Pulse or digital communications – Transmitters
Reexamination Certificate
2007-07-17
2007-07-17
Vo, Don N. (Department: 2611)
Pulse or digital communications
Transmitters
Reexamination Certificate
active
11299344
ABSTRACT:
Shaped Clocked (SC) and Clock Modulation (CM) systems, signal generation-reception, processing and CM implementations. Systems having a first and second shaped clock signal and providing shaped clocks to a selector switch and to a signal transmitter. The selectable clock signal parameters include symmetrical and non-symmetrical shaped clock signals, shaped filtered continuous clock signal patterns, shaped encoded clock signals, variable rise and fall time clock signals, clock signals having shaped adjustable on and off duration, multilevel and shaped clock signals and asynchronous clock signal information transmission means. The Clock Modulation (CM), Shaped Clocked (SC) systems, also designated as Feher Keying (FK) systems or FK processors are also used in conjunction with cross-correlated quadrature and also non quadrature modem systems as input drive signals to FM VCO based systems, to SSB to VSB to DSB-SC to QAM, and/or to coded systems.
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