JP4941938B2 - 容量変化検出回路、タッチパネル及び判定方法 - Google Patents

容量変化検出回路、タッチパネル及び判定方法 Download PDF

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Publication number
JP4941938B2
JP4941938B2 JP2007264112A JP2007264112A JP4941938B2 JP 4941938 B2 JP4941938 B2 JP 4941938B2 JP 2007264112 A JP2007264112 A JP 2007264112A JP 2007264112 A JP2007264112 A JP 2007264112A JP 4941938 B2 JP4941938 B2 JP 4941938B2
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JP
Japan
Prior art keywords
resistor
electrode
signal
capacitance change
detection circuit
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2007264112A
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English (en)
Japanese (ja)
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JP2009094849A5 (enExample
JP2009094849A (ja
Inventor
一人 山内
靖典 村山
貞彦 田中
敬太郎 瀧澤
耕一 山野上
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.)
Mitsubishi Motors Corp
Visteon Japan Ltd
Original Assignee
Mitsubishi Motors Corp
Visteon Japan Ltd
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
Priority to JP2007264112A priority Critical patent/JP4941938B2/ja
Application filed by Mitsubishi Motors Corp, Visteon Japan Ltd filed Critical Mitsubishi Motors Corp
Priority to PCT/JP2008/068300 priority patent/WO2009048077A1/ja
Priority to RU2010118585/08A priority patent/RU2433526C1/ru
Priority to KR1020107010056A priority patent/KR101126508B1/ko
Priority to DE112008002731.5T priority patent/DE112008002731B4/de
Priority to CN2008801111875A priority patent/CN101821947B/zh
Priority to US12/680,390 priority patent/US8587553B2/en
Publication of JP2009094849A publication Critical patent/JP2009094849A/ja
Publication of JP2009094849A5 publication Critical patent/JP2009094849A5/ja
Application granted granted Critical
Publication of JP4941938B2 publication Critical patent/JP4941938B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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

Landscapes

  • 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)
  • Position Input By Displaying (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP2007264112A 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 Expired - Fee Related JP4941938B2 (ja)

Priority Applications (7)

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
RU2010118585/08A RU2433526C1 (ru) 2007-10-10 2008-10-08 Схема обнаружения изменения емкости, тактильная панель и способ определения
KR1020107010056A KR101126508B1 (ko) 2007-10-10 2008-10-08 용량 변화 검출 회로, 터치 패널 및 판정 방법
DE112008002731.5T DE112008002731B4 (de) 2007-10-10 2008-10-08 Kapazitätsänderungserfassungsschaltung, Touch Panel und Bestimmungsverfahren
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
CN2008801111875A CN101821947B (zh) 2007-10-10 2008-10-08 容量变化检测电路、触摸面板及判定方法
US12/680,390 US8587553B2 (en) 2007-10-10 2008-10-08 Capacitance change detection circuit, touch panel and determination method

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2009094849A JP2009094849A (ja) 2009-04-30
JP2009094849A5 JP2009094849A5 (enExample) 2010-02-12
JP4941938B2 true JP4941938B2 (ja) 2012-05-30

Family

ID=40549221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007264112A Expired - Fee Related 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

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
JP6115888B2 (ja) * 2013-03-29 2017-04-19 Toto株式会社 静電容量式タッチセンサ
JP6168470B2 (ja) * 2013-03-29 2017-07-26 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
DE212018000330U1 (de) * 2017-11-10 2020-05-15 Alps Alpine Co., Ltd. Eingabevorrichtung
EP3547092A4 (en) * 2018-02-05 2020-02-12 Shenzhen Goodix Technology Co., Ltd. TOUCH CONTROL DEVICE, DEMODULATION METHOD, AND TOUCH CONTROL SYSTEM

Family Cites Families (22)

* 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
JP2004028719A (ja) 2002-06-25 2004-01-29 Tdk Corp 静電容量センサ
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
JP2004206288A (ja) * 2002-12-24 2004-07-22 Alps Electric Co Ltd 入力装置を備えた電子機器
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

Also Published As

Publication number Publication date
RU2433526C1 (ru) 2011-11-10
DE112008002731T5 (de) 2010-08-26
US8587553B2 (en) 2013-11-19
CN101821947B (zh) 2012-09-05
KR101126508B1 (ko) 2012-03-29
JP2009094849A (ja) 2009-04-30
CN101821947A (zh) 2010-09-01
US20100230180A1 (en) 2010-09-16
KR20100080554A (ko) 2010-07-08
DE112008002731B4 (de) 2014-07-10
WO2009048077A1 (ja) 2009-04-16

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