Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1993-12-29
1996-04-30
Psitos, Aristotelis
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 24, 360 26, 360 63, 360107, 360 75, G11B 2104
Patent
active
055130518
ABSTRACT:
An image signal recording and reproducing apparatus comprises a head array having a plurality of head gaps for recording and reproducing the image; a piezoelectric actuator having a polarization direction and for moving the head array downwards and upwards in a width direction of a track in accordance with input of a driving voltage; a phase comparator for generating a phase control signal in accordance with a phase difference between the head array and the track; a unit for outputting the driving voltage to the actuator in accordance with the phase control signal; and a signal processing unit for recording and reproducing the image signal on and from the track by the head array.
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Choi Kye-Chul
Lee Jin-Koo
Daewoo Electronics Co. Ltd.
Habermehl James L.
Psitos Aristotelis
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