CN100356462C - 光学拾波器执行器 - Google Patents

光学拾波器执行器 Download PDF

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Publication number
CN100356462C
CN100356462C CNB2005100811892A CN200510081189A CN100356462C CN 100356462 C CN100356462 C CN 100356462C CN B2005100811892 A CNB2005100811892 A CN B2005100811892A CN 200510081189 A CN200510081189 A CN 200510081189A CN 100356462 C CN100356462 C CN 100356462C
Authority
CN
China
Prior art keywords
coil
radial
magnet
optical pickup
lens clamp
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
CNB2005100811892A
Other languages
English (en)
Chinese (zh)
Other versions
CN1725317A (zh
Inventor
韩政烨
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.)
LG Electronics Inc
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
Publication of CN1725317A publication Critical patent/CN1725317A/zh
Application granted granted Critical
Publication of CN100356462C publication Critical patent/CN100356462C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G11B7/08—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
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
CNB2005100811892A 2004-06-25 2005-06-23 光学拾波器执行器 Expired - Fee Related CN100356462C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020040047976 2004-06-25
KR1020040047976A KR101043101B1 (ko) 2004-06-25 2004-06-25 광 픽업 액츄에이터
KR1020040065738 2004-08-20
KR1020040065739 2004-08-20

Publications (2)

Publication Number Publication Date
CN1725317A CN1725317A (zh) 2006-01-25
CN100356462C true CN100356462C (zh) 2007-12-19

Family

ID=35924739

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100811892A Expired - Fee Related CN100356462C (zh) 2004-06-25 2005-06-23 光学拾波器执行器

Country Status (2)

Country Link
KR (1) KR101043101B1 (ko)
CN (1) CN100356462C (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101399012B1 (ko) 2007-09-12 2014-05-26 삼성전기주식회사 영상 복원 장치 및 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1335613A (zh) * 2000-07-14 2002-02-13 Tdk株式会社 光拾取器中所使用的物镜驱动装置
CN1396587A (zh) * 2001-06-19 2003-02-12 三星电子株式会社 光头致动器
EP1369854A2 (en) * 2002-06-06 2003-12-10 Ricoh Company, Ltd. Objective lens drive apparatus, optical pickup device, and optical disk drive

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100505648B1 (ko) * 2002-11-14 2005-08-03 삼성전자주식회사 자기 회로 및 이를 채용한 광픽업 액츄에이터 및 광 기록및/또는 재생기기

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1335613A (zh) * 2000-07-14 2002-02-13 Tdk株式会社 光拾取器中所使用的物镜驱动装置
CN1396587A (zh) * 2001-06-19 2003-02-12 三星电子株式会社 光头致动器
EP1369854A2 (en) * 2002-06-06 2003-12-10 Ricoh Company, Ltd. Objective lens drive apparatus, optical pickup device, and optical disk drive

Also Published As

Publication number Publication date
KR20050123347A (ko) 2005-12-29
CN1725317A (zh) 2006-01-25
KR101043101B1 (ko) 2011-06-20

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071219

Termination date: 20170623