(19)
(11) EP 1 155 546 A1

(12)

(43) Date of publication:
21.11.2001 Bulletin 2001/47

(21) Application number: 00911931.4

(22) Date of filing: 23.02.2000
(51) International Patent Classification (IPC)7H04L 27/26
(86) International application number:
PCT/US0004/625
(87) International publication number:
WO 0051/303 (31.08.2000 Gazette 2000/35)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 23.02.1999 US 121194 P

(71) Applicant: AWARE, INC.
Bedford, MA 01730 (US)

(72) Inventors:
  • ELDERING, Charles, A.
    Doylestown, PA 18901 (US)
  • MEYER, William, E.
    Westford, MA 01886 (US)
  • TZANNES, Marcos, C.
    Orinda, CA 94563 (US)
  • WHELAN, Gregory
    Newburyport, MA 01950 (US)
  • SANDBERG, Stuart
    Arlington, MA 02174 (US)

(74) Representative: Rupprecht, Kay, Dipl.-Ing. et al
Meissner, Bolte & PartnerPostfach 86 06 24
81633 München
81633 München (DE)

   


(54) APPARATUS AND METHOD OF TONE ALLOCATION IN DIGITAL SUBSCRIBER LINE SYSTEMS