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Early television evolved from the network organization of radio in the early 1940s. Three of the four networks that rose to dominance, NBC, CBS, and ABC, were corporations that were based in the business center of New York City; the fourth was the Mutual Broadcasting System, a cooperative of radio stations that, though its member stations entered television individually, never had a ...
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.
A television set, also called a television receiver, television, TV set, TV, or telly, is a device that combines a tuner, display, and speakers for the purpose of viewing television. Introduced in the late 1920s in mechanical form, television sets became a popular consumer product after World War II in electronic form, using cathode ray tubes .
DuMont Television Network (1948–1956) and NTA Film Network (1956–1961) were early attempts at a "fourth network". Fox, built partly on the remnants of DuMont, is a relative newcomer that began operations in 1986 and expanded its programming through the 1990s. The Paramount Television Network flourished simultaneously with Fox, if less ...
The first fully transistorized color television in the United States was the Quasar television introduced in 1967. [141] These developments made watching color television a more flexible and convenient proposition. In 1972, sales of color sets finally surpassed sales of black-and-white sets.
1922: Charles Francis Jenkins' first public demonstration of television principles. A set of static photographic pictures is transmitted from Washington, D.C. to the Navy station NOF in Anacostia by telephone wire, and then wirelessly back to Washington; Philo Farnsworth first describes an image dissector tube, which uses cesium to produce images electronically.
A television broadcaster or television network is a telecommunications network for the distribution ... Channel 4 and Channel 5 each introduced a number of digital ...
On September 13, 1977, the network debuted Soap, a controversial adult parody of daytime soap opera dramas, which became known for being the first U.S. network television series to feature an openly gay main character (played by a then-unknown Billy Crystal); set to debut in September 1977, Soap had TV watchdogs threatening to wash out the ...