Light source apparatus, and method for switching redundancy...

Optical communications – Transmitter – Including optical waveguide

Reexamination Certificate

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C398S091000, C398S201000

Reexamination Certificate

active

07447446

ABSTRACT:
The present invention relates to a light source apparatus. The light source apparatus includes a plurality of optical pulse train generation sections; an optical switch section capable of selectively outputting an optical pulse train to be taken as an optical pulse train for current use; an output light generation section capable of generating continuous light of multiple wavelengths from said optical pulse train output from said optical switch section; and an optical switch control section for controlling said optical switch section to switch an output of said optical pulse train for current use from said optical switch section, in accordance with the states of respective optical pulse trains generated by said plurality of optical pulse train generation sections and without involvement of instantaneous power interruption.

REFERENCES:
patent: 6081355 (2000-06-01), Sharma et al.
patent: 6324318 (2001-11-01), Suzuki
patent: 2001/0046344 (2001-11-01), Hayashi et al.
patent: 2002/0191904 (2002-12-01), Kani et al.
patent: 2003/0012495 (2003-01-01), Islam et al.
patent: 2005/0163503 (2005-07-01), Lee et al.
patent: 2002-319731 (2002-10-01), None
European Search Report dated Dec. 21, 2005, in corresponding European Patent Application No. 04016462.6.

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