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EP0841732
European procedure
Extract from the Register of European Patents
EP About this file: EP0841732
| EP0841732 - Method and Device for modulation of an optical carrier using a semiconductor amplifier [Right-click to bookmark this link] | |||
| Former [1998/20] | Device for optical phase modulation using a semiconductor optical amplifier and method therefor | ||
| [2000/18] | Status | No opposition filed within time limit Status updated on 24.08.2001 Database last updated on 09.09.2024 | Most recent event Tooltip | 24.08.2001 | No opposition filed within time limit | published on 10.10.2001 [2001/41] | Applicant(s) | For all designated states CONTRAVES SPACE AG Schaffhauserstrasse 580 8052 Zürich / CH | [2000/10] |
| Former [1998/20] | For all designated states Oerlikon-Contraves AG Birchstrasse 155 8050 Zürich / CH | Inventor(s) | 01 /
Wandernoth, Bernhard Hausenstrasse 57 9533 Kirchberg / CH | [1998/20] | Representative(s) | Hotz, Klaus c/o OK pat AG, Patente Marken Lizenzen, Chamerstrasse 50 6300 Zug / CH | [N/P] |
| Former [1998/20] | Hotz, Klaus, Dipl.-El.-Ing./ETH c/o OK pat AG, Patente Marken Lizenzen, Hinterbergstrasse 36, Postfach 5254 6330 Cham / CH | Application number, filing date | 97114230.2 | 18.08.1997 | [1998/20] | Priority number, date | CH19960002782 | 11.11.1996 Original published format: CH 278296 | [1998/20] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0841732 | Date: | 13.05.1998 | Language: | DE | [1998/20] | Type: | B1 Patent specification | No.: | EP0841732 | Date: | 25.10.2000 | Language: | DE | [2000/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.03.1998 | Classification | IPC: | H01S5/40, H04B10/155 | [2000/18] | CPC: |
H04B10/2914 (EP,US);
H01S5/04254 (EP,US);
H01S5/50 (EP,US);
H04B10/505 (EP,US);
H01S5/06213 (EP,US);
H01S5/06226 (EP,US);
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| Former IPC [1998/20] | H01S3/25, H04B10/155 | Designated contracting states | BE, CH, DE, FR, GB, IT, LI, SE [1999/04] |
| Former [1998/20] | AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Verfahren und Vorrichtung zur Modulation eines optischen Trägers durch einen Halbleiterverstärker | [2000/18] | English: | Method and Device for modulation of an optical carrier using a semiconductor amplifier | [2000/18] | French: | Dispositif et méthode pour modulation d'une porteuse optique utilisant un amplificateur à semi-conducteur | [2000/18] |
| Former [1998/20] | Verfahren und Vorrichtung zur optischen Phasenmodulation mittels Halbleiterverstärker | ||
| Former [1998/20] | Device for optical phase modulation using a semiconductor optical amplifier and method therefor | ||
| Former [1998/20] | Dispositif et méthode pour modulation optique de phase utilisant un amplificateur optique à semi-conducteur | Examination procedure | deleted | Decision about request for accelerated examination - accepted: No | 02.07.1998 | Examination requested [1998/36] | 14.05.1999 | Despatch of a communication from the examining division (Time limit: M04) | 12.07.1999 | Request for accelerated examination filed | 13.07.1999 | Reply to a communication from the examining division | 26.08.1999 | Despatch of a communication from the examining division (Time limit: M04) | 01.12.1999 | Reply to a communication from the examining division | 10.04.2000 | Despatch of communication of intention to grant (Approval: Yes) | 04.05.2000 | Communication of intention to grant the patent | 31.05.2000 | Fee for grant paid | 31.05.2000 | Fee for publishing/printing paid | Opposition(s) | 26.07.2001 | No opposition filed within time limit [2001/41] | Fees paid | Renewal fee | 20.07.1999 | Renewal fee patent year 03 | 17.07.2000 | Renewal fee patent year 04 |
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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 | [A]WO9007141 (BRITISH TELECOMM [GB]) [A] 1,2 * the whole document *; | [A]EP0716332 (SEL ALCATEL AG [DE], et al) [A] 1 * the whole document *; | [A] - LONI A, "OPTICAL MODULATION GOES EXTERNAL", MICROWAVE JOURNAL, (19950201), vol. 38, no. 2, pages 110, 112, 114, 116 - 118, XP000504096 [A] 1-4 * figure 5 * | [A] - POHLMANN T ET AL, "SCHNELLE OPTISCHE SCHALTER IN LINBO3", NTZ NACHRICHTENTECHNISCHE ZEITSCHRIFT, (19890201), vol. 42, no. 2, pages 68 - 71, XP000120846 [A] 1-4 * page 70; figure 4 * | [A] - EL YUMIN S ET AL, "TAPER-SHAPE DEPENDENCE OF TAPERED-WAVEGUIDE TRAVELING WAVE SEMICONDUCTOR LASER AMPLIFIER (TTW-SLA)", IEICE TRANSACTIONS ON ELECTRONICS, (19940401), vol. E77-C, no. 4, pages 624 - 632, XP000460067 [A] 1,5-7 * page 624, paragraph 1; figures 1,2,7 * * page 627, paragraph 4 - page 629 * | [A] - FUJIWARA M ET AL, "1.55 M LASER DIODE OPTICAL MODULATOR", TRANSACTIONS OF THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS OF JAPAN, (198810), vol. E71, no. 10, pages 972 - 974, XP000054344 [A] 1,2,5 * the whole document * | [DA] - H. MEINKE AND F.W. GUNDLACH, TASCHENBUCH DER HOCHFREQUENZTECHNIK, SPRINGER HEIDELBERG, (1968), XP002020460 [DA] 1,3,4,6-9 * page 298 - page 304 * | [DA] - G. GROSSKOPF ET AL, "characteristics of semiconductor laser optical amplifier as phase modulator", ELECTRONICS LETTERS, STEVENAGE GB, (19890817), vol. 25, no. 17, pages 1188 - 1189, XP002020461 [DA] 1,2,4 * the whole document * |