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Primary Examiner: Weldon, Ulysses
Assistant Examiner:
Attorney: Konzem; Fay I., MacAllister; W. H.

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Title: Digital watch with elastomer housing block and flexible printed circuitry

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.

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Inventors: Clemmer, Paul J. (Huntington Beach, CA, US)
Burke, Roger A. (Laguna Beach, CA, US)

Application Number: 506621
Filing Date: 1974-09-16
Publication_date: 1976-07-13
Assignee: Hughes Aircraft Company (Culver City, CA)
Primary Class(es): 368/69 368/204, 368/280, 368/316, 968/503, 968/878, 968/DIG1
Other Classes:
US Patent Ref:

3624325	Nov, 1971	Horn	200/266.
3778999	Dec, 1973	Vuffray	58/23.
3784725	Jan, 1974	Perkins et al.	58/23.
3800525	Apr, 1974	Bergey	58/50.
3803827	Apr, 1974	Roberts	58/58.
3838568	Oct, 1974	Zurcher et al.	58/23.
3884033	May, 1975	Wood	58/23.

Other Refs: Other References: Malco Bulletin 705, 1970, 4 pp.