Patent · US Expired

Audio system with first and second units having wireless interface, and audio recievers therefor

US7231177B2 · kind B2 · utility

6Cited by
4References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 2003
Grant dateJun 12, 2007
Priority date
Expiry dateJul 13, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04H40/18
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An audio system includes a first unit and a second unit. The first unit includes a radio frequency (RF) front-end, a channel decoder, a first wireless interface, a content decoder and a digital-to-analog converter (DAC). The second unit includes a second wireless interface, a source decoder and a content encoder.

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