Electro-optical analog digital display

Details Electro-optical analog digital display Electro-optical analog digital display

1980-06-10

1982-03-16

Miska, Vit W.

Horology: time measuring systems or devices

Displays or display device details

Optical

368240, 368 71, 340754, G04C 1700

Patent

active

043204848

ABSTRACT:
A simultaneous analog digital timepiece display comprises two superposed passive electro-optical cells one of which provides analog information and the other digital information. The timepiece is arranged and adapted such that the two types of information displayed are never directly superimposed. Such result is obtained through the provision of three zones for the digital display cell wherein one only of said zones is activated at any one time, such activated zone being chosen so as not to coincide with the position of the analog display hands.

REFERENCES:
patent: 3911665 (1975-10-01), Van Berkum
patent: 3938134 (1976-02-01), Hackstein et al.
patent: 4095405 (1978-06-01), Tanaka
Patent Abstracts of Japan, vol. 1, No. 103, Sep. 13 1977, p. 3250 E77.
Patent Abstracts of Japan, vol. 3, No. 54, (E-109), May 10 1979, p. 53 E . 9

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