Analog quartz timepiece

Details Analog quartz timepiece Analog quartz timepiece

1979-06-08

1981-04-07

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With manually actuated display

368 80, 368187, G04C 1700, G04B 1904, G04C 900

Patent

active

042610486

ABSTRACT:
An analog quartz timepiece having a manually operated external control member, and a correction signal generation circuit controlled by the external control member to generate low speed and high speed correction signals when the external control member is actuated for a short period of time and for a predetermined time interval, respectively, by which a stepping motor is driven at a selected speed to perform time correction. The timepiece also includes a click mechanism operative to shift an hours hand step-wise from any optional position without affecting a minutes hand and a seconds hand. The timepiece further includes a seconds zero-reset mechanism operative to reset the seconds hand to zero.

REFERENCES:
patent: 3852951 (1974-12-01), Sauthier
patent: 3901022 (1975-08-01), Cleusix et al.
patent: 3928959 (1975-12-01), Naito
patent: 4092822 (1978-06-01), Droz et al.

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