JP2001076371A - 光ピックアップ装置 - Google Patents

光ピックアップ装置

Info

Publication number
JP2001076371A
JP2001076371A JP24843899A JP24843899A JP2001076371A JP 2001076371 A JP2001076371 A JP 2001076371A JP 24843899 A JP24843899 A JP 24843899A JP 24843899 A JP24843899 A JP 24843899A JP 2001076371 A JP2001076371 A JP 2001076371A
Authority
JP
Japan
Prior art keywords
light
return
hologram element
photodetector
pickup device
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
JP24843899A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001076371A5 (https=
Inventor
Katsushige Yanagisawa
克重 柳澤
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.)
Nidec Instruments Corp
Original Assignee
Sankyo Seiki Manufacturing 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 Sankyo Seiki Manufacturing Co Ltd filed Critical Sankyo Seiki Manufacturing Co Ltd
Priority to JP24843899A priority Critical patent/JP2001076371A/ja
Publication of JP2001076371A publication Critical patent/JP2001076371A/ja
Publication of JP2001076371A5 publication Critical patent/JP2001076371A5/ja
Pending legal-status Critical Current

Links

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  • Optical Head (AREA)
JP24843899A 1999-09-02 1999-09-02 光ピックアップ装置 Pending JP2001076371A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24843899A JP2001076371A (ja) 1999-09-02 1999-09-02 光ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24843899A JP2001076371A (ja) 1999-09-02 1999-09-02 光ピックアップ装置

Publications (2)

Publication Number Publication Date
JP2001076371A true JP2001076371A (ja) 2001-03-23
JP2001076371A5 JP2001076371A5 (https=) 2005-03-03

Family

ID=17178138

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24843899A Pending JP2001076371A (ja) 1999-09-02 1999-09-02 光ピックアップ装置

Country Status (1)

Country Link
JP (1) JP2001076371A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002063619A1 (en) * 2001-02-01 2002-08-15 Fujitsu Limited Optical storage device
JP2007200476A (ja) * 2006-01-27 2007-08-09 Funai Electric Co Ltd 光ヘッド
WO2009069583A1 (ja) * 2007-11-28 2009-06-04 Sanyo Electric Co., Ltd. 光ピックアップ装置
JP2009176391A (ja) * 2008-01-28 2009-08-06 Sony Corp 光ピックアップ及び光ディスク装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002063619A1 (en) * 2001-02-01 2002-08-15 Fujitsu Limited Optical storage device
US6876620B2 (en) 2001-02-01 2005-04-05 Fujitsu Limited Optical storage device
JP2007200476A (ja) * 2006-01-27 2007-08-09 Funai Electric Co Ltd 光ヘッド
WO2009069583A1 (ja) * 2007-11-28 2009-06-04 Sanyo Electric Co., Ltd. 光ピックアップ装置
JP2009176391A (ja) * 2008-01-28 2009-08-06 Sony Corp 光ピックアップ及び光ディスク装置

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