(19)

(11)

EP 2 057 500 A2

(12)

(88) Date of publication A3: 30.10.2008 (43) Date of publication: 13.05.2009 Bulletin 2009/20 (21) Application number: 07805430.1 (22) Date of filing: 17.08.2007

(51) International Patent Classification (IPC):  G02B 27/22(2006.01) H04N 13/00(2006.01) (86) International application number: PCT/IB2007/053277 (87) International publication number: WO 2008/020417 (21.02.2008 Gazette 2008/08)

(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 Designated Extension States: AL BA HR MK RS (30) Priority: 18.08.2006 US 822763 P (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: ZUIDEMA, Hans 5656 AE Eindhoven (NL) WADMAN, Sipke 5656 AE Eindhoven (NL) VAN AGTHOVEN, Raymond, G., A. 5656 AE Eindhoven (NL) JANSSEN, Esther, A., W., G. 5656 AE Eindhoven (NL) (74) Representative: Van Velzen, Maaike Mathilde  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)