(19)
(11) EP 0 960 521 A1

(12)

(43) Date of publication:
01.12.1999 Bulletin 1999/48

(21) Application number: 98957984.0

(22) Date of filing: 13.11.1998
(51) International Patent Classification (IPC): 
H04B 3/ 23( . )
(86) International application number:
PCT/US1998/024365
(87) International publication number:
WO 1999/031866 (24.06.1999 Gazette 1999/25)
(84) Designated Contracting States:
DE FR GB NL

(30) Priority: 12.12.1997 US 19970989692

(71) Applicant: MOTOROLA, INC.
Schaumburg, IL 60196 (US)

(72) Inventors:
  • TAN, Lijun
    Etobicoke, Ontario M9A 4X9 (CA)
  • LIU, Hanyu
    Mississauga, Ontario L5A 3X1 (CA)

(74) Representative: Morgan, Marc, et al 
Motorola European Intellectual Property Operations, Midpoint, Alencon Link
Basingstoke, Hampshire RG21 7PL
Basingstoke, Hampshire RG21 7PL (GB)

   


(54) APPARATUS AND METHOD FOR ADAPTING AN ECHO CANCELLER IN A COMMUNICATION SYSTEM