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(11)

EP 3 740 942 A1

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(43) Date of publication: 25.11.2020 Bulletin 2020/48 (21) Application number: 18811100.9 (22) Date of filing: 22.10.2018

(51) International Patent Classification (IPC):  G08B 29/04(2006.01) G08B 29/16(2006.01) G08B 13/12(2006.01) (86) International application number: PCT/US2018/056819 (87) International publication number: WO 2019/139658 (18.07.2019 Gazette 2019/29)

(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: 15.01.2018 US 201815871492 (71) Applicant: Gulas, William P. Birmingham, AL 35244 (US)	(72) Inventor: Gulas, William P. Birmingham, AL 35244 (US) (74) Representative: Invent Horizon IP  Nordenskiöldsgatan 11A 211 19 Malmö 211 19 Malmö (SE)