Magnetooptical recording apparatus with parts arranged to minimi

Details Magnetooptical recording apparatus with parts arranged to minimi Magnetooptical recording apparatus with parts arranged to minimi

1991-03-06

1992-02-11

Levy, Stuart S.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360114, 360 59, 365122, G11B 1304, G11B 1110, G11B 1112

Patent

active

050880748

ABSTRACT:
A recording apparatus for recording data on a magnetooptical disk includes a rotating device for rotating the magnetooptical disk, a laser device for irradiating the magnetooptical disk, a controller for controlling the intensity of the laser beam, an initial field applying device for initializing the magnetooptical disk, and a bias field applying device for applying a bias field to an area of the magnetooptical disk. The laser device, the controller, and the field applying devices are positioned at the same side of the magnetooptical disk as the rotating device to reduce the height of the apparatus.

REFERENCES:
patent: 4855975 (1989-08-01), Akasaka et al.
patent: 4878132 (1989-10-01), Aratani et al.
patent: 4879703 (1989-11-01), Kaku
patent: 4908809 (1990-03-01), Tadokoro et al.
patent: 4914643 (1990-04-01), Maeda
patent: 4962492 (1990-10-01), Mathildus et al.

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