A projector is a device that integrates a light source, optics system, electronics and display(s) for the purpose of projecting an image from a computer or video device onto a wall or screen for large image viewing. There are hundreds of products available in the market and they are differentiated by their resolution, performance and features. These devices can be attached to a computer or video device just as you would connect a traditional monitor.
The term “big screen” is used to indicate a TV size larger than 40 inches in diagonal measurement. Until recently these are usually rear-projection screens, although we are seeing more and more flat-panel displays at competitive prices.
The appeal of Rear-Projection TV (RPTV)
There certainly is a great deal of consumer appeal for RPTVs these days. And it’s easy to understand. Part of it is due to the simplicity of the product. After all, what could be easier than getting a bigger TV? If you want a larger image with no muss and fuss, it can be purchased from any local big-screen retailer and delivered within a day or two.
Another the appeal of RPTVs is the impression created by...
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