Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1992-10-28
1994-06-28
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
360 60, 360133, G11B 1504, G11B 2302
Patent
active
053252560
ABSTRACT:
A disk cartridge wherein a record medium is accommodated in a casing composed of an upper casing and a lower casing, and slidably attached with a write protector for opening and closing a detection opening for preventing an erroneous erasure of signals in the record medium characterized in that the write protector is integrally formed in a first one of the upper casing and the lower casing connected to the first one through a connecting portion; and guide walls for stoppers provided at upper portions of the write protector and a closed portion of the detection opening for sliding the write protector, are attached to a second one of the upper casing and the lower casing.
REFERENCES:
patent: 4460930 (1984-07-01), Takahashi
patent: 5073889 (1991-12-01), Rayner
patent: 5121279 (1992-06-01), Saeki et al.
patent: 5155647 (1992-10-01), Otani
Ikebe Masaru
Miyazaki Yukio
Shiba Haruo
TDK Corporation
Watkins Kevin M.
Wolff John H.
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