Time signal clock

Details Time signal clock Time signal clock

1976-10-04

1978-07-04

Witkowski, Stanley J.

58 13, 58 19A, 58 19B, 58 19C, 58 2112, 58152A, 58152B, G04C 1702, G04C 2114, G04C 2130

Patent

active

040980715

ABSTRACT:
A time signal clock is equipped with a time indicating graduation, a dividing circuit for dividing a standard oscillation frequency, a drive for time indication provided with an electronic circuit for driving a pointer over the time indicating graduation by the signal from the dividing circuit, a time detecting device provided with a time detecting circuit for detecting a set time, a time signal electronic circuit receiving as its input signal the output signal from the time detecting device and a time signal device operated by the signal from the time signal electronic circuit.

REFERENCES:
patent: 890134 (1908-06-01), Gaillard
patent: 3407402 (1968-10-01), Morrison et al.
patent: 3631451 (1971-12-01), Schmitt
patent: 3681916 (1972-08-01), Itoyama et al.
patent: 3728855 (1973-04-01), Preiser
patent: 3747331 (1973-07-01), Nyberg
patent: 3759029 (1973-09-01), Komaki
patent: 4055843 (1977-10-01), Whitaker

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