JP2001184695A5 - - Google Patents

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Publication number
JP2001184695A5
JP2001184695A5 JP1999371564A JP37156499A JP2001184695A5 JP 2001184695 A5 JP2001184695 A5 JP 2001184695A5 JP 1999371564 A JP1999371564 A JP 1999371564A JP 37156499 A JP37156499 A JP 37156499A JP 2001184695 A5 JP2001184695 A5 JP 2001184695A5
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JP
Japan
Prior art keywords
light
beam splitter
light source
reflected
dvd
Prior art date
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Granted
Application number
JP1999371564A
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English (en)
Japanese (ja)
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JP3822406B2 (ja
JP2001184695A (ja
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Priority to JP37156499A priority Critical patent/JP3822406B2/ja
Priority claimed from JP37156499A external-priority patent/JP3822406B2/ja
Publication of JP2001184695A publication Critical patent/JP2001184695A/ja
Publication of JP2001184695A5 publication Critical patent/JP2001184695A5/ja
Application granted granted Critical
Publication of JP3822406B2 publication Critical patent/JP3822406B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP37156499A 1999-12-27 1999-12-27 光ヘッド装置 Expired - Fee Related JP3822406B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP37156499A JP3822406B2 (ja) 1999-12-27 1999-12-27 光ヘッド装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP37156499A JP3822406B2 (ja) 1999-12-27 1999-12-27 光ヘッド装置

Publications (3)

Publication Number Publication Date
JP2001184695A JP2001184695A (ja) 2001-07-06
JP2001184695A5 true JP2001184695A5 (enrdf_load_stackoverflow) 2005-06-16
JP3822406B2 JP3822406B2 (ja) 2006-09-20

Family

ID=18498930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP37156499A Expired - Fee Related JP3822406B2 (ja) 1999-12-27 1999-12-27 光ヘッド装置

Country Status (1)

Country Link
JP (1) JP3822406B2 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1650199B (zh) 2002-04-26 2010-05-12 爱普生拓优科梦株式会社 叠层波长板及使用它的光学拾波器
WO2005004128A2 (en) 2003-07-07 2005-01-13 Matsushita Electric Industrial Co., Ltd. Objective lens, optical pick-up device, and optical disk device
JP4507536B2 (ja) * 2003-09-04 2010-07-21 パナソニック株式会社 光ピックアップ装置
CN100397109C (zh) * 2003-12-03 2008-06-25 Jsr株式会社 用于激光光学系统的波长板
JP4661144B2 (ja) * 2004-09-16 2011-03-30 株式会社ニコン 波長分離光学素子、色温度可変光源装置、色温度補正光学装置および撮像システム

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