Information reproducing apparatus for reproducing video signals and program information which are recorded in information recording media
US6278836A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1997 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Aug 26, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91321
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is an information reproducing apparatus for reading out main information to be a target of reproduction and auxiliary information to control reproduction of the main information from an information recording medium containing the main information and the auxiliary information, and reproducing the main information according to the auxiliary information. This apparatus comprises reproduction restricting information extracting means for extracting reproduction restricting information used for reproduction restriction of a part or the whole of the read-out main information, from the read-out auxiliary information; reproduction restricting information used for deciding one of various modes of reproduction restriction including a mode in which reproduction restriction is not performed; and reproduction restricting means for performing reproduction restriction of a part or the whole of the read-out main information in the mode of reproduction restriction decided by the reproduction restriction decision means. Therefore, reproduction of information, which is recorded on an information recording medium such as an optical disk and available by reproduction, can be restricted in a d…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.