Digital projectors are equipments of contemporary technology. These are used to convert image data straight from the pc onto a screen via lens system. Digital projectors provide visualization of information which is actually saved in a personal computer for presentation. These projectors enable the viewers to watch moving images from your DVD, digital versatile disc player. Advertisers or sellers also use these projectors to provide illustration showing products to a lot of customers. It might easily convert written documents onto an interactive whiteboard.

Digital projectors play a huge role inside the formation of home theater systems. These projectors use resolution of SVGA standard i.e. 800? 600 pixels in expensive devices. Value 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 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 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 several top quality models of digital projectors can be purchased in market so Eidopher projectors are less common.

Following four technologies are employed in digital projectors:

Intense CRT

LCD projectors using LCD light gates

Texas Instruments’ DLP technology

Eidophor oil-film projectors (obsolete)

At present 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 much like CRT television set. These projectors can be configured with one RGB color tube which has three colors red, blue and green with a single lens, one black & white tube having a rotating color wheel or three RGB color tubes with three lenses. Projectors having cathode ray tubes are generally bulky thats why they are the best projectors for fixed installations.

LCD digital projectors are portable and lighter enough in comparison to CRT and can easily be shifted in one destination to another. These are typically very much popular and available in various styles and sizes. CRT and LCD digital projectors come beneath the category of transitive projectors.

Reflective projectors are the superior digital projectors which provide good quality images. These are affordable and present next stage of entertainment. Anyone can enjoy home theatre applications with the help of digital projectors.

To read more about may chieu gia re tphcm go to this popular webpage: look at this