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EP0396786
European procedure
Extract from the Register of European Patents
EP About this file: EP0396786
| EP0396786 - Integrable sigma-delta modulator of the switched-capacitor type [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.11.1994 Database last updated on 20.07.2024 | Most recent event Tooltip | 26.11.1994 | No opposition filed within time limit | published on 18.01.1995 [1995/03] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
| Former [1990/46] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Koch, Rudolf, Dr. Ing. Goerdelerstrasse 18 D-8025 Unterhaching / DE | 02 /
Brazdrum, Helmut, Dipl.-Ing (FH) Destouchesstrasse 38 D-8000 München 40 / DE | [1990/46] | Application number, filing date | 89108255.4 | 08.05.1989 | [1990/46] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0396786 | Date: | 14.11.1990 | Language: | DE | [1990/46] | Type: | B1 Patent specification | No.: | EP0396786 | Date: | 26.01.1994 | Language: | DE | [1994/04] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.02.1990 | Classification | IPC: | H03M3/02 | [1990/46] | CPC: |
H03M3/322 (EP,US);
H03M3/43 (EP,US);
H03M3/454 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1990/46] | Title | German: | Integrierbarer Sigma-Delta-Modulator in Switched-Capacitor-Technik | [1990/46] | English: | Integrable sigma-delta modulator of the switched-capacitor type | [1990/46] | French: | Modulateur sigma-delta intégrable utilisant la technique des capacités commutées | [1990/46] | Examination procedure | 20.12.1990 | Examination requested [1991/09] | 05.01.1993 | Despatch of a communication from the examining division (Time limit: M04) | 28.04.1993 | Reply to a communication from the examining division | 13.07.1993 | Despatch of communication of intention to grant (Approval: Yes) | 30.07.1993 | Communication of intention to grant the patent | 20.10.1993 | Fee for grant paid | 20.10.1993 | Fee for publishing/printing paid | Opposition(s) | 27.10.1994 | No opposition filed within time limit [1995/03] | Fees paid | Renewal fee | 20.12.1990 | Renewal fee patent year 03 | 21.05.1992 | Renewal fee patent year 04 | 19.05.1993 | 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. | Documents cited: | Search | [A]JP6031315 ; | [A]EP0084353 (INT STANDARD ELECTRIC CORP [US]); | [A]EP0104988 (SENN PATRICE) | [A] - PATENT ABSTRACTS OF JAPAN, Band 9, Nr. 150 (E-324)[1873], 25. Juni 1985; & JP-A-60 31 315 (NIPPON DENKI K.K.) 18-02-1985, & JP6031315 A 00000000 | [A] - 1986 IEEE INTERNATIONAL SOLID-STATE CIRCUITS CONFERENCE, 20. Februar 1986, Session XIV, Seiten 182-183, IEEE, New York, US; T. HAYASHI et al.: "A multistage delta-sigma modulator without double integration loop" | [A] - PROCEEDINGS OF THE IEEE 1988 CUSTOM INTEGRATED CIRCUITS CONFERENCE, Rochester, New York, 16. - 19. Mai 1988, Seiten 21.3.1-21.3.4, IEEE, New York, US; S.R. NORSWORTHY et al.: "A 13-bit, 160 kHz sigma-delta A/D converter for ISDN" |