Improved quartz watch having a semi-rigid watch case bottom and

Details Improved quartz watch having a semi-rigid watch case bottom and Improved quartz watch having a semi-rigid watch case bottom and

1983-07-05

1985-04-16

Roskoski, Bernard

Horology: time measuring systems or devices

Chronological

With manually actuated display

368224, 368309, 368319, G04C 1700

Patent

active

045112606

ABSTRACT:
Watch constituted by a quartz mechanism, in which the mechanism does not rest on the bottom of the case and comprises a watch time-setting system by electrical contact between the positive pole of a battery and the negative pole of an electronic module containing the time-setting program.
The rear face of the mechanism comprises means directed so as to face the bottom of the watch case, and make an electrical contact between the two said poles.
The bottom of the watch case is produced from a semi-rigid material having a thickness that decreases progressively for its entire length from the case periphery towards its center and increases close to the center to form a projection. The bottom is capable of becoming elastically deformed under a force, so that, the effect of said force exerted on the bottom, actuates the means designed to make a contact between said two poles, for setting the mechanism to the right time.

REFERENCES:
Patents Abstracts of Japan, vol. 6, No. 62 (P-111) (940), dated Apr. 21, 1982.

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