Write protection device

Details Write protection device Write protection device

1982-11-26

1985-10-22

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 60, G11B 2304, G11B 1504

Patent

active

045492409

ABSTRACT:
A magnetic recording disk cartridge has a write control sensing aperture extending through the cartridge. A shutter is mounted within the cartridge for back and forth rotational movement between aperture blocking and aperture opening positions. The shutter is restrained against accidental movement or drift from these positions. The shutter can be assembled locked in a write protect position and must be reassembled to permit movement between the write protect and write enable positions.

REFERENCES:
patent: 4320422 (1982-03-01), Rinkleib
patent: 4348707 (1982-09-01), Maly et al.
patent: 4460930 (1984-07-01), Takahashi

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