Method and system for distributing multimedia data with management information
US6889211B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2000 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Sep 18, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99934
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A multimedia data distributing system comprising an ID issuing center side device and a multimedia data distributor side device for distributing multimedia data as electronic data to a purchaser of the multimedia data. The multimedia data distributor device includes: an attribute information transmitting unit that transmits attribute information of the electronic data indicating the multimedia data to be distributed, to the ID issuing center side device; a watermark information embedding unit that embeds information specifying the ID number transmitted from the ID issuing center side device in response to the attribute information transmitted to the attribute information transmitting unit, as an watermark information in the electronic data indicating the multimedia data to be distributed; and a distribution unit that distributes the electronic data indicating the multimedia data, in which the information specifying the ID number is embedded as the watermark information by the watermark information embedding unit, to the purchaser of the multimedia data. The ID issuing center side device includes: an ID number generating unit that generates a unique ID number and registering the gen…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.