Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1985-12-17
1988-02-23
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 23087
Patent
active
047274450
ABSTRACT:
A resiliently-mounted protective cover mounted on a magnetic tape cassette is controllably moved between exposed and protected positions along substantially the same path of movement during each use of the cassette. Blocking walls are provided in the interior of the cassette for preventing contaminants from reaching and contacting the magnetic tape therein.
REFERENCES:
patent: 4519521 (1985-05-01), Yoshii
Sakata Yoshiya
Satoh Takateru
Shiba Haruo
Tanaka Kimio
TDK Corporation
Tupper Robert S.
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