JP2004246945A5 - - Google Patents

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Publication number
JP2004246945A5
JP2004246945A5 JP2003033478A JP2003033478A JP2004246945A5 JP 2004246945 A5 JP2004246945 A5 JP 2004246945A5 JP 2003033478 A JP2003033478 A JP 2003033478A JP 2003033478 A JP2003033478 A JP 2003033478A JP 2004246945 A5 JP2004246945 A5 JP 2004246945A5
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JP
Japan
Prior art keywords
signal
tilt
objective lens
drive
information recording
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2003033478A
Other languages
English (en)
Japanese (ja)
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JP2004246945A (ja
JP3725127B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2003033478A priority Critical patent/JP3725127B2/ja
Priority claimed from JP2003033478A external-priority patent/JP3725127B2/ja
Priority to US10/774,395 priority patent/US7212475B2/en
Publication of JP2004246945A publication Critical patent/JP2004246945A/ja
Publication of JP2004246945A5 publication Critical patent/JP2004246945A5/ja
Application granted granted Critical
Publication of JP3725127B2 publication Critical patent/JP3725127B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2003033478A 2003-02-12 2003-02-12 チルト補正方法、チルト駆動信号生成回路及びチルト補正装置、並びに光ディスク装置 Expired - Fee Related JP3725127B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003033478A JP3725127B2 (ja) 2003-02-12 2003-02-12 チルト補正方法、チルト駆動信号生成回路及びチルト補正装置、並びに光ディスク装置
US10/774,395 US7212475B2 (en) 2003-02-12 2004-02-10 Method and apparatus for tilt correction and tilt driving signal generating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003033478A JP3725127B2 (ja) 2003-02-12 2003-02-12 チルト補正方法、チルト駆動信号生成回路及びチルト補正装置、並びに光ディスク装置

Publications (3)

Publication Number Publication Date
JP2004246945A JP2004246945A (ja) 2004-09-02
JP2004246945A5 true JP2004246945A5 (enExample) 2005-05-19
JP3725127B2 JP3725127B2 (ja) 2005-12-07

Family

ID=32820987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003033478A Expired - Fee Related JP3725127B2 (ja) 2003-02-12 2003-02-12 チルト補正方法、チルト駆動信号生成回路及びチルト補正装置、並びに光ディスク装置

Country Status (2)

Country Link
US (1) US7212475B2 (enExample)
JP (1) JP3725127B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007004854A (ja) * 2005-06-22 2007-01-11 Hitachi Ltd 光ディスク装置
JP4816033B2 (ja) * 2005-12-01 2011-11-16 船井電機株式会社 光ディスク記録再生装置
US20110153466A1 (en) * 2009-12-17 2011-06-23 Divyasimha Harish Sensor based inventory management system and method
KR20080057484A (ko) * 2006-12-20 2008-06-25 삼성전자주식회사 광픽업 액츄에이터
TWI440026B (zh) * 2011-09-16 2014-06-01 Sunplus Technology Co Ltd 資料還原裝置與方法
JP2014093116A (ja) * 2012-11-07 2014-05-19 Funai Electric Co Ltd レンズ駆動装置及び光ピックアップ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141636A (ja) 1985-12-16 1987-06-25 Seiko Instr & Electronics Ltd オ−トフオ−カス装置
JPH01213837A (ja) 1988-02-22 1989-08-28 Konica Corp 光ピックアップ
US5805543A (en) * 1995-02-22 1998-09-08 Matsushita Electric Industrial Co., Ltd. Tilt control apparatus based on pulsed width detection of an information reproduced signal
JPH09282693A (ja) 1996-04-15 1997-10-31 Nec Corp 光学ヘッド装置
SG72954A1 (en) 1998-05-21 2000-05-23 Samsung Electronics Co Ltd Optical pickup
JP2000260042A (ja) 1999-01-08 2000-09-22 Ricoh Co Ltd 光ディスク装置におけるキャリッジ送り制御装置
US6661769B2 (en) * 2000-09-29 2003-12-09 Matsushita Electric Industrial Co., Ltd. Optical storage medium, a tilt detection apparatus, and a data recording and reproducing apparatus
US7480219B2 (en) * 2000-11-21 2009-01-20 Lg Electronics Inc. Method and apparatus for calculating a variation per track of a focus error to control the tilt of a disk
JP2002163834A (ja) * 2000-11-24 2002-06-07 Matsushita Electric Ind Co Ltd 光ディスク装置、レンズシフト量算出方法、媒体、および情報集合体

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