EP1516491A4
Filtering method and apparatus for removing blocking artifacts and/or ringing noise
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 15 January 2023, 3.7 years ago.
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7 sheets
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Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0781053A2 | Cites | European Patent Office (EPO) | I | Search report | 1,13,24 |
| WO9922509A2 | Cites | World Intellectual Property Organization (WIPO) | A | Search report | 1-30 |
| RAO K R; YIP P: "Discrete cosine transform: algorithms, advantages, and applications", 1 January 1990, ACADEMIC PRESS, USA, ISBN: 012580203X, pages: 107, XP002674395 | Non-patent | – | – | Search report | – |
| See also references of WO 03094521A1 | Non-patent | – | – | Search report | – |
11 members in 6 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 2002024438 | Republic of Korea | – | |
| 20020024438 | Republic of Korea | A | |
| 0300087 | Republic of Korea | W |
Members11
| Document | Office | Kind | |
|---|---|---|---|
| KR20030086076A | Republic of Korea | A | |
| WO03094521A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU2003266120A1 | Australia | A1 | |
| US2004022315A1 | United States of America | A1 | |
| CN1547853A | China | A | |
| EP1516491A1 | European Patent Office (EPO) | A1 | |
| CN1287598C | China | C | |
| US7145953B2 | United States of America | B2 | |
| KR100846774B1 | Republic of Korea | B1 | |
| EP1516491A4This record | European Patent Office (EPO) | A4 | |
| EP1516491B1 | European Patent Office (EPO) | B1 |
65 legal events, as 8 offices reported them to INPADOC
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Patent lapsedLapsedMM4A | MM4A | IE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097 | R097 | DE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Patent ceasedCeasedPL | PL | CH | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097 | R097 | DE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Discontinued in the netherlands as no translation has been filedVDEP | VDEP | NL | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Discontinued in the netherlands as no translation has been filedVDEP | VDEP | NL | |
| Deletion acc. to par. 5 (withdrawal of the translation of the ep patent)MK05 | MK05 | AT | |
| Dpma publication of mentioned ep patent grantGrantedR096 | R096 | DE | |
| European patents granted designating irelandGrantedFG4D | FG4D | IE | |
| Reference to at number (ep patent enters austrian national phase)REF | REF | AT | |
| European patent takes effect as a national patent in ch/liEP | EP | CH | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Intention to grant announcedINTG | INTG | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Supplementary search report drawn up and despatchedA4 | A4 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Amendment of ipc main classPREVIOUS MAIN CLASS: H04N0007240000R079 | R079 | DE | |
| Request for extension of the european patent (deleted)DAX | DAX | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAX | AX | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 1516491
- Application
- 37475415
Titles3
- German
- FILTERVERFAHREN UND VORRICHTUNG ZUR ENTFERNUNG VON BLOCKARTEFAKTEN UND/ODER KLINGELRAUSCHEN
- English
- FILTERING METHOD AND APPARATUS FOR REMOVING BLOCKING ARTIFACTS AND/OR RINGING NOISE
- French
- PROCEDE ET APPAREIL DE FILTRAGE POUR SUPPRIMER LES ARTEFACTS DE BLOCAGE ET/OU LE BRUIT DE SONNERIE
Classification
- CPC, 8
- H04N19/86
- H04N19/176
- H04N19/61
- H04N19/117
- H04N19/14
- H04N19/80
- H04N19/82
- H04N19/625
- IPC, 4
- H04L1 22
- H04N7 24
- H04N7 12
- H04N7 26
Designated states26
- Contracting states, 26
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Hungary
- Ireland
- Italy
- Liechtenstein
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Portugal
- Sweden
- Slovenia
and 2 moreShow fewer
- Slovakia
- Türkiye