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EP0185779
European procedure
Extract from the Register of European Patents
EP About this file: EP0185779
| EP0185779 - Digital phase locked loop [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.12.1990 Database last updated on 16.07.2024 | Most recent event Tooltip | 20.12.1990 | No opposition filed within time limit | published on 06.02.1991 [1991/06] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1986/27] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Zurfluh, Erwin Alex Heerenstrasse 24 CH-8706 Feldmeilen / CH | [1986/27] | Representative(s) | Möhlen, Wolfgang IBM Corporation Säumerstrasse 4 8803 Rüschlikon / CH | [N/P] |
| Former [1986/27] | Möhlen, Wolfgang C., Dipl.-Ing. IBM Corporation Säumerstrasse 4 CH-8803 Rüschlikon / CH | Application number, filing date | 84115639.1 | 21.12.1984 | [1986/27] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0185779 | Date: | 02.07.1986 | Language: | EN | [1986/27] | Type: | B1 Patent specification | No.: | EP0185779 | Date: | 28.02.1990 | Language: | EN | [1990/09] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.09.1985 | Classification | IPC: | H03L7/00 | [1986/27] | CPC: |
H03L7/0814 (EP,US);
H04L7/0338 (EP,US);
H04L7/0337 (EP,US)
| Designated contracting states | DE, FR, GB [1986/27] | Title | German: | Digitale Phasenregelschleife | [1986/27] | English: | Digital phase locked loop | [1986/27] | French: | Boucle numérique verrouillée en phase | [1986/27] | File destroyed: | 15.01.2000 | Examination procedure | 29.10.1986 | Examination requested [1986/52] | 29.08.1988 | Despatch of a communication from the examining division (Time limit: M04) | 31.12.1988 | Reply to a communication from the examining division | 05.06.1989 | Despatch of communication of intention to grant (Approval: Yes) | 28.08.1989 | Communication of intention to grant the patent | 21.09.1989 | Fee for grant paid | 21.09.1989 | Fee for publishing/printing paid | Opposition(s) | 29.11.1990 | No opposition filed within time limit [1991/06] | Fees paid | Renewal fee | 12.12.1986 | Renewal fee patent year 03 | 11.12.1987 | Renewal fee patent year 04 | 30.11.1988 | Renewal fee patent year 05 | 14.12.1989 | 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 | [X]GB2069263 (PHILIPS NV) | [AD] - PROCEEDINGS OF THE IEEE, vol. 69, no. 4, April 1981, pages 410-431, IEEE, New York, US; W.C. LINDSEY et al.: "A survey of digital phase-locked loops" | [AD] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 18, no. 10, March 1976, pages 3334-3337, New York, US; W.C. LEUNG: "Digital phase-locked loop circuit" | [AD] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 15, no. 1, June 1972, pages 252-254, New York, US; M.E. HOMAN: "Electronically adjustable computer clocking system" | [AD] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 13, no. 7, December 1970, pages 1863-1864, New York, US; L.A. LAURICH et al.: "Phase lock loop with delay line oscillator" | [AD] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 13, no. 7, December 1970, pages 1861-1862, New York, US; L.A. LAURICH: "Phase lock loop with variable delay line oscillator" |