Electronic alarm watch

Details Electronic alarm watch Electronic alarm watch

1973-12-26

1976-03-30

Hix, L. T.

58 575, 58152B, 58 23R, 58 50R, G04C 2100

Patent

active

039465497

ABSTRACT:
An electronic timepiece having a pulse generator for producing a high frequency time standard signal for a first divider circuit producing first low frequency timing signals in response to said time standard signal with logic means controlling said time standard signal in a second divider circuit at programmed times for producing second low frequency time signals, said first low frequency time signals and said second low frequency time signals being connected to comparative means to activate an alarm means when aligned.

REFERENCES:
patent: 3646751 (1972-03-01), Purland et al.
patent: 3664116 (1972-05-01), Emerson et al.
patent: 3745761 (1973-07-01), Tsuruishi
patent: 3822547 (1974-07-01), Fujita
Beuscher, et al. "Electronic Switching Theory and Circuits", Van Nostrand Reinhold Co., New York, 1971, pp. 49-50.

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