(19)

(11)

EP 1 175 781 A1

(12)

(43) Date of publication: 30.01.2002 Bulletin 2002/05 (21) Application number: 00922124.3 (22) Date of filing: 12.04.2000

(51) International Patent Classification (IPC)7: H04N 7/16, H04N 7/173 (86) International application number: PCT/US0009/800 (87) International publication number: WO 0067/483 (09.11.2000 Gazette 2000/45)

(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: 04.05.1999 US 132366 P (71) Applicant: General Instrument Corporation Horsham, Pennsylvania 19044 (US)	(72) Inventors: SAFADI, Reem Horsham, PA 19044 (US) VINCE, Lawrence, D. Lansdale, PA 19446 (US) (74) Representative: Hoeger, Stellrecht & Partner  Patentanwälte GbR Uhlandstrasse 14 c 70182 Stuttgart 70182 Stuttgart (DE)