(19)

(11)

EP 2 556 291 A2

(12)

(88) Date of publication A3: 01.12.2011 (43) Date of publication: 13.02.2013 Bulletin 2013/07 (21) Application number: 11726922.5 (22) Date of filing: 07.04.2011

(51) International Patent Classification (IPC):  F21S 8/02(2006.01) F21V 25/12(2006.01) F21V 17/16(2006.01) F21V 15/06(2006.01) F21V 23/02(2006.01) F21V 29/00(2006.01) (86) International application number: PCT/GB2011/000533 (87) International publication number: WO 2011/124886 (13.10.2011 Gazette 2011/41)

(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: 09.04.2010 GB 201005925 (71) Applicant: Aurora Limited St Albans, Hertfordshire AL4 0JJ (GB)	(72) Inventor: JOHNSON, Andrew St.Albans Hertfordshire AL4 0JJ (GB) (74) Representative: Coates, Ian Harold  Pure Ideas LLP 20 Mandeville Road Hertford, Hertfordshire SG13 8JG Hertford, Hertfordshire SG13 8JG (GB)