Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1982-05-24
1985-04-09
Konick, Bernard
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360128, G11B 541, G11B 5012
Patent
active
045105413
ABSTRACT:
A magnetic disk storage unit is proposed for cleaning away dust particles on a disk by a magnetic head 7, which is in contact with the surface of the magnetic disk when a magnetic disk 3 is stationary or rotated at a low speed, and which is floated away from the surface of the magnetic disk, as the revolution rate of the magnetic disk increases.
When the magnetic disk starts to rotate or when the disk is rotating at a low speed in a continuous rotation, the magnetic head is reciprocated in the radial direction of the magnetic disk, thereby to peel off the dust particles deposited on the surface of the magnetic disk and the head with the removed dust particles then being collected by a filter.
REFERENCES:
patent: 3885245 (1975-05-01), Nakatani
patent: 4212044 (1980-07-01), Plotto
patent: 4241368 (1980-12-01), Tadokoro et al.
patent: 4280157 (1981-07-01), Herman et al.
patent: 4371902 (1983-02-01), Baxter et al.
patent: 4384311 (1983-05-01), McNeil
patent: 4385333 (1983-05-01), Hasler
patent: 4412161 (1983-10-01), Cornaby
Hitachi , Ltd.
Konick Bernard
Stefanski Paul
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