Luminous clock display using optical fibers

Details Luminous clock display using optical fibers Luminous clock display using optical fibers

1980-03-14

1981-07-14

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With electro-optical display

368239, 340380, G04C 1900, G08B 500

Patent

active

042790310

ABSTRACT:
A clock is provided having a luminous digital display. The clock is enclosed in a housing having a glass covered display face. A stationary light source is provided within the housing. The first end of each of a plurality of optical fiber light conductors are mounted in annular concentric bands on a mounting board inside of the clock. The second end of each of the optical fiber light conductors are arranged in a pattern on the display face to indicate time. The light guides receive light from the light source and cause illumination of the display. Filters are mounted on arms which are in turn rotatably attached to the output shafts of a clock motor. The arms are disposed in such position that the filters come between the light source and the first ends of a group of light conductors as the filters rotate, filtering the light received by that group of conductors, and creating a colored display of time information at the second ends.

REFERENCES:
patent: 2547468 (1951-04-01), Hussey
patent: 3525209 (1970-08-01), Ladas
patent: 3562746 (1971-02-01), Aron
patent: 3566602 (1971-03-01), Bergey et al.
patent: 3593517 (1971-07-01), Knippler
patent: 3651634 (1972-03-01), Cooper
patent: 3775964 (1973-12-01), Fukumoto
patent: 3962702 (1976-06-01), Kriege

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