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. 09, 2013
Filed:
Feb. 08, 2012
Applicants:
Masaoki Yamagata, Kawasaki, JP;
Yasuhiro Takahama, Kawasaki, JP;
Hiraku Ishiyama, Kawasaki, JP;
Kentaro Nemoto, Kawasaki, JP;
Inventors:
Masaoki Yamagata, Kawasaki, JP;
Yasuhiro Takahama, Kawasaki, JP;
Hiraku Ishiyama, Kawasaki, JP;
Kentaro Nemoto, Kawasaki, JP;
Assignee:
Mitutoyo Corporation, Kawasaki-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A calibrating jig comprises a reference sphere, and a reflecting plate configured to support the reference sphere from a lower side thereof and mirror-reflect light in a case that the reference sphere is illuminated from an upper side thereof.