Patents by Inventor Heinz Wellhausen

Heinz Wellhausen 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).

  • Electronic compass
    Patent number: 5046260
    Abstract: In an electronic compass having a plurality of sensors (1, 2, 3), each reacting to a component of the earth field (Hy), it is desired to prevent errors based on variations in the signal amplification and to improve the accuracy of measurement. In accordance with the invention, three identical sensors (1, 2, 3) are disposed at an angle of 120.degree.. The compass may be used, in particular, for the navigation of vehicles.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: September 10, 1991
    Inventor: Heinz Wellhausen