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. 26, 2016
Filed:
Mar. 01, 2011
Applicant:
Paul J. Scott, Leicester, GB;
Inventor:
Paul J. Scott, Leicester, GB;
Assignee:
Taylor Hobson Limited, Leicester, Leicestershire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 5/20 (2006.01); G06F 17/11 (2006.01); G06F 15/00 (2006.01); G01B 5/252 (2006.01); G01B 7/312 (2006.01);
U.S. Cl.
CPC ...
G01B 5/252 (2013.01); G01B 7/312 (2013.01);
Abstract
A method of calibrating a surface measurement instrument includes rotating a work piece having an undulating surface on a turntable of a metrological apparatus; measuring the surface of the work piece at a plurality of rotational positions; analyzing the results of the measurement to determine parameters describing an error causing characteristic of the metrological apparatus; and using the determined parameters to correct measurement data for the error causing characteristic of the metrological apparatus.