Radiant energy – Photocells; circuits and apparatus – Signal isolator
Patent
1985-06-10
1987-12-29
Sikes, William L.
Radiant energy
Photocells; circuits and apparatus
Signal isolator
455602, G02B 2700
Patent
active
047162970
ABSTRACT:
An electrical switching system comprising a relay having a photoelectric element comprising a photodiode, with first and second electrodes and a photosensitive portion. The photosensitive portion is responsive to optical stimulation for electrically coupling the first and second electrodes, permitting transmission of electrical current between them whereby the relay can be connected to a source of electrical power. The electrical switching system comprises a pair of such relays which cooperate through optical signals to operate the switch system. Also a part of the switching system is an optical rotary switch for controlling the operation of the switch system. A further aspect of the disclosed invention comprises a nuclear power generating apparatus including a monitoring arrangement operated by the electrical switching system of this invention.
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Betthauser Joseph L.
Wills Harry D.
General Electric Company
Gonzalez Frank
Schroeder R. R.
Sikes William L.
Simkins Raymond G.
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