Optical communications – Fault recovery – Bypass inoperative element
Reexamination Certificate
2007-10-30
2007-10-30
Vanderpuye, Kenneth (Department: 2613)
Optical communications
Fault recovery
Bypass inoperative element
C398S001000, C398S019000, C398S025000, C398S033000, C398S017000, C385S016000, C385S024000, C385S034000, C385S045000
Reexamination Certificate
active
10798706
ABSTRACT:
The disclosure is directed toward an optical transmission system comprising a primary path disposed between a first end and a second end. The primary path is configured to transmit optical signals between the first end and the second end. A secondary path is disposed between the first end and the second end. The secondary path is configured to transmit optical signals between the first end and the second end, e.g., in the event of a break in the primary path. A first variable ratio coupler is coupled to the primary path and the secondary path between the first end and the second end. The first variable ratio coupler is configured to adjust a coupling ratio between the primary path and the secondary path.
REFERENCES:
patent: 5510917 (1996-04-01), Corke et al.
patent: 6215565 (2001-04-01), Davis et al.
patent: 6925219 (2005-08-01), Pfeiffer
patent: 2005/0019031 (2005-01-01), Ye et al.
patent: 2005/0249499 (2005-11-01), Krimmel et al.
patent: 1143646 (2001-10-01), None
Jasti Chandra S.
Wang Shamino Y.
Cullen Larry T
General Instrument Corporation
Liu Li
Vanderpuye Kenneth
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