Digital projectors are equipments of recent technology. These are employed to convert image data directly from the pc onto a screen via lens system. Digital projectors provide visualization of web data that is actually stored in a personal computer for presentation. These projectors enable the viewers to look at moving images from your DVD, digital versatile disc player. Advertisers or sellers also use these projectors to offer illustration showing products to numerous customers. It could easily convert written documents onto an interactive whiteboard.

Digital projectors play a crucial role from the formation of home theatre systems. These projectors use resolution of SVGA standard i.e. 800? 600 pixels in expensive devices. Price of digital projector is dependent upon its resolution along with its brightness. 000 to 4,000 ANSI lumens, if you’re gonna utilize 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 within a specific manner. Eidophor projectors were unable to produce colors. Nowadays there are various premium quality designs of digital projectors can be found in market so Eidopher projectors are less common.

Following four technologies are utilized in digital projectors:

Intense CRT

LCD projectors using LCD light gates

Texas Instruments’ DLP technology

Eidophor oil-film projectors (obsolete)

Currently 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 similar to CRT television set. These projectors may be configured with one RGB color tube which includes three colors red, green and blue using a single lens, one black & white tube by using a rotating color wheel or three RGB color tubes with three lenses. Projectors having cathode ray tubes tend to be bulky thats why these are the best projectors for fixed installations.

LCD digital projectors are portable and lighter enough as compared to CRT and can be shifted from a location to another. These are generally very much available and popular in several sizes and shapes. CRT and LCD digital projectors come within the type of transitive projectors.

Reflective projectors will be the superior digital projectors that offer high quality images. These are affordable and provide next stage of entertainment. Anyone can enjoy home theater applications with the aid of digital projectors.

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