Patent · US Active

Audio over a standard video cable

US7893998B2 · kind B2 · utility

6Cited by
8References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 2005
Grant dateFeb 22, 2011
Priority date
Expiry dateDec 22, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2370/047
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A source unit has a video source, a digital audio source, a DDC/CI communications capability and a switch for coupling a pin of a standard video cable either to the digital audio source or to a non-audio conventional connection. A display device has a video consumer, a digital audio consumer, a DDC/CI communications capability and a switch for coupling the pin of the standard video cable either to the digital audio consumer or to a non-audio conventional connection. The switch in the display device is responsive to a DDC/CI command.

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