CA2642222C - Occupant sensor and method for seat belt or other monitoring - Google Patents

Occupant sensor and method for seat belt or other monitoring Download PDF

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Publication number
CA2642222C
CA2642222C CA2642222A CA2642222A CA2642222C CA 2642222 C CA2642222 C CA 2642222C CA 2642222 A CA2642222 A CA 2642222A CA 2642222 A CA2642222 A CA 2642222A CA 2642222 C CA2642222 C CA 2642222C
Authority
CA
Canada
Prior art keywords
antenna
circuit
occupant
voltage
processor
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
CA2642222A
Other languages
English (en)
French (fr)
Other versions
CA2642222A1 (en
Inventor
Eric T. Hawkins
Masahiro Miyamori
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.)
Nidec Elesys Americas Corp
Original Assignee
Nidec Elesys Americas Corp
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 Nidec Elesys Americas Corp filed Critical Nidec Elesys Americas Corp
Publication of CA2642222A1 publication Critical patent/CA2642222A1/en
Application granted granted Critical
Publication of CA2642222C publication Critical patent/CA2642222C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • 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
    • B60R21/01516—Passenger detection systems using force or pressure sensing means
    • B60R21/0152—Passenger detection systems using force or pressure sensing means using strain gauges
    • 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
    • B60N2/003—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat
    • B60N2/0034—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat in, under or on the seat cover
    • 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
    • B60N2/0035—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor data transmission, e.g. wired connections or wireless transmitters therefor; characterised by the sensor data processing, e.g. seat sensor signal amplification or electric circuits for providing seat sensor information
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2230/00—Communication or electronic aspects
    • B60N2230/10—Wired data transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2230/00—Communication or electronic aspects
    • B60N2230/30—Signal processing of sensor data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B60R2022/4808—Sensing means arrangements therefor
    • B60R2022/4816—Sensing means arrangements therefor for sensing locking of buckle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B60R2022/4866—Displaying or indicating arrangements thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Air Bags (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
CA2642222A 2006-02-21 2007-02-20 Occupant sensor and method for seat belt or other monitoring Expired - Fee Related CA2642222C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US77551506P 2006-02-21 2006-02-21
US60/775,515 2006-02-21
US11/676,472 US7791476B2 (en) 2006-02-21 2007-02-19 Occupant sensor and method for seat belt or other monitoring
US11/676,472 2007-02-19
PCT/US2007/004535 WO2007098216A2 (en) 2006-02-21 2007-02-20 Occupant sensor and method for seat belt or other monitoring

Publications (2)

Publication Number Publication Date
CA2642222A1 CA2642222A1 (en) 2007-08-30
CA2642222C true CA2642222C (en) 2012-09-11

Family

ID=38427593

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2642222A Expired - Fee Related CA2642222C (en) 2006-02-21 2007-02-20 Occupant sensor and method for seat belt or other monitoring

Country Status (9)

Country Link
US (1) US7791476B2 (enExample)
EP (1) EP1986884A4 (enExample)
JP (3) JP4740346B2 (enExample)
KR (1) KR101050005B1 (enExample)
CN (1) CN101389507B (enExample)
BR (1) BRPI0708171A2 (enExample)
CA (1) CA2642222C (enExample)
MX (1) MX2008010740A (enExample)
WO (1) WO2007098216A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230246601A1 (en) * 2022-01-31 2023-08-03 Qorvo Us, Inc. Protection circuit for acoustic filter and power amplifier stage

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7163263B1 (en) * 2002-07-25 2007-01-16 Herman Miller, Inc. Office components, seating structures, methods of using seating structures, and systems of seating structures
US7791476B2 (en) 2006-02-21 2010-09-07 Elesys North America, Inc. Occupant sensor and method for seat belt or other monitoring
EP1837248A1 (en) * 2006-03-20 2007-09-26 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Occupant classification system
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
JP4305526B2 (ja) * 2007-02-21 2009-07-29 株式会社デンソー 静電容量式乗員検知システムおよび乗員保護システム
WO2008141205A2 (en) * 2007-05-10 2008-11-20 Tk Holdings Inc. Vehicle seat including sensor
DE102007025518A1 (de) * 2007-05-31 2008-12-04 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugtüranordnung
US8577711B2 (en) * 2008-01-25 2013-11-05 Herman Miller, Inc. Occupancy analysis
EP2127957B1 (de) * 2008-05-29 2011-09-07 Delphi Technologies, Inc. Sicherheitsgurtwarnsystem
US8195356B2 (en) 2008-10-08 2012-06-05 Honda Motor Co., Ltd. Methods for testing an image based occupant classification system
US8116528B2 (en) * 2008-10-08 2012-02-14 Honda Motor Company, Ltd. Illumination source for an image based occupant classification system and vehicle using same
US8036795B2 (en) * 2008-10-08 2011-10-11 Honda Motor Company, Ltd. Image based occupant classification systems for determining occupant classification and seat belt status and vehicles having same
JP5146257B2 (ja) * 2008-10-27 2013-02-20 トヨタ紡織株式会社 シート着座検知システム
JP4817026B2 (ja) * 2009-06-16 2011-11-16 株式会社デンソー 静電式乗員検知装置
JP4817027B2 (ja) * 2009-06-16 2011-11-16 株式会社デンソー 静電式乗員検知装置
JP4752956B2 (ja) * 2009-06-16 2011-08-17 株式会社デンソー 静電式乗員検知装置
JP5332997B2 (ja) * 2009-07-17 2013-11-06 アイシン精機株式会社 シートベルトウォーニング装置
JP4892597B2 (ja) * 2009-09-28 2012-03-07 株式会社ホンダエレシス 乗員検知システム
DE102010002504B4 (de) * 2010-03-02 2017-02-09 TAKATA Aktiengesellschaft Verfahren und Vorrichtung zum Überprüfen einer elektronischen Einrichtung
KR101232432B1 (ko) * 2010-11-12 2013-02-12 현대모비스 주식회사 승객식별장치
JP2012107895A (ja) * 2010-11-15 2012-06-07 Honda Elesys Co Ltd 乗員検知システム
LU91838B1 (en) * 2011-07-08 2013-01-09 Iee Sarl Seat heater and capacitive occupancy sensor combination
LU91843B1 (en) * 2011-07-20 2013-01-21 Iee Sarl Plural-frequency capacitive occupancy sensing system
LU91923B1 (en) * 2011-12-21 2013-06-24 Iee Sarl Occupancy sensor for occupiable item e.g. seat or bed
EP2712021B1 (de) * 2012-09-21 2018-04-04 Siemens Aktiengesellschaft Antenne für ein Schreib-/Lesegerät für RFID-Anordnungen und Schreib-/Lesegerät für den Betrieb mit einer externen Antenne
EP2910413A1 (en) * 2014-02-25 2015-08-26 Sensirion AG Seat assembly with temperature or humidity sensor
LU92604B1 (en) * 2014-11-24 2016-05-25 Iee Sarl Vehicle seat
MX388334B (es) * 2014-12-27 2025-03-19 Gentex Corp Sistema y procedimiento de deteccion de vibraciones superficiales.
US10093262B2 (en) * 2015-03-31 2018-10-09 Ford Global Technologies, Llc Seatbelt payout measuring device and system
US11040682B1 (en) 2016-03-21 2021-06-22 Paradigm Research and Engineering, LLC Blast detection and safety deployment system and method for using the same
JP6759689B2 (ja) * 2016-05-10 2020-09-23 ヤマハ株式会社 歪みセンサユニット
US10442328B2 (en) * 2016-06-21 2019-10-15 Kongsberg Automotive Ab Assembly, system, and circuit with combined heating and occupancy detecting for a vehicle seat
US10457163B2 (en) * 2016-07-20 2019-10-29 Joyson Safety Systems Acquisition Llc Occupant detection and classification system
KR101905961B1 (ko) * 2016-07-26 2018-11-21 현대자동차주식회사 시트의 객체 구분 장치
CN106525318B (zh) * 2016-12-16 2022-07-01 山东金洲科瑞节能科技有限公司 一种总线型压力测量装置
JP6642474B2 (ja) * 2017-02-13 2020-02-05 オムロン株式会社 状態判定装置、学習装置、状態判定方法及びプログラム
CN106772623A (zh) * 2017-03-17 2017-05-31 深圳市电应普科技有限公司 一种电容式座椅传感器及工作方法
US10317448B2 (en) * 2017-05-22 2019-06-11 Swift Engineering, Inc. Human sensing using electric fields, and associated systems and methods
EP3676695B1 (en) * 2017-08-29 2024-04-03 Tactual Labs Co. Vehicular components comprising sensors
US11463797B2 (en) 2018-09-21 2022-10-04 Apple Inc. Force-activated earphone
US11070904B2 (en) * 2018-09-21 2021-07-20 Apple Inc. Force-activated earphone
CN109910707A (zh) * 2019-03-20 2019-06-21 天津比亚迪汽车有限公司 一种节能城市客车座椅
DE112020001011B4 (de) 2019-04-04 2023-07-13 Joyson Safety Systems Acquisition Llc Erkennung und Überwachung von aktiven optischen Retroreflektoren
FR3098769B1 (fr) 2019-07-15 2022-10-07 Faurecia Sieges Dautomobile Siege de vehicule avec systeme de compensation
US20220212711A1 (en) * 2019-09-19 2022-07-07 Langfang Golden Time Technology Development Co., Ltd. Heating structure and steering wheel
EP3865340A1 (de) * 2020-02-17 2021-08-18 AMF-Bruns GmbH & Co. KG Personensicherungssystem zur sicherung von personen in fahrzeugen mit reversibel montierten fahrzeugsitzen
DE102022105486A1 (de) 2022-03-09 2023-09-14 Zf Automotive Germany Gmbh Handerkennungsvorrichtung für eine lenkradeinrichtung sowie lenkradanordnung mit der handerkennungsvorrichtung
DE102022127962A1 (de) * 2022-10-21 2024-05-02 Bayerische Motoren Werke Aktiengesellschaft Fortbewegungsmittel und elektrische Schaltungsanordnung zur Erkennung einer aktuellen Sitzbelegung in einem Fortbewegungsmittel

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US681077A (en) * 1901-03-28 1901-08-20 Etienne Poulin Jr Railway-crossing frog.
US3943376A (en) * 1973-10-23 1976-03-09 Fairchild Camera And Instrument Corporation Occupancy detector apparatus for automotive safety systems
US6942248B2 (en) * 1992-05-05 2005-09-13 Automotive Technologies International, Inc. Occupant restraint device control system and method
US6869100B2 (en) * 1992-05-05 2005-03-22 Automotive Technologies International, Inc. Method and apparatus for controlling an airbag
US7164117B2 (en) * 1992-05-05 2007-01-16 Automotive Technologies International, Inc. Vehicular restraint system control system and method using multiple optical imagers
US5091938B1 (en) * 1990-08-06 1997-02-04 Nippon Denki Home Electronics Digital data cryptographic system
US5127575A (en) * 1991-04-15 1992-07-07 Beerbaum Ronald H Supervisory control unit for electrical equipment
US6757602B2 (en) * 1997-02-06 2004-06-29 Automotive Technologies International, Inc. System for determining the occupancy state of a seat in a vehicle and controlling a component based thereon
US6958451B2 (en) * 1995-06-07 2005-10-25 Automotive Technologies International, Inc. Apparatus and method for measuring weight of an occupying item of a seat
JPH0784063A (ja) * 1993-09-20 1995-03-31 Aisin Seiki Co Ltd 誘電体検出装置
US5605348A (en) * 1993-11-03 1997-02-25 Trw Vehicle Safety Systems Inc. Method and apparatus for sensing a rearward facing child seat
US5770997A (en) * 1995-06-26 1998-06-23 Alliedsignal Inc. Vehicle occupant sensing system
JP3463232B2 (ja) * 1995-12-27 2003-11-05 オムロン株式会社 シートベルト未装着警告装置及びシートベルト装着管理装置
US5948031A (en) * 1996-02-23 1999-09-07 Nec Technologies, Inc. Vehicle passenger sensing system and method
US6161070A (en) * 1996-02-23 2000-12-12 Nec Home Electronics, Inc. Passenger detection system
US5825283A (en) * 1996-07-03 1998-10-20 Camhi; Elie System for the security and auditing of persons and property
US6329914B1 (en) * 1999-10-05 2001-12-11 Nec Technologies, Inc. Thickness measurement system and method for vehicle occupant detection
US6329913B1 (en) * 1999-10-05 2001-12-11 Nec Technologies, Inc. Passenger detection system and method
JP3393196B2 (ja) * 1999-12-14 2003-04-07 株式会社ホンダエレシス 物体検知装置及び乗員検知システム
JP4422264B2 (ja) * 1999-12-24 2010-02-24 日本特殊陶業株式会社 制御システム
US6302439B1 (en) * 2000-02-01 2001-10-16 Trw Inc. Distributed occupant protection system and method with cooperative central and distributed protection module actuation control
AU2002239340A1 (en) * 2000-11-16 2002-06-24 Lori L. Burgner Vehicle compartment occupancy detection system
US6816077B1 (en) * 2001-03-02 2004-11-09 Elesys North America Inc. Multiple sensor vehicle occupant detection for air bag deployment control
JP2002368597A (ja) * 2001-06-06 2002-12-20 Sensus Yamamoto Co Ltd 近接センサ
US6661115B2 (en) * 2001-09-12 2003-12-09 Motorola, Inc. Conductive e-field occupant sensing
US6696948B2 (en) * 2001-11-02 2004-02-24 Elesys North America, Inc. Wet seat protection for air bag control occupant detection
JP3635640B2 (ja) * 2002-02-15 2005-04-06 株式会社ホンダエレシス 乗員判別方法及び乗員判別装置
JP3815345B2 (ja) * 2002-02-25 2006-08-30 日産自動車株式会社 可変動弁機構付き内燃機関
US7065438B2 (en) * 2002-04-26 2006-06-20 Elesys North America, Inc. Judgment lock for occupant detection air bag control
JP4076920B2 (ja) * 2002-08-02 2008-04-16 株式会社ホンダエレシス 乗員判別装置及び乗員判別方法
GB0320011D0 (en) * 2003-08-27 2003-10-01 Hook James G Goods vehicle stowaway detection system
US7315002B2 (en) * 2003-09-15 2008-01-01 Siemens Aktiengesellschaft Devices and method for detecting the position and the weight of a person
US7151452B2 (en) * 2003-12-05 2006-12-19 Elesys North America Inc. Vehicle occupant sensing system
JP4165410B2 (ja) * 2004-02-06 2008-10-15 株式会社デンソー 乗員保護システム
JP4189335B2 (ja) * 2004-02-23 2008-12-03 アイシン精機株式会社 乗員検知装置
JP4285281B2 (ja) * 2004-03-08 2009-06-24 株式会社デンソー 車両用シートベルト警報装置
JP2005274158A (ja) * 2004-03-22 2005-10-06 Fuji Photo Film Co Ltd 静電容量式液センサ
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
JP2006010490A (ja) * 2004-06-25 2006-01-12 Denso Corp 静電容量式センサおよび乗員検知システム
JP2006038715A (ja) * 2004-07-28 2006-02-09 Aisin Seiki Co Ltd 乗員検出装置
US7791476B2 (en) 2006-02-21 2010-09-07 Elesys North America, Inc. Occupant sensor and method for seat belt or other monitoring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230246601A1 (en) * 2022-01-31 2023-08-03 Qorvo Us, Inc. Protection circuit for acoustic filter and power amplifier stage
US12170507B2 (en) * 2022-01-31 2024-12-17 Qorvo Us, Inc. Protection circuit for acoustic filter and power amplifier stage

Also Published As

Publication number Publication date
CN101389507B (zh) 2013-01-02
BRPI0708171A2 (pt) 2011-05-17
KR101050005B1 (ko) 2011-07-19
WO2007098216A3 (en) 2008-02-21
JP2011158481A (ja) 2011-08-18
EP1986884A4 (en) 2011-12-07
EP1986884A2 (en) 2008-11-05
MX2008010740A (es) 2008-11-28
WO2007098216A2 (en) 2007-08-30
CN101389507A (zh) 2009-03-18
CA2642222A1 (en) 2007-08-30
US20070194900A1 (en) 2007-08-23
JP2011164109A (ja) 2011-08-25
JP4740346B2 (ja) 2011-08-03
WO2007098216B1 (en) 2008-04-17
US7791476B2 (en) 2010-09-07
JP2009527767A (ja) 2009-07-30
KR20080098375A (ko) 2008-11-07

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