Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts

Introduced: September 1968

Last revised: January 2006

Full Title

Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals > Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts

Classification Context

Section:: PHYSICS
Class:: HOROLOGY
Subclass:: ELECTROMECHANICAL CLOCKS OR WATCHES

4 direct subcodes

Child Classifications

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G04C 23/4 using continuously-running mechanism
G04C 23/42 acting only at the end of a single time interval
G04C 23/48 acting at the ends of successive time intervals
G04C 23/5 with provision for modification of the interval(s) by external influences