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. 14, 2009
Filed:
Jun. 08, 2007
Applicants:
Philip W. Kithil, Santa Fe, NM (US);
James L. Novak, Albuquerque, NM (US);
Daniel J. Du Rocher, Metamora, MI (US);
Inventors:
Philip W. Kithil, Santa Fe, NM (US);
James L. Novak, Albuquerque, NM (US);
Daniel J. Du Rocher, Metamora, MI (US);
Assignee:
Methode Electronics, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A stress wave sensor comprising a piezoelectric film and means therein for connection to sensor electronics. The piezoelectric film preferably comprises polyvinylidene fluoride. Also a stress wave sensor system and methods employing one or more such stress wave sensors, preferably attached to a vehicle transparent component, most preferably to the vehicle windshield.