(19)

(11)

EP 0 812 248 A1

(12)

(43) Date of publication: 17.12.1997 Bulletin 1997/51 (21) Application number: 96906439.0 (22) Date of filing: 15.02.1996

(51) International Patent Classification (IPC):  B23K 11/ 11( . ) B23K 11/ 31( . ) (86) International application number: PCT/US1996/002004 (87) International publication number: WO 1996/026038 (29.08.1996 Gazette 1996/39)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 21.02.1995 US 19950391680 (71) Applicant: AURA SYSTEMS, INC. El Segundo, California 90245 (US)	(72) Inventors: LIEBZON, Emanuel Tarzana, CA 91356 (US) LIRAN, Abraham Tarzana, CA 91356 (US) STUART, Keith, O. Cypress, CA 90630 (US) (74) Representative: Cheyne, John Robert Alexander Mackenzie  Haseltine Lake & Co., Imperial House, 15-19 Kingsway London WC2B 6UD London WC2B 6UD (GB)