Multiplex communications – Fault recovery – Bypass an inoperative channel
Reexamination Certificate
2011-03-01
2011-03-01
Harper, Kevin C (Department: 2462)
Multiplex communications
Fault recovery
Bypass an inoperative channel
Reexamination Certificate
active
07898945
ABSTRACT:
A multimedia transmission system with redundant multiple strain transmission lines for transmitting packeted multimedia data that includes sound and/or video comprises an apparatus having send and receive function capabilities. The apparatus includes a carrier detection device adapted to detect a carrier related to that packeted multimedia data. A switch device is adapted to change over to a selected sending and/or receiving capable transmission line from among the redundant multiple strain transmission lines based on the carrier detection by the carrier detection device.
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Saito Masayuki
Tange Masahiko
Yamamoto Akio
Foley & Lardner LLP
Harper Kevin C
Roland Corporation
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