Automobile Sound System and Car Comprizing such a System
Abstract
The invention relates to an automotive sound system comprising an audio signal source 3, in particular a CD changer, with a plurality of loud speakers 4A, 4B and with an amplifier 2 for amplifying the audio signals supplied by the audio signal source 3 and for supplying the amplified audio signals to the individual loudspeakers 4A , 4B. The amplifier 2 shows a supply line for a speed signal, on the basis of which the amplification of the audio signals, the speaker-specific, depending on their location in the passenger compartment, is selected. It has proved useful to increase the speed of amplification of the audio signals for the loudspeakers in the rear area of the passenger compartment relative to the amplification of the audio signals for the loudspeakers in the front area of the passenger compartment.

Term
Term ended
Projected expiry passed 20 June 2020, 6.3 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0669711A1 | Cites | European Patent Office (EPO) | A | Search report | 1 |
| EP0899164A2 | Cites | European Patent Office (EPO) | A | Search report | 1 |
| DE3338413A1 | Cites | Germany | A | Search report | 1 |
| DE4430931A1 | Cites | Germany | A | Search report | 1 |
4 priority claims, no other members on record
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 19931270 | Germany | A | |
| 19931270 | Germany | – | |
| 19931270 | – | – | – |
| DE1999131270 | – | – | – |
14 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 | |
| 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 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAL;LT;LV;MK;RO;SIAX | 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
- 1067680
- Publication, DOCDB
- 1067680
- Publication, EPODOC
- EP1067680
- Application
- 112921
- Application, DOCDB
- 00112921
- Application, EPODOC
- EP20000112921
Titles3
- German
- Automobiles Soundsystem und Automobil mit einem solchen
- English
- Automobile Sound System and Car Comprizing such a System
- French
- Système de sonorisation automobile et voiture comprenant un tel système
Classification
- CPC, 1
- H03G3/32
- IPC, 1
- H03G3 32
Designated states25
- Contracting states, 19
- Austria
- Belgium
- Switzerland
- Cyprus
- Germany
- Denmark
- Spain
- Finland
- France
- United Kingdom
- Greece
- Ireland
- Italy
- Liechtenstein
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Portugal
- Sweden
- Extension states, 6
- Albania
- Lithuania
- Latvia
- North Macedonia
- Romania
- Slovenia