EP0246878A3
Video signal processing circuits
Abstract
A video signal processing apparatus comprises a plurality of video signal correlation detecting means (H Corr, V Corr, F Corr) for detecting the values of video signal correlations of a video signal in a plurality of ways with respect to a picture displayed from the video signal, and intermediate value selecting means (12Y, 12C) for selecting an intermediate value from among the detected values of the plurality of video signal correlations, whereby a changing video signal is processed by utilising a correlation of a proper direction.

Term
Term ended
Projected expiry passed 20 May 2007, 19.3 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| EP0169052A2 | Cites | European Patent Office (EPO) | Search report |
| GB2170975A | Cites | United Kingdom | Search report |
| US4050084A | Cites | United States of America | Search report |
| US4240105A | Cites | United States of America | Search report |
| US4489346A | Cites | United States of America | Search report |
13 members in 7 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 11503286 | Japan | A | |
| 11503286 | Japan | – | |
| 11503286 | – | – | – |
| JP19860115032 | – | – | – |
Members13
| Document | Office | Kind | |
|---|---|---|---|
| EP0246878A2 | European Patent Office (EPO) | A2 | |
| JPS62271585A | Japan | A | |
| AU7320687A | Australia | A | |
| KR870011802A | Republic of Korea | A | |
| US4764964A | United States of America | A | |
| EP0246878A3This record | European Patent Office (EPO) | A3 | |
| US4839727A | United States of America | A | |
| AU597368B2 | Australia | B2 | |
| CA1312944C | Canada | C | |
| EP0246878B1 | European Patent Office (EPO) | B1 | |
| DE3784769D1 | Germany | D1 | |
| DE3784769T2 | Germany | T2 | |
| JPH07123307B2 | Japan | B2 |
22 legal events, as 2 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 | |
| Nl: ceased due to reaching the maximum lifetime of a patentCeasedNLV7 | NLV7 | EP | |
| Patent expired after termination of 20 yearsExpiredPE20 | PE20 | GB | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | 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 | |
| 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
- 0246878
- Publication, DOCDB
- 0246878
- Publication, EPODOC
- EP0246878
- Application
- 87304487
- Application, DOCDB
- 87304487
- Application, EPODOC
- EP19870304487
Titles3
- English
- VIDEO SIGNAL PROCESSING CIRCUITS
- French
- Circuits de traitement des signaux vidéo
- German
- Videosignal-Verarbeitungsschaltungen
Classification
- CPC, 2
- H04N5/21
- H04N9/78