EP1552505A4
Digital signal processing techniques for improving audio clarity and intelligibility
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 16 July 2023, 3.2 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
20 sheets
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 Sheet 6 Sheet 7 Sheet 8 Sheet 9 Sheet 10 Sheet 11 Sheet 12 Sheet 13 Sheet 14 Sheet 15 Sheet 16 Sheet 17 Sheet 18 Sheet 19 Sheet 20
Every citation, both waysCites: the store holds 13 of 14
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| WO0047014A1 | Cites | World Intellectual Property Organization (WIPO) | A | Search report | 1-14 |
| WO0150459A1 | Cites | World Intellectual Property Organization (WIPO) | XY | Search report | 1-14 |
| DE19957128C1 | Cites | Germany | A | Search report | 1-14 |
| DE2628259A1 | Cites | Germany | A | Search report | 24-29 |
| US4215431A | Cites | United States of America | Y | Search report | 15-23 |
| DE4407032A1 | Cites | Germany | Y | Search report | 24,26-29 |
| US4460871A | Cites | United States of America | A | Search report | 1-14 |
| US4627098A | Cites | United States of America | A | Search report | 24-29 |
| US5832444A | Cites | United States of America | A | Search report | 1-14 |
| US6038430A | Cites | United States of America | A | Search report | 15-23 |
| WO9934642A1 | Cites | World Intellectual Property Organization (WIPO) | Y | Search report | 25 |
| WO0150459A | Cites | World Intellectual Property Organization (WIPO) | – | – | – |
| WO9934642A | Cites | World Intellectual Property Organization (WIPO) | – | – | – |
| See also references of WO 2004013840A1 | Non-patent | – | – | Search report | – |
20 members in 5 offices
Priority claims9
| Document | Office | Kind | Date |
|---|---|---|---|
| 214944 | United States of America | – | |
| 21494402 | United States of America | A | |
| 21494402 | United States of America | A | |
| 0322240 | United States of America | W | |
| 0322240 | United States of America | W | |
| 214944 | – | – | – |
| US20020214944 | – | – | – |
| US2003022240 | – | – | – |
| WO2003US22240 | – | – | – |
Members20
| Document | Office | Kind | |
|---|---|---|---|
| WO0150459A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU4904801A | Australia | A | |
| WO0225886A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU9290801A | Australia | A | |
| US2002075965A1 | United States of America | A1 | |
| EP1226578A1 | European Patent Office (EPO) | A1 | |
| WO0225886A8 | World Intellectual Property Organization (WIPO) | A8 | |
| US2003023429A1 | United States of America | A1 | |
| EP1325601A1 | European Patent Office (EPO) | A1 | |
| WO2004013840A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU2003256571A1 | Australia | A1 | |
| JP2004509378A | Japan | A | |
| US2004215358A1 | United States of America | A1 | |
| US2005096762A2 | United States of America | A2 | |
| EP1552505A1 | European Patent Office (EPO) | A1 | |
| US6940987B2 | United States of America | B2 | |
| EP1226578A4 | European Patent Office (EPO) | A4 | |
| EP1325601A4 | European Patent Office (EPO) | A4 | |
| JP2005534980A | Japan | A | |
| EP1552505A4This record | European Patent Office (EPO) | A4 |
9 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application deemed to be withdrawnWithdrawn18D | 18D | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA | STAA | |
| First examination report despatched17Q | 17Q | |
| Supplementary search report drawn up and despatchedA4 | A4 | |
| Request for extension of the european patent (deleted)DAX | DAX | |
| Request for examination filed17P | 17P | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 1552505
- Publication, DOCDB
- 1552505
- Publication, EPODOC
- EP1552505
- Application
- 3766870
- Application, DOCDB
- 03766870
- Application, EPODOC
- EP20030766870
Titles3
- German
- TECHNIKEN DER DIGITALEN SIGNALVERARBEITUNG ZUR VERBESSERUNG DER KLARHEIT UND VERSTÄNDLICHKEIT VON AUDIOSIGNALEN
- English
- DIGITAL SIGNAL PROCESSING TECHNIQUES FOR IMPROVING AUDIO CLARITY AND INTELLIGIBILITY
- French
- TECHNIQUES DE TRAITEMENT DE SIGNAUX NUMERIQUES DESTINEES A AMELIORER LA CLARTE ET L'INTELLIGIBILITE DE SONS
Classification
- CPC, 5
- H03G11/008
- G10L19/0204
- G10L19/0208
- H03G7/007
- G10L21/0364
- IPC, 5
- G10L19 008
- H03G7 00
- H03G11 00
- G10L19 00
- G10L19 14
Designated states1
- Contracting states, 1
- Türkiye