Disk drive configured to calculate head rebound distance

Details Disk drive configured to calculate head rebound distance Disk drive configured to calculate head rebound distance

2011-04-05

2011-04-05

Sniezek, Andrew L (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

07920353

ABSTRACT:
According to one embodiment, a search module searches for a timing when a moving direction of a head changes in order to detect a first timing when the head collides against a stopper of a ramp during a head unload operation and a second timing when the head rebounds as a result of the collision. A calculation module calculates a rebound distance that the head has rebounded based on the first timing and the second timing.

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