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Family watching TV, 1958. The concept of television is the work of many individuals in the late 19th and early 20th centuries. The first practical transmissions of moving images over a radio system used mechanical rotating perforated disks to scan a scene into a time-varying signal that could be reconstructed at a receiver back into an approximation of the original image.
Mechanical televisions were commercially sold from 1928 to 1934 in the United Kingdom, France, [6] the United States, and the Soviet Union. [7] The earliest commercially made televisions were radios with the addition of a television device consisting of a neon tube behind a mechanically spinning disk with a spiral of apertures that produced a ...
1940: The American Federal Communications Commission, (), holds public hearings about television; 1941: First television advertisements aired. The first official, paid television advertisement was broadcast in the United States on July 1, 1941, over New York station WNBT (now WNBC) before a baseball game between the Brooklyn Dodgers and the Philadelphia Phillies.
RCA 630-TS, the first mass-produced television set, which sold in 1946–1947. A television set, also called a television receiver, television, TV set, TV, or "telly," is a device that combines a tuner, display, amplifier, and speakers for the purpose of viewing television and hearing its audio components.
Television receivers were also sold by General Electric, DuMont Laboratories and other manufacturers during his period. NBC rival CBS established their own electronic television station in New York at the time, W2XAB (today's WCBS-TV) as well as the DuMont Laboratories establishing their station W2XWV (today's WNYW). Although television sets ...
This list should not be interpreted to mean the whole of a country had television service by the specified date. For example, the United States, Great Britain, Germany, and the former Soviet Union all had operational television stations and a limited number of viewers by 1939. Very few cities in each country had television service.
Post 1987 TVs were made by Mitsubishi and sold as Electrohome in name only Element Electronics: 2006 present Emerson Radio & Phonograph: 1947 1973 EMI - - Farnsworth: 1947 1965 Ferguson Electronics - - Ferranti - - Finlux (Vestel) 1971 present Fisher Electronics - - Fujitsu: 1992 present Funai: 1980s present Geloso: 1931 1972 General Electric ...
The first color television program aired during Tết of 1977. [127] Color televisions were available only in big cities until August 1, 1986. [128] The last station to switch to color TV was Ho Chi Minh City Television which switched on August 24, 1987 after a fire destroyed the entire television center the previous day. Switched to PAL from 1990.