TW201012063A - Capacitive proximity device and electronic device comprising the capacitive proximity device - Google Patents
Capacitive proximity device and electronic device comprising the capacitive proximity device Download PDFInfo
- Publication number
- TW201012063A TW201012063A TW098119571A TW98119571A TW201012063A TW 201012063 A TW201012063 A TW 201012063A TW 098119571 A TW098119571 A TW 098119571A TW 98119571 A TW98119571 A TW 98119571A TW 201012063 A TW201012063 A TW 201012063A
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- TW
- Taiwan
- Prior art keywords
- signal
- noise
- circuit
- capacitor
- measured
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims abstract description 23
- 230000005684 electric field Effects 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 68
- 230000001629 suppression Effects 0.000 claims description 45
- 230000000737 periodic effect Effects 0.000 claims description 41
- 238000012937 correction Methods 0.000 claims description 31
- 230000008859 change Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 abstract description 46
- 230000009467 reduction Effects 0.000 description 21
- 238000004590 computer program Methods 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 10
- 230000003321 amplification Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000003199 nucleic acid amplification method Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 4
- 230000035559 beat frequency Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- -1 vanadium oxime Chemical class 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electronic Switches (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08158228 | 2008-06-13 | ||
| EP08159790 | 2008-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201012063A true TW201012063A (en) | 2010-03-16 |
Family
ID=41137662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW098119571A TW201012063A (en) | 2008-06-13 | 2009-06-11 | Capacitive proximity device and electronic device comprising the capacitive proximity device |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8723532B2 (https=) |
| EP (1) | EP2289168B1 (https=) |
| JP (1) | JP5464504B2 (https=) |
| KR (1) | KR101677752B1 (https=) |
| CN (1) | CN102067450B (https=) |
| TW (1) | TW201012063A (https=) |
| WO (1) | WO2009150618A2 (https=) |
Families Citing this family (33)
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| WO2012027327A2 (en) * | 2010-08-24 | 2012-03-01 | Cypress Semiconductor Corporation | Noise suppression circuits and methods for capacitance sensing systems |
| EP2767076A1 (en) * | 2011-09-28 | 2014-08-20 | Sony Ericsson Mobile Communications AB | Controlling power for a headset |
| DE102011116991B4 (de) * | 2011-10-26 | 2018-12-06 | Austriamicrosystems Ag | Geräuschunterdrückungssystem und Verfahren zur Geräuschunterdrückung |
| DE102011121775B3 (de) | 2011-12-21 | 2013-01-31 | Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt | Steuersystem |
| KR101278288B1 (ko) * | 2012-02-10 | 2013-06-24 | 실리콤텍(주) | 근접 디바이스 및 그의 제어 방법 |
| EP2642663B1 (de) * | 2012-03-20 | 2016-06-15 | Pepperl + Fuchs GmbH | Sensor und Verfahren zum Nachweisen eines Objekts |
| JP6048641B2 (ja) * | 2012-07-27 | 2016-12-21 | ぺんてる株式会社 | 静電容量結合方式静電センサー |
| US9946410B2 (en) | 2013-03-15 | 2018-04-17 | Microchip Technology Germany Gmbh | System and method for energy efficient measurement of sensor signal |
| LU92178B1 (en) | 2013-04-09 | 2014-10-10 | Iee Sarl | Capacitive sensing device |
| LU92179B1 (en) * | 2013-04-09 | 2014-10-10 | Iee Sarl | Capacitive sensing device |
| US20150084649A1 (en) * | 2013-09-26 | 2015-03-26 | L & P Property Management Company | Capacitive wire sensing for guarding applications |
| 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 (https=) * | 2014-11-06 | 2016-05-09 | Iee Sarl | |
| DE102016106860B4 (de) * | 2015-04-17 | 2026-04-23 | Ford Global Technologies, Llc | Gruppenbasierte Gleichtaktunterdrückunq von Näherunqsschalteranordnunqen |
| 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 |
| JP7352572B2 (ja) * | 2018-12-11 | 2023-09-28 | ローツェ株式会社 | 静電容量センサ |
| WO2020120557A1 (de) * | 2018-12-12 | 2020-06-18 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Anordnung für ein fahrzeug |
| WO2020126036A1 (en) * | 2018-12-21 | 2020-06-25 | Essity Hygiene And Health Aktiebolag | Detecting a filling status of a 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 |
| US11611374B2 (en) * | 2020-08-05 | 2023-03-21 | Apple Inc. | Low-frequency detection and ranging |
| CN115803641A (zh) * | 2020-08-20 | 2023-03-14 | 阿尔卑斯阿尔派株式会社 | 静电电容检测装置以及静电电容检测方法 |
| 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 | Priority date | Publication date | Assignee | Title |
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| US3936755A (en) | 1974-07-19 | 1976-02-03 | Rca Corporation | Proximity switch circuit |
| JPS54153663A (en) | 1978-05-24 | 1979-12-04 | Nippon Kokan Kk | Method of removing nozzle for measured signal of molten material level in mold for continuous casting |
| JPS6029204A (ja) | 1983-07-28 | 1985-02-14 | Ube Ind Ltd | 鋼片の切断方法 |
| JPS6029204U (ja) * | 1983-08-04 | 1985-02-27 | 新日本製鐵株式会社 | 静電容量形変位検出端 |
| FR2679043B1 (fr) * | 1991-07-08 | 1993-11-26 | Bertin Et Cie | Detecteur de proximite. |
| US5914610A (en) * | 1994-02-03 | 1999-06-22 | Massachusetts Institute Of Technology | Apparatus and method for characterizing movement of a mass within a defined space |
| JP3655925B2 (ja) * | 1996-02-23 | 2005-06-02 | マサチューセッツ・インスティテュート・オブ・テクノロジー | 規定された空間における存在、向き及び活動を分析するための変位電流による方法及び装置 |
| JP3882945B2 (ja) * | 1996-04-22 | 2007-02-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 医療診断装置用の試験電極を有する電磁対象検出器 |
| KR19990079584A (ko) | 1998-04-07 | 1999-11-05 | 윤종용 | 사용자 감지 장치를 갖는 저소비 전력용 컴퓨터 시스템 및 그의전원 공급 제어 방법 |
| DE19836054A1 (de) | 1998-08-10 | 2000-02-17 | Bosch Gmbh Robert | Meßschaltung |
| DE10012830A1 (de) | 2000-03-16 | 2001-09-20 | Turck Werner Kg | Elektronischer Näherungsschalter |
| US6724324B1 (en) | 2000-08-21 | 2004-04-20 | Delphi Technologies, Inc. | Capacitive proximity sensor |
| US6650322B2 (en) | 2000-12-27 | 2003-11-18 | Intel Corporation | Computer screen power management through detection of user presence |
| US7109726B2 (en) * | 2001-07-25 | 2006-09-19 | Koninklijke Philips Electronics N.V. | Object sensing |
| US20030051179A1 (en) | 2001-09-13 | 2003-03-13 | Tsirkel Aaron M. | Method and apparatus for power management of displays |
| US20030122777A1 (en) | 2001-12-31 | 2003-07-03 | Grover Andrew S. | Method and apparatus for configuring a computer system based on user distance |
| GB0310409D0 (en) * | 2003-05-07 | 2003-06-11 | Koninkl Philips Electronics Nv | Object sensing |
| JP4336142B2 (ja) * | 2003-05-23 | 2009-09-30 | 日立アプライアンス株式会社 | 空気調和機の通信制御装置 |
| US7233309B2 (en) | 2003-09-30 | 2007-06-19 | Intel Corporation | Coordinating backlight frequency and refresh rate in a panel display |
| US7002393B2 (en) * | 2004-03-19 | 2006-02-21 | Mediatek Inc. | Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof |
| WO2006025003A1 (en) | 2004-08-31 | 2006-03-09 | Koninklijke Philips Electronics N.V. | Proximity sensor for x-ray apparatus |
| JP2006310999A (ja) | 2005-04-27 | 2006-11-09 | Sony Corp | 画像処理装置および方法、並びにプログラム |
| JP2006352442A (ja) | 2005-06-15 | 2006-12-28 | Seiko Epson Corp | 集積回路装置、マイクロコンピュータ及び電子機器 |
| JP4582463B2 (ja) | 2006-02-03 | 2010-11-17 | 日本ビクター株式会社 | 接近センサー装置 |
| JP2009192253A (ja) * | 2008-02-12 | 2009-08-27 | Seiko Instruments Inc | 近接検出装置及びその方法 |
-
2009
- 2009-06-10 EP EP09762145.2A patent/EP2289168B1/en active Active
- 2009-06-10 CN CN200980122018.6A patent/CN102067450B/zh not_active Expired - Fee Related
- 2009-06-10 JP JP2011513105A patent/JP5464504B2/ja active Active
- 2009-06-10 KR KR1020117000698A patent/KR101677752B1/ko active Active
- 2009-06-10 US US12/995,202 patent/US8723532B2/en active Active
- 2009-06-10 WO PCT/IB2009/052469 patent/WO2009150618A2/en not_active Ceased
- 2009-06-11 TW TW098119571A patent/TW201012063A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP2289168B1 (en) | 2016-09-07 |
| JP5464504B2 (ja) | 2014-04-09 |
| KR20110030559A (ko) | 2011-03-23 |
| CN102067450A (zh) | 2011-05-18 |
| US8723532B2 (en) | 2014-05-13 |
| WO2009150618A3 (en) | 2010-04-22 |
| JP2011525323A (ja) | 2011-09-15 |
| WO2009150618A2 (en) | 2009-12-17 |
| US20110084709A1 (en) | 2011-04-14 |
| EP2289168A2 (en) | 2011-03-02 |
| KR101677752B1 (ko) | 2016-11-18 |
| CN102067450B (zh) | 2014-04-30 |
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