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The Television Code – Fifth Edition, March 1959 Complete with Interpretations and Amendments. Courtesy of J. Alan Wall's TV-signoffs.com; 1970s Television Code PSA – video available for download at the Internet Archive
Like other television programming, sign-on and sign-off sequences can be initiated by a broadcast automation system, and automatic transmission systems can turn the carrier signal and transmitter on/off by remote control. [a] Sign-on and sign-off sequences have become less common due to the increasing prevalence of 24/7 broadcasting.
Test cards typically contain a set of patterns to enable television cameras and receivers to be adjusted to show the picture correctly (see SMPTE color bars).Most modern test cards include a set of calibrated color bars which will produce a characteristic pattern of "dot landings" on a vectorscope, allowing chroma and tint to be precisely adjusted between generations of videotape or network feeds.
The patent also mentions the possibility of forwarding sound or vision to a security center, or recording them. A pushbutton alarm system to contact police or others is also included. The patent cited other inventors, including Edward D. Phinney and Thomas J. Reardon, as well as RCA's Closed Circuit Television Systems, Book I, pp. 182-186, 1958 ...
Leslie Harrison Lambert (11 November 1883 – 13 December 1941), known in public as A. J. Alan, was an English magician, intelligence officer, short story writer and radio broadcaster. At the beginning of World War II he worked in naval intelligence at Bletchley Park .
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Allan Lichtman told USA TODAY his 2024 choice set off an "avalanche." Here's why he thinks Americans love political predictions. Historian who predicted 9 of the last 10 elections says 2024 pick ...
Gulf and Western Industries, Inc. (stylized as Gulf+Western) was an American conglomerate.The company originally focused on manufacturing and resource extraction, but it began purchasing a number of entertainment companies beginning in 1966 and continuing through the 1970s.