JP2013516688A - 光学式タッチスクリーン用のカメラモジュール - Google Patents
光学式タッチスクリーン用のカメラモジュール Download PDFInfo
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- JP2013516688A JP2013516688A JP2012547954A JP2012547954A JP2013516688A JP 2013516688 A JP2013516688 A JP 2013516688A JP 2012547954 A JP2012547954 A JP 2012547954A JP 2012547954 A JP2012547954 A JP 2012547954A JP 2013516688 A JP2013516688 A JP 2013516688A
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- Prior art keywords
- lens
- camera module
- touch screen
- image sensor
- optical
- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
- G06F3/0426—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected tracking fingers with respect to a virtual keyboard projected or printed on the surface
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Position Input By Displaying (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
Description
Claims (10)
- 光学式タッチスクリーンのタッチ面にタッチされるタッチ物体の位置を感知するカメラモジュールにおいて、
前記タッチ面に対して垂直方向の画角が、前記タッチ面に対して水平方向の画角よりも小さくなるように形成された1枚以上のレンズと、
前記レンズを通じて収束された光を、前記タッチ面に対して垂直方向に反射させる光路変換部と、
前記レンズの後方で、前記光路変換部を経て反射された光を受けるように、前記タッチ面に対して水平方向に配されたイメージセンサーと、
を含む光学式タッチスクリーン用のカメラモジュール。 - 前記レンズは、
円形レンズで周辺部の両側が、前記タッチ面に対して水平方向にそれぞれ切断された形態でなされ、前記タッチ面に対して垂直方向の高さが、前記タッチ面に対して水平方向の口径よりも小さなことを特徴とする請求項1に記載の光学式タッチスクリーン用のカメラモジュール。 - 前記光路変換部は、
前記レンズを通じて収束された光を、前記イメージセンサーに対して焦点が合う光に作るレンズ部と、
前記レンズ部を通じて焦点が合わせられた光を前記イメージセンサーに反射させる全反射面を有するプリズム部と、が一体に形成されたことを特徴とする請求項1に記載の光学式タッチスクリーン用のカメラモジュール。 - 前記イメージセンサーは、
前記プリズム部で、前記プリズム部を経て反射された光が放出される面に付着されたことを特徴とする請求項3に記載の光学式タッチスクリーン用のカメラモジュール。 - 前記光路変換部は、
前記レンズを通じて収束された光を前記イメージセンサーに反射させる全反射面を有するプリズムを含むことを特徴とする請求項1に記載の光学式タッチスクリーン用のカメラモジュール。 - 前記イメージセンサーは、
前記プリズムで、前記プリズムを経て反射された光が放出される面に付着されたことを特徴とする請求項5に記載の光学式タッチスクリーン用のカメラモジュール。 - 前記光路変換部は、
前記レンズを通じて収束された光を前記イメージセンサーに反射させる反射ミラーを含むことを特徴とする請求項1に記載の光学式タッチスクリーン用のカメラモジュール。 - 前記光路変換部は、
前記レンズの光軸方向に移動可能になって、前記イメージセンサーに対する焦点が調節されることを特徴とする請求項1に記載の光学式タッチスクリーン用のカメラモジュール。 - 一側に受光ホールが形成されたハウジングと、
前記レンズを支持し、前記ハウジングの内部に、前記受光ホールに対応して装着されるレンズホルダーと、
前記光路変換部を支持し、前記ハウジングの内部で、前記レンズの光軸方向に移動可能に案内される移動ブロックと、
前記移動ブロックを移動させることによって、前記イメージセンサーに対する焦点を調節する調節器具と、
を含むことを特徴とする請求項8に記載の光学式タッチスクリーン用のカメラモジュール。 - 前記調節器具は、
一端部が前記移動ブロックと当接するように、前記ハウジングに螺合され、回転方向に沿って前記移動ブロックを前進または後進させる調節ノブと、
前記移動ブロックを前記調節ノブに当接した状態で位置固定させるように、前記移動ブロックに弾性力を加えるスプリング部材と、を含むことを特徴とする請求項9に記載の光学式タッチスクリーン用のカメラモジュール。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20-2010-0000141 | 2010-01-08 | ||
KR20100000141 | 2010-01-08 | ||
KR1020110000510A KR101070865B1 (ko) | 2010-01-08 | 2011-01-04 | 광학식 터치스크린용 카메라 모듈 |
KR10-2011-0000510 | 2011-01-04 | ||
PCT/KR2011/000039 WO2011083956A2 (ko) | 2010-01-08 | 2011-01-05 | 광학식 터치스크린용 카메라 모듈 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013516688A true JP2013516688A (ja) | 2013-05-13 |
JP5603952B2 JP5603952B2 (ja) | 2014-10-08 |
Family
ID=44920196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012547954A Expired - Fee Related JP5603952B2 (ja) | 2010-01-08 | 2011-01-05 | 光学式タッチスクリーン用のカメラモジュール |
Country Status (6)
Country | Link |
---|---|
US (1) | US9154680B2 (ja) |
JP (1) | JP5603952B2 (ja) |
KR (2) | KR101070865B1 (ja) |
CN (1) | CN102754424A (ja) |
DE (1) | DE112011100212B4 (ja) |
WO (1) | WO2011083956A2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101238025B1 (ko) * | 2012-08-24 | 2013-03-04 | 김성한 | 광학식 터치스크린용 카메라 모듈 |
US9921687B2 (en) * | 2012-10-02 | 2018-03-20 | Autodesk, Inc. | Always-available input through finger instrumentation |
US9619137B2 (en) * | 2015-03-26 | 2017-04-11 | Motorola Mobility Llc | Portable device touchscreen optimization |
KR102375095B1 (ko) * | 2015-11-09 | 2022-03-16 | 삼성전자주식회사 | 반사형 이미징 장치 및 이를 구비한 모바일 기기 |
KR101766978B1 (ko) * | 2015-12-01 | 2017-08-09 | 엘지전자 주식회사 | 디스플레이 장치와 이를 포함하는 차량 |
KR101860668B1 (ko) * | 2017-04-13 | 2018-05-23 | 엘지전자 주식회사 | 디스플레이 장치와 이를 포함하는 차량 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH113170A (ja) * | 1997-06-13 | 1999-01-06 | Wacom Co Ltd | 光デジタイザ |
JP2000155650A (ja) * | 1998-11-20 | 2000-06-06 | Fujitsu Ltd | 光走査型タッチパネル |
JP2009181512A (ja) * | 2008-01-31 | 2009-08-13 | Fuji Xerox Co Ltd | 電子ペン |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4047187A (en) * | 1974-04-01 | 1977-09-06 | Canon Kabushiki Kaisha | System for exposure measurement and/or focus detection by means of image senser |
JPH0666023B2 (ja) * | 1987-09-14 | 1994-08-24 | 旭光学工業株式会社 | ズームレンズおよび照射角可変ストロボ装置を備えたカメラ |
JP4043128B2 (ja) * | 1999-02-24 | 2008-02-06 | 富士通株式会社 | 光走査型タッチパネル |
US6614478B1 (en) * | 1999-04-30 | 2003-09-02 | Foveon, Inc. | Color separation prisms having solid-state imagers mounted thereon and camera employing same |
WO2005088435A1 (en) * | 2004-03-11 | 2005-09-22 | Mobisol Inc. | Pointing device with an integrated optical structure |
JP4512408B2 (ja) | 2004-04-26 | 2010-07-28 | オリンパス株式会社 | 振動波リニアモータ及びそれを用いたレンズ装置 |
KR101278239B1 (ko) * | 2006-10-17 | 2013-06-24 | 삼성전자주식회사 | 듀얼 렌즈 광학계 및 이를 구비하는 듀얼 렌즈 카메라 |
KR20080044017A (ko) * | 2006-11-15 | 2008-05-20 | 삼성전자주식회사 | 터치 스크린 |
JP4715791B2 (ja) | 2007-03-28 | 2011-07-06 | 株式会社デンソー | 情報機器操作装置及び車載電子装置 |
US20100026645A1 (en) * | 2008-07-29 | 2010-02-04 | Sang-Hoon Yim | Touch display panel |
KR100919437B1 (ko) | 2009-05-26 | 2009-09-29 | 호감테크놀로지(주) | 반사형 카메라 방식 터치 패널의 조명장치 셋(set) |
-
2011
- 2011-01-04 KR KR1020110000510A patent/KR101070865B1/ko active IP Right Grant
- 2011-01-05 JP JP2012547954A patent/JP5603952B2/ja not_active Expired - Fee Related
- 2011-01-05 DE DE112011100212.2T patent/DE112011100212B4/de not_active Expired - Fee Related
- 2011-01-05 US US13/520,840 patent/US9154680B2/en not_active Expired - Fee Related
- 2011-01-05 WO PCT/KR2011/000039 patent/WO2011083956A2/ko active Application Filing
- 2011-01-05 CN CN2011800087404A patent/CN102754424A/zh active Pending
- 2011-09-01 KR KR1020110088606A patent/KR20110102861A/ko not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH113170A (ja) * | 1997-06-13 | 1999-01-06 | Wacom Co Ltd | 光デジタイザ |
JP2000155650A (ja) * | 1998-11-20 | 2000-06-06 | Fujitsu Ltd | 光走査型タッチパネル |
JP2009181512A (ja) * | 2008-01-31 | 2009-08-13 | Fuji Xerox Co Ltd | 電子ペン |
Also Published As
Publication number | Publication date |
---|---|
KR101070865B1 (ko) | 2011-10-10 |
JP5603952B2 (ja) | 2014-10-08 |
US9154680B2 (en) | 2015-10-06 |
KR20110081775A (ko) | 2011-07-14 |
DE112011100212B4 (de) | 2018-02-15 |
KR20110102861A (ko) | 2011-09-19 |
CN102754424A (zh) | 2012-10-24 |
DE112011100212T5 (de) | 2012-11-08 |
US20130002611A1 (en) | 2013-01-03 |
WO2011083956A3 (ko) | 2011-11-17 |
WO2011083956A2 (ko) | 2011-07-14 |
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