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Digital projectors are equipments of recent technology. These are widely used to convert image data from your computer onto a screen via lens system. Digital projectors provide visualization of web data which is actually kept in a computer for presentation. These projectors let the viewers to view moving images from a DVD, digital versatile disc player. Advertisers or sellers also employ these projectors to offer demonstration of products to a lot of customers. It can easily convert written documents onto an interactive whiteboard.
Digital projectors play a vital role inside the formation of home theatre systems. These projectors use resolution of SVGA standard i.e. 800? 600 pixels in expensive devices. Cost of digital projector is dependent upon its resolution as well as its brightness. 000 to 4,000 ANSI lumens, if you’re gonna make use of it in large rooms or big conference halls its brightness should be from 1.
First digital projectors, Eidophor projectors were introduced in 1950. Eidopher projectors used an oily surface inside a rotating disk with light shining through it and employed an electron beam to disrupt oil inside a specific manner. Eidophor projectors were incapable of produce colors. Nowadays there are various premium quality designs of digital projectors can be found in market so Eidopher projectors are more uncommon.
Following four technologies are employed in digital projectors:
LCD projectors using LCD light gates
Texas Instruments’ DLP technology
Eidophor oil-film projectors (obsolete)
At present LCD projectors use Texas Instruments’ DLP technology whereas our prime intensity CRT devices are compatible with enduring installations. Entire working of cathode ray tube digital projectors is a lot like CRT television set. These projectors could be configured with one RGB color tube which includes three colors red, blue and green with a single lens, one black & white tube using a rotating color wheel or three RGB color tubes with three lenses. Projectors having cathode ray tubes are often bulky thats why these are the best projectors for fixed installations.
LCD digital projectors are portable and lighter enough in comparison to CRT and can be easily shifted from a single location to another. These are typically greatly available and popular in a variety of sizes and shapes. CRT and LCD digital projectors come underneath the type of transitive projectors.
Reflective projectors will be the superior digital projectors that offer premium quality images. They are affordable and give next level of entertainment. Everyone is able to enjoy home cinema applications with the aid of digital projectors.
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