(19)

(11)

EP 2 277 267 A2

(12)

(88) Date of publication A3: 23.12.2009 (43) Date of publication: 26.01.2011 Bulletin 2011/04 (21) Application number: 09732693.8 (22) Date of filing: 25.03.2009

(51) International Patent Classification (IPC):  H03K 19/0175(2006.01) H03K 3/0233(2006.01) H03K 6/02(2006.01) H03K 3/356(2006.01) (86) International application number: PCT/GB2009/050279 (87) International publication number: WO 2009/127848 (22.10.2009 Gazette 2009/43)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 18.04.2008 GB 0807148 (71) Applicant: Elonics Limited Livingston, Lothian EH54 7EG (GB)	(72) Inventor: WILSON, David Fife KY12 0PW (GB) (74) Representative: Walker, Stephen  Murgitroyd & Company Scotland House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)