Method and system for preventing illegal use of digital contents, processing program thereof, and recording medium for the program
US6466920B1 · kind B1 · utility
13Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1999 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Dec 28, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a method of preventing an illegal use of digital contents, a status information for controlling the replay processing of the digital contents is set in the digital contents. The replay processing of the digital contents is controlled in accordance with a value of the status information thus set. Thereby, a technique can be provided which is capable of preventing the illegal use of the digital contents within the various types of shopping centers and retail outlets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.