Time adjusting system for an electronic timepiece

Details Time adjusting system for an electronic timepiece Time adjusting system for an electronic timepiece

1975-12-11

1977-08-30

Schaefer, Robert K.

58 23R, G04B 2700

Patent

active

040445470

ABSTRACT:
A time adjusting system for an electronic timepiece has a discriminating circuit for discriminating between an advanced signal appearing during the first 30 seconds of a minute and a delayed signal appearing during the latter 30 seconds of the minute. In the advanced state, the supply of 1 HZ pulses to the time-measuring device is temporarily stopped for a time equivalent to the duration of the advanced time thereby delaying the time. In the delayed state, time adjusting pulses higher in frequency than the 1 HZ pulses are supplied to the time-measuring device in a number equal to the duration of the delayed time thereby advancing the time.

REFERENCES:
patent: 3643418 (1972-02-01), Rolin et al.
patent: 3733803 (1973-05-01), Hiraga
patent: 3810356 (1974-05-01), Fujita
patent: 3889460 (1975-06-01), Yasukawa
patent: 3948035 (1976-04-01), Kusumoto

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