(19)

(11)

EP 0 612 462 A1

(12)

(43) Date of publication: 31.08.1994 Bulletin 1994/35 (21) Application number: 92923180.0 (22) Date of filing: 16.11.1992

(51) International Patent Classification (IPC):  H05B 6/ 80( . ) (86) International application number: PCT/GB1992/002124 (87) International publication number: WO 1993/010648 (27.05.1993 Gazette 1993/13)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 15.11.1991 GB 19910024283 (71) Applicants: JANNAWAY, John Worthing, West Sussex BN14 9JF (GB) WOODMAN, David Guy Aldershot, Hampshire GU12 6DX (GB)	(72) Inventors: JANNAWAY, John Worthing, West Sussex BN14 9JF (GB) WOODMAN, David Guy Aldershot, Hampshire GU12 6DX (GB) (74) Representative: Gibson, Stewart Harry  URQUHART-DYKES & LORD, Three Trinity Court, 21-27 Newport Road Cardiff CF2 1AA Cardiff CF2 1AA (GB)