System for controlling rotation of a disk drive

Details System for controlling rotation of a disk drive System for controlling rotation of a disk drive

2006-10-11

2008-11-18

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Motor load, armature current or force control during...

C318S375000, C318S456000, C360S074100

Reexamination Certificate

active

07453221

ABSTRACT:
A disk drive system is set forth that comprises a rotatable storage medium adapted to store data, a spindle motor disposed to rotate the rotatable storage medium, and a spindle motor control system. The spindle motor control system brakes rotation of the spindle motor in response to inductive sensing of the rotation of the spindle motor.

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Jeppesen, James et al., “Hard Disk Controller: the Disk Drive's Brain and Body,” Proceedings of the International Conference on Computer Design: VLSI in Computers & Processors (ICCD'01), 6 pages, IEEE 2001.
Pelz, Georg, “Designing Circuits for Disk Drives,” Proceedings of the International Conference on Computer Design: VLSI in Computers & Processors (ICCD'01), 6 pages, IEEE 2001.
Sereinig, W., “Motion-Control: the Power Side of Disk Drives,” Proceedings of the International Conference on Computer Design: VLSI in Computers & Processors (ICCD'01), 6 pages, IEEE 2001.

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