Optical communication device

Details Optical communication device Optical communication device

2005-10-05

2008-11-04

Singh, Dalzid (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S031000, C398S175000

Reexamination Certificate

active

07447433

ABSTRACT:
An optical communication device enabling confirmation of frames flowing through a communication line without affecting such line. The optical communication device includes a first conversion unit that converts a first optical signal transmitting a first frame group including a first maintenance frame into a first electrical signal; a frame duplication unit that receives the first electrical signal, generates a second electrical signal that transmits the first frame group, and outputs the first electrical signal; a second conversion unit that converts the first electrical signal output by the frame duplication unit into a second optical signal; and a third conversion unit that converts the second electrical signal generated by the frame duplication unit into a third optical signal.

REFERENCES:
patent: 6532320 (2003-03-01), Kikuchi et al.
patent: 6810215 (2004-10-01), Oikawa
patent: 2001-103090 (2001-04-01), None

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