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1. WO2020070261 - METHOD FOR DETECTING CONTACT AGAINST A SCREEN

Publication Number WO/2020/070261
Publication Date 09.04.2020
International Application No. PCT/EP2019/076852
International Filing Date 03.10.2019
IPC
G06F 3/042 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
042by opto-electronic means
A63B 63/00 2006.01
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
63Targets or goals for ball games
CPC
A63B 2220/805
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
2220Measuring of physical parameters relating to sporting activity
80Special sensors, transducers or devices therefor
805Optical or opto-electronic sensors
A63B 63/004
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
63Targets or goals for ball games
004Goals of the type used for football, handball, hockey or the like
G06F 3/0425
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input 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
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
042by opto-electronic means
0425using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
Applicants
  • PIXMINDS [FR]/[FR]
Inventors
  • CHATAIGNIER, Lionel
  • CHATAIGNIER, Geoffrey
  • GIORGIS, Léo
  • LOI, Hugo
Agents
  • AIVAZIAN, Denis
  • MOREAU, Stéphane
Priority Data
185919504.10.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) METHOD FOR DETECTING CONTACT AGAINST A SCREEN
(FR) PROCEDE DE DETECTION D'UN CONTACT CONTRE UN ECRAN
Abstract
(EN)
A method for detecting contact of an object (7) against a transparent or translucent screen (2), the detection method comprising: a step of emitting infrared rays in a first half-space (DE1) on a first side (C1) of the screen (2); next, a step of detecting an infrared image (12), by an infrared camera (4), the infrared image (12) being derived from the reflection of the infrared rays against the object (7), the object (7) being positioned on the first side (C1) of the screen (2) and the infrared camera (4) being positioned on a second side (C2) of the screen (2), opposite the first side (C1) of the screen (2); next, a step of detecting a hole within the infrared image (12).
(FR)
Procédé de détection du contact d'un objet (7) contre un écran (2) transparent ou translucide, le procédé de détection comprenant : une étape d'émission de rayons infrarouges dans un premier demi- espace (DE1) d'un premier côté (C1) de l'écran (2); puis une étape de détection par une caméra infrarouge (4) d'une image infrarouge (12), l'image infrarouge (12) étant issue de la réflexion des rayons infrarouges contre ledit objet (7), ledit objet (7) étant positionné du premier côté (C1 ) de l'écran (2) et la caméra infrarouge (4) étant positionnée d'un deuxième côté (C2) de l'écran (2), opposé au premier côté (C1) de l'écran (2); puis une étape de détection d'un trou à l'intérieur de l'image infrarouge (12).
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