Optical jukebox with copy protection caching and methods of caching copy protected data
US7600266B2 · kind B2 · utility
9Cited by
9References
35Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 30, 2003 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Nov 6, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/41
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A copy protection comprehending cache catalog with a media jukebox tracks not only the titles of the media themselves, but also the number of copies of each media title, and the copy protection status of each media. When a particular media is not limited to a set number of licensed users, then this media alone is permitted to be used to support multiple users with the hard drive cache in the media jukebox. If, however, a particular media title is limited to one licensed use at a time, per copy of that title, then the hard drive cache is capable of sending data to match the number of copies of media in the jukebox.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.