(19)

(11)

EP 3 729 177 A1

(12)

(43) Date of publication: 28.10.2020 Bulletin 2020/44 (21) Application number: 19766538.3 (22) Date of filing: 13.03.2019

(51) International Patent Classification (IPC):  G02B 27/01(2006.01) G06T 19/00(2011.01) G06T 7/20(2017.01) G06F 3/01(2006.01) G06T 3/40(2006.01) (86) International application number: PCT/US2019/022121 (87) International publication number: WO 2019/178276 (19.09.2019 Gazette 2019/38)

(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: 13.03.2018 US 201862642488 P (71) Applicant: Winston, Ronald New York, NY 10075 (US)	(72) Inventors: TIGAR, Michael Newhall, CA 91321 (US) WINSTON, Ronald New York, NY 10075 (US) (74) Representative: Hargreaves, Timothy Edward  Marks & Clerk LLP 40 Torphichen Street Edinburgh EH3 8JB Edinburgh EH3 8JB (GB)