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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 ...
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 ...
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.
For years, the CBN Satellite Service (later renamed CBN Cable Network in 1984) mixed religious programming with reruns of classic television series to fill out its 24-hour schedule. The network changed its name to The CBN Family Channel in 1988 (revised to The Family Channel in 1990 once CBN spun it out to an indirectly owned for-profit company ...
Network era; Multi-channel transition; New Golden Age; Post-network era; Streaming wars; History by decade; History of: Sports broadcasting; Public broadcasting; Children's television; TV animation: (Network era · Modern era)
The first broadcast in color was the President Urho Kekkonen's New Year speech in 1969, [51] and color television licenses were introduced the same year. [52] Color was introduced gradually; most programs were in color by the end of the 1970s. Some news broadcasts remained in black-and-white until May 1979. [53]