(19)
(11) EP 1 145 553 A1

(12)

(43) Date of publication:
17.10.2001 Bulletin 2001/42

(21) Application number: 00902420.9

(22) Date of filing: 14.01.2000
(51) International Patent Classification (IPC)7H04N 7/173, H04N 17/00
(86) International application number:
PCT/US0001/021
(87) International publication number:
WO 0044/174 (27.07.2000 Gazette 2000/30)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 22.01.1999 US 116731 P

(71) Applicant: General Instrument Corporation
Horsham,Pennsylvania 19044 (US)

(72) Inventor:
  • ANDERSON, Steven, E.
    La Jolla, CA 92037 (US)

(74) Representative: Hoeger, Stellrecht & Partner 
Uhlandstrasse 14 c
70182 Stuttgart
70182 Stuttgart (DE)

   


(54) DETECTION OF DUPLICATE PARTICIPANTS IN A TWO-WAY MODEM ENVIRONMENT