Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2011-08-09
2011-08-09
Rizk, Sam (Department: 2112)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C375S232000, C327S231000
Reexamination Certificate
active
07996749
ABSTRACT:
A loss-of-signal detector includes digital and analog monitoring of incoming data. The incoming signal is compared digitally to at least one predetermined pattern that may indicate a loss of signal, and also is monitored by an analog detector that detects transitions in the data. If the digital comparison fails to match any of the at least one predetermined pattern, or if transitions are detected by the analog monitoring, even if the digital comparison produces a pattern match, then loss of signal is not indicated.
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Ding Weiqi
Hoang Tim Tri
Shumarayev Sergey
Tran Thungoc M.
Wong Wilson
Altera Corporation
Ingerman Jeffrey H.
Rizk Sam
Ropes & Gray LLP
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