(19)

(11)

EP 0 050 623 A1

(12)

(43) Date of publication: 05.05.1982 Bulletin 1982/18 (21) Application number: 81900350.0 (22) Date of filing: 28.04.1980

(51) International Patent Classification (IPC):  F21S 8/ 08( . ) G08G 1/ 095( . ) F21S 9/ 03( . ) (86) International application number: PCT/US1980/000526 (87) International publication number: WO 1981/003215 (12.11.1981 Gazette 1981/27)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: DOAN, Duc Los Angeles, CA 90003 (US)	(72) Inventor: DOAN, Duc Los Angeles, CA 90003 (US)