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EP0800735
European procedure
Extract from the Register of European Patents
EP About this file: EP0800735
| EP0800735 - ADAPTIVE EQUALIZATION FOR PRIV TRANSMISSION SYSTEMS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.02.2002 Database last updated on 24.07.2024 | Most recent event Tooltip | 17.02.2006 | Change - lapse in a contracting state Updated state(s): FR | published on 05.04.2006 [2006/14] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1997/42] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
CHERUBINI, Giovanni Nidelbadstrasse 25 CH-8803 Rüschlikon / CH | 02 /
OELCER, Sedat Apfelmatte 17 CH-8804 Au / CH | 03 /
UNGERBOECK, Gottfried Eichstrasse 4 CH-8135 Langnau / CH | [1997/42] | Representative(s) | Williams, Julian David, et al IBM Research GmbH Zurich Research Laboratory Säumerstrasse 4 Postfach 8803 Rüschlikon / CH | [N/P] |
| Former [2000/47] | Williams, Julian David, et al International Business Machines Corporation Säumerstrasse 4 8803 Rüschlikon / CH | ||
| Former [1997/42] | Barth, Carl Otto, et al IBM Corporation Zurich Intellectual Property Dept. Säumerstrasse 4 8803 Rüschlikon / CH | Application number, filing date | 95905604.5 | 28.12.1994 | [1997/42] | WO1994EP04332 | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9620551 | Date: | 04.07.1996 | Language: | EN | [1996/30] | Type: | A1 Application with search report | No.: | EP0800735 | Date: | 15.10.1997 | Language: | EN | The application published by WIPO in one of the EPO official languages on 04.07.1996 takes the place of the publication of the European patent application. | [1997/42] | Type: | B1 Patent specification | No.: | EP0800735 | Date: | 18.04.2001 | Language: | EN | [2001/16] | Search report(s) | International search report - published on: | EP | 04.07.1996 | Classification | IPC: | H04L25/03, H04L25/497 | [1997/42] | CPC: |
H04L25/0305 (EP,US);
H04L25/497 (EP,US);
H04L2025/03662 (EP,US)
| Designated contracting states | DE, FR, GB [1997/42] | Title | German: | ADAPTIVE ENTZERRUNG FÜR PRIV ÜBERTRAGUNGSSYSTEME | [1997/42] | English: | ADAPTIVE EQUALIZATION FOR PRIV TRANSMISSION SYSTEMS | [1997/42] | French: | EGALISATION ADAPTATIVE DESTINEE A DES SYSTEMES DE TRANSMISSION DE CLASSE IV A REPONSE PARTIELLE | [1997/42] | Entry into regional phase | 03.07.1997 | National basic fee paid | 03.07.1997 | Designation fee(s) paid | 03.07.1997 | Examination fee paid | Examination procedure | 13.06.1996 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 03.07.1997 | Examination requested [1997/42] | 21.06.2000 | Despatch of communication of intention to grant (Approval: Yes) | 19.10.2000 | Communication of intention to grant the patent | 28.10.2000 | Fee for grant paid | 28.10.2000 | Fee for publishing/printing paid | Opposition(s) | 19.01.2002 | No opposition filed within time limit [2002/15] | Fees paid | Renewal fee | 03.07.1997 | Renewal fee patent year 03 | 16.12.1997 | Renewal fee patent year 04 | 16.12.1998 | Renewal fee patent year 05 | 15.12.1999 | Renewal fee patent year 06 | 13.12.2000 | Renewal fee patent year 07 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | FR | 18.04.2001 | [2006/14] |
| Former [2002/17] | FR | 14.09.2001 | Cited in | International search | [A] - WEERACKODY & KASSAM, "Dual-mode type algorithms for blind equalization", IEEE TRANSACTIONS ON COMMUNICATIONS, NEW YORK US, vol. 42, no. 1, pages 22 - 28 [A] 1,6 * abstract * * page 23, column L, paragraph 1 * * page 23, column R, paragraph 2 * * page 24, column L, paragraph 2 - column R, paragraph 1 * * page 25, column L, paragraph 2 * * page 26, column R, paragraph 2 - page 27, column L, paragraph 1 * | [A] - CHERUBINI, "Nonlinear self-training adaptive equalization for partial-response systems", IEEE TRANSACTIONS ON COMMUNICATIONS, NEW YORK US, vol. 42, no. 2/3/4, pages 367 - 376 [A] 1,6 * abstract * * page 367, column R, paragraph 2 * * page 369, column R, paragraph 3 - page 370, column L, paragraph 1 * * page 372, column L, paragraph 2 * | [A] - SHALVI O ET AL, "NEW CRITERIA FOR BLIND DECONVOLUTION OF NONMINIMUM PHASE SYSTEMS (CHANNELS)", IEEE TRANSACTIONS ON INFORMATION THEORY, vol. 36, no. 2, pages 312 - 321, XP000132554 [A] 1,6 * page 312, column R, paragraph 2 * * page 315, column R, paragraph 3 - page 316, column L, paragraph 2 * * page 318, column R, paragraph 3 - page 319, column L, paragraph 2 * DOI: http://dx.doi.org/10.1109/18.52478 | [A] - VEMBU ET AL., "convex const functions in blind equalization", IEEE TRANSACTIONS ON SIGNAL PROCESSING, NEW YORK US, vol. 42, no. 8, pages 1952 - 1959 [A] 1,6 * abstract * |