Data processing apparatus and method for preventing unauthorized copying
US6981272B1 · kind B1 · utility
8Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2000 |
| Grant date | Dec 27, 2005 |
| Priority date | — |
| Expiry date | Jan 21, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91328
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a data processing system and method that control the outputs of a receiving apparatus depending upon a copy restriction code. The receiving apparatus determines whether the copy restriction code allows for one or no copies to be made and controls the outputs of the receiving apparatus accordingly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.