JP2001118281A - 光ヘッドおよび光情報記録装置 - Google Patents

光ヘッドおよび光情報記録装置

Info

Publication number
JP2001118281A
JP2001118281A JP29260199A JP29260199A JP2001118281A JP 2001118281 A JP2001118281 A JP 2001118281A JP 29260199 A JP29260199 A JP 29260199A JP 29260199 A JP29260199 A JP 29260199A JP 2001118281 A JP2001118281 A JP 2001118281A
Authority
JP
Japan
Prior art keywords
light
light beam
optical head
optical
separating means
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
JP29260199A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001118281A5 (enExample
Inventor
Nobuhiro Shibata
暢宏 柴田
Toru Sasaki
徹 佐々木
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 Consumer Electronics Co Ltd
Original Assignee
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 Media Electronics Co Ltd filed Critical Hitachi Media Electronics Co Ltd
Priority to JP29260199A priority Critical patent/JP2001118281A/ja
Publication of JP2001118281A publication Critical patent/JP2001118281A/ja
Publication of JP2001118281A5 publication Critical patent/JP2001118281A5/ja
Pending legal-status Critical Current

Links

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  • Optical Head (AREA)
JP29260199A 1999-10-14 1999-10-14 光ヘッドおよび光情報記録装置 Pending JP2001118281A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29260199A JP2001118281A (ja) 1999-10-14 1999-10-14 光ヘッドおよび光情報記録装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29260199A JP2001118281A (ja) 1999-10-14 1999-10-14 光ヘッドおよび光情報記録装置

Publications (2)

Publication Number Publication Date
JP2001118281A true JP2001118281A (ja) 2001-04-27
JP2001118281A5 JP2001118281A5 (enExample) 2006-11-24

Family

ID=17783910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29260199A Pending JP2001118281A (ja) 1999-10-14 1999-10-14 光ヘッドおよび光情報記録装置

Country Status (1)

Country Link
JP (1) JP2001118281A (enExample)

Cited By (8)

* 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
US7218591B2 (en) 2002-04-17 2007-05-15 Sharp Kabushiki Kaisha Optical pickup apparatus
US7321533B2 (en) 2002-03-20 2008-01-22 Sharp Kabushiki Kaisha Optical pickup device having a wavelength selecting film and an optical reflector
CN100401396C (zh) * 2004-02-18 2008-07-09 Tdk株式会社 光学头、光学再生装置和光学记录及再生装置
US7569801B2 (en) 2003-12-19 2009-08-04 Tdk Corporation Optical head, optical reproducing apparatus, and optical recording and reproducing apparatus
JP2023018335A (ja) * 2021-07-27 2023-02-08 シチズン電子株式会社 光源装置
US11990728B2 (en) 2020-05-26 2024-05-21 Nichia Corporation Light emitting device
US12224387B2 (en) 2020-12-24 2025-02-11 Nichia Corporation Light emitting device

Cited By (9)

* 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
US7321533B2 (en) 2002-03-20 2008-01-22 Sharp Kabushiki Kaisha Optical pickup device having a wavelength selecting film and an optical reflector
US7218591B2 (en) 2002-04-17 2007-05-15 Sharp Kabushiki Kaisha Optical pickup apparatus
US7569801B2 (en) 2003-12-19 2009-08-04 Tdk Corporation Optical head, optical reproducing apparatus, and optical recording and reproducing apparatus
CN100401396C (zh) * 2004-02-18 2008-07-09 Tdk株式会社 光学头、光学再生装置和光学记录及再生装置
US7482573B2 (en) 2004-02-18 2009-01-27 Tdk Corporation Optical head, optical reproduction apparatus and optical record and reproduction apparatus
US11990728B2 (en) 2020-05-26 2024-05-21 Nichia Corporation Light emitting device
US12224387B2 (en) 2020-12-24 2025-02-11 Nichia Corporation Light emitting device
JP2023018335A (ja) * 2021-07-27 2023-02-08 シチズン電子株式会社 光源装置

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