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. 22, 2014
Filed:
Jun. 19, 2012
Applicants:
Itaru Ishida, Sakura, JP;
Hiroki Hamaguchi, Sakura, JP;
Inventors:
Itaru Ishida, Sakura, JP;
Hiroki Hamaguchi, Sakura, JP;
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A detector sequentially detects intensity distribution of transmitted light which is transmitted through a center portion of a preform. A determining section determines at least one of a position of a through hole and a size thereof on the basis of a time series of a feature value in the intensity distribution.