KR100684041B1 - 선형 렌즈 구동장치 - Google Patents
선형 렌즈 구동장치 Download PDFInfo
- Publication number
- KR100684041B1 KR100684041B1 KR1020040087826A KR20040087826A KR100684041B1 KR 100684041 B1 KR100684041 B1 KR 100684041B1 KR 1020040087826 A KR1020040087826 A KR 1020040087826A KR 20040087826 A KR20040087826 A KR 20040087826A KR 100684041 B1 KR100684041 B1 KR 100684041B1
- Authority
- KR
- South Korea
- Prior art keywords
- lens
- driving
- control
- voltage
- control signal
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 230000005669 field effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- 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
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
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- 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
- H02N2/005—Mechanical details, e.g. housings
- H02N2/0055—Supports for driving or driven bodies; Means for pressing driving body against driven body
- H02N2/006—Elastic elements, e.g. springs
-
- 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
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- 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
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0053—Driving means for the movement of one or more optical element
- G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice coils
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
Abstract
Description
사용자가 조작가능한 위치에 배율을 조절하기 위해 배치된 키 입력부와;
반전된 극성 | 정상 극성 | |||
컨트롤 신호 | 상태 | 컨트롤 신호 | 상태 | |
CNTRL-0 | High | Short | Low | Open |
CNTRL-1 | Low | Open | High | Short |
CNTRL-2 | High | Short | Low | Open |
CNTRL-3 | Low | Open | High | Short |
Claims (2)
- 렌즈와;상기 렌즈를 내측에 수용하는 경통과;상기 렌즈와 경통을 연결하며, 상기 렌즈의 구동범위 내 중간영역에 상기 렌즈가 위치하는 곳을 초기위치로 하여 광축 방향으로 상기 렌즈가 이동하도록 지지하는 평형스프링과;상기 렌즈를 구동하기 위한 자장을 형성하기 위해, 상기 렌즈와 결합되어 설치되는 영구자석 및 상기 경통 외부에 설치된 구동 코일, 또는 상기 경통의 외부에 설치된 영구자석 및 상기 렌즈와 결합되어 설치된 구동코일과;사용자가 조작가능한 위치에 배율을 조절하기 위해 배치된 키 입력부와;상기 키 입력부로부터 인가되는 신호에 따라 컨트롤 신호를 발생시키는 제어IC와;상기 제어IC와 연결되어 구동전압을 발생시키는 D/A 컨버터와;상기 D/A 컨버터에서 구동코일에 공급되는 전압의 극성을 제어IC의 컨트롤 신호에 따라 변경시키도록 배열된 4개의 FET를 포함하여 이루어진 것을 특징으로 하는 선형 렌즈 구동장치.
- 제 1항에 있어서, 상기 제어 IC와 D/A컨버터가 하나의 IC로 형성된 것을 특징으로 하는 선형 렌즈 구동장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040087826A KR100684041B1 (ko) | 2004-11-01 | 2004-11-01 | 선형 렌즈 구동장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040087826A KR100684041B1 (ko) | 2004-11-01 | 2004-11-01 | 선형 렌즈 구동장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060038703A KR20060038703A (ko) | 2006-05-04 |
KR100684041B1 true KR100684041B1 (ko) | 2007-02-16 |
Family
ID=37146170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040087826A KR100684041B1 (ko) | 2004-11-01 | 2004-11-01 | 선형 렌즈 구동장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100684041B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2683178A3 (en) | 2012-07-06 | 2017-12-27 | Samsung Electro-Mechanics Co., Ltd | Apparatus and method for driving voice coil motor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05135377A (ja) * | 1991-11-11 | 1993-06-01 | Nippon Conlux Co Ltd | 光ヘツドの近接トラツクへのジヤンプ制御装置 |
JPH10225438A (ja) | 1997-02-14 | 1998-08-25 | Fuji Photo Film Co Ltd | 撮像装置および蛍光内視鏡並びに蛍光電子内視鏡 |
KR20050011201A (ko) * | 2003-07-22 | 2005-01-29 | 주식회사 엠투시스 | 통신기기용 소형 카메라장치 |
KR20050123363A (ko) * | 2004-06-25 | 2005-12-29 | 주식회사 코렌 | 폰 카메라의 자동초점조절용 경통 구동장치 |
-
2004
- 2004-11-01 KR KR1020040087826A patent/KR100684041B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05135377A (ja) * | 1991-11-11 | 1993-06-01 | Nippon Conlux Co Ltd | 光ヘツドの近接トラツクへのジヤンプ制御装置 |
JPH10225438A (ja) | 1997-02-14 | 1998-08-25 | Fuji Photo Film Co Ltd | 撮像装置および蛍光内視鏡並びに蛍光電子内視鏡 |
KR20050011201A (ko) * | 2003-07-22 | 2005-01-29 | 주식회사 엠투시스 | 통신기기용 소형 카메라장치 |
KR20050123363A (ko) * | 2004-06-25 | 2005-12-29 | 주식회사 코렌 | 폰 카메라의 자동초점조절용 경통 구동장치 |
Also Published As
Publication number | Publication date |
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KR20060038703A (ko) | 2006-05-04 |
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