G - Physics
01
N
340/155, 73/53
G01N 21/84 (2006.01) G01M 11/00 (2006.01) G01M 11/08 (2006.01) G02B 6/42 (2006.01)
Patent
CA 1234897
TEST INSTRUMENT Abstract of the Disclosure A battery powered portable test instrument for detecting whether light is propagating in an optical fiber has a jaw into which the fiber is placed, the jaw being closable to press a section of the fiber into a bend having predetermined radius of curvature. If light is propagating through the fiber it is scattered and detected in a detection circuit. If the detected light is greater than the predetermined threshold, an indicator circuit is energized. - i -
491314
Hughes Richard P.
Huszarik Fred A.
Mariani Renato
So Vincent C.
Vella Paul J.
Junkin Charles William
Northern Telecom Limited
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