Recording device, playback device, and contents transmission method
US7382699B2 · kind B2 · utility
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2References
4Claims
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Key dates
| Filing date | Nov 10, 2004 |
| Grant date | Jun 3, 2008 |
| Priority date | — |
| Expiry date | Oct 12, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2529
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An extracting circuit for extracting meta information from information forming contents is provided. The meta information extracted by the extracting circuit is recorded in a recording medium together with the contents and is used as management information. With this configuration, an object can be searched for based on the contents of the object in a recording device for recording contents, such as moving and still pictures, voices, graphics, and text, in a recording medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.