Optical magnetic recording and reproducing system

Details Optical magnetic recording and reproducing system Optical magnetic recording and reproducing system

1990-10-31

1992-03-03

Levy, Stuart S.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360114, 360 66, G11B 1304, G11B 1112, G11B 1110

Patent

active

050938169

ABSTRACT:
An optical magnetic recording system has a magnetic head for generating a magnetic field on a magneto-optical disk, and an optical head including a magnetic actuator is provided for irradiating a laser beam. A field cancellation magnet is attached to the back of the magnetic head for producing a magnetic force so as to cancel a leakage magnetic force of the magnetic actuator which affects recording of information. This positioning of the field cancellation magnet provides better compensation of the leakage field without affecting the modulating field of the magnetic head.

REFERENCES:
patent: 4672594 (1987-06-01), Kato et al.
patent: 4787002 (1988-11-01), Isozaki

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