Geometrical instruments
Patent
1975-06-16
1978-06-20
Jackmon, E. S.
Geometrical instruments
58 23BA, 58 52R, 58 55, 58 59, 339 17F, 361398, G04C 300, G04B 2900, G04B 3700, H05K 100
Patent
active
040954129
ABSTRACT:
A flexible printed circuit, located within a digital watch, which provides the interconnection circuitry between the digital watch's electro-optical displays and the electronic components and the batteries and the watch push buttons. The flexible printed circuit consists of a pliable plastic material to which battery contacts, push button contacts, interconnection circuitry (between the batteries, watch push buttons, electronic component, and electro-optical displays), and contacts for the electronic components and displays are affixed.
REFERENCES:
patent: 3778999 (1973-12-01), Vuffray
patent: 3838568 (1974-10-01), Zurcher
patent: 3866406 (1975-02-01), Roberts
patent: 3968640 (1976-07-01), Clemmer
Hughes Aircraft Company
Jackmon E. S.
Konzem Fay I.
MacAllister W. H.
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