WO2021195984A1 - 触控装置、触控系统及其控制方法 - Google Patents
触控装置、触控系统及其控制方法 Download PDFInfo
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- WO2021195984A1 WO2021195984A1 PCT/CN2020/082496 CN2020082496W WO2021195984A1 WO 2021195984 A1 WO2021195984 A1 WO 2021195984A1 CN 2020082496 W CN2020082496 W CN 2020082496W WO 2021195984 A1 WO2021195984 A1 WO 2021195984A1
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- touch
- driving chip
- stylus
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- G—PHYSICS
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- 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
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- 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
- 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
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- G—PHYSICS
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- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- 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
- G06F3/0441—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for receiving changes in electrical potential transmitted by the digitiser, e.g. tablet driving signals
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- 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
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- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04108—Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
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- G06F3/04162—Control or interface arrangements specially adapted for digitisers for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Input By Displaying (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
Description
Claims (13)
- 一种触控装置,其中,包括:触控屏,包括:多个触控电极,以及分别与各所述触控电极对应的多个开关电路;驱动芯片,与所述触控屏绑定连接;所述触控电极通过对应的所述开关电路与所述驱动芯片耦接;所述驱动芯片,被配置为在触控笔与所述触控屏进行交互的时间段,根据各所述触控电极的电容值,确定所述触控屏被干扰物体接触并确定干扰区域,则通过所述开关电路将所述干扰区域内的各所述触控电极与所述驱动芯片断开。
- 如权利要求1所述的触控装置,其中,所述开关电路,包括:至少两个第一开关晶体管;所述第一开关晶体管的输入端与所述驱动芯片耦接,输出端与所述触控电极耦接。
- 如权利要求2所述的触控装置,其中,所述开关电路,还包括:第二开关晶体管;所述第二开关晶体管的输入端与所述驱动芯片耦接,输出端与属于同一所述开关电路内的各所述第一开关晶体管的输入端耦接。
- 如权利要求1~3任一项所述的触控装置,其中,所述驱动芯片,包括:多个处理器;所述处理器,被配置为将模拟信号转换为数字信号;所述处理器与所述开关电路耦接。
- 如权利要求4所述的触控装置,其中,多个所述处理器分别与各所述开关电路一一对应耦接。
- 如权利要求4所述的触控装置,其中,一个所述开关电路与至少两个所述处理器耦接。
- 一种触控系统,其中,包括:如权利要求1~6任一项所述的触控装置,以及与所述触控装置匹配的触控笔。
- 一种如权利要求7所述的触控系统的控制方法,其中,包括:在触控笔与触控屏进行交互的时间段,驱动芯片根据各触控电极的电容值,确定所述触控屏被干扰物体接触并确定干扰区域;所述驱动芯片通过开关电路将所述干扰区域内的各所述触控电极与所述驱动芯片断开。
- 如权利要求8所述的控制方法,其中,所述开关电路包括至少两个第一开关晶体管;所述驱动芯片通过开关电路将所述干扰区域内的各所述触控电极与所述驱动芯片断开,包括:所述驱动芯片控制所述干扰区域内的各所述接触电极对应的所述第一开关晶体管断开。
- 如权利要求8所述的控制方法,其中,所述开关电路包括至少两个第一开关晶体管及第二开关晶体管;所述驱动芯片通过开关电路将所述干扰区域内的各所述触控电极与所述驱动芯片断开,包括:所述开关电路对应的各所述接触电极均在所述干扰区域内,则所述驱动芯片控制该开关电路中的所述第二开关晶体管断开;和/或,所述开关电路对应的部分所述接触电极在所述干扰区域内,则所述驱动芯片控制该开关电路中的所述第二开关晶体管导通,控制所述干扰区域内的所述接触电极对应的所述第一开关晶体管断开。
- 如权利要求8所述的控制方法,其中,还包括:所述驱动芯片向各所述触控电极发出握手信号;所述触控笔接收到所述握手信号后,向所述触控电极反馈激励信号;所述驱动芯片根据各所述接触电极接收到的所述激励信号,确定所述触控笔与所述触控屏的接触位置,并获得所述触控笔的滑动轨迹。
- 如权利要求11所述的控制方法,其中,所述驱动芯片向各所述触控电极发出握手信号,包括:所述驱动芯片逐帧地向各所述触控电极发出所述握手信号。
- 如权利要求12所述的控制方法,其中,所述触控笔接收到所述握手信号后,向所述触控电极反馈激励信号,包括:所述触控笔接收到所述握手信号后,至少连续两帧向所述触控电极反馈所述激励信号,且所述触控笔每帧反馈一次所述激励信号。
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PCT/CN2020/082496 WO2021195984A1 (zh) | 2020-03-31 | 2020-03-31 | 触控装置、触控系统及其控制方法 |
CN202080000452.3A CN113748404B (zh) | 2020-03-31 | 2020-03-31 | 触控装置、触控系统及其控制方法 |
US17/258,153 US11520437B2 (en) | 2020-03-31 | 2020-03-31 | Touch device having switch circuits controlling between touch electrodes and drive chip, touch system and control method thereof |
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Citations (5)
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US20130300672A1 (en) * | 2012-05-11 | 2013-11-14 | Research In Motion Limited | Touch screen palm input rejection |
CN103577008A (zh) * | 2012-08-08 | 2014-02-12 | 乐金显示有限公司 | 具有触摸屏的显示装置及其驱动方法 |
US20160266673A1 (en) * | 2015-03-09 | 2016-09-15 | Stmicroelectronics Asia Pacific Pte Ltd | Touch rejection for communication between a touch screen device and an active stylus |
CN107066136A (zh) * | 2015-12-17 | 2017-08-18 | 株式会社和冠 | 触摸面板、信号处理装置和耦接方法 |
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KR101773612B1 (ko) * | 2011-01-13 | 2017-08-31 | 삼성전자주식회사 | 터치 영역 확인 장치 및 방법 |
CN103413538B (zh) * | 2013-08-27 | 2016-01-06 | 信利半导体有限公司 | 笔段式液晶显示器驱动电路及驱动方法 |
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2020
- 2020-03-31 WO PCT/CN2020/082496 patent/WO2021195984A1/zh active Application Filing
- 2020-03-31 CN CN202080000452.3A patent/CN113748404B/zh active Active
- 2020-03-31 US US17/258,153 patent/US11520437B2/en active Active
Patent Citations (5)
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US20130300672A1 (en) * | 2012-05-11 | 2013-11-14 | Research In Motion Limited | Touch screen palm input rejection |
CN102722274A (zh) * | 2012-05-29 | 2012-10-10 | 苏州瀚瑞微电子有限公司 | 一种触控笔系统 |
CN103577008A (zh) * | 2012-08-08 | 2014-02-12 | 乐金显示有限公司 | 具有触摸屏的显示装置及其驱动方法 |
US20160266673A1 (en) * | 2015-03-09 | 2016-09-15 | Stmicroelectronics Asia Pacific Pte Ltd | Touch rejection for communication between a touch screen device and an active stylus |
CN107066136A (zh) * | 2015-12-17 | 2017-08-18 | 株式会社和冠 | 触摸面板、信号处理装置和耦接方法 |
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CN113748404A (zh) | 2021-12-03 |
US11520437B2 (en) | 2022-12-06 |
CN113748404B (zh) | 2023-01-10 |
US20220137784A1 (en) | 2022-05-05 |
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