(19)

(11)

EP 0 394 371 A1

(12)

(43) Date of publication: 31.10.1990 Bulletin 1990/44 (21) Application number: 89903866.0 (22) Date of filing: 07.10.1988

(51) International Patent Classification (IPC):  A45C 11/ 18( . ) G08B 21/ 24( . ) G08B 13/ 14( . ) (86) International application number: PCT/US1988/003527 (87) International publication number: WO 1990/004240 (19.04.1990 Gazette 1990/09)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (71) Applicant: KOPEL, David Chatsworth, CA 91311 (US)	(72) Inventor: KOPEL, David Chatsworth, CA 91311 (US) (74) Representative: Schaumburg, Thoenes & Thurn  Mauerkircherstrasse 31 D-81679 München D-81679 München (DE)