Patents by Inventor Durk J. De Jong

Durk J. De Jong 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 the perspective display of a part of a topographic map, and device suitable for performing such a method
    Patent number: 5161886
    Abstract: A method and device for the perspective display of a portion of topographic coordinate information of points on the surface of the earth proximate to the current position of a vehicle travelling thereon, utilizes a coordinate transformation to generate a perspective image from an apparent point of view above and behind the vehicle in a viewing direction, which, with the direction of travel of the vehicle, defines an imaginary plane which is perpendicular to the surface of the earth.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: November 10, 1992
    Assignee: U.S. Philips Corp.
    Inventors: Durk J. De Jong, Timothy J. Everett
  • Method of displaying navigation data for a vehicle in an image of the vehicle environment, a navigation system for performing the method, and a vehicle comprising a navigation system
    Patent number: 5115398
    Abstract: A method of and system for displaying navigation data for a vehicle in conjunction with an image of the vehicle environment, in which from navigation data of a vehicle, derived from a navigation system, there is formed an indication signal which is superposed on an image of the local environment generated by an image pick-up unit. The combination of indication signal and local environmental image is displayed on a display unit.
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: May 19, 1992
    Assignee: U.S. Philips Corp.
    Inventor: Durk J. De Jong