(19)

(11)

EP 3 341 878 A1

(12)

(43) Date of publication: 04.07.2018 Bulletin 2018/27 (21) Application number: 15902410.8 (22) Date of filing: 24.08.2015

(51) International Patent Classification (IPC):  G06F 21/00(2013.01) B42D 19/00(2006.01) G06K 9/74(2006.01) (86) International application number: PCT/US2015/046514 (87) International publication number: WO 2017/034540 (02.03.2017 Gazette 2017/09)

(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: MA (71) Applicant: Spectra Systems Corporation Providence, RI 02903 (US)	(72) Inventor: LAWANDY, Nabil Saunderstown, RI 02874 (US) (74) Representative: EIP  EIP Europe LLP Fairfax House 15 Fulwood Place London WC1V 6HU London WC1V 6HU (GB)