Electronic timepiece

Details Electronic timepiece Electronic timepiece

1975-05-22

1977-02-15

Hix, L. T.

58 23R, 58127R, G04B 1924

Patent

active

040075834

ABSTRACT:
The electrooptic display of an electronic timepiece has a total of only twelve indicator elements. Hours are indicated by causing one element to produce one kind of optical output such as steady illumination. Minutes are indicated by causing an element to produce another kind of optical output such as intensity modulated illumination. The particular element selected for intensity modulation is a coarse indication of minutes (5 minute increments); the modulation itself is a fine indication of minutes (1 minute increments). Similar techniques may be employed for indicating the month and day.

REFERENCES:
patent: 3258906 (1966-07-01), Demby
patent: 3456152 (1969-07-01), Anderson
patent: 3540209 (1970-11-01), Zatsky
patent: 3717990 (1973-02-01), Fujita
patent: 3738099 (1973-06-01), Tanaka
patent: 3754392 (1973-08-01), Daniels
patent: 3772847 (1973-11-01), Lefkowitz
patent: 3823549 (1974-07-01), Feldman
patent: 3844105 (1974-10-01), Kashio
patent: 3889458 (1975-06-01), Kashio
patent: 3955354 (1976-05-01), Kilby et al.
patent: 3958409 (1976-05-01), Manber

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