(19)

(11)

EP 4 445 356 A1

(12)

(43) Date of publication: 16.10.2024 Bulletin 2024/42 (21) Application number: 23715211.1 (22) Date of filing: 21.03.2023

(51) International Patent Classification (IPC):  G08B 17/107(2006.01) G08B 29/18(2006.01) G08B 17/113(2006.01) (52) Cooperative Patent Classification (CPC): G08B 17/107; G08B 17/113; G08B 29/18 (86) International application number: PCT/GB2023/050715 (87) International publication number: WO 2023/180735 (28.09.2023 Gazette 2023/39)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 21.03.2022 GB 202203953 (71) Applicant: FireAngel Safety Technology Limited Sir William Lyons Road Coventry CV4 7EZ (GB)	(72) Inventors: HOPKIN, Christopher Coventry CV4 7EZ (GB) MATHARU, Maninder Coventry CV4 7EZ (GB) BOLGER, Christopher Coventry CV4 7EZ (GB) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)