Display having at least one hand, in particular for timepieces

Distance pulse averaging unit

Dive timer

Dual time base zero dead zone time domain reflectometer

Dual timer device

Dual timing apparatus

Dual timing event stopwatch

Duty cycle measurement circuit for measuring and maintaining...

Dynamic timing reference alignment system

Efficient clock calibration in electronic equipment

Elapsed time indicator

Elapsed time indicator

Elapsed time indicator

Elapsed time indicator with moving disc

Electric timer

Electric timer with program carrier switchable from a short term

Electric timing bench and control box for the same

Electrochemical time switching device

Electromagnetic plunger drop timer

Electromechanical short interval timer