(19)

(11)

EP 0 855 131 A1

(12)

(43) Date of publication: 29.07.1998 Bulletin 1998/31 (21) Application number: 96933551.0 (22) Date of filing: 11.10.1996

(51) International Patent Classification (IPC):  H05B 3/ 26( . ) (86) International application number: PCT/GB1996/002503 (87) International publication number: WO 1997/014269 (17.04.1997 Gazette 1997/17)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 11.10.1995 GB 19950020819 13.03.1996 GB 19960005346 (71) Applicant: STRIX LIMITED Ronaldsway, Isle of Man IM9 2RG (GB)	(72) Inventors: TAYLOR, John Crawshaw, Cronk My Chree Arbory Road Isle of Man IM9 4HA (GB) DOYLE, Keith Barrie, Radnor House Tetbury Gloucestershire GL8 8GY (GB) (74) Representative: Leckey, David Herbert  Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)