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KR20220090637A - Digital tachograph with multi functions - Google Patents

Digital tachograph with multi functions Download PDF

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Publication number
KR20220090637A
KR20220090637A KR1020200180898A KR20200180898A KR20220090637A KR 20220090637 A KR20220090637 A KR 20220090637A KR 1020200180898 A KR1020200180898 A KR 1020200180898A KR 20200180898 A KR20200180898 A KR 20200180898A KR 20220090637 A KR20220090637 A KR 20220090637A
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unit
driving recorder
digital driving
vehicle
carbon dioxide
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KR1020200180898A
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Korean (ko)
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김광희
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주식회사 이노카
김광희
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/02—Registering or indicating driving, working, idle, or waiting time only
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0808—Diagnosing performance data
    • 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
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Traffic Control Systems (AREA)

Abstract

본 발명은 이산화탄소 농도감지센서를 구비해서 차량 실내의 이산화탄소 농도가 임계치 이상이 되는 것으로 판단될 경우, 졸음운전 경고신호를 발생하는 졸음운전 감시유닛을 구비한 차량 운행기록장치를 제공한다. 또한, 본 발명은 차량진단장치를 구비하여 부품의 고장상태를 관리서버에 보고하고, 리콜명령, 입고명령 등의 조치를 직접 통신수단을 통해 전달받도록 하는 기능을 구비한다. The present invention provides a vehicle driving recorder including a drowsy driving monitoring unit that includes a carbon dioxide concentration sensor and generates a drowsy driving warning signal when it is determined that the carbon dioxide concentration in the vehicle interior is greater than or equal to a threshold. In addition, the present invention is provided with a vehicle diagnostic device to report the failure state of the parts to the management server, and has a function to receive measures such as a recall command and a stocking command directly through a communication means.

Description

복합기능의 디지털 운행기록장치{DIGITAL TACHOGRAPH WITH MULTI FUNCTIONS}Multi-function digital driving recorder {DIGITAL TACHOGRAPH WITH MULTI FUNCTIONS}

본 발명은 차량에 설치되는 디지털 운행기록장치에 관한 것으로, 특히 종래기념의 속도, 위치, 브레이크, 충돌정보 등을 기록하는 운행기록계 기능 외에 다양한 스마트 기능을 구비한 디지털 운행기록장치에 관한 것이다. The present invention relates to a digital driving recorder installed in a vehicle, and more particularly, to a digital driving recorder having various smart functions in addition to the tachograph function for recording conventional commemorative speed, position, brake, collision information, and the like.

좀 더 구체적으로 설명하면, 본 발명은 운전자가 졸음운전을 하는지를 모니터해서 경고신호를 발생시키고, 차량의 운행정보와 차량장치를 진단해서 관리서버에 차량상태를 보고하고, 관리서버로부터의 지시를 차량의 제어장치 또는 운전자에게 전달하는 기능을 구비한 디지털 운행기록장치에 관한 것이다.More specifically, the present invention generates a warning signal by monitoring whether the driver is drowsy driving, diagnoses the vehicle operation information and vehicle device, reports the vehicle status to the management server, and transmits instructions from the management server to the vehicle. It relates to a digital driving recorder having a function of transmitting to a control device or a driver of the vehicle.

여객자동차 운수사업법 및 화물자동차 운수사업법이 정한 차량에는 운행기록계를 의무적으로 장착하도록 하고 있으며, 운행기록장치는 차량속도의 검출·RPM의감지·브레이크 신호의 감지·GPS를 통한 위치추적·입력신호데이터의 저장·방위각·가속도센서를 통한 충격감지·주행거리 및 교통사고 상황 등을 자동적으로 전자식 기억장치에 기록하도록 하고 있다.Vehicles stipulated by the Passenger Vehicle Transportation Business Act and the Freight Vehicle Transportation Business Act are obliged to install a tachometer, and the operation recorder detects vehicle speed, detects RPM, detects brake signals, tracks location through GPS, and input signal data It is designed to automatically record impact detection, mileage, and traffic accident conditions through the storage, azimuth, and acceleration sensors of the electronic memory device.

그런데 종래기술에 따른 운행기록장치는, 자동차의 속도, 위치, 사고상황 데이터 등 피상적 데이터만을 저장장치에 기록하는 기능만을 가지고 있어서, 필요 시에 사후적으로 저장장치에 기록된 차량운행데이터를 액세스해서 열람하는 정도로 사용되고 있다. However, the driving record device according to the prior art has only a function of recording only superficial data such as vehicle speed, location, accident situation data, etc. in the storage device. It is used to the extent of reading.

즉, 종래기술에 따른 디지털 운행기록장치는 자체 진단기능, 보고기능, 관리서버로부터의 명령수령기능 등과 같은 능동적, 선제적 조치를 취하는 기능을 구비하고 있지 않다. That is, the digital driving recorder according to the prior art does not have a function of taking active and preemptive measures, such as a self-diagnosis function, a report function, and a command receiving function from a management server.

1. 대한민국 특허공개 제10-2018-0091990호.1. Korean Patent Publication No. 10-2018-0091990. 2. 대한민국 특허 제10-1595700호.2. Korean Patent No. 10-1595700.

운행기록계에 대한 정보는 교통안전공단 디지털운행기록분석시스템 페이지 http://www.ts2020.kr/html/nsi/ssi/CRSDrivRecAnaSys.do 을 참조할 수 있다. For information on driving recorders, please refer to the Traffic Safety Authority's Digital Driving Records Analysis System page at http://www.ts2020.kr/html/nsi/ssi/CRSDrivRecAnaSys.do.

본 발명의 제1 목적은 운전자의 운전상태, 특히 졸음운전 여부를 판단해서 졸음운전에 대해 경고신호를 발생하는 기능을 구비한 운행기록장치를 제공하는 데 있다. A first object of the present invention is to provide a driving recorder having a function of generating a warning signal for drowsy driving by determining a driver's driving state, particularly, drowsy driving.

본 발명의 제2 목적은 상기 제1 목적에 부가하여, 차량부품의 동작상태를 진단하는 기능과 차량상태를 관리서버에 보고하는 기능, 관리서버로부터의 지시를 차량의 중앙제어장치 또는 운전자에게 전달하는 기능을 구비한 운행기록장치를 제공하는 데 있다.A second object of the present invention is, in addition to the first object, a function of diagnosing the operating state of vehicle parts, a function of reporting the vehicle condition to the management server, and transmitting an instruction from the management server to the vehicle's central controller or driver An object of the present invention is to provide a driving recorder having a function of

상기 목적을 달성하기 위하여, 본 발명은 이산화탄소 농도감지센서를 구비해서 차량 실내의 이산화탄소 농도가 임계치 이상이 되는 것으로 판단될 경우, 졸음운전 경고신호를 발생하는 졸음운전 감시유닛을 구비한 차량 운행기록장치를 제공한다. In order to achieve the above object, the present invention provides a vehicle driving recording device having a drowsy driving monitoring unit that includes a carbon dioxide concentration sensor and generates a drowsy driving warning signal when it is determined that the carbon dioxide concentration in the vehicle interior is greater than or equal to a threshold value. provides

또한, 본 발명은 차량진단장치를 구비하여 부품의 고장상태를 관리서버에 보고하고, 리콜명령, 입고명령 등의 조치를 직접 통신수단을 통해 전달받도록 하는 기능을 구비한다. In addition, the present invention is provided with a vehicle diagnostic device to report the failure state of the parts to the management server, and has a function to receive measures such as a recall command and a stocking command directly through a communication means.

본 발명은 종래기술과 달리 차량운행정보뿐 아니라, 졸음운전방지 기능, 차량부품 고장진단기능 및 보고기능, 조치사항 전달기능 등을 구비함으로써, 안전한 차량주행을 담보할 수 있다. Unlike the prior art, the present invention can ensure safe vehicle driving by providing not only vehicle driving information, but also a function for preventing drowsy driving, a function for diagnosing and reporting vehicle parts failure, and a function for delivering measures.

도1은 본 발명에 따른 디지털 운행기록장치의 구성을 나타낸 구성도.
도2는 본 발명의 양호한 실시예에 따른 졸음운전감지유닛의 구성을 나타낸 도면.1 is a block diagram showing the configuration of a digital driving recorder according to the present invention.
2 is a diagram showing the configuration of a drowsy driving detection unit according to a preferred embodiment of the present invention;

도1은 본 발명에 따른 디지털 운행기록장치의 구성을 나타낸 구성도이다. 도1을 참조하면, 본 발명에 따른 디지털 운행기록장치는 CAN 통신유닛(100), GPS 유닛(200), 데이터저장유닛(300) 외에, 통신유닛(400), 진단유닛(500), 졸음운전 감지유닛(600), 중앙제어유닛(700)을 더 포함하는 구성이다. 1 is a block diagram showing the configuration of a digital driving recorder according to the present invention. Referring to FIG. 1 , the digital driving recorder according to the present invention includes a CAN communication unit 100 , a GPS unit 200 , and a data storage unit 300 , a communication unit 400 , a diagnosis unit 500 , and drowsy driving. The configuration further includes a detection unit 600 and a central control unit 700 .

CAN 통신유닛(100)은 CAN 버스에 접속해서 전자엔진제어기(ECU; Electronic Control Unit ) 또는 센서가 보내오는 속도 연비, 엔진회전속도( RPM ), 브레이크 사용상태 등의 운행데이터를 확보하고, GPS 유닛(200)은 차량의 위치정보와 시간정보를 수신한다.The CAN communication unit 100 is connected to the CAN bus to secure operation data such as speed, fuel economy, engine rotation speed (RPM), brake use status, etc. sent by an Electronic Control Unit (ECU) or a sensor, and a GPS unit 200 receives vehicle location information and time information.

본 발명에 따른 디지털 운행기록장치는 졸음운전 감지유닛(600)을 구비하는 것을 특징으로 한다. 본 발명의 양호한 실시예로서, 졸음운전 감지유닛(600)은 차량 실내의 이산화탄소 농도를 측정함으로써 졸음운전 여부를 판단할 수 있다. The digital driving recorder according to the present invention is characterized in that it includes a drowsy driving detection unit (600). As a preferred embodiment of the present invention, the drowsy driving detection unit 600 may determine whether drowsy driving is performed by measuring the carbon dioxide concentration in the vehicle interior.

도2는 본 발명의 양호한 실시예에 따른 졸음운전 감지유닛의 구성을 나타낸 도면이다. 도2를 참조하면, 본 발명을 구성하는 졸음운전 감지유닛(600)은 차량 실내의 이산화탄소 농도를 감지해서 이를 전기신호로 변환하는 이산화탄소 센서(610)와, 이산화탄소 센서가 출력하는 전기신호의 레벨과 기준치( 임계치 )를 비교하는 비교기(620), 비교기 출력을 소정의 제어신호로 변환해서 중앙제어유닛(700)에 전송하는 신호처리부(630)로 구성된다.2 is a diagram showing the configuration of a drowsy driving detection unit according to a preferred embodiment of the present invention. Referring to FIG. 2 , the drowsy driving detection unit 600 constituting the present invention includes a carbon dioxide sensor 610 that detects the concentration of carbon dioxide in the vehicle interior and converts it into an electric signal, the level of the electric signal output by the carbon dioxide sensor, and It is composed of a comparator 620 that compares a reference value (threshold value), and a signal processing unit 630 that converts the comparator output into a predetermined control signal and transmits it to the central control unit 700 .

졸음운전 감지유닛(600)으로부터 졸음운전이 의심된다는 제어신호가 중앙제어유닛(700)에 전달되면, 중앙제어유닛(700)은 데이터저장유닛(300)에 저장을 함과 동시에, 적절한 조치를 출력할 수 있다. 본 발명에 따른 적절한 조치의 양호한 실시예로서, 액추에이터를 가동시켜 창문을 강제로 개방하도록 해서 신선한 공기가 유입되도록 하거나, 공조시스템을 가동시켜 신선한 공기가 유입되도록 하게 하거나, 또는 차량에 탑재된 AVN( Audio Video Navigation ) 시스템에 경고음 또는 경고화면을 송출할 수 있다. When a control signal indicating that drowsy driving is suspected from the drowsy driving detection unit 600 is transmitted to the central control unit 700 , the central control unit 700 stores the data in the data storage unit 300 and outputs an appropriate action. can do. As a preferred embodiment of the appropriate measures according to the present invention, the actuator is activated to force the window to be opened to allow fresh air to flow in, or the air conditioning system is activated to allow fresh air to flow in, or the AVN installed in the vehicle ( Audio Video Navigation ) can send a warning sound or warning screen to the system.

다시 도1을 참조하면, 본 발명에 따른 차량 운행기록장치는 엔진, 변속장치, 브레이크장치, 차체제어모듈( BCM; Body Control Module ) 등 기타 차량부품의 고장 여부를 진단하는 진단유닛(500)을 구비하는 것을 특징으로 한다. Referring back to FIG. 1, the vehicle driving recorder according to the present invention includes a diagnostic unit 500 for diagnosing whether other vehicle parts such as an engine, a transmission, a brake device, and a body control module (BCM) are faulty. It is characterized in that it is provided.

본 발명에 따른 운행기록장치를 구성하는 진단유닛(500)은 차량부품의 고장을 진단하고 고장코드를 중앙제어유닛(700)에 전송한다. 중앙제어유닛(700)은 고장코드와 고장 일시를 데이터저장유닛(300)에 저장하고, 통신유닛(400)을 통해 고장사실을 관리서버( 도시 생략 )에 전송한다. 관리서버는 고장코드를 분석하고 대처방안, 예를 들어 정비공장에 입고하는 명령을 내릴 수도 있고, 소프트웨어적으로 오류를 치유할 수 있는 것이라면 프로그램을 다운로드시켜 문제를 치유할 수 있다. The diagnosis unit 500 constituting the driving recorder according to the present invention diagnoses a failure of vehicle parts and transmits a failure code to the central control unit 700 . The central control unit 700 stores the failure code and the failure date and time in the data storage unit 300 , and transmits the failure fact to the management server (not shown) through the communication unit 400 . The management server can analyze the fault code and give a countermeasure, for example, a command to be delivered to the repair shop, or download a program to fix the problem if the error can be cured by software.

또한, 본 발명에 따른 관리서버는 리콜명령, 입고명령 등을 통신유닛(400)을 통해, 해당차량의 중앙제어유닛(700)에 내릴 수 있다. 본 발명에 따른 운행기록장치는 차량용 AVN 시스템에 일체화되어 차량출고 시에 빌트인되어 장착될 수도 있고, 스탠드 얼로운( stand alone ) 방식으로 제공될 수 있다. In addition, the management server according to the present invention may issue a recall command, a warehousing command, etc. to the central control unit 700 of the vehicle through the communication unit 400 . The driving recorder according to the present invention may be integrated into the AVN system for a vehicle and may be built-in and installed when the vehicle is shipped, or may be provided in a stand alone manner.

본 발명에 따른 운행기록장치는 상기 기능 외에, 비상 시의 e-call 기능과 유료도로 전자식 톨 시스템 유닛( 하이패스 유닛 )을 일체화하여 구비할 수 있다. In addition to the above functions, the driving recorder according to the present invention may include an electronic toll system unit (high pass unit) integrated with an emergency e-call function and toll road.

전술한 내용은 후술할 발명의 특허 청구 범위를 더욱 잘 이해할 수 있도록 본 발명의 특징과 기술적 장점을 다소 폭넓게 개선하였다. 본 발명의 특허 청구 범위를 구성하는 부가적인 특징과 장점들이 이하에서 상술 될 것이다. 개시된 본 발명의 개념과 특정 실시예는 본 발명과 유사 목적을 수행하기 위한 다른 구조의 설계나 수정의 기본으로서 즉시 사용될 수 있음이 당해 기술 분야의 숙련된 사람들에 의해 인식되어야 한다.The foregoing has rather broadly improved the features and technical advantages of the present invention in order to better understand the claims of the invention to be described later. Additional features and advantages constituting the claims of the present invention will be detailed below. It should be appreciated by those skilled in the art that the concept and specific embodiments of the present invention disclosed may be readily used as a basis for designing or modifying other structures for carrying out purposes similar to the present invention.

또한, 본 발명에서 개시된 발명 개념과 실시예가 본 발명의 동일 목적을 수행하기 위하여 다른 구조로 수정하거나 설계하기 위한 기초로서 당해 기술 분야의 숙련된 사람들에 의해 사용될 수 있을 것이다. 또한, 당해 기술 분야의 숙련된 사람에 의한 그와 같은 수정 또는 변경된 등가 구조는 특허 청구 범위에서 기술한 발명의 사상이나 범위를 벗어나지 않는 한도 내에서 다양한 진화, 치환 및 변경이 가능하다.In addition, the inventive concept and embodiment disclosed in the present invention may be used by those skilled in the art as a basis for modifying or designing other structures for carrying out the same purpose of the present invention. In addition, such modifications or changed equivalent structures by those skilled in the art may be variously evolved, substituted and changed without departing from the spirit or scope of the invention described in the claims.

본 발명은 종래기술과 달리 차량운행정보뿐 아니라, 졸음운전방지 기능, 차량부품 고장진단기능 및 보고기능, 조치사항 전달기능 등을 구비함으로써, 안전한 차량주행을 담보할 수 있다. Unlike the prior art, the present invention can ensure safe vehicle driving by providing not only vehicle driving information, but also a function for preventing drowsy driving, a function for diagnosing and reporting vehicle parts failure, and a function for delivering measures.

Claims (7)

전자엔진제어기(ECU; Electronic Control Unit ) 또는 센서가 보내오는 속도 연비, 엔진회전속도( RPM ), 브레이크 사용상태 등의 운행데이터를 확보하는 CAN 통신유닛;
차량의 위치와 시간 정보를 확보하는 GPS 유닛;
이산화탄소 센서를 통해 차량 실내의 이산화탄소 농도를 측정하고 기준치와 비교함으로써 졸음운전 여부를 판단하고 제어신호를 발송하는 졸음운전 감지유닛;
상기 CAN 통신유닛, GPS 유닛, 졸음운전 감지유닛이 전송하는 신호를 받아 데이터저장유닛에 저장하고, 통신유닛에 차량운행정보와 운전자 운전상태정보를 통신유닛을 통해 관리서버에 전송하는 중앙제어유닛
을 구비한 디지털 운행기록장치.CAN communication unit that secures operation data such as speed, fuel economy, engine rotation speed (RPM), brake use status, etc. transmitted from an electronic engine controller (ECU; Electronic Control Unit) or a sensor;
a GPS unit for securing vehicle location and time information;
a drowsy driving detection unit for determining whether or not driving while drowsy by measuring the concentration of carbon dioxide in the vehicle interior through a carbon dioxide sensor and comparing it with a reference value;
A central control unit that receives signals transmitted by the CAN communication unit, the GPS unit, and the drowsy driving detection unit, stores them in a data storage unit, and transmits the vehicle operation information and driver driving state information to the communication unit to the management server through the communication unit
A digital driving recorder equipped with 제1항에 있어서, 엔진, 변속장치, 브레이크장치, 차체제어모듈( BCM; Body Control Module ) 등 기타 차량부품의 고장 여부를 진단하는 진단유닛을 더 포함하는 디지털 운행기록장치.The digital driving recorder according to claim 1, further comprising a diagnosis unit for diagnosing whether other vehicle parts are faulty, such as an engine, a transmission device, a brake device, and a body control module (BCM). 제1항에 있어서, 상기 관리서버는 리콜명령 또는 입고명령 등 조치명령을 상기 통신유닛을 통해 중앙제어유닛에 하달하는 것을 특징으로 하는 디지털 운행기록장치.The digital driving recorder according to claim 1, wherein the management server sends an action command, such as a recall command or a stocking command, to the central control unit through the communication unit. 제1항에 있어서, 상기 졸음운전 감지유닛은,
이산화탄소 농도를 검출하여 전기신호로 변환하는 이산화탄소 센서;
임계치와 비교하여 임계치보다 큰지 적은지 여부를 판단하는 비교기;
비교기 출력을 신호로 변환하여 중앙제어유닛에 전송하는 신호처리부
로 구성되는 것을 특징으로 하는 디지털 운행기록장치.According to claim 1, wherein the drowsy driving detection unit,
a carbon dioxide sensor that detects the carbon dioxide concentration and converts it into an electrical signal;
a comparator that compares to a threshold to determine whether it is greater than or less than the threshold;
A signal processing unit that converts the comparator output into a signal and transmits it to the central control unit
A digital driving recorder, characterized in that it consists of. 제1항에 있어서, 상기 디지털 운행기록장치는 전자식 톨 시스템 유닛( 하이패스 처리 유닛 )을 더 포함하는 디지털 운행기록장치.The digital driving recorder according to claim 1, wherein the digital driving recorder further comprises an electronic toll system unit (high-pass processing unit). 제1항에 있어서, 상기 디지털 운행기록장치는 비상시 e-call 기능을 더 포함하는 디지털 운행기록장치.The digital driving recorder according to claim 1, wherein the digital driving recorder further comprises an e-call function in case of an emergency. 제1항 내지 제6항 중 어느 한 항에 따른 디지털 운행기록장치는 AVN 시스템에 합체하여 일체화된 것을 특징으로 하는 디지털 운행기록장치.7. The digital driving recorder according to any one of claims 1 to 6, wherein the digital driving recorder is integrated into the AVN system.
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KR102446624B1 (en) * 2022-07-25 2022-09-23 (주)아이트로닉스 Integrated hi-pass system based on V2X communication that can use C-ITS system
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