JP2005327398A5 - - Google Patents

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Publication number
JP2005327398A5
JP2005327398A5 JP2004145641A JP2004145641A JP2005327398A5 JP 2005327398 A5 JP2005327398 A5 JP 2005327398A5 JP 2004145641 A JP2004145641 A JP 2004145641A JP 2004145641 A JP2004145641 A JP 2004145641A JP 2005327398 A5 JP2005327398 A5 JP 2005327398A5
Authority
JP
Japan
Prior art keywords
refractive power
objective lens
lens group
collimating
variable element
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
JP2004145641A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005327398A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2004145641A priority Critical patent/JP2005327398A/ja
Priority claimed from JP2004145641A external-priority patent/JP2005327398A/ja
Publication of JP2005327398A publication Critical patent/JP2005327398A/ja
Publication of JP2005327398A5 publication Critical patent/JP2005327398A5/ja
Pending legal-status Critical Current

Links

JP2004145641A 2004-05-14 2004-05-14 光ピックアップ Pending JP2005327398A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004145641A JP2005327398A (ja) 2004-05-14 2004-05-14 光ピックアップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004145641A JP2005327398A (ja) 2004-05-14 2004-05-14 光ピックアップ

Publications (2)

Publication Number Publication Date
JP2005327398A JP2005327398A (ja) 2005-11-24
JP2005327398A5 true JP2005327398A5 (enExample) 2007-06-28

Family

ID=35473616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004145641A Pending JP2005327398A (ja) 2004-05-14 2004-05-14 光ピックアップ

Country Status (1)

Country Link
JP (1) JP2005327398A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100074077A1 (en) * 2006-10-18 2010-03-25 Ryuichi Katayama Optical head device and optical information recording/reproducing device

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