(19)

(11)

EP 3 275 206 A2

(12)

(88) Date of publication A3: 22.12.2016 (43) Date of publication: 31.01.2018 Bulletin 2018/05 (21) Application number: 16725613.0 (22) Date of filing: 22.03.2016

(51) International Patent Classification (IPC):  H04R 1/10(2006.01) F21V 21/084(2006.01) A61B 5/0476(2006.01) F21L 4/00(2006.01) (86) International application number: PCT/NO2016/050055 (87) International publication number: WO 2016/153359 (29.09.2016 Gazette 2016/39)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 23.03.2015 EP 15160323 23.03.2015 US 201514666046 (71) Applicant: Freebit AS 0208 Oslo (NO)	(72) Inventor: SANDANGER, Vidar Oslo 0208 (NO) (74) Representative: Acapo AS  P.O. Box 1880 Nordnes 5817 Bergen 5817 Bergen (NO)