CN102067450B - 电容性接近性设备和包括电容性接近性设备的电子设备 - Google Patents

电容性接近性设备和包括电容性接近性设备的电子设备 Download PDF

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Publication number
CN102067450B
CN102067450B CN200980122018.6A CN200980122018A CN102067450B CN 102067450 B CN102067450 B CN 102067450B CN 200980122018 A CN200980122018 A CN 200980122018A CN 102067450 B CN102067450 B CN 102067450B
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China
Prior art keywords
signal
noise
circuit
capacitive character
measuring
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Expired - Fee Related
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CN200980122018.6A
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English (en)
Chinese (zh)
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CN102067450A (zh
Inventor
R.J.阿斯杰斯
A.P.J.M.罗默斯
H.A.弗斯帕格特
C.N.普雷素拉
A.H.M.布洛姆
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.)
Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Publication of CN102067450A publication Critical patent/CN102067450A/zh
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
    • 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
    • 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
    • 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
    • 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
    • H03K2217/96077—Constructional details of capacitive touch and proximity switches comprising an electrode which is floating
    • 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

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  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CN200980122018.6A 2008-06-13 2009-06-10 电容性接近性设备和包括电容性接近性设备的电子设备 Expired - Fee Related CN102067450B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP08158228.0 2008-06-13
EP08158228 2008-06-13
EP08159790 2008-07-07
EP08159790.8 2008-07-07
PCT/IB2009/052469 WO2009150618A2 (en) 2008-06-13 2009-06-10 Capacitive proximity device and electronic device comprising the capacitive proximity device

Publications (2)

Publication Number Publication Date
CN102067450A CN102067450A (zh) 2011-05-18
CN102067450B true CN102067450B (zh) 2014-04-30

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CN200980122018.6A Expired - Fee Related CN102067450B (zh) 2008-06-13 2009-06-10 电容性接近性设备和包括电容性接近性设备的电子设备

Country Status (7)

Country Link
US (1) US8723532B2 (enExample)
EP (1) EP2289168B1 (enExample)
JP (1) JP5464504B2 (enExample)
KR (1) KR101677752B1 (enExample)
CN (1) CN102067450B (enExample)
TW (1) TW201012063A (enExample)
WO (1) WO2009150618A2 (enExample)

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JP6251939B2 (ja) * 2014-04-10 2017-12-27 株式会社ホンダロック 検出装置、及びドアハンドル装置
DE112015004612T5 (de) 2014-10-10 2017-06-22 Iee International Electronics & Engineering S.A. Kapazitive Erfassungsvorrichtung
LU92592B1 (enExample) * 2014-11-06 2016-05-09 Iee Sarl
CN106059556B (zh) * 2015-04-17 2022-01-11 福特全球技术公司 具有信号漂移抑制的接近开关总成及方法
DE102015119701A1 (de) 2015-11-15 2017-05-18 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg Verfahren für den Betrieb einer kapazitiven Sensoranordnung eines Kraftfahrzeugs
US9923572B2 (en) 2015-11-18 2018-03-20 Cypress Semiconductor Corporation Delta modulator receive channel for capacitance measurement circuits
US10365775B2 (en) * 2016-01-21 2019-07-30 Microchip Technology Incorporated Method and system for sensing impedance change in the local space between electrodes
CN105824736A (zh) * 2016-03-29 2016-08-03 乐视控股（北京）有限公司 外接设备断开风险检测方法及装置
US10317248B2 (en) * 2016-10-25 2019-06-11 Honeywell International Inc. Multiple-distance proximity sensor systems
US10649015B1 (en) * 2017-08-21 2020-05-12 Cirrus Logic, Inc. Capacitive sensor including compensation for phase shift
JP6965658B2 (ja) * 2017-09-25 2021-11-10 オムロン株式会社 近接センサ
GB2568478B (en) * 2017-11-15 2020-05-20 4T2 Sensors Ltd Apparatus for monitoring a fluid
JP6850717B2 (ja) * 2017-11-28 2021-03-31 日本電信電話株式会社 異常検知センサ及び異常検知システム
EP3512098A1 (en) * 2018-01-10 2019-07-17 Captron Electronic GmbH Sensor switch with spread spectrum sensing signal and synchronous rectifier
US10685970B2 (en) * 2018-06-06 2020-06-16 Globalfoundries Singapore Pte. Ltd. Low cost multiple-time programmable cell on silicon on insulator technology and method for producing the same
EP3896385B1 (en) * 2018-12-11 2024-01-17 Rorze Corporation Electrostatic capacitance sensor
DE102019133928A1 (de) * 2018-12-12 2020-06-18 Huf Hülsbeck & Fürst Gmbh & Co. Kg Anordnung für ein Fahrzeug
US11910962B2 (en) 2018-12-21 2024-02-27 Essity Hygiene And Health Aktiebolag Sensor device and method for detecting a filling status of dispenser for a consumable
US11244654B2 (en) * 2020-06-19 2022-02-08 Intel Corporation Display control apparatus and method for a display based on information indicating presence or engagement of the user of the display
WO2022038853A1 (ja) * 2020-08-20 2022-02-24 アルプスアルパイン株式会社 静電容量検出装置、及び、静電容量検出方法
CN115903051B (zh) * 2022-09-26 2025-11-04 苏州启能电子技术有限公司 一种背景抑制电容式物体感应电路

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Publication number Publication date
US8723532B2 (en) 2014-05-13
EP2289168A2 (en) 2011-03-02
US20110084709A1 (en) 2011-04-14
TW201012063A (en) 2010-03-16
CN102067450A (zh) 2011-05-18
EP2289168B1 (en) 2016-09-07
JP5464504B2 (ja) 2014-04-09
WO2009150618A2 (en) 2009-12-17
JP2011525323A (ja) 2011-09-15
WO2009150618A3 (en) 2010-04-22
KR101677752B1 (ko) 2016-11-18
KR20110030559A (ko) 2011-03-23

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