Electronic timepiece having a digital frequency correction circu

Details Electronic timepiece having a digital frequency correction circu Electronic timepiece having a digital frequency correction circu

1982-09-22

1983-10-11

Truhe, J. V.

Horology: time measuring systems or devices

Regulating means

For adjusting the frequency or beat

368201, 368202, G04C 300, G04C 900, H03K 117

Patent

active

044088973

ABSTRACT:
An electronic timepiece comprising a rate correction circuit for modifying the number of time base pulses received by the frequency divider during a predetermined period of time by a predetermined number of correction pulses. The rate correction circuit is arranged to divide said period of time into a given number of sub-periods and to distribute correction pulses substantially and equally over these sub-periods.

REFERENCES:
patent: 4117663 (1978-10-01), Mosimann et al.
patent: 4147022 (1979-04-01), Ichikawa
patent: 4150536 (1979-04-01), Nakajima et al.
patent: 4154053 (1979-05-01), Chetelat et al.
patent: 4155218 (1979-05-01), Wiget
patent: 4173863 (1979-11-01), Motoki et al.
patent: 4176517 (1979-12-01), Yoshida
patent: 4199726 (1980-04-01), Bukosky et al.
patent: 4225824 (1980-09-01), Sekine et al.
patent: 4254494 (1981-03-01), Maeda
patent: 4264968 (1981-04-01), Suzuki et al.

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