Apparatus and method for reproducing main data and sub data in synchronization
US6301203A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1999 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Oct 7, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2529
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention provides a reproduction apparatus and method by which main data and sub data for modifying the main data can be reproduced in synchronism with each other readily by simple operation. Main data and sub data which are being reproduced in synchronism with the main data are searched in response to a searching operation of a user based on main data management information to be used for management of the main data or sub data management information to be used for management of the sub data to find out data to be reproduced in a unit of main data or sub data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.