Patents by Inventor John Birbeck

John Birbeck 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).

  • Analysis of multidimensional data
    Publication number: 20060072802
    Abstract: Systems and methods are provided for analyzing a series of images. A contour initializer establishes a plurality of initial contours from respective images within the series of images. A model initializer interconnects the plurality of initial contours into a surface model. A model refiner refines the plurality of initial contours by manipulating the surface model.
    Type: Application
    Filed: September 29, 2004
    Publication date: April 6, 2006
    Inventors: Brent Higgs, John Birbeck, Cliff Frieler, Robert Cothren
  • Bias circuit for a bipolar transistor
    Publication number: 20050218991
    Abstract: The bias circuit of the present invention can be configured for extremely stiff biasing for Class A circuits, which is solid under heavy RF input overdrive. Alternatively, the circuit may be configured for controlled self biasing for use in Class AB designs.
    Type: Application
    Filed: March 18, 2003
    Publication date: October 6, 2005
    Applicant: Roke Manor Research Limited
    Inventor: John Birbeck