Watch with an analog display device the dial of which is formed

Details Watch with an analog display device the dial of which is formed Watch with an analog display device the dial of which is formed

1982-09-29

1984-12-18

Roskoski, Bernard

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

368 84, 368242, G04B 1904, G04B 1906

Patent

active

044888180

ABSTRACT:
A watch display comprises time display hands (3, 4) and a reflecting digital display (5) which acts as dial for the hands, the display being transparent under the effect of an electric field and opaque in the absence of the field.

REFERENCES:
patent: 4247930 (1981-01-01), Martin
patent: 4326279 (1982-04-01), Shanks
patent: 4342030 (1982-07-01), Shanks
patent: 4355380 (1982-10-01), Huguenin et al.
patent: 4413915 (1983-11-01), Besson
Sun Lu, "Continuous Display Technologies for Electronic Watches", Wescon Conference, 1977 pp. 1-10.

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