(19)

(11)

EP 2 747 626 A1

(12)

(43) Date of publication: 02.07.2014 Bulletin 2014/27 (21) Application number: 12778420.5 (22) Date of filing: 17.08.2012

(51) International Patent Classification (IPC):  A47L 11/40(2006.01) A47L 9/04(2006.01) (86) International application number: PCT/IB2012/054200 (87) International publication number: WO 2013/027164 (28.02.2013 Gazette 2013/09)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 23.08.2011 US 201161526316 P (71) Applicant: Koninklijke Philips N.V. 5656 AE Eindhoven (NL)	(72) Inventors: VAN DER KOOI, Johannes, Tseard NL-5656 AE Eindhoven (NL) ROUMEN, Britt NL-5656 AE Eindhoven (NL) (74) Representative: Coops, Peter  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)