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In 1900, the Englishman Konstantin Paski made the first official use of the term "television" in a report for ITU meetings, at a time when real television was a long-held dream. When Baird succeeded in assembling the world's first television set in England in 1925, people did not expect her to become the greatest invention of the twentieth century, the darling of our time. Since then, the black box, which was originally called "broken play", has followed war and peace, victorious flowers and failed funerals, and even the church and priest appear in this black box, and melodious hymns and warm requiems have sounded.
Now, there is nothing more remarkable than television, which deeply influences people's social existence and life behavior as a link between the family and the whole world.
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Baird in 1930 A.D., he made a striking statement, proposing a color television system composition; In 1928, Baird transmitted the film from London, England to New York, USA, by radio waves, and the world was even more surprised by its achievements. The television business has been adopted as a major development target by broadcasters in various countries. Pei had been funded by the United Kingdom** and the British Broadcasting Corporation (bb c), and with further dedication to research and development, at the end of 1929 the television station broadcast his new invention of the sound television.
In 1930 A.D., he made a striking statement and proposed the composition of the color television system; On the second day of the successful test in December 1941, Nazi Germany bombed London in World War II, destroying his laboratory and losing all his efforts. However, he was not discouraged, and still started another study under the harsh circumstances of the war. On June 8, 1946, Pei performed his invented color television set, which was broadcast from the British Television and Broadcasting Corporation (B B C) in the World War II Victory Parade color television program.
The participants were full of praise for the colorful television images, and thanked Baird for his great deeds to television, when he was seriously ill in bed and could not bow down to attend the conference, and passed away on the sixth day at the age of 56. On March 17, 1958, China's first television set was assembled by the state-owned Tianjin Radio Factory.
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The first generation of LCD TVs was launched in 2000.
The world's first liquid crystal display device was manufactured by Sharp in Japan in the early 70s of the 20th century, and was called TN-LCD (twisted nematic) liquid crystal display.
In the 80s of the 20th century, STN-LCD (super twisted nematic) liquid crystal display appeared, and at the same time, TFT-LCD (thin film transistor) liquid crystal display technology was developed, but liquid crystal technology is still immature and difficult to popularize. From the late 80s to the early 90s of the 20th century, Japan mastered the production technology of STN-LCD and TFT-LCD, and the LCD industry began to develop rapidly.
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1925 year. Television was first invented in 1925 by British engineer John Logie Baird. Television uses electricity to transmit real-time images of the event's visual calendar.
Similar to movies, TV uses the visual residual effect of the human eye to show a still image with a gradual change of frames, forming a visual living ** like socks. The transmitter of the TV system converts each fine part of the scene into electrical signals according to the brightness and chromaticity, and transmits them sequentially. At the receiving end, the luminance and chromaticity of each fine part are displayed according to the corresponding geometric position to reproduce the entire original image.
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Around 2000, there were only small screens of 15-20 inches. It was only after 2003 that 32-inch machines began to appear, and the size increased and decreased** year by year.
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The RCA launched the world's first black-and-white television in 1939, set the national standard for color television in 1953, and launched the RCA color television in 1954.
The image of a puppet "scanned" by Scotsman John Logie Baird on October 2, 1925, during an experiment in London, is often seen as the mark of the birth of television, and he is known as the "father of television". However, this perception is controversial. Because, also in that year, the American Vladimir Zworykin showed his boss his television system at Westinghouse. >>>More
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