Invention Grant
US08391111B2 Optical pickup control circuit and optical disc drive device 失效
光拾取控制电路和光盘驱动装置

Optical pickup control circuit and optical disc drive device
Abstract:
An optical pickup control circuit includes an adding portion that adds a tracking driving signal which is for moving an objective lens, provided to face a discoid optical information recording medium, in a tracking direction of the corresponding optical information recording medium, to a tilt driving signal which is for moving the corresponding objective lens in a tilt direction of the corresponding optical information recording medium, and supplies the signal to a tilt actuator.
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