Pulse or digital communications – Receivers – Interference or noise reduction
Reexamination Certificate
2008-04-04
2011-12-20
Flores, Leon (Department: 2611)
Pulse or digital communications
Receivers
Interference or noise reduction
C375S219000, C375S220000, C375S229000, C375S230000, C375S231000, C375S232000, C375S233000, C375S260000, C375S295000, C375S316000, C375S340000, C375S346000, C375S349000, C455S063100, C455S114200, C455S296000, C455S501000, C370S335000, C370S342000, C708S300000
Reexamination Certificate
active
08081722
ABSTRACT:
A communications device includes a signal input for receiving both wideband and in-band, narrowband communication signals having wideband communications data that is transmitted over a wideband communications channel and narrowband communications data that is transmitted within an in-band, narrowband channels over the same wideband communications channel. A circuit splits the communications signals into a wideband signal channel and narrowband signal channels. A narrowband filter within the wideband signal channel filters the wideband communications signal and removes any narrowband communications signals. A demodulator within the wideband signal channel demodulates the filtered wideband communications signal to obtain any wideband communications data. An in-band, narrowband demodulators are positioned within the narrowband signal channels and demodulate the narrowband communications signals to obtain any narrowband communications data.
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Furman William N.
Nieto John W.
Padalino Brian C.
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
Flores Leon
Harris Corporation
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