Discrimination apparatus for extracting maximum-value output fro

Details Discrimination apparatus for extracting maximum-value output fro Discrimination apparatus for extracting maximum-value output fro

1980-02-29

1982-07-27

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307357, 307362, 307311, 328137, 328148, H03K 524

Patent

active

043419615

ABSTRACT:
A channel discrimination apparatus comprises a plurality of photocouplers each consisting of an electroluminescent element and a photoelectric element, and transistors, whereby the extraction of the potential of the signal of the maximum potential is effected by means of an OR circuit formed by connection of the output terminals of the electroluminescent elements and the indexing of the channel transmitting the signal of the maximum potential is effected by virtue of the signal issued from the output terminal of the particular transistor which produces a switching action on reception of the bias signal in consequence of the operation of the corresponding photoelectric element to be produced in response to the emission of light from the corresponding electroluminescent element.

REFERENCES:
patent: 3619791 (1971-11-01), Moreines
patent: 3895237 (1975-07-01), Harr
patent: 4177413 (1979-12-01), Ascoli

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