CN104662393B - 用于具有噪声稳健性的电容传感器系统的信号处理 - Google Patents

用于具有噪声稳健性的电容传感器系统的信号处理 Download PDF

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Publication number
CN104662393B
CN104662393B CN201380049557.8A CN201380049557A CN104662393B CN 104662393 B CN104662393 B CN 104662393B CN 201380049557 A CN201380049557 A CN 201380049557A CN 104662393 B CN104662393 B CN 104662393B
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China
Prior art keywords
noise
signal
frequency
measure
capacitive sensor
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Chinese (zh)
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CN104662393A (zh
Inventor
阿克塞尔·海姆
马丁·霍赫
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Microchip Technology Germany GmbH
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Microchip Technology Germany GmbH
Ident Technology AG
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D5/00—Mechanical 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
    • G01D5/12—Mechanical 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
    • G01D5/14—Mechanical 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
    • G01D5/24—Mechanical 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
    • 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
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
    • 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
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/001—Analogue/digital/analogue conversion
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electronic Switches (AREA)
  • Position Input By Displaying (AREA)
  • User Interface Of Digital Computer (AREA)
CN201380049557.8A 2012-08-16 2013-08-15 用于具有噪声稳健性的电容传感器系统的信号处理 Active CN104662393B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261684009P 2012-08-16 2012-08-16
US61/684,009 2012-08-16
US13/967,324 US9279874B2 (en) 2012-08-16 2013-08-14 Signal processing for a capacitive sensor system with robustness to noise
US13/967,324 2013-08-14
PCT/EP2013/067099 WO2014027074A2 (en) 2012-08-16 2013-08-15 Signal processing for a capacitive sensor system with robustness to noise

Publications (2)

Publication Number Publication Date
CN104662393A CN104662393A (zh) 2015-05-27
CN104662393B true CN104662393B (zh) 2017-06-16

Family

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CN201380049557.8A Active CN104662393B (zh) 2012-08-16 2013-08-15 用于具有噪声稳健性的电容传感器系统的信号处理

Country Status (7)

Country Link
US (2) US9279874B2 (https=)
EP (1) EP2885611B1 (https=)
JP (1) JP6438394B2 (https=)
KR (1) KR102056428B1 (https=)
CN (1) CN104662393B (https=)
TW (1) TWI616795B (https=)
WO (1) WO2014027074A2 (https=)

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TW201602877A (zh) * 2014-07-01 2016-01-16 義隆電子股份有限公司 觸碰感測裝置以及其使用之方法
US9927933B2 (en) 2014-07-10 2018-03-27 Microchip Technology Germany Gmbh Method and system for gesture detection and touch detection
TWI559202B (zh) * 2014-10-01 2016-11-21 義隆電子股份有限公司 電容式觸控裝置及其刺激訊號產生電路與方法
KR102276911B1 (ko) 2015-01-14 2021-07-13 삼성전자주식회사 터치 컨트롤러, 터치 센싱 장치 및 터치 센싱 방법
JP6791886B2 (ja) * 2015-03-06 2020-11-25 日本テキサス・インスツルメンツ合同会社 感知信号変調を用いる広帯域容量性センシング
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CN105677099B (zh) * 2016-01-05 2018-09-21 京东方科技集团股份有限公司 用于设定触摸检测系统的工作频段的方法和系统
US12350029B2 (en) 2016-01-27 2025-07-08 Life Detection Technologies, Inc. Computation of parameters of a body using an electric field
US12310710B2 (en) 2016-01-27 2025-05-27 Life Detection Technologies, Inc. Computation of parameters of a body using an electric field
US10631752B2 (en) * 2016-01-27 2020-04-28 Life Detection Technologies, Inc. Systems and methods for detecting physical changes without physical contact
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JP2018072928A (ja) * 2016-10-25 2018-05-10 シナプティクス インコーポレイテッド センシングシステム、タッチ検出回路および半導体装置
EP3418870A4 (en) * 2016-12-22 2019-05-22 Shenzhen Goodix Technology Co., Ltd. NOISE CONTROL AND TOUCH CONTROL DEVICE
US20180335458A1 (en) * 2017-05-18 2018-11-22 Cirrus Logic International Semiconductor Ltd. Capacitance sensor
US10175824B2 (en) * 2017-06-12 2019-01-08 Synaptics Incorporated Interference mitigation and clock dithering for a continuous-time receiver for capacitive sensing
US11796653B2 (en) 2018-08-02 2023-10-24 Uatc, Llc Detecting and tracking Lidar cross-talk
JP7204416B2 (ja) * 2018-10-23 2023-01-16 ファナック株式会社 タッチパネル装置、タッチパネル装置の制御方法、プログラムおよびプログラムを記憶する記憶媒体
US10949021B2 (en) * 2019-03-08 2021-03-16 Chargepoint, Inc. Electric field touchscreen
CN114270708B (zh) * 2019-10-08 2024-09-03 代傲阿扣基金两合公司 用于设定电容式触摸开关的采样频率的方法
CN110672952A (zh) * 2019-10-11 2020-01-10 深圳创维－Rgb电子有限公司 一种测试装置
KR102276614B1 (ko) * 2019-11-29 2021-07-13 한국생산기술연구원 비접촉식 생체신호 측정 방법 및 장치와 이를 이용하는 의류
CN111273774A (zh) * 2020-01-19 2020-06-12 惠州Tcl移动通信有限公司 终端设备显示屏控制方法及其系统、存储介质及终端设备
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
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Publication number Publication date
US20160187450A1 (en) 2016-06-30
EP2885611B1 (en) 2018-10-03
JP2015527005A (ja) 2015-09-10
KR20150043353A (ko) 2015-04-22
EP2885611A2 (en) 2015-06-24
CN104662393A (zh) 2015-05-27
WO2014027074A2 (en) 2014-02-20
TWI616795B (zh) 2018-03-01
US9279874B2 (en) 2016-03-08
KR102056428B1 (ko) 2020-01-22
US20140049266A1 (en) 2014-02-20
TW201413555A (zh) 2014-04-01
JP6438394B2 (ja) 2018-12-12
WO2014027074A3 (en) 2014-05-30
US9678192B2 (en) 2017-06-13

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