KR101126508B1 - 용량 변화 검출 회로, 터치 패널 및 판정 방법 - Google Patents

용량 변화 검출 회로, 터치 패널 및 판정 방법 Download PDF

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Publication number
KR101126508B1
KR101126508B1 KR1020107010056A KR20107010056A KR101126508B1 KR 101126508 B1 KR101126508 B1 KR 101126508B1 KR 1020107010056 A KR1020107010056 A KR 1020107010056A KR 20107010056 A KR20107010056 A KR 20107010056A KR 101126508 B1 KR101126508 B1 KR 101126508B1
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South Korea
Prior art keywords
resistor
electrode
signal
detection circuit
contact
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KR1020107010056A
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English (en)
Korean (ko)
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KR20100080554A (ko
Inventor
가즈또 야마우찌
야스노리 무라야마
사다히꼬 다나까
게이따로오 다끼자와
고오이찌 야마노우에
Original Assignee
비스테온 재팬 가부시끼가이샤
미쯔비시 지도샤 고교 가부시끼가이샤
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Publication of KR20100080554A publication Critical patent/KR20100080554A/ko
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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
    • 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
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • 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
    • 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
    • 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
    • H03K2217/96072—Phase comparison, i.e. where a phase comparator receives at one input the signal directly from the oscillator, at a second input the same signal but delayed, with a delay depending on a sensing capacitance

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Electronic Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Position Input By Displaying (AREA)
KR1020107010056A 2007-10-10 2008-10-08 용량 변화 검출 회로, 터치 패널 및 판정 방법 Expired - Fee Related KR101126508B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007264112A JP4941938B2 (ja) 2007-10-10 2007-10-10 容量変化検出回路、タッチパネル及び判定方法
JPJP-P-2007-264112 2007-10-10
PCT/JP2008/068300 WO2009048077A1 (ja) 2007-10-10 2008-10-08 容量変化検出回路、タッチパネル及び判定方法

Publications (2)

Publication Number Publication Date
KR20100080554A KR20100080554A (ko) 2010-07-08
KR101126508B1 true KR101126508B1 (ko) 2012-03-29

Family

ID=40549221

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020107010056A Expired - Fee Related KR101126508B1 (ko) 2007-10-10 2008-10-08 용량 변화 검출 회로, 터치 패널 및 판정 방법

Country Status (7)

Country Link
US (1) US8587553B2 (enExample)
JP (1) JP4941938B2 (enExample)
KR (1) KR101126508B1 (enExample)
CN (1) CN101821947B (enExample)
DE (1) DE112008002731B4 (enExample)
RU (1) RU2433526C1 (enExample)
WO (1) WO2009048077A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101499024B1 (ko) * 2012-11-28 2015-03-06 에이디반도체(주) 정전용량 센서 장치
JP6168470B2 (ja) * 2013-03-29 2017-07-26 Toto株式会社 静電容量式タッチセンサ
JP6115888B2 (ja) * 2013-03-29 2017-04-19 Toto株式会社 静電容量式タッチセンサ
DE102017105957B3 (de) 2017-03-20 2018-09-13 Hochschule Osnabrück Bedienelement zum Schalten einer elektronischen Einrichtung
CN111201582B (zh) * 2017-11-10 2023-07-28 阿尔卑斯阿尔派株式会社 输入装置
WO2019148480A1 (zh) * 2018-02-05 2019-08-08 深圳市汇顶科技股份有限公司 触摸控制器、解调方法及触控系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004028719A (ja) 2002-06-25 2004-01-29 Tdk Corp 静電容量センサ
JP2004206288A (ja) 2002-12-24 2004-07-22 Alps Electric Co Ltd 入力装置を備えた電子機器

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761736A (en) * 1971-05-12 1973-09-25 Godwin Warren Engin Ltd Proximity switches
US3781736A (en) * 1972-10-26 1973-12-25 Gen Electric Shield for permanent magnet structure
JPS629423A (ja) * 1985-07-05 1987-01-17 Seiko Epson Corp 入力兼表示装置
JP2733300B2 (ja) * 1989-04-28 1998-03-30 松下電器産業株式会社 キー入力装置
SU1699357A3 (ru) * 1990-01-31 1991-12-15 М.И. Ананьев Сенсорна панель управлени
GB9209364D0 (en) 1992-04-30 1992-06-17 Varitronix Ltd A touch sensitive device
RU2029353C1 (ru) * 1992-07-15 1995-02-20 Владимир Михайлович Киселев Сенсорная панель для ввода информации
US5594222A (en) * 1994-10-25 1997-01-14 Integrated Controls Touch sensor and control circuit therefor
US5963277A (en) * 1996-08-24 1999-10-05 Lg Electronics Inc. Position sensible liquid crystal display device
JP2000295183A (ja) * 1999-03-29 2000-10-20 Gsl Research Technology Ltd タッチリンク
JP4830228B2 (ja) * 2001-07-30 2011-12-07 オムロン株式会社 タッチセンサ
CN1287522C (zh) * 2002-12-20 2006-11-29 阿尔卑斯电气株式会社 具有静电传感器的输入装置
JP4009953B2 (ja) 2003-05-14 2007-11-21 オムロン株式会社 物体検知センサ
KR101098635B1 (ko) * 2004-02-13 2011-12-23 큐알쥐 리미티드 정전용량 센서
DE102005063023A1 (de) * 2005-12-14 2007-06-21 Gerd Reime Anordnung zur Überwachung eines Objekts
CN100370402C (zh) * 2005-08-05 2008-02-20 鸿富锦精密工业（深圳）有限公司 触摸式感应装置
US8279180B2 (en) * 2006-05-02 2012-10-02 Apple Inc. Multipoint touch surface controller
CN1877994B (zh) * 2006-06-27 2010-05-12 杭州电子科技大学 轻触式多点控制开关
US7812827B2 (en) * 2007-01-03 2010-10-12 Apple Inc. Simultaneous sensing arrangement
DE102007048402A1 (de) * 2007-10-09 2009-04-16 Gerd Reime Bedieneinheit und Verfahren zur Auslösung einer Funktion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004028719A (ja) 2002-06-25 2004-01-29 Tdk Corp 静電容量センサ
JP2004206288A (ja) 2002-12-24 2004-07-22 Alps Electric Co Ltd 入力装置を備えた電子機器

Also Published As

Publication number Publication date
US8587553B2 (en) 2013-11-19
JP2009094849A (ja) 2009-04-30
WO2009048077A1 (ja) 2009-04-16
RU2433526C1 (ru) 2011-11-10
JP4941938B2 (ja) 2012-05-30
DE112008002731T5 (de) 2010-08-26
CN101821947B (zh) 2012-09-05
DE112008002731B4 (de) 2014-07-10
KR20100080554A (ko) 2010-07-08
US20100230180A1 (en) 2010-09-16
CN101821947A (zh) 2010-09-01

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