Audiovisual reproduction system
US6336219B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 21, 1999 |
| Grant date | Jan 1, 2002 |
| Priority date | — |
| Expiry date | Jul 21, 2019 |
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.