(19)

(11)

EP 1 169 864 A2

(12)

(88) Date of publication A3: 01.02.2001 (43) Date of publication: 09.01.2002 Bulletin 2002/02 (21) Application number: 00941109.1 (22) Date of filing: 14.04.2000

(51) International Patent Classification (IPC)7: H04N 7/26 (86) International application number: PCT/US0010/208 (87) International publication number: WO 0062/552 (19.10.2000 Gazette 2000/42)

(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: 14.04.1999 US 129275 02.07.1999 US 347213 29.10.1999 US 430631 (71) Applicant: Sarnoff Corporation Princeton, NJ 08543-5300 (US)	(72) Inventors: WARD, Christopher Glen Ridge, NJ 07028 (US) HURST, Robert, Norman Hopewell, NJ 08525 (US) (74) Representative: Pratt, Richard Wilson  D. Young & Co, 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)