Patents by Inventor Oliver Hagedorn

Oliver Hagedorn 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).

  • Patent number: 7171330
    Abstract: A rotation and/or tilt angle detection device for a ball and socket joint is provided wherein at least one magnet (2), especially a permanent magnet, is arranged in the joint ball (1a), wherein a display device (4) displays the magnetic field of the at least one magnet (2) by means of the magnetooptic effect. An image detection deice (10) detects the information displayed by the display device (4). A data processing unit (50) calculates the relative position of the joint ball (1a) and the ball socket (3) of the ball and socket joint on the basis of the information detected.
    Type: Grant
    Filed: August 5, 2004
    Date of Patent: January 30, 2007
    Assignee: ZF Lemförder Metallwaren AG
    Inventors: Jochen Kruse, Joachim Spratte, Michael Klank, Oliver Hagedorn, Horst Dötsch
  • Publication number: 20050007225
    Abstract: A rotation and/or tilt angle detection device for a ball and socket joint is provided wherein at least one magnet (2), especially a permanent magnet, is arranged in the joint ball (1a), wherein a display device (4) displays the magnetic field of the at least one magnet (2) by means of the magnetooptic effect. An image detection deice (10) detects the information displayed by the display device (4). A data processing unit (50) calculates the relative position of the joint ball (1a) and the ball socket (3) of the ball and socket joint on the basis of the information detected.
    Type: Application
    Filed: August 5, 2004
    Publication date: January 13, 2005
    Inventors: Jochen Kruse, Joachim Spratte, Michael Klank, Oliver Hagedorn, Horst Dotsch