EP4720829A1 - Schaltung für berührungsempfindliche vorrichtung und verfahren - Google Patents

Schaltung für berührungsempfindliche vorrichtung und verfahren

Info

Publication number
EP4720829A1
EP4720829A1 EP24729344.2A EP24729344A EP4720829A1 EP 4720829 A1 EP4720829 A1 EP 4720829A1 EP 24729344 A EP24729344 A EP 24729344A EP 4720829 A1 EP4720829 A1 EP 4720829A1
Authority
EP
European Patent Office
Prior art keywords
signal
received signal
circuitry
frequency
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.)
Pending
Application number
EP24729344.2A
Other languages
English (en)
French (fr)
Inventor
Stephen William Roberts
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.)
Touchnetix Ltd
Original Assignee
Touchnetix Ltd
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 Touchnetix Ltd filed Critical Touchnetix Ltd
Publication of EP4720829A1 publication Critical patent/EP4720829A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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
    • G06F3/04182—Filtering of noise external to the device and not generated by digitiser components
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
EP24729344.2A 2023-05-26 2024-05-14 Schaltung für berührungsempfindliche vorrichtung und verfahren Pending EP4720829A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2307911.4A GB2630380B (en) 2023-05-26 2023-05-26 Circuitry for touch-sensitive apparatus and method
PCT/GB2024/051251 WO2024246485A1 (en) 2023-05-26 2024-05-14 Circuitry for touch-sensitive apparatus and method

Publications (1)

Publication Number Publication Date
EP4720829A1 true EP4720829A1 (de) 2026-04-08

Family

ID=87060964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24729344.2A Pending EP4720829A1 (de) 2023-05-26 2024-05-14 Schaltung für berührungsempfindliche vorrichtung und verfahren

Country Status (3)

Country Link
EP (1) EP4720829A1 (de)
GB (1) GB2630380B (de)
WO (1) WO2024246485A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12399590B2 (en) * 2023-12-28 2025-08-26 Himax Technologies Limited Cascade touch control system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5496735B2 (ja) * 2010-03-30 2014-05-21 株式会社ワコム 指示体位置検出装置及び指示体位置検出方法
GB2594486B (en) * 2020-04-29 2023-04-12 Touchnetix Ltd Circuitry for touch-sensitive apparatus and method
KR102850821B1 (ko) * 2020-11-04 2025-08-26 삼성디스플레이 주식회사 터치 위치 검출 방법 및 표시 장치
KR102921695B1 (ko) * 2021-06-30 2026-02-04 엘지디스플레이 주식회사 터치 디스플레이 장치 및 터치 구동 회로

Also Published As

Publication number Publication date
GB202307911D0 (en) 2023-07-12
GB2630380B (en) 2025-08-06
WO2024246485A1 (en) 2024-12-05
GB2630380A (en) 2024-11-27

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