GB2131544B - Optical postition location apparatus - Google Patents
Optical postition location apparatusInfo
- 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
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)
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)
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)
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)
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 |
-
1983
- 1983-12-05 GB GB08332416A patent/GB2131544B/en not_active Expired
- 1983-12-06 JP JP58229273A patent/JPS59119206A/ja active Pending
- 1983-12-06 FR FR8319461A patent/FR2539506A1/fr active Pending
- 1983-12-06 CH CH651883A patent/CH656731A5/fr not_active IP Right Cessation
- 1983-12-07 DE DE19833344312 patent/DE3344312A1/de not_active Withdrawn
Cited By (35)
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 |