Switch structure for electronic timepiece

Details Switch structure for electronic timepiece Switch structure for electronic timepiece

1978-02-10

1981-03-17

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With manually actuated display

368 74, 368 80, 368 82, 368232, 368251, G04C 1700, G04B 2302, G04B 1904

Patent

active

042571154

ABSTRACT:
A switch structure for an analog quartz crystal timepiece having a watchglass plate, a time dial to display time in an analog mode, and a digital display device, which switch structure comprises a plurality of transparent electrically conductive electrode films provided on the watchglass plate at positions corresponding to numerical display indicia on the time dial to permit generation of input signals corresponding to the numerical display indicia, respectively.

REFERENCES:
patent: 3757322 (1973-09-01), Barkan
patent: 3813533 (1974-05-01), Cone
patent: 3945191 (1976-03-01), van Berkum
patent: 4017848 (1977-04-01), Tannas
patent: 4055755 (1977-10-01), Nakamura
patent: 4077032 (1978-02-01), Volkman
patent: 4091610 (1978-05-01), Sasaki
patent: 4120036 (1978-10-01), Maeda

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