KR100845334B1 - 소형 광학렌즈의 자동초점 조절장치 - Google Patents
소형 광학렌즈의 자동초점 조절장치 Download PDFInfo
- Publication number
- KR100845334B1 KR100845334B1 KR1020060126032A KR20060126032A KR100845334B1 KR 100845334 B1 KR100845334 B1 KR 100845334B1 KR 1020060126032 A KR1020060126032 A KR 1020060126032A KR 20060126032 A KR20060126032 A KR 20060126032A KR 100845334 B1 KR100845334 B1 KR 100845334B1
- Authority
- KR
- South Korea
- Prior art keywords
- permanent magnet
- magnetic
- coil
- magnetic force
- optical lens
- 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
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 239000000696 magnetic material Substances 0.000 claims abstract description 12
- 239000011800 void material Substances 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 230000004907 flux Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 230000004927 fusion Effects 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Images
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
-
- 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
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Lens Barrels (AREA)
Abstract
Description
Claims (2)
- 렌즈어셈블리가 내부에 결합된 렌즈홀더에 본드영구자석이 장착된 구동부;와 상기 구동부를 초기위치로 복원시키는데 필요한 상측스프링과 하측스프링으로 이루어진 스프링부;와 상기 본드 영구자석의 외측으로 공극공간이 없도록 코일이 이격 설치되어 발생하는 자력으로 본드 영구자석에 반발력을 가해 구동부를 이동시키도록 구성되어 있으며, 상기 자기회로부의 코일 외측에 설치되어 코일의 자기력을 부가하여 본드 영구자석과 새로운 추가 자기력을 발생하는 원형형상의 연자성체로 형성된 부가회로부;와 상기 단품들을 하나로 결합하기 위한 하우징으로 구성되는 소형 광학렌즈의 자동초점 조절장치.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2006/005415 WO2007069844A1 (en) | 2005-12-12 | 2006-12-12 | Apparatus for automatically controlling focal point of small optical lens |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20050121972 | 2005-12-12 | ||
KR1020050121972 | 2005-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070062440A KR20070062440A (ko) | 2007-06-15 |
KR100845334B1 true KR100845334B1 (ko) | 2008-07-10 |
Family
ID=38357906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060126032A Expired - Fee Related KR100845334B1 (ko) | 2005-12-12 | 2006-12-12 | 소형 광학렌즈의 자동초점 조절장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100845334B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010068048A3 (ko) * | 2008-12-10 | 2010-08-05 | 삼성전기주식회사 | 손떨림 보정장치를 구비한 카메라 모듈 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101877898B1 (ko) * | 2011-11-18 | 2018-08-09 | 엘지이노텍 주식회사 | 보이스 코일 모터 및 이의 구동 방법 |
KR102374765B1 (ko) * | 2013-12-18 | 2022-03-16 | 엘지이노텍 주식회사 | 렌즈 구동 액추에이터 |
KR102173462B1 (ko) * | 2017-10-27 | 2020-11-03 | 주식회사 삼양옵틱스 | 카메라 렌즈 어셈블리 |
KR102045048B1 (ko) * | 2018-07-06 | 2019-11-14 | 엘지이노텍 주식회사 | 보이스 코일 모터 및 이의 구동 방법 |
KR102015832B1 (ko) * | 2018-08-09 | 2019-08-29 | 엘지이노텍 주식회사 | 보이스 코일 모터 |
KR102274630B1 (ko) * | 2019-11-08 | 2021-07-07 | 엘지이노텍 주식회사 | 보이스 코일 모터 및 이의 구동 방법 |
KR102164288B1 (ko) * | 2019-11-08 | 2020-10-12 | 엘지이노텍 주식회사 | 보이스 코일 모터 및 이의 구동 방법 |
KR102513612B1 (ko) * | 2020-08-27 | 2023-03-24 | 엘지이노텍 주식회사 | 렌즈 구동 액추에이터 |
KR102422824B1 (ko) * | 2020-11-05 | 2022-07-19 | 엘지이노텍 주식회사 | 보이스 코일 모터 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004184779A (ja) * | 2002-12-04 | 2004-07-02 | Sankyo Seiki Mfg Co Ltd | レンズ駆動装置 |
-
2006
- 2006-12-12 KR KR1020060126032A patent/KR100845334B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004184779A (ja) * | 2002-12-04 | 2004-07-02 | Sankyo Seiki Mfg Co Ltd | レンズ駆動装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010068048A3 (ko) * | 2008-12-10 | 2010-08-05 | 삼성전기주식회사 | 손떨림 보정장치를 구비한 카메라 모듈 |
Also Published As
Publication number | Publication date |
---|---|
KR20070062440A (ko) | 2007-06-15 |
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