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EP 3 625 388 A1

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(43) Date of publication: 25.03.2020 Bulletin 2020/13 (21) Application number: 18753438.3 (22) Date of filing: 21.08.2018

(51) International Patent Classification (IPC):  D06F 75/10(2006.01) D06F 75/00(2006.01) D06F 75/14(2006.01) D06F 75/26(2006.01) D06F 75/12(2006.01) (86) International application number: PCT/EP2018/072566 (87) International publication number: WO 2019/038287 (28.02.2019 Gazette 2019/09)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 25.08.2017 EP 17187973 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: VALIYAMBATH KRISHNAN, Mohankumar 5656 AE Eindhoven (NL) CHIAH, Yao, Hean 5656 AE Eindhoven (NL) KAHYA, Orhan 5656 AE Eindhoven (NL) LIM, Winson, Garcia 5656 AE Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 5 5656 AE Eindhoven 5656 AE Eindhoven (NL)