(19)

(11)

EP 1 581 823 A1

(12)

(43) Date of publication: 05.10.2005 Bulletin 2005/40 (21) Application number: 04700142.5 (22) Date of filing: 05.01.2004

(51) International Patent Classification (IPC)7: G01T 1/29, G01T 1/24, G01T 1/20 (86) International application number: PCT/IB2004/000011 (87) International publication number: WO 2004/061480 (22.07.2004 Gazette 2004/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 06.01.2003 US 438221 P (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: PETRILLO, Michael, J. Cleveland, OH 44143 (US) KARPATI, Thomas, C. Cleveland, OH 44143 (US) HANSEN, Kim, H. Cleveland, OH 44143 (US) (74) Representative: Schouten, Marcus Maria  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)