Means of setting a solid state watch

Details Means of setting a solid state watch Means of setting a solid state watch

1978-08-11

1980-07-01

Truhe, J. V.

Horology: time measuring systems or devices

Regulating means

For setting

368 61, 368190, G04C 900

Patent

active

042099765

ABSTRACT:
A rotate switch mechanism for actuating time correction displayed by an electronic timepiece comprising a rotatable crown and stem, a toothed wheel rotatably connected to the stem and a switch assembly. The switch assembly contains a switch blade precisely positioned within the periphery of the teeth of the toothed wheel and deflected thereby, with rotation of the crown, to make contact with either of two switch contacts.
Circuitry responsive to each switch closure is provided for incrementally effecting time correction, forward and backward, with clockwise and counterclockwise rotation of the crown, respectively.

REFERENCES:
patent: 3391258 (1968-07-01), Virnoche
patent: 3841081 (1974-10-01), Komaki
patent: 4044543 (1977-08-01), Ikehata et al.
patent: 4135359 (1979-01-01), Yajima

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