AT435537T
Information recording/reproducing apparatus and method having a tree structure of encryption keys
Abstract
This record has no abstract on file.
Term
Term ended
Expired 5 April 2021, 5.5 years ago.
- Priority
- Filed
- Granted
- Expired
- Today
36 members in 13 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 2000105328 | Japan | A | |
| 2000243205 | Japan | A | |
| 0102963 | Japan | W |
Members36
| Document | Office | Kind | |
|---|---|---|---|
| CA2372545A1 | Canada | A1 | |
| CA2372552A1 | Canada | A1 | |
| WO0178300A1 | World Intellectual Property Organization (WIPO) | A1 | |
| WO0178301A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU4684501A | Australia | A | |
| AU4685701A | Australia | A | |
| JP2001352322A | Japan | A | |
| JP2002063763A | Japan | A | |
| EP1185022A1 | European Patent Office (EPO) | A1 | |
| EP1185023A1 | European Patent Office (EPO) | A1 | |
| KR20020021119A | Republic of Korea | A | |
| KR20020021120A | Republic of Korea | A | |
| MXPA01012405A | Mexico | A | |
| HU0202148A2 | Hungary | A2 | |
| HUP0202148A2 | Hungary | A2 | |
| CN1383643A | China | A | |
| CN1383645A | China | A | |
| US2003016826A1 | United States of America | A1 | |
| US2003016827A1 | United States of America | A1 | |
| RU2002100080A | Russian Federation | A | |
| AU781884B2 | Australia | B2 | |
| RU2273894C2 | Russian Federation | C2 | |
| EP1185022A4 | European Patent Office (EPO) | A4 | |
| US7093128B2 | United States of America | B2 | |
| EP1185023A4 | European Patent Office (EPO) | A4 | |
| CN1294718C | China | C | |
| US7225339B2 | United States of America | B2 | |
| KR100746537B1 | Republic of Korea | B1 | |
| KR100746892B1 | Republic of Korea | B1 | |
| CA2372545C | Canada | C | |
| EP1185022B1 | European Patent Office (EPO) | B1 | |
| AT435537TThis record | Austria | T | |
| ATE435537T1 | Austria | T1 | |
| DE60139104D1 | Germany | D1 | |
| JP4370721B2 | Japan | B2 | |
| JP4622064B2 | Japan | B2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased as to paragraph 5 lit. 3 law introducing patent treatiesCeasedRER | RER |
Numbers
- Application
- 1919796
Titles2
- German
- VORRICHTUNG UND VERFAHREN ZUR INFORMATIONSAUFZEICHNUNG UND -WIEDERGABE MIT EINER BAUMSTRUKTUR VON VERSCHLÜSSELUNGSSCHLÜSSELN
- English
- DEVICE AND METHOD FOR INFORMATION RECORDING AND REPRODUCTION WITH A TREE STRUCTURE OF ENCLOSURE KEYS
Classification
- CPC, 11
- G11B20/0021
- G11B20/00253
- G11B20/00086
- G11B20/00115
- G11B20/00195
- G11B20/00507
- G11B20/00528
- H04L9/0836
- H04L2209/60
- G11B20/00775
- G11B20/00188
- IPC, 10
- G06F12 14
- H04L9 00
- G06F21 10
- G06F21 60
- G06F21 62
- G11B20 00
- G11B20 10
- G11B20 12
- H04L9 08
- H04N5 91