(19)

(11)

EP 2 699 842 A1

(12)

(43) Date of publication: 26.02.2014 Bulletin 2014/09 (21) Application number: 12774804.4 (22) Date of filing: 19.04.2012

(51) International Patent Classification (IPC):  F21V 21/02(2006.01) F21S 2/00(2006.01) H02G 3/10(2006.01) F21V 21/34(2006.01) H02G 3/06(2006.01) H05B 33/02(2006.01) (86) International application number: PCT/FI2012/050389 (87) International publication number: WO 2012/143615 (26.10.2012 Gazette 2012/43)

(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 (30) Priority: 19.04.2011 EP 11397507 (71) Applicant: Purso Oy 37200 Siuro (FI)	(72) Inventor: LEHTONEN, Mika FI-37130 Nokia (FI) (74) Representative: Tampereen Patenttitoimisto Oy  Hermiankatu 1 B 33720 Tampere 33720 Tampere (FI)