JP2004005813A - 光ヘッド装置及びそれを用いた光再生装置 - Google Patents

光ヘッド装置及びそれを用いた光再生装置 Download PDF

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Publication number
JP2004005813A
JP2004005813A JP2002158886A JP2002158886A JP2004005813A JP 2004005813 A JP2004005813 A JP 2004005813A JP 2002158886 A JP2002158886 A JP 2002158886A JP 2002158886 A JP2002158886 A JP 2002158886A JP 2004005813 A JP2004005813 A JP 2004005813A
Authority
JP
Japan
Prior art keywords
coil
tracking
focus
magnet
coils
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
JP2002158886A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004005813A5 (enExample
Inventor
Noriyuki Kono
河野　紀行
Nobuo Uekusa
植草　伸夫
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP2002158886A priority Critical patent/JP2004005813A/ja
Priority to US10/448,358 priority patent/US7203951B2/en
Priority to CN03123986.2A priority patent/CN1251201C/zh
Priority to TW092114710A priority patent/TWI294624B/zh
Publication of JP2004005813A publication Critical patent/JP2004005813A/ja
Publication of JP2004005813A5 publication Critical patent/JP2004005813A5/ja
Pending legal-status Critical Current

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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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0935—Details of the moving parts
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0933—Details of stationary parts
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Lens Barrels (AREA)
JP2002158886A 2002-05-31 2002-05-31 光ヘッド装置及びそれを用いた光再生装置 Pending JP2004005813A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2002158886A JP2004005813A (ja) 2002-05-31 2002-05-31 光ヘッド装置及びそれを用いた光再生装置
US10/448,358 US7203951B2 (en) 2002-05-31 2003-05-30 Optical head device for an optical disk apparatus reading and writing information on an optical disk
CN03123986.2A CN1251201C (zh) 2002-05-31 2003-05-30 光学头装置和采用此光学头装置的光学再现设备
TW092114710A TWI294624B (en) 2002-05-31 2003-05-30 Optical head device and optical reproducing apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002158886A JP2004005813A (ja) 2002-05-31 2002-05-31 光ヘッド装置及びそれを用いた光再生装置

Publications (2)

Publication Number Publication Date
JP2004005813A true JP2004005813A (ja) 2004-01-08
JP2004005813A5 JP2004005813A5 (enExample) 2005-10-06

Family

ID=29773845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002158886A Pending JP2004005813A (ja) 2002-05-31 2002-05-31 光ヘッド装置及びそれを用いた光再生装置

Country Status (4)

Country Link
US (1) US7203951B2 (enExample)
JP (1) JP2004005813A (enExample)
CN (1) CN1251201C (enExample)
TW (1) TWI294624B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008052839A (ja) * 2006-08-25 2008-03-06 Pioneer Electronic Corp レンズ駆動装置

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1422313A1 (de) * 2002-11-05 2004-05-26 Theva Dünnschichttechnik GmbH Vorrichtung und Verfahren zum Aufdampfen eines Beschichtungsmaterials im Vakuum mit kontinuierlicher Materialnachführung
JP2006066048A (ja) * 2003-12-25 2006-03-09 Nidec Sankyo Corp 対物レンズ駆動装置、及びそれを備えた光ヘッド装置
JP2005235349A (ja) * 2004-02-23 2005-09-02 Ricoh Co Ltd アクチュエータ、光ピックアップ装置及び光ディスク装置
JP2005251358A (ja) * 2004-03-08 2005-09-15 Sankyo Seiki Mfg Co Ltd 対物レンズ駆動装置、及びそれを備えた光ヘッド装置
EP1587084A1 (de) * 2004-04-15 2005-10-19 Deutsche Thomson-Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
JP2005332518A (ja) * 2004-05-21 2005-12-02 Toshiba Corp 光学部品３軸駆動装置及びそれを用いた記録再生装置
US7535663B2 (en) * 2004-12-21 2009-05-19 Ionosep X L.L.C. Optical pickup actuator
TW200709200A (en) * 2005-08-29 2007-03-01 Lite On It Corp Actuator of optical pickup head with horizontal-arranged magnetic field generator and coil apparatus
KR101222860B1 (ko) * 2005-09-01 2013-01-16 삼성전자주식회사 광픽업장치
EP1801797A1 (de) 2005-12-20 2007-06-27 Deutsche Thomson-Brandt Gmbh Gerät zum Zugreifen auf optische Aufzeichnungsträger
JP2008159126A (ja) * 2006-12-22 2008-07-10 Funai Electric Co Ltd 対物レンズ駆動装置および光ディスク装置
JP4666236B2 (ja) * 2008-06-09 2011-04-06 ソニー株式会社 光ピックアップ及びディスクドライブ装置
JP4612085B2 (ja) * 2008-09-16 2011-01-12 株式会社日立メディアエレクトロニクス 対物レンズ駆動装置
JP5904392B2 (ja) * 2010-05-24 2016-04-13 新シコー科技株式会社 レンズ駆動装置、オートフォーカスカメラ及びカメラ付きモバイル端末装置
US8593743B2 (en) * 2011-07-19 2013-11-26 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Magnetic structure for compact imaging device
JP2013069389A (ja) * 2011-09-26 2013-04-18 Sanyo Electric Co Ltd 対物レンズ駆動装置およびそれを備えた光ピックアップ装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0144445B1 (en) * 1983-05-31 1988-03-09 Matsushita Electric Industrial Co., Ltd. Apparatus for driving objective lens of optical disc player
US4987565A (en) * 1988-01-22 1991-01-22 Olympus Optical Co., Ltd. Apparatus for driving objective lens
JPH02203431A (ja) * 1989-02-02 1990-08-13 Teac Corp 対物レンズ駆動装置及びその製造方法
JPH0991725A (ja) * 1995-09-20 1997-04-04 Matsushita Electric Ind Co Ltd 光学式情報記録再生装置の光ピックアップ
EP1098304B1 (en) * 1999-10-15 2006-08-09 Pioneer Corporation Lens driving apparatus
JP2001229555A (ja) 2000-02-09 2001-08-24 Pioneer Electronic Corp レンズ駆動装置、レンズ駆動装置用のサスペンションユニット及びレンズ駆動装置の製造方法
KR100518873B1 (ko) * 2000-11-04 2005-09-30 엘지전자 주식회사 광 픽업 액츄에이터

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008052839A (ja) * 2006-08-25 2008-03-06 Pioneer Electronic Corp レンズ駆動装置

Also Published As

Publication number Publication date
US20040022168A1 (en) 2004-02-05
CN1462031A (zh) 2003-12-17
CN1251201C (zh) 2006-04-12
TW200402046A (en) 2004-02-01
TWI294624B (en) 2008-03-11
US7203951B2 (en) 2007-04-10

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