Method of controlling recording magnetic field applied by gap of

Details Method of controlling recording magnetic field applied by gap of Method of controlling recording magnetic field applied by gap of

1988-09-13

1990-12-18

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

360 61, G11B 509, G11B 1512

Patent

active

049790536

ABSTRACT:
A magnetic disk apparatus comprises an access section including a read/write head, for applying to a magnetic disk a recording magnetic field in a gap of the read/write head in accordance with input generation control data. A discriminator discriminates a recording density of the magnetic disk and outputs recording density data representing the recording density to a access controller. The access controller generates and outputs to the access section the generation control data in accordance with input write data and the recording density data from the discriminator.

REFERENCES:
patent: 4644419 (1987-02-01), Iinuma et al.
patent: 4656533 (1987-04-01), Sakai et al.
patent: 4724493 (1988-02-01), Nakamura
patent: 4803571 (1989-02-01), Fujioka et al.
patent: 4805047 (1989-02-01), Nasu et al.
"Magnetic Tape Instrumention", by Davis, McGraw-Hill Book Co. Inc., .COPYRGT.1961, p. 15.

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