Patents Assigned to Zemco Group, Inc.
  • Patent number: 4694583
    Abstract: An electronic display device for presenting directional information to the operator of a motor vehicle. The display simultaneously shows current vehicle direction of travel as well as the relative directions of the 4 major compass axes by converting the direction information from an electronic flux gate compass. The device is further optimized to reduce the number of pin connections to the display and associated driver complexity and is readily applicable to LED, LCD or vacuum fluorescent type display elements.
    Type: Grant
    Filed: March 26, 1986
    Date of Patent: September 22, 1987
    Assignee: Zemco Group, Inc.
    Inventor: Peter G. Blaney