ATE496370T1 - Linsenantriebsmechanismus und optischer lesekopf damit - Google Patents

Linsenantriebsmechanismus und optischer lesekopf damit

Info

Publication number
ATE496370T1
ATE496370T1 AT09006556T AT09006556T ATE496370T1 AT E496370 T1 ATE496370 T1 AT E496370T1 AT 09006556 T AT09006556 T AT 09006556T AT 09006556 T AT09006556 T AT 09006556T AT E496370 T1 ATE496370 T1 AT E496370T1
Authority
AT
Austria
Prior art keywords
lead screw
nut member
drive mechanism
lens
lens drive
Prior art date
Application number
AT09006556T
Other languages
English (en)
Inventor
Ryozo Hosoda
Tetsuya Yoshida
Shinya Hatano
Original Assignee
Funai Electric Co
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 filed Critical Funai Electric Co
Application granted granted Critical
Publication of ATE496370T1 publication Critical patent/ATE496370T1/de

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
    • G11B7/135—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
    • G11B7/08—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
    • G11B7/0927—Electromechanical actuators for lens positioning for focusing only

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Facsimile Scanning Arrangements (AREA)
AT09006556T 2008-05-19 2009-05-14 Linsenantriebsmechanismus und optischer lesekopf damit ATE496370T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008130291A JP4518186B2 (ja) 2008-05-19 2008-05-19 レンズ駆動機構及びそれを備えた光ピックアップ

Publications (1)

Publication Number Publication Date
ATE496370T1 true ATE496370T1 (de) 2011-02-15

Family

ID=41137805

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09006556T ATE496370T1 (de) 2008-05-19 2009-05-14 Linsenantriebsmechanismus und optischer lesekopf damit

Country Status (5)

Country Link
US (1) US8004773B2 (de)
EP (1) EP2128861B1 (de)
JP (1) JP4518186B2 (de)
AT (1) ATE496370T1 (de)
DE (1) DE602009000605D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5653140B2 (ja) * 2010-09-01 2015-01-14 株式会社エンプラス 光ピックアップ装置
JP5790004B2 (ja) * 2011-02-07 2015-10-07 船井電機株式会社 光ピックアップのレンズ駆動機構
CN102768392B (zh) * 2011-05-04 2015-03-25 亚洲光学股份有限公司 光学器材的传动装置
JP2012252755A (ja) * 2011-06-06 2012-12-20 Funai Electric Co Ltd 光ピックアップのレンズ駆動機構
CN114321131A (zh) * 2021-11-30 2022-04-12 上海卫星装备研究所 空间载荷变位用电动螺纹副锁紧装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60191479A (ja) 1984-03-12 1985-09-28 Sharp Corp 光学ヘツドの送り機構
JPS639078A (ja) * 1986-06-30 1988-01-14 Canon Inc 情報記録再生装置
JPH02149169A (ja) 1988-11-30 1990-06-07 Nec Corp 局線中継台に於ける不在内線表示方式
JPH02149169U (de) * 1989-05-19 1990-12-19
JPH11259906A (ja) * 1998-01-09 1999-09-24 Sony Corp 光学ヘッド、記録及び／又は再生装置、記録及び／又は再生方法、並びに厚み検出方法
JP3686539B2 (ja) 1998-10-28 2005-08-24 パイオニア株式会社 ピックアップ送り機構
JP3888506B2 (ja) * 1999-10-07 2007-03-07 アルパイン株式会社 光ピックアップの移送機構
JP3842946B2 (ja) 2000-03-15 2006-11-08 パイオニア株式会社 ピックアップの送り機構
JP2003059212A (ja) 2001-08-22 2003-02-28 Nec Corp 光ディスク装置の光ピックアップ送り機構
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
JP4597089B2 (ja) * 2006-04-19 2010-12-15 日本電産コパル株式会社 光ピックアップユニット
JP2008041214A (ja) * 2006-08-09 2008-02-21 Nidec Copal Corp 光ピックアップユニット
JP4980364B2 (ja) * 2006-10-11 2012-07-18 パナソニック株式会社 駆動装置、光学ヘッド及び光ディスク記録再生装置

Also Published As

Publication number Publication date
EP2128861B1 (de) 2011-01-19
US20090284852A1 (en) 2009-11-19
JP2009277330A (ja) 2009-11-26
US8004773B2 (en) 2011-08-23
DE602009000605D1 (de) 2011-03-03
EP2128861A1 (de) 2009-12-02
JP4518186B2 (ja) 2010-08-04

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Legal Events

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