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EP 3 622 109 A1

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(43) Date of publication: 18.03.2020 Bulletin 2020/12 (21) Application number: 18753431.8 (22) Date of filing: 21.08.2018

(51) International Patent Classification (IPC):  D06F 75/10(2006.01) G06F 3/0484(2013.01) D06F 87/00(2006.01) (86) International application number: PCT/EP2018/072498 (87) International publication number: WO 2019/038256 (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 17187958 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: ONG, Chee, Keong 5656 AE Eindhoven (NL) THIRUMAZHISAI, SANKARALINGAM, Tamilselvan 5656 AE Eindhoven (NL) XU, Linfang 5656 AE Eindhoven (NL) YAP, Seek, Mooi 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)