Patent · US Expired

Speaker mounting structure of head rest in vehicle

US6975737B2 · kind B2 · utility

20Cited by
8References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 3, 2002
Grant dateDec 13, 2005
Priority date
Expiry dateOct 3, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2499/13
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A speaker mounting structure is provided in a head rest at an upper portion of a seat. A pair of left and right speakers are mounted to the head rest, which has a through-bore at a central portion so the speakers only occupy a lower half of the through-bore.

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