CN110045861B - 电容检测电路和静电电容传感器设备 - Google Patents

电容检测电路和静电电容传感器设备 Download PDF

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Publication number
CN110045861B
CN110045861B CN201910018598.XA CN201910018598A CN110045861B CN 110045861 B CN110045861 B CN 110045861B CN 201910018598 A CN201910018598 A CN 201910018598A CN 110045861 B CN110045861 B CN 110045861B
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China
Prior art keywords
detection electrode
circuit
pass filter
detection
current
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CN201910018598.XA
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English (en)
Chinese (zh)
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CN110045861A (zh
Inventor
杉本大辅
芳贺浩史
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.)
Wuhan Tianma Microelectronics Co Ltd
Tianma Japan Ltd
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Wuhan Tianma Microelectronics Co Ltd
Tianma Japan Ltd
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Publication of CN110045861A publication Critical patent/CN110045861A/zh
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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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • 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
    • 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

Landscapes

  • 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)
CN201910018598.XA 2018-01-12 2019-01-09 电容检测电路和静电电容传感器设备 Active CN110045861B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-003439 2018-01-12
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 (2)

Publication Number Publication Date
CN110045861A CN110045861A (zh) 2019-07-23
CN110045861B true CN110045861B (zh) 2024-01-09

Family

ID=67213896

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910018598.XA Active CN110045861B (zh) 2018-01-12 2019-01-09 电容检测电路和静电电容传感器设备

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
JP7357999B2 (ja) 2019-10-10 2023-10-10 株式会社ワコム タッチ検出方法及びタッチ検出装置
CN114730218B (zh) * 2019-12-05 2025-01-07 三菱电机株式会社 触觉呈现面板、触觉呈现触摸面板、触觉呈现触摸显示器以及触觉呈现旋钮
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010282462A (ja) * 2009-06-05 2010-12-16 Smk Corp 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
JP2014164535A (ja) * 2013-02-26 2014-09-08 Pentel Corp 静電容量結合方式静電センサー

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4333428B2 (ja) 2004-03-22 2009-09-16 株式会社日立製作所 近接位置入力装置
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
US20100110040A1 (en) 2008-10-30 2010-05-06 Samsung Electronics Co., Ltd. Touch controller having increased sensing sensitivity, and display driving circuit and display device and system having the touch controller
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
JP2012022537A (ja) 2010-07-15 2012-02-02 Hitachi Ltd 圧電アクチュエータ駆動装置
JP5327408B1 (ja) 2011-11-11 2013-10-30 パナソニック株式会社 タッチパネル装置
US9176587B2 (en) 2012-06-29 2015-11-03 Panasonic Intellectual Property Management Co., Ltd. Tactile sense presentation device and tactile sense presentation method
JP6396478B2 (ja) 2013-09-27 2018-09-26 センセル インコーポレイテッドＳｅｎｓｅｌ，Ｉｎｃ． タッチセンサ検出システム及び方法
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
US10831304B2 (en) * 2015-03-26 2020-11-10 Pixart Imaging Inc. Control chip for capacitive touch device with high sensitivity and low power consumption
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
CN114816198B (zh) * 2016-10-21 2025-01-28 天马微电子股份有限公司 触觉提示装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010282462A (ja) * 2009-06-05 2010-12-16 Smk Corp 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
JP2014164535A (ja) * 2013-02-26 2014-09-08 Pentel Corp 静電容量結合方式静電センサー

Also Published As

Publication number Publication date
US11086437B2 (en) 2021-08-10
JP2019125015A (ja) 2019-07-25
JP7011159B2 (ja) 2022-01-26
US20190220132A1 (en) 2019-07-18
CN110045861A (zh) 2019-07-23

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Effective date of registration: 20200831

Address after: Kawasaki City, Kanagawa Prefecture, Japan

Applicant after: Tianma Japan, Ltd.

Applicant after: WUHAN TIANMA MICROELECTRONICS Co.,Ltd.

Address before: Kawasaki City, Kanagawa Prefecture, Japan

Applicant before: TIANMA JAPAN, Ltd.

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