Energy system for electronic watch

Details Energy system for electronic watch Energy system for electronic watch

1980-11-10

1982-03-16

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With supplemental power source

368 66, 368204, 320 61, G04B 100, H02J 700

Patent

active

043204775

ABSTRACT:
An energy system for powering an electronic watch having a digital or analog time display, the system comprising a primary power source, such as a thermoelectric generator or solar cell, whose output is fed to an energy converter to produce an operating voltage for the electronic circuits and time display of the watch. The system further includes a buffer accumulator that is charged by the energy converter and acts to maintain the operation voltage when the primary source is inactive, thereby providing an uninterrupted supply of operating voltage. The watch also includes a status indicator which senses the prevailing condition of the energy system to produce a signal indicative thereof perceptible to the user of the watch.

REFERENCES:
patent: Re29637 (1978-05-01), Takamune et al.
patent: 3214670 (1965-10-01), Schaf
patent: 3998043 (1976-12-01), Tamaru et al.
patent: 4006583 (1977-02-01), Vuilleumier
patent: 4106279 (1978-08-01), Martin et al.
patent: 4137493 (1979-01-01), Smith
patent: 4144704 (1979-03-01), Portmann
patent: 4165477 (1979-08-01), Comte
patent: 4182110 (1980-01-01), Kamiwaki et al.
patent: 4223522 (1980-09-01), Nomura et al.

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