Digital Projector Information- Many Ways for Digital Projectors
Digital projectors are equipments of modern technology. These are widely used to convert image data straight from your computer onto a screen via lens system. Digital projectors provide visualization of web data that is actually kept in your personal computer for presentation. These projectors let the viewers to observe moving images from your DVD, digital versatile disc player. Advertisers or sellers likewise use these projectors to present illustration showing products to a large number of customers. It can easily convert written documents onto an interactive whiteboard.
Digital projectors play a crucial role within the formation of home entertainment system systems. These projectors use resolution of SVGA standard i.e. 800? 600 pixels in expensive devices. Price of digital projector depends upon its resolution along with its brightness. 000 to 4,000 ANSI lumens, if you're planning to utilize it in large rooms or big conference halls its brightness needs to be from 1.
First, digital projectors, Eidophor projectors were introduced in 1950. Eidopher projectors used an oily surface in the rotating disk with light shining through it and employed an electron beam to disrupt oil inside a specific manner. Eidophor projectors were unable to produce colors. Nowadays there are numerous good quality designs of digital projectors are available in market so Eidopher projectors are more uncommon.
Following four technologies are employed 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 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 may be configured with one RGB color tube which includes three colors blue, green and red by using a single lens, one black & white tube with a rotating color wheel or three RGB color tubes with three lenses. Projectors having cathode ray tubes are generally bulky thats why these are the best projectors for fixed installations.
LCD digital projectors are lighter and portable enough compared to CRT and can be shifted from a spot to another. They are very much popular and available in several sizes and shapes. CRT and LCD digital projectors come beneath the class of transitive projectors.
Reflective projectors are the superior digital projectors which provide good quality images. These are generally affordable and provide next stage of entertainment. Anyone can enjoy home theatre applications by using digital projectors.
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