HK1102314A1 - Linear capacitance measurement and touchless switch - Google Patents

Linear capacitance measurement and touchless switch

Info

Publication number
HK1102314A1
HK1102314A1 HK07110464.9A HK07110464A HK1102314A1 HK 1102314 A1 HK1102314 A1 HK 1102314A1 HK 07110464 A HK07110464 A HK 07110464A HK 1102314 A1 HK1102314 A1 HK 1102314A1
Authority
HK
Hong Kong
Prior art keywords
capacitance measurement
linear capacitance
touchless switch
touchless
switch
Prior art date
Application number
HK07110464.9A
Other languages
English (en)
Inventor
Ying Lau Lee
Original Assignee
Ying Lau Lee
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 Ying Lau Lee filed Critical Ying Lau Lee
Publication of HK1102314A1 publication Critical patent/HK1102314A1/xx

Links

Classifications

    • 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
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • 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
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45138—Two or more differential amplifiers in IC-block form are combined, e.g. measuring amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45548—Indexing scheme relating to differential amplifiers the IC comprising one or more capacitors as shunts to earth or as short circuit between inputs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45594—Indexing scheme relating to differential amplifiers the IC comprising one or more resistors, which are not biasing resistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Amplifiers (AREA)
HK07110464.9A 2004-08-16 2007-09-27 Linear capacitance measurement and touchless switch HK1102314A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US60161004P 2004-08-16 2004-08-16
US61969704P 2004-10-19 2004-10-19
US66237805P 2005-03-17 2005-03-17
US69048605P 2005-06-15 2005-06-15
PCT/CN2005/001277 WO2006017988A1 (en) 2004-08-16 2005-08-16 Linear capacitance measurement and touchless switch

Publications (1)

Publication Number Publication Date
HK1102314A1 true HK1102314A1 (en) 2007-11-16

Family

ID=35907231

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07110464.9A HK1102314A1 (en) 2004-08-16 2007-09-27 Linear capacitance measurement and touchless switch

Country Status (7)

Country Link
US (1) US7323886B2 (xx)
JP (1) JP4850835B2 (xx)
CA (2) CA2658709C (xx)
DE (1) DE112005001697T5 (xx)
GB (2) GB2451765B (xx)
HK (1) HK1102314A1 (xx)
WO (1) WO2006017988A1 (xx)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100419655C (zh) * 2005-04-08 2008-09-17 鸿富锦精密工业（深圳）有限公司 触摸式感应装置
DE102005041112A1 (de) * 2005-08-30 2007-03-01 BSH Bosch und Siemens Hausgeräte GmbH Kapazitiver Annäherungsschalter und Haushaltgerät mit einem solchen
EP1777821B1 (en) * 2005-08-31 2008-07-09 Electrolux Home Products Corporation N.V. Electronic circuit with capacitative switching ability
TWI300529B (en) * 2005-10-05 2008-09-01 Holtek Semiconductor Inc Proximaty sensing device and sensing method thereof
KR100649890B1 (ko) * 2006-03-27 2006-11-28 주식회사 루트로닉 접촉 센서를 이용한 레이저 빔 컨트롤 장치 및 컨트롤 방법
US8144125B2 (en) 2006-03-30 2012-03-27 Cypress Semiconductor Corporation Apparatus and method for reducing average scan rate to detect a conductive object on a sensing device
US8040142B1 (en) 2006-03-31 2011-10-18 Cypress Semiconductor Corporation Touch detection techniques for capacitive touch sense systems
US8004497B2 (en) 2006-05-18 2011-08-23 Cypress Semiconductor Corporation Two-pin buttons
JP5045023B2 (ja) * 2006-08-09 2012-10-10 パナソニック株式会社 入力装置
JP4444933B2 (ja) * 2006-08-29 2010-03-31 小島プレス工業株式会社 照明装置のタッチスイッチ
JP4929937B2 (ja) * 2006-09-08 2012-05-09 アイシン精機株式会社 静電容量検出装置
US8547114B2 (en) 2006-11-14 2013-10-01 Cypress Semiconductor Corporation Capacitance to code converter with sigma-delta modulator
US7501836B2 (en) * 2006-11-14 2009-03-10 Avago Technologies Enterprise IP (Singapore) Pte. Ltd. Apparatus and method for determining capacitance variation in an integrated circuit
US8089288B1 (en) * 2006-11-16 2012-01-03 Cypress Semiconductor Corporation Charge accumulation capacitance sensor with linear transfer characteristic
JP4302728B2 (ja) * 2006-12-06 2009-07-29 小島プレス工業株式会社 車両アクセサリ用タッチスイッチ
US8058937B2 (en) 2007-01-30 2011-11-15 Cypress Semiconductor Corporation Setting a discharge rate and a charge rate of a relaxation oscillator circuit
US8144126B2 (en) 2007-05-07 2012-03-27 Cypress Semiconductor Corporation Reducing sleep current in a capacitance sensing system
US9500686B1 (en) 2007-06-29 2016-11-22 Cypress Semiconductor Corporation Capacitance measurement system and methods
US8570053B1 (en) 2007-07-03 2013-10-29 Cypress Semiconductor Corporation Capacitive field sensor with sigma-delta modulator
US8169238B1 (en) 2007-07-03 2012-05-01 Cypress Semiconductor Corporation Capacitance to frequency converter
US8089289B1 (en) 2007-07-03 2012-01-03 Cypress Semiconductor Corporation Capacitive field sensor with sigma-delta modulator
DE102007048402A1 (de) * 2007-10-09 2009-04-16 Gerd Reime Bedieneinheit und Verfahren zur Auslösung einer Funktion
WO2009058745A2 (en) * 2007-10-28 2009-05-07 Synaptics Incorporated Determining actuation of multi-sensor electrode capacitive buttons
US8525798B2 (en) 2008-01-28 2013-09-03 Cypress Semiconductor Corporation Touch sensing
US8319505B1 (en) 2008-10-24 2012-11-27 Cypress Semiconductor Corporation Methods and circuits for measuring mutual and self capacitance
US8358142B2 (en) 2008-02-27 2013-01-22 Cypress Semiconductor Corporation Methods and circuits for measuring mutual and self capacitance
US9104273B1 (en) 2008-02-29 2015-08-11 Cypress Semiconductor Corporation Multi-touch sensing method
US8321174B1 (en) 2008-09-26 2012-11-27 Cypress Semiconductor Corporation System and method to measure capacitance of capacitive sensor array
JP2010105588A (ja) * 2008-10-31 2010-05-13 Kojima Press Industry Co Ltd 車室内照明装置用の照明レンズ
RU2472106C2 (ru) * 2008-12-23 2013-01-10 Закрытое акционерное общество "Нанотехнология-МДТ" Емкостной датчик для измерения линейных перемещений
JP5655223B2 (ja) * 2009-01-30 2015-01-21 株式会社フジクラ 乗員姿勢検知装置
WO2011098281A2 (en) * 2010-02-10 2011-08-18 Ident Technology Ag System and method for the generation of a signal correlated with a manual input operation
JP5502597B2 (ja) * 2010-05-24 2014-05-28 ルネサスエレクトロニクス株式会社 インピーダンス検出回路およびインピーダンス検出方法
JP5712558B2 (ja) * 2010-10-27 2015-05-07 セイコーエプソン株式会社 信号レベル変換回路、物理量検出装置及び電子機器
CN102006048B (zh) * 2010-12-24 2013-03-27 江苏惠通集团有限责任公司 按键侦测板
TW201232375A (en) * 2011-01-31 2012-08-01 xiang-yu Li Measuring device for micro impedance variation
TWI490456B (zh) 2011-04-29 2015-07-01 Elan Microelectronics Corp Differential Capacitance Sensing Circuit and Method
CN102364879A (zh) * 2011-06-23 2012-02-29 苏州瀚瑞微电子有限公司 电容式触摸按键的电路结构
JP2015194813A (ja) * 2014-03-31 2015-11-05 Smk株式会社 静電容量式タッチパネル
US9304643B2 (en) 2014-06-24 2016-04-05 Synaptics Incorporated Classifying input objects interacting with a capacitive button
US10073574B2 (en) 2015-10-26 2018-09-11 Semiconductor Components Industries, Llc Methods and apparatus for a capacitive sensor
US11291252B2 (en) * 2015-12-18 2022-04-05 Rai Strategic Holdings, Inc. Proximity sensing for an aerosol delivery device
IT201600103234A1 (it) 2016-10-14 2018-04-14 Green Seas Ventures Ldt Sistema Costruttivo afferente un sensore capacitivo di tensione
EP4089425B1 (en) * 2016-12-21 2023-07-12 Alps Alpine Co., Ltd. Capacitance detection device and input device
IT201800004114A1 (it) * 2018-03-30 2019-09-30 Green Seas Ventures Ltd C/O Citco B V I Ltd Sistema costruttivo afferente un sensore capacitivo di tensione
JP7155653B2 (ja) 2018-06-22 2022-10-19 コニカミノルタ株式会社 駆動装置、画像形成装置、および制御プログラム
US11346876B2 (en) 2018-12-17 2022-05-31 G & W Electric Company Electrical sensor assembly
WO2020131903A1 (en) 2018-12-17 2020-06-25 G & W Electric Company Electrical sensor assembly

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623536B2 (xx) * 1973-01-22 1981-06-01
US3909625A (en) * 1973-07-30 1975-09-30 Magic Dot Inc Touch actuated electronic switch
US4550221A (en) * 1983-10-07 1985-10-29 Scott Mabusth Touch sensitive control device
IT1213243B (it) * 1984-11-12 1989-12-14 Ates Componenti Elettron Circuito buffer a struttura differenziale per la misurazione di cariche capacitive.
JPS63502540A (ja) * 1986-01-30 1988-09-22 インテレクト　エレクトロニクス　リミテツド 近接検出装置
KR900008756B1 (en) * 1987-05-27 1990-11-29 Mitsubishi Electric Corp Amplifier
JP2934672B2 (ja) * 1989-07-03 1999-08-16 直之 大纒 静電容量型検出装置
US5442347A (en) * 1993-01-25 1995-08-15 The United States Of America As Represented By The Administrater, National Aeronautics & Space Administration Double-driven shield capacitive type proximity sensor
GB9404416D0 (en) 1994-03-08 1994-04-20 Turner Intellect Property Ltd Device for finding concealed studs
JP3233791B2 (ja) 1994-08-25 2001-11-26 株式会社山武 差動容量反転積分器及びこれを用いた静電容量変化量検出装置
US5594222A (en) * 1994-10-25 1997-01-14 Integrated Controls Touch sensor and control circuit therefor
JP2561040B2 (ja) 1994-11-28 1996-12-04 日本電気株式会社 容量型センサの容量変化検出回路およびその検出方法
DE19536198B4 (de) * 1995-09-28 2006-03-30 Endress + Hauser Gmbh + Co. Kg Kapazitiver Schalter
JPH09280806A (ja) 1996-04-09 1997-10-31 Nissan Motor Co Ltd 静電容量式変位計
ATE295629T1 (de) 1996-12-10 2005-05-15 David W Caldwell Differentieller berührungssensor und steuerungsschaltung dafür
US5986497A (en) * 1997-05-16 1999-11-16 Mitsubishi Denki Kabushiki Kaisha Interface circuit for capacitive sensor
JPH1167030A (ja) 1997-08-08 1999-03-09 Tietech Co Ltd タッチレススイッチ
US6151967A (en) 1998-03-10 2000-11-28 Horizon Technology Group Wide dynamic range capacitive transducer
EP1078341A4 (en) * 1999-03-05 2010-01-06 Tk Holdings Inc PROXIMITY SENSOR
DE19943618C1 (de) * 1999-09-11 2001-05-31 Bayerische Motoren Werke Ag Kapazitiver Intrusionssensor und Sensorsystem mit einem solchen Sensor
US6366099B1 (en) 1999-12-21 2002-04-02 Conrad Technologies, Inc. Differential capacitance sampler
US6501282B1 (en) * 2000-09-29 2002-12-31 Rockwell Automation Technologies, Inc. Highly sensitive capacitance comparison circuit
US6462562B1 (en) 2000-11-28 2002-10-08 Bechtel Bwxt Idaho, Llc Differential capacitance probe for process control involving aqueous dielectric fluids
JP4336066B2 (ja) * 2001-07-11 2009-09-30 株式会社豊田中央研究所 静電容量型センサ装置
JP4035418B2 (ja) * 2001-10-31 2008-01-23 株式会社本田電子技研 近接スイッチおよび物体検出装置
US6842018B2 (en) * 2002-05-08 2005-01-11 Mcintosh Robert B. Planar capacitive transducer
JP2004022356A (ja) * 2002-06-17 2004-01-22 Omron Corp タッチスイッチ
US6922063B2 (en) * 2003-07-11 2005-07-26 Zircon Corporation Apparatus and method for capacitive level sensor
JP2005140657A (ja) * 2003-11-07 2005-06-02 Denso Corp 静電容量型センサの容量変化検出回路

Also Published As

Publication number Publication date
CA2575648C (en) 2010-09-28
US20060033508A1 (en) 2006-02-16
GB2451765A8 (en) 2009-02-11
CA2575648A1 (en) 2006-02-23
GB2451765B8 (en) 2009-05-06
GB2431246B (en) 2009-01-14
CA2658709A1 (en) 2006-02-23
GB2451765B (en) 2009-05-06
JP2008510396A (ja) 2008-04-03
WO2006017988A1 (en) 2006-02-23
GB0701267D0 (en) 2007-02-28
CA2658709C (en) 2013-06-25
JP4850835B2 (ja) 2012-01-11
GB2451765A (en) 2009-02-11
DE112005001697T5 (de) 2008-07-24
GB2431246A (en) 2007-04-18
GB0817444D0 (en) 2008-10-29
US7323886B2 (en) 2008-01-29

Similar Documents

Publication Publication Date Title
GB2431246B (en) Linear capacitance measurement and touchless switch
HK1083555A1 (en) Electrical capacitance proximity sensor
EP1892609A4 (en) TRANSPARENT PLANAR BODY AND TRANSPARENT TOUCH SWITCH
HK1135781A1 (en) Movable touch pad with added functionality
EP1796256A4 (en) PIEZOELECTRIC COMPONENT AND PIEZOELECTRIC SWITCH WITH THEREOF
GB2418259B (en) Improvements in touch technology
GB2418493B (en) Capacitive position sensor
EP1766616A4 (en) EQUIPMENT AND EQUIPMENT ARRANGEMENTS
HK1084440A1 (en) Touch probe
EP1763048A4 (en) SWITCHING DEVICE
DE602005001822D1 (de) Tastschalter und elektronisches Gerät
SG121171A1 (en) Selectable capacitance circuit
EP1794792A4 (en) DISTANCE CHANGE DETECTION BY CAPACITIVE TECHNIQUES
HK1089289A1 (en) Lighted switch device
GB0317644D0 (en) Capacitive sensor
EP1589327A4 (en) CAPACITIVE SENSOR
EG24899A (en) Push-button switch
EP1754961A4 (en) CAPACITATIVE LIQUID STATE SENSOR
AU2005289529A1 (en) Touch Switches and Practical Applications Therefor
SG115850A1 (en) Illuminated pushbutton switch
GB2409579B (en) Push-button switch unit
EP1719994A4 (en) CAPACITIVE SENSOR
PL1794914T3 (pl) Elastyczny przełącznik
AU2003278190A8 (en) Variable capacitance measuring device
EP1968085A4 (en) PRESSURE SWITCH AND ELECTRONIC DEVICE THEREFOR

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20210807