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:
Dec. 25, 1990
Filed:
Aug. 15, 1988
Applicant:
Inventors:
Yakichi Higo, Tokyo, JP;
Shigetomo Nunomura, Yokohama, JP;
Toshio Takano, Machida, JP;
Junichiro Matsuoka, Machida, JP;
Tadashi Ashida, Yokohama, JP;
Assignees:
Nissan Motor Co., Ltd., Yokohama, JP;
Tokyo Institute of Technology, Reasearch Laboratory of Precision, , US;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73602 ;
Abstract
The coherence between inputted and received white noise is used to determined the presence or absence of flaws in a structure such as a joint. The strength of the joint is determined by integrating the coherence factor and observing the magnitude of the same.