(19)

(11)

EP 0 341 289 A1

(12)

(43) Date of publication: 15.11.1989 Bulletin 1989/46 (21) Application number: 89900062.0 (22) Date of filing: 18.11.1988

(51) International Patent Classification (IPC):  G06F 3/ 147( . ) G06F 17/ 30( . ) G06F 15/ 02( . ) (86) International application number: PCT/US1988/003994 (87) International publication number: WO 1989/005023 (01.06.1989 Gazette 1989/12)

(84) Designated Contracting States: DE FR GB (30) Priority: 24.11.1987 US 19870124593 (71) Applicant: FERNANDEZ, Emilio A McLean, VA 22101 (US)	(72) Inventor: FERNANDEZ, Emilio A McLean, VA 22101 (US) (74) Representative: Avery, Stephen John, et al  Hoffmann, Eitle & Partner Patentanwälte Postfach 81 04 20 D-81904 München D-81904 München (DE)