ATE525724T1 - Optischer lesekopf - Google Patents

Optischer lesekopf

Info

Publication number
ATE525724T1
ATE525724T1 AT10150543T AT10150543T ATE525724T1 AT E525724 T1 ATE525724 T1 AT E525724T1 AT 10150543 T AT10150543 T AT 10150543T AT 10150543 T AT10150543 T AT 10150543T AT E525724 T1 ATE525724 T1 AT E525724T1
Authority
AT
Austria
Prior art keywords
optical system
objective lens
optical
reading head
optical reading
Prior art date
Application number
AT10150543T
Other languages
English (en)
Inventor
Tatsuya Ito
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 ATE525724T1 publication Critical patent/ATE525724T1/de

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0925Electromechanical actuators for lens positioning
    • G11B7/0935Details of the moving parts
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0925Electromechanical actuators for lens positioning
    • G11B7/0933Details of stationary parts
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B7/1374Objective lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
AT10150543T 2009-01-13 2010-01-12 Optischer lesekopf ATE525724T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009004770A JP2010165391A (ja) 2009-01-13 2009-01-13 光ピックアップ

Publications (1)

Publication Number Publication Date
ATE525724T1 true ATE525724T1 (de) 2011-10-15

Family

ID=41820659

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10150543T ATE525724T1 (de) 2009-01-13 2010-01-12 Optischer lesekopf

Country Status (4)

Country Link
US (1) US8279724B2 (de)
EP (1) EP2207176B1 (de)
JP (1) JP2010165391A (de)
AT (1) ATE525724T1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011158954A1 (ja) * 2010-06-16 2011-12-22 三洋電機株式会社 光ピックアップ装置および光ピックアップ支持装置
CN108663353B (zh) * 2017-03-31 2020-10-30 苏州星帆华镭光电科技有限公司 振动光路组件及具有该组件的激光诱导击穿光谱仪

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001101692A (ja) 1999-09-29 2001-04-13 Mitsubishi Electric Corp 光ヘッド及び光記録再生装置
JP4412085B2 (ja) 2004-07-09 2010-02-10 ソニー株式会社 光ピックアップ装置、記録及び/又は再生装置
JP4537309B2 (ja) 2005-03-29 2010-09-01 富士通株式会社 光ピックアップ
CN101151666A (zh) * 2005-03-30 2008-03-26 富士通株式会社 光拾取器及光盘装置
US7903507B2 (en) 2005-12-27 2011-03-08 Sanyo Electric Co., Ltd. Optical pickup device and method of laying out the same
JP2007334990A (ja) 2006-06-14 2007-12-27 Sanyo Electric Co Ltd 光ピックアップ装置
JP2008059668A (ja) 2006-08-30 2008-03-13 Sony Corp 光ピックアップ及び光ディスク装置
JP2008059659A (ja) * 2006-08-30 2008-03-13 Funai Electric Co Ltd 光ピックアップ
JPWO2008081859A1 (ja) * 2006-12-29 2010-04-30 パナソニック株式会社 光ピックアップ、光ディスク装置、複合カップリングレンズ、複合プリズム、及び光情報機器

Also Published As

Publication number Publication date
US8279724B2 (en) 2012-10-02
US20100177623A1 (en) 2010-07-15
EP2207176B1 (de) 2011-09-21
JP2010165391A (ja) 2010-07-29
EP2207176A1 (de) 2010-07-14

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties