(19)

(11)

EP 4 241 380 A1

(12)

(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21815269.2 (22) Date of filing: 08.11.2021

(51) International Patent Classification (IPC):  H03K 17/94(2006.01) H03K 17/945(2006.01) (52) Cooperative Patent Classification (CPC): H03K 17/941; H03K 2017/9455; H03K 2217/94036; H03K 2217/94052; H03K 2217/94106; H03K 2217/94108 (86) International application number: PCT/IB2021/060319 (87) International publication number: WO 2022/097110 (12.05.2022 Gazette 2022/19)

(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: 09.11.2020 IT 202000026612 (71) Applicant: Ribes Tech S.r.l. 20138 Milano (IT)	(72) Inventors: IACCHETTI, Antonio 26012 Castelleone (CR) (IT) SCURATTI, Francesca 20835 Nova Milanese (MB) (IT) (74) Representative: Dall'Olio, Christian et al INVENTION S.r.l. Via delle Armi, 1 40137 Bologna 40137 Bologna (IT)