(19)

(11)

EP 1 419 494 A2

(12)

(88) Date of publication A3: 25.09.2003 (43) Date of publication: 19.05.2004 Bulletin 2004/21 (21) Application number: 02744073.4 (22) Date of filing: 29.06.2002

(51) International Patent Classification (IPC)7: G08C 17/00 (86) International application number: PCT/SG2002/000144 (87) International publication number: WO 2003/007001 (23.01.2003 Gazette 2003/04)

(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: 10.07.2001 SG 200104113 (71) Applicant: Hi-Power Systems & Industrial Pte Ltd. Singapore 457813 (SG)	(72) Inventors: SALEEM, Usoof Singapore 457813 (SG) AWYONG, Khim Singapore 380062 (SG) (74) Representative: Wilson Gunn M'Caw  5th Floor,Blackfiars House,The Parsonage Manchester M3 2JA Manchester M3 2JA (GB)