projectors and are simple in construction and thus cost less in comparison to their successors DLP projectors. The LCD can be thought of as slides placed at the focal length of the lens making it complete. Clarity of picture in LCD projectors depends on the number of pixels it is set for. (Pixels are smallest area of data or picture holders)
DLP Projectors: The Latest of the Digital Projectors Digital Light Processing or DLP is a technology developed by Texas Instruments in 1987. DLP projectors bring in a paradigm difference in technology in image projection to board rooms. Unlike their predecessors, DLP projectors make use of tiny mirrors or micro mirrors to reflect light images to pass through the projector lens and onto a screen. Each mirror can be thought of as representing a pixel. The mirrors reflect primary colors in rapidly rotating succession as actuated by a rotating color filter wheel. The image of rapidly changing colors ‘constructs’ images for human eye perception. The micro mirrors are collectively called as DMD or ‘digital micromirror device’.
For the sake of enhancing picture clarity, the rotating wheel is provided with a plain patch which allows plain white light. This type of DMD projectors are also known as single chip projectors. The three chip projectors are a bit complicated but offer better clarity. Here a prism splits the light from lamp into primary colors which are redirected to DMD which recombines them before projecting through the lens.
Where Is the Difference DLP projectors are lighter and give far better pictures. Single chip resolves 16.7 colors while the three chip model does a, hold your breath, 35 trillion colors.
Commercial Models Texas Instruments is the pioneer who owns the patent for DLP technology. Fraunhofer Institute of Dresden of Germany developed the same technology simultaneously and markets it as Spatial Light Modulators. HP, Samsung are other market leaders in both LCD and DLP technologies.
NamSing Then is a regular article contributor on many topics. Be sure to visit his other websites Digital Video Camera, Lcd Tv Monitor and One Stop Information
Article Source: http://EzineArticles.com/?expert=NamSing_Then
Choosing a Digital Projector
There are tons of digital projectors available and they are constantly dropping in price. However, when choosing a projector for yourself or your school there are a few practical things you should remember.
When choosing a projector you need to consider under what circumstances will you be presenting slide shows. The strength of a projector's brightness is measured in units called lumens. Projectors range between 650-5000 lumens. The higher the lumens the brighter the projector. Projectors that are less than 1000 lumens may not be great in a room with a lot of ambient light. For a classroom you should consider buying a projector with greater than 1000 lumens. If the projector will be used for larger presentations, for 100 or more people, a projector with greater than 3000 lumens may be needed.
A great accessory to your projector is a wireless mouse. These have dropped considerably in price and allow the educator to face their audience when presenting the slide show. When choosing a wireless mouse choose one that has a long range so that you can walk around when presenting.
Many projectors also come with remotes that help the presenter make adjustments to the slide shows quickly during the presentation without having to fiddle with the projector.
Remember when buying a projector analyze you needs first. You may not need to spend as much as you think or you may need to spend the extra cash to get a projector that suits your needs.
For more product reviews and teaching tips visit our site below.
Mr. L. Kent is an experienced educator and the lead consultant of http://MrKent.Net - Education Technology Made Simple. Feel free to visit the site and/or subscribe to our fantastic monthly newsletter at http://mrkent.net/php/?p=subscribe .
Luke Kent provides assistance to other educators by offering his interesting seminar, Teaching with Technology: A Fun Workshop for Technology Challenged Teachers. To book a seminar or a consultation visit http://MrKent.Net .
Article Source: http://EzineArticles.com/?expert=Luke_Kent
When choosing a projector you need to consider under what circumstances will you be presenting slide shows. The strength of a projector's brightness is measured in units called lumens. Projectors range between 650-5000 lumens. The higher the lumens the brighter the projector. Projectors that are less than 1000 lumens may not be great in a room with a lot of ambient light. For a classroom you should consider buying a projector with greater than 1000 lumens. If the projector will be used for larger presentations, for 100 or more people, a projector with greater than 3000 lumens may be needed.
A great accessory to your projector is a wireless mouse. These have dropped considerably in price and allow the educator to face their audience when presenting the slide show. When choosing a wireless mouse choose one that has a long range so that you can walk around when presenting.
Many projectors also come with remotes that help the presenter make adjustments to the slide shows quickly during the presentation without having to fiddle with the projector.
Remember when buying a projector analyze you needs first. You may not need to spend as much as you think or you may need to spend the extra cash to get a projector that suits your needs.
For more product reviews and teaching tips visit our site below.
Mr. L. Kent is an experienced educator and the lead consultant of http://MrKent.Net - Education Technology Made Simple. Feel free to visit the site and/or subscribe to our fantastic monthly newsletter at http://mrkent.net/php/?p=subscribe .
Luke Kent provides assistance to other educators by offering his interesting seminar, Teaching with Technology: A Fun Workshop for Technology Challenged Teachers. To book a seminar or a consultation visit http://MrKent.Net .
Article Source: http://EzineArticles.com/?expert=Luke_Kent
Home Theater - Plasma TV VS Projectors
Many homeowners are struggling with an important, electronic question: What is the ideal display for my home theater? Many people have fought this debate, but I'll try to make clear some important considerations.
The most important detail to consider when deciding between a projector and a large plasma television is ambient light. A room with lots of windows presents a problem for a projector because every little bit of ambient lighting degrades the projected image. The ideal environment for a projector is one where you have total control over the lighting. If your home theater uses a projector, you are limited to using it when you can eliminate other light. A plasma screen can be used anyplace, anytime.
Assuming your home theater has blackout curtains, or exists deep underground; let's examine differences between a plasma television and a projector. One advantage of a projector is that you can get a much larger picture than is available in plasma. Projectors can produce images comparable to an 81-inch screen and larger. This just isn't possible with a plasma screen. However, plasma's have the advantage of not needing any amount of space. A projector must have a long enough corridor to project its image on the wall or screen. To get an 81-inch or greater image, you need a decent distance between the projector and the target. Second, a projector's image is dependent on more than the quality of the projector; you must be projecting onto a specialized surface or you lose detail. A top of the line HD projector with a very high native resolution would be wasted if you were just projecting the image onto a wall. You need an equally high quality screen with features such as a matte finish to eliminate reflection and glare. A plasma display requires no additional equipment.
Overall, a projector has the potential of creating a beautiful image, but it needs too much to work effectively. If you're creating a private movie theater with lighting control and an investment in a screen, mounting equipment, and blackout curtains, then a projector is your piece of equipment. For everyone else, I suggest a plasma television.
Jakob Culver is founder of the website http://www.plasmatvarena.com providing information, articles and reviews about plasma tv's. To find more articles like this one visit the site http://www.plasmatvarena.com.
© Millennium Online Marteting Pty Ltd
This article may be reprinted for use in websites provided that the information box is kept intact. Email notice of intent to publish is appreciated but not required: millenniumonlinemarketing@hotmail.com
Article Source: http://EzineArticles.com/?expert=Jakob_Culver
The most important detail to consider when deciding between a projector and a large plasma television is ambient light. A room with lots of windows presents a problem for a projector because every little bit of ambient lighting degrades the projected image. The ideal environment for a projector is one where you have total control over the lighting. If your home theater uses a projector, you are limited to using it when you can eliminate other light. A plasma screen can be used anyplace, anytime.
Assuming your home theater has blackout curtains, or exists deep underground; let's examine differences between a plasma television and a projector. One advantage of a projector is that you can get a much larger picture than is available in plasma. Projectors can produce images comparable to an 81-inch screen and larger. This just isn't possible with a plasma screen. However, plasma's have the advantage of not needing any amount of space. A projector must have a long enough corridor to project its image on the wall or screen. To get an 81-inch or greater image, you need a decent distance between the projector and the target. Second, a projector's image is dependent on more than the quality of the projector; you must be projecting onto a specialized surface or you lose detail. A top of the line HD projector with a very high native resolution would be wasted if you were just projecting the image onto a wall. You need an equally high quality screen with features such as a matte finish to eliminate reflection and glare. A plasma display requires no additional equipment.
Overall, a projector has the potential of creating a beautiful image, but it needs too much to work effectively. If you're creating a private movie theater with lighting control and an investment in a screen, mounting equipment, and blackout curtains, then a projector is your piece of equipment. For everyone else, I suggest a plasma television.
Jakob Culver is founder of the website http://www.plasmatvarena.com providing information, articles and reviews about plasma tv's. To find more articles like this one visit the site http://www.plasmatvarena.com.
© Millennium Online Marteting Pty Ltd
This article may be reprinted for use in websites provided that the information box is kept intact. Email notice of intent to publish is appreciated but not required: millenniumonlinemarketing@hotmail.com
Article Source: http://EzineArticles.com/?expert=Jakob_Culver
Projector Buying Tips: The Best Projector Shopping Guide
Technology has always been known to make people’s lives better. In fact, some surveys said that 8 out of 10 people who were interviewed showed significant representation of people who were relieved to have the best technology in their lives.
One of the primary reasons why technology is deemed as life’s enhancers is because it can unleash the limits set upon the rigidity of previous inventions.
This goes to show that with the new trend of technology, people can expect a better life because it provides a hundred and one ways of making the impossible doable.
Take for example the case of projectors. Before, projectors are known to be used in movie theaters and during business presentations or seminars.
But with the continuous technological advancement and development, projectors are now known to be used even at home. This is especially true to those who want to create a home-based theater of their own.
Technically speaking, projectors work in a way that the visual aspects that are limited on the tube of a television are directly converted into a bigger screen. This is where the graphics and images are unleashed on a bigger view and where space is no longer constrained in a tube.
However, not all projectors are created equal. Therefore, projectors may vary from one model to another. So the only way to get the best item is to know how to effectively buy a good one.
Here is a list of some tips that consumers may use when buying projectors.
1. Know the available type
Basically, there are only tow types of video projectors: the LCP, or the liquid crystal projection, and the tubed. Both of them can function well as far as projection is concerned.
Also, these two kinds of projectors are unique on each sense of functionality that may influence the presentation and setting up of the item.
Each has its own advantages and disadvantages as well. So it is best to do some research regarding this matter so you would only get the best kind of projector.
2. Decide on the magnitude and weight of the projector
There are three available categories of projectors. These are the conference room projectors, ultralights, and the fixed installation projectors.
Each category has its own purpose. So it is better to know the main purpose of using the projector so that you will be able to decide on what weight and size should be bought.
3. The price
As mentioned, not all projectors are created equal, that is why, they may be priced according to the level of their functionality and the way they were manufactured.
Generally, projectors re priced between $1,300 and $9,000. Though, 75% of the available projectors in the market today greatly fall under the $3,500 to $20,000 price range.
The main factors that influence the way projectors are priced are brightness and resolution. Hence, the higher the resolution and the brighter the projector can display images, the higher the price.
4. Consider your needs
When buying projectors, it really pays when the buyer knows what he needs before going to the store. This will make the buying process a lot easier and faster, avoiding the perils of motivations made by persistent salespeople.
The bottom line is that the quality of images that people should expect is reflected upon how they buy items like this. Hence, it is important to always have the initiative to research on the things that bring about the main concept of projectors.
Robert Thatcher is a freelance publisher based in Cupertino, California. He publishes articles and reports in various ezines and provides projector resources on http://www.yourprojector.info.
Article Source: http://EzineArticles.com/?expert=Robert_Thatcher
One of the primary reasons why technology is deemed as life’s enhancers is because it can unleash the limits set upon the rigidity of previous inventions.
This goes to show that with the new trend of technology, people can expect a better life because it provides a hundred and one ways of making the impossible doable.
Take for example the case of projectors. Before, projectors are known to be used in movie theaters and during business presentations or seminars.
But with the continuous technological advancement and development, projectors are now known to be used even at home. This is especially true to those who want to create a home-based theater of their own.
Technically speaking, projectors work in a way that the visual aspects that are limited on the tube of a television are directly converted into a bigger screen. This is where the graphics and images are unleashed on a bigger view and where space is no longer constrained in a tube.
However, not all projectors are created equal. Therefore, projectors may vary from one model to another. So the only way to get the best item is to know how to effectively buy a good one.
Here is a list of some tips that consumers may use when buying projectors.
1. Know the available type
Basically, there are only tow types of video projectors: the LCP, or the liquid crystal projection, and the tubed. Both of them can function well as far as projection is concerned.
Also, these two kinds of projectors are unique on each sense of functionality that may influence the presentation and setting up of the item.
Each has its own advantages and disadvantages as well. So it is best to do some research regarding this matter so you would only get the best kind of projector.
2. Decide on the magnitude and weight of the projector
There are three available categories of projectors. These are the conference room projectors, ultralights, and the fixed installation projectors.
Each category has its own purpose. So it is better to know the main purpose of using the projector so that you will be able to decide on what weight and size should be bought.
3. The price
As mentioned, not all projectors are created equal, that is why, they may be priced according to the level of their functionality and the way they were manufactured.
Generally, projectors re priced between $1,300 and $9,000. Though, 75% of the available projectors in the market today greatly fall under the $3,500 to $20,000 price range.
The main factors that influence the way projectors are priced are brightness and resolution. Hence, the higher the resolution and the brighter the projector can display images, the higher the price.
4. Consider your needs
When buying projectors, it really pays when the buyer knows what he needs before going to the store. This will make the buying process a lot easier and faster, avoiding the perils of motivations made by persistent salespeople.
The bottom line is that the quality of images that people should expect is reflected upon how they buy items like this. Hence, it is important to always have the initiative to research on the things that bring about the main concept of projectors.
Robert Thatcher is a freelance publisher based in Cupertino, California. He publishes articles and reports in various ezines and provides projector resources on http://www.yourprojector.info.
Article Source: http://EzineArticles.com/?expert=Robert_Thatcher
LCD vs DLP projectors
If you've been thinking about buying a home theater projector, perhaps to connect to an HDTV tuner, and have read reviews or done a little bit of research, you'll be aware that there are two technologies competing for the contents of your wallet.
Both LCD and DLP are used in projectors suitable for home theaters, but they work in quite different ways and produce slightly different results. If you ask around ' particularly in electronics stores, you're likely to be provided with a mass of information that's confusing and often just plain wrong. So here, in an effort to clear the fog surrounding projectors, is our guide to LCD v DLP.
LCD
LCD projectors have three separate LCD panels, one for red, one for green, and one for blue components of the image being processed by the projector. As light passess through the LCD panels, individual pixels (or picture elements) can be either opened or closed to either allow light to pass through or be filtered out. In this way the light is modulated and an image projected on to the screen.
LCD projectors have historically had three main advantages over DLP. They produce more accurate colors (due to the three separate LCD panels), they produce a slightly sharper image (although this is as good as undetectable when watching movies) and they are more light-efficient, which means they produce brighter images using less power.
However, LCD projectors also have some disadvantages, although as the technology improves these are becoming less and less relevant. The first of these is pixelation, or what's known as the screen door effect. This means that sometimes you can see the individual pixels and it looks as though you are viewing the image through a 'screendoor.' The second historic disadvantage of LCD v DLP is that LCD doesn't produce absolute black, which means that contrast is less than you would get with DLP.
However, the advent of higher resoltion LCD projectors (particularly 'HD-ready' projectors which have a horizontal resolution of 768 pixels or greater) means that pixelation is less of a problem than it used to be. And the improved ability of LCDs to produce high-contrast images is also allowing them to be taken more seriously by home theater enthusiasts.
DLP
Digital Light Processing (DLP) is a technology developed by Texas Instruments and it works by projecting light from the projector's lamp onto a DLP chip, made up of thousands of tiny mirrors. Each mirror represents a single pixel and directs the light projected onto it either into the lens path to turn the pixel on or away from it to turn it off. Most DLP projectors have only one chip, so in order to reproduce color, a color wheel consisting of red, green, blue and sometimes, white filters is used. The wheel spins between the lamp and the chip and changes the color of the light hitting the chip from red, to green, blue. Each mirror on the DLP chip tilts towards or away from the lens path depending on how much of a particular colour light is required for that pixel at any given instant.
The key advantages DLP has in the LCD v DLP debate is that DLP projectors tend to be smaller and lighter, have better contrast, and don't suffer the same pixelation problems as LCD projectors. There is one problem that some users report with DLP projectors, although it appears to only affect a very small number of people. Because of the way DLP works, at any given instant, the image on screen is either red, green, or blue. However, the images change so quickly, that the human eye doesn't detect this and your brain puts the red, green and blue images together to make a complete frame of video. Unfortunately, some people can see the individual colours, and others can detect them enough to cause eye-strain and headaches. However, technology has improved significantly with the introduction of six-color wheels and faster rotation speeds. The rainbow effect should be a problem for even fewer people. The best way to find out if you're affected is to try out a DLP projector, perhaps by hiring one, before you buy.
Technology in both LCD and DLP projectors is improving all the time. However, at the time of writing DLP still has a slight edge in the home theater market.
Kenny Hemphill is the editor and publisher of http://www.the-hdtv-tuner.com">The HDTV Tuner, a site which aims to cut through the confusion surrounding HDTV and provide surfers with up to date, accurate and easy to read information on HDTV.
Article Source: http://EzineArticles.com/?expert=Kenny_Hemphill
Both LCD and DLP are used in projectors suitable for home theaters, but they work in quite different ways and produce slightly different results. If you ask around ' particularly in electronics stores, you're likely to be provided with a mass of information that's confusing and often just plain wrong. So here, in an effort to clear the fog surrounding projectors, is our guide to LCD v DLP.
LCD
LCD projectors have three separate LCD panels, one for red, one for green, and one for blue components of the image being processed by the projector. As light passess through the LCD panels, individual pixels (or picture elements) can be either opened or closed to either allow light to pass through or be filtered out. In this way the light is modulated and an image projected on to the screen.
LCD projectors have historically had three main advantages over DLP. They produce more accurate colors (due to the three separate LCD panels), they produce a slightly sharper image (although this is as good as undetectable when watching movies) and they are more light-efficient, which means they produce brighter images using less power.
However, LCD projectors also have some disadvantages, although as the technology improves these are becoming less and less relevant. The first of these is pixelation, or what's known as the screen door effect. This means that sometimes you can see the individual pixels and it looks as though you are viewing the image through a 'screendoor.' The second historic disadvantage of LCD v DLP is that LCD doesn't produce absolute black, which means that contrast is less than you would get with DLP.
However, the advent of higher resoltion LCD projectors (particularly 'HD-ready' projectors which have a horizontal resolution of 768 pixels or greater) means that pixelation is less of a problem than it used to be. And the improved ability of LCDs to produce high-contrast images is also allowing them to be taken more seriously by home theater enthusiasts.
DLP
Digital Light Processing (DLP) is a technology developed by Texas Instruments and it works by projecting light from the projector's lamp onto a DLP chip, made up of thousands of tiny mirrors. Each mirror represents a single pixel and directs the light projected onto it either into the lens path to turn the pixel on or away from it to turn it off. Most DLP projectors have only one chip, so in order to reproduce color, a color wheel consisting of red, green, blue and sometimes, white filters is used. The wheel spins between the lamp and the chip and changes the color of the light hitting the chip from red, to green, blue. Each mirror on the DLP chip tilts towards or away from the lens path depending on how much of a particular colour light is required for that pixel at any given instant.
The key advantages DLP has in the LCD v DLP debate is that DLP projectors tend to be smaller and lighter, have better contrast, and don't suffer the same pixelation problems as LCD projectors. There is one problem that some users report with DLP projectors, although it appears to only affect a very small number of people. Because of the way DLP works, at any given instant, the image on screen is either red, green, or blue. However, the images change so quickly, that the human eye doesn't detect this and your brain puts the red, green and blue images together to make a complete frame of video. Unfortunately, some people can see the individual colours, and others can detect them enough to cause eye-strain and headaches. However, technology has improved significantly with the introduction of six-color wheels and faster rotation speeds. The rainbow effect should be a problem for even fewer people. The best way to find out if you're affected is to try out a DLP projector, perhaps by hiring one, before you buy.
Technology in both LCD and DLP projectors is improving all the time. However, at the time of writing DLP still has a slight edge in the home theater market.
Kenny Hemphill is the editor and publisher of http://www.the-hdtv-tuner.com">The HDTV Tuner, a site which aims to cut through the confusion surrounding HDTV and provide surfers with up to date, accurate and easy to read information on HDTV.
Article Source: http://EzineArticles.com/?expert=Kenny_Hemphill
An Introduction To LCD Projectors
A projector is an apparatus for presenting an enlarged image on a screen from a transparency such as a photographic slide or a film. In a motion picture projector, each frame is held stationary at an illuminated aperture for a brief period, and then advanced by an intermittent sprocket or reciprocating claw, the light being cut off by a rotating shutter during the movement. The sound track on the film is reproduced at a separate sound head where the film is moved continuously at a constant speed.
LCD projectors come with the capacity to deliver high-definition pictures with high pixel density. Most of the LCD projectors are compact and lightweight; most of the advanced LCD projectors even use two-inch poly silicon panels. These panels (an advanced LCD projector might have TFT panels) help to produce high-quality images with a high-definition quality of about 1,000 scanning lines.
Most of the ordinary and average LCD screens have a screen ratio of 4:3. However, in some cases, an LCD might also have a screen ratio of 16:9. Images are projected on to a super-large screen. Some of the salient features of a compact, lightweight LCD projector are:
1. The utilization of three high-definition two-inch poly silicon TFT LCD
panels are key elements in the production of the three RGB basic colors.
2. Images of high ratio contrast are produced. Usually the image contrast is 400:1.
3. A good LCD projector adds to the normal brightness by about 40% over most other conventional and ordinary LCD video projectors. These LCD projectors use a high-transparency LCD panel for the above purpose.
For example, one of the recent high-quality LCD projectors is the Fujitsu LPF-D711 high-definition LCD projector for home theater.
Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.
Article Source: http://EzineArticles.com/?expert=Elizabeth_Morgan
LCD projectors come with the capacity to deliver high-definition pictures with high pixel density. Most of the LCD projectors are compact and lightweight; most of the advanced LCD projectors even use two-inch poly silicon panels. These panels (an advanced LCD projector might have TFT panels) help to produce high-quality images with a high-definition quality of about 1,000 scanning lines.
Most of the ordinary and average LCD screens have a screen ratio of 4:3. However, in some cases, an LCD might also have a screen ratio of 16:9. Images are projected on to a super-large screen. Some of the salient features of a compact, lightweight LCD projector are:
1. The utilization of three high-definition two-inch poly silicon TFT LCD
panels are key elements in the production of the three RGB basic colors.
2. Images of high ratio contrast are produced. Usually the image contrast is 400:1.
3. A good LCD projector adds to the normal brightness by about 40% over most other conventional and ordinary LCD video projectors. These LCD projectors use a high-transparency LCD panel for the above purpose.
For example, one of the recent high-quality LCD projectors is the Fujitsu LPF-D711 high-definition LCD projector for home theater.
Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.
Article Source: http://EzineArticles.com/?expert=Elizabeth_Morgan
LCD Projector Reviews
Product reviews are more popular now as manufacturers seek new ways to entice customers to spend their hard-earned money on their products. Many companies use consumer product reviews as advertisements, and little wonder why they do. Manufacturers do not have to pay extra to advertising companies for expensive ad campaigns. However, the credibility of product reviews has been criticized. A review that simply reads "I really loved your product! Keep it up!" and leaves it at that is not what you should expect from a product review. With regard to buying something as expensive as an LCD projector, being informed about your prospective purchase is very important. Here is an article on how to look for an LCD projector based on product reviews.
Technical information
An informative product review should deal with information that is directly linked to the product being reviewed and it should be specific regarding its details and specifications. A typical informative product review on LCD projectors should contain the following information: resolution, brightness, price, and potential usage (sometimes called the "for-whom" section).
Resolution is how clear and tight the graphics being displayed are and they are usually determined by the number of dots per inch (dpi). A higher resolution means tighter graphics and less pixellation (the grainy quality in some images).
Brightness is exactly that--how bright the image being projected is. This determines from how far away the image can be seen. The brighter the image, the farther away it can be seen.
Reviews that include information on potential usage are particularly helpful. This section allows you to find out specifically if the product you want is applicable to your needs. Simply parallel yourself or your company with any one of the list of potential users, and you will be able to tell at a glance if the product is what you are looking for or not.
The reputation of the reviewer
Anybody can write a product review that is why you should be careful when taking advice from product reviews. If the review you are reading comes from a reputable Web site or magazine, then you should be in good hands. Be sure to do some research on the party doing the review before you take advice from them, or you may end up with a very expensive paperweight.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
Technical information
An informative product review should deal with information that is directly linked to the product being reviewed and it should be specific regarding its details and specifications. A typical informative product review on LCD projectors should contain the following information: resolution, brightness, price, and potential usage (sometimes called the "for-whom" section).
Resolution is how clear and tight the graphics being displayed are and they are usually determined by the number of dots per inch (dpi). A higher resolution means tighter graphics and less pixellation (the grainy quality in some images).
Brightness is exactly that--how bright the image being projected is. This determines from how far away the image can be seen. The brighter the image, the farther away it can be seen.
Reviews that include information on potential usage are particularly helpful. This section allows you to find out specifically if the product you want is applicable to your needs. Simply parallel yourself or your company with any one of the list of potential users, and you will be able to tell at a glance if the product is what you are looking for or not.
The reputation of the reviewer
Anybody can write a product review that is why you should be careful when taking advice from product reviews. If the review you are reading comes from a reputable Web site or magazine, then you should be in good hands. Be sure to do some research on the party doing the review before you take advice from them, or you may end up with a very expensive paperweight.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
LCD Projector Lamps
One of the few LCD projector parts that can be replaced is the projector lamp. LCD projector lamps vary by model, so selection usually depends on the manufacturing company and types such as Incandescent, Compact Fluorescent, Halogen, and HID such as Metal halide and Low/High Pressure Sodium, 3M Projector, Full Spectrum, and Ballasts, to name a few.
The total lamp life is the expected operating time of the projector lamp, which is expressed in terms of hours. Most LCD projectors use a metal halide source with a lamp life of 750 to 4,000 hours or more. Lamp life is not a very useful measurement, since they gradually grow dimmer without burning out and will continue to function even if they are too dim to be considered usable. So the term “peak lamp life” - the time the lamp will last at eighty to ninety percent of total brightness – is commonly used by manufacturers.
In contrast to metal halide lamps that burn with a very white light, halogen lamps burn with a yellowish light, at a steady rate, and have a consistent brightness throughout lamp life; but they only last approximately seventy hours per bulb. Therefore, they are also less expensive.
LCD projector lamps last the longest when the LCD projector is operated in "economy mode," frequently powered down for cool-down periods, and operated in a clean, fairly dust-free environment. Projectors that are subjected to constant use have the highest probability of lamp failure before the end of the rated hours.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
The total lamp life is the expected operating time of the projector lamp, which is expressed in terms of hours. Most LCD projectors use a metal halide source with a lamp life of 750 to 4,000 hours or more. Lamp life is not a very useful measurement, since they gradually grow dimmer without burning out and will continue to function even if they are too dim to be considered usable. So the term “peak lamp life” - the time the lamp will last at eighty to ninety percent of total brightness – is commonly used by manufacturers.
In contrast to metal halide lamps that burn with a very white light, halogen lamps burn with a yellowish light, at a steady rate, and have a consistent brightness throughout lamp life; but they only last approximately seventy hours per bulb. Therefore, they are also less expensive.
LCD projector lamps last the longest when the LCD projector is operated in "economy mode," frequently powered down for cool-down periods, and operated in a clean, fairly dust-free environment. Projectors that are subjected to constant use have the highest probability of lamp failure before the end of the rated hours.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
LCD Projectors
A LCD (Liquid Crystal Display) Projector is the modern version of the slide projector and overhead projector. Unlike CRT (Cathode Ray Tube) projectors, the LCD projector does not function according to the traditional projection-tube system.
The LCD Projector usually contains three separate LCD glass panels - one each for the red, green, and blue components of the video signal. The LCD chip is transparent, and when a powerful light source is passed through it, each individual pixel transforms the light and projects the image or data through a lens onto the screen.
The LCD Projector technological revolution started around the mid-1990s, when manufacturers began to use microdisplays and merge illumination and imaging in one device. Following this development, Compaq introduced one of the first ultra-lightweight data projectors in 2000 - the MP1400 – using the DLP (Digital Light Processing) technology from Texas Instruments. Most LCD Projectors today support VGA output at resolutions ranging up to 800x600 and 1024x768. They are also usually capable of projecting standard video from a VCRs, DVDs, and cable boxes; and many of them are specialized for use at home, known as Front-Projection TVs.
The main advantage of the LCD projector is that since the LCD chip is miniature in size, the whole unit is quite compact, which is very practical, especially for mobile professionals. Most LCD projectors are also typically capable of producing 2,000 to 2,500 ANSI lumens brightness with 1024 x 768 VGA resolution, resulting in better image quality. Power consumption is also relatively low. And, in comparison to CRT Projectors (which are still manufactured), LCD versions are quite inexpensive. For example, the Sony VPL-CX1 Superlite LCD Video Projector only costs around $2,000, but is still capable of producing super image quality.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
The LCD Projector usually contains three separate LCD glass panels - one each for the red, green, and blue components of the video signal. The LCD chip is transparent, and when a powerful light source is passed through it, each individual pixel transforms the light and projects the image or data through a lens onto the screen.
The LCD Projector technological revolution started around the mid-1990s, when manufacturers began to use microdisplays and merge illumination and imaging in one device. Following this development, Compaq introduced one of the first ultra-lightweight data projectors in 2000 - the MP1400 – using the DLP (Digital Light Processing) technology from Texas Instruments. Most LCD Projectors today support VGA output at resolutions ranging up to 800x600 and 1024x768. They are also usually capable of projecting standard video from a VCRs, DVDs, and cable boxes; and many of them are specialized for use at home, known as Front-Projection TVs.
The main advantage of the LCD projector is that since the LCD chip is miniature in size, the whole unit is quite compact, which is very practical, especially for mobile professionals. Most LCD projectors are also typically capable of producing 2,000 to 2,500 ANSI lumens brightness with 1024 x 768 VGA resolution, resulting in better image quality. Power consumption is also relatively low. And, in comparison to CRT Projectors (which are still manufactured), LCD versions are quite inexpensive. For example, the Sony VPL-CX1 Superlite LCD Video Projector only costs around $2,000, but is still capable of producing super image quality.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
Digital LCD Projectors
Digital projectors are the modern replacements for the rather traditional transparency projectors. Transparency projectors worked by shining light through a semi-transparent material. Digital projectors, by contrast, project a digital image directly from a computer through a lens on to a screen.
LCD (Liquid Crystal Display) digital projectors are much lighter and more portable than their CRT (Cathode Ray Tube) versions, making them widely popular. With the advent of new LCD technologies, digital projectors have been developed which have very clear and crisp fidelity even at large projection sizes. The LCDs used in digital projectors are approximately the size of a small color slide, and in fact the projectors operate very much like a traditional slide projector. The main difference is that the slide is constantly changing.
A Digital LCD projector has its light source contained within its base. It projects light upwards through the transparent image (which sits on a glass "stage") to a lens on the top ("head") of the unit and out onto the projection screen. In other words, the light shines through the image to project it. These projectors work well with printed film transparencies or an LCD panel computer display and provide bright, sharp images.
Slightly higher end Digital LCD Projectors can be used for Cinema/exhibition, Post-production, On-screen advertising, Digital film mastering, Multi-media theatrical productions or other large entertainment venues. Most of the recent Digital LCD projectors can be installed with existing film projectors and also provide an interface for theatre automation equipment.
The future of digital projectors is exciting, with new technologies constantly being developed. As more and more theatres switch to digital projection, consumers cannot help but reap the benefits. As these technologies become more affordable they will inevitably find their way into home systems and allow each of us to experience the joy of a full theatre projection in our own home.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
LCD (Liquid Crystal Display) digital projectors are much lighter and more portable than their CRT (Cathode Ray Tube) versions, making them widely popular. With the advent of new LCD technologies, digital projectors have been developed which have very clear and crisp fidelity even at large projection sizes. The LCDs used in digital projectors are approximately the size of a small color slide, and in fact the projectors operate very much like a traditional slide projector. The main difference is that the slide is constantly changing.
A Digital LCD projector has its light source contained within its base. It projects light upwards through the transparent image (which sits on a glass "stage") to a lens on the top ("head") of the unit and out onto the projection screen. In other words, the light shines through the image to project it. These projectors work well with printed film transparencies or an LCD panel computer display and provide bright, sharp images.
Slightly higher end Digital LCD Projectors can be used for Cinema/exhibition, Post-production, On-screen advertising, Digital film mastering, Multi-media theatrical productions or other large entertainment venues. Most of the recent Digital LCD projectors can be installed with existing film projectors and also provide an interface for theatre automation equipment.
The future of digital projectors is exciting, with new technologies constantly being developed. As more and more theatres switch to digital projection, consumers cannot help but reap the benefits. As these technologies become more affordable they will inevitably find their way into home systems and allow each of us to experience the joy of a full theatre projection in our own home.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
Compare LCD Projectors
LCD (Liquid Crystal Display) projectors are devices used for displaying presentations or videos in an enlarged size. They are the modern replacements for slide projectors and overhead projects which were popular earlier.
LCD projectors are available in several variants with differing specifications. Choosing the right projector is as simple as knowing what it will be used for. The two parameters needed to compare an LCD projector are - cost and specifications. Knowing what is needed and how much you will need to use the various features / specifications of an LCD projector are going to be will help one compare the projectors with a better perspective. For this reason, it is important to know the basics of projectors before comparing them.
Aspect Ratio: It refers to the width vs. the height of the projected image. UXGA, VGA, XGA, and SVGA resolution all have a 4:3 aspect ratio.
Brightness: A projector's brightness is measured in lumens. The more light in the room where the projector will be used, the more bright the projector should be.
Contrast Ratio: Is the ratio between the darkest and brightest areas of the projected image. Medium Contrast ratio projectors can be found with a ratio of 500:1 to 1200:1.
Data Signal Ports: These ports on the projector should be compatible with whatever image source they will be paired with.
Keystone Correction: This is the ability to correct the image distortion that is created when a projector is placed at anything other than a 90 degree angle to the screen.
Native resolution: This resolution for a digital projector is the actual number of physical pixels on the projector's image chip.
Projection screens: These screens come in various fabrics and sizes. While it's possible to project the images on a blank wall, the best image quality will be achieved by projecting the images on a good screen.
Video Format Capability: A digital projector's video format capability determines which video format data it can accept. Most projectors will offer all three: PAL, NTSC, and SECAM.
A wide range of desired projectors can be found by giving exact specifications on various website over the internet. Once these basic features of projectors are compared and the best suited LCD projector identified, one can go ahead and compare the prices of the required projector.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
LCD projectors are available in several variants with differing specifications. Choosing the right projector is as simple as knowing what it will be used for. The two parameters needed to compare an LCD projector are - cost and specifications. Knowing what is needed and how much you will need to use the various features / specifications of an LCD projector are going to be will help one compare the projectors with a better perspective. For this reason, it is important to know the basics of projectors before comparing them.
Aspect Ratio: It refers to the width vs. the height of the projected image. UXGA, VGA, XGA, and SVGA resolution all have a 4:3 aspect ratio.
Brightness: A projector's brightness is measured in lumens. The more light in the room where the projector will be used, the more bright the projector should be.
Contrast Ratio: Is the ratio between the darkest and brightest areas of the projected image. Medium Contrast ratio projectors can be found with a ratio of 500:1 to 1200:1.
Data Signal Ports: These ports on the projector should be compatible with whatever image source they will be paired with.
Keystone Correction: This is the ability to correct the image distortion that is created when a projector is placed at anything other than a 90 degree angle to the screen.
Native resolution: This resolution for a digital projector is the actual number of physical pixels on the projector's image chip.
Projection screens: These screens come in various fabrics and sizes. While it's possible to project the images on a blank wall, the best image quality will be achieved by projecting the images on a good screen.
Video Format Capability: A digital projector's video format capability determines which video format data it can accept. Most projectors will offer all three: PAL, NTSC, and SECAM.
A wide range of desired projectors can be found by giving exact specifications on various website over the internet. Once these basic features of projectors are compared and the best suited LCD projector identified, one can go ahead and compare the prices of the required projector.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
Auditorium LCD Projectors
Auditorium LCD Projectors are generally up to 40kg in weight, with 3,000 lumens (a measure of brightness) and above, have SVGA (brightness range from 1700 - 2000 lumens) or XGA (brightness range from 2000 - 3000 lumens, are more expensive than SVGA) native resolution. Auditorium projectors are mostly LCD projectors and usually come with a ceiling or rear mount facility. They usually have motorized zoom lens, are generally operated via remote control and offer multiple input and output ports for both PC and video. Auditorium LCD Projectors generally require external speakers and are targeted at spacious venues like theaters, auditoriums and convention halls.
In other words, auditorium LCD projectors are heavy duty, and super bright, allowing them to provide the added illumination for very large applications. These projectors deliver high brightness that can be used in a wide range of places. They generally come with a lens shift function and a wide range of optional, interchangeable lenses also contributes to installation ease. These LCD Projectors have a variety of functions for high picture quality and network compatibility is also included. Providing realistic colors, sharp contrast, and super bright images, they enable presentations with persuasive impact in a variety of situations.
Some factors which help in choosing a better Auditorium LCD Projector are: Lumens, Resolution, Lens Power, Keystone Correction, Scanning Frequency, Contrast, Lens Throw Ratio, Aspect Ratio, Image Offset Range, Computer Compatibility, Video Compatibility, Image and Mouse control, Projection Modes, Color Reproduction and Lamp Life.
These projectors generally have a specially designed auto focus lens, which allows for quick and easy switching between multiple screens with minimal user adjustments. Their automatic color correction feature provides true color reproduction even when projecting onto colored or textured walls for a perfect presentation anywhere. Some of them have a "3-D Reform technology", which lets one set up the projector virtually anywhere in the room and still get an aligned image.
While choosing the right LCD projector for an auditorium, the dimensions of the auditorium, the ambient light conditions and the distance where the projector will be placed from the screen should considered and projectors whose specifications exceed the requirements should be considered.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
In other words, auditorium LCD projectors are heavy duty, and super bright, allowing them to provide the added illumination for very large applications. These projectors deliver high brightness that can be used in a wide range of places. They generally come with a lens shift function and a wide range of optional, interchangeable lenses also contributes to installation ease. These LCD Projectors have a variety of functions for high picture quality and network compatibility is also included. Providing realistic colors, sharp contrast, and super bright images, they enable presentations with persuasive impact in a variety of situations.
Some factors which help in choosing a better Auditorium LCD Projector are: Lumens, Resolution, Lens Power, Keystone Correction, Scanning Frequency, Contrast, Lens Throw Ratio, Aspect Ratio, Image Offset Range, Computer Compatibility, Video Compatibility, Image and Mouse control, Projection Modes, Color Reproduction and Lamp Life.
These projectors generally have a specially designed auto focus lens, which allows for quick and easy switching between multiple screens with minimal user adjustments. Their automatic color correction feature provides true color reproduction even when projecting onto colored or textured walls for a perfect presentation anywhere. Some of them have a "3-D Reform technology", which lets one set up the projector virtually anywhere in the room and still get an aligned image.
While choosing the right LCD projector for an auditorium, the dimensions of the auditorium, the ambient light conditions and the distance where the projector will be placed from the screen should considered and projectors whose specifications exceed the requirements should be considered.
LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
HDTV Projectors
HDTV, also known as High Definition Television, is the future of the DTV transition. This transmits pictures with high resolution, which is twice higher than the analog TV or DVDs. HDTV projector is a specialized device for displaying the HDTV.
Today, HDTV projectors are used in various areas. This includes entertainment, business presentations, seminars, and also for public display. HDTV projector can be an addition to your home theater system as the HDTV projector is equipped to receive the HDTV.
Basically, HDTV projectors come in three different forms; DLP (stands for digital light processing) HDTV projector, LCD (liquid crystal display) HDTV projector, and LCOS (liquid crystal on silicon) HDTV projector. Among the three types, the LCOS is the latest trend in HDTV display. The cost of a HDTV projector will fluctuate based on the type. On an average, a DLP HDTV projector will cost $2,000 and more. While an LCD HDTV projector will cost less than $2,000 and an LCOS HDTV projector will approximately cost $5,000 and more.
To meet the varying needs, HDTV projectors come in a wide variety of sizes, weights, and technical features. HDTV projectors can be availed with a contrast ratio ranging from 1500:1 to 8000:1. Commonly, HDTV comes in two formats; 1080i and 720p (where "i" stands for interlaced, and "p" stands for progressive.) But, the advanced HDTV projectors come with 1920x1080 internal resolutions. Thus, this type of projectors can display 1080i with maximum clarity and it will cost $20,000 and more. Mostly, the HDTV projectors are compact in size and are very easy to operate.
Different brands of HDTV projectors are available in the market today. Some of the top brands are Sony, Mitsubishi, Dukane, Sharp, and Panasonic. Mostly, all the types and brands of the HDTV projectors are complemented with different warranty periods, A/V cables, remote control, and more. Depending on the availability, the HDTV projectors can be availed from dealers, local outlets, or online stores.
While purchasing a HDTV projector, it is always recommended to check the projector?s compatibility with other systems in the house like VCRs, DVD players, surrounding sound components and standard TV systems. If this is done, the HDTV projector will display pictures with high resolution, thus giving you a cinematic ambience and feel.
HDTV provides detailed information on HDTV, Plasma HDTV, HDTV Antennas, HDTV Reviews and more. HDTV is affiliated with Home Theater Projectors.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
Today, HDTV projectors are used in various areas. This includes entertainment, business presentations, seminars, and also for public display. HDTV projector can be an addition to your home theater system as the HDTV projector is equipped to receive the HDTV.
Basically, HDTV projectors come in three different forms; DLP (stands for digital light processing) HDTV projector, LCD (liquid crystal display) HDTV projector, and LCOS (liquid crystal on silicon) HDTV projector. Among the three types, the LCOS is the latest trend in HDTV display. The cost of a HDTV projector will fluctuate based on the type. On an average, a DLP HDTV projector will cost $2,000 and more. While an LCD HDTV projector will cost less than $2,000 and an LCOS HDTV projector will approximately cost $5,000 and more.
To meet the varying needs, HDTV projectors come in a wide variety of sizes, weights, and technical features. HDTV projectors can be availed with a contrast ratio ranging from 1500:1 to 8000:1. Commonly, HDTV comes in two formats; 1080i and 720p (where "i" stands for interlaced, and "p" stands for progressive.) But, the advanced HDTV projectors come with 1920x1080 internal resolutions. Thus, this type of projectors can display 1080i with maximum clarity and it will cost $20,000 and more. Mostly, the HDTV projectors are compact in size and are very easy to operate.
Different brands of HDTV projectors are available in the market today. Some of the top brands are Sony, Mitsubishi, Dukane, Sharp, and Panasonic. Mostly, all the types and brands of the HDTV projectors are complemented with different warranty periods, A/V cables, remote control, and more. Depending on the availability, the HDTV projectors can be availed from dealers, local outlets, or online stores.
While purchasing a HDTV projector, it is always recommended to check the projector?s compatibility with other systems in the house like VCRs, DVD players, surrounding sound components and standard TV systems. If this is done, the HDTV projector will display pictures with high resolution, thus giving you a cinematic ambience and feel.
HDTV provides detailed information on HDTV, Plasma HDTV, HDTV Antennas, HDTV Reviews and more. HDTV is affiliated with Home Theater Projectors.
Article Source: http://EzineArticles.com/?expert=Ken_Marlborough
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