Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
G04C23/18—Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times
G04C23/20—Mechanisms continuously running to relate the operation(s) to the time of day for operating one device at a number of different times with contacts operated, or formed by clock hands or elements of similar form
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Electric Clocks
(AREA)
Measurement Of Predetermined Time Intervals
(AREA)