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[11] [12] It was sold as a night-light from 1997 to 2005 by the Archie McPhee company, [13] reminiscent of the times when a fairly common late-night experience was to fall asleep while watching the late movie, only to awaken to the characteristic sine wave tone accompanying the Indian-head test pattern on a black-and-white TV screen.
Some broadcasters that have ceased signing on and signing off in favour of 24-hour broadcasting may perform a sign-off sequence at a certain time in the night (usually between 10:00 p.m. and 1:00 a.m.) as a formality to signify the end of its operating day (in the United States, the broadcast logging day ends at 12:00 midnight local time).
A test card, also known as a test pattern or start-up/closedown test, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at sign-on and sign-off). [1] Used since the earliest TV broadcasts, test cards were originally physical cards at which a television camera was ...
[11] [12] Though WDAF-TV was the first modern station on the air, it was predated by the experimental W9XAL, which operated in the 1930s. [13] WDAF-TV was a primary affiliate of NBC, but as the only television station in Kansas City, it held program agreements with the other major networks: CBS, ABC, and the DuMont Television Network (from May ...
In a typical digital on-screen graphic, the station's logo appears in a corner of the screen (in this simulated example, the bottom-right) A digital on-screen graphic , digitally originated graphic ( DOG , bug , [ 1 ] network bug , or screenbug ) is a watermark-like station logo that most television broadcasters overlay over a portion of the ...
Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".
Off-air screen capture of BBC Test Card F, as seen on BBC1 between 17 February 1991 and 4 October 1997. Test Card F is a test card that was created by the BBC and used on television in the United Kingdom and in countries elsewhere in the world for more than four decades.
In Turkey, screen graphics, bugs, or DOGs are known as screen badges. On analogue/digital television, screen badges were introduced to TRT1 in 1996 and some private channels had screen badges beginning in the mid-1990s. Beginning 1 January 2000, all television channels at the time had screen badges usually located in the top right hand of the ...
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