(19)

(11)

EP 2 102 958 A2

(12)

(88) Date of publication A3: 31.07.2008 (43) Date of publication: 23.09.2009 Bulletin 2009/39 (21) Application number: 07848563.8 (22) Date of filing: 14.12.2007

(51) International Patent Classification (IPC):  H02J 3/00(2006.01) H02J 3/38(2006.01) (86) International application number: PCT/GB2007/004823 (87) International publication number: WO 2008/071995 (19.06.2008 Gazette 2008/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 14.12.2006 GB 0624997 (71) Applicant: Disenco Limited Sheffield S9 1XU (GB)	(72) Inventors: COOK, Rachel Elizabeth Sheffield S9 1XU (GB) AMBLER, Simon William Saville Sheffield S9 1XU (GB) PARKIN, Alan Michael Sheffield S9 1XU (GB) (74) Representative: Onsagers Ltd  c/o Innovation Norway 5 Lower Regent Street London SW1Y 4LR London SW1Y 4LR (GB)