Patents by Inventor Christopher D. Huggett

Christopher D. Huggett has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tracking radar systems
    Patent number: 4752779
    Abstract: A missile guidance system having means for deriving from a target angle tracking loop a signal indicative of an apparent movement of a target off a missile-to-target sight line caused by a change in missile attitude, and means for feeding said apparent movement signal into a space stabilization loop to adjust the position of the aerial to compensate for said apparent movement.
    Type: Grant
    Filed: December 20, 1977
    Date of Patent: June 21, 1988
    Assignee: The Marconi Company Limited
    Inventors: Michael A. Jones, Richard H. Campbell, Christopher D. Huggett, Anthony J. Benson, John A. Gurr
  • Phase-lock loop systems
    Patent number: 4672330
    Abstract: A phase-lock loop system with particular use in radar tracking systems is disclosed. From a number of input signals of varying frequencies such as a carrier frequency and several side band frequencies the system can lock into phase and frequency with the input which has the largest amplitude by sweeping across a predetermined range of frequencies and allowing the phase-lock loop to operate only when a predetermined amplitude is exceeded.
    Type: Grant
    Filed: July 23, 1974
    Date of Patent: June 9, 1987
    Assignee: The Marconi Company Limited
    Inventors: John T. Floyd, Christopher D. Huggett, Michael A. Jones, John R. G. Woods