Patents Represented by Attorney Felix L. Flacher

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  • Multimode modulator employing a phase lock loop for wireless communications
    Patent number: 6924711
    Abstract: A phase-amplitude modulator for mobile communications employs a phase lock loop as an input to a nonlinear power amplifier providing phase information with amplitude information used to modulate the power amplifier output to synthesize phase-amplitude for the RF transmission signal.
    Type: Grant
    Filed: March 10, 2003
    Date of Patent: August 2, 2005
    Assignee: UTStarcom, Inc.
    Inventor: Dongtai Liu