DE602005008647D1 - Aktor für einen optischen scanner - Google Patents

Aktor für einen optischen scanner

Info

Publication number
DE602005008647D1
DE602005008647D1 DE602005008647T DE602005008647T DE602005008647D1 DE 602005008647 D1 DE602005008647 D1 DE 602005008647D1 DE 602005008647 T DE602005008647 T DE 602005008647T DE 602005008647 T DE602005008647 T DE 602005008647T DE 602005008647 D1 DE602005008647 D1 DE 602005008647D1
Authority
DE
Germany
Prior art keywords
actuator
optical scanner
scanner
optical
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.)
Active
Application number
DE602005008647T
Other languages
English (en)
Inventor
Michael Bammert
Tsuneo Suzuki
Rolf Dupper
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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
Priority claimed from EP05102532A external-priority patent/EP1708183A1/de
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Priority to DE602005008647T priority Critical patent/DE602005008647D1/de
Publication of DE602005008647D1 publication Critical patent/DE602005008647D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/08—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
    • 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
DE602005008647T 2004-12-09 2005-11-22 Aktor für einen optischen scanner Active DE602005008647D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE602005008647T DE602005008647D1 (de) 2004-12-09 2005-11-22 Aktor für einen optischen scanner

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102004059587 2004-12-09
EP05102532A EP1708183A1 (de) 2005-03-31 2005-03-31 Aktuator für optischen Abtaster
PCT/EP2005/056135 WO2006061322A1 (en) 2004-12-09 2005-11-22 Actuator for an optical scanner
DE602005008647T DE602005008647D1 (de) 2004-12-09 2005-11-22 Aktor für einen optischen scanner

Publications (1)

Publication Number Publication Date
DE602005008647D1 true DE602005008647D1 (de) 2008-09-11

Family

ID=36096224

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005008647T Active DE602005008647D1 (de) 2004-12-09 2005-11-22 Aktor für einen optischen scanner

Country Status (5)

Country Link
US (1) US20080123202A1 (de)
EP (1) EP1861851B1 (de)
JP (1) JP2008523532A (de)
DE (1) DE602005008647D1 (de)
WO (1) WO2006061322A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8040763B2 (en) * 2007-12-04 2011-10-18 Mitsubishi Electric Corporation Objective lens driving device and optical pickup device
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5663840A (en) * 1994-06-14 1997-09-02 Nec Corporation Objective lens actuator for optical head and used for high speed access
KR100200872B1 (ko) * 1996-01-09 1999-06-15 윤종용 광픽업장치용 액츄에이터
US5986983A (en) * 1997-11-19 1999-11-16 Eastman Kodak Company Multiple degrees of freedom actuator for optical recording
US6344936B1 (en) * 1999-09-29 2002-02-05 Matsushita Electric Industrial Co., Ltd. Objective lens driving apparatus
EP1098304B1 (de) * 1999-10-15 2006-08-09 Pioneer Corporation Linsenantriebsgerät
JP3888821B2 (ja) * 2000-02-09 2007-03-07 パイオニア株式会社 ピックアップ装置及びその製造方法
US6570720B2 (en) * 2000-03-29 2003-05-27 Tdk Corporation Objective lens drive device of optical pickup
JP4236078B2 (ja) * 2000-07-04 2009-03-11 パイオニア株式会社 光ピックアップ装置
JP3923784B2 (ja) * 2000-11-08 2007-06-06 パイオニア株式会社 レンズ駆動装置
EP1205920B1 (de) * 2000-11-08 2004-05-26 Pioneer Corporation Linsenantriebsgerät
JP2002245647A (ja) * 2001-02-20 2002-08-30 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
KR100620020B1 (ko) * 2001-09-21 2006-09-05 엘지전자 주식회사 광픽업의 렌즈홀더 조정장치
EP1355301A3 (de) * 2002-04-20 2006-03-29 Lg Electronics Inc. Aktuator für optisches Abtastgerät
JP2003346359A (ja) * 2002-05-27 2003-12-05 Pioneer Electronic Corp レンズ駆動装置用コイル基板及びレンズ駆動装置

Also Published As

Publication number Publication date
US20080123202A1 (en) 2008-05-29
EP1861851A1 (de) 2007-12-05
EP1861851B1 (de) 2008-07-30
WO2006061322A1 (en) 2006-06-15
JP2008523532A (ja) 2008-07-03

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition