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. 21, 2012
Filed:
Jan. 18, 2005
Rasmus Rettig, El Paso, TX (US);
Christian Bauer, Schwieberdingen, DE;
Birgit Vogelgesang, Ingersheim, DE;
Rasmus Rettig, El Paso, TX (US);
Christian Bauer, Schwieberdingen, DE;
Birgit Vogelgesang, Ingersheim, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A magnetic sensor arrangement (), having magnetically sensitive sensor elements () whose electrical properties are changeable as a function of a magnetic field that a moving, passive transmitter element () is able to influence. The magnetic sensor arrangement () has two sensor elements () in a gradiometer arrangement that are each respectively associated with one of two magnetic regions () of a permanent magnet embodied in the form of a gap magnet (), which regions are spaced apart from each other by a predetermined distance (sa). The regions () and the gap magnet ()—in terms of the for example wedge-shaped embodiment, the dimensions (h, b, t), the gap width (sa), the gap depth (st), and their positions in relation to the sensor elements ()—are situated so as to minimize the offset of the output signal of the sensor elements () in the gradiometer arrangement.