EP1501200A3
Noise filter in a hearing aid
Abstract
In a method for filtering interference signals, occurring with the most widely known constant repetition frequency when using hearing aids, the repetition frequency of the interfering signal is detected in and on the hearing aid and known constant frequency detection, the signal is at least partially expected to be suppressed or attenuated next time , The detection can take place, for example, via the duty cycle and / or the fundamental frequency of the interference signal.
Term
Term ended
Projected expiry passed 12 November 2024, 1.9 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0843427A1 | Cites | European Patent Office (EPO) | A | Search report | 1,11 |
| EP0941015A2 | Cites | European Patent Office (EPO) | X | Search report | 1-4,8,9,11-14 |
| EP1104645B1 | Cites | European Patent Office (EPO) | XD | Search report | 1-4,8,11,12,14 |
| US2004053575A1 | Cites | United States of America | AX | Search report | 1,7 |
| US6137888A | Cites | United States of America | X | Search report | 1-4,8,11,12,14 |
4 members in 2 offices; this record represents the family
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 04026906 | European Patent Office (EPO) | A | |
| EP20040026906 | – | – | – |
Members4
| Document | Office | Kind | |
|---|---|---|---|
| EP1501200A2 | European Patent Office (EPO) | A2 | |
| EP1501200A3This record | European Patent Office (EPO) | A3 | |
| EP1501200B1 | European Patent Office (EPO) | B1 | |
| DE502004010063D1 | Germany | D1 |
33 legal events, as 4 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Expiry of rightR071 | R071 | DE | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Opt-out of the competence of the unified patent court (upc) registeredP01 | P01 | EP | |
| Declaration of willingness to licenceR084 | R084 | 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 | |
| Patent ceasedCeasedPL | PL | CH | |
| Ep patent lapsedLapsedEBP | EBP | DK | |
| 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 | |
| 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 | |
| Ep patent with danish claimsT3 | T3 | DK | |
| New agentNV | NV | CH | |
| Corresponds to:REF | REF | EP | |
| European patent takes effect as a national patent in ch/liEP | EP | CH | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Designation fees paidAKX | AKX | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAX | AX | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | 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
- 1501200
- Publication, DOCDB
- 1501200
- Publication, EPODOC
- EP1501200
- Application
- 4026906
- Application, DOCDB
- 04026906
- Application, EPODOC
- EP20040026906
Titles3
- German
- Störsignalfilter in Hörgeräten
- English
- Noise filter in a hearing aid
- French
- Filtre de bruit dans une prothèse auditive
Classification
- CPC, 4
- H04R25/00
- H04B15/02
- H04B2215/061
- H04R25/50
- IPC, 2
- H04B15 02
- H04R25 00
Designated states2
- Contracting states, 1
- Türkiye
- Extension states, 1
- Yugoslavia, later Serbia and Montenegro (until 2006)