Digital watch with elastomer housing block and flexible printed

Details Digital watch with elastomer housing block and flexible printed Digital watch with elastomer housing block and flexible printed

1974-09-16

1976-07-13

Weldon, Ulysses

58 23R, 58 23BA, C04B 1934

Patent

active

039686400

ABSTRACT:
A digital watch having an elastomer spacer block which houses the watch batteries, the oscillator crystal, and the substrate with its electronics and optical display elements mounted thereon; all in the same cavity. Said digital watch also has a flexible printed circuit which contacts the batteries and electrically connects them to the watch electronics. The flexible printed circuit is also used to turn on and to set the time by grounding the contact on the printed circuit to the case.

REFERENCES:
patent: 3624325 (1971-11-01), Horn
patent: 3778999 (1973-12-01), Vuffray
patent: 3784725 (1974-01-01), Perkins et al.
patent: 3800525 (1974-04-01), Bergey
patent: 3803827 (1974-04-01), Roberts
patent: 3838568 (1974-10-01), Zurcher et al.
patent: 3884033 (1975-05-01), Wood
Malco Bulletin 705, 1970, 4 pp.

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