Optoelectronic coupler

Details Optoelectronic coupler Optoelectronic coupler

2005-09-20

2005-09-20

Bovernick, Rodney (Department: 2874)

Optical waveguides

Integrated optical circuit

C385S146000, C385S031000, C257S098000

Reexamination Certificate

active

06947620

ABSTRACT:
An optoelectronic coupler includes two photodiodes and an optic light guide, where one of the two photodiodes serves as the transmitting diode and the other as the receiving diode and the light guide serves to guide the light emitted by the transmitting diode to the receiving diode. The transmitting diode and the receiving diode are mounted on a circuit board at a distance from each other and the light guide is constituted of a plastic or glass element mounted on the same circuit board. This arrangement provides for a simple optoelectronic coupler design that permits safe operation even from the perspective of explosion protection.

REFERENCES:
patent: 4100422 (1978-07-01), Thillays
patent: 4124860 (1978-11-01), Johnson
patent: 4367483 (1983-01-01), Takahashi et al.
patent: 5315672 (1994-05-01), Padovani
patent: 5978526 (1999-11-01), Morikuni et al.

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