Optical disc reproducing apparatus
US6791909B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2002 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Aug 11, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/65
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
When an instruction to enter information unqualified for programmed reproduction is accepted, an optical disc reproducing apparatus according to the present invention gives a notification indicating that that information cannot be entered in a program.The disc detection unit 204 detects and decides a type of each optical disc, whether or not the disc can be entered in the program, and also detects the largest track number, the system controller 501 directs the disc information memory unit 502 to store the types of optical discs, information about possibility of entry in the program, and the largest track number associated with disc accommodation locations. When entering into the program the contents accepted from the operation keys on the user interface block unit 6, the system controller 501 refers to the disc information memory unit 502, and if it finds that an accepted instruction is requesting an optical disc or a track number which cannot be entered in the program, it outputs a notification indicating that the disc cannot be entered, on the display of the user interface block unit 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.