10 Terms
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Television
Any device used to transmit and recieve moving images, usually accompanied by sound.
Industry: Consumer electronics
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Television
Anchor
Consumer electronics; Television
In aerial construction, a buried metal structure to which guy wires are tied.
Black level
Consumer electronics; Television
The brightness of black (peak) in a video signal (referenced in NTSC as 7.5 IRE).
Blanking
Consumer electronics; Television
That part of the video signal where the amplitude and timing renders retrace as invisible.
Block converter
Consumer electronics; Television
A device that shifts a group of frequencies to a higher or lower grouping.
Blacker-than-black
Consumer electronics; Television
Below reference black level (sync pulse direction) in a composite video signal.
Agile
Consumer electronics; Television
A device capable of user frequency selection as opposed to being fixed in frequency.
Automatic gain control (AGC)
Consumer electronics; Television
Circuitry that automatically adjusts the electronic amplification of the video signal to compensate for varying levels of scene illumination.)
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