JP2001143305A - 光ピックアップ装置 - Google Patents

光ピックアップ装置

Info

Publication number
JP2001143305A
JP2001143305A JP32427499A JP32427499A JP2001143305A JP 2001143305 A JP2001143305 A JP 2001143305A JP 32427499 A JP32427499 A JP 32427499A JP 32427499 A JP32427499 A JP 32427499A JP 2001143305 A JP2001143305 A JP 2001143305A
Authority
JP
Japan
Prior art keywords
light
receiving element
light source
monitor
wavelength
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
JP32427499A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001143305A5 (enExample
Inventor
Tetsuya Ogata
哲也 小形
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP32427499A priority Critical patent/JP2001143305A/ja
Publication of JP2001143305A publication Critical patent/JP2001143305A/ja
Publication of JP2001143305A5 publication Critical patent/JP2001143305A5/ja
Pending legal-status Critical Current

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  • Optical Head (AREA)
JP32427499A 1999-11-15 1999-11-15 光ピックアップ装置 Pending JP2001143305A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32427499A JP2001143305A (ja) 1999-11-15 1999-11-15 光ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32427499A JP2001143305A (ja) 1999-11-15 1999-11-15 光ピックアップ装置

Publications (2)

Publication Number Publication Date
JP2001143305A true JP2001143305A (ja) 2001-05-25
JP2001143305A5 JP2001143305A5 (enExample) 2005-03-03

Family

ID=18163986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32427499A Pending JP2001143305A (ja) 1999-11-15 1999-11-15 光ピックアップ装置

Country Status (1)

Country Link
JP (1) JP2001143305A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7023787B2 (en) 2002-03-01 2006-04-04 Sharp Kabushiki Kaisha Optical pickup device
US7233564B2 (en) 2002-05-08 2007-06-19 Teac Corpration Optical disk apparatus
US7417934B2 (en) * 2003-01-24 2008-08-26 Samsung Electronics Co., Ltd. Optical pickup

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7023787B2 (en) 2002-03-01 2006-04-04 Sharp Kabushiki Kaisha Optical pickup device
US7233564B2 (en) 2002-05-08 2007-06-19 Teac Corpration Optical disk apparatus
US7417934B2 (en) * 2003-01-24 2008-08-26 Samsung Electronics Co., Ltd. Optical pickup

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