KR20060071251A - 광 픽업 액츄에이터의 렌즈홀더 방열 구조 - Google Patents

광 픽업 액츄에이터의 렌즈홀더 방열 구조 Download PDF

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Publication number
KR20060071251A
KR20060071251A KR1020040109778A KR20040109778A KR20060071251A KR 20060071251 A KR20060071251 A KR 20060071251A KR 1020040109778 A KR1020040109778 A KR 1020040109778A KR 20040109778 A KR20040109778 A KR 20040109778A KR 20060071251 A KR20060071251 A KR 20060071251A
Authority
KR
South Korea
Prior art keywords
lens holder
coil
heat dissipation
lens
objective lens
Prior art date
Application number
KR1020040109778A
Other languages
English (en)
Korean (ko)
Inventor
홍삼열
최인호
김영중
김진아
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020040109778A priority Critical patent/KR20060071251A/ko
Priority to US11/311,342 priority patent/US7535663B2/en
Priority to CNB2005101323773A priority patent/CN100514460C/zh
Publication of KR20060071251A publication Critical patent/KR20060071251A/ko
Priority to US12/468,032 priority patent/US7751133B2/en
Priority to US12/750,828 priority patent/US7986474B2/en
Priority to US13/161,800 priority patent/US8570674B2/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1406—Reducing the influence of the temperature
    • G11B33/1426—Reducing the influence of the temperature by cooling plates, e.g. fins
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1406—Reducing the influence of the temperature
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Lens Barrels (AREA)
KR1020040109778A 2004-12-21 2004-12-21 광 픽업 액츄에이터의 렌즈홀더 방열 구조 KR20060071251A (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020040109778A KR20060071251A (ko) 2004-12-21 2004-12-21 광 픽업 액츄에이터의 렌즈홀더 방열 구조
US11/311,342 US7535663B2 (en) 2004-12-21 2005-12-20 Optical pickup actuator
CNB2005101323773A CN100514460C (zh) 2004-12-21 2005-12-21 光学拾波器致动器
US12/468,032 US7751133B2 (en) 2004-12-21 2009-05-18 Optical pickup actuator
US12/750,828 US7986474B2 (en) 2004-12-21 2010-03-31 Optical pickup actuator
US13/161,800 US8570674B2 (en) 2004-12-21 2011-06-16 Optical pickup actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040109778A KR20060071251A (ko) 2004-12-21 2004-12-21 광 픽업 액츄에이터의 렌즈홀더 방열 구조

Publications (1)

Publication Number Publication Date
KR20060071251A true KR20060071251A (ko) 2006-06-26

Family

ID=36994206

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020040109778A KR20060071251A (ko) 2004-12-21 2004-12-21 광 픽업 액츄에이터의 렌즈홀더 방열 구조

Country Status (2)

Country Link
KR (1) KR20060071251A (zh)
CN (1) CN100514460C (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011003252A (ja) * 2009-06-22 2011-01-06 Hitachi Media Electoronics Co Ltd 光ピックアップ装置
JP6103291B2 (ja) * 2011-09-30 2017-03-29 パナソニックＩｐマネジメント株式会社 光ピックアップ装置、光情報装置及び情報処理装置
KR102542645B1 (ko) * 2015-08-18 2023-06-14 엘지이노텍 주식회사 렌즈구동장치, 카메라 모듈 및 광학기기
CN109932799A (zh) * 2017-12-15 2019-06-25 南昌欧菲光电技术有限公司 镜筒及包含该镜筒的镜头模组

Also Published As

Publication number Publication date
CN100514460C (zh) 2009-07-15
CN1831969A (zh) 2006-09-13

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application