Recording medium, recording method, recording apparatus, reproduction apparatus, data transmission method, and server device
US7549175B2 · kind B2 · utility
1Cited by
14References
14Claims
0Family size
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Key dates
| Filing date | Apr 17, 2007 |
| Grant date | Jun 16, 2009 |
| Priority date | — |
| Expiry date | May 5, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2562
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recording medium is applicable to information service system for receiving and transmitting information when a terminal device on the user's side accesses an administrative server, which is a server device, using a communication line such as the Internet. This recording medium (10a) comprises a lead-in region (16a), a data recording region (14a) positioned on an outer region than the lead-in region, and a lead-out region (12a) positioned on an outer region than the data-recording region. In at least any one of these regions (12a), (14a), and (16a), multiple pieces of identification information are recorded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.