April 13 - The FCC minimum programming time required of TV stations is cut from 15 hours to four hours a week during the war.
April 13 is the 103rd day of the year in the Gregorian calendar (104th in leap years). ... The Federal Communications Commission (FCC) is an independent United States government agency, created, directed, and empowered by Congressional statute. ...
CBS Television Quiz was the first television game show ever to be broadcast regularly. ... 1941 was a common year starting on Wednesday (link will take you to calendar). ... This article is about the year. ...
The most basic difference between television standards is the number of lines per field and the number of fields per second, as determined by the line and field scanning frequencies.
An additional effect is produced because many television cameras and telecine units employ a technique called 'contours out of green' in which the the waveforms used for horizontal and vertical aperture correction are derived not from the luminance signal obtained by matrixing the three colour channels, but from the green channel alone.
The art of radio transmission was quite mature at the time of the introduction of television, but to transmit the vast bandwidth of a video signal (one thousand times wider than an audio signal) required carrier frequencies of an order of magnitude higher than those that had been used previously for broadcast purposes.
Television sets were very expensive at first, and prices did not drop to an affordable level until technology developed during the Second World War for radar was introduced.
A major driver for television uptake in Britain was the Coronation of Queen Elizabeth II in 1953.
Paralleling television's growing primacy in family life and society, an increasingly vocal chorus of legislators, scientists and parents are raising objections to the uncritical acceptance of the medium.
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