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:
Jul. 10, 2012
Filed:
Jan. 21, 2010
Applicants:
Jean-yves Daurelle, Paris, FR;
Jean-claude Lemoult, Cherre, FR;
Inventors:
Jean-Yves Daurelle, Paris, FR;
Jean-Claude Lemoult, Cherre, FR;
Assignee:
Johnson Controls Technology Company, Holland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 17/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for calibrating and/or correcting a display device having a needle, the needle being able to move in rotation about an axis of rotation and the needle being driven by means of a stepping motor, the calibration method including several measurements of differences between a value displayed and a value to be displayed, and a computation of a correction value as a function of the differences.