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The elements of a simple broadcast television system are: . An image source. This is the electrical signal that represents a visual image, and may be derived from a professional video camera in the case of live television, a video tape recorder for playback of recorded images, or telecine with a flying spot scanner for the transfer of motion pictures to video).
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.
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.
1942: FCC terminates all American television broadcasting because of the war; DuMont petitions FCC to resume broadcasting and receives approval. 1943: Hänsel und Gretel is the first complete opera to be broadcast on television, but only in New York; first (experimental) telecast of Charles Dickens's A Christmas Carol. Many more telecasts of ...
The Encyclopedia of Television at the Museum of Broadcast Communications; The Evolution of TV, A Brief History of TV Technology in Japan NHK; Television's History – The First 75 Years; Worldwide Television Standards; Global TV Market Data; Television in Color, April 1944 one of the earliest magazine articles detailing the new technology of ...
Analog television system by nation Analog color television encoding standards by nation. Every analog television system bar one began as a black-and-white system. Each country, faced with local political, technical, and economic issues, adopted a color television standard which was grafted onto an existing monochrome system such as CCIR System M, using gaps in the video spectrum (explained ...
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Prewar broadcasting; Golden Age; 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)