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:
Feb. 18, 2003
Filed:
May. 03, 2001
Josef Haupt, Tettnang, DE;
Hans-Joachim Martin, Kressbronn, DE;
Jürgen Mittelberger, Weissensberg, DE;
ZF Batavia L.L.C., Batavia, OH (US);
Abstract
The device for the contactless measurement of the rotational speed of a first part which rotates during operation and which is arranged inside a second part that either does not rotate or rotates at a rotational speed that is independent of the rotational speed of the first part, has an arrangement which generates a magnetic field and a magnetic field detector, wherein the arrangement which generates the magnetic field has a magnet ring ( ) integrated in the inner part ( ) and wherein the magnetic field detector is a Hall-effect sensor ( ) situated in a housing ( ) that surrounds both parts: the second part ( ) consists of a non-magnetizable material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile