Magneto-optic disk unit having means for preventing erroneous in

Details Magneto-optic disk unit having means for preventing erroneous in Magneto-optic disk unit having means for preventing erroneous in

1990-04-20

1992-02-11

Trafton, David

Dynamic information storage or retrieval

With particular cabinet structure

Slotted for edgewise insertion of storage disc

369 771, 360 9906, G11B 3302

Patent

active

050880853

ABSTRACT:
A magneto-optic disk unit includes a cartridge holder having an insertion opening, an inside surface and first and second surfaces, an erroneous insertion preventing mechanism having at one end a stopper portion for prohibiting erroneous insertion of a magnetic disk cartridge and at the other end an insertion detecting portion for detecting insertion of a magnetic-optic disk cartridge, and a supporting mechanism for rotatably supporting the erroneous insertion preventing mechanism. The insertion detecting portion projects inside of the cartridge holder from an upper surface of the cartridge holder, so that when the magneto-optic disk cartridge is inserted the insertion detecting portion moves outside of the cartridge holder to allow insertion of the magneto-optic disk cartridge, and that when the magnetic disk cartridge is inserted the insertion detecting portion does not substantially move, thus permitting the stopper portion to prevent insertion of the magnetic disk cartridge.

REFERENCES:
patent: 4603362 (1986-07-01), Sendelweck
patent: 4719526 (1988-01-01), Okita
patent: 4731776 (1988-03-01), Ishii
patent: 4878139 (1989-10-01), Hasegawa

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