TWI713604B - 具有降低之雜訊之電容量測裝置 - Google Patents

具有降低之雜訊之電容量測裝置 Download PDF

Info

Publication number
TWI713604B
TWI713604B TW105132673A TW105132673A TWI713604B TW I713604 B TWI713604 B TW I713604B TW 105132673 A TW105132673 A TW 105132673A TW 105132673 A TW105132673 A TW 105132673A TW I713604 B TWI713604 B TW I713604B
Authority
TW
Taiwan
Prior art keywords
electrode
sampling
sensor
switch
receiving electrode
Prior art date
Application number
TW105132673A
Other languages
English (en)
Chinese (zh)
Other versions
TW201716788A (zh
Inventor
萊尼爾 波特曼
Original Assignee
美商微晶片科技公司
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 美商微晶片科技公司 filed Critical 美商微晶片科技公司
Publication of TW201716788A publication Critical patent/TW201716788A/zh
Application granted granted Critical
Publication of TWI713604B publication Critical patent/TWI713604B/zh

Links

Images

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
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
    • G01L1/146—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors for measuring force distributions, e.g. using force arrays
    • 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
    • G06F3/033—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 two-dimensional [2D] relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • 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
    • G06F3/044—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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/955—Proximity switches using a capacitive detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/033—Indexing scheme relating to G06F3/033
    • G06F2203/0339—Touch strips, e.g. orthogonal touch strips to control cursor movement or scrolling; single touch strip to adjust parameter or to implement a row of soft keys
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960705—Safety of capacitive touch and proximity switches, e.g. increasing reliability, fail-safe
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches
    • H03K2217/960775—Emitter-receiver or "fringe" type detection, i.e. one or more field emitting electrodes and corresponding one or more receiving electrodes

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)
  • Quality & Reliability (AREA)
  • Position Input By Displaying (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
TW105132673A 2015-10-07 2016-10-07 具有降低之雜訊之電容量測裝置 TWI713604B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201562238318P 2015-10-07 2015-10-07
US62/238,318 2015-10-07
US15/286,986 2016-10-06
US15/286,986 US10444892B2 (en) 2015-10-07 2016-10-06 Capacitance measurement device with reduced noise

Publications (2)

Publication Number Publication Date
TW201716788A TW201716788A (zh) 2017-05-16
TWI713604B true TWI713604B (zh) 2020-12-21

Family

ID=57206393

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105132673A TWI713604B (zh) 2015-10-07 2016-10-07 具有降低之雜訊之電容量測裝置

Country Status (7)

Country Link
US (1) US10444892B2 (enExample)
EP (1) EP3360254B1 (enExample)
JP (1) JP2018536210A (enExample)
KR (1) KR102558321B1 (enExample)
CN (1) CN108141212B (enExample)
TW (1) TWI713604B (enExample)
WO (1) WO2017062717A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10108292B2 (en) * 2015-04-22 2018-10-23 Microchip Technology Incorporated Capacitive sensor system with multiple transmit electrodes
US10444892B2 (en) * 2015-10-07 2019-10-15 Microchip Technology Incorporated Capacitance measurement device with reduced noise
US10895932B1 (en) * 2016-05-10 2021-01-19 Apple Inc. Drift invariant processing
CN110199247B (zh) * 2017-12-27 2022-07-29 深圳市汇顶科技股份有限公司 噪声检测方法及装置、电子设备和计算机可读存储介质
US10901551B2 (en) * 2018-03-01 2021-01-26 Microchip Technology Incorporated Method and system for touchless gesture detection and hover and touch detection
TWI774778B (zh) * 2018-05-31 2022-08-21 李尚禮 應用於觸控辨識裝置之感測模組及其方法
TWI774779B (zh) * 2018-05-31 2022-08-21 李尚禮 應用於觸控辨識裝置之感測模組及其方法
US10949021B2 (en) * 2019-03-08 2021-03-16 Chargepoint, Inc. Electric field touchscreen
JP2020187427A (ja) * 2019-05-10 2020-11-19 株式会社ジャパンディスプレイ センサ装置
DE102019209433A1 (de) * 2019-06-28 2020-12-31 Robert Bosch Gmbh Sensoreinrichtung, insbesondere zur Erfassung von Objekten
US10790824B1 (en) 2019-07-03 2020-09-29 Samsung Electro-Mechanics Co., Ltd. Switching operation sensing apparatus with touch input member identification
KR102236099B1 (ko) * 2019-10-25 2021-04-05 삼성전기주식회사 멀티 터치의 위치 식별이 가능한 터치 센싱 장치 및 전자 기기
CN113448458B (zh) * 2020-03-25 2025-01-07 昇佳电子股份有限公司 电容感测电路
JP7423428B2 (ja) * 2020-06-05 2024-01-29 シャープ株式会社 タッチパネル入力装置
US11805199B2 (en) * 2021-10-24 2023-10-31 Samsung Electronics Co., Ltd. Electronic device and method for identifying grip state of electronic device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120044199A1 (en) * 2010-08-23 2012-02-23 Cypress Semiconductor Corporation Capacitance Scanning Proximity Detection
US20130120309A1 (en) * 2011-11-16 2013-05-16 Focaltech Systems, Ltd. Touch detection method for capacitive touch screens and touch detection device
US20140074436A1 (en) * 2012-09-13 2014-03-13 Microchip Technology Incorporated Noise Detection and Correction Routines
US20140146002A1 (en) * 2012-11-29 2014-05-29 Focaltech Systems, Ltd. Touch Detection System of Terminal Device and Terminal Device
US20160117014A1 (en) * 2014-10-24 2016-04-28 Microchip Technology Incorporated Analog Elimination Of Ungrounded Conductive Objects In Capacitive Sensing

Family Cites Families (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1017746B (zh) * 1988-05-31 1992-08-05 株式会社三丰 位置绝对测量用电容型测试装置
KR100595926B1 (ko) * 1998-01-26 2006-07-05 웨인 웨스터만 수동 입력 통합 방법 및 장치
US6297811B1 (en) * 1999-06-02 2001-10-02 Elo Touchsystems, Inc. Projective capacitive touchscreen
US8279180B2 (en) * 2006-05-02 2012-10-02 Apple Inc. Multipoint touch surface controller
KR101529840B1 (ko) * 2006-06-09 2015-06-17 애플 인크. 터치 스크린 액정 디스플레이
TW200802058A (en) * 2006-06-20 2008-01-01 Egalax Inc Scanning control device for capacitive touch panel
US9201556B2 (en) * 2006-11-08 2015-12-01 3M Innovative Properties Company Touch location sensing system and method employing sensor data fitting to a predefined curve
US8049732B2 (en) * 2007-01-03 2011-11-01 Apple Inc. Front-end signal compensation
US8698727B2 (en) * 2007-01-05 2014-04-15 Apple Inc. Backlight and ambient light sensor system
US7460441B2 (en) * 2007-01-12 2008-12-02 Microchip Technology Incorporated Measuring a long time period
DE102007016408A1 (de) * 2007-03-26 2008-10-02 Ident Technology Ag Mobiles Kommunikationsgerät und Eingabeeinrichtung hierfür
US8493331B2 (en) * 2007-06-13 2013-07-23 Apple Inc. Touch detection using multiple simultaneous frequencies
US8035622B2 (en) * 2008-03-27 2011-10-11 Apple Inc. SAR ADC with dynamic input scaling and offset adjustment
US7764213B2 (en) * 2008-07-01 2010-07-27 Microchip Technology Incorporated Current-time digital-to-analog converter
JPWO2010004867A1 (ja) * 2008-07-08 2012-01-05 セイコーインスツル株式会社 静電検出装置、情報機器及び静電検出方法
CN101673149B (zh) * 2008-09-10 2011-11-23 太瀚科技股份有限公司 电磁手写输入装置及方法
US20100261912A1 (en) * 2009-02-17 2010-10-14 Toshiyuki Toda Bis-(1(2)h-tetrazol-5-yl)amine and production method therefor
US8659694B2 (en) * 2009-12-31 2014-02-25 Omnivision Technologies, Inc. Pausing column readout in image sensors
DE102010007455B4 (de) * 2010-02-10 2024-06-27 Microchip Technology Germany Gmbh System und Verfahren zum berührungslosen Erfassen und Erkennen von Gesten in einem dreidimensionalen Raum
KR101769889B1 (ko) * 2010-02-10 2017-08-21 마이크로칩 테크놀로지 저머니 게엠베하 수동 입력 동작과 연관된 신호의 생성 시스템 및 방법
JP5822403B2 (ja) * 2010-02-26 2015-11-24 シナプティクス インコーポレイテッド 干渉を防止するための復調の変更
WO2011113177A1 (en) * 2010-03-17 2011-09-22 Applied Materials, Inc. Method and apparatus for remote plasma source assisted silicon-containing film deposition
KR101001654B1 (ko) * 2010-03-19 2010-12-15 주식회사 에임즈 터치 패널 구동 장치 및 터치 패널 구동 방법
JP5429814B2 (ja) * 2010-03-29 2014-02-26 株式会社ワコム 指示体検出装置および検出センサ
US8542215B2 (en) * 2010-04-30 2013-09-24 Microchip Technology Incorporated Mutual capacitance measurement in a multi-touch input device
US8933907B2 (en) * 2010-04-30 2015-01-13 Microchip Technology Incorporated Capacitive touch system using both self and mutual capacitance
US20110291928A1 (en) * 2010-05-31 2011-12-01 Po-Ju Chou Multifunctional flexible handwriting board and method for manufacturing the same
US9389724B2 (en) * 2010-09-09 2016-07-12 3M Innovative Properties Company Touch sensitive device with stylus support
GB201021477D0 (en) * 2010-12-17 2011-02-02 Elliptic Laboratories As Signal processing
US9086439B2 (en) * 2011-02-25 2015-07-21 Maxim Integrated Products, Inc. Circuits, devices and methods having pipelined capacitance sensing
CN103392162B (zh) * 2011-02-25 2016-08-24 高通技术公司 电容式触摸感测构架
JP5968922B2 (ja) * 2011-03-02 2016-08-10 パーセプティブ ピクセル インコーポレイテッド タッチ・センサにおけるノイズ低減
US8937813B2 (en) * 2011-03-04 2015-01-20 Telefonaktiebolaget L M Ericsson (Publ) Sub-rack mounting bracket and assembly
US8729911B2 (en) * 2011-04-19 2014-05-20 Cypress Semiconductor Corporation Usage of weighting matrices in multi-phase scanning modes
US8786295B2 (en) * 2011-04-20 2014-07-22 Cypress Semiconductor Corporation Current sensing apparatus and method for a capacitance-sensing device
JP5885232B2 (ja) * 2011-05-09 2016-03-15 シナプティクス・ディスプレイ・デバイス合同会社 タッチセンサパネルコントローラ及び半導体装置
US20120313890A1 (en) * 2011-06-09 2012-12-13 Maxim Integrated Products, Inc. Inter-symbol interfence reduction for touch panel systems
US9081450B1 (en) * 2011-06-09 2015-07-14 Maxim Integrated Products, Inc. Identifying hover and/or palm input and rejecting spurious input for a touch panel
KR101304195B1 (ko) * 2011-06-24 2013-09-05 주식회사 하이딥 향상된 노이즈 필터링 특성을 갖는 정전 용량 센서, 정전 용량 센서의 노이즈 필터링 방법 및 컴퓨터 판독 가능한 기록 매체
DE102011078534B4 (de) * 2011-07-01 2016-02-18 Ident Technology Ag Auswerteverfahren und Auswerteeinrichtung für einen kapazitiven Berührungssensor
US9071264B2 (en) * 2011-10-06 2015-06-30 Microchip Technology Incorporated Microcontroller with sequencer driven analog-to-digital converter
US9323379B2 (en) * 2011-12-09 2016-04-26 Microchip Technology Germany Gmbh Electronic device with a user interface that has more than two degrees of freedom, the user interface comprising a touch-sensitive surface and contact-free detection means
GB2499242A (en) * 2012-02-10 2013-08-14 Alterix Ltd methods of operating excitation circuitry and/or measurement circuitry in a digitiser and a method of manufacturing a transducer for a digitiser
US20130241887A1 (en) * 2012-03-14 2013-09-19 Texas Instruments Incorporated Detecting and Tracking Touch on an Illuminated Surface
WO2013149029A1 (en) * 2012-03-28 2013-10-03 Cirque Corporation Single and multiple finger extraction and position calculation using a weighted mask
US9791487B2 (en) * 2012-03-29 2017-10-17 Egalax_Empia Technology Inc. Method and device for measuring signals
US9372582B2 (en) * 2012-04-19 2016-06-21 Atmel Corporation Self-capacitance measurement
EP2667156B1 (en) * 2012-05-25 2015-10-21 Nxp B.V. Capacitive position sensor system
JP5988295B2 (ja) * 2012-08-08 2016-09-07 アルプス電気株式会社 入力装置
US9279874B2 (en) * 2012-08-16 2016-03-08 Microchip Technology Germany Gmbh Signal processing for a capacitive sensor system with robustness to noise
US9128573B2 (en) * 2012-09-14 2015-09-08 STMicroelectronics S.r.l.; High signal to noise ratio capacitive sensing analog front-end
US9389256B2 (en) * 2012-09-14 2016-07-12 Stmicroelectronics Asia Pacific Pte Ltd High signal to noise ratio capacitive sensing analog front-end
US9098155B2 (en) * 2012-10-12 2015-08-04 Atmel Corporation Self-capacitance measurement using compensation capacitor
US9268432B2 (en) * 2012-10-19 2016-02-23 Stmicroelectronics Asia Pacific Pte Ltd. Touch panel having a master and slave controller and method for driving thereof
KR102058437B1 (ko) * 2013-02-25 2019-12-26 삼성전자주식회사 필터 값 추출기를 포함하는 터치 감지 장치 및 필터 값 추출기
US8890841B2 (en) * 2013-03-13 2014-11-18 3M Innovative Properties Company Capacitive-based touch apparatus and method therefor, with reduced interference
US10352976B2 (en) * 2013-03-15 2019-07-16 Microchip Technology Incorporated Matrix electrode design for three-dimensional e-filed sensor
US9007341B2 (en) * 2013-06-25 2015-04-14 Himax Technologies Limited Touch system
US9001082B1 (en) * 2013-09-27 2015-04-07 Sensel, Inc. Touch sensor detector system and method
US9665204B2 (en) * 2013-10-04 2017-05-30 Microchip Technology Incorporated Continuous circle gesture detection for a sensor system
KR101580381B1 (ko) * 2014-01-03 2015-12-28 삼성전기주식회사 터치 스크린 장치 및 그 제어 방법
US9921739B2 (en) * 2014-03-03 2018-03-20 Microchip Technology Incorporated System and method for gesture control
KR20150109042A (ko) * 2014-03-19 2015-10-01 삼성전기주식회사 터치스크린 장치 및 터치 감지 방법
US9256333B2 (en) * 2014-04-15 2016-02-09 Samsung Electronics Co., Ltd. Method and apparatus for reducing noise in capacitive touch interfaces
US10459623B2 (en) * 2014-04-17 2019-10-29 Microchip Technology Incorporated Touch detection in a capacitive sensor system
US10558302B2 (en) * 2014-05-23 2020-02-11 Apple Inc. Coded integration of a self-capacitance array
EP3161962B1 (en) * 2014-06-26 2020-08-05 Microchip Technology Incorporated Compensation of a target object's coupling to feeding lines in capacitive sensing system
US9927933B2 (en) * 2014-07-10 2018-03-27 Microchip Technology Germany Gmbh Method and system for gesture detection and touch detection
EP2975501B1 (en) * 2014-07-18 2023-08-02 Semtech Corporation A measuring circuit and measuring method for a capacitive touch-sensitive panel
US10649488B2 (en) * 2014-08-20 2020-05-12 Microchip Technology Germany Gmbh Electrode arrangement for gesture detection and tracking
US9590649B2 (en) * 2014-10-17 2017-03-07 Microchip Technology Incorporated Analog-to-digital conversion with micro-coded sequencer
US9971442B2 (en) * 2014-10-29 2018-05-15 Microchip Technology Germany Gmbh Human interface device and method
WO2016114267A1 (ja) * 2015-01-13 2016-07-21 国立大学法人神戸大学 オンチップモニタ回路及び半導体チップ
US10135424B2 (en) * 2015-02-27 2018-11-20 Microchip Technology Germany Gmbh Digital filter with confidence input
US10277203B2 (en) * 2015-02-27 2019-04-30 Microchip Technology Germany Gmbh Digital filter with confidence input
US10303285B2 (en) * 2015-04-22 2019-05-28 Microchip Technology Incorporated Sensor device for a display
US10108292B2 (en) * 2015-04-22 2018-10-23 Microchip Technology Incorporated Capacitive sensor system with multiple transmit electrodes
US9946397B2 (en) * 2015-06-15 2018-04-17 Microchip Technology Incorporated Sensor design for enhanced touch and gesture decoding
US20170090609A1 (en) * 2015-09-25 2017-03-30 Synaptics Incorporated Oversampled step and wait system for capacitive sensing
US10444892B2 (en) * 2015-10-07 2019-10-15 Microchip Technology Incorporated Capacitance measurement device with reduced noise
US10151608B2 (en) * 2015-12-22 2018-12-11 Microchip Technology Incorporated System and method for reducing noise in a sensor system
US10394332B2 (en) * 2016-04-07 2019-08-27 Microchip Technology Germany Gmbh Sensor design for enhanced touch and gesture decoding

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120044199A1 (en) * 2010-08-23 2012-02-23 Cypress Semiconductor Corporation Capacitance Scanning Proximity Detection
US20130120309A1 (en) * 2011-11-16 2013-05-16 Focaltech Systems, Ltd. Touch detection method for capacitive touch screens and touch detection device
US20140074436A1 (en) * 2012-09-13 2014-03-13 Microchip Technology Incorporated Noise Detection and Correction Routines
US20140146002A1 (en) * 2012-11-29 2014-05-29 Focaltech Systems, Ltd. Touch Detection System of Terminal Device and Terminal Device
US20160117014A1 (en) * 2014-10-24 2016-04-28 Microchip Technology Incorporated Analog Elimination Of Ungrounded Conductive Objects In Capacitive Sensing

Also Published As

Publication number Publication date
WO2017062717A1 (en) 2017-04-13
EP3360254B1 (en) 2021-12-01
JP2018536210A (ja) 2018-12-06
CN108141212B (zh) 2022-03-25
KR102558321B1 (ko) 2023-07-24
US20170102815A1 (en) 2017-04-13
CN108141212A (zh) 2018-06-08
TW201716788A (zh) 2017-05-16
US10444892B2 (en) 2019-10-15
EP3360254A1 (en) 2018-08-15
KR20180064397A (ko) 2018-06-14

Similar Documents

Publication Publication Date Title
CN108141212B (zh) 具有降低的噪声的电容测量装置
US10496230B2 (en) Touch circuit, touch sensing device, and touch sensing method
US11730910B2 (en) Simultaneous time domain differential sensing and electric field sensing
US9933904B2 (en) Capacitive touch system
JP6894887B2 (ja) センサシステム内に雑音を低減させるためのシステムおよび方法
US9041682B2 (en) Driving electrodes with different phase signals
KR101522532B1 (ko) 터치 패널을 구동하는 방법
EP3499349B1 (en) Integrator, touch display device, and driving methods therefor
JP2015141555A (ja) タッチ検出回路及びそれを備える半導体集積回路
JP2011257831A (ja) タッチパネル装置
TW201537442A (zh) 電容式觸控裝置以及於電容式觸控面板上同時偵測主動筆與物體的方法
US20170293376A1 (en) Hover sensor
JP5952398B2 (ja) 容量性タッチパネルを感知及びスキャンするための方法及び装置
KR101585917B1 (ko) 플렉서블 터치 스크린 패널에서의 하이브리드 스캔 방식 터치 검출 방법 및 장치
US10627954B2 (en) Driving circuit for a touch panel realizing modes using a sensing circuit and touch sensing method using the same
US8593432B2 (en) Sample and hold analog front end for a capacitive touchpad
US20230355911A1 (en) Simultaneous time domain differential sensing and electric field sensing
US20120139563A1 (en) Method for controlling a capacitive touch pad
Um et al. A single-chip time-interleaved 32-channel analog beamformer for ultrasound medical imaging
US20190064999A1 (en) Multi-frequency scanning of a capacitive panel to address a noise condition
US9329722B2 (en) Capacitive touch system and method with auto-calibration
WO2016114123A1 (en) A Capacitive Touch Panel with Matrix Electrode Pattern
TW201843565A (zh) 觸控面板以及觸控面板的感測方法
TW202101188A (zh) 高解析觸碰感應裝置及方法