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EP0128988
European procedure
Extract from the Register of European Patents
EP About this file: EP0128988
| EP0128988 - Method and device for eliminating interferences due to load variation in switched-mode power supplies [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.07.1988 Database last updated on 08.06.2024 | Most recent event Tooltip | 12.05.1990 | Lapse of the patent in a contracting state | published on 27.06.1990 [1990/26] | Applicant(s) | For all designated states COMPAGNIE DE SIGNAUX ET D'EQUIPEMENTS ELECTRONIQUES 99, avenue Aristide Briand 92120 Montrouge / FR | [N/P] |
| Former [1987/42] | For all designated states COMPAGNIE DE SIGNAUX ET D'EQUIPEMENTS ELECTRONIQUES 99, avenue Aristide Briand F-92120 Montrouge / FR | ||
| Former [1984/52] | For all designated states COMPAGNIE DE SIGNAUX ET D'ENTREPRISES ELECTRIQUES 17, place Etienne-Pernet F-75738 Paris Cedex 15 / FR | Inventor(s) | 01 /
Deprez, Louis 7, rue Mirabeau F-91120 Palaiseau / FR | [1984/52] | Representative(s) | Chameroy, Claude, et al Cabinet Malemont 42, avenue du Président Wilson 75116 Paris / FR | [N/P] |
| Former [1984/52] | Chameroy, Claude, et al c/o Cabinet Malemont 42, avenue du Président Wilson F-75116 Paris / FR | Application number, filing date | 83401229.6 | 15.06.1983 | [1984/52] | Filing language | FR | Procedural language | FR | Publication | Type: | A1 Application with search report | No.: | EP0128988 | Date: | 27.12.1984 | Language: | FR | [1984/52] | Type: | B1 Patent specification | No.: | EP0128988 | Date: | 02.09.1987 | Language: | FR | [1987/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.03.1984 | Classification | IPC: | H02M3/335, H02M3/155, H02P13/22 | [1984/52] | CPC: |
G05F1/20 (EP);
H05B41/40 (EP)
| Designated contracting states | AT, BE, CH, DE, GB, IT, LI, LU, NL, SE [1984/52] | Title | German: | Verfahren und Einrichtung zum Eliminieren von mit Lastschwankungen verbundenen Störungen in Taktstromversorgungen | [1984/52] | English: | Method and device for eliminating interferences due to load variation in switched-mode power supplies | [1984/52] | French: | Procédé et dispositif pour éliminer les perturbations liées aux fluctuations de la charge dans les alimentations à découpage | [1984/52] | Examination procedure | 13.04.1985 | Examination requested [1985/27] | 10.01.1986 | Despatch of a communication from the examining division (Time limit: M04) | 10.04.1986 | Reply to a communication from the examining division | 12.09.1986 | Despatch of communication of intention to grant (Approval: ) | 15.01.1987 | Communication of intention to grant the patent | 10.04.1987 | Fee for grant paid | 10.04.1987 | Fee for publishing/printing paid | Opposition(s) | 03.06.1988 | No opposition filed within time limit [1988/36] | Fees paid | Renewal fee | 25.05.1985 | Renewal fee patent year 03 | 30.05.1986 | Renewal fee patent year 04 | 23.05.1987 | 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 | [A]JP5694965 ; | [A]US3935526 (KAMATA YASUJI, et al); | [A]GB2069256 (GOULD ADVANCE LTD); | [A]DE3025405 (SIEMENS AG [DE]) | [A] - Patent Abstracts of Japan vol. 5, no. 167, 24 October 1981 & JP-A-56-94965, & JP5694965 A 19811024 |