Invention Grant
- Patent Title: Optical pickup control circuit and optical disc drive device
- Patent Title (中): 光拾取控制电路和光盘驱动装置
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Application No.: US13154779Application Date: 2011-06-07
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Publication No.: US08391111B2Publication Date: 2013-03-05
- Inventor: Takao Maruyama , Muneyuki Horiguchi , Hitoshi Sakaguchi
- Applicant: Takao Maruyama , Muneyuki Horiguchi , Hitoshi Sakaguchi
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Wolf, Greenfield & Sacks, P.C.
- Priority: JP2010-135614 20100614
- Main IPC: G11B7/00
- IPC: G11B7/00

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.
Public/Granted literature
- US20110305123A1 OPTICAL PICKUP CONTROL CIRCUIT AND OPTICAL DISC DRIVE DEVICE Public/Granted day:2011-12-15
Information query
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