Method of automatic adjustment of self-contained radio-clock by

Details Method of automatic adjustment of self-contained radio-clock by Method of automatic adjustment of self-contained radio-clock by

1981-06-11

1984-04-03

Roskoski, Bernard

Horology: time measuring systems or devices

Plural timepiece system or system device

With wireless synchronization

368202, G04C 1102

Patent

active

044405014

ABSTRACT:
A time measuring method is combined with an automatic rate correction process in a digital or quasianalog clock; a clock rate deviation is repeatedly measured, in a predetermined lock-in-range, derived from the clock oscillator frequency, by means of a time mark received from a transmitter; the deviation data are stored and used for correcting the clock rate and the oscillator frequency whereby the stored data are maintained until the arrival of the next time mark.

REFERENCES:
patent: 3772258 (1973-03-01), Besson et al.
patent: 3852953 (1974-12-01), Mischiatti
patent: 4014166 (1977-03-01), Cateora et al.
patent: 4114363 (1978-09-01), Imamura
patent: 4117661 (1978-10-01), Bryant, Jr.
patent: 4128991 (1978-12-01), Robert-Grandpierre
patent: 4204167 (1980-05-01), Lim
Funkschau, 1979, Copy 26 pp. 99-103 "Funkyhr Mit Mitternachsvetekektor."

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