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By the time electronic television matured in the late 1930s, some more varied experimental programs, including live sportscasts and some game shows (such as the CBS Television Quiz and Truth or Consequences), were appearing; most television service was suspended beginning in 1942 because of World War II. The decade-long period of new ...
Warsaw 1937 (mechanical): 120 lines, test movies and live images from a studio; Electronic TV was under development and was publicly demonstrated during the Radio Exhibition in Warsaw in August 1939, regular operations planned to start at the beginning of 1940, work stopped because of the outbreak of World War II.
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 .
Broadcasting of the resulting BBC Television Service from its Alexandra Palace site began in November 1936, at first time-sharing broadcasts with the 240-line Baird system; however, in January 1937, after three months of trials, the Baird system was abandoned in favour of exclusive broadcasting with the 405-line Marconi-EMI system on VHF.
This is a list of pre-World War II television stations of the 1920s and 1930s. Most of these experimental stations were located in Europe (notably in the United Kingdom , France , Germany , Italy , Poland , the Netherlands , and Russia ), Australia , Canada , and the United States .
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, the United Kingdom, 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.
Mechanical TV usually only produced small images. It was the main type of TV until the 1930s. Vacuum tube television, first demonstrated in September 1927 in San Francisco by Philo Farnsworth, and then publicly by Farnsworth at the Franklin Institute in Philadelphia in 1934, was rapidly overtaking
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.