DE602004009916T2 - Kapazitives system zur detektion von objekten und entsprechendes verfahren - Google Patents

Kapazitives system zur detektion von objekten und entsprechendes verfahren Download PDF

Info

Publication number
DE602004009916T2
DE602004009916T2 DE602004009916T DE602004009916T DE602004009916T2 DE 602004009916 T2 DE602004009916 T2 DE 602004009916T2 DE 602004009916 T DE602004009916 T DE 602004009916T DE 602004009916 T DE602004009916 T DE 602004009916T DE 602004009916 T2 DE602004009916 T2 DE 602004009916T2
Authority
DE
Germany
Prior art keywords
voltage
electrode
capacitor
receiver
receiver electrode
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
German (de)
English (en)
Other versions
DE602004009916D1 (de
Inventor
Cornelis Redhill Van Berkel
Asher J. Redhill Hoskins
David S. Redhill 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 OR CALCULATING; 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 OR CALCULATING; 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)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Position Input By Displaying (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Glass Compositions (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Radar Systems Or Details Thereof (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 DE602004009916D1 (de) 2007-12-20
DE602004009916T2 true 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 (enExample)
EP (1) EP1623313B1 (enExample)
JP (1) JP4729477B2 (enExample)
KR (1) KR20060008984A (enExample)
CN (1) CN1853155B (enExample)
AT (1) ATE377788T1 (enExample)
DE (1) DE602004009916T2 (enExample)
GB (1) GB0310409D0 (enExample)
TW (1) TW200504336A (enExample)
WO (1) WO2004099964A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012002193A1 (de) * 2012-02-07 2013-08-08 Polyic Gmbh & Co. Kg Kapazitives Sensorelement

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1790078B1 (en) * 2004-08-31 2016-06-15 Koninklijke Philips N.V. Proximity sensor for x-ray apparatus
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
US7876311B2 (en) 2007-06-13 2011-01-25 Apple Inc. Detection of low noise frequencies for multiple frequency sensor panel stimulation
US8493331B2 (en) 2007-06-13 2013-07-23 Apple Inc. Touch detection using multiple simultaneous frequencies
US8318098B2 (en) * 2007-10-30 2012-11-27 General Electric Company Method and apparatus for detecting an analyte
WO2009150618A2 (en) * 2008-06-13 2009-12-17 Koninklijke Philips Electronics N.V. Capacitive proximity device and electronic device comprising the capacitive proximity device
US8057288B2 (en) * 2008-06-20 2011-11-15 Nissan North America, Inc. Contact-free vehicle air vent
US9348451B2 (en) 2008-09-10 2016-05-24 Apple Inc. Channel scan architecture for multiple stimulus multi-touch sensor panels
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
EP2345159B1 (en) * 2008-10-17 2017-03-01 Automotive Exteriors Europe Object detection device for an automotive vehicle
US8138771B2 (en) * 2008-12-05 2012-03-20 Nokia Corporation Touch controller with read-out line
US8487905B2 (en) * 2009-06-24 2013-07-16 Ident Technology Ag Electrode arrangement for display device
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
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
DE69230171T2 (de) * 1991-04-03 2000-04-13 Integrated Silicon Design Pty. Ltd., Adelaide Warensortiersystem
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
WO2000044018A1 (en) * 1999-01-26 2000-07-27 Harald Philipp Capacitive sensor and array
EP1059602B1 (en) * 1999-06-10 2006-12-13 Nippon Telegraph and Telephone Corporation Surface shape recognition apparatus
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012002193A1 (de) * 2012-02-07 2013-08-08 Polyic Gmbh & Co. Kg Kapazitives Sensorelement
DE102012002193B4 (de) 2012-02-07 2021-07-29 Polyic Gmbh & Co. Kg Kapazitives Sensorelement

Also Published As

Publication number Publication date
WO2004099964A2 (en) 2004-11-18
JP2006525635A (ja) 2006-11-09
CN1853155A (zh) 2006-10-25
WO2004099964A3 (en) 2006-04-06
DE602004009916D1 (de) 2007-12-20
CN1853155B (zh) 2010-08-04
JP4729477B2 (ja) 2011-07-20
TW200504336A (en) 2005-02-01
US20070052428A1 (en) 2007-03-08
EP1623313A2 (en) 2006-02-08
ATE377788T1 (de) 2007-11-15
US7560938B2 (en) 2009-07-14
KR20060008984A (ko) 2006-01-27
GB0310409D0 (en) 2003-06-11
EP1623313B1 (en) 2007-11-07

Similar Documents

Publication Publication Date Title
DE69935760T2 (de) Gerät und verfahren zur impedanzdetektion
DE3750110T2 (de) Lagebestimmungsgerät.
DE19833211C2 (de) Verfahren zur Bestimmung sehr kleiner Kapazitäten und Verwendung
DE112018001271B4 (de) Kombinierte induktive Erfassung und kapazitive Erfassung
EP1419365B1 (de) Vorrichtung und verfahren zum auslesen einer differentialkapazität mit einer ersten und zweiten teilkapazität
US7560938B2 (en) Object sensing
DE102007047887A1 (de) Kapazitätserfassungsvorrichtung
DE112018003731T5 (de) Verfahren zum Kombinieren von Eigen- und Gegenkapazitätserfassung
DE112012001000T5 (de) Kapazitive Berührungserkennungs-Architektur
EP3166228B1 (de) Sensormodul, sensorsystem und verfahren zum kapazitiven und ortsaufgelösten detektieren einer annäherung und berührung, verwendung des sensormoduls
DE102011017232A1 (de) Verfahren und Vorrichtung zum Verbessern des dynamischen Breichs eines Touchscreen-Controllers
DE112015005726T5 (de) Kapazitive Fingerabdruck-Erfassungsvorrichtung mit Demodulationsschaltungsaufbau im Erfassungselement
DE2727201A1 (de) Beruehrungssteuertastenschaltung
WO2019149901A1 (de) Kapazitives messsystem
CH706309A1 (de) Elektronische Schaltung.
DE102011077926B4 (de) Sensormesssystem, das impulsstromsignale verwendet
DE102005044383A1 (de) Kapazitiver Sensor für eine physikalische Größe
DE102011083336A1 (de) Elektrodenkonfiguration zur Positionserfassung sowie Verfahren zur Positionserfassung
EP0457868A1 (de) Anordnung zur verarbeitung von sensorsignalen.
EP1093586B1 (de) Integrierte schaltung mit verbesserter synchronität zum externen taktsignal am datenausgang
EP2233890A2 (de) Kapazitiver Sensor und Verfahren zur kapazitiven Erfassung eines Objektabstandes
EP1750104B1 (de) Vorrichtung und Verfahren zur Vibrations-Füllstand-Grenzstanderfassung
DE2153121A1 (de) Impedanzmeßschaltung
DE102011075622A1 (de) Sensor sowie Verfahren zur Detektion einer Anzahl von Objekten
DE102013201704A1 (de) Kapazitive Sensoranordnung und kapazitives Messverfahren mit Kompensation parasitärer Kapazitäten

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