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DE60103478D1 - Linsenantriebsgerät - Google Patents

Linsenantriebsgerät

Info

Publication number
DE60103478D1
DE60103478D1 DE60103478T DE60103478T DE60103478D1 DE 60103478 D1 DE60103478 D1 DE 60103478D1 DE 60103478 T DE60103478 T DE 60103478T DE 60103478 T DE60103478 T DE 60103478T DE 60103478 D1 DE60103478 D1 DE 60103478D1
Authority
DE
Germany
Prior art keywords
driving unit
lens driving
lens
unit
driving
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
DE60103478T
Other languages
English (en)
Other versions
DE60103478T2 (de
Inventor
Kazutaka Goami
Jun Suzuki
Shigeru Takaya
Shigeyuki Sasanuma
Shinichi Fujinoki
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Application granted granted Critical
Publication of DE60103478D1 publication Critical patent/DE60103478D1/de
Publication of DE60103478T2 publication Critical patent/DE60103478T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B7/1359—Single prisms
    • 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
    • G11B7/0925—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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G11B7/1275—Two or more lasers having different wavelengths
    • 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
    • G11B7/1395—Beam splitters or combiners
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
    • 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
    • G11B7/082—Aligning the head or the light source relative to the record carrier otherwise than during transducing, e.g. adjusting tilt set screw during assembly of head
    • 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
    • G11B7/0901—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 for track following only
    • G11B7/0903—Multi-beam tracking systems
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60103478T 2000-11-08 2001-11-08 Linsenantriebsgerät Expired - Fee Related DE60103478T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000341060 2000-11-08
JP2000341060 2000-11-08

Publications (2)

Publication Number Publication Date
DE60103478D1 true DE60103478D1 (de) 2004-07-01
DE60103478T2 DE60103478T2 (de) 2005-07-07

Family

ID=18815858

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60103478T Expired - Fee Related DE60103478T2 (de) 2000-11-08 2001-11-08 Linsenantriebsgerät

Country Status (3)

Country Link
US (1) US7002879B2 (de)
EP (1) EP1205920B1 (de)
DE (1) DE60103478T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1587077A1 (de) * 2004-04-15 2005-10-19 Deutsche Thomson-Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
JP2008523532A (ja) * 2004-12-09 2008-07-03 トムソン ライセンシング 光スキャナ用のアクチュエータ
WO2007128784A1 (en) * 2006-05-03 2007-11-15 Arima Devices Corporation Optical unit and optical storage device
EP1873767A1 (de) * 2006-06-30 2008-01-02 Deutsche Thomson-Brandt Gmbh Optisches Abtastgerät und optisches Schreib- und Lesegerät
EP1873769A3 (de) * 2006-06-30 2008-07-16 Thomson Licensing S.A. Optischer Lesekopf und optische Aufzeichnungs- oder Wiedergabevorrichtung
JP2008152888A (ja) 2006-12-20 2008-07-03 Funai Electric Co Ltd 対物レンズ駆動装置、その組立て方法、及び光ディスク装置
TWI368098B (en) * 2008-03-27 2012-07-11 E Pin Optical Industry Co Ltd Electromagnet for lens driving mechanism thereof
CN106572284A (zh) * 2015-10-09 2017-04-19 南昌欧菲光电技术有限公司 摄像头模组

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782476A (en) 1986-06-24 1988-11-01 Sharp Kabushiki Kaisha Objective lens-driving unit
US5541898A (en) 1991-08-20 1996-07-30 Sankyo Seiki Mfg. Co., Ltd. Device for driving an objective lens
JPH05101423A (ja) 1991-10-08 1993-04-23 Pioneer Electron Corp 光学式記録媒体のピツクアツプ装置
US5870373A (en) 1994-10-04 1999-02-09 Lg Electronics Inc. Optical pick-up driving apparatus
KR970029416A (ko) 1995-11-30 1997-06-26 김광호 광픽업용 대물렌즈 구동장치
US6344936B1 (en) * 1999-09-29 2002-02-05 Matsushita Electric Industrial Co., Ltd. Objective lens driving apparatus
JP2001229557A (ja) 2000-02-09 2001-08-24 Pioneer Electronic Corp ディスクプレーヤのレンズ駆動装置及びディスクプレーヤのレンズ駆動装置用のプリント基板コイル
US6570720B2 (en) * 2000-03-29 2003-05-27 Tdk Corporation Objective lens drive device of optical pickup

Also Published As

Publication number Publication date
EP1205920A3 (de) 2003-04-23
US20020054546A1 (en) 2002-05-09
EP1205920B1 (de) 2004-05-26
US7002879B2 (en) 2006-02-21
DE60103478T2 (de) 2005-07-07
EP1205920A2 (de) 2002-05-15

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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
8339 Ceased/non-payment of the annual fee