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(11)

EP 4 189 657 A1

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(43) Date of publication: 07.06.2023 Bulletin 2023/23 (21) Application number: 21749653.8 (22) Date of filing: 30.07.2021

(51) International Patent Classification (IPC):  G08B 29/04(2006.01) G08B 17/10(2006.01) G08B 17/107(2006.01) G08B 29/14(2006.01) G08B 17/11(2006.01) G08B 17/113(2006.01) (52) Cooperative Patent Classification (CPC): G08B 17/107; G08B 17/113; G08B 29/043; G08B 29/145 (86) International application number: PCT/EP2021/071403 (87) International publication number: WO 2022/023532 (03.02.2022 Gazette 2022/05)

(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: 30.07.2020 GB 202011881 (71) Applicant: FireAngel Safety Technology Limited Sir William Lyons Road Coventry CV4 7EZ (GB)	(72) Inventor: BOLGER, Chris Kenilworth CV8 1JL (GB) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)