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:
May. 22, 2018
Filed:
Dec. 22, 2016
Applicant:
Balluff Gmbh, Neuhausen a.d.F, DE;
Inventors:
Thomas Burkhardt, Zell, DE;
Achim Zern, Heilbronn, DE;
Assignee:
Ballufff GmbH, Neuhausen a.d.F., DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/14 (2006.01); G01D 5/249 (2006.01); G01D 5/14 (2006.01);
U.S. Cl.
CPC ...
G01D 5/2497 (2013.01); G01D 5/14 (2013.01);
Abstract
In a length or position measuring system which has an at least locally substantially linear measuring gauge and at least one sensor to be moved relative to the measuring gauge, wherein the measuring gauge includes an incremental track and at least one absolute track and wherein the incremental track and the at least one absolute track have poles arranged in the longitudinal direction of the measuring gauge, the poles of the at least one absolute track form at least two regions in the sensor with different field strengths or signal amplitudes.