Optical/optomagnetic disk apparatus

Details Optical/optomagnetic disk apparatus Optical/optomagnetic disk apparatus

1989-04-26

1992-09-08

Shoop, Jr., William M.

Dynamic information storage or retrieval

With particular cabinet structure

Slotted for edgewise insertion of storage disc

360 9906, 365122, G11B 3302

Patent

active

051464470

ABSTRACT:
An optomagnetic disk apparatus includes a holder for holding a cartridge which stores an optomagnetic disk therein and which is moved while a cartridge having an openable shutter is held therein. Shutter openers for opening/closing the shutter are movably arranged on the holder. A wire is looped between the shutter openers. Ends of the wire are fixed to the frame. When the holder is moved, the wire is pulled, and the shutter openers are selectively moved to open/close the shutter. The optomagnetic disk apparatus also includes a magnet unit for applying an external magnetic field to the optomagnetic disk when information is erased from or written in the optomagnetic disk. The magnet unit has a flat sectional shape and is rotatable.

REFERENCES:
patent: 4416003 (1983-11-01), Suzuki
patent: 4545003 (1985-10-01), Hirano et al.
patent: 4701895 (1987-10-01), Van Sant
patent: 4706232 (1987-11-01), Funada et al.
patent: 4794481 (1988-12-01), Suyama et al.
patent: 4811137 (1989-03-01), Muto et al.
patent: 4825428 (1989-04-01), Toki
patent: 4866693 (1989-09-01), Odawara et al.
patent: 4896312 (1990-01-01), Odawara et al.

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