IL219030A0 - Extracting touch data that represents one or more objects on a touch surface - Google Patents
Extracting touch data that represents one or more objects on a touch surfaceInfo
- Publication number
- IL219030A0 IL219030A0 IL219030A IL21903012A IL219030A0 IL 219030 A0 IL219030 A0 IL 219030A0 IL 219030 A IL219030 A IL 219030A IL 21903012 A IL21903012 A IL 21903012A IL 219030 A0 IL219030 A0 IL 219030A0
- Authority
- IL
- Israel
- Prior art keywords
- touch
- objects
- extracting
- data
- touch surface
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04186—Touch location disambiguation
-
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
Landscapes
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27266709P | 2009-10-19 | 2009-10-19 | |
| SE0950770 | 2009-10-19 | ||
| PCT/SE2010/051103 WO2011049511A1 (en) | 2009-10-19 | 2010-10-13 | Extracting touch data that represents one or more objects on a touch surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL219030A0 true IL219030A0 (en) | 2012-06-28 |
Family
ID=43900540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL219030A IL219030A0 (en) | 2009-10-19 | 2012-04-03 | Extracting touch data that represents one or more objects on a touch surface |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9024916B2 (enExample) |
| EP (1) | EP2491479B1 (enExample) |
| JP (1) | JP2013508804A (enExample) |
| KR (1) | KR20120083916A (enExample) |
| CN (1) | CN102648445A (enExample) |
| AU (1) | AU2010308594A1 (enExample) |
| CA (1) | CA2778153A1 (enExample) |
| IL (1) | IL219030A0 (enExample) |
| RU (1) | RU2012118595A (enExample) |
| WO (1) | WO2011049511A1 (enExample) |
Families Citing this family (76)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9063615B2 (en) | 2008-08-07 | 2015-06-23 | Rapt Ip Limited | Detecting multitouch events in an optical touch-sensitive device using line images |
| US9092092B2 (en) * | 2008-08-07 | 2015-07-28 | Rapt Ip Limited | Detecting multitouch events in an optical touch-sensitive device using touch event templates |
| SE533704C2 (sv) | 2008-12-05 | 2010-12-07 | Flatfrog Lab Ab | Pekkänslig apparat och förfarande för drivning av densamma |
| KR20120083915A (ko) | 2009-10-19 | 2012-07-26 | 플라트프로그 라보라토리즈 에이비 | 터치면 상의 하나 이상의 객체에 대한 터치 데이터를 결정하는 방법 |
| TW201203052A (en) * | 2010-05-03 | 2012-01-16 | Flatfrog Lab Ab | Touch determination by tomographic reconstruction |
| EP2588942A4 (en) | 2010-07-01 | 2017-01-25 | FlatFrog Laboratories AB | Data processing in relation to a multi-touch sensing apparatus |
| KR101778127B1 (ko) * | 2010-12-14 | 2017-09-13 | 엘지전자 주식회사 | 터치 패널 및 터치 패널을 포함하는 디스플레이 장치 |
| JP2013546094A (ja) | 2010-12-15 | 2013-12-26 | フラットフロッグ ラボラトリーズ アーベー | 信号の強調を伴うタッチ判定 |
| EP2466428A3 (en) | 2010-12-16 | 2015-07-29 | FlatFrog Laboratories AB | Touch apparatus with separated compartments |
| EP2466429A1 (en) | 2010-12-16 | 2012-06-20 | FlatFrog Laboratories AB | Scanning ftir systems for touch detection |
| EP2671141B1 (en) | 2011-02-02 | 2016-05-25 | FlatFrog Laboratories AB | Optical incoupling for touch-sensitive systems |
| WO2012158105A2 (en) * | 2011-05-16 | 2012-11-22 | Flatfrog Laboratories Ab | Device and method for determining reduced performance of a touch sensitive apparatus |
| CN104094203B (zh) | 2011-07-22 | 2017-02-15 | 拉普特知识产权公司 | 用于在光学触敏装置中使用的光学耦合器 |
| TW201329821A (zh) | 2011-09-27 | 2013-07-16 | Flatfrog Lab Ab | 用於觸控決定的影像重建技術 |
| TW201333787A (zh) | 2011-10-11 | 2013-08-16 | Flatfrog Lab Ab | 觸控系統中改良的多點觸控偵測 |
| CN104160366A (zh) | 2011-11-28 | 2014-11-19 | 康宁股份有限公司 | 使用平面透明薄板的稳固的光学触摸屏系统和方法 |
| WO2013081894A1 (en) | 2011-11-28 | 2013-06-06 | Corning Incorporated | Optical touch-screen systems and methods using a planar transparent sheet |
| KR20140107452A (ko) | 2011-12-16 | 2014-09-04 | 플라트프로그 라보라토리즈 에이비 | 터치 표면 상의 객체 추적 |
| WO2013089622A2 (en) | 2011-12-16 | 2013-06-20 | Flatfrog Laboratories Ab | Tracking objects on a touch surface |
| US9927920B2 (en) | 2011-12-16 | 2018-03-27 | Flatfrog Laboratories Ab | Tracking objects on a touch surface |
| EP2795437A4 (en) * | 2011-12-22 | 2015-07-15 | Flatfrog Lab Ab | TOUCH DETERMINATION WITH INTERACTION COMPENSATION |
| WO2013115710A2 (en) | 2012-01-31 | 2013-08-08 | Flatfrog Laboratories Ab | Performance monitoring and correction in a touch-sensitive apparatus |
| WO2013126005A2 (en) * | 2012-02-21 | 2013-08-29 | Flatfrog Laboratories Ab | Touch determination with improved detection of weak interactions |
| US8779780B1 (en) | 2012-02-23 | 2014-07-15 | Cypress Semiconductor Corporation | Methods and apparatus to detect presence of an input object |
| EP2845081A4 (en) | 2012-05-02 | 2015-12-16 | Flatfrog Lab Ab | OBJECT DETECTION IN TOUCH SYSTEMS |
| EP2845080A4 (en) * | 2012-05-02 | 2015-12-16 | Flatfrog Lab Ab | OBJECT DETECTION IN TOUCH SYSTEMS |
| WO2013176615A2 (en) | 2012-05-23 | 2013-11-28 | Flatfrog Laboratories Ab | Touch-sensitive apparatus with improved spatial resolution |
| US10168835B2 (en) | 2012-05-23 | 2019-01-01 | Flatfrog Laboratories Ab | Spatial resolution in touch displays |
| EP2852879A4 (en) | 2012-05-23 | 2016-02-17 | Flatfrog Lab Ab | TOUCH-SENSITIVE DEVICE WITH IMPROVED SPATIAL RESOLUTION |
| US9524060B2 (en) | 2012-07-13 | 2016-12-20 | Rapt Ip Limited | Low power operation of an optical touch-sensitive device for detecting multitouch events |
| US9405382B2 (en) | 2012-07-24 | 2016-08-02 | Rapt Ip Limited | Augmented optical waveguide for use in an optical touch sensitive device |
| US9857916B2 (en) | 2012-07-24 | 2018-01-02 | Flatfrog Laboratories Ab | Optical coupling in touch-sensing systems using diffusively transmitting element |
| CN102902422A (zh) * | 2012-08-30 | 2013-01-30 | 深圳市印天印象科技有限公司 | 多点触摸系统及方法 |
| WO2014042576A2 (en) * | 2012-09-11 | 2014-03-20 | Flatfrog Laboratories Ab | Touch force estimation in an ftir-based projection-type touch-sensing apparatus |
| US9785287B2 (en) | 2012-12-17 | 2017-10-10 | Flatfrog Laboratories Ab | Optical coupling in touch-sensing systems |
| WO2014098740A1 (en) | 2012-12-17 | 2014-06-26 | Flatfrog Laboratories Ab | Optical coupling of light into touch-sensing systems |
| WO2014098742A1 (en) | 2012-12-17 | 2014-06-26 | Flatfrog Laboratories Ab | Edge-coupled touch-sensitive apparatus |
| WO2014098744A1 (en) | 2012-12-20 | 2014-06-26 | Flatfrog Laboratories Ab | Improvements in tir-based optical touch systems of projection-type |
| JP2014153936A (ja) * | 2013-02-08 | 2014-08-25 | Japan Display Inc | タッチ位置検出装置およびタッチ位置検出方法 |
| US10019113B2 (en) | 2013-04-11 | 2018-07-10 | Flatfrog Laboratories Ab | Tomographic processing for touch detection |
| US9874978B2 (en) | 2013-07-12 | 2018-01-23 | Flatfrog Laboratories Ab | Partial detect mode |
| TWI507947B (zh) * | 2013-07-12 | 2015-11-11 | Wistron Corp | 修正觸控訊號的裝置、系統以及其方法 |
| US9430097B2 (en) * | 2013-09-30 | 2016-08-30 | Synaptics Incorporated | Non-orthogonal coding techniques for optical sensing |
| US10152176B2 (en) | 2013-11-22 | 2018-12-11 | Flatfrog Laboratories Ab | Touch sensitive apparatus with improved spatial resolution |
| US10126882B2 (en) | 2014-01-16 | 2018-11-13 | Flatfrog Laboratories Ab | TIR-based optical touch systems of projection-type |
| WO2015108479A1 (en) | 2014-01-16 | 2015-07-23 | Flatfrog Laboratories Ab | Light coupling in tir-based optical touch systems |
| US9582117B2 (en) * | 2014-04-28 | 2017-02-28 | Qualcomm Incorporated | Pressure, rotation and stylus functionality for interactive display screens |
| US9864470B2 (en) | 2014-05-30 | 2018-01-09 | Flatfrog Laboratories Ab | Enhanced interaction touch system |
| EP3161594A4 (en) | 2014-06-27 | 2018-01-17 | FlatFrog Laboratories AB | Detection of surface contamination |
| TWI525511B (zh) * | 2014-08-06 | 2016-03-11 | Infilm Optoelectronic Inc | Light guide plate optical touch device |
| US10996795B2 (en) * | 2014-12-15 | 2021-05-04 | Beechrock Limited | Anti-glare and anti-reflective tactile effect surface for optical touch detection |
| US9921685B2 (en) * | 2014-12-15 | 2018-03-20 | Rapt Ip Limited | Tactile effect waveguide surface for optical touch detection |
| CN107209608A (zh) | 2015-01-28 | 2017-09-26 | 平蛙实验室股份公司 | 动态触摸隔离帧 |
| US10318074B2 (en) | 2015-01-30 | 2019-06-11 | Flatfrog Laboratories Ab | Touch-sensing OLED display with tilted emitters |
| EP3537269A1 (en) | 2015-02-09 | 2019-09-11 | FlatFrog Laboratories AB | Optical touch system |
| WO2016140612A1 (en) | 2015-03-02 | 2016-09-09 | Flatfrog Laboratories Ab | Optical component for light coupling |
| US9684407B2 (en) | 2015-04-22 | 2017-06-20 | Samsung Electronics Co., Ltd. | Method and apparatus for determining shape and orientation of a touch object on handheld devices |
| US10001882B2 (en) * | 2015-12-02 | 2018-06-19 | Rapt Ip Limited | Vibrated waveguide surface for optical touch detection |
| US10775937B2 (en) | 2015-12-09 | 2020-09-15 | Flatfrog Laboratories Ab | Stylus identification |
| EP3426345B1 (en) * | 2016-03-09 | 2021-06-23 | RefleXion Medical, Inc. | Fluence map generation methods for radiotherapy |
| WO2018096430A1 (en) * | 2016-11-24 | 2018-05-31 | Flatfrog Laboratories Ab | Automatic optimisation of touch signal |
| JP2020512607A (ja) | 2016-12-07 | 2020-04-23 | フラットフロッグ ラボラトリーズ アーベーＦｌａｔＦｒｏｇ Ｌａｂｏｒａｔｏｒｉｅｓ ＡＢ | 改良されたタッチ装置 |
| EP3458946B1 (en) | 2017-02-06 | 2020-10-21 | FlatFrog Laboratories AB | Optical coupling in touch-sensing systems |
| US10606414B2 (en) | 2017-03-22 | 2020-03-31 | Flatfrog Laboratories Ab | Eraser for touch displays |
| WO2018182476A1 (en) | 2017-03-28 | 2018-10-04 | Flatfrog Laboratories Ab | Touch sensing apparatus and method for assembly |
| JP6693478B2 (ja) * | 2017-06-13 | 2020-05-13 | 株式会社デンソー | 入力装置 |
| US11256371B2 (en) | 2017-09-01 | 2022-02-22 | Flatfrog Laboratories Ab | Optical component |
| WO2019172826A1 (en) | 2018-03-05 | 2019-09-12 | Flatfrog Laboratories Ab | Improved touch-sensing apparatus |
| WO2020080992A1 (en) | 2018-10-20 | 2020-04-23 | Flatfrog Laboratories Ab | Frame for a touch-sensitive device and tool therefor |
| WO2020153890A1 (en) | 2019-01-25 | 2020-07-30 | Flatfrog Laboratories Ab | A videoconferencing terminal and method of operating the same |
| CN110442273A (zh) * | 2019-07-19 | 2019-11-12 | 深圳市华星光电半导体显示技术有限公司 | 红外触控显示装置 |
| WO2021107840A1 (en) | 2019-11-25 | 2021-06-03 | Flatfrog Laboratories Ab | A touch-sensing apparatus |
| US12282653B2 (en) | 2020-02-08 | 2025-04-22 | Flatfrog Laboratories Ab | Touch apparatus with low latency interactions |
| WO2021162602A1 (en) | 2020-02-10 | 2021-08-19 | Flatfrog Laboratories Ab | Improved touch-sensing apparatus |
| US11709568B2 (en) | 2020-02-25 | 2023-07-25 | Promethean Limited | Convex interactive touch displays and related systems and methods |
| KR20240048468A (ko) | 2022-10-05 | 2024-04-15 | 한국과학기술원 | 진동형 마찰전기 발전기 및 이를 포함하는 자가 청소 태양광 패널 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3673327A (en) | 1970-11-02 | 1972-06-27 | Atomic Energy Commission | Touch actuable data input panel assembly |
| US4254333A (en) | 1978-05-31 | 1981-03-03 | Bergstroem Arne | Optoelectronic circuit element |
| US5525764A (en) * | 1994-06-09 | 1996-06-11 | Junkins; John L. | Laser scanning graphic input system |
| US6972753B1 (en) | 1998-10-02 | 2005-12-06 | Semiconductor Energy Laboratory Co., Ltd. | Touch panel, display device provided with touch panel and electronic equipment provided with display device |
| JP2001147772A (ja) * | 1999-11-19 | 2001-05-29 | Fujitsu Takamisawa Component Ltd | タッチパネル |
| US6690363B2 (en) | 2000-06-19 | 2004-02-10 | Next Holdings Limited | Touch panel display system |
| US7432893B2 (en) | 2003-06-14 | 2008-10-07 | Massachusetts Institute Of Technology | Input device based on frustrated total internal reflection |
| JP4859053B2 (ja) | 2003-09-12 | 2012-01-18 | フラットフロッグ・ラボラトリーズ・アクチボラゲット | 放射の散乱／反射要素の位置測定のシステム及び方法 |
| US8599140B2 (en) | 2004-11-17 | 2013-12-03 | International Business Machines Corporation | Providing a frustrated total internal reflection touch interface |
| KR20070116870A (ko) * | 2005-03-10 | 2007-12-11 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 터치 스크린 디스플레이와 상호작용하는 다수의 객체들의위치, 크기 및 모양을 검출하기 위한 시스템 및 방법 |
| US8847924B2 (en) | 2005-10-03 | 2014-09-30 | Hewlett-Packard Development Company, L.P. | Reflecting light |
| US8218154B2 (en) * | 2006-03-30 | 2012-07-10 | Flatfrog Laboratories Ab | System and a method of determining a position of a scattering/reflecting element on the surface of a radiation transmissive element |
| CN101517521B (zh) * | 2006-09-13 | 2012-08-15 | 皇家飞利浦电子股份有限公司 | 确定对象的取向和/或识别和/或标识对象的系统及对象 |
| US8094129B2 (en) | 2006-11-27 | 2012-01-10 | Microsoft Corporation | Touch sensing using shadow and reflective modes |
| WO2009000289A1 (en) | 2007-06-25 | 2008-12-31 | Nokia Corporation | Improvements in or relating to user interfaces and associated apparatus and methods |
| US8094137B2 (en) * | 2007-07-23 | 2012-01-10 | Smart Technologies Ulc | System and method of detecting contact on a display |
| US8716614B2 (en) | 2007-10-10 | 2014-05-06 | Flatfrog Laboratories Ab | Touch pad and a method of operating the touch pad |
| AR064377A1 (es) | 2007-12-17 | 2009-04-01 | Rovere Victor Manuel Suarez | Dispositivo para sensar multiples areas de contacto contra objetos en forma simultanea |
| WO2009102681A2 (en) * | 2008-02-11 | 2009-08-20 | Next Holdings, Inc. | Systems and methods for resolving multitouch scenarios for optical touchscreens |
| CN101551730B (zh) * | 2008-03-31 | 2010-12-15 | 义隆电子股份有限公司 | 具有均衡修正的电容式触控板及其侦测定位方法 |
| TW201001258A (en) | 2008-06-23 | 2010-01-01 | Flatfrog Lab Ab | Determining the location of one or more objects on a touch surface |
| TW201007530A (en) | 2008-06-23 | 2010-02-16 | Flatfrog Lab Ab | Detecting the location of an object on a touch surface |
| WO2010006885A2 (en) | 2008-06-23 | 2010-01-21 | Flatfrog Laboratories Ab | Detecting the location of an object on a touch surface |
| TW201013492A (en) | 2008-06-23 | 2010-04-01 | Flatfrog Lab Ab | Determining the location of one or more objects on a touch surface |
| TW201005606A (en) | 2008-06-23 | 2010-02-01 | Flatfrog Lab Ab | Detecting the locations of a plurality of objects on a touch surface |
| SE533704C2 (sv) * | 2008-12-05 | 2010-12-07 | Flatfrog Lab Ab | Pekkänslig apparat och förfarande för drivning av densamma |
| WO2010134865A1 (en) | 2009-05-18 | 2010-11-25 | Flatfrog Laboratories Ab | Determining the location of an object on a touch surface |
| JP5582622B2 (ja) | 2009-09-02 | 2014-09-03 | フラットフロッグ ラボラトリーズ アーベー | 補償信号プロファイルを有する接触面 |
| WO2011049512A1 (en) | 2009-10-19 | 2011-04-28 | Flatfrog Laboratories Ab | Touch surface with two-dimensional compensation |
| KR20120083915A (ko) | 2009-10-19 | 2012-07-26 | 플라트프로그 라보라토리즈 에이비 | 터치면 상의 하나 이상의 객체에 대한 터치 데이터를 결정하는 방법 |
| EP2517090A1 (en) | 2009-12-21 | 2012-10-31 | FlatFrog Laboratories AB | Touch surface with identification of reduced performance |
| TW201203052A (en) | 2010-05-03 | 2012-01-16 | Flatfrog Lab Ab | Touch determination by tomographic reconstruction |
-
2010
- 2010-10-13 EP EP10825282.6A patent/EP2491479B1/en not_active Not-in-force
- 2010-10-13 CN CN2010800468365A patent/CN102648445A/zh active Pending
- 2010-10-13 AU AU2010308594A patent/AU2010308594A1/en not_active Abandoned
- 2010-10-13 KR KR1020127012819A patent/KR20120083916A/ko not_active Withdrawn
- 2010-10-13 US US13/502,691 patent/US9024916B2/en active Active
- 2010-10-13 RU RU2012118595/08A patent/RU2012118595A/ru not_active Application Discontinuation
- 2010-10-13 JP JP2012534143A patent/JP2013508804A/ja active Pending
- 2010-10-13 WO PCT/SE2010/051103 patent/WO2011049511A1/en not_active Ceased
- 2010-10-13 CA CA2778153A patent/CA2778153A1/en not_active Abandoned
-
2012
- 2012-04-03 IL IL219030A patent/IL219030A0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN102648445A (zh) | 2012-08-22 |
| WO2011049511A1 (en) | 2011-04-28 |
| EP2491479A1 (en) | 2012-08-29 |
| CA2778153A1 (en) | 2011-04-28 |
| KR20120083916A (ko) | 2012-07-26 |
| AU2010308594A1 (en) | 2012-04-26 |
| US20120268403A1 (en) | 2012-10-25 |
| RU2012118595A (ru) | 2013-11-27 |
| EP2491479B1 (en) | 2018-10-03 |
| JP2013508804A (ja) | 2013-03-07 |
| EP2491479A4 (en) | 2014-09-03 |
| US9024916B2 (en) | 2015-05-05 |
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