EP0464591A3
Method and apparatus for coding
Abstract
A high-efficient coding apparatus and method for compressing a digital video signal such as a color television signal, by dividing the digital video signal into a plurality of sub-bands, formatting the video signal of each sub-band into blocks per every plurality of picture elements, performing an orthogonal transform to each formatted block and coding coefficients obtained by the orthogonal transform.
Term
Term ended
Projected expiry passed 25 June 2011, 15.2 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both waysCites: the store holds 5 of 6
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0294357A1 | Cites | European Patent Office (EPO) | A | Search report |
| GB2079567A | Cites | United Kingdom | A | Search report |
| FR2597282A1 | Cites | France | A | Search report |
| US4734767A | Cites | United States of America | Y | Search report |
| US4933763A | Cites | United States of America | AD | Search report |
10 members in 5 offices
Priority claims28
| Document | Office | Kind | Date |
|---|---|---|---|
| 17081690 | Japan | – | |
| 17081690 | Japan | A | |
| 17081690 | Japan | A | |
| 18012490 | Japan | – | |
| 18012490 | Japan | A | |
| 18012490 | Japan | A | |
| 18992890 | Japan | – | |
| 18992890 | Japan | A | |
| 18992890 | Japan | A | |
| 18992990 | Japan | – | |
| 18992990 | Japan | A | |
| 18992990 | Japan | A | |
| 19166290 | Japan | – | |
| 19166290 | Japan | A | |
| 19166290 | Japan | A | |
| 24355590 | Japan | – | |
| 24355590 | Japan | A | |
| 24355590 | Japan | A | |
| 7921091 | Japan | – | |
| 7921091 | Japan | A | |
| 7921091 | Japan | A | |
| JP19900170816 | – | – | – |
| JP19900180124 | – | – | – |
| JP19900189928 | – | – | – |
| JP19900189929 | – | – | – |
| JP19900191662 | – | – | – |
| JP19900243555 | – | – | – |
| JP19910079210 | – | – | – |
Members10
| Document | Office | Kind | |
|---|---|---|---|
| EP0464591A2 | European Patent Office (EPO) | A2 | |
| KR920001489A | Republic of Korea | A | |
| JPH04369989A | Japan | A | |
| EP0464591A3This record | European Patent Office (EPO) | A3 | |
| KR950000830B1 | Republic of Korea | B1 | |
| US5442399A | United States of America | A | |
| EP0464591B1 | European Patent Office (EPO) | B1 | |
| DE69123646D1 | Germany | D1 | |
| DE69123646T2 | Germany | T2 | |
| JP2743037B2 | Japan | B2 |
28 legal events, as 3 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| 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 | |
| Notification of lapseLapsedST | ST | FR | |
| 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 | |
| Nl: lapsed or anulled due to non-payment of the annual feeLapsedNLV4 | NLV4 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| 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 | |
| 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 | |
| European patent in force as of 2002-01-01IF02 | IF02 | GB | |
| 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 | |
| Fr: translation filedET | ET | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | EP | |
| Despatch of communication of intention to grantORIGINAL CODE: EPIDOS AGRAGRAG | GRAG | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | 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
- 0464591
- Publication, DOCDB
- 0464591
- Publication, EPODOC
- EP0464591
- Application
- 110458
- Application, DOCDB
- 91110458
- Application, EPODOC
- EP19910110458
Titles3
- German
- Kodierverfahren und -vorrichtung
- English
- Method and apparatus for coding
- French
- Procédé et dispositif de codage
Classification
- CPC, 12
- H04N11/044
- H04N19/60
- H04N19/13
- H04N19/63
- H04N19/102
- H04N19/61
- H04N19/91
- H04N19/186
- H04N19/62
- H04N19/649
- H04N19/10
- H04N11/04
- IPC, 4
- H04N7 26
- H04N7 30
- H04N7 50
- H04N11 04
Designated states4
- Contracting states, 4
- Germany
- France
- United Kingdom
- Netherlands (Kingdom of the)