DE60032747T2 - Annäherungssensor - Google Patents

Annäherungssensor Download PDF

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Publication number
DE60032747T2
DE60032747T2 DE60032747T DE60032747T DE60032747T2 DE 60032747 T2 DE60032747 T2 DE 60032747T2 DE 60032747 T DE60032747 T DE 60032747T DE 60032747 T DE60032747 T DE 60032747T DE 60032747 T2 DE60032747 T2 DE 60032747T2
Authority
DE
Germany
Prior art keywords
electrode
signal
oscillating signal
phase
proximity
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
DE60032747T
Other languages
German (de)
English (en)
Other versions
DE60032747D1 (de
Inventor
G. Judson Farmington Hills MCDONNELL
G. James Novi STANLEY
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.)
Automotive Systems Laboratory Inc
Original Assignee
Automotive Systems Laboratory Inc
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 Automotive Systems Laboratory Inc filed Critical Automotive Systems Laboratory Inc
Application granted granted Critical
Publication of DE60032747D1 publication Critical patent/DE60032747D1/de
Publication of DE60032747T2 publication Critical patent/DE60032747T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2857—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child
    • B60N2/286—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child forward facing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2857—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child
    • B60N2/2863—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child backward facing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512—Passenger detection systems
    • B60R21/0153—Passenger detection systems using field detection presence sensors
    • B60R21/01532—Passenger detection systems using field detection presence sensors using electric or capacitive field sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01556—Child-seat detection systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/088—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with electric fields
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2210/00—Sensor types, e.g. for passenger detection systems or for controlling seats
    • B60N2210/10—Field detection presence sensors
    • B60N2210/12—Capacitive; Electric field

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Electronic Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
DE60032747T 1999-07-15 2000-07-17 Annäherungssensor Expired - Fee Related DE60032747T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14416199P 1999-07-15 1999-07-15
US144161P 1999-07-15
PCT/US2000/019323 WO2001006472A2 (en) 1999-07-15 2000-07-17 Proximity sensor

Publications (2)

Publication Number Publication Date
DE60032747D1 DE60032747D1 (de) 2007-02-15
DE60032747T2 true DE60032747T2 (de) 2007-11-08

Family

ID=22507353

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60032747T Expired - Fee Related DE60032747T2 (de) 1999-07-15 2000-07-17 Annäherungssensor

Country Status (5)

Country Link
US (1) US6445294B1 (enExample)
EP (1) EP1159715B1 (enExample)
JP (1) JP2003505675A (enExample)
DE (1) DE60032747T2 (enExample)
WO (1) WO2001006472A2 (enExample)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6825765B2 (en) * 1998-12-30 2004-11-30 Automotive Systems Laboratory, Inc. Occupant detection system
DE60122159T2 (de) 2000-05-26 2007-07-05 Automotive Systems Laboratory Inc., Farmington Hills Besetzungssensor
US6900642B2 (en) * 2001-09-28 2005-05-31 Bae Systems Information And Electronic Systems Integration Inc Aircraft electrostatic discharge test system
EP1461789A4 (en) * 2001-12-10 2010-10-06 Bae Systems Information SENSOR FOR ELECTRIC FIELDS
JP3884377B2 (ja) * 2002-12-27 2007-02-21 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線撮影装置
US7078911B2 (en) * 2003-02-06 2006-07-18 Cehelnik Thomas G Patent application for a computer motional command interface
US8009045B2 (en) * 2005-06-06 2011-08-30 Cehelnik Thomas G Method for alerting physical approach
JP4310695B2 (ja) 2004-03-30 2009-08-12 アイシン精機株式会社 静電容量変化検出装置
JP4517289B2 (ja) 2004-06-14 2010-08-04 株式会社デンソー 静電容量式センサおよび乗員検知システム
US7548075B2 (en) * 2004-08-31 2009-06-16 Koninklijke Philips Electronics N.V. Proximity sensor for X-ray apparatus
DE102006002919B4 (de) * 2005-01-24 2008-09-04 Denso Corp., Kariya Kapazitiver Sensor und Insassenerfassungssystem
JP4315388B2 (ja) * 2005-04-13 2009-08-19 株式会社デンソー 乗員検知システム
US7394368B2 (en) * 2005-04-26 2008-07-01 Illinois Tool Works, Inc. Electronic proximity switch
JP5395429B2 (ja) * 2005-06-03 2014-01-22 シナプティクス インコーポレイテッド 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
JP4539614B2 (ja) * 2006-02-07 2010-09-08 株式会社デンソー 乗員検知システム
WO2007104540A2 (de) * 2006-03-13 2007-09-20 Ident Technology Ag Kapazitive sensoreinrichtung
CN101449131B (zh) * 2006-03-29 2010-12-01 罗斯蒙德公司 电容感测电路
JP4721060B2 (ja) 2006-07-19 2011-07-13 株式会社デンソー 車両用座席装置
JP4721059B2 (ja) 2006-07-19 2011-07-13 株式会社デンソー 車両用座席装置及びその製造方法
DE202006013335U1 (de) * 2006-08-30 2008-01-03 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Einklemmschutzvorrichtung
DE202006015740U1 (de) * 2006-10-13 2008-02-21 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Einklemmsensor
JP4609731B2 (ja) 2006-10-31 2011-01-12 株式会社デンソー 静電容量式乗員検知センサ
KR101487295B1 (ko) * 2006-11-27 2015-01-28 마이크로칩 테크놀로지 저머니 Ⅱ 게엠베하 운트 콤파니 카게 근전기장의 흡수에 의한 물체 탐지 구조
US7656169B2 (en) * 2007-02-06 2010-02-02 Iee International Electronics & Engineering S.A. Capacitive occupant detection system
JP4305519B2 (ja) * 2007-02-07 2009-07-29 株式会社デンソー ２電極型静電容量センサ、車両用乗員検出装置及び車両用乗員保護システム
DE102007020873A1 (de) * 2007-04-26 2008-10-30 Ident Technology Ag Sensoreinrichtung, sowie Verfahren zur Generierung von hinsichtlich der Position oder Positionsänderung von Gliedmaßen indikativen Signalen
DE102007022463A1 (de) * 2007-05-09 2008-11-13 Takata-Petri Ag Messsystem
EP2090460A1 (en) * 2008-02-13 2009-08-19 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Seat with occupancy detecting system
US7888949B2 (en) * 2008-03-21 2011-02-15 Electro Scientific Industries, Inc. Electrical tester setup and calibration device
EP2161165A1 (en) * 2008-09-03 2010-03-10 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Capacitive vehicle seat occupant detector
MX2011004130A (es) * 2008-10-17 2011-05-19 Faurecia Bloc Avant Dispositivo sensor para detectar un objeto en un area de deteccion.
DE102009031824A1 (de) * 2009-07-03 2011-01-05 Huf Hülsbeck & Fürst Gmbh & Co. Kg Kapazitive Sensoranordnung mit einer Sensorelektrode, einer Schirmelektrode und einer Hintergrundelektrode
DE102010030959B4 (de) * 2010-07-05 2012-10-25 Ident Technology Ag Sensoreinrichtung und Verfahren zur Detektion eines Umgreifens eines Handgerätes sowie ein Handgerät
DE102011078534B4 (de) * 2011-07-01 2016-02-18 Ident Technology Ag Auswerteverfahren und Auswerteeinrichtung für einen kapazitiven Berührungssensor
LU91839B1 (en) * 2011-07-08 2013-01-09 Iee Sarl Impedance measurement system
US9791494B2 (en) * 2012-01-20 2017-10-17 Lear Corporation Apparatus and method for diagnostics of a capacitive sensor
EP3033634B1 (en) * 2013-08-14 2017-05-31 IEE International Electronics & Engineering S.A. Radar sensing of vehicle occupancy
JP2018060502A (ja) * 2016-10-03 2018-04-12 株式会社東海理化電機製作所 入力装置
WO2019191437A1 (en) 2018-03-28 2019-10-03 Joyson Safety Systems Acquisition Llc System and method for near field communication coupling in a vehicle
CN117546418A (zh) * 2021-08-24 2024-02-09 阿尔卑斯阿尔派株式会社 快速启动采样保持开关电容器电路
DE102022101912A1 (de) * 2022-01-27 2023-07-27 Preh Gmbh Elektrischer Schaltungsaufbau für den alternierenden Heiz- und kapazitiven Messbetrieb mit Funktionsprüfung und zugehöriges Verfahren

Family Cites Families (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111608A (en) 1961-02-27 1963-11-19 Walter G Finch Contact switch device
US3177481A (en) 1961-08-10 1965-04-06 More Electronic alertness control
US3237105A (en) 1962-05-09 1966-02-22 Henry P Kalmus Personnel intrusion detecting device
US3324848A (en) 1964-01-10 1967-06-13 Domeier Edward Capacitance respirometer
US3439358A (en) 1965-11-30 1969-04-15 George Washington Ltd Activity detectors
US3716800A (en) * 1971-01-06 1973-02-13 Gordon Eng Co Sample and hold circuit
US3740567A (en) 1972-04-20 1973-06-19 Wagner Electric Corp High-discrimination antenna array for capacitance-responsive circuits
US3943376A (en) 1973-10-23 1976-03-09 Fairchild Camera And Instrument Corporation Occupancy detector apparatus for automotive safety systems
US3898472A (en) 1973-10-23 1975-08-05 Fairchild Camera Instr Co Occupancy detector apparatus for automotive safety system
US4276513A (en) * 1979-09-14 1981-06-30 John Fluke Mfg. Co., Inc. Auto-zero amplifier circuit with wide dynamic range
US4300116A (en) 1979-12-13 1981-11-10 Stahovec Joseph L Safety method and apparatus for sensing the presence of individuals adjacent a vehicle
US4430645A (en) 1981-04-07 1984-02-07 Sensormatic Electronics Corporation Surveillance system employing a dual function floor mat radiator
US4586260A (en) 1984-05-29 1986-05-06 The L. S. Starrett Company Capacitive displacement measuring instrument
US4796013A (en) 1985-10-18 1989-01-03 Aisin Seiki Kabushiki Kaisha Capacitive occupancy detector apparatus
GB8607747D0 (en) 1986-03-27 1986-04-30 Duracell Int Device
JPS62277517A (ja) * 1986-05-27 1987-12-02 Yokogawa Electric Corp 変位変換装置
US4831279A (en) 1986-09-29 1989-05-16 Nartron Corporation Capacity responsive control circuit
US4766368A (en) 1986-09-30 1988-08-23 Cox Harold A Capacitive sensor
JP2520137B2 (ja) * 1987-08-28 1996-07-31 チノン株式会社 位置検出装置
JP2661693B2 (ja) 1987-10-27 1997-10-08 アイシン精機株式会社 人員検出装置
DE4006119A1 (de) * 1990-02-27 1991-08-29 Ines Gmbh Kapazitives wegaufnehmersystem
US4980519A (en) 1990-03-02 1990-12-25 The Board Of Trustees Of The Leland Stanford Jr. Univ. Three dimensional baton and gesture sensor
US5166679A (en) 1991-06-06 1992-11-24 The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration Driven shielding capacitive proximity sensor
FR2679043B1 (fr) 1991-07-08 1993-11-26 Bertin Et Cie Detecteur de proximite.
US5337353A (en) * 1992-04-01 1994-08-09 At&T Bell Laboratories Capacitive proximity sensors
JPH05297149A (ja) 1992-04-23 1993-11-12 Aisin Seiki Co Ltd 誘電体検出装置
US5214388A (en) 1992-05-28 1993-05-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Phase discriminating capacitive array sensor system
US5363051A (en) 1992-11-23 1994-11-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Steering capaciflector sensor
US5394097A (en) 1992-11-24 1995-02-28 Bechtel; Friend K. Dielectric sensor
US5442347A (en) 1993-01-25 1995-08-15 The United States Of America As Represented By The Administrater, National Aeronautics & Space Administration Double-driven shield capacitive type proximity sensor
US5793176A (en) 1993-04-02 1998-08-11 Sandia Corporation Spatial feature tracking impedence sensor using multiple electric fields
ATE152055T1 (de) 1993-06-22 1997-05-15 Vos Verkehrs Optimierungs Syst Vorrichtung zur erfassung der anwesenheit von personen auf beförderungsmitteln
JP3579908B2 (ja) * 1993-07-09 2004-10-20 オムロン株式会社 静電容量形近接センサ
US5373245A (en) 1993-07-12 1994-12-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Capaciflector camera
US5576483A (en) * 1993-10-01 1996-11-19 Hysitron Incorporated Capacitive transducer with electrostatic actuation
US5844415A (en) 1994-02-03 1998-12-01 Massachusetts Institute Of Technology Method for three-dimensional positions, orientation and mass distribution
US5914610A (en) 1994-02-03 1999-06-22 Massachusetts Institute Of Technology Apparatus and method for characterizing movement of a mass within a defined space
US5525843A (en) 1994-02-14 1996-06-11 Ab Volvo Seat occupant detection system
US5802479A (en) 1994-09-23 1998-09-01 Advanced Safety Concepts, Inc. Motor vehicle occupant sensing systems
US5602734A (en) 1994-09-23 1997-02-11 Advanced Safety Concepts, Inc. Automobile air bag systems
US5691693A (en) 1995-09-28 1997-11-25 Advanced Safety Concepts, Inc. Impaired transportation vehicle operator system
DE9421121U1 (de) * 1994-11-10 1995-04-27 Horst Siedle Kg, 78120 Furtwangen Vorrichtung zur Bestimmung einer jeweiligen örtlichen Position eines Körpers durch kapazitive Abtastung
DE4447295A1 (de) 1994-11-10 1996-05-15 Siedle Horst Kg Verfahren und Vorrichtung zur Bestimmung einer jeweiligen örtlichen Position eines Körpers durch kapazitive Abtastung
US5539292A (en) 1994-11-28 1996-07-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Capaciflector-guided mechanisms
US5722686A (en) 1995-05-16 1998-03-03 Trw Vehicle Safety Systems, Inc. Method and apparatus for sensing an occupant position using capacitance sensing
US5770997A (en) 1995-06-26 1998-06-23 Alliedsignal Inc. Vehicle occupant sensing system
US5801340A (en) * 1995-06-29 1998-09-01 Invotronics Manufacturing Proximity sensor
US5948031A (en) 1996-02-23 1999-09-07 Nec Technologies, Inc. Vehicle passenger sensing system and method
DE69718069T2 (de) * 1996-02-23 2003-10-02 Massachusetts Inst Technology Verschiebestrom-verfahren und vorrichtung zur ermittlung von präsenz,orientierung und aktivität in einem definierten raum
US5726581A (en) 1996-03-08 1998-03-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration 3-D capaciflector
JPH09280806A (ja) * 1996-04-09 1997-10-31 Nissan Motor Co Ltd 静電容量式変位計
US5844486A (en) 1997-01-02 1998-12-01 Advanced Safety Concepts, Inc. Integral capacitive sensor array
SE9602176D0 (sv) * 1996-05-31 1996-05-31 Scandmec Ab Anordning vid avkänning av närvaro av ett elektriskt ledande objekt
JP3025649B2 (ja) * 1996-09-30 2000-03-27 サンクス株式会社 静電容量式測定装置
US5871232A (en) 1997-01-17 1999-02-16 Automotive Systems, Laboratory, Inc. Occupant position sensing system
US6043743A (en) 1997-02-26 2000-03-28 Nec Corporation Passenger detecting system and passenger detecting method
US5964478A (en) 1997-03-07 1999-10-12 Automotive Systems Laboratory, Inc Electric field sensing air bag danger zone sensor
US6079738A (en) 1997-08-22 2000-06-27 Breed Automotive Technology, Inc. Occupant presence and position sensing system
US6335642B1 (en) * 1998-01-23 2002-01-01 Sumitomo Metal Industries Limited Impedance-to-voltage converter
US6094610A (en) 1998-03-30 2000-07-25 Trw Vehicle Safety Systems Inc. Characterizing a proximately located occupant body portion with a sensor matrix
JP2000048694A (ja) * 1998-07-27 2000-02-18 Omron Corp 静電容量形近接センサ
WO2000052657A1 (en) * 1999-03-05 2000-09-08 Automotive Systems Laboratory, Inc. Proximity sensor

Also Published As

Publication number Publication date
EP1159715A2 (en) 2001-12-05
EP1159715A4 (en) 2004-06-09
WO2001006472A2 (en) 2001-01-25
DE60032747D1 (de) 2007-02-15
EP1159715B1 (en) 2007-01-03
US6445294B1 (en) 2002-09-03
JP2003505675A (ja) 2003-02-12
WO2001006472A3 (en) 2001-09-07

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