Digital projectors are equipments of recent technology. These are utilized to convert image data directly from your computer onto a screen via lens system. Digital projectors provide visualization of information that may be actually stored in a personal computer for presentation. These projectors encourage the viewers to watch moving images from the DVD, digital versatile disc player. Advertisers or sellers also use these projectors to give demonstration of products to a large number of customers. It may easily convert written documents onto an interactive whiteboard.

Digital projectors play a huge role within the formation of home cinema systems. These projectors use resolution of SVGA standard i.e. 800? 600 pixels in expensive devices. Price of digital projector depends on its resolution along with its brightness. If you’re going to make use of it in large rooms or big conference halls its brightness should be from one thousand to 4,000 ANSI lumens.

First digital projectors, Eidophor projectors were introduced in 1950. Eidopher projectors used an oily surface within a rotating disk with light shining through it and employed an electron beam to disrupt oil in the specific manner. Eidophor projectors were unable to produce colors. Nowadays there are many high quality kinds of digital projectors can be purchased in market so Eidopher projectors are more uncommon.

Following four technologies are being used 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 our prime intensity CRT devices are suitable for enduring installations. Entire working of cathode ray tube digital projectors is similar to CRT television set. These projectors might be configured with one RGB color tube which has three colors green, red and blue by 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 are often bulky thats why these are the basic best projectors for fixed installations.

LCD digital projectors are lighter and portable enough as compared to CRT and can easily be shifted from one destination to another. These are greatly available and popular in several shapes and sizes. CRT and LCD digital projectors come under the category of transitive projectors.

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

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