(19)

(11)

EP 1 309 259 A1

(12)

(43) Date of publication: 14.05.2003 Bulletin 2003/20 (21) Application number: 01953260.5 (22) Date of filing: 02.08.2001

(51) International Patent Classification (IPC)7: A47C 20/04, H03K 17/955 (86) International application number: PCT/GB0103/469 (87) International publication number: WO 0201/1585 (14.02.2002 Gazette 2002/07)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 03.08.2000 GB 0018914 30.05.2001 GB 0113168 (71) Applicant: Smarta Systems Limited Llandarcy,Neath SA10 6EJ (GB)	(72) Inventor: REES John Christopher Mumbles,Swansea SA3 4HZ (GB) (74) Representative: Spittle, Mark Charles  Urquhart Dykes & Lord,Three Trinity Court,21-27 Newport Road Cardiff CF24 0AA Cardiff CF24 0AA (GB)