(19)

(11)

EP 0 398 883 A1

(12)

(43) Date of publication: 28.11.1990 Bulletin 1990/48 (21) Application number: 88910029.0 (22) Date of filing: 01.12.1988

(51) International Patent Classification (IPC):  G06F 3/ 153( . ) G09G 5/ 36( . ) G09G 5/ 391( . ) G09G 5/ 00( . ) G09G 5/ 39( . ) G09G 5/ 42( . ) (86) International application number: PCT/EP1988/001092 (87) International publication number: WO 1989/005502 (15.06.1989 Gazette 1989/13)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 04.12.1987 IT 19870022902 (71) Applicant: INFOTRONIC S.P.A. I-20121 Milan (IT)	(72) Inventor: NICCOLINI, Marcello I-20121 Milan (IT) (74) Representative: Perani, Aurelio, et al  c/o JACOBACCI & PERANI S.p.A. Via Visconti di Modrone, 7 I-20122 Milano I-20122 Milano (IT)