Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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Publication date
Application filed by Fujitsu LtdfiledCriticalFujitsu Ltd
Priority to JP14908876ApriorityCriticalpatent/JPS5373117A/en
Publication of JPS5373117ApublicationCriticalpatent/JPS5373117A/en
Moving Of The Head To Find And Align With The Track
(AREA)
Abstract
PURPOSE: To increase the positioning accuracy for the disk of high recording density, by shifting the two units of servo-heads by 0.5 track pitch so as to control the tracking position according to four sets of different phase signals.
COPYRIGHT: (C)1978,JPO&Japio
JP14908876A1976-12-101976-12-10Head positioning serbo system
PendingJPS5373117A
(en)