Patents by Inventor Larry Joe Huff

Larry Joe Huff 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 and apparatus for facilitating user interaction with a measurement instrument using a display-based control knob
    Patent number: 6229456
    Abstract: A method and apparatus for facilitating user interaction with a measurement instrument displays a control knob glyph corresponding to a user-adjustable parameter of the measurement instrument, the control knob glyph having an indicator and a partially circular drag area through which the indicator can be rotated. Inputs indicating amounts of rotational movement for the indicator can be received, and the location of the indicator within the drag area and the value of the parameter changed in response to such inputs.
    Type: Grant
    Filed: August 10, 1998
    Date of Patent: May 8, 2001
    Assignee: Tektronix, Inc.
    Inventors: Kathryn A. Engholm, Larry Joe Huff