Patent · US Active

Electroacoustic transducer

US8150094B2 · kind B2 · utility

0Cited by
0References
20Claims
0Family size

Inventor

Key dates

Filing dateJul 8, 2008
Grant dateApr 3, 2012
Priority date
Expiry dateFeb 1, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2225/51
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An electroacoustic transducer comprises an electric sound conversion section that vibrates a mechanical device based on an electric signal so as to emit a sound wave; and an electromagnetic wave radiation section that generates and emits an electromagnetic wave from the electrical signal.

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