Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1990-05-07
1992-11-17
Smith, Jerry
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 7806, 360 7807, 360 9801, 360 22, G11B 5590, G11B 555
Patent
active
051648679
ABSTRACT:
A magnetic disk storage and a method for accessing a track of the magnetic disk, wherein track centering processing is controlled by effecting an operation of reading a servo signal, which is prerecorded on a storage region of a first surface of a magnetic disk, by a first data head located on the first surface of the magnetic disk, and the track access processing is controlled by reading a track address, which is prerecorded on each track of a second surface of the magnetic disk, by using a second data head, which is connected to a common spindle and simultaneously moves in a same direction at a same speed together with the first data head, located on the second surface of the magnetic disk and detecting the number of tracks which the data head traverses. Thus, quick access of the data head to a desired track can be achieved.
REFERENCES:
patent: Re32075 (1986-01-01), Harrison et al.
patent: 4688106 (1987-08-01), Keller et al.
patent: 4809120 (1989-02-01), Ozawa
patent: 4924160 (1990-05-01), Tung
Fujiwara Akio
Hagiwara Masaki
Garland Steven R.
Smith Jerry
Victor Company of Japan Ltd.
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