Horology: time measuring systems or devices – Power supply details – Electrical
Patent
1979-01-05
1981-11-03
Miska, Vit W.
Horology: time measuring systems or devices
Power supply details
Electrical
368202, G04B 1720, G04B 100
Patent
active
042989710
ABSTRACT:
An electronic timepiece having voltage regulation, temperature detection and battery voltage detection means provided on the same integrated circuit as is used for timekeeping circuitry, and having external terminals for stepwise weighted adjustment of timekeeping gain/loss.
REFERENCES:
patent: 3938316 (1976-02-01), Morokawa et al.
patent: 3978650 (1976-09-01), Hashimoto et al.
patent: 3999370 (1976-12-01), Morokawa et al.
patent: 4014165 (1977-03-01), Barton
patent: 4094137 (1978-06-01), Morokawa
Koga Keiichiro
Morokawa Shigeru
Citizen Watch Company Limited
Miska Vit W.
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