Optical communication interface module connected to...

Details Optical communication interface module connected to... Optical communication interface module connected to...

2006-05-09

2006-05-09

Chan, Jason (Department: 2633)

Optical communications

Optical transceiver

Including optical fiber or waveguide

C398S141000

Reexamination Certificate

active

07043161

ABSTRACT:
An optical communication interface module connected to a direct-current (DC) power terminal, an input/output (I/O) terminal and a ground terminal, to perform optical communication. The module includes a PNP transistor for transmission, a pull-up device, a photo generator device, a photoelectric converter, and first and second NPN transistors for reception. The PNP transmission transistor has its base connected to the I/O terminal and its collector connected to the ground terminal. The first transistor for reception with its collector connected to the anode of the photo generator device and its emitter connected to the ground terminal, has its base driven by output signals of the photoelectric converter. The second transistor for reception with its collector connected to the I/O terminal and its emitter connected to the ground terminal, has its base driven by an output signal of the photoelectric converter.

REFERENCES:
patent: 5069522 (1991-12-01), Block et al.
patent: 6081362 (2000-06-01), Hatakeyama et al.
patent: 19646628 (1998-05-01), None
patent: 0402813 (1990-12-01), None

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