Impulse clock system

Details Impulse clock system Impulse clock system

1994-07-13

1995-08-15

Miska, Vit W.

Horology: time measuring systems or devices

Plural timepiece system or system device

368 52, 368 59, 368187, G04C 1100, G04C 1304

Patent

active

054425999

ABSTRACT:
A master secondary clock system of the analog impulse type consisting of separate motor driven secondary clocks and a master control unit. The secondary clocks can be set at any time by an appropriate signal from the master clock so that even widely scattered secondary clocks can be brought at any time to the correct time. In one disclosed embodiment, the secondary clocks are moved by a series of rapid pulses form the master clock to a predetermined known time, the secondary clocks are brought into registry, the master clock calculates the time disparity between the registration time and the real time, and the secondary clocks are moved in unison to the real time. In another disclosed embodiment in which each secondary clock includes a microprocessor, an encoded digital signal representing the real time is transmitted to the secondary clocks, the secondary clocks move to a predetermined known time, a microprocessor in each secondary clock calculates the time disparity between the known time and the real time upon arrival of the second clock at the known time, and the secondary clocks thereafter move to the real time.

REFERENCES:
patent: 3011078 (1961-11-01), Reynolds, Jr.
patent: 3137121 (1964-06-01), Tringali
patent: 3469390 (1969-09-01), Zimmer
patent: 3490225 (1970-01-01), Duris et al.
patent: 3732685 (1973-05-01), Haydon
patent: 3739568 (1973-06-01), Van Haaften
patent: 3889461 (1975-06-01), Marti et al.
patent: 3902311 (1975-09-01), Chacon et al.

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