(19)

(11)

EP 1 232 553 A1

(12)

(43) Date of publication: 21.08.2002 Bulletin 2002/34 (21) Application number: 00976174.3 (22) Date of filing: 17.11.2000

(51) International Patent Classification (IPC)7: H02J 3/14 (86) International application number: PCT/GB0004/389 (87) International publication number: WO 0103/7392 (25.05.2001 Gazette 2001/21)

(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: 17.11.1999 GB 9927142 (71) Applicant: Carver plc Walsall,West Midlands WS9 8QD (GB)	(72) Inventors: WRIGHT, Alan Thomas Wolverhampton WV8 1RQ (GB) BRYER, Keith Nigel Walsall WS3 4EX (GB) (74) Representative: Croft, Michael John  Wilson Gunn Skerrett,Charles House,148/9 Great Charles Street Birmingham B3 3HT Birmingham B3 3HT (GB)