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EP0428016
European procedure
Extract from the Register of European Patents
EP About this file: EP0428016
| EP0428016 - Laser diode modulation current control [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.02.1996 Database last updated on 24.07.2024 | Most recent event Tooltip | 26.04.2002 | Lapse of the patent in a contracting state New state(s): ES | published on 12.06.2002 [2002/24] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
| Former [1991/21] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Proebster, Walter Menterschwaigstrasse 14 D-8000 München 90 / DE | [1991/21] | Application number, filing date | 90120934.6 | 31.10.1990 | [1991/21] | Priority number, date | DE19893937747 | 13.11.1989 Original published format: DE 3937747 | [1991/21] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0428016 | Date: | 22.05.1991 | Language: | DE | [1991/21] | Type: | A3 Search report | No.: | EP0428016 | Date: | 29.04.1992 | Language: | DE | [1992/18] | Type: | B1 Patent specification | No.: | EP0428016 | Date: | 12.04.1995 | Language: | DE | [1995/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.03.1992 | Classification | IPC: | H04B10/14 | [1991/21] | CPC: |
H01S5/06832 (EP,US);
H04B10/504 (EP,US);
H04B10/508 (EP,US);
H04B10/58 (EP,US);
H01S5/042 (EP,US);
H01S5/0427 (EP,US);
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, NL, SE [1991/29] |
| Former [1991/21] | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, NL, SE | Title | German: | Modulationsstromregelung für Laserdioden | [1991/21] | English: | Laser diode modulation current control | [1991/21] | French: | Commande de courant de modulation pour diodes laser | [1991/21] | Examination procedure | 03.12.1990 | Loss of particular rights, legal effect: designated state(s) | 05.12.1990 | Examination requested [1991/21] | 07.02.1991 | Despatch of communication of loss of particular rights: designated state(s) DK | 09.09.1994 | Despatch of communication of intention to grant (Approval: Yes) | 13.10.1994 | Communication of intention to grant the patent | 03.01.1995 | Fee for grant paid | 03.01.1995 | Fee for publishing/printing paid | Opposition(s) | 13.01.1996 | No opposition filed within time limit [1996/14] | Fees paid | Renewal fee | 23.10.1992 | Renewal fee patent year 03 | 20.10.1993 | Renewal fee patent year 04 | 18.10.1994 | 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. | Lapses during opposition Tooltip | ES | 12.04.1995 | GR | 12.04.1995 | [2002/24] |
| Former [2000/04] | GR | 12.04.1995 | Documents cited: | Search | [A]EP0075295 (SIEMENS AG [DE]) | [AD] - ELECTRONICS LETTERS. Bd. 14, Nr. 24, 23. November 1978, STEVENAGE,GB Seiten 775 - 776; SMITH: 'Laser level control circuit for high-bit-rate systems using a slope-detector' | [A] - PROCEEDINGS OF THE 4TH EUROPEAN CONFERENCE OF OPTICAL COMMUNICATION 1978, GENOA Seiten 438 - 448; BROSIO, CARNI, MONCALVO, SEANO: 'Level controll circuit for laser transmitters' |