JP4455391B2 - 座標入力装置及びその制御方法、プログラム - Google Patents

座標入力装置及びその制御方法、プログラム Download PDF

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Publication number
JP4455391B2
JP4455391B2 JP2005118980A JP2005118980A JP4455391B2 JP 4455391 B2 JP4455391 B2 JP 4455391B2 JP 2005118980 A JP2005118980 A JP 2005118980A JP 2005118980 A JP2005118980 A JP 2005118980A JP 4455391 B2 JP4455391 B2 JP 4455391B2
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Japan
Prior art keywords
sensor means
shadow
angle
detected
optical
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Expired - Fee Related
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JP2005118980A
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Japanese (ja)
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JP2006301744A5 (enExample
JP2006301744A (ja
Inventor
究 小林
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2005118980A priority Critical patent/JP4455391B2/ja
Priority to US11/398,936 priority patent/US7515141B2/en
Publication of JP2006301744A publication Critical patent/JP2006301744A/ja
Publication of JP2006301744A5 publication Critical patent/JP2006301744A5/ja
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Publication of JP4455391B2 publication Critical patent/JP4455391B2/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • G06F3/0423—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen using sweeping light beams, e.g. using rotating or vibrating mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP2005118980A 2005-04-15 2005-04-15 座標入力装置及びその制御方法、プログラム Expired - Fee Related JP4455391B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005118980A JP4455391B2 (ja) 2005-04-15 2005-04-15 座標入力装置及びその制御方法、プログラム
US11/398,936 US7515141B2 (en) 2005-04-15 2006-04-05 Coordinate input apparatus, control method therefor, and program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005118980A JP4455391B2 (ja) 2005-04-15 2005-04-15 座標入力装置及びその制御方法、プログラム

Publications (3)

Publication Number Publication Date
JP2006301744A JP2006301744A (ja) 2006-11-02
JP2006301744A5 JP2006301744A5 (enExample) 2008-05-29
JP4455391B2 true JP4455391B2 (ja) 2010-04-21

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JP2005118980A Expired - Fee Related JP4455391B2 (ja) 2005-04-15 2005-04-15 座標入力装置及びその制御方法、プログラム

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Country Link
US (1) US7515141B2 (enExample)
JP (1) JP4455391B2 (enExample)

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WO2009029767A1 (en) 2007-08-30 2009-03-05 Next Holdings, Inc. Optical touchscreen with improved illumination
CA2697856A1 (en) 2007-08-30 2009-03-05 Next Holdings, Inc. Low profile touch panel systems
US8405636B2 (en) * 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly
US20120075254A1 (en) * 2008-01-07 2012-03-29 Simon James Bridger Touch System Having An Uninterrupted Light Source
US20120306816A1 (en) * 2011-06-06 2012-12-06 Simon James Bridger Simplified Optical Position Sensing Assembly
KR20100121512A (ko) * 2008-02-11 2010-11-17 넥스트 홀딩즈 리미티드 광학 터치스크린용 멀티 터치 시나리오를 해결하는 시스템 및 방법
US20110205189A1 (en) * 2008-10-02 2011-08-25 John David Newton Stereo Optical Sensors for Resolving Multi-Touch in a Touch Detection System
US7751671B1 (en) * 2009-03-25 2010-07-06 Next Holdings Limited Optical touchscreens comprising removably connected optical members
US8913034B2 (en) * 2009-05-25 2014-12-16 Pixart Imaging Inc. Connector of connecting light sensor and substrate and method of fabricating light sensor
US20100302207A1 (en) * 2009-05-27 2010-12-02 Lan-Rong Dung Optical Touch Control Method and Apparatus Thereof
US20120097854A1 (en) * 2009-06-01 2012-04-26 Lok-Man Ng Infrared retroreflecting device used for a high-aspect-ratio optical touch panel, the method of manufacturing the same and a high-aspect-ratio touch panel using such device
TWI391852B (zh) * 2009-06-18 2013-04-01 Quanta Comp Inc 多觸控點辨識系統及方法
TWI501121B (zh) * 2009-07-21 2015-09-21 Pixart Imaging Inc 手勢辨識方法及使用該方法之觸控系統
US7932899B2 (en) * 2009-09-01 2011-04-26 Next Holdings Limited Determining the location of touch points in a position detection system
TWI494823B (zh) * 2009-11-16 2015-08-01 Pixart Imaging Inc 光學觸控裝置之定位方法及光學觸控裝置
US9274650B2 (en) * 2009-11-16 2016-03-01 Pixart Imaging Inc. Optical touch device and related image detecting component and locating method
US20110170253A1 (en) * 2010-01-13 2011-07-14 Smart Technologies Ulc Housing assembly for imaging assembly and fabrication method therefor
US20110176082A1 (en) * 2010-01-18 2011-07-21 Matthew Allard Mounting Members For Touch Sensitive Displays
CN102129326B (zh) * 2010-01-19 2015-03-25 原相科技股份有限公司 光学触控装置的定位方法及光学触控装置
US8937612B2 (en) * 2010-02-04 2015-01-20 Hong Kong Applied Science And Technology Research Institute Co. Ltd. Coordinate locating method, coordinate locating device, and display apparatus comprising the coordinate locating device
CN102200860B (zh) * 2010-03-23 2014-02-05 北京汇冠新技术股份有限公司 触摸定位方法和装置、触摸系统
KR101706778B1 (ko) * 2010-07-19 2017-02-27 엘지이노텍 주식회사 광학 터치 스크린
KR20120012572A (ko) * 2010-08-02 2012-02-10 엘지이노텍 주식회사 광학 터치 스크린
TWI428804B (zh) * 2010-10-20 2014-03-01 Pixart Imaging Inc 光學觸控系統及其感測方法
CN102681728B (zh) * 2011-03-07 2015-03-04 联想(北京)有限公司 触摸设备及输入方法
CN106249967B (zh) * 2011-06-07 2019-04-30 上海科斗电子科技有限公司 无线触摸系统
CN107132953B (zh) * 2011-06-07 2021-03-26 上海科斗电子科技有限公司 触摸板前方设置光信号接收头的触摸屏
TWI454995B (zh) * 2011-08-11 2014-10-01 Wistron Corp 光學式觸控裝置及其偵測觸控點座標之方法
KR101968552B1 (ko) * 2011-11-18 2019-04-15 삼성디스플레이 주식회사 터치 표시 장치 및 이를 이용한 터치 위치 검출 방법
US9213448B2 (en) * 2012-11-29 2015-12-15 Pixart Imaging Inc. Positioning module, optical touch system and method of calculating a coordinate of a touch medium
CN104182086B (zh) * 2013-05-22 2017-04-26 原相科技股份有限公司 光学触控装置及其相关的图像侦测组件和定位方法
US9367177B2 (en) * 2013-06-27 2016-06-14 Hong Kong Applied Science and Technology Research Institute Company Limited Method and system for determining true touch points on input touch panel using sensing modules
JP5970099B1 (ja) * 2015-03-19 2016-08-17 株式会社Pfu 画像読取装置
KR101822400B1 (ko) 2015-08-31 2018-01-26 주식회사 에이에프오 광학방식의 터치스크린장치 및 이를 이용한 좌표 검출 방법
TWI612445B (zh) * 2015-09-21 2018-01-21 緯創資通股份有限公司 光學觸控裝置及觸控位置的決定方法
CN107544713A (zh) * 2017-08-31 2018-01-05 美的智慧家居科技有限公司 电容屏控制方法、装置及终端设备
KR102019888B1 (ko) * 2019-04-05 2019-11-05 삼성디스플레이 주식회사 터치 표시 장치 및 이를 이용한 터치 위치 검출 방법

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JP2000105671A (ja) 1998-05-11 2000-04-11 Ricoh Co Ltd 座標入力／検出装置および電子黒板システム
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JP2003303046A (ja) 2002-04-11 2003-10-24 Ricoh Elemex Corp 光学式座標検出装置
JP4522113B2 (ja) * 2004-03-11 2010-08-11 キヤノン株式会社 座標入力装置
JP4455392B2 (ja) * 2005-04-15 2010-04-21 キヤノン株式会社 座標入力装置及びその制御方法、プログラム
US7538894B2 (en) * 2005-04-15 2009-05-26 Canon Kabushiki Kaisha Coordinate input apparatus, control method thereof, and program

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US7515141B2 (en) 2009-04-07
US20060232830A1 (en) 2006-10-19
JP2006301744A (ja) 2006-11-02

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