Miniature electronic watch switch

Details Miniature electronic watch switch Miniature electronic watch switch

1974-12-12

1976-06-01

Schaefer, Robert K.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 11A, 58 23R, H01H 1958

Patent

active

039611450

ABSTRACT:
An extremely small time-setting switch adapted for mounting in a hole in the case of an electronic watch and having a coin slot whereby it may be rotated to any one of a plurality of operating positions including a "run" position, a "stop" position, a "minutes change" position, and an "hours change" position. The switch is provided with a generally annular detent structure affording clearance at its middle for the movable contact and affording a better feel including an audible click when rotated into each of its several operating positions and the stationary parts of the switch are locked to one another to prevent movement when the rotary knob is turned in a structure affording an extremely thin, flat package adapted to be staked into the watch case.

REFERENCES:
patent: 2980770 (1961-04-01), Nabstedt
patent: 3300594 (1967-01-01), Paine et al.
patent: 3699279 (1972-10-01), Lockard et al.
patent: 3736390 (1973-05-01), Lockard

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