Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Television systems > Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

CPC:

Television systems (details H04N3/00, H04N5/00; methods or arrangements, for coding, decoding, compressing or decompressing digital video signals H04N19/00; selective content distribution H04N21/00) > Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

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H04N 7/181 CPC only CPC only
H04N 7/183 +2 CPC CPC only CPC only
H04N 7/188 CPC only CPC only