Power circuit for electronic wristwatch

Details Power circuit for electronic wristwatch Power circuit for electronic wristwatch

1980-05-01

1983-08-09

Miska, Vit W.

Horology: time measuring systems or devices

Power supply details

Electrical

323281, G04B 100, G04B 3700

Patent

active

043975631

ABSTRACT:
A power circuit for an electronic wristwatch is provided wherein voltage reduction circuit means is positioned intermediate a battery source and at least a portion of the circuitry of the timepiece to be driven by the battery source. The battery source is preferably a lithium battery. The voltage reduction circuit means include a capacitor and other circuit components formed on an integrated circuit substrate.

REFERENCES:
patent: 3743923 (1973-07-01), Steudel
patent: 3993985 (1976-11-01), Citopard et al.
patent: 3996482 (1976-12-01), Lockwood
patent: 3999368 (1976-12-01), Yoshida
patent: 4094137 (1978-06-01), Morokawa
patent: 4232261 (1980-11-01), Lingstaedt et al.
patent: 4258310 (1981-03-01), Asakawa et al.

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