Digital projectors are equipments of contemporary technology. These are used to convert image data directly from the pc onto a screen via lens system. Digital projectors provide visualization of data that may be actually held in a personal computer for presentation. These projectors allow the viewers to watch moving images from the DVD, digital versatile disc player. Advertisers or sellers likewise use these projectors to provide illustration showing products to numerous customers. It might easily convert written documents onto an interactive whiteboard.

Digital projectors play an important role from the formation of home cinema systems. These projectors use resolution of SVGA standard i.e. 800? 600 pixels in expensive devices. Expense of digital projector depends on its resolution along with its brightness. If you're planning to make use of it in large rooms or big conference halls its brightness needs to be from one thousand to 4,000 ANSI lumens.
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 within 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 less common.

Following four technologies are being used in digital projectors:
High intensity 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 suitable for enduring installations. Entire working of cathode ray tube digital projectors is like CRT television set. These projectors may be configured with one RGB color tube which includes three colors green, red and blue having 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 often bulky thats why these are the best projectors for fixed installations.
LCD digital projectors are lighter and portable enough in comparison to CRT and can be easily shifted from one location to another. These are typically greatly popular and available in a variety of shapes and sizes. CRT and LCD digital projectors come within the group of transitive projectors.
Reflective projectors are definitely the superior digital projectors offering premium quality images. These are generally affordable and provide next phase of entertainment. Everybody can enjoy home entertainment system applications with the help of digital projectors.
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