Patent · US Expired

Thin enclosure electroacoustical transducing

US6931143B2 · kind B2 · utility

6Cited by
5References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 2002
Grant dateAug 16, 2005
Priority date
Expiry dateNov 4, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2205/022
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An electroacoustical transducer has an enclosure having a thickness substantially smaller than the width and the depth. The transducer includes a first rigid sheet, a second rigid sheet, and a spacing structure for spacing the first rigid sheet from the second rigid sheet to define an acoustic enclosure, having a top, a bottom and a side edge. The top includes the first rigid sheet and the bottom includes the second rigid sheet. The transducer includes an acoustic transducer for exchanging sound waves with the acoustic enclosure. The enclosure has a plurality of outlet points.

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