JP2005203004A - 光ヘッド - Google Patents

光ヘッド Download PDF

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Publication number
JP2005203004A
JP2005203004A JP2004006211A JP2004006211A JP2005203004A JP 2005203004 A JP2005203004 A JP 2005203004A JP 2004006211 A JP2004006211 A JP 2004006211A JP 2004006211 A JP2004006211 A JP 2004006211A JP 2005203004 A JP2005203004 A JP 2005203004A
Authority
JP
Japan
Prior art keywords
light beam
light
wavelength
incident
beam emitted
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
JP2004006211A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005203004A5 (enExample
Inventor
Nobuyuki Maeda
伸幸 前田
Hiromitsu Mori
弘充 森
Kunikazu Onishi
邦一 大西
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.)
Hitachi Ltd
Hitachi Consumer Electronics Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Media Electronics 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 Hitachi Ltd, Hitachi Media Electronics Co Ltd filed Critical Hitachi Ltd
Priority to JP2004006211A priority Critical patent/JP2005203004A/ja
Publication of JP2005203004A publication Critical patent/JP2005203004A/ja
Publication of JP2005203004A5 publication Critical patent/JP2005203004A5/ja
Pending legal-status Critical Current

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  • Optical Head (AREA)
JP2004006211A 2004-01-14 2004-01-14 光ヘッド Pending JP2005203004A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004006211A JP2005203004A (ja) 2004-01-14 2004-01-14 光ヘッド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004006211A JP2005203004A (ja) 2004-01-14 2004-01-14 光ヘッド

Publications (2)

Publication Number Publication Date
JP2005203004A true JP2005203004A (ja) 2005-07-28
JP2005203004A5 JP2005203004A5 (enExample) 2006-12-07

Family

ID=34820243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004006211A Pending JP2005203004A (ja) 2004-01-14 2004-01-14 光ヘッド

Country Status (1)

Country Link
JP (1) JP2005203004A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828369B1 (ko) 2005-12-28 2008-05-08 삼성전자주식회사 광픽업장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828369B1 (ko) 2005-12-28 2008-05-08 삼성전자주식회사 광픽업장치

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