EP1538533A3
Improved FFT/IFFT processor
Abstract
An improved FFT / IFFT processor comprising computation means capable of processing butterfly operations, and storage means for storing the operands of butterfly operations, and a mechanism for storing the operands of multiple consecutive butterfly operations in contiguous storage locations, and wherein the computation means is capable of simultaneously accessing and processing said multiple butterfly operations.

Term
Term ended
Projected expiry passed 3 December 2024, 1.8 years ago.
- Priority
- Filed
- Published
- Projected expiry
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1 sheet
Sheet 1
Every citation, both waysCites: the store holds 2 of 3
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| WO0169424A2 | Cites | World Intellectual Property Organization (WIPO) | A | Search report | 1-8 |
| EP1447752A2 | Cites | European Patent Office (EPO) | PX | Search report | 1-8 |
4 members in 2 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 1520DE2003 | India | A | |
| DE15202003 | India | – | |
| DE15202003 | – | – | – |
| IN2003DEL1520 | – | – | – |
Members4
| Document | Office | Kind | |
|---|---|---|---|
| EP1538533A2 | European Patent Office (EPO) | A2 | |
| US2005138098A1 | United States of America | A1 | |
| EP1538533A3This record | European Patent Office (EPO) | A3 | |
| US7774397B2 | United States of America | B2 |
11 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 | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | |
| Designation fees paidAKX | AKX | |
| Request for examination filed17P | 17P | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| 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
- 1538533
- Publication, DOCDB
- 1538533
- Publication, EPODOC
- EP1538533
- Application
- 4106295
- Application, DOCDB
- 04106295
- Application, EPODOC
- EP20040106295
Titles3
- German
- Verbesserter FFT/IFFT-Prozessor
- English
- Improved FFT/IFFT processor
- French
- Processeur FFT/IFFT amélioré
Classification
- CPC, 1
- G06F17/142
- IPC, 1
- G06F17 14
Designated states36
- Contracting states, 30
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Hungary
- Ireland
- Iceland
- Italy
- Liechtenstein
- Lithuania
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Poland
and 6 moreShow fewer
- Portugal
- Romania
- Sweden
- Slovenia
- Slovakia
- Türkiye
- Extension states, 6
- Albania
- Bosnia and Herzegovina
- Croatia
- Latvia
- North Macedonia
- Yugoslavia, later Serbia and Montenegro (until 2006)