Traditional Culture Encyclopedia - Weather forecast - About Konka LCD TV
About Konka LCD TV
2. Large-screen color TV: The so-called large-screen color TV generally refers to a color TV with a screen size of more than 25 inches.
3. Digital color TV: internationally, "all-digital TV" is referred to as "digital TV", and English is Digital TV, abbreviated as DTV. All-digital TV technology covers the following three areas: 1, digital technology in TV studio program production, broadcasting and transmission equipment; 2. Digital technology in TV receiver: 3. Transform the transmission and storage technology of analog PAL, NTSC and SECAM TV signals into digital TV signals. From the visual effect of human eyes, digital TV can be divided into the following three reasons: 1, digital high-definition TV, referred to as HDTV, adopts the screen aspect ratio of 16: 9 which conforms to the physiological characteristics of human eyes; 2. Digital TV Standard Definition TV is a popular digital TV. 3. Digital low definition TV is a kind of VCD digital TV. At present, the so-called "digital TV" popular in China's market is not a real digital TV, but uses digital technology to improve the viewing effect of ordinary analog TV.
4. Digital dual-frequency color TV: that is, a TV set compatible with digital signals and analog signals.
5. Computer TV: abbreviated as PCTV in English, its name tells us that it is a multimedia device with both TV and home computer functions, and it is the product of the rapid development of computer technology, especially network technology.
6. Teletext: Teletext is a way of TV multicast, which uses the principle of time division multiplexing to transmit additional information such as news, program forecast, weather forecast and stock market at home and abroad during the period of normal TV signal elimination.
7. Widescreen TV: Widescreen TV refers to a TV with the aspect ratio (aspect ratio) of 16: 9.
8. Rear projection: Also known as large-screen projection TV, rear projection is usually a large-screen TV, which reproduces the video signals output by video recorders, LD players, VCDs, DVDs, cameras and other equipment on the large-screen projection screen.
9. Picture tube: Picture tube is an important part of TV, accounting for about 60% of the cost of TV. Its development course is spherical tube, plane right-angle tube, super-flat tube and plane tube; The development course of Sony CRT is spherical tube, Trollon tube and planar Trollon tube.
10. Mirror picture tube: 1998 10. At the 37th International Electronic and Electrical Expo held in Osaka, Japan, all TV manufacturers showed flat-panel TVs like mirrors. At present, TV shopping malls in big cities in China also have large-screen TVs using mirror picture tubes, such as Konka Mirror TV, Lehua Flat Panel TV, Panasonic Sharp Screen TV, Sony Flat Panel TV, Toshiba Shi Fei TV and other major companies have put mirror TVs on the market.
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