EP0210292 - Frequency demodulation circuit with zero-crossing counter [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 27.07.1991 Database last updated on 02.09.2024 | Most recent event Tooltip | 27.07.1991 | No opposition filed within time limit | published on 18.09.1991 [1991/38] | Applicant(s) | For all designated states Deutsche ITT Industries GmbH Hans-Bunte-Strasse 19 79108 Freiburg / DE | [N/P] |
Former [1987/06] | For all designated states Deutsche ITT Industries GmbH Hans-Bunte-Strasse 19 D-79108 Freiburg / DE | Inventor(s) | 01 /
Pfeifer, Heinrich, Dipl.-Ing. Vogesenstrasse 4 D-7809 Denzlingen / DE | 02 /
Schweer, Rainer, Dr. Ing. Lärchenweg 14 D-7808 Waldkirch / DE | [1987/06] | Representative(s) | (deleted) | [1989/10] |
Former [1987/06] | Morstadt, Volker, Dipl.-Ing. Deutsche ITT Industries GmbH, Patentabteilung, Hans-Bunte-Strasse 19 D-79108 Freiburg / DE | Application number, filing date | 85109489.6 | 27.07.1985 | [1987/06] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0210292 | Date: | 04.02.1987 | Language: | DE | [1987/06] | Type: | B1 Patent specification | No.: | EP0210292 | Date: | 26.09.1990 | Language: | DE | [1990/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.05.1986 | Classification | IPC: | H03D3/00 | [1987/06] | CPC: |
H03D3/006 (EP,US);
H03D2200/005 (EP,US);
H03D2200/0056 (EP,US);
H03D2200/0064 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1987/06] | Title | German: | Frequenzdemodulationsschaltung mit Nulldurchgangszählung | [1987/06] | English: | Frequency demodulation circuit with zero-crossing counter | [1987/06] | French: | Circuit de démodulation de fréquence avec comptage des passages par zéro | [1987/06] | Examination procedure | 15.07.1987 | Examination requested [1987/38] | 15.06.1989 | Despatch of a communication from the examining division (Time limit: M04) | 13.10.1989 | Reply to a communication from the examining division | 15.11.1989 | Despatch of communication of intention to grant (Approval: No) | 22.03.1990 | Despatch of communication of intention to grant (Approval: later approval) | 29.03.1990 | Communication of intention to grant the patent | 22.06.1990 | Fee for grant paid | 22.06.1990 | Fee for publishing/printing paid | Opposition(s) | 27.06.1991 | No opposition filed within time limit [1991/38] | Fees paid | Renewal fee | 18.07.1987 | Renewal fee patent year 03 | 25.07.1988 | Renewal fee patent year 04 | 10.07.1989 | Renewal fee patent year 05 | 17.07.1990 | Renewal fee patent year 06 |
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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]JP56140706 ; | [A]US4378526 (CHAMPAGNE CLAUDE J J [CA], et al); | [A]EP0099142 (PHILIPS PATENTVERWALTUNG [DE], et al); | [A]EP0146652 (ITT IND GMBH DEUTSCHE [DE], et al) | [A] - PATENTS ABSTRACTS OF JAPAN, Band 6, Nr. 21 (E-93) [899], 6. Februar 1982; & JP - A - 56 140 706 (NIPPON DENSHIN DENWA KOSHA) 04-11-1981, & JP56140706 A 00000000 | [A] - IBM TECHNICAL DISCLOSURE BULLETIN, Band 13, Nr. 11, April 1971, Seiten 3421-3422, New York, US; G.D. JONES, Jr.: "Digital frequency discriminator" | [A] - RCA TECHNICAL NOTES, Nr. 839, 4. Juni 1969, Seiten 1/2-2/2, RCA, Princeton, New York, US; D.P. WEBSTER et al.: "Correlation data demodulator" |