Disc cartridge

Details Disc cartridge Disc cartridge

1987-07-14

1989-01-17

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 9912, G11B 2304, G11B 5012

Patent

active

047991232

ABSTRACT:
A disc cartridge having a case, a disc contained in the case, a shutter mechanism for opening and closing a head insertion window and drive shaft insertion hole and a disc clamping mechanism for clamping the disc when the disc is not in use, the disc clamping mechanism functionally entirely independent of the movement of the shutter mechanism.

REFERENCES:
patent: 3416150 (1968-12-01), Lindberg
patent: 3529301 (1970-09-01), Hiruta
patent: 4060840 (1977-11-01), Umeda
patent: 4399480 (1983-08-01), Edwards
patent: 4550355 (1985-10-01), Larson et al.

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