JP2002123969A - 光ヘッド装置および光情報処理装置 - Google Patents

光ヘッド装置および光情報処理装置

Info

Publication number
JP2002123969A
JP2002123969A JP2000316152A JP2000316152A JP2002123969A JP 2002123969 A JP2002123969 A JP 2002123969A JP 2000316152 A JP2000316152 A JP 2000316152A JP 2000316152 A JP2000316152 A JP 2000316152A JP 2002123969 A JP2002123969 A JP 2002123969A
Authority
JP
Japan
Prior art keywords
half mirror
head device
optical head
astigmatism
optical
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
JP2000316152A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002123969A5 (enExample
Inventor
Yoshinobu Mori
栄信 森
Tatsuo Ito
達男 伊藤
Yoshiaki Kaneuma
慶明 金馬
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2000316152A priority Critical patent/JP2002123969A/ja
Publication of JP2002123969A publication Critical patent/JP2002123969A/ja
Publication of JP2002123969A5 publication Critical patent/JP2002123969A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2000316152A 2000-10-17 2000-10-17 光ヘッド装置および光情報処理装置 Pending JP2002123969A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000316152A JP2002123969A (ja) 2000-10-17 2000-10-17 光ヘッド装置および光情報処理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000316152A JP2002123969A (ja) 2000-10-17 2000-10-17 光ヘッド装置および光情報処理装置

Publications (2)

Publication Number Publication Date
JP2002123969A true JP2002123969A (ja) 2002-04-26
JP2002123969A5 JP2002123969A5 (enExample) 2008-10-09

Family

ID=18795140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000316152A Pending JP2002123969A (ja) 2000-10-17 2000-10-17 光ヘッド装置および光情報処理装置

Country Status (1)

Country Link
JP (1) JP2002123969A (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6946634B2 (en) 2003-06-25 2005-09-20 Funai Electric Co., Ltd. Optical pickup device
JP2006079797A (ja) * 2004-08-09 2006-03-23 Sanyo Electric Co Ltd 光ピックアップ装置
JP2006079798A (ja) * 2004-08-09 2006-03-23 Sanyo Electric Co Ltd 光ピックアップ装置
WO2007032408A1 (ja) 2005-09-16 2007-03-22 Matsushita Electric Industrial Co., Ltd. 光ピックアップ装置
JP2007115301A (ja) * 2005-10-18 2007-05-10 Matsushita Electric Ind Co Ltd 光ピックアップ装置
JP2007115302A (ja) * 2005-10-18 2007-05-10 Matsushita Electric Ind Co Ltd 光ピックアップ装置
JP2007220175A (ja) * 2006-02-15 2007-08-30 Sanyo Electric Co Ltd 光ピックアップ装置
US7821901B2 (en) 2003-06-25 2010-10-26 Funai Electric Co., Ltd. Optical pickup device for supporting a plurality of types of optical disks

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6946634B2 (en) 2003-06-25 2005-09-20 Funai Electric Co., Ltd. Optical pickup device
US7821901B2 (en) 2003-06-25 2010-10-26 Funai Electric Co., Ltd. Optical pickup device for supporting a plurality of types of optical disks
JP2006079797A (ja) * 2004-08-09 2006-03-23 Sanyo Electric Co Ltd 光ピックアップ装置
JP2006079798A (ja) * 2004-08-09 2006-03-23 Sanyo Electric Co Ltd 光ピックアップ装置
WO2007032408A1 (ja) 2005-09-16 2007-03-22 Matsushita Electric Industrial Co., Ltd. 光ピックアップ装置
US7826331B2 (en) 2005-09-16 2010-11-02 Panasonic Corporation Optical pickup device
JP2007115301A (ja) * 2005-10-18 2007-05-10 Matsushita Electric Ind Co Ltd 光ピックアップ装置
JP2007115302A (ja) * 2005-10-18 2007-05-10 Matsushita Electric Ind Co Ltd 光ピックアップ装置
JP2007220175A (ja) * 2006-02-15 2007-08-30 Sanyo Electric Co Ltd 光ピックアップ装置

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