CN108139842B - 在传感器系统中用于减少噪声的系统及方法 - Google Patents

在传感器系统中用于减少噪声的系统及方法 Download PDF

Info

Publication number
CN108139842B
CN108139842B CN201680056799.3A CN201680056799A CN108139842B CN 108139842 B CN108139842 B CN 108139842B CN 201680056799 A CN201680056799 A CN 201680056799A CN 108139842 B CN108139842 B CN 108139842B
Authority
CN
China
Prior art keywords
series
sensor signals
digital
evaluation unit
digital sensor
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201680056799.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN108139842A (zh
Inventor
R·方堤思
L·波特曼
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.)
Microchip Technology Inc
Original Assignee
Microchip Technology Inc
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 Microchip Technology Inc filed Critical Microchip Technology Inc
Publication of CN108139842A publication Critical patent/CN108139842A/zh
Application granted granted Critical
Publication of CN108139842B publication Critical patent/CN108139842B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446Digitisers, 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D18/00Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D18/00Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • G01D18/002Automatic recalibration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/04166Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving

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)
  • Analogue/Digital Conversion (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Electronic Switches (AREA)
CN201680056799.3A 2015-12-22 2016-12-21 在传感器系统中用于减少噪声的系统及方法 Active CN108139842B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/978,803 2015-12-22
US14/978,803 US10151608B2 (en) 2015-12-22 2015-12-22 System and method for reducing noise in a sensor system
PCT/US2016/067909 WO2017112722A1 (en) 2015-12-22 2016-12-21 System and method for reducing noise in a sensor system

Publications (2)

Publication Number Publication Date
CN108139842A CN108139842A (zh) 2018-06-08
CN108139842B true CN108139842B (zh) 2021-12-07

Family

ID=57777735

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680056799.3A Active CN108139842B (zh) 2015-12-22 2016-12-21 在传感器系统中用于减少噪声的系统及方法

Country Status (7)

Country Link
US (1) US10151608B2 (enExample)
EP (1) EP3394715B1 (enExample)
JP (1) JP6894887B2 (enExample)
KR (1) KR102752353B1 (enExample)
CN (1) CN108139842B (enExample)
TW (1) TWI714688B (enExample)
WO (1) WO2017112722A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10444892B2 (en) * 2015-10-07 2019-10-15 Microchip Technology Incorporated Capacitance measurement device with reduced noise
US10365749B2 (en) * 2016-03-30 2019-07-30 Synaptics Incorporated Capacitive sensing device with single reference channel
US11086448B2 (en) * 2016-12-14 2021-08-10 Stmicroelectronics Asia Pacific Pte Ltd Parallel analysis of different sampling rates in a touch screen controller
US10911270B2 (en) * 2018-10-03 2021-02-02 Maxim Integrated Products, Inc. Systems and methods for on-chip filtering
US11221708B2 (en) * 2018-12-26 2022-01-11 Microchip Technology Incorporated Digital-to-analog controller-referenced touch sensing system, and related systems, methods, and devices
WO2021108960A1 (en) 2019-12-02 2021-06-10 Siemens Aktiengesellschaft Method and apparatus for sensor measurements processing
TWI738139B (zh) * 2019-12-04 2021-09-01 財團法人資訊工業策進會 資料擷取裝置、系統及其方法
US11916582B2 (en) 2020-12-16 2024-02-27 Microchip Technology Incorporated Methods and systems for determining a noise-robust acquisition configuration for operating a sensor system
WO2022132212A1 (en) 2020-12-16 2022-06-23 Microchip Technology Incorporated Methods and systems for determining a noise-robust acquisition configuration for operating a sensor system
CN115765688B (zh) * 2023-01-09 2023-04-18 深圳曦华科技有限公司 电容采样电路中对解调信号的信号处理方法及相关装置
JP7580516B2 (ja) * 2023-03-31 2024-11-11 本田技研工業株式会社 電流測定方法および電流測定システム
CN116223885B (zh) * 2023-05-08 2023-07-25 北京伽略电子股份有限公司 一种电流采样电路
DE102023207542A1 (de) 2023-08-07 2025-02-13 Robert Bosch Gesellschaft mit beschränkter Haftung Sensorvorrichtung mit einem Sensorelement, einer Verarbeitungseinheit und einer Kommunikationsschnittstelle sowie ein Verfahren zum Betrieb einer Sensorvorrichtung
US12487706B1 (en) 2024-12-05 2025-12-02 Stmicroelectronics International N.V. ADC data processing circuit for touch controllers

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0818751A1 (en) * 1996-07-12 1998-01-14 Synaptics, Incorporated Object position detector with noise suppression feature
CN101167262A (zh) * 2005-09-15 2008-04-23 中兴通讯股份有限公司 一种基于多倍采样的提高信噪比的基带处理方法
CN101339479A (zh) * 2007-07-02 2009-01-07 泰科电子有限公司 基于冗余确认的用于探测触摸事件的方法和系统
CN102207804A (zh) * 2010-03-31 2011-10-05 意法半导体亚太私人有限公司 电容式感测模拟前端
CN102289332A (zh) * 2010-06-21 2011-12-21 安华高科技Ecbuip(新加坡)私人有限公司 减少电容性触摸屏系统中的电磁干扰
CN102789344A (zh) * 2011-05-16 2012-11-21 原相科技股份有限公司 电容式触控屏幕或触控面板系统及其操作方法
CN103262417A (zh) * 2010-09-14 2013-08-21 高端硅公司 一种用于电容式触摸应用的电路
CN103425363A (zh) * 2012-05-18 2013-12-04 禾瑞亚科技股份有限公司 侦测电容式触摸屏的侦测装置与方法
CN103854658A (zh) * 2012-11-29 2014-06-11 沈阳工业大学 基于短时分形维数增强法的钢板腐蚀声发射信号去噪方法
CN103853404A (zh) * 2012-12-03 2014-06-11 三星电子株式会社 电容式多点触摸系统和控制所述系统的方法
CN104081668A (zh) * 2011-12-02 2014-10-01 密克罗奇普技术公司 具有早期中断能力的模/数转换器
EP2808766A1 (en) * 2013-05-30 2014-12-03 NCR Corporation Active reduction of radio frequency noise
CN104808842A (zh) * 2014-01-29 2015-07-29 阿尔卑斯电气株式会社 输入装置
CN204537099U (zh) * 2015-04-02 2015-08-05 创维光电科技(深圳)有限公司 触控终端及其触摸感应电路

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853498A (en) 1988-06-13 1989-08-01 Tektronix, Inc. Position measurement apparatus for capacitive touch panel system
US5844415A (en) 1994-02-03 1998-12-01 Massachusetts Institute Of Technology Method for three-dimensional positions, orientation and mass distribution
NO308095B1 (no) 1997-06-30 2000-07-24 Consensus As Fremgangsmate for transport av vaeske i tekstiler
NO20023398D0 (no) 2002-07-15 2002-07-15 Osmotex As Anordning og fremgangsmåte for transport av v¶ske gjennom materialer
DE10245243B3 (de) 2002-09-26 2004-03-04 Eads Deutschland Gmbh Entfeuchtungseinrichtung für einen feuchtigkeitsaufnehmenden Gegenstand, insbesondere einen Sitz, sowie entsprechendes Verfahren
US8493331B2 (en) 2007-06-13 2013-07-23 Apple Inc. Touch detection using multiple simultaneous frequencies
GB0716384D0 (en) 2007-08-22 2007-10-03 Osmolife As Textile having water transport and heating capabilities
US8659556B2 (en) 2008-09-10 2014-02-25 Apple Inc. Advanced receive channel architecture
US7808419B2 (en) * 2008-10-22 2010-10-05 Mediatek Inc. Digitizer with variable sampling clock and method using the same
US20110097215A1 (en) 2009-10-23 2011-04-28 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Flexible Solid-State Pump Constructed of Surface-Modified Glass Fiber Filters and Metal Mesh Electrodes
WO2011092549A1 (en) * 2010-01-27 2011-08-04 Nokia Corporation Method and apparatus for assigning a feature class value
DE112011101946T5 (de) 2010-06-08 2013-05-02 Iee International Electronics & Engineering S.A. Robustes kapazitives Messsystem
KR101139150B1 (ko) * 2011-10-06 2012-04-27 (주)이미지스테크놀로지 터치 입력 신호의 위상을 변조시켜 노이즈를 제거하는 스펙트럼 확산식 노이즈 제거 방법
US9279874B2 (en) 2012-08-16 2016-03-08 Microchip Technology Germany Gmbh Signal processing for a capacitive sensor system with robustness to noise
US9019224B2 (en) * 2013-03-15 2015-04-28 Tactual Labs Co. Low-latency touch sensitive device
US9946410B2 (en) 2013-03-15 2018-04-17 Microchip Technology Germany Gmbh System and method for energy efficient measurement of sensor signal
US9195341B2 (en) * 2014-02-14 2015-11-24 Texas Instruments Incorporated Touchscreen controller and method for charger noise reduction through noise shaping
US10133416B2 (en) * 2016-05-13 2018-11-20 Tactual Labs Co. Signal detection in frequency division modulated touch systems

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0818751A1 (en) * 1996-07-12 1998-01-14 Synaptics, Incorporated Object position detector with noise suppression feature
CN101167262A (zh) * 2005-09-15 2008-04-23 中兴通讯股份有限公司 一种基于多倍采样的提高信噪比的基带处理方法
CN101339479A (zh) * 2007-07-02 2009-01-07 泰科电子有限公司 基于冗余确认的用于探测触摸事件的方法和系统
CN102207804A (zh) * 2010-03-31 2011-10-05 意法半导体亚太私人有限公司 电容式感测模拟前端
CN102289332A (zh) * 2010-06-21 2011-12-21 安华高科技Ecbuip(新加坡)私人有限公司 减少电容性触摸屏系统中的电磁干扰
CN103262417A (zh) * 2010-09-14 2013-08-21 高端硅公司 一种用于电容式触摸应用的电路
CN102789344A (zh) * 2011-05-16 2012-11-21 原相科技股份有限公司 电容式触控屏幕或触控面板系统及其操作方法
CN104081668A (zh) * 2011-12-02 2014-10-01 密克罗奇普技术公司 具有早期中断能力的模/数转换器
CN103425363A (zh) * 2012-05-18 2013-12-04 禾瑞亚科技股份有限公司 侦测电容式触摸屏的侦测装置与方法
CN103854658A (zh) * 2012-11-29 2014-06-11 沈阳工业大学 基于短时分形维数增强法的钢板腐蚀声发射信号去噪方法
CN103853404A (zh) * 2012-12-03 2014-06-11 三星电子株式会社 电容式多点触摸系统和控制所述系统的方法
EP2808766A1 (en) * 2013-05-30 2014-12-03 NCR Corporation Active reduction of radio frequency noise
CN104808842A (zh) * 2014-01-29 2015-07-29 阿尔卑斯电气株式会社 输入装置
CN204537099U (zh) * 2015-04-02 2015-08-05 创维光电科技(深圳)有限公司 触控终端及其触摸感应电路

Also Published As

Publication number Publication date
CN108139842A (zh) 2018-06-08
US20170176225A1 (en) 2017-06-22
US10151608B2 (en) 2018-12-11
KR20180096568A (ko) 2018-08-29
JP6894887B2 (ja) 2021-06-30
EP3394715A1 (en) 2018-10-31
JP2019510194A (ja) 2019-04-11
EP3394715B1 (en) 2024-09-11
KR102752353B1 (ko) 2025-01-10
TWI714688B (zh) 2021-01-01
TW201729537A (zh) 2017-08-16
WO2017112722A1 (en) 2017-06-29

Similar Documents

Publication Publication Date Title
CN108139842B (zh) 在传感器系统中用于减少噪声的系统及方法
KR101304195B1 (ko) 향상된 노이즈 필터링 특성을 갖는 정전 용량 센서, 정전 용량 센서의 노이즈 필터링 방법 및 컴퓨터 판독 가능한 기록 매체
JP6606175B2 (ja) 容量感知における接地されていない伝導性物体のアナログ排除
TWI506513B (zh) 使用單一接腳量測自身電容之方法及裝置
JP4750888B2 (ja) マルチポイントタッチ表面コントローラ
US9523725B2 (en) Configurable analog front-end for mutual capacitance sensing and self capacitance sensing
US10642431B2 (en) Capacitance detection circuit, capacitance detection method, touch detection apparatus, and terminal device
US7986153B2 (en) Method and apparatus for sensing
US9881197B2 (en) Fingerprint sensing device and method therein for noise detection
EP3455791B1 (en) Fingerprint sensing device and method therein for noise detection
US20110242048A1 (en) Capacitive sensing analog front end
US9383856B2 (en) Touch sensing circuit and associated method
TW201716788A (zh) 具有降低之雜訊之電容量測裝置
CN108319871A (zh) 电子装置
US9500686B1 (en) Capacitance measurement system and methods
KR20120083693A (ko) 터치 감지 방법, 그 방법을 구현하기 위한 프로그램이 기록된 기록매체 및 터치 감지 시스템
KR101844848B1 (ko) 터치 검출 방법 및 이를 이용하는 터치 검출 장치
KR101658355B1 (ko) 플렉서블 터치 스크린 패널의 멀티 터치에 대한 터치 검출 방법 및 장치
CN115549680B (zh) 一种触摸按键抗干扰检测方法及检测芯片
WO2022132212A1 (en) Methods and systems for determining a noise-robust acquisition configuration for operating a sensor system
KR101897150B1 (ko) 지문 검출 장치 및 방법
CN116134407A (zh) 用于确定操作传感器系统的噪声稳健性采集配置的方法和系统
CN113655917A (zh) 电容感测

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant