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:
Jun. 01, 2010
Filed:
Apr. 13, 2007
Applicant:
Alexander Friedl, Graz, AT;
Inventor:
Alexander Friedl, Graz, AT;
Assignee:
Piezocryst Advanced Sensories GmbH, Graz, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a piezoelectric pressure sensor comprising piezoelectric measuring elements located in a housing, which are pre-stressed between the housing base and a membrane provided at the pressured side of the housing. According to the invention the piezoelectric measuring elements are placed on the outside of a pre-stressing element, which is located essentially along the longitudinal axis of the sensor.