Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Introduced: September 1968

Title

Titles differ between systems:

IPC: Circuitry for suppressing or minimising disturbance, e.g. moire or halo

CPC: Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Full Title

Full titles differ between systems:

IPC:

Details of television systems > Picture signal circuitry for video frequency region > Circuitry for suppressing or minimising disturbance, e.g. moire or halo

CPC:

Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Picture signal circuitry for video frequency region (cameras or camera modules comprising electronic image sensors, or control thereof H04N23/00) > Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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H04N 5/211 CPC only CPC only
H04N 5/213 Circuitry for suppressing or minimising impulsive noise (for suppressing or minimising disturbance in image signal generation H04N23/81) since 1985 IPC+CPC Available in IPC and CPC