AU5128996A - Device for sensing presence of an electrically conducting object - Google Patents

Device for sensing presence of an electrically conducting object

Info

Publication number
AU5128996A
AU5128996A AU51289/96A AU5128996A AU5128996A AU 5128996 A AU5128996 A AU 5128996A AU 51289/96 A AU51289/96 A AU 51289/96A AU 5128996 A AU5128996 A AU 5128996A AU 5128996 A AU5128996 A AU 5128996A
Authority
AU
Australia
Prior art keywords
electrically conducting
conducting object
sensing presence
sensing
electrically
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.)
Abandoned
Application number
AU51289/96A
Inventor
Bengt Allan Bergvall
Tommy Fristedt
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.)
Scandmec AB
Original Assignee
Scandmec AB
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 Scandmec AB filed Critical Scandmec AB
Publication of AU5128996A publication Critical patent/AU5128996A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/22—Status alarms responsive to presence or absence of persons
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Seats For Vehicles (AREA)
AU51289/96A 1996-02-09 1996-02-09 Device for sensing presence of an electrically conducting object Abandoned AU5128996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1996/000180 WO1997029391A1 (en) 1996-02-09 1996-02-09 Device for sensing presence of an electrically conducting object

Publications (1)

Publication Number Publication Date
AU5128996A true AU5128996A (en) 1997-08-28

Family

ID=20401066

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51289/96A Abandoned AU5128996A (en) 1996-02-09 1996-02-09 Device for sensing presence of an electrically conducting object

Country Status (2)

Country Link
AU (1) AU5128996A (en)
WO (1) WO1997029391A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0838697B1 (en) * 1996-10-25 2004-04-07 I.E.E. International Electronics & Engineering S.à.r.l. Apparatus for probing a conductive body and its application in a vehicle-airbag control system
GB9625262D0 (en) * 1996-12-04 1997-01-22 Autoliv Dev Improvements in or relating to an air-bag arrangement
US6356194B1 (en) 1998-01-12 2002-03-12 Honda Giken Kogyo Kabushiki Kaisha Occupant detecting system
GB2360597B (en) * 1998-01-12 2002-08-28 Honda Motor Co Ltd Occupant detecting system
DE19812626A1 (en) * 1998-03-23 1999-09-30 Bayerische Motoren Werke Ag Capacitive object detection method for vehicles
LU90242B1 (en) * 1998-05-13 1999-11-15 Iee Sarl Capacitive measuring system
DE19847750A1 (en) 1998-10-16 2000-04-20 Bayerische Motoren Werke Ag Capacitive object detection method for vehicles
DE10010532A1 (en) 2000-03-03 2001-09-13 Bayerische Motoren Werke Ag Capacitive object recognition for vehicle seats involves assessing time variations of capacitances in seat back or base, and if both assessments agree occupant protection device is activated
DE10010531A1 (en) * 2000-03-03 2001-09-13 Bayerische Motoren Werke Ag Capacitive object detection method for vehicles
FR2826723B1 (en) * 2001-06-28 2004-01-30 Hitachi Comp Products Europ Sa CAPACITIVE MEASUREMENT SYSTEM
US6499359B1 (en) * 2001-07-09 2002-12-31 Nartron Corporation Compressible capacitance sensor for determining the presence of an object
US6646452B2 (en) * 2002-03-04 2003-11-11 Motorola, Inc. Sensing of seat occupant weight by cushion deformation
GB0319056D0 (en) 2003-08-14 2003-09-17 Ford Global Tech Inc Sensing systems
DE202006015740U1 (en) 2006-10-13 2008-02-21 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg anti-pinch
US8175774B2 (en) 2008-05-16 2012-05-08 Infineon Technologies Ag Capacitive object recognition using adjustable electrode
US8570055B2 (en) * 2009-12-31 2013-10-29 Mapper Lithography Ip B.V. Capacitive sensing system
DE102011002446A1 (en) 2011-01-04 2012-07-05 Ident Technology Ag Sensor device and method for capacitive proximity detection
US10108292B2 (en) 2015-04-22 2018-10-23 Microchip Technology Incorporated Capacitive sensor system with multiple transmit electrodes
US10901562B2 (en) * 2018-04-13 2021-01-26 Tactual Labs Co. Movement enhanced detection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764861A (en) * 1972-07-31 1973-10-09 Chrysler Corp Electronic seat sensing switch
GB8426010D0 (en) * 1984-10-15 1984-11-21 Memco Med Ltd Automatic control
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
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
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

Also Published As

Publication number Publication date
WO1997029391A1 (en) 1997-08-14

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