(19)

(11)

EP 1 792 316 A1

(12)

(43) Date of publication: 06.06.2007 Bulletin 2007/23 (21) Application number: 05777312.9 (22) Date of filing: 29.08.2005

(51) International Patent Classification (IPC):  G11B 27/10(2006.01) (86) International application number: PCT/IB2005/052823 (87) International publication number: WO 2006/027715 (16.03.2006 Gazette 2006/11)

(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 LV MC NL PL PT RO SE SI SK TR (30) Priority: 10.09.2004 CN 200410079139 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: Wei, Gongming, Philips Electronics China Shanghai 200070 (CN) Wang, Bei 5600 JB Eindhoven (NL) (74) Representative: Uittenbogaard, Frank  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)