Patent · US Expired

Portable electronic device having an external speaker chamber

US6597794B2 · kind B2 · utility

79Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 2001
Grant dateJul 22, 2003
Priority date
Expiry dateJul 20, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2499/15
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A portable electronic device, such as a portable notebook computer, that includes a case made up of a top portion and a bottom portion with a base surface. The case contains a speaker having a front portion and a back portion, where the back chamber is formed in association with the back portion of the speaker. A first aperture is disposed through the bottom portion of the case, and an acoustic insulator is attached to the base surface of the case such that the acoustic insulator encircles the first aperture forming an external chamber. The external chamber is defined by the base surface, and the acoustic insulator being adapted to rest upon a support surface upon which the portable electronic device rests. The external chamber is coupled to the back chamber by the first aperture.

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