FR2617620B1 - Ecran tactile de type optique - Google Patents
Ecran tactile de type optiqueInfo
- Publication number
- FR2617620B1 FR2617620B1 FR8709385A FR8709385A FR2617620B1 FR 2617620 B1 FR2617620 B1 FR 2617620B1 FR 8709385 A FR8709385 A FR 8709385A FR 8709385 A FR8709385 A FR 8709385A FR 2617620 B1 FR2617620 B1 FR 2617620B1
- Authority
- FR
- France
- Prior art keywords
- touch screen
- type touch
- optical type
- optical
- screen
- 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 - Fee Related
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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8709385A FR2617620B1 (fr) | 1987-07-02 | 1987-07-02 | Ecran tactile de type optique |
EP88401683A EP0298837A1 (fr) | 1987-07-02 | 1988-06-30 | Dispositif de montage d'écran tactile de type optique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8709385A FR2617620B1 (fr) | 1987-07-02 | 1987-07-02 | Ecran tactile de type optique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2617620A1 FR2617620A1 (fr) | 1989-01-06 |
FR2617620B1 true FR2617620B1 (fr) | 1992-09-25 |
Family
ID=9352797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8709385A Expired - Fee Related FR2617620B1 (fr) | 1987-07-02 | 1987-07-02 | Ecran tactile de type optique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2617620B1 (fr) |
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 (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004081502A2 (fr) | 2003-03-12 | 2004-09-23 | O-Pen Aps | Systeme et procede de determination de la position d'un element emetteur de rayonnement |
WO2005026938A2 (fr) | 2003-09-12 | 2005-03-24 | O-Pen Aps | Systeme et procede pour determiner la position d'un element de diffusion/reflexion de rayonnement |
WO2005026930A2 (fr) | 2003-09-12 | 2005-03-24 | O-Pen Aps | Systeme et procede permettant de determiner une position d'un element emetteur de rayonnement |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4078151A (en) * | 1976-10-18 | 1978-03-07 | Wisconsin Alumni Research Foundation | Electronic graphics pad |
US4305071A (en) * | 1980-04-16 | 1981-12-08 | Bell Telephone Laboratories, Incorporated | Touch sensitive screen signal detection arrangement |
FR2554261B1 (fr) * | 1983-10-28 | 1987-04-30 | Thomson Csf | Dispositif sensitif d'affichage comportant un ecran a balayage |
US4816811A (en) * | 1985-03-25 | 1989-03-28 | American Telephone And Telegraph Company | Compliant overlay for use as an optically-based touch-sensitive screen |
US4707689A (en) * | 1985-03-25 | 1987-11-17 | AT&T Information Systems Inc. American Telephone & Telegraph Company | Adaptive thresholding scheme for optically-based touch screens |
-
1987
- 1987-07-02 FR FR8709385A patent/FR2617620B1/fr not_active Expired - Fee Related
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 |
US11281335B2 (en) | 2016-12-07 | 2022-03-22 | Flatfrog Laboratories Ab | Touch device |
US10775935B2 (en) | 2016-12-07 | 2020-09-15 | Flatfrog Laboratories Ab | Touch device |
US11579731B2 (en) | 2016-12-07 | 2023-02-14 | Flatfrog Laboratories Ab | Touch device |
US10282035B2 (en) | 2016-12-07 | 2019-05-07 | 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 |
US10606416B2 (en) | 2017-03-28 | 2020-03-31 | 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 |
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 |
---|---|
FR2617620A1 (fr) | 1989-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |