(19)

(11)

EP 1 031 238 A1

(12)

(43) Date of publication: 30.08.2000 Bulletin 2000/35 (21) Application number: 98958556.7 (22) Date of filing: 13.11.1998

(51) International Patent Classification (IPC)7: H04N 7/30, H04N 7/32 (86) International application number: PCT/US9824/189 (87) International publication number: WO 9926/418 (27.05.1999 Gazette 1999/21)

(84) Designated Contracting States: BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 14.11.1997 US 66638 P (71) Applicant: Analysis & Technology, Inc. North Stonington, CT 06359 (US)	(72) Inventors: NGUYEN, Truong, Q. Burlington, MA 01803 (US) ROSIENE, Joel Colchester, CT 06415 (US) (74) Representative: Charig, Raymond Julian  Eric Potter Clarkson,Park View House,58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)