GB2171195B - Photoelectric touch panels - Google Patents

Photoelectric touch panels

Info

Publication number
GB2171195B
GB2171195B GB08602306A GB8602306A GB2171195B GB 2171195 B GB2171195 B GB 2171195B GB 08602306 A GB08602306 A GB 08602306A GB 8602306 A GB8602306 A GB 8602306A GB 2171195 B GB2171195 B GB 2171195B
Authority
GB
United Kingdom
Prior art keywords
touch panels
photoelectric touch
photoelectric
panels
touch
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
Application number
GB08602306A
Other languages
English (en)
Other versions
GB2171195A (en
GB8602306D0 (en
Inventor
Kazuo Hasegawa
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric 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
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of GB8602306D0 publication Critical patent/GB8602306D0/en
Publication of GB2171195A publication Critical patent/GB2171195A/en
Application granted granted Critical
Publication of GB2171195B publication Critical patent/GB2171195B/en
Expired legal-status Critical Current

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
    • 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

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)
  • Electronic Switches (AREA)
GB08602306A 1985-02-15 1986-01-30 Photoelectric touch panels Expired GB2171195B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985020130U JPH0325220Y2 (https=) 1985-02-15 1985-02-15

Publications (3)

Publication Number Publication Date
GB8602306D0 GB8602306D0 (en) 1986-03-05
GB2171195A GB2171195A (en) 1986-08-20
GB2171195B true GB2171195B (en) 1989-01-25

Family

ID=12018548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08602306A Expired GB2171195B (en) 1985-02-15 1986-01-30 Photoelectric touch panels

Country Status (5)

Country Link
US (1) US4837430A (https=)
JP (1) JPH0325220Y2 (https=)
KR (1) KR890008881Y1 (https=)
DE (1) DE3604731A1 (https=)
GB (1) GB2171195B (https=)

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US5565686A (en) * 1993-09-07 1996-10-15 Laser Score, Inc. Method and apparatus for detecting the presence and location of objects in a field via scanned optical beams
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US8200051B2 (en) * 2008-03-24 2012-06-12 Nitto Denko Corporation Apparatus using waveguide, optical touch panel, and method of fabricating waveguide
TWI406045B (zh) * 2008-06-30 2013-08-21 Ibm 具有ｓｍｔ元件作為光閘之光學接觸面板及在該面板上之形成光閘的方法
KR101554606B1 (ko) 2008-08-07 2015-10-06 랩트 아이피 리미티드 변조된 에미터를 가진 광학 제어 시스템
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EP2338104B1 (en) 2008-08-07 2018-06-06 Rapt IP Limited Method and apparatus for detecting a multitouch event in an optical touch-sensitive device
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KR101009278B1 (ko) 2008-10-02 2011-01-18 한국과학기술연구원 광 인식 사용자 입력 장치 및 사용자 입력 인식 방법
US9586135B1 (en) 2008-11-12 2017-03-07 David G. Capper Video motion capture for wireless gaming
US9383814B1 (en) 2008-11-12 2016-07-05 David G. Capper Plug and play wireless video game
US10086262B1 (en) 2008-11-12 2018-10-02 David G. Capper Video motion capture for wireless gaming
SE533704C2 (sv) 2008-12-05 2010-12-07 Flatfrog Lab Ab Pekkänslig apparat och förfarande för drivning av densamma
JP2013506213A (ja) * 2009-09-30 2013-02-21 ベイジン アイルタッチ システムズ カンパニー，リミティド タッチスクリーン、タッチシステム及びタッチシステムにおけるタッチオブジェクトの位置決定方法
KR101352117B1 (ko) * 2009-10-22 2014-01-14 엘지디스플레이 주식회사 터치 패널을 갖는 표시 장치 및 이의 터치 감지 방법
KR101055607B1 (ko) * 2010-02-18 2011-08-09 한국과학기술연구원 광신호를 이용한 터치인식장치 및 터치인식방법
KR101351421B1 (ko) * 2010-12-16 2014-01-14 엘지디스플레이 주식회사 광학식 터치 입력 장치 및 이의 구동 방법
EP2466429A1 (en) 2010-12-16 2012-06-20 FlatFrog Laboratories AB Scanning ftir systems for touch detection
EP2466428A3 (en) * 2010-12-16 2015-07-29 FlatFrog Laboratories AB Touch apparatus with separated compartments
US9170683B2 (en) 2011-07-22 2015-10-27 Rapt Ip Limited Optical coupler for use in an optical touch sensitive device
JP5943699B2 (ja) 2012-05-11 2016-07-05 スタンレー電気株式会社 光学式タッチパネル
US10168835B2 (en) 2012-05-23 2019-01-01 Flatfrog Laboratories Ab Spatial resolution in touch displays
US9524060B2 (en) 2012-07-13 2016-12-20 Rapt Ip Limited Low power operation of an optical touch-sensitive device for detecting multitouch events
WO2014168567A1 (en) 2013-04-11 2014-10-16 Flatfrog Laboratories Ab Tomographic processing for touch detection
WO2015005847A1 (en) 2013-07-12 2015-01-15 Flatfrog Laboratories Ab Partial detect mode
US10126882B2 (en) 2014-01-16 2018-11-13 Flatfrog Laboratories Ab TIR-based optical touch systems of projection-type
US10146376B2 (en) 2014-01-16 2018-12-04 Flatfrog Laboratories Ab Light coupling in TIR-based optical touch systems
US10161886B2 (en) 2014-06-27 2018-12-25 Flatfrog Laboratories Ab Detection of surface contamination
EP3250993B1 (en) 2015-01-28 2019-09-04 FlatFrog Laboratories AB Dynamic touch quarantine frames
US10318074B2 (en) 2015-01-30 2019-06-11 Flatfrog Laboratories Ab Touch-sensing OLED display with tilted emitters
WO2016130074A1 (en) 2015-02-09 2016-08-18 Flatfrog Laboratories Ab Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panel
US10401546B2 (en) 2015-03-02 2019-09-03 Flatfrog Laboratories Ab Optical component for light coupling
WO2017099657A1 (en) 2015-12-09 2017-06-15 Flatfrog Laboratories Ab Improved stylus identification
EP3545392A4 (en) 2016-11-24 2020-07-29 FlatFrog Laboratories AB AUTOMATIC TACTILE SIGNAL OPTIMIZATION
KR102495467B1 (ko) 2016-12-07 2023-02-06 플라트프로그 라보라토리즈 에이비 개선된 터치 장치
CN116679845A (zh) 2017-02-06 2023-09-01 平蛙实验室股份公司 触摸感测装置
EP3602257A4 (en) 2017-03-22 2021-01-13 Flatfrog Laboratories TOUCH INDICATOR ERASER
EP4036697B1 (en) 2017-03-28 2026-01-07 FlatFrog Laboratories AB Optical touch sensing apparatus
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
US12055969B2 (en) 2018-10-20 2024-08-06 Flatfrog Laboratories Ab Frame for a touch-sensitive device and tool therefor
US11943563B2 (en) 2019-01-25 2024-03-26 FlatFrog Laboratories, AB Videoconferencing terminal and method of operating the same
CN114730228A (zh) 2019-11-25 2022-07-08 平蛙实验室股份公司 一种触摸感应设备
WO2021158164A1 (en) 2020-02-08 2021-08-12 Flatfrog Laboratories Ab Touch apparatus with low latency interactions
KR102950284B1 (ko) 2020-02-10 2026-04-09 플라트프로그 라보라토리즈 에이비 향상된 터치-감지 장치

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US4507557A (en) * 1983-04-01 1985-03-26 Siemens Corporate Research & Support, Inc. Non-contact X,Y digitizer using two dynamic ram imagers

Also Published As

Publication number Publication date
DE3604731A1 (de) 1986-08-21
GB2171195A (en) 1986-08-20
JPS61138040U (https=) 1986-08-27
GB8602306D0 (en) 1986-03-05
US4837430A (en) 1989-06-06
KR890008881Y1 (en) 1989-12-09
JPH0325220Y2 (https=) 1991-05-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee