Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1981-06-19
1983-08-23
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 2304
Patent
active
044007531
ABSTRACT:
An information storage cartridge utilized in a disk drive including a rotary magnetic recording disk and cover for containing the disk. The cover includes a plurality of orientation apertures and transducer apertures which are associated such that orientation sensing means in the disk drive can determine the orientation of the cartridge when it is inserted in the disk drive and thereby whether the information recorded on the disk is recorded on both sides of the disk or only on one side.
REFERENCES:
patent: 3416150 (1968-12-01), Lindberg, Jr.
patent: 3668658 (1972-06-01), Flores et al.
patent: 3797035 (1974-03-01), Hunt et al.
patent: 4003088 (1977-01-01), Schwartz
"1981 Office Product Catalog", Lindsay Office Products, 1610 Manor Road, Austin, Tex. 78722, p. 223, Copyright 1980.
Beebe William E.
Duff Dean R.
Eddleman Alfred H.
Henderson, Jr. John W.
International Business Machines - Corporation
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