Digital projectors are equipments of modern technology. These are used to convert image data straight from your computer onto a screen via lens system. Digital projectors provide visualization of web data that may be actually held in a pc for presentation. These projectors allow the viewers to look at moving images coming from a DVD, digital versatile disc player. Advertisers or sellers also have these projectors to present illustration showing products to a huge number of customers. It might easily convert written documents onto an interactive whiteboard.

Digital projectors play a huge role from the formation of home entertainment system systems. These projectors use resolution of SVGA standard i.e. 800? 600 pixels in expensive devices. Expense of digital projector is determined by its resolution along with its brightness. 000 to 4,000 ANSI lumens, if you’re going to use 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 in the rotating disk with light shining through it and employed an electron beam to disrupt oil in the specific manner. Eidophor projectors were incapable of produce colors. Nowadays there are various premium quality types of digital projectors are available in market so Eidopher projectors are less frequent.

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 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 has three colors red, green and blue using a single lens, one black & white tube by using a rotating color wheel or three RGB color tubes with three lenses. Projectors having cathode ray tubes tend to be bulky thats why they are the best projectors for fixed installations.

LCD digital projectors are lighter and portable enough as compared to CRT and can easily be shifted in one destination to another. They are quite definitely available and popular in various shapes and sizes. CRT and LCD digital projectors come underneath the class of transitive projectors.

Reflective projectors are the superior digital projectors offering top quality images. They are affordable and provide next stage of entertainment. Everyone can enjoy home cinema applications through the help of digital projectors.

To get more information about May chieu benq browse this useful web site