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(11)

EP 3 231 255 A1

(12)

(43) Date of publication: 18.10.2017 Bulletin 2017/42 (21) Application number: 15867454.9 (22) Date of filing: 11.12.2015

(51) International Patent Classification (IPC):  H05B 33/08(2006.01) H05B 37/02(2006.01) F21V 23/00(2015.01) H05B 39/04(2006.01) (86) International application number: PCT/SE2015/051327 (87) International publication number: WO 2016/093767 (16.06.2016 Gazette 2016/24)

(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: 12.12.2014 SE 1451534 (71) Applicant: Switchtech AN 422 34 Hisings Backa (SE)	(72) Inventors: PETTERSSON, Mikael SE-414 72 Göteborg (SE) HABIB, Iman SE-431 43 Mölndal (SE) JOSEFSSON, Gustav SE-413 24 Göteborg (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)