Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1976-09-13
1978-05-23
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250227, 250231P, G01D 534
Patent
active
040912809
ABSTRACT:
Apparatus is disclosed for remotely sensing the mechanical position of one r more objects in an electrical inferference sensitive environment, such as the landing gear of an aircraft of the like in which is utilized a passive, fiber optic transmission system having means for testing the continuity of the system to enhance safety and reliability.
REFERENCES:
patent: 3399347 (1968-08-01), Martens
patent: 3502892 (1970-03-01), Brittain
patent: 3771325 (1973-11-01), Sweeney et al.
patent: 3781092 (1973-12-01), Sussman et al.
patent: 3940608 (1976-02-01), Kissinger et al.
patent: 3947088 (1976-03-01), French
patent: 3960017 (1976-06-01), Romanowski
Ellis John R.
Forman Donald B.
Holma Gary M.
Nelms David C.
Rubens G. J.
Sciascia R. S.
Sunderdick Vincent J.
The United States of America as represented by the Secretary of
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