====== Control clock ======
**Control clocks** are devices for recording time, which serve to monitor specific processes. So, for example, working hours, travel times or parking times can be controlled. For this purpose, the start and end time is stored largely forgery-proof on an electronic or mechanical media.

[[https://en.wikipedia.org/wiki/Time_clock|Time clocks]], [[https://en.wikipedia.org/wiki/Tachograph|tachographs]] or [[https://en.wikipedia.org/wiki/Parking_meter|parking meters]] belong to the group of control clocks.


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