Electronic timepiece with negative resistance light emitting ele

Details Electronic timepiece with negative resistance light emitting ele Electronic timepiece with negative resistance light emitting ele

1976-03-17

1979-04-17

Witkowski, Stanley J.

58127R, G04C 1700

Patent

active

041493680

ABSTRACT:
A time calculation ring counter is made of a plurality of negative resistance light emitting elements, which provide display of current time information. In a preferred form, a plurality of GCR's (gallium arsenide gate controlled rectifiers) or a plurality of GND's (gallium arsenide negative resistance light emitting diodes) are aligned in a circular fashion on a display panel of an electronic timepiece. The GCR's or GND's function to either calculate the time information or indicate the time information.

REFERENCES:
patent: 3258906 (1966-07-01), Demby
patent: 3742699 (1973-07-01), Bergey
patent: 3894389 (1975-07-01), Miura et al.
patent: 3922847 (1957-12-01), Culley et al.
patent: 3955354 (1976-05-01), Kilby et al.

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