Disc cartridge loading apparatus

Details Disc cartridge loading apparatus Disc cartridge loading apparatus

1993-02-03

1994-07-12

Levy, Stuart S.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369 752, 369 772, G11B 1304, G11B 1702, G11B 2112

Patent

active

053295048

ABSTRACT:
A disc recording apparatus includes a base member, a cartridge holder, a magnetic head and a supporting arm. The base member has a spindle motor to rotationally drive a magneto-optical disc accommodated in a disc cartridge and an optical pickup unit for radiating at least one of light beam on the magneto-optical disc. The cartridge holder holds the disc cartridge. The cartridge holder rotatable is mounted on the base member and moved between a loading position in which the magneto-optical disc is loaded on a disc table mounted on the spindle motor and an unloading position in which the magneto-optical disc is taken out the disc table. The magnetic head generates vertical magnetic field and applies the vertical magnetic field to the magneto-optical disc. The supporting arm supports the magnetic head and is rotatable mounted on the cartridge holder to move corresponding to the movement of the cartridge holder. In the disc recording apparatus, a rotational angle of the supporting arm is larger than a rotational angle of the cartridge holder when the cartridge holder is moved toward the unloading position.

REFERENCES:
patent: 4984225 (1991-01-01), Ando
patent: 4999725 (1991-03-01), Takahashi
patent: 5034933 (1991-07-01), Fujisawa et al.
patent: 5103435 (1992-04-01), Nemoto et al.
patent: 5122998 (1992-06-01), Mizuno et al.
patent: 5195079 (1993-03-01), Inoue eal.

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