External operation device for electronic timepieces

Details External operation device for electronic timepieces External operation device for electronic timepieces

1979-03-14

1981-03-31

Truhe, J. V.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

20052R, 200302, 368278, 368291, H01H 926, H01H 904, H01H 1306

Patent

active

042595517

ABSTRACT:
An external operation device for electronic timepieces having a switch unit made up of an array of a plurality of electric switches is inserted in an external member of a timepiece and said electric switches being electrically connected to an internal module.

REFERENCES:
patent: 3699294 (1972-10-01), Sudduth
patent: 3860771 (1975-01-01), Lynn et al.
patent: 3898421 (1975-08-01), Suzumura
patent: 4046975 (1977-09-01), Seeger, Jr.
patent: 4066851 (1978-01-01), White et al.
patent: 4163125 (1979-07-01), Boulanger
patent: 4207443 (1980-06-01), Matsuura

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