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Digital Projector Manual- Some Suggestions for Digital Projectors


Digital projectors are equipments of contemporary technology. These are used to convert image data from your computer onto a screen via lens system. Digital projectors provide visualization of data that may be actually kept in your personal computer for presentation. These projectors enable the viewers to view moving images coming from a DVD, digital versatile disc player. Advertisers or sellers also use these projectors to present demonstration of products to a lot of customers. It can easily convert written documents onto an interactive whiteboard.





Digital projectors play a crucial 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 determined by its resolution along with its brightness. If you're planning to make use of it in large rooms or big conference halls its brightness must be from 1,000 to 4,000 ANSI lumens.

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 in a specific manner. Eidophor projectors were unable to produce colors. Nowadays there are various premium quality kinds of digital projectors can be bought in market so Eidopher projectors are less frequent.

Following four technologies are utilized in digital projectors:

High intensity CRT

LCD projectors using LCD light gates

Texas Instruments' DLP technology

Eidophor oil-film projectors (obsolete)

At the moment LCD projectors use Texas Instruments' DLP technology whereas the high intensity CRT devices are suitable for enduring installations. Entire working of cathode ray tube digital projectors is similar to CRT television set. These projectors can be configured with one RGB color tube that has three colors blue, green and red having 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 tend to be 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 easily be shifted from a spot to another. These are typically quite definitely popular and available in different styles and sizes. CRT and LCD digital projectors come underneath the group of transitive projectors.

Reflective projectors would be the superior digital projectors that offer top quality images. These are affordable and provide next level of entertainment. Everyone is able to enjoy home theatre applications through the help of digital projectors.


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