Digital information supply and management system
US6141685A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 16, 1997 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Sep 16, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a digital information supply and management system comprising a supply unit, a management unit, and a terminal unit, in which digital information including digital video and audio information is supplied from the supply unit to the terminal unit, and the management unit manages utilization of the digital information in the terminal unit. In this system, the supply unit comprises digital information generating means for generating the digital information; management information generating means for generating management information for the digital information; and information synthesis means for synthesizing the digital information and the management information to generate synthetic information. The management unit comprises accumulating means for receiving reported contents from the terminal unit. The terminal unit comprises receiving means for receiving the synthetic information supplied from the supply unit; management information separating means for separating the management information from the synthetic information; management information processing means for processing the management information; report contents storage means for storing contents to be rep…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.