Multiplex digital clock

Details Multiplex digital clock Multiplex digital clock

1984-03-30

1986-07-01

Roskoski, Bernard

Horology: time measuring systems or devices

Chronological

With electro-optical display

368241, G04C 1900

Patent

active

045976740

ABSTRACT:
Different from a standard digital display utilizing separate digits for seconds, minutes and hours, an electronic timepiece which uses tow digits composed of triads of red, green and yellow L.E.D.s. Each L.E.D. color is synchronically sequenced and each period of display is for one-third of a second. Each color L.E.D. is dedicated to a particular element of time, i.e., red represents second, yellow represents minutes and green represents hours.

REFERENCES:
patent: 3922847 (1975-12-01), Culley et al.
patent: 3955354 (1976-05-01), Kilby et al.
patent: 4074515 (1978-02-01), Asano

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