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:
Jan. 17, 2006
Filed:
Sep. 16, 2003
Steven A. Buhler, Sunnyvale, CA (US);
Karl A. Littau, Palo Alto, CA (US);
John S. Fitch, Los Altos, CA (US);
John R. Andrews, Fairport, NY (US);
Cathie J. Burke, Rochester, NY (US);
Peter J. Nystrom, Webster, NY (US);
Richard Schmachtenberg, Iii, Aloha, OR (US);
Steven A. Buhler, Sunnyvale, CA (US);
Karl A. Littau, Palo Alto, CA (US);
John S. Fitch, Los Altos, CA (US);
John R. Andrews, Fairport, NY (US);
Cathie J. Burke, Rochester, NY (US);
Peter J. Nystrom, Webster, NY (US);
Richard Schmachtenberg, III, Aloha, OR (US);
Palo Alto Research Center Inc., Palo Alto, CA (US);
Abstract
A system and method of operation for a piezoelectric transducer is described which utilizes a mesa structure interposed between a piezoelectric material element and a chamber diaphragm. The system can be used as a sensor where a net motion to the diaphragm causes a net charge equal to the sum of the charges on each piezoelectric diaphragm. Alternatively, the system can be used as an actuator wherein an applied voltage causes movement of the piezoelectric transducer and the chamber diaphragm.