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IPC Subgroup
H04N 5/275

Generation of keying signals

Introduced: January 1985

Last revised: January 2006

Full Title

Details of television systems > Studio circuitry; Studio devices; Studio equipment > Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects > Means for inserting a foreground image in a background image, i.e. inlay, outlay > Generation of keying signals

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
PICTORIAL COMMUNICATION, e.g. TELEVISION