Disk device with bi-directional communication function

Details Disk device with bi-directional communication function Disk device with bi-directional communication function

2008-06-10

2008-06-10

Tzeng, Fred F. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

07385779

ABSTRACT:
A plurality of HDDs12-1˜12-nconnected around a host10can be made to directly communicate with each other. For example, an HDD12-1makes another HDD to perform long distance seek using this communication line and measures the influence of vibration caused at that time. The measurement result is formed into a transfer function indicating the position change of the head of the relevant HDD against the operation of another HDD. An HDD is actually driven by a current value obtained by correcting the normal driving current of the driving motor of the head by the transfer function.

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