Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate
2006-01-31
2009-10-20
Mehrpour, Melody (Department: 2617)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
Reexamination Certificate
active
07606272
ABSTRACT:
Various embodiments of the present invention are directed to methods and systems for circumventing, and altering transmission-channel users of, transmission-channel disruptions. In one embodiment of the present invention, a source encodes information in a first signal and transmits the first signal in a source channel to a multiplexer. The multiplexer distributes the first signal over N transmission channels. A demultiplexer combines the signals distributed over the N transmission channels into a second signal encoding of the information. The distribution system also includes a detector that receives the second signal output from the demultiplexer, and one or more detectors that receive one or more additional signals output from the demultiplexer. The additional signals are produced by the demultiplexer when a disruption occurs in one or more of the transmission channels and are used to alert transmission-channel users of the disruption.
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C H Bennett et al —“Eavesdrop-Detecting Quantum Communications Channel”—IBM Technical Disclosure Bulletion—vol. 26 No. 8—Jan. 1984—pp. 4363-4366.
Beausoleil Raymond G.
Harrison Keith A.
Munro William J.
Spiller Timothy P.
Hewlett--Packard Development Company, L.P.
Mehrpour Melody
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