Patent · US Expired

MP3 car player

US6292440A · kind A · utility

93Cited by
1References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 15, 1999
Grant dateSep 18, 2001
Priority date
Expiry dateOct 15, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2220/60
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a MP3 car player which prevents a compact disk (CD) player equipped in a car from discontinuing playing of a CD as a result of bumpy road conditions, etc., is able to use both conventional CDs and MP3 CD-ROMs, and compresses and decompresses audio data at a high compression ratio to enable the recording of 150.about.200 songs in a single CD-ROM without the loss of sound quality, thereby making use of the expensive CD changer unnecessary. The present invention comprises a file type detector, an MP3 file input unit, a peripheral interface unit, a controller unit, an MP3 decoder, and a digital/analog converter.

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