(19)

(11)

EP 1 745 484 A2

(12)

(43) Date of publication: 24.01.2007 Bulletin 2007/04 (21) Application number: 05718697.5 (22) Date of filing: 12.04.2005

(51) International Patent Classification (IPC):  G11B 27/10(2006.01) (86) International application number: PCT/IB2005/051191 (87) International publication number: WO 2005/106879 (10.11.2005 Gazette 2005/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR LV MK YU (30) Priority: 29.04.2004 CN 200410045668 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: PENG, Yang, Philips Electronics China Shanghai 200070 (CN) HE, Dahua, Philips Electronics Ching Shanghai 200070 (CN) JIN, Sheng, Philips Electronics China Shanghai 200070 (CN) (74) Representative: Uittenbogaard, Frank  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)