Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1990-04-04
1993-01-05
Dixon, Joseph L.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 7702, 318593, G11B 5596
Patent
active
051776529
ABSTRACT:
In a rotary-disk transducer position control apparatus and method in which positional information concerning a transducer relative to a rotary disk based on a signal is obtained from the transducer which is disposed in opposition to the rotary disk, a seek instruction is inputted through an input device so that a first transducer access mechanism is caused to make the transducer perform a seeking operation at a low speed with a large stroke in accordance with both the positional information and the seek instruction, and in order to make the transducer perform both a seeking operation and a following operation, a second transducer access mechanism is caused to drive the transducer at a high speed with a small stroke in accordance with the positional information and the seek instruction.
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Lissner, et al., "Disk File Actuator", IBM Technical Disclosure Bulletin, vol. 17, No. 10, Mar. 1975, pp. 3016-3018.
Magnetic Recording vol. II (Computer Data Storage); Mee & Daniel; pp. 61-67; 1988.
Munemoto Takayuki
Yamaguchi Yuzo
Dixon Joseph L.
Hitachi , Ltd.
Robertson David L.
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