(19)

(11)

EP 0 201 587 A1

(12)

(43) Date of publication: 20.11.1986 Bulletin 1986/47 (21) Application number: 85905986.0 (22) Date of filing: 12.11.1985

(51) International Patent Classification (IPC):  G11B 5/ 54( . ) G11B 5/ 60( . ) (86) International application number: PCT/US1985/002220 (87) International publication number: WO 1986/003048 (22.05.1986 Gazette 1986/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 13.11.1984 US 19840670265 13.11.1984 US 19840670451 13.11.1984 US 19840670468 (71) Applicant: MEMOREX CORPORATION Santa Clara California 95052 (US)	(72) Inventors: ANANTH, Raju, S. San Jose, CA 95129 (US) VERDONE, Michael Hillsborough, CA 94010 (US)