Disk drive comprising a servo accelerator employing a dual...

Details Disk drive comprising a servo accelerator employing a dual... Disk drive comprising a servo accelerator employing a dual...

2008-10-21

2010-02-02

Nguyen, Hoa T (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S077020

Reexamination Certificate

active

07656607

ABSTRACT:
A disk drive is disclosed operable to generate an actuator control signal for actuating a head over a disk. A memory address is used to read a first state k variable from a first state variable memory SVM1. The first state k variable is stored in a second state variable memory (SVM2) while processing the first state k variable to generate a first state k+1 variable. The first state k+1 variable is stored in the SVM2, and the memory address is assigned to the SVM2so that the first state k+1 variable becomes a second state k variable and the first state k variable becomes a first state k−1 variable.

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