PL347328A1
Copy method avoiding bit-to-bit duplication of digital data and reading device for implementing same
Abstract
The invention concerns a copy method avoiding bit-to-bit duplication of digital data and a reading device for implementing said method. The method is characterised in that the medium whereon the digital data are to be duplicated comprises a serial number used for formatting the read digital data before writing them on said medium. The invention is useful in particular for duplicating DVD's, CD's, magnetic tapes or the like.
Term
Term ended
Projected expiry passed 11 October 2019, 7 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
8 priority claims, no other members on record
Priority claims8
| Document | Office | Kind | Date |
|---|---|---|---|
| 9813074 | France | A | |
| 9813074 | France | A | |
| 9902425 | France | W | |
| 9902425 | France | W | |
| 989813074 | – | – | – |
| 99FR9902425 | – | – | – |
| FR19980013074 | – | – | – |
| WO1999FR02425 | – | – | – |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Decisions on refusal to grant patents (taken after the publication of the particulars of the applications)REFS | REFS |
Numbers
- Publication, DOCDB
- 347328
- Publication, EPODOC
- PL347328
- Application
- 99347328
- Application, DOCDB
- 34732899
- Application, EPODOC
- PL19990347328
Titles
- English
- COPY METHOD AVOIDING BIT-TO-BIT DUPLICATION OF DIGITAL DATA AND READING DEVICE FOR IMPLEMENTING SAME
Classification
- CPC, 12
- G11B23/284
- G11B20/00195
- G11B20/00086
- G11B20/00094
- G11B20/00115
- G11B20/00123
- G11B20/0021
- G11B20/00347
- G11B2220/2545
- G11B2220/2562
- G11B2220/90
- G11B20/00217
- IPC, 6
- G09C1 00
- G11B20 00
- G06F3 06
- G11B20 10
- G11B23 28
- H04L9 08