JP4490842B2 - 光ピックアップ装置 - Google Patents

光ピックアップ装置 Download PDF

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Publication number
JP4490842B2
JP4490842B2 JP2005029917A JP2005029917A JP4490842B2 JP 4490842 B2 JP4490842 B2 JP 4490842B2 JP 2005029917 A JP2005029917 A JP 2005029917A JP 2005029917 A JP2005029917 A JP 2005029917A JP 4490842 B2 JP4490842 B2 JP 4490842B2
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JP
Japan
Prior art keywords
liquid crystal
optical element
laser light
optical
crystal optical
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.)
Expired - Lifetime
Application number
JP2005029917A
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English (en)
Japanese (ja)
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JP2006216189A5 (enExample
JP2006216189A (ja
Inventor
正美 菊池
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
Original Assignee
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Citizen Holdings Co Ltd, Citizen Watch Co Ltd filed Critical Citizen Holdings Co Ltd
Priority to JP2005029917A priority Critical patent/JP4490842B2/ja
Publication of JP2006216189A publication Critical patent/JP2006216189A/ja
Publication of JP2006216189A5 publication Critical patent/JP2006216189A5/ja
Application granted granted Critical
Publication of JP4490842B2 publication Critical patent/JP4490842B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Lenses (AREA)
  • Liquid Crystal (AREA)
  • Optical Head (AREA)
JP2005029917A 2005-02-07 2005-02-07 光ピックアップ装置 Expired - Lifetime JP4490842B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005029917A JP4490842B2 (ja) 2005-02-07 2005-02-07 光ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005029917A JP4490842B2 (ja) 2005-02-07 2005-02-07 光ピックアップ装置

Publications (3)

Publication Number Publication Date
JP2006216189A JP2006216189A (ja) 2006-08-17
JP2006216189A5 JP2006216189A5 (enExample) 2008-03-27
JP4490842B2 true JP4490842B2 (ja) 2010-06-30

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ID=36979275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005029917A Expired - Lifetime JP4490842B2 (ja) 2005-02-07 2005-02-07 光ピックアップ装置

Country Status (1)

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JP (1) JP4490842B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5885546B2 (ja) * 2011-03-11 2016-03-15 シチズンホールディングス株式会社 光学素子、光学素子を備えた顕微鏡装置ならびに光学素子の組み立て方法
JP6681808B2 (ja) * 2016-09-12 2020-04-15 マクセル株式会社 光源装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3271890B2 (ja) * 1996-03-12 2002-04-08 パイオニア株式会社 光ピックアップ
JP2000348371A (ja) * 1999-06-04 2000-12-15 Matsushita Electric Ind Co Ltd 光学ヘッドおよび光ディスクシステム
JP2002251774A (ja) * 2001-02-22 2002-09-06 Sony Corp 光ピックアップ及びその波面収差補正装置

Also Published As

Publication number Publication date
JP2006216189A (ja) 2006-08-17

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