Patents by Inventor David C. Whyte

David C. Whyte 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).

  • Method for measuring electrical current levels in a power switching device
    Patent number: 7275001
    Abstract: A method for determining an electrical current value using at least two current sensing circuits. One current sensing circuit is provided if the current value is below a switching threshold. The other current sensing is provided if the current value is above a switching threshold. Both current sensing circuits having a processing means to process the current signal and a determining means to determine the value of the current signal.
    Type: Grant
    Filed: May 10, 2005
    Date of Patent: September 25, 2007
    Assignee: ABB Technology AG
    Inventors: Marty L. Trivette, Erskine R. Barbour, David C. Whyte, Carl J. LaPlace, Jr.