JP2003308624A - 光ディスク装置 - Google Patents

光ディスク装置

Info

Publication number
JP2003308624A
JP2003308624A JP2002110166A JP2002110166A JP2003308624A JP 2003308624 A JP2003308624 A JP 2003308624A JP 2002110166 A JP2002110166 A JP 2002110166A JP 2002110166 A JP2002110166 A JP 2002110166A JP 2003308624 A JP2003308624 A JP 2003308624A
Authority
JP
Japan
Prior art keywords
high frequency
current
semiconductor laser
amplitude
driving
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
JP2002110166A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003308624A5 (enrdf_load_stackoverflow
Inventor
Buncho Yamazaki
文朝 山崎
Hideki Aiko
秀樹 愛甲
Katsumi Goto
克巳 後藤
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 JP2002110166A priority Critical patent/JP2003308624A/ja
Publication of JP2003308624A publication Critical patent/JP2003308624A/ja
Publication of JP2003308624A5 publication Critical patent/JP2003308624A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2002110166A 2002-04-12 2002-04-12 光ディスク装置 Pending JP2003308624A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002110166A JP2003308624A (ja) 2002-04-12 2002-04-12 光ディスク装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002110166A JP2003308624A (ja) 2002-04-12 2002-04-12 光ディスク装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008026197A Division JP2008112578A (ja) 2008-02-06 2008-02-06 光ディスク装置

Publications (2)

Publication Number Publication Date
JP2003308624A true JP2003308624A (ja) 2003-10-31
JP2003308624A5 JP2003308624A5 (enrdf_load_stackoverflow) 2005-08-25

Family

ID=29393393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002110166A Pending JP2003308624A (ja) 2002-04-12 2002-04-12 光ディスク装置

Country Status (1)

Country Link
JP (1) JP2003308624A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005101597A1 (ja) * 2004-04-15 2005-10-27 Matsushita Electric Industrial Co., Ltd. レーザ駆動装置、レーザ駆動ｉｃ、光ピックアップ及び情報再生装置
JP2007042208A (ja) * 2005-08-03 2007-02-15 Nichia Chem Ind Ltd 信号処理回路、光ディスク装置
JP2009098275A (ja) * 2007-10-15 2009-05-07 Seiko Epson Corp 光源装置及び画像表示装置並びに光量補正方法
JP2010015628A (ja) * 2008-07-02 2010-01-21 Nec Electronics Corp 光ディスク装置及び受光ｉｃ
JP2010086639A (ja) * 2008-10-02 2010-04-15 Hitachi Ltd 光ディスク装置
EP2276024A1 (en) 2006-06-12 2011-01-19 Panasonic Corporation Reading device and reading method for an optical data recording medium
EP2669892A1 (en) 2012-05-31 2013-12-04 Funai Electric Co., Ltd. Optical disc device and optical disc reproduction method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005101597A1 (ja) * 2004-04-15 2005-10-27 Matsushita Electric Industrial Co., Ltd. レーザ駆動装置、レーザ駆動ｉｃ、光ピックアップ及び情報再生装置
JP2007042208A (ja) * 2005-08-03 2007-02-15 Nichia Chem Ind Ltd 信号処理回路、光ディスク装置
EP2346035A1 (en) 2006-06-12 2011-07-20 Panasonic Corporation Reading device and reading method for an optical data recording medium
EP2276024A1 (en) 2006-06-12 2011-01-19 Panasonic Corporation Reading device and reading method for an optical data recording medium
EP2339578A1 (en) 2006-06-12 2011-06-29 Panasonic Corporation Reading device and reading method for an optical data recording medium
EP2346037A1 (en) 2006-06-12 2011-07-20 Panasonic Corporation Reading device and reading method for an optical data recording medium
EP2346036A1 (en) 2006-06-12 2011-07-20 Panasonic Corporation Reading device and reading method for an optical data recording medium
US8000177B2 (en) 2006-06-12 2011-08-16 Panasonic Corporation Reading device and reading method for an optical data recording medium
JP2009098275A (ja) * 2007-10-15 2009-05-07 Seiko Epson Corp 光源装置及び画像表示装置並びに光量補正方法
US8348436B2 (en) 2007-10-15 2013-01-08 Seiko Epson Corporation Light source device, image display device, and light amount correction method
JP2010015628A (ja) * 2008-07-02 2010-01-21 Nec Electronics Corp 光ディスク装置及び受光ｉｃ
JP2010086639A (ja) * 2008-10-02 2010-04-15 Hitachi Ltd 光ディスク装置
EP2669892A1 (en) 2012-05-31 2013-12-04 Funai Electric Co., Ltd. Optical disc device and optical disc reproduction method
US8737185B2 (en) 2012-05-31 2014-05-27 Funai Electric Co., Ltd. Optical disc device and optical disc reproduction method

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