Mechanisms continuously running to relate the operation(s) to the time of day

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals > Mechanisms continuously running to relate the operation(s) to the time of day

CPC:

Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (if restricted to producing acoustic time signals by electrical means G04C21/00) > Mechanisms continuously running to relate the operation(s) to the time of day

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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G04C 23/16 acting only at one preselected time or during one adjustable time interval IPC+CPC Available in IPC and CPC
G04C 23/18 for operating one device at a number of different times IPC+CPC Available in IPC and CPC
G04C 23/26 for operating a number of devices at different times IPC+CPC Available in IPC and CPC
G04C 23/34 with provision for automatic modification of the programme, e.g. on Sunday +3 CPC IPC+CPC Available in IPC and CPC