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.

Date of Patent:
Dec. 27, 2022

Filed:

Jul. 22, 2020
Applicant:

Mitutoyo Corporation, Kanagawa, JP;

Inventor:

Yoshiyuki Omori, Hiroshima, JP;

Assignee:

MITUTOYO CORPORATION, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 21/04 (2006.01); G01B 5/20 (2006.01);
U.S. Cl.
CPC ...
G01B 21/042 (2013.01); G01B 5/201 (2013.01);
Abstract

A method for calibrating parameters includes a measurement step that obtains measurement data by scanning a defined surface; a correction step that obtains corrected data by correcting the measurement data based on the parameters; a determination step that calculates a roundness of the corrected data and determines whether the calculated roundness is equal to or less than a predetermined value; and an adjustment step that increases or reduces at least one of the parameters when the roundness is determined to be greater than the predetermined value, and the correction step, the determination step, and the adjustment step are repeated until the roundness is determined to be equal to or less than the predetermined value.


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