EP3519928A4 - Optical touch sensing for displays and other applications - Google Patents

Optical touch sensing for displays and other applications Download PDF

Info

Publication number
EP3519928A4
EP3519928A4 EP18805607.1A EP18805607A EP3519928A4 EP 3519928 A4 EP3519928 A4 EP 3519928A4 EP 18805607 A EP18805607 A EP 18805607A EP 3519928 A4 EP3519928 A4 EP 3519928A4
Authority
EP
European Patent Office
Prior art keywords
displays
applications
touch sensing
optical touch
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.)
Withdrawn
Application number
EP18805607.1A
Other languages
German (de)
French (fr)
Other versions
EP3519928A1 (en
Inventor
Yi He
Bo Pi
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.)
Shenzhen Goodix Technology Co Ltd
Original Assignee
Shenzhen Goodix Technology Co 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
Priority claimed from US15/807,561 external-priority patent/US10437391B2/en
Application filed by Shenzhen Goodix Technology Co Ltd filed Critical Shenzhen Goodix Technology Co Ltd
Publication of EP3519928A1 publication Critical patent/EP3519928A1/en
Publication of EP3519928A4 publication Critical patent/EP3519928A4/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Withdrawn legal-status Critical Current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
    • 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
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03542—Light pens for emitting or receiving light
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0386—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry for light pen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04109—FTIR in optical digitiser, i.e. touch detection by frustrating the total internal reflection within an optical waveguide due to changes of optical properties or deformation at the touch location
EP18805607.1A 2017-05-23 2018-04-25 Optical touch sensing for displays and other applications Withdrawn EP3519928A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762510230P 2017-05-23 2017-05-23
US15/807,561 US10437391B2 (en) 2016-11-17 2017-11-08 Optical touch sensing for displays and other applications
PCT/CN2018/084429 WO2018214691A1 (en) 2017-05-23 2018-04-25 Optical touch sensing for displays and other applications

Publications (2)

Publication Number Publication Date
EP3519928A1 EP3519928A1 (en) 2019-08-07
EP3519928A4 true EP3519928A4 (en) 2020-02-12

Family

ID=64395301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18805607.1A Withdrawn EP3519928A4 (en) 2017-05-23 2018-04-25 Optical touch sensing for displays and other applications

Country Status (3)

Country Link
EP (1) EP3519928A4 (en)
CN (1) CN109287124B (en)
WO (1) WO2018214691A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113220140B (en) * 2020-01-21 2023-10-13 京东方科技集团股份有限公司 Interactive pen, induction screen, interactive system and positioning method

Citations (8)

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JP2003256123A (en) * 2002-03-01 2003-09-10 Ricoh Co Ltd Coordinate detector
US20070132742A1 (en) * 2005-12-08 2007-06-14 Deng-Peng Chen Method and apparatus employing optical angle detectors adjacent an optical input area
WO2008018768A1 (en) * 2006-08-10 2008-02-14 Lg Chem, Ltd. A light guide plate for system inputting coordinate contactlessly, a system comprising the same and a method for inputting coordinate contactlessly using the same
US20120249482A1 (en) * 2011-04-04 2012-10-04 Seiko Epson Corporation Input system and pen-shaped input device
WO2013111447A1 (en) * 2012-01-27 2013-08-01 シャープ株式会社 Coordinate input device and coordinate input system
US20140285475A1 (en) * 2012-08-30 2014-09-25 Panasonic Corporation Stylus detecting device and stylus detecting method
US20150077763A1 (en) * 2013-09-13 2015-03-19 Ricoh Company, Ltd. Coordinate detection system and information processing apparatus
US20150241997A1 (en) * 2014-02-25 2015-08-27 Ricoh Company, Ltd. Coordinate detection system, information processing apparatus, method of detecting coordinate, and program

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Publication number Priority date Publication date Assignee Title
JP2002268810A (en) * 2001-03-13 2002-09-20 Canon Inc Coordinate input device
JP2008267898A (en) * 2007-04-18 2008-11-06 Sharp Corp Optical position sensor and electronic apparatus
EP2436001B1 (en) * 2009-05-27 2018-02-14 Analog Devices, Inc. Position measurement systems using position sensitive detectors
CN101937289B (en) * 2009-06-30 2013-06-05 鸿富锦精密工业（深圳）有限公司 Optical touch device
CN103399671B (en) * 2009-08-17 2017-11-21 上海科斗电子科技有限公司 Double-camera touch screen system and its felt pen
CN102375616B (en) * 2010-08-19 2014-07-02 广达电脑股份有限公司 Optical contact control structure
CN101995233B (en) * 2010-09-10 2012-10-03 曹彦波 Angle measuring method for sun precision tracking and digital photoelectric angle sensor
US8872800B2 (en) * 2011-11-02 2014-10-28 Microsoft Corporation Optical tablet stylus and indoor navigation system
US9189081B2 (en) * 2012-12-17 2015-11-17 Eminent Electronic Technology Corp. Ltd. Optical sensing apparatus and method for detecting object near optical sensing apparatus
TW201427418A (en) * 2012-12-17 2014-07-01 Eminent Electronic Technology Corp Ltd Sensing apparatus and sensing method
TWI496058B (en) * 2013-07-31 2015-08-11 Quanta Comp Inc Optical touchscreen
CN203454992U (en) * 2013-08-21 2014-02-26 郭忠文 Sunlight irradiation angle sensor with light-tight barrel
JP6176013B2 (en) * 2013-09-12 2017-08-09 株式会社リコー Coordinate input device and image processing device
CN104657000A (en) * 2013-11-15 2015-05-27 中强光电股份有限公司 Optical touch device and touch method thereof
JP6539816B2 (en) * 2015-01-30 2019-07-10 ソニー デプスセンシング ソリューションズ エスエー エヌブイ Multi-modal gesture based interactive system and method using one single sensing system
CN106383598A (en) * 2016-08-26 2017-02-08 南京嘉凡电子科技有限公司 Emitter positioning system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003256123A (en) * 2002-03-01 2003-09-10 Ricoh Co Ltd Coordinate detector
US20070132742A1 (en) * 2005-12-08 2007-06-14 Deng-Peng Chen Method and apparatus employing optical angle detectors adjacent an optical input area
WO2008018768A1 (en) * 2006-08-10 2008-02-14 Lg Chem, Ltd. A light guide plate for system inputting coordinate contactlessly, a system comprising the same and a method for inputting coordinate contactlessly using the same
US20120249482A1 (en) * 2011-04-04 2012-10-04 Seiko Epson Corporation Input system and pen-shaped input device
WO2013111447A1 (en) * 2012-01-27 2013-08-01 シャープ株式会社 Coordinate input device and coordinate input system
US20140285475A1 (en) * 2012-08-30 2014-09-25 Panasonic Corporation Stylus detecting device and stylus detecting method
US20150077763A1 (en) * 2013-09-13 2015-03-19 Ricoh Company, Ltd. Coordinate detection system and information processing apparatus
US20150241997A1 (en) * 2014-02-25 2015-08-27 Ricoh Company, Ltd. Coordinate detection system, information processing apparatus, method of detecting coordinate, and program

Also Published As

Publication number Publication date
CN109287124B (en) 2022-01-28
WO2018214691A1 (en) 2018-11-29
CN109287124A (en) 2019-01-29
EP3519928A1 (en) 2019-08-07

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