(19)

(11)

EP 0 363 354 A1

(12)

(43) Date of publication: 18.04.1990 Bulletin 1990/16 (21) Application number: 87907624.0 (22) Date of filing: 09.11.1987

(51) International Patent Classification (IPC):  G01S 7/ 22( . ) G09G 5/ 39( . ) G09G 3/ 36( . ) (86) International application number: PCT/IT1987/000092 (87) International publication number: WO 1989/004495 (18.05.1989 Gazette 1989/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (71) Applicant: CISET S.P.A. I-Roma (IT)	(72) Inventor: CARTIA, Girolamo I-Roma (IT) (74) Representative: ISABELLA VALENZI, Luigi  Largo Arenula, 11 Roma Roma (IT)