(19)
(11) EP 0 250 560 A1

(12)

(43) Date of publication:
07.01.1988 Bulletin 1988/01

(21) Application number: 87900560.0

(22) Date of filing: 15.12.1986
(51) International Patent Classification (IPC): 
G11B 5/ 716( . )
G11B 5/ 02( . )
G11B 5/ 65( . )
G11B 5/ 667( . )
G11B 5/ 74( . )
G11B 5/ 00( . )
G11B 5/ 09( . )
G11B 5/ 66( . )
G11B 5/ 72( . )
(86) International application number:
PCT/US1986/002732
(87) International publication number:
WO 1987/003728 (18.06.1987 Gazette 1987/13)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 13.12.1985 US 19850808921

(71) Applicant: AMPEX CORPORATION
Redwood City California 94063-3199 (US)

(72) Inventors:
  • WOOD, Roger, W.
    Manteca, CA 95336 (US)
  • GOOCH, Beverley, R.
    Sunnyvale, CA 94087 (US)
  • NIEDERMEYER, Rex
    Redwood City, CA 94062 (US)

(74) Representative: Horton, Andrew Robert Grant, et al 
BOWLES HORTON Felden House Dower Mews High Street
Berkhamsted Hertfordshire HP4 2BL
Berkhamsted Hertfordshire HP4 2BL (GB)

   


(54) MAGNETIC RECORDER MEDIUM HAVING DISCRETE MAGNETIC STORAGE AND SATURABLE LAYERS AND MAGNETIC SIGNAL PROCESSING APPARATUS AND METHOD USING THE MEDIUM