(19)

(11)

EP 3 830 815 A1

(12)

(43) Date of publication: 09.06.2021 Bulletin 2021/23 (21) Application number: 18762914.2 (22) Date of filing: 02.08.2018

(51) International Patent Classification (IPC):  G09F 27/00(2006.01) A63K 1/00(2006.01) G09F 19/22(2006.01) G08G 1/00(2006.01) (86) International application number: PCT/IB2018/054975 (87) International publication number: WO 2020/025996 (06.02.2020 Gazette 2020/06)

(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 (71) Applicant: DZ Engineering Srl 47122 Forli' (IT)	(72) Inventor: ZOLI, Monica 47122 Forli' (IT) (74) Representative: Minghetti, Mauro  Apta S.r.l. Piazza dei Martiri, 1 40121 Bologna 40121 Bologna (IT)