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:
Jun. 15, 2004
Filed:
Jul. 29, 2002
Applicant:
Inventor:
Makoto Abbe, Tsukuba, JP;
Assignee:
Mitutoyo Corporation, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 2/100 ;
U.S. Cl.
CPC ...
G01B 2/100 ;
Abstract
A reference device having a sphere positioned within a measurement space by an object three-dimensional measuring machine having a spherical probe contacting the spherical probe with six or more measurement points uniformly distributed on the spherical surface of the sphere to measure central coordinates of the sphere of the reference device by the object three-dimensional measuring machine and calibrating the object three-dimensional measuring machine based on the central coordinates obtained.