GB2131544B - Optical postition location apparatus - Google Patents

Optical postition location apparatus

Info

Publication number
GB2131544B
GB2131544B GB08332416A GB8332416A GB2131544B GB 2131544 B GB2131544 B GB 2131544B GB 08332416 A GB08332416 A GB 08332416A GB 8332416 A GB8332416 A GB 8332416A GB 2131544 B GB2131544 B GB 2131544B
Authority
GB
United Kingdom
Prior art keywords
postition
optical
location apparatus
location
postition location
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
GB08332416A
Other languages
English (en)
Other versions
GB8332416D0 (en
GB2131544A (en
Inventor
Timothy Thomas Tutt
Richard Allen Karlin
John Raymond Krutsch
Gordon Alan Barlow
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.)
LOWBAR Inc
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 GB8332416D0 publication Critical patent/GB8332416D0/en
Publication of GB2131544A publication Critical patent/GB2131544A/en
Application granted granted Critical
Publication of GB2131544B publication Critical patent/GB2131544B/en
Expired 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
    • G06F3/0421—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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Position Input By Displaying (AREA)
GB08332416A 1982-12-07 1983-12-05 Optical postition location apparatus Expired GB2131544B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8332416D0 GB8332416D0 (en) 1984-01-11
GB2131544A GB2131544A (en) 1984-06-20
GB2131544B true GB2131544B (en) 1986-03-05

Family

ID=23776576

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08332416A Expired GB2131544B (en) 1982-12-07 1983-12-05 Optical postition location apparatus

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 (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9874978B2 (en) 2013-07-12 2018-01-23 Flatfrog Laboratories Ab Partial detect mode
US10019113B2 (en) 2013-04-11 2018-07-10 Flatfrog Laboratories Ab Tomographic processing for touch detection
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
US10168835B2 (en) 2012-05-23 2019-01-01 Flatfrog Laboratories Ab Spatial resolution in touch displays
US10282035B2 (en) 2016-12-07 2019-05-07 Flatfrog Laboratories Ab Touch device
US10318074B2 (en) 2015-01-30 2019-06-11 Flatfrog Laboratories Ab Touch-sensing OLED display with tilted emitters
US10401546B2 (en) 2015-03-02 2019-09-03 Flatfrog Laboratories Ab Optical component for light coupling
US10437389B2 (en) 2017-03-28 2019-10-08 Flatfrog Laboratories Ab Touch sensing apparatus and method for assembly
US10474249B2 (en) 2008-12-05 2019-11-12 Flatfrog Laboratories Ab Touch sensing apparatus and method of operating the same
US10481737B2 (en) 2017-03-22 2019-11-19 Flatfrog Laboratories Ab Pen differentiation for touch display
US10496227B2 (en) 2015-02-09 2019-12-03 Flatfrog Laboratories Ab Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panel
US10761657B2 (en) 2016-11-24 2020-09-01 Flatfrog Laboratories Ab Automatic optimisation of touch signal
US11182023B2 (en) 2015-01-28 2021-11-23 Flatfrog Laboratories Ab Dynamic touch quarantine frames
US11256371B2 (en) 2017-09-01 2022-02-22 Flatfrog Laboratories Ab Optical component
US11301089B2 (en) 2015-12-09 2022-04-12 Flatfrog Laboratories Ab Stylus identification
US11474644B2 (en) 2017-02-06 2022-10-18 Flatfrog Laboratories Ab Optical coupling in touch-sensing systems
US11567610B2 (en) 2018-03-05 2023-01-31 Flatfrog Laboratories Ab Detection line broadening
US11893189B2 (en) 2020-02-10 2024-02-06 Flatfrog Laboratories Ab Touch-sensing apparatus
US11943563B2 (en) 2019-01-25 2024-03-26 FlatFrog Laboratories, AB Videoconferencing terminal and method of operating the same

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220409A (en) * 1988-12-19 1993-06-15 Amp Incorporated Light beam detection utilizing hologram
US4986662A (en) * 1988-12-19 1991-01-22 Amp Incorporated Touch entry using discrete reflectors
GB2275770A (en) * 1993-03-04 1994-09-07 Augustine Kamugisha Tibazarwa X-Y position based on reflected light
WO2007135960A1 (ja) * 2006-05-18 2007-11-29 Panasonic Corporation 面状光源装置及び液晶表示装置
US8716614B2 (en) 2007-10-10 2014-05-06 Flatfrog Laboratories Ab Touch pad and a method of operating the touch pad
WO2010006885A2 (en) * 2008-06-23 2010-01-21 Flatfrog Laboratories Ab Detecting the location of an object 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
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
TWI405109B (zh) 2009-07-03 2013-08-11 Pixart Imaging Inc 光學式觸控顯示裝置
US8540400B2 (en) 2009-07-16 2013-09-24 O-Net Wavetouch Limited Encoding device and a method of encoding
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
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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 (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10474249B2 (en) 2008-12-05 2019-11-12 Flatfrog Laboratories Ab Touch sensing apparatus and method of operating the same
US10168835B2 (en) 2012-05-23 2019-01-01 Flatfrog Laboratories Ab Spatial resolution in touch displays
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
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
US11182023B2 (en) 2015-01-28 2021-11-23 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
US11029783B2 (en) 2015-02-09 2021-06-08 Flatfrog Laboratories Ab Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panel
US10496227B2 (en) 2015-02-09 2019-12-03 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
US11301089B2 (en) 2015-12-09 2022-04-12 Flatfrog Laboratories Ab Stylus identification
US10761657B2 (en) 2016-11-24 2020-09-01 Flatfrog Laboratories Ab Automatic optimisation of touch signal
US11579731B2 (en) 2016-12-07 2023-02-14 Flatfrog Laboratories Ab Touch device
US10775935B2 (en) 2016-12-07 2020-09-15 Flatfrog Laboratories Ab Touch device
US10282035B2 (en) 2016-12-07 2019-05-07 Flatfrog Laboratories Ab Touch device
US11281335B2 (en) 2016-12-07 2022-03-22 Flatfrog Laboratories Ab Touch device
US11740741B2 (en) 2017-02-06 2023-08-29 Flatfrog Laboratories Ab Optical coupling in touch-sensing systems
US11474644B2 (en) 2017-02-06 2022-10-18 Flatfrog Laboratories Ab Optical coupling in touch-sensing systems
US10606414B2 (en) 2017-03-22 2020-03-31 Flatfrog Laboratories Ab Eraser for touch displays
US11016605B2 (en) 2017-03-22 2021-05-25 Flatfrog Laboratories Ab Pen differentiation for touch displays
US10481737B2 (en) 2017-03-22 2019-11-19 Flatfrog Laboratories Ab Pen differentiation for touch display
US11099688B2 (en) 2017-03-22 2021-08-24 Flatfrog Laboratories Ab Eraser for touch displays
US11269460B2 (en) 2017-03-28 2022-03-08 Flatfrog Laboratories Ab Touch sensing apparatus and method for assembly
US11281338B2 (en) 2017-03-28 2022-03-22 Flatfrog Laboratories Ab Touch sensing apparatus and method for assembly
US10437389B2 (en) 2017-03-28 2019-10-08 Flatfrog Laboratories Ab Touch sensing apparatus and method for assembly
US10845923B2 (en) 2017-03-28 2020-11-24 Flatfrog Laboratories Ab Touch sensing apparatus and method for assembly
US10606416B2 (en) 2017-03-28 2020-03-31 Flatfrog Laboratories Ab Touch sensing apparatus and method for assembly
US10739916B2 (en) 2017-03-28 2020-08-11 Flatfrog Laboratories Ab Touch sensing apparatus and method for assembly
US11256371B2 (en) 2017-09-01 2022-02-22 Flatfrog Laboratories Ab Optical component
US11650699B2 (en) 2017-09-01 2023-05-16 Flatfrog Laboratories Ab Optical component
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
US11893189B2 (en) 2020-02-10 2024-02-06 Flatfrog Laboratories Ab Touch-sensing apparatus

Also Published As

Publication number Publication date
CH656731A5 (fr) 1986-07-15
GB8332416D0 (en) 1984-01-11
GB2131544A (en) 1984-06-20
FR2539506A1 (fr) 1984-07-20
JPS59119206A (ja) 1984-07-10
DE3344312A1 (de) 1984-07-19

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Legal Events

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