JP4000692B2 - 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 - Google Patents

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 Download PDF

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Publication number
JP4000692B2
JP4000692B2 JP33541798A JP33541798A JP4000692B2 JP 4000692 B2 JP4000692 B2 JP 4000692B2 JP 33541798 A JP33541798 A JP 33541798A JP 33541798 A JP33541798 A JP 33541798A JP 4000692 B2 JP4000692 B2 JP 4000692B2
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Japan
Prior art keywords
signal
information track
laser beam
tracking
difference signal
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Expired - Fee Related
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JP33541798A
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Japanese (ja)
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JP2000163765A (ja
JP2000163765A5 (enExample
Inventor
広通 石橋
慎一 門脇
克也 渡邊
哲也 紫原
山田　　勉
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Priority to JP33541798A priority Critical patent/JP4000692B2/ja
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Publication of JP2000163765A5 publication Critical patent/JP2000163765A5/ja
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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)

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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

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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

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JP2000163765A JP2000163765A (ja) 2000-06-16
JP2000163765A5 JP2000163765A5 (enExample) 2005-11-04
JP4000692B2 true JP4000692B2 (ja) 2007-10-31

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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

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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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JP2000163765A (ja) 2000-06-16

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