JP2000163765A5 - - Google Patents

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Publication number
JP2000163765A5
JP2000163765A5 JP1998335417A JP33541798A JP2000163765A5 JP 2000163765 A5 JP2000163765 A5 JP 2000163765A5 JP 1998335417 A JP1998335417 A JP 1998335417A JP 33541798 A JP33541798 A JP 33541798A JP 2000163765 A5 JP2000163765 A5 JP 2000163765A5
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JP
Japan
Prior art keywords
information track
laser beam
signal
difference signal
low frequency
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
JP1998335417A
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English (en)
Japanese (ja)
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JP4000692B2 (ja
JP2000163765A (ja
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Priority to JP33541798A priority Critical patent/JP4000692B2/ja
Priority claimed from JP33541798A external-priority patent/JP4000692B2/ja
Publication of JP2000163765A publication Critical patent/JP2000163765A/ja
Publication of JP2000163765A5 publication Critical patent/JP2000163765A5/ja
Application granted granted Critical
Publication of JP4000692B2 publication Critical patent/JP4000692B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP33541798A 1998-11-26 1998-11-26 レンズシフト検出方法とトラッキング制御装置と光ディスク装置 Expired - Fee Related JP4000692B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33541798A JP4000692B2 (ja) 1998-11-26 1998-11-26 レンズシフト検出方法とトラッキング制御装置と光ディスク装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33541798A JP4000692B2 (ja) 1998-11-26 1998-11-26 レンズシフト検出方法とトラッキング制御装置と光ディスク装置

Publications (3)

Publication Number Publication Date
JP2000163765A JP2000163765A (ja) 2000-06-16
JP2000163765A5 true JP2000163765A5 (enrdf_load_stackoverflow) 2005-11-04
JP4000692B2 JP4000692B2 (ja) 2007-10-31

Family

ID=18288329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33541798A Expired - Fee Related JP4000692B2 (ja) 1998-11-26 1998-11-26 レンズシフト検出方法とトラッキング制御装置と光ディスク装置

Country Status (1)

Country Link
JP (1) JP4000692B2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3818066B2 (ja) 2001-02-07 2006-09-06 日本電気株式会社 光ディスク装置および光ディスク装置におけるトラックオフセット補正方法
JP4622965B2 (ja) 2006-08-23 2011-02-02 船井電機株式会社 光ディスク再生装置

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