Apparatus for electronically correcting an electronic timepiece

Details Apparatus for electronically correcting an electronic timepiece Apparatus for electronically correcting an electronic timepiece

1989-04-19

1991-05-14

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With mechanical or electromechanical driven display

368 74, 368187, G04B 1904, G04B 2708

Patent

active

050162314

ABSTRACT:
An electronically correcting electronic timepiece is provided having indicating hands for indicating the time of day or the passage of time. At least one step motor is provided for driving the indicator. A correction signal forming circuit produces drive pulses for driving the step motor to correct the indicator. A control circuit controls the correction signal forming circuit to accelerate and decelerate the indicator in a step manner during correction of the indicator.

REFERENCES:
patent: 4275463 (1981-06-01), Ishida
patent: 4357693 (1982-11-01), Plancon et al.
patent: 4382686 (1983-05-01), Giger et al.
patent: 4445785 (1984-05-01), Chambon et al.
patent: 4623261 (1986-11-01), Muto
patent: 4652140 (1987-03-01), Nakazawa

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