EP0969618A3
Optical two-fibre ring network
Abstract
The 2-fiber ring network with multiple terminals (T1 to T4) consists of two unidirectional data rings. The connection between two terminals (T1 and T3) takes place in undisturbed operation via one ring each. In the event of a line fault protection channels are provided, each having the same wavelength as the previous working channels.

Term
Term ended
Projected expiry passed 8 June 2019, 7.3 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both waysCites: the store holds 3 of 4
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0716521A2 | Cites | European Patent Office (EPO) | XA | Search report | 1-4 |
| EP0920153A2 | Cites | European Patent Office (EPO) | PX | Search report | 1-4 |
| US5159595A | Cites | United States of America | X | Search report | 1,2,4 |
6 members in 3 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 19828973 | Germany | A | |
| 19828973 | Germany | A | |
| 19828973 | Germany | – | |
| 19828973 | – | – | – |
| DE1998128973 | – | – | – |
Members6
| Document | Office | Kind | |
|---|---|---|---|
| DE19828973A1 | Germany | A1 | |
| EP0969618A2 | European Patent Office (EPO) | A2 | |
| US6243512B1 | United States of America | B1 | |
| EP0969618A3This record | European Patent Office (EPO) | A3 | |
| EP0969618B1 | European Patent Office (EPO) | B1 | |
| DE59913722D1 | Germany | D1 |
33 legal events, as 3 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| 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 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)REGISTERED BETWEEN 20090212 AND 20090218732E | 732E | GB | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Transmission of propertyTP | TP | FR | |
| 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 | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| No opposition filedOpposition26N | 26N | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | 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 | |
| Fr: translation filedET | ET | EP | |
| Gb: translation of ep patent filed (gb section 77(6)(a)/1977)GBT | GBT | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedNOT ENGLISHFG4D | FG4D | GB | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | 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 | |
| Designation fees paidAKX | AKX | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAL;LT;LV;MK;RO;SIAX | AX | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAL;LT;LV;MK;RO;SIAX | 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
- 0969618
- Publication, DOCDB
- 0969618
- Publication, EPODOC
- EP0969618
- Application
- 99111320
- Application, DOCDB
- 99111320
- Application, EPODOC
- EP19990111320
Titles3
- German
- Optisches 2-Faser-Ringnetz
- English
- Optical two-fibre ring network
- French
- Réseau optique en anneau à deux fibres
Classification
- CPC, 5
- H04J14/0295
- H04J14/0209
- H04J14/0217
- H04J14/0283
- H04J14/0291
- IPC, 1
- H04J14 02
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