(19)

(11)

EP 0 935 876 A2

(12)

(43) Date of publication: 18.08.1999 Bulletin 1999/33 (21) Application number: 98936634.0 (22) Date of filing: 19.08.1998

(51) International Patent Classification (IPC):  H04N 7/ 025( . ) H04N 7/ 035( . ) H04N 7/ 03( . ) (86) International application number: PCT/IB1998/001288 (87) International publication number: WO 1999/012336 (11.03.1999 Gazette 1999/10)

(84) Designated Contracting States: AT DE FR GB (30) Priority: 30.08.1997 GB 19970018325 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: KINGHORN, John, Ritchie NL-5656 AA Eindhoven (NL) TARRANT, David, Robert NL-5656 AA Eindhoven (NL) (74) Representative: Andrews, Arthur Stanley  Philips Electronics UK Limited Patents and Trade Marks Department Cross Oak Lane Redhill, Surrey RH1 5HA Redhill, Surrey RH1 5HA (GB)