Electronic timepiece

Details Electronic timepiece Electronic timepiece

1986-02-13

1987-07-07

Roskoski, Bernard

Horology: time measuring systems or devices

Chronological

With manually actuated display

368 10, 368187, G04C 1700

Patent

active

046783440

ABSTRACT:
Is disclosed an electronic watch which conducts switch operation by rotating the annular dial of the outer case, wherein the rotation direction and the rotation position of the annular dial is made possible to detect accurately by providing electric pattern on the reverse side of the annular dial and a switch pin on the body side of the watch whereby a large number of modes are establishable.

REFERENCES:
patent: 4086654 (1978-04-01), Ido et al.
patent: 4209976 (1980-07-01), Flumm
patent: 4246650 (1981-01-01), Moritani et al.
patent: 4253177 (1981-02-01), Hafner
patent: 4451159 (1984-05-01), Tanaka

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