ATE409941T1 - Optisches abtastsystem mit antrieb für sphärische kompensation - Google Patents

Optisches abtastsystem mit antrieb für sphärische kompensation

Info

Publication number
ATE409941T1
ATE409941T1 AT04078557T AT04078557T ATE409941T1 AT E409941 T1 ATE409941 T1 AT E409941T1 AT 04078557 T AT04078557 T AT 04078557T AT 04078557 T AT04078557 T AT 04078557T AT E409941 T1 ATE409941 T1 AT E409941T1
Authority
AT
Austria
Prior art keywords
spherical aberration
aberration compensation
optical
compensation actuator
object lens
Prior art date
Application number
AT04078557T
Other languages
English (en)
Inventor
Seong Hun Lee
In Ho Choi
Gin A Kim
Kwan Woo Park
Original Assignee
Lg Electronics Inc
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 Lg Electronics Inc filed Critical Lg Electronics Inc
Application granted granted Critical
Publication of ATE409941T1 publication Critical patent/ATE409941T1/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • 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
    • 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
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
AT04078557T 2003-12-30 2004-12-29 Optisches abtastsystem mit antrieb für sphärische kompensation ATE409941T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030100440A KR100557040B1 (ko) 2003-12-30 2003-12-30 광 픽업 시스템

Publications (1)

Publication Number Publication Date
ATE409941T1 true ATE409941T1 (de) 2008-10-15

Family

ID=34567857

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04078557T ATE409941T1 (de) 2003-12-30 2004-12-29 Optisches abtastsystem mit antrieb für sphärische kompensation

Country Status (6)

Country Link
US (1) US7372785B2 (de)
EP (1) EP1551016B1 (de)
KR (1) KR100557040B1 (de)
CN (1) CN1316477C (de)
AT (1) ATE409941T1 (de)
DE (1) DE602004016814D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3992072B2 (ja) * 2004-07-13 2007-10-17 コニカミノルタオプト株式会社 光ピックアップ装置
KR20070111097A (ko) * 2006-05-16 2007-11-21 삼성전자주식회사 기계 장치와, 광 디스크 드라이브 및 그 제어 방법
WO2008020354A1 (en) * 2006-08-15 2008-02-21 Koninklijke Philips Electronics N.V. Spherical aberration compensation adjustment
JP2009093762A (ja) * 2007-10-10 2009-04-30 Sharp Corp 光ピックアップ装置
CN105359006B (zh) 2013-07-04 2018-06-22 核心光电有限公司 小型长焦透镜套件
CN108718376B (zh) 2013-08-01 2020-08-14 核心光电有限公司 具有自动聚焦的纤薄多孔径成像系统及其使用方法
US9392188B2 (en) 2014-08-10 2016-07-12 Corephotonics Ltd. Zoom dual-aperture camera with folded lens
KR102143309B1 (ko) 2015-08-13 2020-08-11 코어포토닉스 리미티드 비디오 지원 및 스위칭/비스위칭 동적 제어 기능이 있는 듀얼-애퍼처 줌 카메라
KR102063411B1 (ko) 2016-05-30 2020-01-07 코어포토닉스 리미티드 회전식 볼-가이드 음성 코일 모터
KR102226315B1 (ko) 2016-07-07 2021-03-12 코어포토닉스 리미티드 폴디드 옵틱용 선형 볼 가이드 음성 코일 모터
CN110140076B (zh) 2017-11-23 2021-05-21 核心光电有限公司 紧凑型折叠式摄影机结构
KR102527790B1 (ko) * 2018-01-30 2023-04-28 엘지이노텍 주식회사 카메라 모듈
US10976567B2 (en) 2018-02-05 2021-04-13 Corephotonics Ltd. Reduced height penalty for folded camera
EP4109174A1 (de) 2018-04-23 2022-12-28 Corephotonics Ltd. Strahlengangfaltelement mit erweitertem drehbereich mit zwei freiheitsgraden
US11635596B2 (en) 2018-08-22 2023-04-25 Corephotonics Ltd. Two-state zoom folded camera
CN110045516A (zh) * 2019-04-22 2019-07-23 北京科益虹源光电技术有限公司 一种用于准分子激光器的镜片调整装置
CN117518313A (zh) 2020-05-30 2024-02-06 核心光电有限公司 用于获得超微距图像的系统
US11637977B2 (en) 2020-07-15 2023-04-25 Corephotonics Ltd. Image sensors and sensing methods to obtain time-of-flight and phase detection information
EP4204885A4 (de) 2021-06-08 2024-03-06 Corephotonics Ltd Systeme und kameras zum kippen einer fokalebene eines supermakrobildes

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05250698A (ja) * 1992-03-05 1993-09-28 Yamaha Corp 光ヘッド装置
JPH08167158A (ja) * 1994-12-13 1996-06-25 Sony Corp 二軸アクチュエータ
WO1997042632A1 (fr) * 1996-05-09 1997-11-13 Sony Corporation Tete de lecture optique et lecteur de disque
KR19980058788A (ko) * 1996-12-30 1998-10-07 배순훈 광 픽업
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
JP2001148127A (ja) * 1999-11-19 2001-05-29 Sony Corp 対物レンズ駆動装置
KR100657247B1 (ko) * 1999-11-30 2006-12-19 삼성전자주식회사 고밀도 광집속을 위한 대물렌즈 및 이를 채용한광픽업장치
JP2001176121A (ja) * 1999-12-17 2001-06-29 Olympus Optical Co Ltd 情報記録再生装置の光学素子支持装置
KR100775944B1 (ko) * 2000-02-24 2007-11-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 변위 가능형 시준렌즈용 액추에이터를 구비한 광학 주사장치 및 광학 재생장치
EP1968054A3 (de) * 2000-05-12 2012-03-07 Konica Minolta Opto, Inc. Optische Lesekopfvorrichtung
JP2002197693A (ja) * 2000-12-27 2002-07-12 Olympus Optical Co Ltd 光学系駆動装置
US6968563B2 (en) * 2001-07-27 2005-11-22 Kabushiki Kaisha Toshiba Optical head
EP1459298A2 (de) * 2001-12-11 2004-09-22 Koninklijke Philips Electronics N.V. Optische abtastvorrichtung
US7287264B2 (en) * 2002-06-06 2007-10-23 Ricoh Company, Ltd. Objective lens drive apparatus with objective lens portion movable along support member axial direction

Also Published As

Publication number Publication date
EP1551016B1 (de) 2008-10-01
DE602004016814D1 (de) 2008-11-13
KR100557040B1 (ko) 2006-03-03
EP1551016A3 (de) 2007-02-14
CN1316477C (zh) 2007-05-16
US7372785B2 (en) 2008-05-13
US20050141390A1 (en) 2005-06-30
KR20050070650A (ko) 2005-07-07
EP1551016A2 (de) 2005-07-06
CN1637892A (zh) 2005-07-13

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