Picture signal circuitry for video frequency region (cameras or camera modules comprising electronic image sensors, or control thereof H04N23/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Picture signal circuitry for video frequency region

CPC: Picture signal circuitry for video frequency region (cameras or camera modules comprising electronic image sensors, or control thereof H04N23/00)

Full Title

Full titles differ between systems:

IPC:

Details of television systems > Picture signal circuitry for video frequency region

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)

CPC subdivides this area 3x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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H04N 5/141 CPC only CPC only
H04N 5/142 CPC only CPC only
H04N 5/144 +1 CPC CPC only CPC only
H04N 5/147 CPC only CPC only
H04N 5/148 CPC only CPC only
H04N 5/16 Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level +1 CPC IPC+CPC Available in IPC and CPC
H04N 5/20 Circuitry for controlling amplitude response IPC+CPC Available in IPC and CPC
H04N 5/21 Circuitry for suppressing or minimising disturbance, e.g. moiré or halo +1 CPC IPC+CPC Available in IPC and CPC