(19)

(11)

EP 0 222 000 A1

(12)

(43) Date of publication: 20.05.1987 Bulletin 1987/21 (21) Application number: 86903811.0 (22) Date of filing: 13.05.1986

(51) International Patent Classification (IPC):  A47B 81/ 00( . ) G11B 33/ 04( . ) A47B 81/ 06( . ) (86) International application number: PCT/US1986/001041 (87) International publication number: WO 1986/006599 (20.11.1986 Gazette 1986/25)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 17.05.1985 US 19850735457 (71) Applicant: DATASECURE SYSTEMS, INC. Norwalk, CT 06851 (US)	(72) Inventors: ALLEN, John, Carlin, Jr. Norwalk, CT 06851 (US) ALLEN, Kimberly, Johnston Darien, CT 06820 (US) YOLLES, Martin, Alan Westport, CT 06880 (US) (74) Representative: Blatchford, William Michael  Withers & Rogers 4 Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)