Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1987-12-23
1989-01-03
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Record medium
In container
206444, 369282, G11B 2303
Patent
active
047961392
ABSTRACT:
An information medium comprises an information disc 1 which can be rotated inside the enclosure 5 and which carries a hub 2 which extends through an opening 9 in a main wall 6 of the enclosure with some clearance. Radial displacements of the information disc are limited by elastic means between the hub and the edge 23 of the central opening in the main wall.
REFERENCES:
patent: 4481552 (1984-11-01), Dona
patent: 4571718 (1986-02-01), Cahill
patent: 4636904 (1987-01-01), Matsuno
Faller F. Brice
Heinz A. J.
U.S. Philips Corporation
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