Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1984-12-20
1987-03-17
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 97, G11B 560, G11B 1732
Patent
active
046512420
ABSTRACT:
A magnetic disk apparatus using at least one floating magnetic head which is floated above the surface of a rotating magnetic disk by utilizing dynamic pressure of air caused by the rotation of the magnetic disk, the magnetic disk apparatus comprising, a magnetic head assembly including a magnetic head and a supporting device for supporting the magnetic head to float above the surface of the rotating magnetic disk, the supporting device being provided with a space changing device for changing a space between the magnetic disk surface and the magnetic head, a driver coupled with the space changing device for driving the space changing device, and a controller coupled with the driver for controlling the driving of the space changing device by the driver to change the space between the magnetic head and the magnetic disk surface.
REFERENCES:
patent: 4188645 (1980-02-01), Ragle et al.
patent: 4374402 (1983-02-01), Blessom et al.
Hirano Yoshiyuki
Kato Katsuhiko
Okuwaki Toyoji
Seo Yosuke
Tamura Takashi
Hitachi , Ltd.
Wolff John H.
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