Opto-electronic contact mechanism

Details Opto-electronic contact mechanism Opto-electronic contact mechanism

1976-04-29

1977-11-15

Helms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

307311, G02B 2700

Patent

active

040587355

ABSTRACT:
The invention relates to an opto-electronic contact mechanism in which a potential of an input circuit is separated from the potential of an output circuit by two optocouplers. The optocouplers contain an excitor circuit having a radiation transmitter and also a radiation receiver optically coupled to the transmitter, all within a common housing. The mechanism utilizes a pulsed operational mode to distinguish normal operation from erroneous operation.

REFERENCES:
patent: 3315176 (1967-04-01), Biard
patent: 3866051 (1975-02-01), Shearer et al.
patent: 3913001 (1975-10-01), Kayama
patent: 3975643 (1976-08-01), Toth

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