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PCE
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DIFF Subgroup
G04C 23/16

acting only at one preselected time or during one adjustable time interval

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 > acting only at one preselected time or during one adjustable time interval

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 > acting only at one preselected time or during one adjustable time interval

No child classifications to compare. This is a leaf node in both IPC and CPC.