(19)

(11)

EP 0 217 865 A1

(12)

(43) Date of publication: 15.04.1987 Bulletin 1987/16 (21) Application number: 86902193.0 (22) Date of filing: 19.03.1986

(51) International Patent Classification (IPC):  G08B 17/ 10( . ) (86) International application number: PCT/US1986/000551 (87) International publication number: WO 1986/005908 (09.10.1986 Gazette 1986/22)

(84) Designated Contracting States: DE FR GB IT SE (30) Priority: 25.03.1985 US 19850715613 (71) Applicant: RASHLEGER, John L. San Carlos, CA 94070 (US)	(72) Inventor: RASHLEGER, John L. San Carlos, CA 94070 (US)