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WO2010058985A3 - 다층 압전소자와 압전소자를 이용한 구동체와 이를 이용한 소형카메라 구동장치 - Google Patents

다층 압전소자와 압전소자를 이용한 구동체와 이를 이용한 소형카메라 구동장치 Download PDF

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Publication number
WO2010058985A3
WO2010058985A3 PCT/KR2009/006838 KR2009006838W WO2010058985A3 WO 2010058985 A3 WO2010058985 A3 WO 2010058985A3 KR 2009006838 W KR2009006838 W KR 2009006838W WO 2010058985 A3 WO2010058985 A3 WO 2010058985A3
Authority
WO
WIPO (PCT)
Prior art keywords
piezoelectric element
driver
miniature camera
drive device
same
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.)
Ceased
Application number
PCT/KR2009/006838
Other languages
English (en)
French (fr)
Other versions
WO2010058985A2 (ko
Inventor
류재욱
정회원
서종식
김요섭
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.)
Hysonic Co Ltd
Original Assignee
Hysonic Co Ltd
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 KR1020080115264A external-priority patent/KR101005774B1/ko
Priority claimed from KR1020090043902A external-priority patent/KR101100140B1/ko
Priority claimed from KR1020090043905A external-priority patent/KR101046238B1/ko
Priority claimed from KR1020090060373A external-priority patent/KR101039684B1/ko
Priority claimed from KR1020090109457A external-priority patent/KR101104192B1/ko
Priority claimed from KR1020090109458A external-priority patent/KR101051074B1/ko
Application filed by Hysonic Co Ltd filed Critical Hysonic Co Ltd
Publication of WO2010058985A2 publication Critical patent/WO2010058985A2/ko
Publication of WO2010058985A3 publication Critical patent/WO2010058985A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
    • H02N2/001—Driving devices, e.g. vibrators
    • H02N2/0015—Driving devices, e.g. vibrators using only bending modes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
    • H02N2/026—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors by pressing one or more vibrators against the driven body
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • H10N30/2041—Beam type
    • H10N30/2042—Cantilevers, i.e. having one fixed end
    • H10N30/2046—Cantilevers, i.e. having one fixed end adapted for multi-directional bending displacement

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Telephone Set Structure (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

본 발명은 휴대폰과 같은 전자기기에 장착되는 소형의 카메라에서 렌즈홀더를 구동하기 위한 구동원으로서 압전소자를 사용한다. 본 발명은 렌즈홀더의 무게가 무거워도 잘 작동이 되고, VCM방식보다 견고하며, 렌즈홀더의 이동거리가 길어 고화소 센서를 장착한 카메라에 사용될 수 있다.
PCT/KR2009/006838 2008-11-19 2009-11-19 다층 압전소자와 압전소자를 이용한 구동체와 이를 이용한 소형카메라 구동장치 Ceased WO2010058985A2 (ko)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
KR1020080115264A KR101005774B1 (ko) 2008-11-19 2008-11-19 압전소자를 이용한 소형카메라 구동장치
KR10-2008-0115264 2008-11-19
KR10-2009-0043902 2009-05-20
KR1020090043902A KR101100140B1 (ko) 2009-05-20 2009-05-20 압전소자를 이용한 소형카메라 구동장치
KR10-2009-0043905 2009-05-20
KR1020090043905A KR101046238B1 (ko) 2009-05-20 2009-05-20 압전소자가 장착된 구동체
KR1020090060373A KR101039684B1 (ko) 2009-07-02 2009-07-02 다층 압전소자모듈 및 이를 이용한 소형카메라 구동장치
KR10-2009-0060373 2009-07-02
KR1020090109457A KR101104192B1 (ko) 2009-11-13 2009-11-13 압전소자가 장착된 구동체
KR1020090109458A KR101051074B1 (ko) 2009-11-13 2009-11-13 압전소자를 이용한 소형카메라 구동장치
KR10-2009-0109458 2009-11-13
KR10-2009-0109457 2009-11-13

Publications (2)

Publication Number Publication Date
WO2010058985A2 WO2010058985A2 (ko) 2010-05-27
WO2010058985A3 true WO2010058985A3 (ko) 2010-09-23

Family

ID=42198679

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/006838 Ceased WO2010058985A2 (ko) 2008-11-19 2009-11-19 다층 압전소자와 압전소자를 이용한 구동체와 이를 이용한 소형카메라 구동장치

Country Status (1)

Country Link
WO (1) WO2010058985A2 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101222783B1 (ko) * 2010-09-28 2013-01-15 삼성전기주식회사 디지털 카메라모듈
CN112055102B (zh) * 2019-06-06 2021-10-15 华为技术有限公司 一种摄像头模组、摄像机以及移动终端
CN114244183B (zh) * 2021-12-25 2023-08-15 西安交通大学 可双向驱动的x型结构共振式压电作动器及其作动方法
CN116455265A (zh) * 2023-05-10 2023-07-18 河南皓泽电子股份有限公司 对立式压电云台
CN117192721B (zh) * 2023-09-08 2025-08-01 河南皓泽电子股份有限公司 镜头驱动装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100318861B1 (ko) * 1998-09-10 2002-03-25 김춘호 평판형선형초음파모터
KR20070050492A (ko) * 2004-09-29 2007-05-15 교세라 가부시키가이샤 카메라 모듈 및 이 카메라 모듈을 이용한 휴대 단말기

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100318861B1 (ko) * 1998-09-10 2002-03-25 김춘호 평판형선형초음파모터
KR20070050492A (ko) * 2004-09-29 2007-05-15 교세라 가부시키가이샤 카메라 모듈 및 이 카메라 모듈을 이용한 휴대 단말기

Also Published As

Publication number Publication date
WO2010058985A2 (ko) 2010-05-27

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