Magneto-optical disk drive having a mechanism for moving a bias

Details Magneto-optical disk drive having a mechanism for moving a bias Magneto-optical disk drive having a mechanism for moving a bias

1991-11-29

1993-04-13

Nguyen, Hoa

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360114, 360 66, 360 59, G11B 1304, G11B 1112, G11B 1110

Patent

active

052028615

ABSTRACT:
A magneto-optical disk drive in which a bias magnetic field coil is mounted on a cassette holder and movable into and out of contact with the cassette holder. A coil base carrying the coil is moved by connecting rods which are rotatably mounted on the cassette holder which is movable while receiving a cartridge therein. The connecting rods are rotated on the basis of a difference between the displacement of a body base which is stationary and the displacement of the cassette holder, whereby the coil base connected to the ends of the connecting rods is moved.

REFERENCES:
patent: 5027334 (1991-06-01), Yamanaka et al.
patent: 5060207 (1991-10-01), Kaneda et al.

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