(19)

(11)

EP 2 235 510 A1

(12)

(43) Date of publication: 06.10.2010 Bulletin 2010/40 (21) Application number: 09702507.6 (22) Date of filing: 15.01.2009

(51) International Patent Classification (IPC):  G01N 24/08(2006.01) G01R 33/28(2006.01) G01R 33/46(2006.01) (86) International application number: PCT/IB2009/050145 (87) International publication number: WO 2009/090610 (23.07.2009 Gazette 2009/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 18.01.2008 US 22084 P (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: ALBU, Lucian, Remus NL-5656AE Eindhoven (NL) ELGORT, Daniel, R. NL-5656AEEindhoven (NL) MUKHERJEE, Satyen NL-5656AE Eindhoven (NL) (74) Representative: Kroeze, Johannes Antonius  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)