Electronic timepiece

Details Electronic timepiece Electronic timepiece

1974-12-13

1976-04-06

Jackmon, Edith Simmons

58 24R, 58 855, 58152H, G04C 300, G04C 1302, G04B 2700, G04B 3712

Patent

active

039480364

ABSTRACT:
An electronic timepiece comprising a plurality of time keep mechanisms adapted to be parallel operated, for example, an electrical time keep means and a mechanical time keep means, is disclosed. The electronic timepiece comprises a time set mechanism which can read out an information of mutual relation between a standard time and a kept time at an instant upon receipt of a standard time signal which is exteriorly supplied as an input and memorize said information and which can precisely synchronize the timepiece during its time keep operation with a standard timepiece based on said memorized information.

REFERENCES:
patent: 3553957 (1969-02-01), Dome et al.
patent: 3643419 (1972-02-01), Motta
patent: 3777471 (1973-12-01), Koehler et al.
patent: 3841087 (1974-10-01), Kikuchi

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