Digital data processing

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Advancing or retarding electric ignition spark; Control therefor > automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions > using electrical means > Digital data processing

CPC:

Advancing or retarding ignition; Control therefor > automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions (dependent on position of personal controls of engine F02P5/02) > using electrical means > Digital data processing

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1995.

Child Classifications

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F02P 5/1502 +7 CPC CPC only CPC only
F02P 5/1518 CPC only CPC only
F02P 5/152 dependent on pinking (detecting or indicating knocks in internal-combustion engines G01L23/22) since 1995 +7 CPC IPC+CPC Available in IPC and CPC
F02P 5/153 dependent on combustion pressure since 1995 IPC+CPC Available in IPC and CPC