Patent · US Expired

Spiral wound transducer

US6420814B1 · kind B1 · utility

91Cited by
7References
16Claims
0Family size

Inventor

Key dates

Filing dateMay 18, 1999
Grant dateJul 16, 2002
Priority date
Expiry dateMay 18, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02N1/006
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A transducer compressible in response to electric power, including a flexible, conductive plastic layer microimprinted with a pattern and a stiff plastic layer containing a conductive embedded sheet.

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