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EP0491689
European procedure
Extract from the Register of European Patents
EP About this file: EP0491689
| EP0491689 - DEVICE AND PROCESS FOR OPTIMUM OPERATION OF A POWER CONVERTER CONNECTED TO A POWER SUPPLY [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.01.1995 Database last updated on 19.03.2026 | Most recent event Tooltip | 12.01.1995 | No opposition filed within time limit | published on 01.03.1995 [1995/09] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
| Former [1992/27] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
HOLTZ, Joachim Am Forsthof 16 D-5600 Wuppertal / DE | 02 /
KRAH, Jens, Onno Königsberger Str. 42 D-5600 Wuppertal / DE | [1992/27] | Application number, filing date | 90900817.9 | 12.12.1989 | [1992/27] | WO1989EP01518 | Priority number, date | DE19893930294 | 11.09.1989 Original published format: DE 3930294 | DE19893930295 | 11.09.1989 Original published format: DE 3930295 | EP19890116810 | 11.09.1989 Original published format: EP 89116810 | EP19890116809 | 11.09.1989 Original published format: EP 89116809 | [1992/27] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | WO9103862 | Date: | 21.03.1991 | Language: | DE | [1991/07] | Type: | A1 Application with search report | No.: | EP0491689 | Date: | 01.07.1992 | Language: | DE | The application published by WIPO in one of the EPO official languages on 21.03.1991 takes the place of the publication of the European patent application. | [1992/27] | Type: | B1 Patent specification | No.: | EP0491689 | Date: | 09.03.1994 | Language: | DE | [1994/10] | Search report(s) | International search report - published on: | EP | 21.03.1991 | Classification | IPC: | H02M1/12 | [1992/27] | CPC: |
B60L9/005 (EP);
B60L9/24 (EP);
H02M1/12 (EP);
H02M7/487 (EP);
B60L2200/26 (EP)
| Designated contracting states | CH, DE, LI [1992/27] | Title | German: | VORRICHTUNG UND VERFAHREN ZUM OPTIMIERTEN BETRIEB EINES AN EIN NETZ ANGESCHLOSSENEN STROMRICHTERS | [1992/27] | English: | DEVICE AND PROCESS FOR OPTIMUM OPERATION OF A POWER CONVERTER CONNECTED TO A POWER SUPPLY | [1992/27] | French: | DISPOSITIF ET PROCEDE POUR LE FONCTIONNEMENT OPTIMISE D'UN CONVERTISSEUR RELIE A UN RESEAU | [1992/27] | Entry into regional phase | 07.02.1992 | National basic fee paid | 07.02.1992 | Designation fee(s) paid | 07.02.1992 | Examination fee paid | Examination procedure | 11.06.1990 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 07.02.1992 | Examination requested [1992/27] | 13.07.1993 | Despatch of communication of intention to grant (Approval: Yes) | 02.08.1993 | Communication of intention to grant the patent | 20.10.1993 | Fee for grant paid | 20.10.1993 | Fee for publishing/printing paid | Opposition(s) | 10.12.1994 | No opposition filed within time limit [1995/09] | Fees paid | Renewal fee | 17.12.1991 | Renewal fee patent year 03 | 16.12.1992 | Renewal fee patent year 04 | 16.12.1993 | 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. | Cited in | International search | [Y] 2nd European Conference on Power Electronics and Applications, vol. 2, September 1987, Grenoble & Klein: "The propagation of harmonic currents generated by inverter-fed locomotives in the distributed overhead supply system" siehe das ganze Dokument SA 33470 030(in der Anmeldung erwhnt) [Y] | [A] IEE Proceedings vol. 133, no. 2, Mrz 1986, & Goodman: "Novel algorithm for generating near optimal PWM waveforms for AC tractiondrives" siehe Seite 92, linke Spalte, letzter Absatz Seite 93, linke Spalte (in der Anmeldung erwhnt) [A] | Examination | 2nd European Conference on Power Electronics and Applications, Vol. 2, September 1987, Grenoble Pages 1239-1244; Holtz & Klein; "The propagation of harmonic currents generated by inverter-fed locomotives in the distributed overhead supply system" | IEEE Proceedings vol. 133, No: 2, March 1986, pages 85 - 94; Taufig, Mellit & Goodman: "Novel algorithm for generating near optimal PWM waveforms for AC tractiondrives" |