Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1986-12-16
1988-11-15
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 2303
Patent
active
047853689
ABSTRACT:
A disc cartridge capable of effectively preventing misoperation. The disc cartridge includes a write enable plug, a display section for indicating operation of the plug and a detection hole which are provided at each of upper and lower cover plates constituting a casing. The display section and detection hole of the upper cover plate are arranged opposite to the detection hole and display section of the lower cover plate respectively, and the write enable plug is arranged slidable with respect to the detection hole. Also, the disc cartridge includes a slide button for slidably actuating each of the write enable plugs, which is arranged so as to be operated from outside said casing.
REFERENCES:
patent: 4536812 (1985-08-01), Oismi et al.
patent: 4685017 (1987-08-01), Swinburne et al.
Shiba Haruo
Tanaka Kimio
TDK Corporation
Tupper Robert S.
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