(19)

(11)

EP 0 235 250 A1

(12)

(43) Date of publication: 09.09.1987 Bulletin 1987/37 (21) Application number: 86905511.0 (22) Date of filing: 18.08.1986

(51) International Patent Classification (IPC):  G01R 13/ 28( . ) G06F 11/ 25( . ) G01R 31/ 28( . ) (86) International application number: PCT/US1986/001680 (87) International publication number: WO 1987/001207 (26.02.1987 Gazette 1987/05)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 23.08.1985 US 19850769152 (71) Applicant: OUTLOOK TECHNOLOGY, INC. Campbell, CA 95008 (US)	(72) Inventor: BLANDING, Curtis, J. Los Gatos, CA 95030 (US) (74) Representative: Kopacz, William James  83, Avenue Foch F-75116 Paris F-75116 Paris (FR)