Arrangement of analog-type electronic wristwatch

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

1981-03-24

1984-10-16

Roskoski, Bernard

Horology: time measuring systems or devices

Chronological

With significant casing or mounting support structure

368203, 368204, G04C 2302

Patent

active

044771959

ABSTRACT:
An analog-type electronic wristwatch structure, in which a main plate is made of an insulating material and has one side including a first area formed with a cutout, and second and third areas. A wheel train bridge is secured to one side of said main plate above said cutout to form therein a space, and a wheel train mechanism is disposed in said space. A flexible circuit board is disposed in the second area of said main plate and has its lower surface facing said main plate, said lower surface being provided with a printed circuit pattern. The flexible circuit board carries electronic components composed of at least a time base vibrator and an IC chip. An electromechanical transducer drive coil is disposed in the third area of said main plate. The main plate has recesses for accommodating at least portions of said electronic components.

REFERENCES:
patent: 4095412 (1978-06-01), Burke
patent: 4143507 (1979-03-01), Ganter et al.
patent: 4196577 (1980-04-01), Ohno et al.
patent: 4241436 (1980-12-01), Bolzt et al.
patent: 4249251 (1981-02-01), Wuthrich
patent: 4272838 (1981-06-01), Kasama et al.
patent: 4351040 (1982-09-01), Aoki
patent: 4392748 (1983-07-01), Yoshino

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