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