Intelligent digital audiovisual playback system
US7574727B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2002 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | Sep 16, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2545
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Payment-based audiovisual playback system characterized by comprising a microprocessor device associated with a payment device primarily including means for storing, inter alia, in digital format the visual and sound information to be used. The system is associated through interfaces with display means and sound playback means for providing a multimedia environment. The system is controlled by a multitask operating system including a tool and service library integrated into the storage means. The system, which is also associated through an interface with a telecommunications modem, is optionally connected to an audiovisual data distribution network by a telecommunications modem and telecommunications links, said telecommunications function also being controlled by said multitask operating system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.