Patents by Inventor Duncan M. Walker

Duncan M. Walker 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).

  • Patent number: 6891389
    Abstract: A method for detecting quiescent current in an integrated circuit is provided that includes detecting a magnetic field generated by the quiescent current and in response generating a magnetic field signal that is indicative of the detected magnetic field. The magnetic field signal is then amplified and converted into a differential voltage signal. The differential voltage signal is then converted into a digital format.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: May 10, 2005
    Assignee: The Texas A&M University System
    Inventors: Duncan M. Walker, Hoki Kim