Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1986-07-23
1988-03-29
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
360128, G11B 2302
Patent
active
047348151
ABSTRACT:
A disc cartridge which comprises an outer case formed of a top half and a bottom half assembled to the top half to provide a disc chamber for accommodating a recording disc adapted to be rotated, a pair of pressure plates mounted in the top half and bottom half so as to oppose each other, cleaning sheets laid between a disc and the pressure plates and openings defined respectively in the top half and bottom half so as to correspond to each of the pressure plates for pressing the pressure plates toward the disc.
REFERENCES:
patent: 4482929 (1984-11-01), Beck et al.
Fujita Minoru
Fukunaga Kazuya
Kato Yoshitake
Naganawa Nobuhiko
Hitachi Maxell Ltd.
Wolff John H.
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