(19)
(11) EP 1 817 847 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
22.04.2015 Bulletin 2015/17

(45) Mention of the grant of the patent:
25.02.2015 Bulletin 2015/09

(21) Application number: 05792707.1

(22) Date of filing: 30.08.2005
(51) International Patent Classification (IPC): 
H04B 3/23(2006.01)
(86) International application number:
PCT/US2005/030754
(87) International publication number:
WO 2006/057683 (01.06.2006 Gazette 2006/22)

(54)

SYSTEM AND METHOD OF ECHO CANCELLATION

SYSTEM UND VERFAHREN ZUR ECHOLÖSCHUNG

SYSTEME ET PROCEDE DE SUPPRESSION D'ECHO

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 29.11.2004 US 631140 P
05.08.2005 US 197524

(43) Date of publication of application:
15.08.2007 Bulletin 2007/33

(73) Proprietor: Ikanos Communications, Inc.
Fremont, CA 94538 (US)

(72) Inventors:
  • RAPAPORT, Albert
    Morgansville, NJ 07751 (US)
  • CAI, Lujing
    Morgansville, NJ 07751 (US)
  • LANGBERG, Ehud
    Ocean, NJ 07712 (US)

(74) Representative: REHBERG HÜPPE + PARTNER 
Patentanwälte PartG mbB Robert-Gernhardt-Platz 1
37073 Göttingen
37073 Göttingen (DE)


(56) References cited: : 
US-A1- 2003 112 887
US-A1- 2003 118 177
US-A1- 2004 233 979
 US-A1- 2003 112 966
US-A1- 2004 184 519
US-B1- 6 421 377
   
  • DEBBASCH ET AL.: 'Modified Flexible Bandplan 998 for Variable Rate Symmetric VDSL Applications' IEE P802.3AH COPPER, SEOUL 12 May 2003 - 15 May 2003, XP003001916
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).