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:
Sep. 11, 1990
Filed:
Nov. 20, 1989
Applicant:
Inventors:
Kenji Yokoyama, Tokyo, JP;
Hidehiko Saizyo, Tokyo, JP;
Assignee:
NEC Environment Engineering Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ; G01H / ;
U.S. Cl.
CPC ...
73655 ; 250342 ; 374 46 ; 374124 ; 73658 ;
Abstract
Method for observation of vibration mode in which a substance inclusive of structures and materials to be observed in vibration mode is vibrated, heat generated by giving vibration is held at the vibrating parts, infrared emission energy emitted from the substance is optically detected to visually display the distribution of temperature change at each vibrating part as thermal imagery.