Time correcting device for electronic timepiece

Details Time correcting device for electronic timepiece Time correcting device for electronic timepiece

1978-02-02

1980-04-08

Jackmon, Edith S.

Horology: time measuring systems or devices

Regulating means

For setting

G04B 2700, G04C 300

Patent

active

041965841

ABSTRACT:
A pulse generating means is adapted to be rotated in either direction by a manual operation and to produce a plurality of trains of pulse signals the frequencies of which are varied in accordance with the speed of rotation. The pulse trains have different phase differentials which are inverted when the direction of the rotation of the pulse generating means is reversed. Either the up counting mode or the down counting mode of an up-and-down counter is selected in accordance with the output from the pulse generating means, so as to correct the contents of the counter by an addition or a subtraction.

REFERENCES:
patent: 4086755 (1978-05-01), Ueda
patent: 4091612 (1978-05-01), Meisner

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