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EP0880261
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EP About this file: EP0880261
| EP0880261 - Echo canceller and adapting method thereof [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 27.01.2006 Database last updated on 30.07.2024 | Most recent event Tooltip | 25.07.2008 | Change - representative | published on 27.08.2008 [2008/35] | Applicant(s) | For all designated states NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-8001 / JP | [N/P] |
| Former [1998/48] | For all designated states NEC CORPORATION 7-1, Shiba 5-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Ikeda, Shigeji NEC Corporation, 7-1, Shiba 5-chome Minato-ku, Tokyo / JP | [1998/48] | Representative(s) | Vossius & Partner Patentanwälte Rechtsanwälte mbB Siebertstrasse 3 81675 München / DE | [N/P] |
| Former [2008/35] | Vossius & Partner Siebertstrasse 3 81675 München / DE | ||
| Former [1998/48] | VOSSIUS & PARTNER Siebertstrasse 4 81675 München / DE | Application number, filing date | 98109010.3 | 18.05.1998 | [1998/48] | Priority number, date | JP19970128149 | 19.05.1997 Original published format: JP 12814997 | [1998/48] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0880261 | Date: | 25.11.1998 | Language: | EN | [1998/48] | Type: | A3 Search report | No.: | EP0880261 | Date: | 11.08.1999 | [1999/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.06.1999 | Classification | IPC: | H04B3/23, H04M9/08 | [1999/31] | CPC: |
H04B3/23 (EP,US);
H04M9/082 (EP,US)
|
| Former IPC [1998/48] | H04M9/08, H04B3/23 | Designated contracting states | DE, FR, GB [2000/16] |
| Former [1998/48] | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Echokompensator und Anpassungverfahren dafür | [1998/48] | English: | Echo canceller and adapting method thereof | [1998/48] | French: | Annulateur d'écho et sa méthode adaptative | [1998/48] | Examination procedure | 07.07.1999 | Examination requested [1999/35] | 18.04.2005 | Communication of intention to grant the patent | 30.08.2005 | Application deemed to be withdrawn, date of legal effect [2006/11] | 30.09.2005 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [2006/11] | Fees paid | Renewal fee | 30.05.2000 | Renewal fee patent year 03 | 31.05.2001 | Renewal fee patent year 04 | 31.05.2002 | Renewal fee patent year 05 | 30.05.2003 | Renewal fee patent year 06 | 28.05.2004 | Renewal fee patent year 07 | Penalty fee | Additional fee for renewal fee | 31.05.2005 | 08 M06 Not yet paid |
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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 | [PY]EP0793341 (NEC CORP [JP]) [PY] 1 * column 2, line 6 - line 32; figure 1 * * column 4, line 44 - column 5, line 4; figure 2 *; | [Y]EP0688099 (NEC CORP [JP]) [Y] 1 * column 3, line 23 - column 4, line 4; figure 1 * * column 7, line 20 - line 36 * * column 7, line 50 - column 8, line 6 *; | [AD] - IKEDA S ET AL, "A fast convergence algorithm for sparse-tap adaptive FIR filters for an unknown number of multiple echoes", ICASSP-94. 1994 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (CAT. NO.94CH3387-8), PROCEEDINGS OF ICASSP '94. IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, ADELAIDE, SA, AUSTRALIA, 19-22 APRIL 1, ISBN 0-7803-1775-0, 1994, New York, NY, USA, IEEE, USA, pages III/41 - 4 vol.3, XP002105855 [AD] 1-3 * page 42, column L, line 30 - page 43, column L, line 36; figure 2 * |