Electronic watch

Details Electronic watch Electronic watch

1982-02-16

1984-05-29

Weldon, Ulysses

Horology: time measuring systems or devices

Chronological

With manually actuated display

368187, 368200, G04C 1700

Patent

active

044511590

ABSTRACT:
A multi-mode electronic timepiece includes a case body on which an annular dial is mounted for angular stepwise displacement. A circuit board is mounted within the case body and includes a plurality of angularly spaced-apart switch terminal patterns connected to circuitry for generating different mode signals depending on which of the switch terminal patterns are actuated. A plurality of switches are disposed adjacent respective ones of the switch terminal patterns and each switch includes a movable rod movable between first and second positions to actuate or not actuate its respective switch terminal pattern. The underside of the annular dial is provided with a plurality of angularly spaced-apart camming portions which are suitably located to cam the switch rods in response to manual angular stepwise displacement of the dial to actuate selected ones of the switches to accordingly actuate selected ones of the switch terminal patterns and produce a corresponding mode signal. The number of camming portions on the dial is greater than the number of switches and switch terminal patterns so that depending on the angular position of the dial, different combinations of switch terminal patterns will be actuated to produce a mode signal corresponding to the selected position of the dial.

REFERENCES:
patent: 4019037 (1977-04-01), Monna
patent: 4086654 (1978-04-01), Ido et al.
patent: 4300204 (1982-11-01), Maeda et al.

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