Content dubbing system, content recording apparatus and content dubbing method
US8254216B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2010 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Jul 16, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2541
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The content copying system pertaining to the present invention is a content copying system in which multiple devices (11-14) cooperate to copy content to a removable recording medium (31). The first device (11) comprises a writing unit for writing first management data which includes content identifiers (hash1˜hash4) to the removable recording medium (31). A second device (12) storing content pieces (ep2, ep4) copies content pieces (ep2, ep4) corresponding to the content identifiers (hash2, hash4) included in the first management data to the removable recording medium (31). Another second device (13) which has a content piece (ep3) stored thereon copies, to the removable recording medium (31), the content piece (ep3) corresponding to the content identifier (hash 3) written to the removable recording medium (31).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.