Quartz controlled analog watch

Details Quartz controlled analog watch Quartz controlled analog watch

1979-05-21

1980-03-11

Rubinson, Gene Z.

Horology: time measuring systems or devices

Electrical time base

For reciprocating or oscillating element

368217, G04C 304

Patent

active

041921321

ABSTRACT:
A quartz controlled analog watch with a minute hand indexed once a minute by minute pulses and a seconds hand indexed once every five seconds by weaker pulses occurring at five second intervals between minute pulses.

REFERENCES:
patent: 4128992 (1978-12-01), Egger et al.

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