JP2007073115A - 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
JP2007073115A
JP2007073115A JP2005257941A JP2005257941A JP2007073115A JP 2007073115 A JP2007073115 A JP 2007073115A JP 2005257941 A JP2005257941 A JP 2005257941A JP 2005257941 A JP2005257941 A JP 2005257941A JP 2007073115 A JP2007073115 A JP 2007073115A
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JP
Japan
Prior art keywords
light
pinhole
reflected
reflected light
diameter
Prior art date
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Pending
Application number
JP2005257941A
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English (en)
Japanese (ja)
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JP2007073115A5 (enExample
Inventor
Masahiko Ujiie
雅彦 氏家
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.)
Pulstec Industrial Co Ltd
Original Assignee
Pulstec Industrial 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 Pulstec Industrial Co Ltd filed Critical Pulstec Industrial Co Ltd
Priority to JP2005257941A priority Critical patent/JP2007073115A/ja
Publication of JP2007073115A publication Critical patent/JP2007073115A/ja
Publication of JP2007073115A5 publication Critical patent/JP2007073115A5/ja
Pending legal-status Critical Current

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JP2005257941A 2005-09-06 2005-09-06 光ピックアップ装置 Pending JP2007073115A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005257941A JP2007073115A (ja) 2005-09-06 2005-09-06 光ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005257941A JP2007073115A (ja) 2005-09-06 2005-09-06 光ピックアップ装置

Publications (2)

Publication Number Publication Date
JP2007073115A true JP2007073115A (ja) 2007-03-22
JP2007073115A5 JP2007073115A5 (enExample) 2007-05-10

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ID=37934448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005257941A Pending JP2007073115A (ja) 2005-09-06 2005-09-06 光ピックアップ装置

Country Status (1)

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JP (1) JP2007073115A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8462596B2 (en) 2009-11-24 2013-06-11 Panasonic Corporation Optical pickup device and optical disc device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8462596B2 (en) 2009-11-24 2013-06-11 Panasonic Corporation Optical pickup device and optical disc device

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