Position:The 07 timeses that mixing is development of projector high speed 8 years, more and more recreation and throw on the market of product of business affairs projector, additionally the flying development of relevant technology makes projector obtained very big breakthrough in every respect. As the maturity of market competition and umbriferous technology, the price of projector is lower and lower also, user of a lot of families and user of medium and small businesses are taller and taller to the attention of projector.
To family and user of medium and small businesses, because be opposite projector is relevant of the technology do not understand, make in the choose and buy when the product that selects very hard to suit his, for this, the author explains for everybody at present the projector technology of the mainstream.
Projector classification
At present the projector of the mainstream on the market, those who press utility is different and OK cent teachs projector and project projector for recreational projector, business affairs 3 kinds big. Teaching projector like happy projector and business affairs among them is average user the contact is most, also family and user of medium and small businesses care most, project projector basically applies in a few special situations.
Business affairs teachs projector to wait for business affairs user in the light of enterprise, company and school, basically use at business affairs to demonstrate office and daily education, inputting signal basically is personal computer signal. Projector brightness has different choice according to using environmental on any account, umbriferous picture is 4: 3. Resolution respect, low end uses SVGA commonly (800 × 600) , high end used XGA in (1024 × 768) . Functional respect, image, text and video can demonstrate, compatibility is stronger, match signal of imitate of stock D-Sub personal computer to input interface, high end of a bit still deserve to DVI number inputs interface.
Recreational projector basically undertook optimizing in the light of video respect, because often need to be in,the sitting room is used below such shining environment, accordingly, the brightness of this kind of projector is taller, at present the recreational projector brightness of the mainstream is in 2000 lumen above, to let video all sorts of medium setting can get better indication result, the demand of its contrast is higher also. The picture aspect ratio of recreational projector is more 16: 9 wide screen, all sorts of video port are all ready, suit to broadcast the film and high-definition clear TV.
According to umbriferous technology, projector can divide for: Light of number of projector of CRT CRT projector, LCD liquid crystal, DLP handles projector and LCoS projector 4 kinds big.
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