Invention Grant
- Patent Title: Optical disc apparatus
- Patent Title (中): 光盘装置
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Application No.: US13430328Application Date: 2012-03-26
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Publication No.: US08477576B2Publication Date: 2013-07-02
- Inventor: Shinsuke Onoe
- Applicant: Shinsuke Onoe
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: Hitachi-LG Data Storage, Inc.,Hitachi Consumer Electronics Co., Ltd.
- Current Assignee: Hitachi-LG Data Storage, Inc.,Hitachi Consumer Electronics Co., Ltd.
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: McDermott Will & Emery LLP
- Priority: JP2011-073866 20110330
- Main IPC: G11B7/00
- IPC: G11B7/00
Abstract:
An optical disc apparatus, for recording or reproducing information by irradiating a laser beam on an optical disc. More particularly, the present application relates to an optical pickup of the optical disc apparatus that produces a tracking error signal, in general, and the optical disc apparatus executes a tracking servo with using the tracking error signal.
Public/Granted literature
- US20120250478A1 OPTICAL DISC APPARATUS Public/Granted day:2012-10-04
Information query
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