(19)
(11) EP 2 005 428 A2

(12)

(88) Date of publication A3:
06.12.2007

(43) Date of publication:
24.12.2008 Bulletin 2008/52

(21) Application number: 07735201.1

(22) Date of filing: 21.03.2007
(51) International Patent Classification (IPC): 
G11B 7/125(2006.01)
G11B 7/14(2006.01)
(86) International application number:
PCT/IB2007/050981
(87) International publication number:
WO 2007/113715 (11.10.2007 Gazette 2007/41)
(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 MT NL PL PT RO SE SI SK TR

(30) Priority: 30.03.2006 CN 200610071858

(71) Applicant: Koninklijke Philips Electronics N.V.
5621 BA Eindhoven (NL)

(72) Inventors:
  • CHEN, Dayu
    Shanghai 200070 (CN)
  • GOOSSENS, Henk
    Shanghai 200070 (CN)
  • ZHAN, Qiang
    Shanghai 200070 (CN)

(74) Representative: Uittenbogaard, Frank 
Philips Intellectual Property & Standards P.O. Box 220
5600 AE Eindhoven
5600 AE Eindhoven (NL)

   


(54) A METHOD AND APPARATUS FOR CONTROLLING LASER POWER FOR A PLURALITY OF LASER BEAMS