Optical fibers

Details Optical fibers Optical fibers

1980-06-30

1981-07-21

Caldwell, Sr., John W.

Communications: electrical

Audible indication

Ultrasonic pest control

362 32, G08B 500, G09F 1912, F21V 704

Patent

active

042801222

ABSTRACT:
Free parallel ends of optical fibers are spaced apart between a viewing window of the one way type disposed to provide an inner reflective surface and a rear facing mirror in back of which the fibers are bundled against which light of constantly changing color is directed. While some free filament ends may be stationary, others are subject to displacement in a manner such that their lit ends appear as pin points of light moving in space.

REFERENCES:
patent: 1351562 (1920-08-01), Foster
patent: 2227861 (1941-01-01), Petrone
patent: 3431410 (1969-03-01), Dolan et al.
patent: 3536908 (1970-10-01), Oster
patent: 3662381 (1972-05-01), Steffens
patent: 3786500 (1974-01-01), Fiorletta et al.
patent: 3836911 (1974-09-01), Gibson et al.
patent: 3962702 (1976-06-01), Kriege
patent: 4035215 (1977-07-01), Goldstone
patent: 4097917 (1978-06-01), McCaslin

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