JP7011159B2 - 容量検出回路及び静電容量センサ装置 - Google Patents

容量検出回路及び静電容量センサ装置 Download PDF

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Publication number
JP7011159B2
JP7011159B2 JP2018003439A JP2018003439A JP7011159B2 JP 7011159 B2 JP7011159 B2 JP 7011159B2 JP 2018003439 A JP2018003439 A JP 2018003439A JP 2018003439 A JP2018003439 A JP 2018003439A JP 7011159 B2 JP7011159 B2 JP 7011159B2
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Prior art keywords
detection
electrode
circuit
current
detection electrode
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JP2018003439A
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English (en)
Japanese (ja)
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JP2019125015A5 (enExample
JP2019125015A (ja
Inventor
大輔 杉本
浩史 芳賀
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Tianma Japan Ltd
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Tianma Japan Ltd
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Priority to JP2018003439A priority Critical patent/JP7011159B2/ja
Priority to CN201910018598.XA priority patent/CN110045861B/zh
Priority to US16/245,417 priority patent/US11086437B2/en
Publication of JP2019125015A publication Critical patent/JP2019125015A/ja
Publication of JP2019125015A5 publication Critical patent/JP2019125015A5/ja
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16547—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies voltage or current in AC supplies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • 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
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • 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
    • 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
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Power Engineering (AREA)
  • Position Input By Displaying (AREA)
JP2018003439A 2018-01-12 2018-01-12 容量検出回路及び静電容量センサ装置 Active JP7011159B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018003439A JP7011159B2 (ja) 2018-01-12 2018-01-12 容量検出回路及び静電容量センサ装置
CN201910018598.XA CN110045861B (zh) 2018-01-12 2019-01-09 电容检测电路和静电电容传感器设备
US16/245,417 US11086437B2 (en) 2018-01-12 2019-01-11 Capacitance detection circuit and electrostatic capacitance sensor device with a high-pass filter having first and second passive circuit elements for outputting an attenuated current signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018003439A JP7011159B2 (ja) 2018-01-12 2018-01-12 容量検出回路及び静電容量センサ装置

Publications (3)

Publication Number Publication Date
JP2019125015A JP2019125015A (ja) 2019-07-25
JP2019125015A5 JP2019125015A5 (enExample) 2021-02-18
JP7011159B2 true JP7011159B2 (ja) 2022-01-26

Family

ID=67213896

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JP2018003439A Active JP7011159B2 (ja) 2018-01-12 2018-01-12 容量検出回路及び静電容量センサ装置

Country Status (3)

Country Link
US (1) US11086437B2 (enExample)
JP (1) JP7011159B2 (enExample)
CN (1) CN110045861B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021070313A1 (ja) * 2019-10-10 2021-04-15 株式会社ワコム タッチ検出方法及びタッチ検出装置
US12282603B2 (en) * 2019-12-05 2025-04-22 Mitsubishi Electric Corporation Tactile presentation panel, tactile presentation touch panel, tactile presentation touch display, and tactile presentation knob
CN110889480A (zh) * 2019-12-23 2020-03-17 浙江悦和科技有限公司 一种无源传感电路及其控制方法
CN114546168B (zh) * 2022-02-24 2023-07-21 汇春科技(成都)有限公司 自电容检测电路、触摸检测方法和装置
US12050747B2 (en) * 2022-09-09 2024-07-30 Cypress Semiconductor Corporation Unintentional touch detection using combined capacitive sensor node
CN115575722A (zh) * 2022-09-30 2023-01-06 深圳曦华科技有限公司 电容检测电路、触控芯片及电子设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005267478A (ja) 2004-03-22 2005-09-29 Hitachi Ltd 近接位置入力装置
JP2010108501A (ja) 2008-10-30 2010-05-13 Samsung Electronics Co Ltd センシング感度を向上させたタッチスクリーンコントローラ、タッチスクリーンコントローラを備えるディスプレイ駆動回路、ディスプレイ装置及びシステム
JP2012022537A (ja) 2010-07-15 2012-02-02 Hitachi Ltd 圧電アクチュエータ駆動装置
WO2013069290A1 (ja) 2011-11-11 2013-05-16 パナソニック株式会社 タッチパネル装置
WO2014002405A1 (ja) 2012-06-29 2014-01-03 パナソニック株式会社 触感提示機能つきタッチパネル装置
US20170322674A1 (en) 2013-09-27 2017-11-09 Sensel, Inc. Touch sensor detector system and method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4816668B2 (ja) * 2008-03-28 2011-11-16 ソニー株式会社 タッチセンサ付き表示装置
TWI431362B (zh) * 2009-05-29 2014-03-21 Japan Display West Inc 觸控感測器、顯示器及電子裝置
JP5160502B2 (ja) * 2009-06-05 2013-03-13 Ｓｍｋ株式会社 静電容量方式タッチパネル
JP2014067212A (ja) * 2012-09-26 2014-04-17 Appside Co Ltd 静電容量式タッチパネル
JP6029088B2 (ja) * 2013-02-26 2016-11-24 ぺんてる株式会社 静電容量結合方式静電センサー
JP6368139B2 (ja) 2014-05-07 2018-08-01 株式会社半導体エネルギー研究所 タッチセンサ
KR102319276B1 (ko) * 2015-03-09 2021-11-01 주식회사 디비하이텍 터치 센서
TWI550495B (zh) * 2015-03-26 2016-09-21 原相科技股份有限公司 高靈敏度的電容觸控裝置及其運作方法
US10831304B2 (en) * 2015-03-26 2020-11-10 Pixart Imaging Inc. Control chip for capacitive touch device with high sensitivity and low power consumption
CN107977140B (zh) * 2016-10-21 2022-05-03 天马微电子股份有限公司 触觉提示装置及控制方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005267478A (ja) 2004-03-22 2005-09-29 Hitachi Ltd 近接位置入力装置
JP2010108501A (ja) 2008-10-30 2010-05-13 Samsung Electronics Co Ltd センシング感度を向上させたタッチスクリーンコントローラ、タッチスクリーンコントローラを備えるディスプレイ駆動回路、ディスプレイ装置及びシステム
JP2012022537A (ja) 2010-07-15 2012-02-02 Hitachi Ltd 圧電アクチュエータ駆動装置
WO2013069290A1 (ja) 2011-11-11 2013-05-16 パナソニック株式会社 タッチパネル装置
WO2014002405A1 (ja) 2012-06-29 2014-01-03 パナソニック株式会社 触感提示機能つきタッチパネル装置
US20170322674A1 (en) 2013-09-27 2017-11-09 Sensel, Inc. Touch sensor detector system and method

Also Published As

Publication number Publication date
JP2019125015A (ja) 2019-07-25
US11086437B2 (en) 2021-08-10
CN110045861B (zh) 2024-01-09
CN110045861A (zh) 2019-07-23
US20190220132A1 (en) 2019-07-18

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