Invention Grant
US07773477B2 Optical disk driving unit, pickup controller, and laser driver provided in a pickup
失效
提供在拾取器中的光盘驱动单元，拾取控制器和激光驱动器
- Patent Title: Optical disk driving unit, pickup controller, and laser driver provided in a pickup
- Patent Title (中): 提供在拾取器中的光盘驱动单元，拾取控制器和激光驱动器
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Application No.: US11001018Application Date: 2004-12-02
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Publication No.: US07773477B2Publication Date: 2010-08-10
- Inventor: Kunihiko Kodama
- Applicant: Kunihiko Kodama
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2003-407495 20031205
- Main IPC: G11B7/00
- IPC: G11B7/00
Abstract:
An optical disk driving unit includes a pickup configured to supply a drive current to a laser unit, and to irradiate a laser beam to an optical disk. A plurality of signal lines are configured to transmit control information of the drive current to the pickup. A pickup controller is configured to control operation of the pickup by transferring control data to the pickup via the signal lines when the drive current is a constant value.
Public/Granted literature
- US20050163020A1 Optical disk driving unit, pickup controller, and laser driver provided in a pickup Public/Granted day:2005-07-28
Information query
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