Optical communications – Multiplex – Optical switching
Reexamination Certificate
2005-03-29
2009-11-17
Vanderpuye, Ken N (Department: 2613)
Optical communications
Multiplex
Optical switching
C398S048000, C398S049000, C398S050000, C398S083000
Reexamination Certificate
active
07620321
ABSTRACT:
An optical transmitting apparatus is configured such that K pieces of output ports of optical path switching units whose input port is connected to k-th input transmission path are connected to first to K-th output transmission paths except for the k-th output transmission path and to the k-th input port of a dropping unit, and the optical path switching units and the dropping unit outputs light of wavelength which is part or all of WDM light received from said input port from a specific output port, and can output light having a wavelength different from that of the light output from said specific output port from an output port different from said specific output port. Accordingly, while largely reducing the number of optical fiber patch cords necessary in an optical transmitting apparatus and largely reducing the number of spare ports, the flexible expansion of apparatus function can be realized.
REFERENCES:
patent: 6263127 (2001-07-01), Dragone
patent: 6301037 (2001-10-01), Fischer et al.
patent: 6538784 (2003-03-01), Lee et al.
patent: 6626590 (2003-09-01), Nagatsu et al.
patent: 7308197 (2007-12-01), Zhong et al.
patent: 2002/0186434 (2002-12-01), Roorda et al.
patent: 2005/0226551 (2005-10-01), Pichler et al.
patent: 08-065241 (1996-03-01), None
patent: 08-079806 (1996-03-01), None
patent: 08-130756 (1996-05-01), None
patent: 8-237221 (1996-09-01), None
patent: 08-237221 (1996-09-01), None
patent: 08-340319 (1996-12-01), None
patent: 11-218790 (1999-07-01), None
patent: 11-177624 (1999-08-01), None
patent: 2000-244951 (2000-09-01), None
patent: 2000-295177 (2000-10-01), None
patent: 2000347065 (2000-12-01), None
patent: 2003-018625 (2003-01-01), None
patent: 2003-101479 (2003-04-01), None
patent: 2004-242149 (2004-08-01), None
patent: 2004-532544 (2004-10-01), None
Japanese Patent Office Action in Japanese Patent Application No. 2004-326556 (dated Mar. 10, 2009).
Japanese Official Action dated Aug. 5, 2008 in the corresponding Japanese Application No. JP2004-326556 with English Translation.
Hoshida Takeshi
Miura Akira
Ooi Hiroki
Terahara Takafumi
Fujitsu Limited
Hanify & King P.C.
Vanderpuye Ken N
Woldekidan Hibret A
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