Optical loop attenuator simulating an optical system

Details Optical loop attenuator simulating an optical system Optical loop attenuator simulating an optical system

1986-07-31

1988-04-05

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356 731, 350 962, H01J 516, H01J 4014, G01N 2100

Patent

active

047361000

ABSTRACT:
A simulator in the form of a loop back optical attenuator 10 intermates with an optical connector 6 and has an exterior surface 13 facing an optical emitter 4 and an optical detector 5 and is constructed to reflect optical emission from the emitter 4 to the detector 5 for test purposes.

REFERENCES:
patent: 3252377 (1966-05-01), Kentes
patent: 3617107 (1971-11-01), Chu
patent: 3628039 (1971-12-01), Ochs
patent: 3745325 (1973-07-01), Harvey
patent: 3999837 (1975-01-01), Bowen et al.
patent: 4081258 (1978-05-01), Goell et al.
patent: 4497575 (1985-02-01), Philipp
patent: 4657397 (1987-04-01), Oehler et al.

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