TWI562046B - Optical touch apparatus and width detecting method thereof - Google Patents

Optical touch apparatus and width detecting method thereof

Info

Publication number
TWI562046B
TWI562046B TW104120504A TW104120504A TWI562046B TW I562046 B TWI562046 B TW I562046B TW 104120504 A TW104120504 A TW 104120504A TW 104120504 A TW104120504 A TW 104120504A TW I562046 B TWI562046 B TW I562046B
Authority
TW
Taiwan
Prior art keywords
detecting method
optical touch
touch apparatus
width detecting
width
Prior art date
Application number
TW104120504A
Other languages
English (en)
Other versions
TW201701134A (zh
Inventor
Kuo Hsien Lu
Yu Yen Chen
Original Assignee
Wistron Corp
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 Wistron Corp filed Critical Wistron Corp
Priority to TW104120504A priority Critical patent/TWI562046B/zh
Priority to CN201510399085.XA priority patent/CN106325611B/zh
Priority to US14/873,216 priority patent/US10719174B2/en
Application granted granted Critical
Publication of TWI562046B publication Critical patent/TWI562046B/zh
Publication of TW201701134A publication Critical patent/TW201701134A/zh
Priority to US16/901,013 priority patent/US11126306B2/en

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
    • G06F3/018—Input/output arrangements for oriental characters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/12—Classification; Matching
    • G06F2218/14—Classification; Matching by matching peak patterns
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V2201/00—Indexing scheme relating to image or video recognition or understanding
    • G06V2201/12—Acquisition of 3D measurements of objects
    • G06V2201/121—Acquisition of 3D measurements of objects using special illumination
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/107—Static hand or arm
TW104120504A 2015-06-25 2015-06-25 Optical touch apparatus and width detecting method thereof TWI562046B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TW104120504A TWI562046B (en) 2015-06-25 2015-06-25 Optical touch apparatus and width detecting method thereof
CN201510399085.XA CN106325611B (zh) 2015-06-25 2015-07-09 光学触控装置及其宽度检测方法
US14/873,216 US10719174B2 (en) 2015-06-25 2015-10-02 Optical touch apparatus and width detecting method thereof
US16/901,013 US11126306B2 (en) 2015-06-25 2020-06-15 Optical touch apparatus and width detecting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW104120504A TWI562046B (en) 2015-06-25 2015-06-25 Optical touch apparatus and width detecting method thereof

Publications (2)

Publication Number Publication Date
TWI562046B true TWI562046B (en) 2016-12-11
TW201701134A TW201701134A (zh) 2017-01-01

Family

ID=57600953

Family Applications (1)

Application Number Title Priority Date Filing Date
TW104120504A TWI562046B (en) 2015-06-25 2015-06-25 Optical touch apparatus and width detecting method thereof

Country Status (3)

Country Link
US (2) US10719174B2 (zh)
CN (1) CN106325611B (zh)
TW (1) TWI562046B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI562046B (en) * 2015-06-25 2016-12-11 Wistron Corp Optical touch apparatus and width detecting method thereof
US10701277B2 (en) * 2017-05-31 2020-06-30 Fotonation Limited Automatic exposure module for an image acquisition system
CN109375358B (zh) * 2018-11-28 2020-07-24 南京理工大学 一种基于最优照明模式设计下的差分相衬定量相位显微成像方法
CN111522474B (zh) * 2020-04-20 2023-11-07 歌尔光学科技有限公司 触控结构和触控系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6369880B1 (en) * 1998-12-01 2002-04-09 Robert Bosch Gmbh Device for measuring distance using a semiconductor laser in the visible wavelength range according to the running time method
US20110291991A1 (en) * 2010-06-01 2011-12-01 Hung-Yu Lin Portable optical touch system
TW201322088A (zh) * 2011-11-30 2013-06-01 Wistron Corp 光學觸控裝置與觸控影像處理方法
TW201339920A (zh) * 2012-03-19 2013-10-01 Quanta Comp Inc 光學觸控系統及光學觸控位置檢測方法

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545018A (en) * 1982-09-01 1985-10-01 Westinghouse Electric Corp. Calibration of automated laser machining apparatus
DE3502634A1 (de) * 1985-01-26 1985-06-20 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Optisch-elektronischer entfernungsmesser
DE69838535T2 (de) * 1997-08-07 2008-07-10 Fujitsu Ltd., Kawasaki Optisch abtastende berührungsempfindliche Tafel
JP4393030B2 (ja) * 2000-04-14 2010-01-06 富士通株式会社 光学式位置検出装置及び記録媒体
US6628457B2 (en) * 2000-07-11 2003-09-30 Asahi Kogaku Kogyo Kabushiki Kaisha Antivibration microscope
US6947456B2 (en) * 2000-12-12 2005-09-20 Agilent Technologies, Inc. Open-loop laser driver having an integrated digital controller
US6554434B2 (en) * 2001-07-06 2003-04-29 Sony Corporation Interactive projection system
US7576727B2 (en) * 2002-12-13 2009-08-18 Matthew Bell Interactive directed light/sound system
JP2005217064A (ja) * 2004-01-28 2005-08-11 Canon Inc 露光システム
TW200627244A (en) * 2005-01-17 2006-08-01 Era Optoelectronics Inc Data input device
US9247215B1 (en) * 2005-04-22 2016-01-26 Custom Manufacturing & Engineering, Inc. Laser sensor system
US8022941B2 (en) * 2006-10-12 2011-09-20 Disney Enterprises, Inc. Multi-user touch screen
CN101971129A (zh) * 2008-02-11 2011-02-09 奈克斯特控股有限公司 解决光学触摸屏的多点触摸情景的系统和方法
EP2353069B1 (en) * 2008-10-02 2013-07-03 Next Holdings Limited Stereo optical sensors for resolving multi-touch in a touch detection system
JP2010277122A (ja) * 2009-05-26 2010-12-09 Xiroku:Kk 光学式位置検出装置
US8717315B2 (en) * 2009-10-06 2014-05-06 Pixart Imaging Inc. Touch-control system and touch-sensing method thereof
US8970554B2 (en) * 2009-12-24 2015-03-03 Lg Display Co., Ltd. Assembly having display panel and optical sensing frame and display system using the same
US9377903B2 (en) * 2010-06-01 2016-06-28 Cho-Yi Lin Portable optical touch system
TWI441062B (zh) * 2011-06-21 2014-06-11 Pixart Imaging Inc 光學觸控系統及其影像處理方法
JP6008076B2 (ja) * 2011-10-13 2016-10-19 セイコーエプソン株式会社 プロジェクター及び画像描画方法
JP5249403B2 (ja) * 2011-11-17 2013-07-31 ファナック株式会社 補助制御装置を備えたレーザ加工システム
TWI446250B (zh) * 2011-12-05 2014-07-21 Wistron Corp 可攜式光學觸控系統及其操作方法
TWI464649B (zh) * 2012-03-22 2014-12-11 Quanta Comp Inc 光學觸控系統
TWI479391B (zh) * 2012-03-22 2015-04-01 Wistron Corp 光學式觸控裝置及判斷觸控座標之方法
US20140063261A1 (en) * 2012-08-29 2014-03-06 Pocket Optics, LLC Portable distance measuring device with a laser range finder, image sensor(s) and microdisplay(s)
US9151603B2 (en) * 2012-09-13 2015-10-06 Laser Technology, Inc. Compact folded signal transmission and image viewing pathway design and visual display technique for laser rangefinding instruments
TWI482067B (zh) * 2012-11-13 2015-04-21 Wistron Corp 光學觸控系統及其物件位置之判斷方法
JP6175866B2 (ja) * 2013-04-02 2017-08-09 富士通株式会社 インタラクティブプロジェクタ
JP6128008B2 (ja) * 2013-08-26 2017-05-17 ソニー株式会社 投射型表示装置
US9465486B2 (en) * 2014-07-14 2016-10-11 Hong Kong Applied Science and Technology Research Institute Company Limited Portable interactive whiteboard module
CN107077195B (zh) * 2014-09-30 2020-09-29 惠普发展公司，有限责任合伙企业 显示对象指示符
US10013068B2 (en) * 2014-10-08 2018-07-03 Canon Kabushiki Kaisha Information processing apparatus including a mirror configured to reflect an image and a projector and an image capturing unit arranged below the mirror
JP2016076175A (ja) * 2014-10-08 2016-05-12 キヤノン株式会社 情報処理装置
US10031229B1 (en) * 2014-12-15 2018-07-24 Rockwell Collins, Inc. Object designator system and method
US9933514B1 (en) * 2015-03-12 2018-04-03 The Boeing Company LADAR systems with dynamic receiver filters
TWI553532B (zh) * 2015-05-12 2016-10-11 緯創資通股份有限公司 光學式觸控裝置及其感測方法
TWI562046B (en) * 2015-06-25 2016-12-11 Wistron Corp Optical touch apparatus and width detecting method thereof
KR20190057078A (ko) * 2016-09-14 2019-05-27 아마트론 시스템즈, 엘엘씨 고속 압출 프린팅에 의한 보강 시멘트질 건설 방법 및 이를 이용하는 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6369880B1 (en) * 1998-12-01 2002-04-09 Robert Bosch Gmbh Device for measuring distance using a semiconductor laser in the visible wavelength range according to the running time method
US20110291991A1 (en) * 2010-06-01 2011-12-01 Hung-Yu Lin Portable optical touch system
TW201322088A (zh) * 2011-11-30 2013-06-01 Wistron Corp 光學觸控裝置與觸控影像處理方法
TW201339920A (zh) * 2012-03-19 2013-10-01 Quanta Comp Inc 光學觸控系統及光學觸控位置檢測方法

Also Published As

Publication number Publication date
CN106325611A (zh) 2017-01-11
CN106325611B (zh) 2019-07-05
TW201701134A (zh) 2017-01-01
US20160378266A1 (en) 2016-12-29
US20200310593A1 (en) 2020-10-01
US11126306B2 (en) 2021-09-21
US10719174B2 (en) 2020-07-21

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