EP1569346A3
Amplifier with digital signal processing
Abstract
A digital signal processing amplifier to produce substantially no digital clipping is disclosed, the amplifier including an A/D converter provided with an overflow detecting function and a controller for communicating with external equipment and adapted such that an overflow of an input signal is detected and thereby an output level of a head unit serving as a source of the analog input signal is controlled.
Term
Term ended
Projected expiry passed 22 February 2025, 1.6 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| WO03073660A2 | Cites | World Intellectual Property Organization (WIPO) | Y | Search report | 1-3 |
| EP1156590A1 | Cites | European Patent Office (EPO) | A | Search report | 1 |
| WO9849776A1 | Cites | World Intellectual Property Organization (WIPO) | Y | Search report | 1-3 |
| PATENT ABSTRACTS OF JAPAN vol. 1995, no. 08 29 September 1995 (1995-09-29) | Non-patent | – | – | Search report | – |
6 members in 3 offices; this record represents the family
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 2004045887 | Japan | – | |
| 2004045887 | Japan | A |
Members6
| Document | Office | Kind | |
|---|---|---|---|
| US2005184891A1 | United States of America | A1 | |
| EP1569346A2 | European Patent Office (EPO) | A2 | |
| JP2005236838A | Japan | A | |
| EP1569346A3This record | European Patent Office (EPO) | A3 | |
| US7202804B2 | United States of America | B2 | |
| JP4432530B2 | Japan | B2 |
12 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 | |
| First examination report despatched17Q | 17Q | |
| 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
- 1569346
- Application
- 50037704
Titles3
- German
- Verstärker mit digitaler Datenverarbeitung
- English
- Amplifier with digital signal processing
- French
- Amplificateur avec traitement numérique de données
Classification
- CPC, 3
- H03M1/185
- H03M1/186
- H04N25/78
- IPC, 2
- H03M1 18
- H03M1 12
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)