Watch module

Details Watch module Watch module

1977-01-28

1979-08-28

Witkowski, Stanley J.

58 23BA, 58 23V, G04C 300, G04C 1700

Patent

active

041656075

ABSTRACT:
An improved electronic watch module structure includes a chassis member having an egg-crate configuration. A substrate having electronic watch components and conductors mounted thereupon has a piezoelectric crystal elememt mounted on it. The substrate is contained by the chassis member. A portion projecting from one of the side walls of the chassis contains a cavity, and the cavity and a portion of the substrate integrally form a hermetically sealed chamber for the piezoelectric crystal element.

REFERENCES:
patent: 3917966 (1975-11-01), Mizutani et al.
patent: 3968640 (1976-07-01), Clemmer et al.
patent: 3986334 (1976-10-01), Harper
patent: 3986335 (1976-10-01), Harper
patent: 4041213 (1977-08-01), Schneider
patent: 4044542 (1977-08-01), Burke
patent: 4045953 (1977-09-01), Miyazaki
patent: 4068464 (1978-01-01), Barnett et al.

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