(19)

(11)

EP 0 247 086 A1

(12)

(43) Date of publication: 02.12.1987 Bulletin 1987/49 (21) Application number: 86906581.0 (22) Date of filing: 09.10.1986

(51) International Patent Classification (IPC):  H05B 33/ 08( . ) (86) International application number: PCT/US1986/002131 (87) International publication number: WO 1987/002542 (23.04.1987 Gazette 1987/09)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 09.10.1985 US 19850785740 (71) Applicant: NCDI, INC. Manchester, NH 03104 (US)	(72) Inventor: BEAULEY, Lucien, H. Londonderry, NH 03053 (US)