EP1599789A4 - Touch screen signal processing - Google Patents

Touch screen signal processing

Info

Publication number
EP1599789A4
EP1599789A4 EP04711522A EP04711522A EP1599789A4 EP 1599789 A4 EP1599789 A4 EP 1599789A4 EP 04711522 A EP04711522 A EP 04711522A EP 04711522 A EP04711522 A EP 04711522A EP 1599789 A4 EP1599789 A4 EP 1599789A4
Authority
EP
European Patent Office
Prior art keywords
signal processing
touch screen
screen signal
touch
processing
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.)
Withdrawn
Application number
EP04711522A
Other languages
German (de)
French (fr)
Other versions
EP1599789A1 (en
Inventor
John David Newton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Next Holdings Ltd
Original Assignee
Next Holdings Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Next Holdings Ltd filed Critical Next Holdings Ltd
Publication of EP1599789A1 publication Critical patent/EP1599789A1/en
Publication of EP1599789A4 publication Critical patent/EP1599789A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G06F3/0421—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
EP04711522A 2003-02-14 2004-02-16 Touch screen signal processing Withdrawn EP1599789A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ52421103 2003-02-14
NZ52421103 2003-02-14
PCT/NZ2004/000029 WO2004072843A1 (en) 2003-02-14 2004-02-16 Touch screen signal processing

Publications (2)

Publication Number Publication Date
EP1599789A1 EP1599789A1 (en) 2005-11-30
EP1599789A4 true EP1599789A4 (en) 2010-03-31

Family

ID=32867173

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04711522A Withdrawn EP1599789A4 (en) 2003-02-14 2004-02-16 Touch screen signal processing

Country Status (7)

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

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Publication number Priority date Publication date Assignee Title
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

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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
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
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US7538759B2 (en) 2004-05-07 2009-05-26 Next Holdings Limited Touch panel display system with illumination and detection provided from a single edge
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US9171454B2 (en) 2007-11-14 2015-10-27 Microsoft Technology Licensing, Llc Magic wand
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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
JP5331887B2 (en) * 2008-09-15 2013-10-30 ヒューレット−パッカード デベロップメント カンパニー エル．ピー． Touch screen display with multiple cameras
KR100879328B1 (en) 2008-10-21 2009-01-19 (주)컴버스테크 Apparatus and method for modulating finger depth by camera and touch screen with the apparatus
US8339378B2 (en) 2008-11-05 2012-12-25 Smart Technologies Ulc Interactive input system with multi-angle reflector
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JP2010277122A (en) * 2009-05-26 2010-12-09 Xiroku:Kk Optical position detection apparatus
CN104655160A (en) * 2009-06-16 2015-05-27 百安托国际有限公司 Two dimensional position sensing system and sensors thereof
KR101814515B1 (en) 2009-06-18 2018-01-04 바안토 인터내셔널 엘티디. Systems and methods for sensing and tracking radiation blocking objects on a surface
CN201465076U (en) * 2009-07-03 2010-05-12 北京汇冠新技术股份有限公司 Light source for touch screen and touch screen
CN102129330A (en) * 2009-07-07 2011-07-20 松翰科技股份有限公司 Touch control screen, touch control module and control method
JP5374266B2 (en) * 2009-07-22 2013-12-25 株式会社シロク Optical position detector
JP5273676B2 (en) * 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 Wide-area infrared light source multi-touch screen
TWI420357B (en) 2009-08-28 2013-12-21 Pixart Imaging Inc Touch system and pointer coordinate detecting method therefor
JP2011090604A (en) * 2009-10-26 2011-05-06 Seiko Epson Corp Optical position detection apparatus and display device with position detection function
KR101715851B1 (en) * 2009-12-15 2017-03-15 엘지디스플레이 주식회사 Optical Sensing Unit, Display Module and Display Device Using the Same
JP2011175543A (en) * 2010-02-25 2011-09-08 Sanyo Electric Co Ltd Indicator detection device and touch panel
CN101847063B (en) * 2010-03-03 2013-04-17 苏州佳世达电通有限公司 System and method for detecting object by using non-coincident fields of light
CN101923418B (en) * 2010-03-07 2013-01-16 苏州佳世达电通有限公司 Object sensing system and method
CN102202172B (en) * 2010-03-23 2016-03-09 北京汇冠新技术股份有限公司 For the camera synchronization method with camera touch-screen and system
FR2958010B1 (en) * 2010-03-25 2017-11-10 Intui Sense INTERACTIVE DEVICE ADAPTABLE TO AMBIENT LUMINOSITY CONDITIONS
CN102281395B (en) * 2010-06-08 2014-09-03 北京汇冠新技术股份有限公司 Touch screen, touch system and display
US9557837B2 (en) 2010-06-15 2017-01-31 Pixart Imaging Inc. Touch input apparatus and operation method thereof
TWI416942B (en) * 2010-08-27 2013-11-21 Disk King Technology Co Ltd High Panoramic Photographic Touch Device and Method with High Operation Speed
WO2012027829A1 (en) * 2010-09-02 2012-03-08 Baanto International Ltd. Systems and methods for sensing and tracking radiation blocking objects on a surface
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 (en) * 2011-03-23 2012-09-26 刘中华 Optical detection system used for screen touch control input device
US20120313895A1 (en) * 2011-06-10 2012-12-13 Texas Instruments Incorporated Touch screen
KR101305808B1 (en) 2011-10-11 2013-09-06 현대자동차주식회사 Organic EL light device for automobile
CA2862446C (en) * 2012-01-11 2018-07-10 Smart Technologies Ulc Interactive input system and method
TWI450159B (en) * 2012-03-02 2014-08-21 Pixart Imaging Inc Optical touch device, passive touch system and its input detection method
CN103309517A (en) * 2012-03-15 2013-09-18 原相科技股份有限公司 Optical input device and input detection method thereof
KR101386503B1 (en) 2012-07-30 2014-04-17 서울시립대학교 산학협력단 Interactive disiplay device by trigonometric photo-recognition cell layout
CN103902084B (en) * 2012-12-27 2017-06-13 上海天马微电子有限公司 A kind of touch-screen
CN103941920A (en) * 2013-01-21 2014-07-23 原相科技股份有限公司 Optical touch system
CN104423564B (en) * 2013-09-11 2018-03-27 联想(北京)有限公司 Input information identifying method, device and electronic equipment

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WO2001091043A2 (en) * 2000-05-24 2001-11-29 Next Holdings Limited Touch panel display system

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Cited By (3)

* 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
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

Also Published As

Publication number Publication date
AU2004211738A1 (en) 2004-08-26
WO2004072843A1 (en) 2004-08-26
KR20050111324A (en) 2005-11-24
KR101035253B1 (en) 2011-05-19
JP2006518076A (en) 2006-08-03
CA2515955C (en) 2011-01-11
AU2004211738B2 (en) 2007-04-19
EP1599789A1 (en) 2005-11-30
CA2515955A1 (en) 2004-08-26
JP4668897B2 (en) 2011-04-13
CN1774692A (en) 2006-05-17
CN100468303C (en) 2009-03-11

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