Stop watch

Details Stop watch Stop watch

1987-11-17

1988-09-06

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

368 69, G04F 800, G04C 1700

Patent

active

047697970

ABSTRACT:
A watch, comprising a reference signal generator circuit, a stop watch circuit, an external operation switch, a display selection circuit, an elapsed time display timer, and an impact detecting circuit, wherein an elapsed time is displayed at a display element for a predetermined time, by utilizing an impact force, and the display of the elapsed time is fixed at the display means, and further, the elapsed time is memorized in a plurality of memories for later retrienal.

REFERENCES:
patent: 3992871 (1976-11-01), Numabe
patent: 4078376 (1978-03-01), Freeman
patent: 4089156 (1978-05-01), Kashio
patent: 4110966 (1978-09-01), Kashio
patent: 4477194 (1984-10-01), Michel et al.

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