Magneto-optical recording and reproducing apparatus with magneti

Details Magneto-optical recording and reproducing apparatus with magneti Magneto-optical recording and reproducing apparatus with magneti

1987-10-19

1990-06-26

Faber, Alan

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360114, 360 45, G11B 1314, G11B 1112

Patent

active

049378015

ABSTRACT:
In a magneto-optical recording and reproducing apparatus for effecting the recording of information, etc. by irradiating a magnetic recording layer of a magneto-optical disk with a laser beam focued by an objective lens and applying a magnetic field to a portion of the magnetic recording layer irradiated with the laser beam, the strength of the magnetic field is controlled by a signal to drive the objective lens for focusing the laser beam onto the magnetic recording layer.

REFERENCES:
patent: 4280215 (1981-07-01), Okano
patent: 4410969 (1983-10-01), Maeda
patent: 4725721 (1988-02-01), Nakamura et al.

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