Arrangement of analog-type electronic wristwatch

Details Arrangement of analog-type electronic wristwatch Arrangement of analog-type electronic wristwatch

1981-03-24

1984-10-23

Roskoski, Bernard

Horology: time measuring systems or devices

Power supply details

Electrical

368 88, 368203, G04C 2302

Patent

active

044785240

ABSTRACT:
An analog-type electronic wristwatch structure comprising a main plate having a central area and first to third areas surrounding the central area. A wheel train mechanism is disposed in the central area, and a time correction mechanism is disposed in the first area. An electronic circuit block is disposed in the second area, and an electromechanical transducer is disposed in the third area. A flat battery is disposed over the wheel train mechanism, the time correction mechanism, the electronic circuit block and the electromechanical transducer.

REFERENCES:
patent: 3810354 (1974-05-01), Naikaido et al.
patent: 3945193 (1976-03-01), Yasuda et al.
patent: 4087957 (1978-05-01), Miyasaka et al.
patent: 4161864 (1979-07-01), Ganter
patent: 4198809 (1980-04-01), Misaka et al.
patent: 4228389 (1980-10-01), Vennard
patent: 4251604 (1981-02-01), Umemoto
patent: 4296448 (1981-10-01), Nakayama
patent: 4362396 (1982-12-01), Perrot

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