Patent · US Active

Piezoelectric transducers and associated methods

US7710001B2 · kind B2 · utility

5Cited by

6References

18Claims

0Family size

Assignee

WASHINGTON STATE UNIVERSITY · US

Inventors

Dylan J. Morris · Seneca, US
David F. Bahr · West Lafayette, US
Michael J. Anderson · Phoenix, US

Key dates

Filing date	Sep 30, 2008
Grant date	May 4, 2010
Priority date	—
Expiry date	Sep 30, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/42
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Piezoelectric transducers and associated methods are disclosed. In one embodiment, a piezoelectric transducer includes a support member, a piezoelectric element attached to the support member, and a pressurized chamber at one side of the piezoelectric element. The piezoelectric element comprises a flexible film, and the pressurized chamber contains a fluid that applies a static pressure to a side of the piezoelectric element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.