Horologic instruments with random timing source

Details Horologic instruments with random timing source Horologic instruments with random timing source

1976-07-06

1979-06-19

Witkowski, Stanley J.

58 23R, G04C 300

Patent

active

041582861

ABSTRACT:
An electronic horologic instrument, such as an electronic watch or clock, utilizes randomly-generated energy to produce electrical pulses in synchronism with the generated energy. The electrical pulses are counted until a predetermined count is reached. When this occurs, the timekeeping circuitry is stepped by a unit of time such as one second or some other convenient fraction thereof. The electrical pulses produced, although random over a short time period, have an average rate over a long time period that follows well-established statistics, to provide a horologic instrument with an acceptable degree of accuracy.

REFERENCES:
patent: RE26958 (1970-09-01), Lazrus et al.
patent: 2998550 (1961-08-01), Collins et al.
patent: 3582656 (1971-06-01), Koehler
patent: 3724201 (1973-04-01), Bergey
patent: 3950935 (1976-04-01), Naito

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