Electronic timepiece

Details Electronic timepiece Electronic timepiece

1980-03-11

1981-06-23

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With significant casing or mounting support structure

G04C 2302

Patent

active

042754623

ABSTRACT:
An electronic timepiece has a variable capacitor for adjustment of the rate of the timepiece by varying the oscillation frequency of an oscillator of the timepiece. One of the electrodes of the variable capacitor is constituted by an area of one of the conductive tracks of a printed circuit of the timepiece. The other electrode of this capacitor is constituted by a layer of a conductive material carried by an insulating pellet secured to the end of a metal arm pivotally mounted on the printed circuit substrate and which is electrically connected to the earth or "ground" of the timepiece circuit. The capacitance of the capacitor formed in this manner varies with the position of the pellet with respect to said area providing said one electrode.

REFERENCES:
patent: 4045953 (1977-09-01), Miyazaki

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