EP0766358 - Fibre amplifier for a plurality of signals of different wavelengths comprising a wavelength demultiplexer and wavelength multiplexer [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.04.2002 Database last updated on 15.07.2024 | Most recent event Tooltip | 19.04.2002 | No opposition filed within time limit | published on 05.06.2002 [2002/23] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
Former [1997/14] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 80333 München / DE | Inventor(s) | 01 /
Haltenorth, Helmut, Dr. Werner-Friedmann-Bg. 18 80993 München / DE | [1997/14] | Application number, filing date | 96114910.1 | 17.09.1996 | [1997/14] | Priority number, date | DE1995136231 | 28.09.1995 Original published format: DE 19536231 | [1997/14] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0766358 | Date: | 02.04.1997 | Language: | DE | [1997/14] | Type: | B1 Patent specification | No.: | EP0766358 | Date: | 13.06.2001 | Language: | DE | [2001/24] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.01.1997 | Classification | IPC: | H01S3/06, G02B6/26 | [1997/14] | CPC: |
G02B6/266 (EP);
H01S3/06758 (EP);
H04J14/0221 (EP);
H01S2301/02 (EP);
H01S2301/06 (EP)
| Designated contracting states | DE, FR, GB, IT [1997/14] | Title | German: | Faserverstärker für mehrere Signale mit unterschiedlichen Wellenlängen unter Einsatz eines Wellenlängendemultiplexers und eines Wellenlängenmultiplexers | [1997/14] | English: | Fibre amplifier for a plurality of signals of different wavelengths comprising a wavelength demultiplexer and wavelength multiplexer | [1997/14] | French: | Amplificateur à fibre optique pour une multitude de signaux à longueurs d'onde différentes comprenant un démultiplexeur et un multiplexeur | [1997/14] | Examination procedure | 04.03.1997 | Examination requested [1997/18] | 30.10.1998 | Despatch of a communication from the examining division (Time limit: M06) | 10.05.1999 | Reply to a communication from the examining division | 13.11.2000 | Despatch of communication of intention to grant (Approval: Yes) | 07.12.2000 | Communication of intention to grant the patent | 05.03.2001 | Fee for grant paid | 05.03.2001 | Fee for publishing/printing paid | Opposition(s) | 14.03.2002 | No opposition filed within time limit [2002/23] | Fees paid | Renewal fee | 17.09.1998 | Renewal fee patent year 03 | 17.09.1999 | Renewal fee patent year 04 | 18.09.2000 | Renewal fee patent year 05 |
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [Y]US5392154 (CHANG GEE-KUNG [US], et al) [Y] 1-5 * figure 2 *; | [Y] - ZERVAS M N ET AL, "EFFICIENT ERBIUM-DOPED FIBER AMPLIFIERS INCORPORATING AN OPTICAL ISOLATOR", IEEE JOURNAL OF QUANTUM ELECTRONICS, (19950301), vol. 31, no. 3, pages 472 - 480, XP000491569 [Y] 1-5 * the whole document * DOI: http://dx.doi.org/10.1109/3.364402 | [Y] - WILLNER A E ET AL, "PASSIVE EQUALIZATION OF NONUNIFORM EDFA GAIN BY OPTICAL FILTERING FOR MEGAMETER TRANSMISSION OF 20 WDM CHANNELS THROUGH A CASCADE OF EDFA'S", IEEE PHOTONICS TECHNOLOGY LETTERS, (19930901), vol. 5, no. 9, pages 1023 - 1026, XP000414169 [Y] 1-5 * the whole document * DOI: http://dx.doi.org/10.1109/68.257179 |