Patent · US Expired

Audiovisual reproduction system

US8074253B1 · kind B1 · utility

577Cited by
461References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 24, 2000
Grant dateDec 6, 2011
Priority date
Expiry dateJan 16, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/25841
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Audiovisual reproduction system comprising a central unit managing a sound control circuit, and a telecommunications modem connected to a distribution network controlled by a host server, through a multitask operating system created around a tools and services library, characterized in that the operating system comprises a function that adjusts the sound control circuit to couple volumes in the various areas in which the loudspeakers in the audiovisual reproduction system are used, this function being accessible through a management mode of the multitask operating system, the coupling maintaining the ratios between the various volumes in each area when the volume in one area is modified.

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