JP6090015B2 - レンズ駆動装置及び光ディスク装置 - Google Patents

レンズ駆動装置及び光ディスク装置 Download PDF

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Publication number
JP6090015B2
JP6090015B2 JP2013139802A JP2013139802A JP6090015B2 JP 6090015 B2 JP6090015 B2 JP 6090015B2 JP 2013139802 A JP2013139802 A JP 2013139802A JP 2013139802 A JP2013139802 A JP 2013139802A JP 6090015 B2 JP6090015 B2 JP 6090015B2
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JP
Japan
Prior art keywords
lens
driving device
drive
lens holder
abnormality
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.)
Expired - Fee Related
Application number
JP2013139802A
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English (en)
Japanese (ja)
Other versions
JP2014075171A (ja
JP2014075171A5 (enExample
Inventor
一矢 原田
一矢 原田
徹夫 西館
徹夫 西館
野上　豊史
豊史 野上
寛正 笹岡
寛正 笹岡
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.)
Funai Electric Co Ltd
Original Assignee
Funai Electric 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 Funai Electric Co Ltd filed Critical Funai Electric Co Ltd
Priority to JP2013139802A priority Critical patent/JP6090015B2/ja
Priority to US13/938,326 priority patent/US9297979B2/en
Priority to EP13175829.4A priority patent/EP2685455B1/en
Publication of JP2014075171A publication Critical patent/JP2014075171A/ja
Publication of JP2014075171A5 publication Critical patent/JP2014075171A5/ja
Application granted granted Critical
Publication of JP6090015B2 publication Critical patent/JP6090015B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • 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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10388—Improvement or modification of read or write signals signal quality assessment control of the read or write heads, e.g. tracking errors, defocus or tilt compensation
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1376—Collimator lenses
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Head (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2013139802A 2012-07-12 2013-07-03 レンズ駆動装置及び光ディスク装置 Expired - Fee Related JP6090015B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013139802A JP6090015B2 (ja) 2012-07-12 2013-07-03 レンズ駆動装置及び光ディスク装置
US13/938,326 US9297979B2 (en) 2012-07-12 2013-07-10 Lens driving device and optical disc apparatus
EP13175829.4A EP2685455B1 (en) 2012-07-12 2013-07-10 Lens driving device and optical disc apparatus

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2012156653 2012-07-12
JP2012156653 2012-07-12
JP2012201105 2012-09-13
JP2012201106 2012-09-13
JP2012201105 2012-09-13
JP2012201106 2012-09-13
JP2013139802A JP6090015B2 (ja) 2012-07-12 2013-07-03 レンズ駆動装置及び光ディスク装置

Publications (3)

Publication Number Publication Date
JP2014075171A JP2014075171A (ja) 2014-04-24
JP2014075171A5 JP2014075171A5 (enExample) 2017-02-02
JP6090015B2 true JP6090015B2 (ja) 2017-03-08

Family

ID=48748016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013139802A Expired - Fee Related JP6090015B2 (ja) 2012-07-12 2013-07-03 レンズ駆動装置及び光ディスク装置

Country Status (3)

Country Link
US (1) US9297979B2 (enExample)
EP (1) EP2685455B1 (enExample)
JP (1) JP6090015B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9648062B2 (en) * 2014-06-12 2017-05-09 Apple Inc. Systems and methods for multitasking on an electronic device with a touch-sensitive display
US10520738B2 (en) * 2015-02-25 2019-12-31 Lg Innotek Co., Ltd. Optical apparatus
JP5900682B1 (ja) * 2015-04-17 2016-04-06 ミツミ電機株式会社 １軸回転アクチュエーター

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0199486A (ja) * 1987-10-12 1989-04-18 Pioneer Electron Corp ピックアップ駆動用リニアモータの制御装置
JPH02226524A (ja) * 1989-02-27 1990-09-10 Pioneer Electron Corp ディスク演奏装置におけるスライダー制御装置
JPH0442765A (ja) * 1990-06-08 1992-02-13 Sony Corp リニヤモータ
JP2000206444A (ja) * 1999-01-19 2000-07-28 Sankyo Seiki Mfg Co Ltd ビ―ム走査装置
JP2002170274A (ja) * 2000-12-05 2002-06-14 Pioneer Electronic Corp 光ピックアップ
JP3643030B2 (ja) * 2000-12-05 2005-04-27 シャープ株式会社 光ピックアップ装置
EP1527445B1 (en) * 2002-07-30 2008-08-20 Koninklijke Philips Electronics N.V. Disc drive apparatus
US7050713B2 (en) * 2002-08-27 2006-05-23 Pentax Corporation Optical element retracting mechanism for a photographing lens
JP2005190630A (ja) * 2003-12-26 2005-07-14 Toshiba Corp 光ディスクドライブおよび光ピックアップのスタート位置決め方法
KR100656640B1 (ko) * 2004-12-21 2006-12-11 엘지전자 주식회사 광 기록 재생 장치 및 방법
JP2007265597A (ja) * 2006-03-01 2007-10-11 Hitachi Media Electoronics Co Ltd 光学素子送り装置の駆動方法および光ディスク装置
US7675832B2 (en) * 2006-03-01 2010-03-09 Hitachi Media Electronics Co., Ltd. Optical element feeding device driving method and optical disk apparatus
WO2008044674A1 (en) * 2006-10-11 2008-04-17 Panasonic Corporation Drive device, optical head, and optical disk recording/reproducing device
JP2008234698A (ja) * 2007-03-16 2008-10-02 Funai Electric Co Ltd 光ディスク再生装置
US8429681B2 (en) * 2007-09-06 2013-04-23 Sanyo Electric Co., Ltd. Optical disc apparatus which includes an optical pickup apparatus that includes an optical member driving apparatus
JP2009093762A (ja) 2007-10-10 2009-04-30 Sharp Corp 光ピックアップ装置
JP2009104748A (ja) * 2007-10-25 2009-05-14 Funai Electric Co Ltd 光ピックアップ
US7965933B2 (en) * 2007-11-09 2011-06-21 Hoya Corporation Mechanism for controlling position of optical element
JP2010165445A (ja) * 2008-12-18 2010-07-29 Sony Corp 送り機構、球面収差補正機構、光ピックアップ及び光ディスク装置
JP5564189B2 (ja) * 2009-03-02 2014-07-30 株式会社ソニー・コンピュータエンタテインメント 光ディスク装置、その制御方法、プログラム及び情報記憶媒体
JP2010277674A (ja) * 2009-04-27 2010-12-09 Sanyo Electric Co Ltd 光ディスク装置およびレンズ制御方法

Also Published As

Publication number Publication date
US20140016449A1 (en) 2014-01-16
JP2014075171A (ja) 2014-04-24
US9297979B2 (en) 2016-03-29
EP2685455B1 (en) 2021-04-21
EP2685455A3 (en) 2017-05-24
EP2685455A2 (en) 2014-01-15

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