Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1990-08-07
1992-06-09
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
360 60, 360132, 360134, G11B 2303, G11B 1904, G11B 1504
Patent
active
051212790
ABSTRACT:
A magnetic disk cartridge includes a write/protect tab adapted to prevent erasure of information recorded in a magnetic disk inserted in a case, and a peripheral wall defined in inner surfaces of corner portions of a pair of case members consisting of a case bottom member and a case cover member, for slidably receiving said write/protect tab therein;
REFERENCES:
patent: 4536812 (1985-08-01), Oishi et al.
patent: 4685017 (1987-08-01), Swinburne et al.
patent: 4796138 (1989-01-01), Ono
patent: 4805061 (1989-02-01), Champagne et al.
Saeki Tetsuo
Watanabe Hidetoshi
Kao Corporation
Wolff John H.
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