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1. WO2022003683 - A TOUCHSCREEN

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Publication Number WO/2022/003683
Publication Date 06.01.2022
International Application No. PCT/IL2021/050799
International Filing Date 29.06.2021
IPC
G06F 3/042 2006.1
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
G06F 3/03 2006.1
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
CPC
G06F 1/1643
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
1Details not covered by groups G06F3/00 – G06F13/00 and G06F21/00
16Constructional details or arrangements
1613for portable computers
1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
1637Details related to the display arrangement, including those related to the mounting of the display in the housing
1643the display being associated to a digitizer, e.g. laptops that can be used as penpads
G06F 3/0308
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
0304Detection arrangements using opto-electronic means
0308comprising a plurality of distinctive and separately oriented light emitters or reflectors associated to the pointing device, e.g. remote cursor controller with distinct and separately oriented LEDs at the tip whose radiations are captured by a photo-detector associated to the screen
G06F 3/038
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
033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
038Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
G06F 3/0421
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
0421by interrupting or reflecting a light beam, e.g. optical touch-screen
G06F 3/0428
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
0428by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual
Applicants
  • ELBIT SYSTEMS LTD. [IL]/[IL]
Inventors
  • LEVIN, Samuel
Agents
  • GOLDRAICH, Marganit
  • GOLDRAICH, Marganit
Priority Data
27580701.07.2020IL
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) A TOUCHSCREEN
(FR) ÉCRAN TACTILE
front page image
Abstract
(EN) A touch screen (TS) is provided that comprises a display; a frame with edges positioned opposite each other around the display; at least a first sensor array and at least a second sensor array, wherein each of the sensor arrays has a plurality of light transmitters and a plurality of light sensors, and wherein the at least first sensor array and the at least second sensor array are disposed on the first edge and the second edge of the frame, respectively, wherein the transmitters of the first sensor array are facing the light sensors on the second sensor array positioned on two opposing edges of the frame; and at least one physical obstacle located on the third edge or the fourth edge, for reducing stray light scattered or reflected by third edge or the fourth edge and arriving to the light sensors.
(FR) L'invention concerne un écran tactile (TS) qui comprend un dispositif d'affichage ; un cadre possédant des bords positionnés à l'opposé l'un de l'autre autour du dispositif d'affichage ; au moins un premier ensemble de capteurs et au moins un second ensemble de capteurs, chacun des ensembles de capteurs ayant une pluralité d'émetteurs de lumière et une pluralité de capteurs de lumière, et ledit premier ensemble de capteurs et ledit second ensemble de capteurs étant disposés sur le premier bord et le deuxième bord du cadre, respectivement, les émetteurs du premier ensemble de capteurs faisant face aux capteurs de lumière sur le second ensemble de capteurs positionnés sur deux bords opposés du cadre ; au moins un obstacle physique situé sur le troisième bord ou le quatrième bord, afin de réduire la lumière parasite diffusée ou réfléchie par le troisième bord ou le quatrième bord et atteignant les capteurs de lumière.
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