Patent · US Expired

Piezoelectric sensor

US6526834B1 · kind B1 · utility

9Cited by

17References

56Claims

0Family size

Assignee

MEASUREMENT SPECIALTIES, INC. · US

Inventors

David Kohler · Windsor, US
Jeffrey Swan · West Chester, US

Key dates

Filing date	Aug 23, 2000
Grant date	Mar 4, 2003
Priority date	—
Expiry date	Aug 23, 2020

Classification

Technology area (CPC G)Physics
CPC primaryG08G1/02
WIPO fieldMeasurement
WIPO sectorInstruments

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.

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