FR3086079B1 - Dispositif tactile multitouche a detection capacitive - Google Patents

Dispositif tactile multitouche a detection capacitive Download PDF

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Publication number
FR3086079B1
FR3086079B1 FR1858360A FR1858360A FR3086079B1 FR 3086079 B1 FR3086079 B1 FR 3086079B1 FR 1858360 A FR1858360 A FR 1858360A FR 1858360 A FR1858360 A FR 1858360A FR 3086079 B1 FR3086079 B1 FR 3086079B1
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FR
France
Prior art keywords
voltage
capacitive detection
touch device
matrix
key touch
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.)
Active
Application number
FR1858360A
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English (en)
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FR3086079A1 (fr
Inventor
Laurent Chadirac
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.)
Safran Electronics and Defense Cockpit Solutions SAS
Original Assignee
Zodiac Aero Electric SAS
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 Zodiac Aero Electric SAS filed Critical Zodiac Aero Electric SAS
Priority to FR1858360A priority Critical patent/FR3086079B1/fr
Priority to DE212019000378.8U priority patent/DE212019000378U1/de
Priority to US17/276,868 priority patent/US11687190B2/en
Priority to CN201980061013.0A priority patent/CN112771483A/zh
Priority to PCT/EP2019/074837 priority patent/WO2020058254A1/fr
Publication of FR3086079A1 publication Critical patent/FR3086079A1/fr
Application granted granted Critical
Publication of FR3086079B1 publication Critical patent/FR3086079B1/fr
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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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G06F3/04186—Touch location disambiguation
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger

Abstract

Dispositif (DIS) tactile multitouche à détection capacitive comprenant : - une matrice tactile (7) ; - des moyens de génération de tension (100) configurés pour générer pour chaque ligne (2) et chaque colonne (4) de ladite matrice (7) une première tension d'entrée ayant une première fréquence conduisant à une élaboration d'une première tension de sortie, caractérisé en ce qu'il comporte des moyens pour générer pour chaque intersection entre au moins deux lignes (2) et deux colonnes (4) de ladite matrice une deuxième tension d'entrée ayant une deuxième fréquence différente de ladite première fréquence conduisant à une élaboration d'une deuxième tension de sortie et, - des moyens de traitement (11) configurés pour déterminer, en fonction d'une première et d'une deuxième valeur de référence, si ladite première et ladite deuxième tension de sortie sont représentatives d'un appui et de sa position.
FR1858360A 2018-09-17 2018-09-17 Dispositif tactile multitouche a detection capacitive Active FR3086079B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR1858360A FR3086079B1 (fr) 2018-09-17 2018-09-17 Dispositif tactile multitouche a detection capacitive
DE212019000378.8U DE212019000378U1 (de) 2018-09-17 2019-09-17 Taktile Multitouch-Vorrichtung mit kapazitiver Erfassung
US17/276,868 US11687190B2 (en) 2018-09-17 2019-09-17 Multitouch touch device employing capacitive detection
CN201980061013.0A CN112771483A (zh) 2018-09-17 2019-09-17 采用电容检测的多点触控触摸装置
PCT/EP2019/074837 WO2020058254A1 (fr) 2018-09-17 2019-09-17 Dispositif tactile multitouche à détection capacitive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1858360A FR3086079B1 (fr) 2018-09-17 2018-09-17 Dispositif tactile multitouche a detection capacitive

Publications (2)

Publication Number Publication Date
FR3086079A1 FR3086079A1 (fr) 2020-03-20
FR3086079B1 true FR3086079B1 (fr) 2021-04-23

Family

ID=65201471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1858360A Active FR3086079B1 (fr) 2018-09-17 2018-09-17 Dispositif tactile multitouche a detection capacitive

Country Status (5)

Country Link
US (1) US11687190B2 (fr)
CN (1) CN112771483A (fr)
DE (1) DE212019000378U1 (fr)
FR (1) FR3086079B1 (fr)
WO (1) WO2020058254A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3117997A1 (fr) 2020-12-22 2022-06-24 Safran Electronics & Defense Interface homme-machine, notamment pour un véhicule ou pour un dispositif.

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Also Published As

Publication number Publication date
FR3086079A1 (fr) 2020-03-20
WO2020058254A1 (fr) 2020-03-26
US20210373735A1 (en) 2021-12-02
US11687190B2 (en) 2023-06-27
CN112771483A (zh) 2021-05-07
DE212019000378U1 (de) 2021-06-24

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