Circuit block for an electronic watch

Details Circuit block for an electronic watch Circuit block for an electronic watch

1974-11-14

1976-05-25

Jackmon, Edith Simmons

58 55, G04C 300, G04B 2700

Patent

active

039584089

ABSTRACT:
A circuit block for an electronic watch comprises a time standard circuit, that is a timing module and a regulating element. The time standard circuit unit includes an oscillator, an oscillating circuit, a divider and a driving circuit all of which are collectively sealed in a vacuum or evacuated case. The regulating element serves to regulate the period of output signals from the time standard circuit unit at a value to be required. The time standard circuit unit and the regulating element are mounted on the same substrate.

REFERENCES:
patent: 3759031 (1973-09-01), McCullough
patent: 3800523 (1974-04-01), Yamazaki

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