JP5285423B2 - 近接度の検出のために電荷移動静電容量センサを保護するための方法およびシステム - Google Patents
近接度の検出のために電荷移動静電容量センサを保護するための方法およびシステム Download PDFInfo
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- 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
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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
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- 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
- 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
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- 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
- H03K17/965—Switches controlled by moving an element forming part of the switch
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- 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
- H03K2017/9602—Touch switches characterised by the type or shape of the sensing electrodes
-
- 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
- H03K2217/96058—Fail-safe touch switches, where switching takes place only after repeated touch
-
- 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
- H03K2217/96071—Capacitive touch switches characterised by the detection principle
- H03K2217/960725—Charge-transfer
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- 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)
- Measurement Of Resistance Or Impedance (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Position Input By Displaying (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Electronic Switches (AREA)
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Description
Claims (4)
- 近接検知のために可測キャパシタンスを決定するデバイスにおいて、
前記可測キャパシタンスがそれらの少なくとも一つに関連づけられる複数の検知電極と、
前記複数の検知電極の少なくとも一つに近接する保護電極に結合された受動保護回路網と、
積分キャパシタンスと、
前記受動保護回路網を介して前記保護電極に結合された第1出力と、複数の第2出力とを含むプログラマブルコントローラであって、前記複数の第2出力の各々は、前記複数の検知電極の少なくとも一つに結合されている、プログラマブルコントローラと
を備え、
前記プログラマブルコントローラは、前記第1出力を用いて、かつ前記受動保護回路網を通じて、前記保護電極に少なくとも二つの異なった電圧を含む波形を持つ保護信号を印加し、前記複数の第2出力の少なくとも一つを用いて、前記複数の検知電極のうちの少なくとも一つに所定の電圧を印加し、前記所定の電圧の印加が終了した後に、電荷が前記積分キャパシタンスに蓄積されるように前記複数の検知電極のうちの少なくとも一つと前記積分キャパシタンスとの間で電荷を分配し、近接検出のための可測キャパシタンスの決定のために少なくとも一つの結果を生成するように少なくとも一回前記積分キャパシタンスの電圧を計測するように構成されている、デバイス。 - 前記保護信号の前記少なくとも二つの異なった電圧は、前記検知電極に印加される電圧および前記積分キャパシタンスのリセット電圧によって定義される範囲と同様の範囲にわたる、請求項1記載のデバイス。
- 近接検知のために可測キャパシタンスを決定するデバイスにおいて、
前記可測キャパシタンスがそれらの少なくとも一つに関連づけられる複数の検知電極と、
前記複数の検知電極の少なくとも一つに近接する保護電極と、
受動回路網内の積分キャパシタンスと、
前記複数の検知電極と前記保護電極と前記受動回路網とに結合されたコントローラとを備え、前記コントローラは、前記保護電極に少なくとも二つの異なった電圧を含む波形を持つ保護信号を印加し、前記複数の検知電極のうちの少なくとも一つに所定の電圧を印加し、前記所定の電圧の印加が終了した後に、電荷が前記積分キャパシタンスに蓄積されるように前記複数の検知電極のうちの少なくとも一つと前記受動回路網との間で電荷を分配し、近接検出のための可測キャパシタンスの決定のために少なくとも一つの結果を生成するように少なくとも一回前記積分キャパシタンスの電圧を計測するように構成され、
前記少なくとも二つの異なった電圧の第1電圧は前記検知電極に印加される電圧に近く、前記少なくとも二つの異なった電圧の第2電圧は前記積分キャパシタンスの電圧の平均に近い、デバイス。 - 前記保護信号の前記少なくとも二つの異なった電圧は、前記検知電極に印加される電圧および前記積分キャパシタンスのリセット電圧によって定義される範囲と同様の範囲にわたる、請求項3記載のデバイス。
Applications Claiming Priority (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68703905P | 2005-06-03 | 2005-06-03 | |
US68714805P | 2005-06-03 | 2005-06-03 | |
US68701205P | 2005-06-03 | 2005-06-03 | |
US68703705P | 2005-06-03 | 2005-06-03 | |
US68716705P | 2005-06-03 | 2005-06-03 | |
US60/687,148 | 2005-06-03 | ||
US60/687,167 | 2005-06-03 | ||
US60/687,039 | 2005-06-03 | ||
US60/687,012 | 2005-06-03 | ||
US60/687,037 | 2005-06-03 | ||
US77484306P | 2006-02-16 | 2006-02-16 | |
US60/774,843 | 2006-02-16 | ||
PCT/US2006/021727 WO2006133084A2 (en) | 2005-06-03 | 2006-06-03 | Methods and systems for guarding a charge transfer capacitance sensor for proximity detection |
Publications (3)
Publication Number | Publication Date |
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JP2009508086A JP2009508086A (ja) | 2009-02-26 |
JP2009508086A5 JP2009508086A5 (ja) | 2009-07-23 |
JP5285423B2 true JP5285423B2 (ja) | 2013-09-11 |
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Family Applications (3)
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JP2008514894A Expired - Fee Related JP5395429B2 (ja) | 2005-06-03 | 2006-06-02 | シグマデルタ測定法を使用してキャパシタンスを検出するための方法およびシステム |
JP2008514958A Expired - Fee Related JP5285423B2 (ja) | 2005-06-03 | 2006-06-03 | 近接度の検出のために電荷移動静電容量センサを保護するための方法およびシステム |
JP2008514956A Pending JP2008542765A (ja) | 2005-06-03 | 2006-06-03 | 切替電荷移動法を使用してキャパシタンスを検出するための方法およびシステム |
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JP2008514894A Expired - Fee Related JP5395429B2 (ja) | 2005-06-03 | 2006-06-02 | シグマデルタ測定法を使用してキャパシタンスを検出するための方法およびシステム |
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JP2008514956A Pending JP2008542765A (ja) | 2005-06-03 | 2006-06-03 | 切替電荷移動法を使用してキャパシタンスを検出するための方法およびシステム |
Country Status (5)
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US (5) | US7262609B2 (ja) |
EP (3) | EP1886152A1 (ja) |
JP (3) | JP5395429B2 (ja) |
KR (3) | KR101340860B1 (ja) |
WO (2) | WO2006133084A2 (ja) |
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Also Published As
Publication number | Publication date |
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US20080042661A1 (en) | 2008-02-21 |
WO2006133082A1 (en) | 2006-12-14 |
US7521942B2 (en) | 2009-04-21 |
KR101245117B1 (ko) | 2013-03-25 |
KR20080015423A (ko) | 2008-02-19 |
JP2009508086A (ja) | 2009-02-26 |
KR101340860B1 (ko) | 2013-12-13 |
EP1905154A2 (en) | 2008-04-02 |
JP2008542760A (ja) | 2008-11-27 |
US20100308847A1 (en) | 2010-12-09 |
JP5395429B2 (ja) | 2014-01-22 |
KR20080012936A (ko) | 2008-02-12 |
US20060284639A1 (en) | 2006-12-21 |
KR20080027242A (ko) | 2008-03-26 |
EP1886152A1 (en) | 2008-02-13 |
US7417441B2 (en) | 2008-08-26 |
US20090206852A1 (en) | 2009-08-20 |
EP2264897A1 (en) | 2010-12-22 |
US7262609B2 (en) | 2007-08-28 |
WO2006133084A2 (en) | 2006-12-14 |
JP2008542765A (ja) | 2008-11-27 |
US7777503B2 (en) | 2010-08-17 |
US7973542B2 (en) | 2011-07-05 |
WO2006133084A3 (en) | 2007-03-08 |
US20070268026A1 (en) | 2007-11-22 |
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