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:
Apr. 08, 1997
Filed:
Apr. 07, 1994
Applicant:
Inventor:
Alfons Spies, Seebruck, DE;
Assignee:
Johannes Heidenhain GmbH, Traunreut, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B / ; H01L / ;
U.S. Cl.
CPC ...
32420721 ; 338 / ;
Abstract
A magnetic measuring system having a scale and a scanning unit, the scanning unit having a plurality of magneto-resistive elements which are disposed at an angle .beta. with respect to the measuring direction. The scanning unit generates an auxiliary magnetic field which acts perpendicularly to the measuring direction so as to magnetically bias the magneto-resistive elements.
Spies, Alfons. (1997). Position measuring device employing primary and auxiliary magnetic fields (U.S. Patent No. 5619132). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5619132
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile