JP2001160238A - 光ヘッド装置及び光ディスクドライブ装置 - Google Patents

光ヘッド装置及び光ディスクドライブ装置

Info

Publication number
JP2001160238A
JP2001160238A JP34355099A JP34355099A JP2001160238A JP 2001160238 A JP2001160238 A JP 2001160238A JP 34355099 A JP34355099 A JP 34355099A JP 34355099 A JP34355099 A JP 34355099A JP 2001160238 A JP2001160238 A JP 2001160238A
Authority
JP
Japan
Prior art keywords
light
lens
light source
head device
optical head
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
JP34355099A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001160238A5 (enExample
Inventor
Akira Kinoshita
暁 木下
Ikuo Kasuga
郁夫 春日
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.)
Toshiba Corp
Nidec Instruments Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp, Sankyo Seiki Manufacturing Co Ltd filed Critical Toshiba Corp
Priority to JP34355099A priority Critical patent/JP2001160238A/ja
Publication of JP2001160238A publication Critical patent/JP2001160238A/ja
Publication of JP2001160238A5 publication Critical patent/JP2001160238A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP34355099A 1999-12-02 1999-12-02 光ヘッド装置及び光ディスクドライブ装置 Pending JP2001160238A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34355099A JP2001160238A (ja) 1999-12-02 1999-12-02 光ヘッド装置及び光ディスクドライブ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34355099A JP2001160238A (ja) 1999-12-02 1999-12-02 光ヘッド装置及び光ディスクドライブ装置

Publications (2)

Publication Number Publication Date
JP2001160238A true JP2001160238A (ja) 2001-06-12
JP2001160238A5 JP2001160238A5 (enExample) 2005-06-16

Family

ID=18362398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34355099A Pending JP2001160238A (ja) 1999-12-02 1999-12-02 光ヘッド装置及び光ディスクドライブ装置

Country Status (1)

Country Link
JP (1) JP2001160238A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004051637A1 (ja) * 2002-11-29 2004-06-17 Fujitsu Limited コリメート光学系および光情報記憶装置
US7636293B2 (en) 2004-07-09 2009-12-22 Sony Corporation Optical pickup device, recorder and/or reproducer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004051637A1 (ja) * 2002-11-29 2004-06-17 Fujitsu Limited コリメート光学系および光情報記憶装置
US7002758B2 (en) 2002-11-29 2006-02-21 Fujitsu Limited Collimator optical system and optical information storage device
US7102825B2 (en) 2002-11-29 2006-09-05 Fujitsu Limited Collimator optical system and optical information storage device
US7636293B2 (en) 2004-07-09 2009-12-22 Sony Corporation Optical pickup device, recorder and/or reproducer

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