(19)

(11)

EP 4 049 463 A1

(12)

(43) Date of publication: 31.08.2022 Bulletin 2022/35 (21) Application number: 20799630.7 (22) Date of filing: 16.10.2020

(51) International Patent Classification (IPC):  H04R 9/04(2006.01) H04R 1/02(2006.01) (52) Cooperative Patent Classification (CPC): H04R 1/021; H04R 1/023; H04R 9/046; H04R 2201/029 (86) International application number: PCT/EP2020/079292 (87) International publication number: WO 2021/078656 (29.04.2021 Gazette 2021/17)

(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: 24.10.2019 GB 201915457 (71) Applicant: PSS Belgium NV 9200 Dendermonde (BE)	(72) Inventor: VUINE, Fabian 9200 Dendermonde (BE) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)