Contents copying management system, copying management device, copying management method, contents copying apparatus and contents copying method
US8660963B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2004 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | May 20, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/8042
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention can reliably prevent the contents of a recording medium from being illegally copied but allow them to be copied only for the purpose of personal use. The invention takes out title identifying information and medium identifying information of a DVD loaded on a hard-disk-containing DVD player and transmits those pieces of information to management server along with the apparatus identifying information of the hard-disk-containing DVD player so as to enquire about copying prohibition flag for a copying operation and control copying of the recorded contents of the DVD according to the copying prohibition flag. Thus, the invention prohibits copying when the management server judges that copying of the contents of the DVD by means of the hard-disk-containing DVD player is illegal, whereas it allows copying when the management server judges that copying of the contents of the DVD by means of the hard-disk-containing DVD player is for the purpose of personal use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.