Monoscope
Video camera tube displaying a built-in still image, 1950s-1980s / From Wikipedia, the free encyclopedia
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For the portable telescope, see Spotting scope.
A monoscope was a special form of video camera tube which displayed a single still video image. The image was built into the tube, hence the name. The tube resembled a small cathode ray tube (CRT). Monoscopes were used beginning in the 1950s to generate TV test patterns and station logos. This type of test card generation system was technologically obsolete by the 1980s.
This article includes a list of general references, but it lacks sufficient corresponding inline citations. (November 2009) |