Method and apparatus for controlling positioning of a pickup

Details Method and apparatus for controlling positioning of a pickup Method and apparatus for controlling positioning of a pickup

2007-03-20

2007-03-20

Dinh, Tan (Department: 2627)

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

C369S030100

Reexamination Certificate

active

10445025

ABSTRACT:
A disc drive to control a home-in mode and method thereof includes a pickup unit irradiating a light beam on a disc loaded in the disc drive, a motor moving the pickup unit along a radius direction of the disc, and a control unit detecting and storing position information of the pickup unit based on driving pulses of the motor. The control unit controls a generation of the driving pulses of the motor using information of a home-in position based on the stored position information of the pickup unit and the driving pulses of the motor.

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