DE602004009916D1 - Kapazitives system zur detektion von objekten und entsprechendes verfahren - Google Patents

Kapazitives system zur detektion von objekten und entsprechendes verfahren

Info

Publication number
DE602004009916D1
DE602004009916D1 DE602004009916T DE602004009916T DE602004009916D1 DE 602004009916 D1 DE602004009916 D1 DE 602004009916D1 DE 602004009916 T DE602004009916 T DE 602004009916T DE 602004009916 T DE602004009916 T DE 602004009916T DE 602004009916 D1 DE602004009916 D1 DE 602004009916D1
Authority
DE
Germany
Prior art keywords
corresponding method
detecting objects
capacitive system
electrode
adc
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 - Lifetime
Application number
DE602004009916T
Other languages
English (en)
Other versions
DE602004009916T2 (de
Inventor
Berkel Cornelis Van
Asher J Hoskins
David S George
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004009916D1 publication Critical patent/DE602004009916D1/de
Application granted granted Critical
Publication of DE602004009916T2 publication Critical patent/DE602004009916T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/169—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated pointing device, e.g. trackball in the palm rest area, mini-joystick integrated between keyboard keys, touch pads or touch stripes
    • 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

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Position Input By Displaying (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Glass Compositions (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
DE602004009916T 2003-05-07 2004-04-28 Kapazitives system zur detektion von objekten und entsprechendes verfahren Expired - Lifetime DE602004009916T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0310409.8A GB0310409D0 (en) 2003-05-07 2003-05-07 Object sensing
GB0310409 2003-05-07
PCT/IB2004/001426 WO2004099964A2 (en) 2003-05-07 2004-04-28 Capacitive object sensing system and corresponding method

Publications (2)

Publication Number Publication Date
DE602004009916D1 true DE602004009916D1 (de) 2007-12-20
DE602004009916T2 DE602004009916T2 (de) 2008-08-21

Family

ID=9957548

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004009916T Expired - Lifetime DE602004009916T2 (de) 2003-05-07 2004-04-28 Kapazitives system zur detektion von objekten und entsprechendes verfahren

Country Status (10)

Country Link
US (1) US7560938B2 (de)
EP (1) EP1623313B1 (de)
JP (1) JP4729477B2 (de)
KR (1) KR20060008984A (de)
CN (1) CN1853155B (de)
AT (1) ATE377788T1 (de)
DE (1) DE602004009916T2 (de)
GB (1) GB0310409D0 (de)
TW (1) TW200504336A (de)
WO (1) WO2004099964A2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101010877B (zh) * 2004-08-31 2010-09-08 皇家飞利浦电子股份有限公司 X光机的接近传感器
WO2007013011A1 (en) * 2005-07-28 2007-02-01 Koninklijke Philips Electronics N.V. Object sensing system
US7812827B2 (en) 2007-01-03 2010-10-12 Apple Inc. Simultaneous sensing arrangement
US8493331B2 (en) 2007-06-13 2013-07-23 Apple Inc. Touch detection using multiple simultaneous frequencies
US7876311B2 (en) 2007-06-13 2011-01-25 Apple Inc. Detection of low noise frequencies for multiple frequency sensor panel stimulation
US8318098B2 (en) * 2007-10-30 2012-11-27 General Electric Company Method and apparatus for detecting an analyte
EP2289168B1 (de) * 2008-06-13 2016-09-07 Koninklijke Philips N.V. Kapazitiver näherungssensor und elektronische vorrichtung mit dem kapazitiven näherungssensor
US8057288B2 (en) * 2008-06-20 2011-11-15 Nissan North America, Inc. Contact-free vehicle air vent
US9606663B2 (en) 2008-09-10 2017-03-28 Apple Inc. Multiple stimulation phase determination
US8592697B2 (en) 2008-09-10 2013-11-26 Apple Inc. Single-chip multi-stimulus sensor controller
US9348451B2 (en) 2008-09-10 2016-05-24 Apple Inc. Channel scan architecture for multiple stimulus multi-touch sensor panels
EP2345159B1 (de) 2008-10-17 2017-03-01 Automotive Exteriors Europe Objektdetektionseinrichtung für ein kraftfahrzeug
US8138771B2 (en) * 2008-12-05 2012-03-20 Nokia Corporation Touch controller with read-out line
CN102804114B (zh) * 2009-06-24 2019-04-16 微晶片科技德国有限责任公司 用于显示装置的电极装置
US9036650B2 (en) 2009-09-11 2015-05-19 Apple Inc. Automatic low noise frequency selection
JP5607335B2 (ja) * 2009-10-19 2014-10-15 アルプス電気株式会社 静電容量式近接センサ装置、静電容量式モーション検出装置及びそれらを用いた入力装置
DE102009057933B3 (de) * 2009-12-11 2011-02-24 Ident Technology Ag Sensoreinrichtung sowie Verfahren zur Annäherungs- und Berührungsdetektion
DE102009057947A1 (de) * 2009-12-11 2011-06-16 Ident Technology Ag Multifunktionaler Berührungs- und/oder Annäherungssensor
TWI410851B (zh) * 2010-04-27 2013-10-01 Htc Corp 手持裝置及其觸控感測裝置
DE102010044820B4 (de) * 2010-09-09 2015-01-22 Ident Technology Ag Sensoreinrichtung sowie Verfahren zur Annäherungs- und Berührungsdetektion
KR101735715B1 (ko) * 2010-11-23 2017-05-15 삼성전자주식회사 입력 감지 소자 및 이를 구비한 터치 패널
DE102012002193B4 (de) * 2012-02-07 2021-07-29 Polyic Gmbh & Co. Kg Kapazitives Sensorelement
AT512878B1 (de) * 2012-04-23 2015-10-15 Thomas Schlegl Vorrichtung zur Lokalisierung und Unterscheidung von Objekten an Sensorgebieten
US9261963B2 (en) * 2013-08-22 2016-02-16 Qualcomm Incorporated Feedback for grounding independent haptic electrovibration
KR102127928B1 (ko) * 2013-10-15 2020-06-29 엘지전자 주식회사 입체적 입력장치를 갖는 글래스형 단말기 및 그의 화면 제어방법
DE102013019197A1 (de) * 2013-11-15 2015-05-21 Audi Ag Kraftfahrzeug-Klimatisierung mit adaptivem Luftausströmer
KR101605070B1 (ko) * 2015-05-04 2016-03-24 김정일 저온 수중 플라즈마 발생 장치
BR112023017828A2 (pt) 2021-03-03 2023-10-03 Guardian Glass Llc Sistemas e/ou métodos para criar e detectar alterações em campos elétricos

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6125087A (ja) * 1984-07-16 1986-02-03 Honda Motor Co Ltd 物体検知装置
JPS61273822A (ja) * 1985-05-29 1986-12-04 オムロン株式会社 近接スイツチ
WO1992017866A1 (en) * 1991-04-03 1992-10-15 Integrated Silicon Design Pty. Ltd. Article sorting system
US5844415A (en) * 1994-02-03 1998-12-01 Massachusetts Institute Of Technology Method for three-dimensional positions, orientation and mass distribution
US6114862A (en) * 1996-02-14 2000-09-05 Stmicroelectronics, Inc. Capacitive distance sensor
SE507933C2 (sv) * 1996-07-15 1998-07-27 Asea Brown Boveri Förfarande, anordning och sensor för att kapacitivt detektera fält och spänning samt användning därav
JP3394187B2 (ja) * 1997-08-08 2003-04-07 シャープ株式会社 座標入力装置および表示一体型座標入力装置
US6483931B2 (en) * 1997-09-11 2002-11-19 Stmicroelectronics, Inc. Electrostatic discharge protection of a capacitve type fingerprint sensing array
JP4275865B2 (ja) * 1999-01-26 2009-06-10 キューアールジー リミテッド 容量性センサ及びアレイ
EP1059602B1 (de) * 1999-06-10 2006-12-13 Nippon Telegraph and Telephone Corporation Gerät zur Erkennung von Oberflächengestalten
JP4233698B2 (ja) * 1999-08-12 2009-03-04 セイコーインスツル株式会社 指紋読み取り装置及び方法
CN1155794C (zh) * 1999-12-02 2004-06-30 株式会社三丰 静电电容式变位检测装置
US6512381B2 (en) * 1999-12-30 2003-01-28 Stmicroelectronics, Inc. Enhanced fingerprint detection
GB0114456D0 (en) * 2001-06-14 2001-08-08 Koninkl Philips Electronics Nv Object sensing
JP2003058872A (ja) * 2001-08-21 2003-02-28 Sony Corp 指紋検出装置、その製造方法及び成膜装置
JP2005326167A (ja) * 2004-05-12 2005-11-24 Alps Electric Co Ltd 容量検出型センサ

Also Published As

Publication number Publication date
CN1853155A (zh) 2006-10-25
EP1623313A2 (de) 2006-02-08
EP1623313B1 (de) 2007-11-07
US7560938B2 (en) 2009-07-14
ATE377788T1 (de) 2007-11-15
WO2004099964A3 (en) 2006-04-06
WO2004099964A2 (en) 2004-11-18
JP2006525635A (ja) 2006-11-09
CN1853155B (zh) 2010-08-04
DE602004009916T2 (de) 2008-08-21
TW200504336A (en) 2005-02-01
GB0310409D0 (en) 2003-06-11
JP4729477B2 (ja) 2011-07-20
US20070052428A1 (en) 2007-03-08
KR20060008984A (ko) 2006-01-27

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: GEORGE, DAVID S., REDHILL, SURREY RH15HA, GB

Inventor name: HOSKINS, ASHER J., REDHILL, SURREY RH15HA, GB

Inventor name: VAN BERKEL, CORNELIS, REDHILL, SURREY RH15HA, GB

8364 No opposition during term of opposition