Patents Assigned to Fidelity Comtech, Inc.
  • Bi-directional vector modulator
    Patent number: 6894657
    Abstract: The present invention provides a system for providing a bi-directional vector modulator in which the signal can travel in either direction while the phase shift remains constant. In addition to the functionality of being a phase shifter, the disclosed invention acts as a vector modulator by having the ability to continuously control both the amplitude and phase of a signal.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: May 17, 2005
    Assignee: Fidelity Comtech, Inc.
    Inventor: Joseph M. Carey