Electronic wristwatch with generator

Details Electronic wristwatch with generator Electronic wristwatch with generator

1989-01-25

1990-07-03

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With supplemental power source

368204, 320 21, G04B 100, H01M 1046

Patent

active

049397079

ABSTRACT:
An electronic wristwatch having an electric generator contained internally therein is provided. The generator converts energy from mechanical to electrical energy to drive the electronic wristwatch. The oscillation of an oscillating weight produces mechanical energy as it oscillates. A wheel train transmits the mechanical energy to the generator by applying a torque to the generator. A limiter prevents transmission of mechanical energy through the wristwatch when the torque to be applied to the generator exceeds a predetermined value and allows the mechanical energy to be transmitted when the torque to be applied to the generator is less than or equal to the predetermined value.

REFERENCES:
patent: 3984972 (1976-10-01), Yoshino
patent: 4091302 (1978-05-01), Yamashita
patent: 4644246 (1987-02-01), Knapen
patent: 4653931 (1987-03-01), Takeda

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