EP0341881A3
Multichannel radio communication system
Abstract
A multichannel radio communication system for a cordless telephone communication, comprising a plurality of handsets and a plurality of radio units at least equal in number to the required channels, each base unit including an antenna, a signal transmitter, a signal receiver and an audio signal processor. The signal transmitter, the signal receiver and the audio signal processor of each radio unit are accommodated within a space defined by their associated antenna which is formed in two main parts, being spaced apart to define a dipole.

Term
Term ended
Projected expiry passed 2 May 2009, 17.4 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0117283A1 | Cites | European Patent Office (EPO) | A | Search report |
| EP0213780A2 | Cites | European Patent Office (EPO) | A | Search report |
| EP0219085A2 | Cites | European Patent Office (EPO) | A | Search report |
| EP0244872A2 | Cites | European Patent Office (EPO) | A | Search report |
| GB2101436A | Cites | United Kingdom | A | Search report |
| GB2138652A | Cites | United Kingdom | A | Search report |
| GB2166622A | Cites | United Kingdom | A | Search report |
| FR2498033A1 | Cites | France | A | Search report |
| NL8503533A | Cites | Netherlands (Kingdom of the) | X | Search report |
4 priority claims, no other members on record
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 8811222 | United Kingdom | A | |
| 8811222 | United Kingdom | A | |
| 8811222 | United Kingdom | – | |
| GB19880011222 | – | – | – |
6 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application withdrawnWithdrawn18W | 18W | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION HAS BEEN WITHDRAWNSTAA | STAA | |
| 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
- 0341881
- Publication, DOCDB
- 0341881
- Publication, EPODOC
- EP0341881
- Application
- 304387
- Application, DOCDB
- 89304387
- Application, EPODOC
- EP19890304387
Titles3
- English
- Multichannel radio communication system
- German
- Mehrkanal-Funkverkehrssystem
- French
- Système de radiocommunication à canaux multiples
Classification
- CPC, 1
- H04M1/733
- IPC, 4
- H04B7 26
- H04M1 733
- H04W84 10
- H04W88 02
Designated states4
- Contracting states, 4
- Germany
- Spain
- France
- Italy