JP2006053994A5 - - Google Patents

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Publication number
JP2006053994A5
JP2006053994A5 JP2004234574A JP2004234574A JP2006053994A5 JP 2006053994 A5 JP2006053994 A5 JP 2006053994A5 JP 2004234574 A JP2004234574 A JP 2004234574A JP 2004234574 A JP2004234574 A JP 2004234574A JP 2006053994 A5 JP2006053994 A5 JP 2006053994A5
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JP
Japan
Prior art keywords
optical
information recording
laser light
recording surface
optical pickup
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.)
Pending
Application number
JP2004234574A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006053994A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2004234574A priority Critical patent/JP2006053994A/ja
Priority claimed from JP2004234574A external-priority patent/JP2006053994A/ja
Publication of JP2006053994A publication Critical patent/JP2006053994A/ja
Publication of JP2006053994A5 publication Critical patent/JP2006053994A5/ja
Pending legal-status Critical Current

Links

JP2004234574A 2004-08-11 2004-08-11 光ピックアップ Pending JP2006053994A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004234574A JP2006053994A (ja) 2004-08-11 2004-08-11 光ピックアップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004234574A JP2006053994A (ja) 2004-08-11 2004-08-11 光ピックアップ

Publications (2)

Publication Number Publication Date
JP2006053994A JP2006053994A (ja) 2006-02-23
JP2006053994A5 true JP2006053994A5 (enrdf_load_stackoverflow) 2007-07-05

Family

ID=36031372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004234574A Pending JP2006053994A (ja) 2004-08-11 2004-08-11 光ピックアップ

Country Status (1)

Country Link
JP (1) JP2006053994A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4797796B2 (ja) * 2006-05-25 2011-10-19 株式会社ケンウッド 光ディスク再生装置、光ディスク再生方法及び光ディスク再生プログラム
EP4235229A1 (en) * 2016-09-13 2023-08-30 Facebook Technologies, LLC Fresnel lens with dynamic draft for reduced optical artifacts
JP7001345B2 (ja) * 2017-01-17 2022-02-03 マクセルフロンティア株式会社 回折レンズおよびそれを用いた車載用灯具

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