(19)
(11) EP 3 871 203 A1

(12)

(43) Date of publication:
01.09.2021 Bulletin 2021/35

(21) Application number: 19794507.4

(22) Date of filing: 23.10.2019
(51) International Patent Classification (IPC): 
G08B 17/113(2006.01)
G08B 29/18(2006.01)
(86) International application number:
PCT/EP2019/078937
(87) International publication number:
WO 2020/084010 (30.04.2020 Gazette 2020/18)
(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: 25.10.2018 SE 1851321

(71) Applicant: O&G Research & Development AB
102 43 Stockholm (SE)

(72) Inventors:
  • OLSSON, Michael
    113 53 Stockholm (SE)
  • GRÖNSTEDT, Rickard
    115 30 Stockholm (SE)
  • RYDLE, Mikael
    118 42 Stockholm (SE)

(74) Representative: Noréns Patentbyrå AB 
Box 10198
100 55 Stockholm
100 55 Stockholm (SE)

   


(54) SAFETY DEVICE FOR A FIRE DETECTOR