Optical fiber display device

Details Optical fiber display device Optical fiber display device

1975-02-19

1976-06-08

Caldwell, John W.

Communications: electrical

Audible indication

Ultrasonic pest control

350 96C, G08B 500, G02B 914

Patent

active

039627020

ABSTRACT:
In order to confine radiation from an optical fiber display device within a specified angle, a light-transmitting cone is provided either at the input or output end of a set of fibers. The cone can be solid or constructed of conical fibers. The input can be filtered or switched.

REFERENCES:
patent: 2589569 (1952-03-01), Peter et al.
patent: 2672288 (1954-03-01), Perrin
patent: 2992587 (1961-07-01), Hicks et al.
patent: 3874780 (1975-04-01), Love

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