Magnetic recording/reproducing device with a function of correct

Details Magnetic recording/reproducing device with a function of correct Magnetic recording/reproducing device with a function of correct

1997-01-06

1999-10-19

Faber, Alan

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

G11B 503

Patent

active

059698969

ABSTRACT:
A magnetic recording/reproducing device has an inductive write element provided with a coil and magnetic cores for recording information on a medium, a magnetoresistive read element for transducing a change in a magnetic field leaking from a medium, on which information is recorded, into an electrical signal, a detector for detecting an output signal of the read element, a bias field applying unit for applying a bias field to the read element, and a recording/reproducing operation controller for reproducing information based on an output signal from the read element and for controlling the recording current applying unit based on an inputted signal to record information. The recording/reproducing operation control unit has a stabilizing unit for controlling the bias field applying unit to make an absolute value of the bias field in a state where a magnetic field leaking from the medium is applied to the read element larger than that during a normal reproducing operation.

REFERENCES:
patent: 5206590 (1993-04-01), Dieny
patent: 5412518 (1995-05-01), Christner
patent: 5615063 (1997-03-01), Kuroki et al.
patent: 5650887 (1997-07-01), Dovek
patent: 5719719 (1998-02-01), Tsuyoshi
Abstract of Japanese Patent No. 408306011A to Toshiba Corp., Nov. 22, 1996.
Abstract of Japanese Patent No. 407220208A to Fujitsu, Aug. 18, 1995.
Meeting of the Magnetic Society of Japan, vol. 24, A-10, Dec. 1995, Nakamoto et al.

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