Patent · US Expired

Vehicle sound system

US6990208B1 · kind B1 · utility

55Cited by
43References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 8, 2000
Grant dateJan 24, 2006
Priority date
Expiry dateMar 8, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L67/12
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A vehicle sound system is disclosed that includes a set of speakers, a head unit and a disc changer. In addition to a radio, the head unit also includes a means for playing music downloaded from a computer. In one embodiment, the music downloaded from the computer is stored in a compressed format on a removable hard disk drive. The music can be organized using play lists. Software is used to program the head unit to communicate with the disc changer. In one embodiment, the software is replaceable so that the head unit can communicate with different disc changers. The head unit also includes a control panel for operating the head unit and the disc changer.

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