Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1982-11-23
1986-04-08
Hecker, Stuart N.
Dynamic magnetic information storage or retrieval
Record medium
In container
360 97, 360 99, 206444, G11B 2303, G11B 5012, G11B 5016, B65D 8530
Patent
active
045816700
ABSTRACT:
A flexible magnetic disc cassette contains a flexible magnetic disc. The disc cassette carries a slidably mounted shutter which closes or opens head access openings.
The shutter has openings formed therein, and has projections inserted into a groove in the cassette for guiding the shutter.
The edge of the disc cassette supporting the shutter has a plurality of projections which are provided for controlling operation of the shutter in association with the opening and closing operations of the shutter.
REFERENCES:
patent: 4266784 (1981-05-01), Torrington
patent: 4445155 (1984-04-01), Takahashi et al.
Nemoto Tsuneo
Ozawa Kazuo
Sawa Tetsuo
Garcia Alfonso
Hecker Stuart N.
Sony Corporation
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