CA2515955C - Traitement du signal d'un ecran tactile - Google Patents

Traitement du signal d'un ecran tactile Download PDF

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Publication number
CA2515955C
CA2515955C CA2515955A CA2515955A CA2515955C CA 2515955 C CA2515955 C CA 2515955C CA 2515955 A CA2515955 A CA 2515955A CA 2515955 A CA2515955 A CA 2515955A CA 2515955 C CA2515955 C CA 2515955C
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Canada
Prior art keywords
screen
light
image
light sources
outputs
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
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CA2515955A
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CA2515955A1 (fr
Inventor
John David Newton
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Next Holdings Ltd
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Next Holdings Ltd
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Publication of CA2515955C publication Critical patent/CA2515955C/fr
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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
    • 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

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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)
  • Position Input By Displaying (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA2515955A 2003-02-14 2004-02-16 Traitement du signal d'un ecran tactile Expired - Fee Related CA2515955C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ524211 2003-02-14
NZ52421103 2003-02-14
PCT/NZ2004/000029 WO2004072843A1 (fr) 2003-02-14 2004-02-16 Traitement du signal d'un ecran tactile

Publications (2)

Publication Number Publication Date
CA2515955A1 CA2515955A1 (fr) 2004-08-26
CA2515955C true CA2515955C (fr) 2011-01-11

Family

ID=32867173

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2515955A Expired - Fee Related CA2515955C (fr) 2003-02-14 2004-02-16 Traitement du signal d'un ecran tactile

Country Status (7)

Country Link
EP (1) EP1599789A4 (fr)
JP (1) JP4668897B2 (fr)
KR (1) KR101035253B1 (fr)
CN (1) CN100468303C (fr)
AU (1) AU2004211738B2 (fr)
CA (1) CA2515955C (fr)
WO (1) WO2004072843A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8115753B2 (en) 2007-04-11 2012-02-14 Next Holdings Limited Touch screen system with hover and click input methods
US8149221B2 (en) 2004-05-07 2012-04-03 Next Holdings Limited Touch panel display system with illumination and detection provided from a single edge
US8289299B2 (en) 2003-02-14 2012-10-16 Next Holdings Limited Touch screen signal processing
US8384693B2 (en) 2007-08-30 2013-02-26 Next Holdings Limited Low profile touch panel systems
US8405637B2 (en) 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly with convex imaging window
US8432377B2 (en) 2007-08-30 2013-04-30 Next Holdings Limited Optical touchscreen with improved illumination
US8456447B2 (en) 2003-02-14 2013-06-04 Next Holdings Limited Touch screen signal processing
US8508508B2 (en) 2003-02-14 2013-08-13 Next Holdings Limited Touch screen signal processing with single-point calibration

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6803906B1 (en) 2000-07-05 2004-10-12 Smart Technologies, Inc. Passive touch system and method of detecting user input
US6954197B2 (en) 2002-11-15 2005-10-11 Smart Technologies Inc. Size/scale and orientation determination of a pointer in a camera-based touch system
US7532206B2 (en) 2003-03-11 2009-05-12 Smart Technologies Ulc System and method for differentiating between pointers used to contact touch surface
US7411575B2 (en) 2003-09-16 2008-08-12 Smart Technologies Ulc Gesture recognition method and touch system incorporating the same
US7274356B2 (en) 2003-10-09 2007-09-25 Smart Technologies Inc. Apparatus for determining the location of a pointer within a region of interest
US7355593B2 (en) 2004-01-02 2008-04-08 Smart Technologies, Inc. Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region
US7460110B2 (en) 2004-04-29 2008-12-02 Smart Technologies Ulc Dual mode touch system
US8120596B2 (en) 2004-05-21 2012-02-21 Smart Technologies Ulc Tiled touch system
JP4072732B2 (ja) * 2004-10-29 2008-04-09 ソニー株式会社 入出力装置および方法、記録媒体、並びにプログラム
KR100756026B1 (ko) * 2006-07-19 2007-09-07 주식회사 엠씨넥스 카메라를 이용한 조작 장치와 전자 기기
KR100894544B1 (ko) * 2006-11-30 2009-04-24 한국전자통신연구원 스페이스 터치스크린 장치 및 그 작동방법
US9442607B2 (en) 2006-12-04 2016-09-13 Smart Technologies Inc. Interactive input system and method
JP5099016B2 (ja) * 2007-01-17 2012-12-12 株式会社セガ 定置型乗物遊戯機
US8094137B2 (en) 2007-07-23 2012-01-10 Smart Technologies Ulc System and method of detecting contact on a display
KR100900321B1 (ko) * 2007-08-20 2009-06-02 윤주영 적외선카메라를 이용한 멀티 터치스크린
US9171454B2 (en) 2007-11-14 2015-10-27 Microsoft Technology Licensing, Llc Magic wand
CN101216746B (zh) * 2007-12-26 2010-12-01 广东威创视讯科技股份有限公司 触摸屏装置及其定位方法
US8259208B2 (en) * 2008-04-15 2012-09-04 Sony Corporation Method and apparatus for performing touch-based adjustments within imaging devices
CN101576787B (zh) * 2008-05-07 2011-05-25 联想(北京)有限公司 一种电子设备、笔记本电脑及触摸控制实现方法
US8902193B2 (en) 2008-05-09 2014-12-02 Smart Technologies Ulc Interactive input system and bezel therefor
US8952894B2 (en) * 2008-05-12 2015-02-10 Microsoft Technology Licensing, Llc Computer vision-based multi-touch sensing using infrared lasers
US8847739B2 (en) 2008-08-04 2014-09-30 Microsoft Corporation Fusing RFID and vision for surface object tracking
BRPI0822675B1 (pt) * 2008-09-15 2019-09-17 Hewlett-Packard Development Company, L.P. Sistema de display e método
KR100879328B1 (ko) 2008-10-21 2009-01-19 (주)컴버스테크 카메라를 이용한 핑거 뎁스 조절 장치 및 방법과 카메라를 이용한 핑거 뎁스 조절 장치를 갖는 터치 스크린
US8339378B2 (en) 2008-11-05 2012-12-25 Smart Technologies Ulc Interactive input system with multi-angle reflector
KR100901971B1 (ko) * 2008-11-07 2009-06-10 김용철 적외선 터치 스캐닝 모듈
JP2010277122A (ja) * 2009-05-26 2010-12-09 Xiroku:Kk 光学式位置検出装置
EP2443471A4 (fr) * 2009-06-16 2014-04-30 Baanto Internat Ltd Systèmes de détection bidimensionnelle de position et capteurs associés
KR20170103987A (ko) 2009-06-18 2017-09-13 바안토 인터내셔널 엘티디. 표면 상의 방사선 차단 물체들을 감지 및 추적하기 위한 시스템들 및 방법들
CN201465076U (zh) * 2009-07-03 2010-05-12 北京汇冠新技术股份有限公司 一种用于触摸屏的光源及一种触摸屏
CN102129330A (zh) * 2009-07-07 2011-07-20 松翰科技股份有限公司 触控屏幕、触控模块及控制方法
JP5374266B2 (ja) * 2009-07-22 2013-12-25 株式会社シロク 光学式位置検出装置
JP5273676B2 (ja) * 2009-08-10 2013-08-28 ヌライテン トレーディング （シャンハイ）カンパニー 広域赤外線光源マルチタッチスクリーン
TWI420357B (zh) * 2009-08-28 2013-12-21 Pixart Imaging Inc 觸控系統及其指示物座標偵測方法
JP2011090604A (ja) * 2009-10-26 2011-05-06 Seiko Epson Corp 光学式位置検出装置および位置検出機能付き表示装置
KR101715851B1 (ko) * 2009-12-15 2017-03-15 엘지디스플레이 주식회사 광학 센싱 유닛, 이를 이용한 표시 모듈 및 표시 장치
JP2011175543A (ja) * 2010-02-25 2011-09-08 Sanyo Electric Co Ltd 指示体検出装置及びタッチパネル
CN101847063B (zh) * 2010-03-03 2013-04-17 苏州佳世达电通有限公司 利用不同时形成的光域的物体侦测系统及方法
CN101923418B (zh) * 2010-03-07 2013-01-16 苏州佳世达电通有限公司 物体侦测系统及方法
CN102202172B (zh) * 2010-03-23 2016-03-09 北京汇冠新技术股份有限公司 用于带摄像头触摸屏的摄像头同步方法和系统
FR2958010B1 (fr) * 2010-03-25 2017-11-10 Intui Sense Dispositif interactif adaptable aux conditions de luminosite ambiante
CN102281395B (zh) * 2010-06-08 2014-09-03 北京汇冠新技术股份有限公司 触摸屏、触摸系统和显示器
US9557837B2 (en) 2010-06-15 2017-01-31 Pixart Imaging Inc. Touch input apparatus and operation method thereof
TWI416942B (zh) * 2010-08-27 2013-11-21 Disk King Technology Co Ltd High Panoramic Photographic Touch Device and Method with High Operation Speed
JP5934216B2 (ja) 2010-09-02 2016-06-15 バーント インターナショナル リミテッド 表面上の放射線遮蔽物体を検知・追跡するシステムおよび方法
GB2487043B (en) 2010-12-14 2013-08-14 Epson Norway Res And Dev As Camera-based multi-touch interaction and illumination system and method
CN102692182A (zh) * 2011-03-23 2012-09-26 刘中华 一种用于屏幕触控输入装置的光学检测系统
US20120313895A1 (en) 2011-06-10 2012-12-13 Texas Instruments Incorporated Touch screen
KR101305808B1 (ko) 2011-10-11 2013-09-06 현대자동차주식회사 자동차용 유기 ｅｌ 라이트 장치
CA2862470C (fr) * 2012-01-11 2018-10-23 Smart Technologies Ulc Etalonnage d'un rideau lumineux interactif
TWI450159B (zh) * 2012-03-02 2014-08-21 Pixart Imaging Inc Optical touch device, passive touch system and its input detection method
CN103309517A (zh) * 2012-03-15 2013-09-18 原相科技股份有限公司 光学式输入装置及其输入检测方法
KR101386503B1 (ko) 2012-07-30 2014-04-17 서울시립대학교 산학협력단 광 센서의 삼각측량 배치 기반의 인터랙티브 디스플레이 장치
CN103902084B (zh) * 2012-12-27 2017-06-13 上海天马微电子有限公司 一种触摸屏
CN103941920A (zh) * 2013-01-21 2014-07-23 原相科技股份有限公司 光学触控系统
CN104423564B (zh) 2013-09-11 2018-03-27 联想(北京)有限公司 输入信息识别方法、装置和电子设备
CN120653123A (zh) * 2019-11-20 2025-09-16 奈克斯特曼德公司 脑计算机接口

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554261B1 (fr) 1983-10-28 1987-04-30 Thomson Csf Dispositif sensitif d'affichage comportant un ecran a balayage
US4782328A (en) 1986-10-02 1988-11-01 Product Development Services, Incorporated Ambient-light-responsive touch screen data input method and system
US4746770A (en) * 1987-02-17 1988-05-24 Sensor Frame Incorporated Method and apparatus for isolating and manipulating graphic objects on computer video monitor
US4811004A (en) * 1987-05-11 1989-03-07 Dale Electronics, Inc. Touch panel system and method for using same
JPH0521153Y2 (fr) * 1987-10-08 1993-05-31
US5164714A (en) 1988-06-20 1992-11-17 Amp Incorporated Modulated touch entry system and method with synchronous detection
JP2896183B2 (ja) * 1990-02-22 1999-05-31 株式会社ワコム 光学式複数２次元座標同時入力装置
US5534917A (en) 1991-05-09 1996-07-09 Very Vivid, Inc. Video image based control system
US5317140A (en) * 1992-11-24 1994-05-31 Dunthorn David I Diffusion-assisted position location particularly for visual pen detection
JPH1031546A (ja) * 1996-07-17 1998-02-03 Yamaha Corp 座標入力装置
JP3624070B2 (ja) * 1997-03-07 2005-02-23 キヤノン株式会社 座標入力装置及びその制御方法
JPH11110116A (ja) * 1997-08-07 1999-04-23 Fujitsu Ltd 光学式位置検出装置
DE69838535T2 (de) * 1997-08-07 2008-07-10 Fujitsu Ltd., Kawasaki Optisch abtastende berührungsempfindliche Tafel
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
JP2001014091A (ja) * 1999-06-30 2001-01-19 Ricoh Co Ltd 座標入力装置
JP3986710B2 (ja) * 1999-07-15 2007-10-03 株式会社リコー 座標検出装置
JP4083941B2 (ja) * 1999-09-03 2008-04-30 株式会社リコー 座標入力装置
JP2001282445A (ja) * 2000-03-31 2001-10-12 Ricoh Co Ltd 座標入力／検出装置および情報表示入力装置
US20020007453A1 (en) * 2000-05-23 2002-01-17 Nemovicher C. Kerry Secured electronic mail system and method
US6864882B2 (en) 2000-05-24 2005-03-08 Next Holdings Limited Protected touch panel display system
JP4208394B2 (ja) * 2000-08-09 2009-01-14 株式会社リコー 座標入力装置
JP4538933B2 (ja) * 2000-10-06 2010-09-08 三菱電機株式会社 位置検出機能つき液晶表示装置
JP2002196874A (ja) * 2000-12-27 2002-07-12 Ntt Docomo Inc 手書きデータ入力装置及び方法並びに個人認証装置及び方法
JP4357761B2 (ja) * 2001-03-23 2009-11-04 株式会社リコー 光学式座標入力装置
CN1378171A (zh) * 2002-05-20 2002-11-06 许旻 一种计算机输入系统

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8289299B2 (en) 2003-02-14 2012-10-16 Next Holdings Limited Touch screen signal processing
US8456447B2 (en) 2003-02-14 2013-06-04 Next Holdings Limited Touch screen signal processing
US8466885B2 (en) 2003-02-14 2013-06-18 Next Holdings Limited Touch screen signal processing
US8508508B2 (en) 2003-02-14 2013-08-13 Next Holdings Limited Touch screen signal processing with single-point calibration
US8149221B2 (en) 2004-05-07 2012-04-03 Next Holdings Limited Touch panel display system with illumination and detection provided from a single edge
US8115753B2 (en) 2007-04-11 2012-02-14 Next Holdings Limited Touch screen system with hover and click input methods
US8384693B2 (en) 2007-08-30 2013-02-26 Next Holdings Limited Low profile touch panel systems
US8432377B2 (en) 2007-08-30 2013-04-30 Next Holdings Limited Optical touchscreen with improved illumination
US8405637B2 (en) 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly with convex imaging window
US8405636B2 (en) 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly

Also Published As

Publication number Publication date
JP2006518076A (ja) 2006-08-03
JP4668897B2 (ja) 2011-04-13
AU2004211738A1 (en) 2004-08-26
EP1599789A4 (fr) 2010-03-31
WO2004072843A1 (fr) 2004-08-26
CN1774692A (zh) 2006-05-17
CA2515955A1 (fr) 2004-08-26
AU2004211738B2 (en) 2007-04-19
CN100468303C (zh) 2009-03-11
KR20050111324A (ko) 2005-11-24
EP1599789A1 (fr) 2005-11-30
KR101035253B1 (ko) 2011-05-19

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