Digital Projector Manual- Some Tips for Digital Projectors
Digital projectors are equipments of recent technology. These are used to convert image data from the computer onto a screen via lens system. Digital projectors provide visualization of data that is actually saved in a computer for presentation. These projectors allow the viewers to look at moving images from your DVD, digital versatile disc player. Advertisers or sellers also use these projectors to present illustration showing products to a large number of customers. It could easily convert written documents onto an interactive whiteboard.
Digital projectors play a vital role in the formation of home theater systems. These projectors use resolution of SVGA standard i.e. 800? 600 pixels in expensive devices. Cost of digital projector depends upon its resolution along with its brightness. 000 to 4,000 ANSI lumens, if you're going to apply 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 within a rotating disk with light shining through it and employed an electron beam to disrupt oil within a specific manner. Eidophor projectors were not able to produce colors. Nowadays there are various high quality models of digital projectors are available in market so Eidopher projectors are more uncommon.
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 compatible with enduring installations. Entire working of cathode ray tube digital projectors is like CRT television set. These projectors could be configured with one RGB color tube that has three colors green, red and blue using 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 usually bulky thats why they are the best projectors for fixed installations.
LCD digital projectors are portable and lighter enough when compared with CRT and can be simply shifted from a single spot to another. These are generally significantly popular and available in different styles and sizes. CRT and LCD digital projectors come beneath the type of transitive projectors.
Reflective projectors would be the superior digital projectors that offer premium quality images. These are typically affordable and provide next level of entertainment. Everyone is able to enjoy home cinema applications through the help of digital projectors.
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