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. 02, 2008
Filed:
Mar. 30, 2004
Applicants:
Michel Bernard Lemistre, Livry-Gargan, FR;
Dominique Marc Placko, Creteil, FR;
Inventors:
Michel Bernard Lemistre, Livry-Gargan, FR;
Dominique Marc Placko, Creteil, FR;
Assignees:
Centre National de la Recherche Scientifique (CNRS), Paris, FR;
Office National d'etudes et de Recherches Aerospatiales (ONERA), Chatillon, FR;
Ecole Normale Superieure de Cachan, Cachan, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 5/30 (2006.01); G06F 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Device for health monitoring of a structure comprising a dielectric material of permittivity ε, comprising a source of electromagnetic radiation, generating an electric field in the structure a detector measuring a component of the electric field, calculation means giving the value of εon the basis of the said component.