The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 30, 2007
Filed:
Aug. 05, 2004
Jochen Kruse, Osnabrück, DE;
Joachim Spratte, Osnabrück, DE;
Michael Klank, Osnabrück, DE;
Oliver Hagedorn, Hamburg-Heimfeld, DE;
Horst Dötsch, Osnabrück, DE;
Jochen Kruse, Osnabrück, DE;
Joachim Spratte, Osnabrück, DE;
Michael Klank, Osnabrück, DE;
Oliver Hagedorn, Hamburg-Heimfeld, DE;
Horst Dötsch, Osnabrück, DE;
ZF Lemförder Metallwaren AG, , DE;
Abstract
A rotation and/or tilt angle detection device for a ball and socket joint is provided wherein at least one magnet (), especially a permanent magnet, is arranged in the joint ball (), wherein a display device () displays the magnetic field of the at least one magnet () by means of the magnetooptic effect. An image detection deice () detects the information displayed by the display device (). A data processing unit () calculates the relative position of the joint ball () and the ball socket () of the ball and socket joint on the basis of the information detected.