CN112074803A - 信号传输方法、***、主动笔、触控屏和可读存储介质 - Google Patents

信号传输方法、***、主动笔、触控屏和可读存储介质 Download PDF

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Publication number
CN112074803A
CN112074803A CN201980000474.7A CN201980000474A CN112074803A CN 112074803 A CN112074803 A CN 112074803A CN 201980000474 A CN201980000474 A CN 201980000474A CN 112074803 A CN112074803 A CN 112074803A
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CN
China
Prior art keywords
signal
dsss
circuit
resistor
touch screen
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Pending
Application number
CN201980000474.7A
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English (en)
Inventor
张冠军
唐玲裕
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.)
Shenzhen Goodix Technology Co Ltd
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Shenzhen Goodix Technology Co Ltd
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Filing date
Publication date
Application filed by Shenzhen Goodix Technology Co Ltd filed Critical Shenzhen Goodix Technology Co Ltd
Publication of CN112074803A publication Critical patent/CN112074803A/zh
Pending legal-status Critical Current

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    • 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
    • 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
    • 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
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0383—Signal control means within the pointing device
    • 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
    • G06F3/04162—Control or interface arrangements specially adapted for digitisers for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
    • 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
    • G06F3/0441—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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

本申请部分实施例提供了一种信号传输方法、***、主动笔、触控屏和可读存储介质。信号传输方法包括：通过主动笔与触控屏之间形成的耦合电容接收触控屏发送的DSSS信号(201)；其中，所述DSSS信号为经过扩频编码的待传输信号；对接收的DSSS信号进行解析，得到待传输信号(202)，所需硬件资源少，功耗低，能够很好的适用于主动笔触控***中。

Description

PCT国内申请，说明书已公开。

Claims (23)

  1. PCT国内申请，权利要求书已公开。
CN201980000474.7A 2019-03-25 2019-03-25 信号传输方法、***、主动笔、触控屏和可读存储介质 Pending CN112074803A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/079550 WO2020191585A1 (zh) 2019-03-25 2019-03-25 信号传输方法、***、主动笔、触控屏和可读存储介质

Publications (1)

Publication Number Publication Date
CN112074803A true CN112074803A (zh) 2020-12-11

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CN201980000474.7A Pending CN112074803A (zh) 2019-03-25 2019-03-25 信号传输方法、***、主动笔、触控屏和可读存储介质

Country Status (4)

Country Link
US (1) US11106318B2 (zh)
EP (1) EP3764203B1 (zh)
CN (1) CN112074803A (zh)
WO (1) WO2020191585A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022165839A1 (zh) * 2021-02-08 2022-08-11 深圳市汇顶科技股份有限公司 抗干扰的方法、触控芯片及主动笔芯片
CN116048289A (zh) * 2022-08-25 2023-05-02 荣耀终端有限公司 手写笔的出水控制方法及电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103941889A (zh) * 2014-03-17 2014-07-23 汉王科技股份有限公司 电容笔、电容触控面板和触控装置
CN105468170A (zh) * 2014-08-13 2016-04-06 比亚迪股份有限公司 电容笔与触摸屏之间的数据传输方法、***和装置
CN107066122A (zh) * 2015-12-31 2017-08-18 乐金显示有限公司 有源触控笔、触摸感测***及其驱动方法
WO2018035843A1 (zh) * 2016-08-26 2018-03-01 深圳市汇顶科技股份有限公司 信号发射方法、信号解析方法、主动笔及触控屏

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203084673U (zh) * 2013-01-23 2013-07-24 成都有形科技有限公司 主动式电容笔
US11392221B2 (en) * 2013-11-08 2022-07-19 Egalax_Empia Technology Inc. Touch sensitive processing apparatus, system and operating method thereof for receiving electrical signals carrying pressure information
JP6445883B2 (ja) * 2015-01-30 2018-12-26 東芝メモリ株式会社 受信回路及び通信システム
TWI563418B (en) * 2015-10-16 2016-12-21 Waltop Int Corp Signal decoding and modulation processing system for capacitive stylus
US10324547B2 (en) * 2015-12-31 2019-06-18 Lg Display Co., Ltd. Active stylus pen, touch sensing system and driving method thereof
CN109521893B (zh) * 2018-10-17 2022-11-25 京东方科技集团股份有限公司 触控笔、触控面板、触控感测***及其控制方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103941889A (zh) * 2014-03-17 2014-07-23 汉王科技股份有限公司 电容笔、电容触控面板和触控装置
CN105468170A (zh) * 2014-08-13 2016-04-06 比亚迪股份有限公司 电容笔与触摸屏之间的数据传输方法、***和装置
CN107066122A (zh) * 2015-12-31 2017-08-18 乐金显示有限公司 有源触控笔、触摸感测***及其驱动方法
WO2018035843A1 (zh) * 2016-08-26 2018-03-01 深圳市汇顶科技股份有限公司 信号发射方法、信号解析方法、主动笔及触控屏

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Publication number Publication date
EP3764203A4 (en) 2021-05-12
WO2020191585A1 (zh) 2020-10-01
EP3764203A1 (en) 2021-01-13
US11106318B2 (en) 2021-08-31
EP3764203B1 (en) 2022-11-16
US20210011579A1 (en) 2021-01-14

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Application publication date: 20201211