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:
Mar. 04, 2003
Filed:
Aug. 23, 2000
Applicant:
Inventors:
David Kohler, Bally, PA (US);
Jeffrey D. Swan, Westchester, PA (US);
Assignee:
Measurement Specialties, Incorporated, Norristown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/16 ;
U.S. Cl.
CPC ...
G01B 7/16 ;
Abstract
A sensor having an inner conductor, a piezoelectric layer, and an outer conductor. The piezoelectric layer formed from a piezoelectric strip wrapped around the inner conductor and having adjacent turns wherein substantially each turn overlaps substantially fifty percent of an adjacent turn. The piezoelectric layer has a substantially uniform thickness. The outer conductor substantially surrounds the piezoelectric layer.