What is the purpose and function of TV?

Television enriches people's amateur cultural life and makes people happier. Television can make people relax and eliminate fatigue. Television can spread culture and knowledge. Television can spread news, news, etc. Television can serve the country and the government. Television can spread advertisements. Television is characterized by using electricity to transmit instantaneous moving visual images. Like movies, TV uses the visual residual effect of human eyes to visualize a gradually still image and form a visually moving image.

The transmitter of the TV system converts the subtle parts of the scene into electrical signals according to the brightness and chromaticity, and then sends them out in turn. The receiver displays the brightness and chromaticity of each tiny part according to its geometric position, and reproduces the whole original image. Now many consumers don't use TV at home, so they still buy the cheapest one to decorate at home. Anyway, they don't watch it, and they can't open it several times a year. The reason for this phenomenon is the change of consumption concept. Most people think that TV is used to watch programs issued by TV stations, so it is useless! Today I will tell you what TV can do.

Connecting cable set-top boxes or network set-top boxes and watching live channels are the most basic functions of TV. Watch movies and TV series with network cable or wireless network. Compared with mobile phones, the viewing effect is much better. The TV screen can see a great impact and protect your distant vision. E-learning, now many smart TVs have built-in learning software, including early childhood education, all primary and secondary school courses, and many courses taught by special teachers. The educational level is much higher than that of junior college. Covers all kinds of talent courses, doctor consultation and users of all ages.

Possess somatosensory games and equipment. Playing games, dancing, badminton, bowling, golf, 100 meter sprint, yoga practice and sports are good for your health. Shopping, TV, Taobao, and many overseas tours are cheap or genuine. Business trip to buy air tickets, train tickets, tourist attractions confirmation, room reservation, all ready. Video call, want to care about family, mobile phone to play TV, TV to play mobile phone, it is easy to achieve.