Electronically controlled timepieces using liquid crystal displa

Details Electronically controlled timepieces using liquid crystal displa Electronically controlled timepieces using liquid crystal displa

1974-03-06

1976-07-20

Jackmon, Edith Simmons

58127R, G04B 1930, G04B 1906

Patent

active

039698874

ABSTRACT:
An electronic timepiece comprising a time indicating body which is composed of a multitude of liquid crystal display elements arranged in hour indicating sections and minute indicating sections respectively, said display elements for hour indication being activated to be turned ON one after another, said display elements for minute indication being activated to be turned ON successively and accumulatively in response to the application of controlled electric signals transmitted from an electronic circuitry for driving said display elements, said hour and minute indications creating various display patterns on the surface of said indicating body so that the time is indicated analogically by said display patterns with time information.

REFERENCES:
patent: 3505804 (1970-04-01), Hofstein
patent: 3540209 (1970-11-01), Zatsky et al.
patent: 3731986 (1973-05-01), Fergason
patent: 3772874 (1973-11-01), Lefkowitz
patent: 3839857 (1974-10-01), Berets
patent: 3841083 (1974-10-01), Bergey
patent: 3861135 (1975-01-01), Seeger et al.

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