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:
Aug. 28, 2018
Filed:
Sep. 14, 2015
Applicant:
Dr. Johannes Heidenhain Gmbh, Traunreut, DE;
Inventors:
Joerg Drescher, Samerberg, DE;
Ulrich Bichlmeier, Muehldorf, DE;
Assignee:
DR. JOHANNES HEIDENHAIN GmbH, Traunreut, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 17/38 (2006.01); G01D 18/00 (2006.01);
U.S. Cl.
CPC ...
G01D 18/00 (2013.01); G01D 18/008 (2013.01);
Abstract
A method corrects errors in position-measuring devices having material measures which are scanned by at least one scanning unit. Correction values are obtained in a calibration performed prior to a measurement operation. The correction values from the calibration are compressed for the measurement operation. The correction values are kept available for a defined number of correction points on the material measure and used during the measurement operation to correct acquired position values.