(19)

(11)

EP 0 190 249 A1

(12)

(43) Date of publication: 13.08.1986 Bulletin 1986/33 (21) Application number: 85903863.0 (22) Date of filing: 07.08.1985

(51) International Patent Classification (IPC):  G06F 3/ 033( . ) H01H 25/ 04( . ) (86) International application number: PCT/GB1985/000351 (87) International publication number: WO 1986/001319 (27.02.1986 Gazette 1986/05)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 07.08.1984 GB 19840020088 (71) Applicants: KIDD, Graeme Allan Birmingham B17 OEG (GB) GOODWIN, Simon Nicholas West Midlands B66 3SZ (GB)	(72) Inventors: KIDD, Graeme Allan Birmingham B17 OEG (GB) GOODWIN, Simon Nicholas West Midlands B66 3SZ (GB) (74) Representative: Lewis, Samuel Hewitt, et al  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)