Timekeeping system for timing of a start signal

Horology: time measuring systems or devices – Time interval – Electrical or electromechanical

Patent

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Details

368113, G04F 800, G04F 1000

Patent

active

053813898

ABSTRACT:
A trigger signal generated by a start pistol is inputted to a timekeeping device. The trigger signal is synchronized with reference clock pulses and then transmitted to competitors as sound and light start signals. In addition, counting in a timekeeping counter is started at the timing of this signal.

REFERENCES:
patent: 4074117 (1978-02-01), DeLorean et al.
patent: 4451158 (1984-05-01), Selwyn et al.
patent: 4456383 (1984-06-01), Speckhart et al.
patent: 5105395 (1992-04-01), Imhof
patent: 5194861 (1993-03-01), St. Clair

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