CH656731A5 - Appareil de localisation optique de position. - Google Patents

Appareil de localisation optique de position. Download PDF

Info

Publication number
CH656731A5
CH656731A5 CH651883A CH651883A CH656731A5 CH 656731 A5 CH656731 A5 CH 656731A5 CH 651883 A CH651883 A CH 651883A CH 651883 A CH651883 A CH 651883A CH 656731 A5 CH656731 A5 CH 656731A5
Authority
CH
Switzerland
Prior art keywords
radiant energy
light
location
detector
optical
Prior art date
Application number
CH651883A
Other languages
English (en)
French (fr)
Inventor
Gordon Alan Barlow
Timothy Thomas Tutt
Richard Allen Karlin
John Raymond Krutsch
Original Assignee
Lowbar Inc
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 Lowbar Inc filed Critical Lowbar Inc
Publication of CH656731A5 publication Critical patent/CH656731A5/fr

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
    • G06F3/0421—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
    • G06F3/0423—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 using sweeping light beams, e.g. using rotating or vibrating mirror
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Position Input By Displaying (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH651883A 1982-12-07 1983-12-06 Appareil de localisation optique de position. CH656731A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44748782A 1982-12-07 1982-12-07

Publications (1)

Publication Number Publication Date
CH656731A5 true CH656731A5 (fr) 1986-07-15

Family

ID=23776576

Family Applications (1)

Application Number Title Priority Date Filing Date
CH651883A CH656731A5 (fr) 1982-12-07 1983-12-06 Appareil de localisation optique de position.

Country Status (5)

Country Link
JP (1) JPS59119206A (ja)
CH (1) CH656731A5 (ja)
DE (1) DE3344312A1 (ja)
FR (1) FR2539506A1 (ja)
GB (1) GB2131544B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102576266A (zh) * 2009-07-16 2012-07-11 Opdi科技股份有限公司 对物体的位置编码的装置、系统以及方法

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US4986662A (en) * 1988-12-19 1991-01-22 Amp Incorporated Touch entry using discrete reflectors
US5220409A (en) * 1988-12-19 1993-06-15 Amp Incorporated Light beam detection utilizing hologram
GB2275770A (en) * 1993-03-04 1994-09-07 Augustine Kamugisha Tibazarwa X-Y position based on reflected light
US7823785B2 (en) 2006-05-18 2010-11-02 Panasonic Corporation Planar light source device and liquid crystal display device
US8716614B2 (en) 2007-10-10 2014-05-06 Flatfrog Laboratories Ab Touch pad and a method of operating the touch pad
US8542217B2 (en) 2008-06-23 2013-09-24 Flatfrog Laboratories Ab Optical touch detection using input and output beam scanners
TW201007530A (en) 2008-06-23 2010-02-16 Flatfrog Lab 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
TW201001258A (en) * 2008-06-23 2010-01-01 Flatfrog Lab Ab Determining the location of one or more objects on a touch surface
SE533704C2 (sv) 2008-12-05 2010-12-07 Flatfrog Lab Ab Pekkänslig apparat och förfarande för drivning av densamma
TWI405109B (zh) 2009-07-03 2013-08-11 Pixart Imaging Inc 光學式觸控顯示裝置
WO2011006499A1 (en) * 2009-07-16 2011-01-20 Opdi Technologies A/S An encoding device and a method of encoding
CN102012768B (zh) * 2009-09-08 2014-07-02 原相科技股份有限公司 光学式触控显示装置
US10168835B2 (en) 2012-05-23 2019-01-01 Flatfrog Laboratories Ab Spatial resolution in touch displays
WO2014168567A1 (en) 2013-04-11 2014-10-16 Flatfrog Laboratories Ab Tomographic processing for touch detection
US9874978B2 (en) 2013-07-12 2018-01-23 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
WO2015199602A1 (en) 2014-06-27 2015-12-30 Flatfrog Laboratories Ab Detection of surface contamination
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
EP3256936A4 (en) 2015-02-09 2018-10-17 FlatFrog Laboratories AB Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panel
CN107250855A (zh) 2015-03-02 2017-10-13 平蛙实验室股份公司 用于光耦合的光学部件
CN108369470B (zh) 2015-12-09 2022-02-08 平蛙实验室股份公司 改进的触控笔识别
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
US10963104B2 (en) 2017-02-06 2021-03-30 Flatfrog Laboratories Ab Optical coupling in touch-sensing systems
WO2018174786A1 (en) 2017-03-22 2018-09-27 Flatfrog Laboratories Pen differentiation for touch displays
EP4036697A1 (en) 2017-03-28 2022-08-03 FlatFrog Laboratories AB Optical touch sensing apparatus
CN117311543A (zh) 2017-09-01 2023-12-29 平蛙实验室股份公司 触摸感测设备
US11567610B2 (en) 2018-03-05 2023-01-31 Flatfrog Laboratories Ab Detection line broadening
US11943563B2 (en) 2019-01-25 2024-03-26 FlatFrog Laboratories, AB Videoconferencing terminal and method of operating the same
JP2023512682A (ja) 2020-02-10 2023-03-28 フラットフロッグ ラボラトリーズ アーベー 改良型タッチ検知装置

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US3622226A (en) * 1969-11-19 1971-11-23 Rca Corp Liquid crystal cells in a linear array
US3761877A (en) * 1970-12-21 1973-09-25 O Fernald Optical graphic data tablet
US3775560A (en) * 1972-02-28 1973-11-27 Univ Illinois Infrared light beam x-y position encoder for display devices
US3764813A (en) * 1972-04-12 1973-10-09 Bell Telephone Labor Inc Coordinate detection system
US3860754A (en) * 1973-05-07 1975-01-14 Univ Illinois Light beam position encoder apparatus
US4193691A (en) * 1977-05-02 1980-03-18 Rca Corporation Spectrometer
US4144449A (en) * 1977-07-08 1979-03-13 Sperry Rand Corporation Position detection apparatus
DE3018452C2 (de) * 1980-05-14 1983-11-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Faksimile-Schreibeinrichtung
DE3025318C2 (de) * 1980-07-04 1982-05-19 Hewlett-Packard France S.A., Eybens Sensor-Matrix für Bildschirme
US4420261A (en) * 1980-09-02 1983-12-13 Lowbar, Inc. Optical position location apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102576266A (zh) * 2009-07-16 2012-07-11 Opdi科技股份有限公司 对物体的位置编码的装置、系统以及方法
US9069124B2 (en) 2009-07-16 2015-06-30 O-Net Wavetouch Limited Device, a system and a method of encoding a position of an object
CN102576266B (zh) * 2009-07-16 2015-09-30 昂纳光波触摸有限公司 对物体的位置编码的装置、系统以及方法

Also Published As

Publication number Publication date
FR2539506A1 (fr) 1984-07-20
JPS59119206A (ja) 1984-07-10
GB2131544B (en) 1986-03-05
GB8332416D0 (en) 1984-01-11
DE3344312A1 (de) 1984-07-19
GB2131544A (en) 1984-06-20

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