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Digital projectors are equipments of recent technology. These are employed to convert image data directly from your computer onto a screen via lens system. Digital projectors provide visualization of information that is actually saved in your personal computer for presentation. These projectors allow the viewers to watch moving images coming from a DVD, digital versatile disc player. Advertisers or sellers also employ these projectors to offer demonstration of products to numerous customers. It might easily convert written documents onto an interactive whiteboard.

Digital projectors play a huge role in the formation of home theater systems. These projectors use resolution of SVGA standard i.e. 800? 600 pixels in expensive devices. Value of digital projector is determined by its resolution along with its brightness. 000 to 4,000 ANSI lumens, if you’re planning to make use of it in large rooms or big conference halls its brightness must be from 1.

First digital projectors, Eidophor projectors were introduced in 1950. Eidopher projectors used an oily surface in a rotating disk with light shining through it and employed an electron beam to disrupt oil in the specific manner. Eidophor projectors were struggling to produce colors. Nowadays there are several top quality designs of digital projectors can be bought in market so Eidopher projectors are less common.

Following four technologies are being used in digital projectors:

High intensity CRT

LCD projectors using LCD light gates

Texas Instruments’ DLP technology

Eidophor oil-film projectors (obsolete)

Presently LCD projectors use Texas Instruments’ DLP technology whereas the top 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 might be configured with one RGB color tube containing three colors blue, green and red using a single lens, one black & white tube having 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 lighter and portable enough when compared with CRT and can easily be shifted from one destination to another. These are typically very much popular and available in various shapes and sizes. CRT and LCD digital projectors come under the group of transitive projectors.

Reflective projectors will be the superior digital projectors which provide premium quality images. These are generally affordable and offer next phase of entertainment. Everyone is able to enjoy home entertainment system applications with the aid of digital projectors.

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