Decoration display device and timepiece comprising such display

Details Decoration display device and timepiece comprising such display Decoration display device and timepiece comprising such display

1997-01-13

1998-04-14

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With electro-optical display

368 84, 368232, 368242, 349113, G04C 1900, G04C 1700, G02F 11343

Patent

active

057401306

ABSTRACT:
Device producing an aesthetic effect by means of a field-effect or charge-effect optical shutter (5), allowing, by the switching of a power source (8), a colored decorative design (11) printed onto a non Lambertian optimized diffuse reflector (12), placed against the back face (5a) of the optical shutter, to be uncovered or masked; timepiece wherein the dial is formed wholly or partly by such a device.

REFERENCES:
patent: 3881809 (1975-05-01), Fergason et al.
patent: 4488818 (1984-12-01), Saurer et al.
patent: 4519679 (1985-05-01), Horikiri et al.
patent: 5153760 (1992-10-01), Ahmed
patent: 5617231 (1997-04-01), Vinouze et al.

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