Patent · US Active

Electrically conductive membrane pump/transducer and methods to make and use same

US9143868B2 · kind B2 · utility

6Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 2013
Grant dateSep 22, 2015
Priority date—
Expiry dateNov 8, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R1/38
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An improved electrically conductive membrane pump/transducer, such as a graphene membrane transducer.

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