EP0217223 - Digital-to-analog converter with temperature compensation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 21.03.1991 Database last updated on 31.05.2024 | Most recent event Tooltip | 12.11.1999 | Lapse of the patent in a contracting state | published on 29.12.1999 [1999/52] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
Former [1987/15] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Dielacher, Franz, Dipl.-Ing. Auer von Welsbachstrasse 51 A-9500 Villach / AT | [1987/15] | Application number, filing date | 86112801.5 | 16.09.1986 | [1987/15] | Priority number, date | DE19853534915 | 30.09.1985 Original published format: DE 3534915 | [1987/15] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0217223 | Date: | 08.04.1987 | Language: | DE | [1987/15] | Type: | B1 Patent specification | No.: | EP0217223 | Date: | 23.05.1990 | Language: | DE | [1990/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.01.1987 | Classification | IPC: | H03M1/06, G05F1/567, // (H03M1/06, 1:78) | [1987/15] | CPC: |
H03M1/668 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1987/15] | Title | German: | Digital-Analog-Umsetzer mit Temperaturkompensation | [1987/15] | English: | Digital-to-analog converter with temperature compensation | [1987/15] | French: | Convertisseur numérique-analogique à compensation de température | [1987/15] | Examination procedure | 01.10.1987 | Examination requested [1987/49] | 08.12.1988 | Despatch of a communication from the examining division (Time limit: M06) | 09.06.1989 | Reply to a communication from the examining division | 30.06.1989 | Despatch of a communication from the examining division (Time limit: M04) | 05.07.1989 | Reply to a communication from the examining division | 24.07.1989 | Despatch of communication of intention to grant (Approval: Yes) | 20.11.1989 | Communication of intention to grant the patent | 27.11.1989 | Fee for grant paid | 27.11.1989 | Fee for publishing/printing paid | Opposition(s) | 26.02.1991 | No opposition filed within time limit [1991/19] | Fees paid | Renewal fee | 23.09.1988 | Renewal fee patent year 03 | 25.09.1989 | 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. | Lapses during opposition Tooltip | LU | 30.09.1990 | [1999/52] | Documents cited: | Search | [X] - IEEE ELECTRO, Band 8, Session 4/3, 1983, Seiten 1-3, New York, US; E. RITTER: "Single chip digital to analog converter systems reduce board level component count" | [A] - ELECTRONICS, Band 56, Nr. 13, Juni 1983, Seiten 156-159, New York, US; P. PRAZAK: "Low-cost digital-to-analog converter makes beautiful music in disk players" | [A] - ELECTRONICS LETTERS, Band 6, Nr. 11, Mai 1980, Seiten 418-419, Hitchin, Herts., GB; A. NEDUNGADI: "High current class AB convertor technique" |