EP0804025A3
Converter and method for use with an interlaced line scanning signal
Abstract
A converter for converting an interlaced signal into a progressive scan signal includes a low pass filter for vertically filtering an interlaced signal in a present field, a high pass filter for vertically filtering an interlaced signal in a field previous to the present field, and addition means for generating an interpolation line signal in the present field by summing the output of the high pass filter and the output of the low pass filter.
Term
Term ended
Projected expiry passed 25 April 2017, 9.4 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
5 members in 3 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 10729196 | Japan | – | |
| 10729196 | Japan | A | |
| JP19960107291 | – | – | – |
Members5
| Document | Office | Kind | |
|---|---|---|---|
| CA2203735A1 | Canada | A1 | |
| EP0804025A2 | European Patent Office (EPO) | A2 | |
| JPH09294251A | Japan | A | |
| JP2835829B2 | Japan | B2 | |
| EP0804025A3This record | European Patent Office (EPO) | A3 |
8 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 | |
| Request for examination filed17P | 17P | |
| Designated contracting statesAK | AK | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Designated contracting statesAK | AK | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 0804025
- Publication, DOCDB
- 0804025
- Publication, EPODOC
- EP0804025
- Application
- 97302868
- Application, DOCDB
- 97302868
- Application, EPODOC
- EP19970302868
Titles3
- German
- Umwandler und Verfahren zur Benutzung mit einem Zeilensprungabtastsignal
- English
- Converter and method for use with an interlaced line scanning signal
- French
- Convertisseur et méthode à utiliser avec un signal de balayage à lignes entrelacées
Classification
- CPC, 1
- H04N7/012
- IPC, 2
- H04N7 01
- H04N11 20
Designated states3
- Contracting states, 3
- Germany
- United Kingdom
- Italy