(19)

(11)

EP 0 623 209 A1

(12)

(43) Date of publication: 09.11.1994 Bulletin 1994/45 (21) Application number: 93904495.0 (22) Date of filing: 13.01.1993

(51) International Patent Classification (IPC):  G03B 13/ 36( . ) G02B 7/ 36( . ) G02B 7/ 28( . ) (86) International application number: PCT/US1993/000330 (87) International publication number: WO 1993/014384 (22.07.1993 Gazette 1993/18)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE (30) Priority: 14.01.1992 IL 19570001006 (71) Applicants: ZACKS, Shelemyahu Endwell, NY 13760 (US) SOFERMAN, Ziv 52 364 Ramat Gan (IL)	(72) Inventors: ZACKS, Shelemyahu Endwell, NY 13760 (US) SOFERMAN, Ziv 52 364 Ramat Gan (IL) (74) Representative: Barlow, Roy James, et al  J.A. KEMP & CO. 14, South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)