JP2013509208A - 液体レンズを備えた口腔内カメラ - Google Patents
液体レンズを備えた口腔内カメラ Download PDFInfo
- Publication number
- JP2013509208A JP2013509208A JP2012535571A JP2012535571A JP2013509208A JP 2013509208 A JP2013509208 A JP 2013509208A JP 2012535571 A JP2012535571 A JP 2012535571A JP 2012535571 A JP2012535571 A JP 2012535571A JP 2013509208 A JP2013509208 A JP 2013509208A
- Authority
- JP
- Japan
- Prior art keywords
- digital image
- liquid lens
- image sensor
- subject
- intraoral camera
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00057—Operational features of endoscopes provided with means for testing or calibration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00188—Optical arrangements with focusing or zooming features
- A61B1/0019—Optical arrangements with focusing or zooming features characterised by variable lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
- G02B23/243—Objectives for endoscopes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
- G02B26/005—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid based on electrowetting
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/12—Fluid-filled or evacuated lenses
- G02B3/14—Fluid-filled or evacuated lenses of variable focal length
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
Abstract
Description
y=ax2+ba+c(a<0)
Claims (5)
- 被写体のデジタル画像をキャプチャするデジタル画像センサと、
前記被写体に光を当てる光源と、
光路に沿って前記被写体からの前記光を、前記デジタル画像センサに導く結像レンズアセンブリと、
前記結像レンズアセンブリと前記デジタル画像センサとの間の前記光路に配置されており、調節可能な焦点距離を有する液体レンズと、
可変電圧を前記液体レンズに印加して、前記液体レンズの前記焦点距離を制御するドライバと、
前記デジタル画像センサによりキャプチャされた前記デジタル画像を処理するプロセッサと、を備える、口腔内カメラ。 - 被写体のデジタル画像をキャプチャするデジタル画像センサと、
前記被写体に光を当てる光源と、
光路に沿って前記被写体からの前記光を、中間面に導き、中間像を形成する第1の結像レンズアセンブリと、
前記第1の結像レンズアセンブリと前記デジタル画像センサとの間の前記光路に配置されており、前記中間像を前記デジタル画像センサに中継する、調節可能な焦点距離を有する液体レンズを含む第2の結像レンズアセンブリと、
可変電圧を前記液体レンズに印加して、前記液体レンズの前記焦点距離を制御するドライバと、
前記デジタル画像センサによりキャプチャされた前記デジタル画像を処理するプロセッサと、を備える、口腔内カメラ。 - 口腔内カメラの連続自動焦点のための方法であって、
前記口腔内カメラを起動することと、
前記口腔内カメラを用いて、被写体の連続自動焦点を得るためのパラメータを初期化することと、
結像レンズアセンブリとデジタル画像センサとの間の光路に配置されており、調節可能な焦点距離を有する液体レンズに所定の電圧を印加することと、
焦点位置が検出されるまで、前記液体レンズに印加する電圧を繰り返し変化させることと、
前記焦点位置を取得することと、を含む、方法。 - 前記焦点位置の取得後、場面変化を観測することをさらに含む、請求項3に記載の方法。
- 場面変化が検出された場合に、場面変化処理を起動することをさらに含む、請求項4に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2009/001208 WO2011050496A1 (en) | 2009-10-30 | 2009-10-30 | Intraoral camera with liquid lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2013509208A true JP2013509208A (ja) | 2013-03-14 |
Family
ID=43921231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012535571A Pending JP2013509208A (ja) | 2009-10-30 | 2009-10-30 | 液体レンズを備えた口腔内カメラ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120200686A1 (ja) |
EP (1) | EP2493366A4 (ja) |
JP (1) | JP2013509208A (ja) |
CN (1) | CN102596002B (ja) |
WO (1) | WO2011050496A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015061193A (ja) * | 2013-09-18 | 2015-03-30 | ソニー株式会社 | 撮像素子、製造装置、製造方法、並びに電子機器 |
CN105093482A (zh) * | 2014-02-27 | 2015-11-25 | 玉晶光电(厦门)有限公司 | 微型光学成像镜片模块及其制法 |
KR20160136549A (ko) * | 2015-05-20 | 2016-11-30 | 주식회사바텍 | 마이크로렌즈 어레이를 이용한 구강 스캔 장치 |
KR20180104248A (ko) * | 2017-03-10 | 2018-09-20 | (주)제노레이 | 스캐너 |
JP2021064941A (ja) * | 2018-11-30 | 2021-04-22 | ファスプロ システムズ カンパニー リミテッドFaspro Systems Co., Ltd | 撮影装置 |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8944596B2 (en) | 2011-11-09 | 2015-02-03 | Welch Allyn, Inc. | Digital-based medical devices |
CN102692700A (zh) * | 2012-04-28 | 2012-09-26 | 上海理工大学 | 液体透镜自动变焦显微镜 |
US20130323671A1 (en) * | 2012-05-30 | 2013-12-05 | Ormco Corporation | Spectral filter for an intra-oral imaging system |
US8576390B1 (en) * | 2012-07-31 | 2013-11-05 | Cognex Corporation | System and method for determining and controlling focal distance in a vision system camera |
DE102013110899B4 (de) * | 2012-10-04 | 2019-07-04 | Cognex Corporation | Symbologie-Lesegerät mit Multicore-Prozessor und Systeme und Verfahren zum Betrieb desselben |
US9667872B2 (en) | 2012-12-05 | 2017-05-30 | Hewlett-Packard Development Company, L.P. | Camera to capture multiple images at multiple focus positions |
US9715612B2 (en) * | 2012-12-26 | 2017-07-25 | Cognex Corporation | Constant magnification lens for vision system camera |
US10078226B2 (en) | 2013-10-14 | 2018-09-18 | Welch Allyn, Inc. | Portable eye viewing device enabled for enhanced field of view |
CN103487927B (zh) * | 2013-10-16 | 2016-08-10 | 北京航空航天大学 | 一种显微镜自动调焦方法 |
US9575221B2 (en) | 2013-12-31 | 2017-02-21 | Cognex Corporation | Systems and methods reduce temperature induced drift effects on a liquid lens |
US10690816B2 (en) | 2013-12-31 | 2020-06-23 | Cognex Corporation | Systems and methods reduce temperature induced drift effects on a liquid lens |
FR3017217B1 (fr) * | 2014-01-31 | 2017-11-24 | Foretec Societe Forezienne De Tech | Dispositif de tele-visualisation et sonde video afferente |
CN105067619A (zh) * | 2015-07-30 | 2015-11-18 | 苏州南光电子科技有限公司 | 一种用于食品安全检测的数字显微镜 |
CN105319665B (zh) * | 2015-11-19 | 2018-06-15 | 江西联创电子有限公司 | 自动对焦镜头组合 |
CN105809688A (zh) * | 2016-03-09 | 2016-07-27 | 东莞市奥普特自动化科技有限公司 | 一种基于液态镜头和图像传感器的三维传感器及使用方法 |
DE102017119517B4 (de) * | 2016-08-30 | 2023-10-05 | Cognex Corporation | Systeme und Verfahren zur Reduzierung temperaturbedingter Drifteffekte bei einer Flüssiglinse |
CN106510610B (zh) * | 2016-11-29 | 2018-07-27 | 苏州佳世达电通有限公司 | 口腔扫描机 |
CN109975898A (zh) * | 2017-12-27 | 2019-07-05 | 华为技术有限公司 | 一种镜头模组和镜头模组的控制方法 |
US11147441B2 (en) | 2018-01-16 | 2021-10-19 | Welch Allyn, Inc. | Physical assessment device |
US10835352B2 (en) | 2018-03-19 | 2020-11-17 | 3D Imaging and Simulation Corp. Americas | Intraoral scanner and computing system for capturing images and generating three-dimensional models |
KR102582761B1 (ko) * | 2018-06-14 | 2023-09-26 | 엘지이노텍 주식회사 | 센싱 방법 및 장치 |
US10809534B2 (en) | 2018-11-30 | 2020-10-20 | Faspro Systems Co., Ltd. | Photography device |
CN109363617A (zh) * | 2018-12-21 | 2019-02-22 | 上海翼速医疗科技有限公司 | 一种基于液体镜头的可变焦口腔数字观察仪 |
WO2020190602A1 (en) * | 2019-03-18 | 2020-09-24 | Corning Incorporated | Enhanced imaging device using liquid lens, embedded digital signal processor, and software |
US11611692B2 (en) * | 2020-11-09 | 2023-03-21 | Rockwell Collins, Inc. | Fixed pattern noise reduction and high spatial frequency filtering using vari-focus lenses in low contrast scenes |
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2009
- 2009-10-30 WO PCT/CN2009/001208 patent/WO2011050496A1/en active Application Filing
- 2009-10-30 EP EP09850703.1A patent/EP2493366A4/en not_active Withdrawn
- 2009-10-30 JP JP2012535571A patent/JP2013509208A/ja active Pending
- 2009-10-30 CN CN200980162287.5A patent/CN102596002B/zh active Active
- 2009-10-30 US US13/499,935 patent/US20120200686A1/en not_active Abandoned
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JP2015061193A (ja) * | 2013-09-18 | 2015-03-30 | ソニー株式会社 | 撮像素子、製造装置、製造方法、並びに電子機器 |
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JP2021064941A (ja) * | 2018-11-30 | 2021-04-22 | ファスプロ システムズ カンパニー リミテッドFaspro Systems Co., Ltd | 撮影装置 |
Also Published As
Publication number | Publication date |
---|---|
CN102596002B (zh) | 2014-12-17 |
CN102596002A (zh) | 2012-07-18 |
EP2493366A1 (en) | 2012-09-05 |
EP2493366A4 (en) | 2013-07-03 |
US20120200686A1 (en) | 2012-08-09 |
WO2011050496A1 (en) | 2011-05-05 |
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