Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1988-05-24
1990-02-06
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250225, 356 731, G01N 2188
Patent
active
048990450
ABSTRACT:
An optical system for individually testing each one of a plurality of fibers for continuity. Each fiber having a proximal end and a distal end with a dichroic reflector at each distal end reflective of wavelengths respective to a source of testing light and transmissive to other wavelengths. The selection of which fiber is to be tested is only a matter of manipulating a rotator element which has the capacity to rotate the angle of polarization by 90 degrees. The polarization of the light determines the respective fiber to be tested.
REFERENCES:
patent: 4397551 (1983-08-01), Bage et al.
Hi-Shear Corporation
Mon Donald D.
Westin Edward P.
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