(19)
(11) EP 0 966 168 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:
16.07.2008 Bulletin 2008/29

(45) Mention of the grant of the patent:
19.03.2008 Bulletin 2008/12

(21) Application number: 99111022.2

(22) Date of filing: 11.06.1999
(51) International Patent Classification (IPC): 
H04Q 3/10(2006.01)

(54)

Packet multiplexer with automatic communication path optimization based on loop detection

Multiplexer für Pakete mit automatischer Übertragungsweg-Optimierung basiert auf Schleifenerkennung

Multiplexeur de paquets à optimisation des voies de communication automatique basée sur la détection des boucles

(84) Designated Contracting States:
DE FR GB

(30) Priority: 12.06.1998 US 89034 P
24.09.1998 US 160516

(43) Date of publication of application:
22.12.1999 Bulletin 1999/51

(73) Proprietors:
  • NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Tokyo 160 (JP)
  • NTT Multimedia Communications Laboratories, Inc.
    New Castle County DE 19805 (US)

(72) Inventors:
  • Ono, Satoshi, Nippon Telegraph/Telephone Corp.
    Tokyo 163-14 (JP)
  • Terao, Kazuyuki, Nippon Telegraph/Telephone Corp.
    Tokyo 163-14 (JP)
  • Miyakawa, Shin
    Palo Alto, CA 94306 (US)

(74) Representative: HOFFMANN EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)


(56) References cited: : 
CA-A- 2 146 046
US-A- 5 463 683
 US-A- 4 446 337
   
       
    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).