JP6626626B2 - Vehicle information communication device and vehicle anti-theft system - Google Patents

Description

  The present invention relates to a vehicle information communication device and a vehicle anti-theft system.

  BACKGROUND ART Conventionally, as described in Patent Literature 1, there is a vehicle diagnostic device that is connected to a vehicle-side diagnostic connector connected to various vehicle control devices installed in a vehicle via a connection connector. This vehicle diagnostic device is used by being easily attached to and detached from a vehicle diagnostic connector by a dealer mechanic, and various vehicle control devices (for example, an engine control unit, a meter control unit, and a body control unit) connected to the vehicle diagnostic connector. The operation information (running data, failure code, etc.) of the unit, the steering control unit, the vehicle attitude control unit, the power management unit, etc.) is acquired, and the failure of the vehicle is diagnosed.

  On the other hand, vehicle theft cases have occurred frequently in recent years. This may be caused by the vehicle user forgetting to lock the vehicle, closing the window, or the like. In order to prevent such a state, it is necessary to grasp the operating state of the vehicle at a remote place. By receiving the vehicle operation information (door lock status, window opening / closing status, etc.) from the vehicle at a remote vehicle management server, the vehicle operation status can be grasped at a remote location. For example, by transmitting control request information such as a door lock, the vehicle can be remotely controlled.

JP2008-24015

  The applicant assigns information (vehicle operation information) between various vehicle control devices installed in the vehicle and a vehicle management server located remotely from the vehicle, such as in a vehicle anti-theft system. In order to easily construct a vehicle information communication device that transmits and receives vehicle control request information), the use of a conventional vehicle diagnostic device has been considered.

  Since the conventional vehicle diagnostic device can be easily attached to and detached from the vehicle diagnostic connector on the vehicle side, a vehicle information communication system with various control devices of the vehicle can be easily constructed.

  However, the conventional vehicle diagnostic device newly deploys a transceiver (smartphone or the like) in the vehicle in order to transmit and receive information required by the vehicle diagnostic server to and from a remote vehicle management server. Need to be done. For example, the vehicle operation information acquired by the vehicle diagnostic device needs to be received by a smartphone in the vehicle and transmitted from the smartphone to a remote vehicle management server.

  An object of the present invention is to simply construct a vehicle information communication device for transmitting and receiving information required for various types of vehicle control devices installed in a vehicle and a vehicle management server remote from the vehicle. Is to do.

  The invention according to claim 1 is interposed between various vehicle control devices installed in a vehicle and a vehicle management server remote from the vehicle, and is required between the vehicle control devices and the vehicle management server. In a vehicle information communication device that transmits and receives information, a CPU, a CAN communication module, and a 3G module are built-in, and the CAN communication module is connected to a vehicle diagnostic connector provided on the vehicle side via a connection connector. CAN communication can be performed with various vehicle control devices connected to the vehicle diagnostic connector, and the 3G module includes a GPS antenna and a 3G antenna, and receives vehicle position information via the GPS antenna and / or the 3G antenna. And a vehicle position signal based on the vehicle position information and a vehicle operation signal based on the vehicle operation information of various vehicle control devices. And a vehicle control request information from the vehicle management server can be received by the 3G antenna, and the CPU is connected to the CAN communication module and the 3G module, and the vehicle from the vehicle management server receives the 3G module. It processes the control request information, creates a vehicle control request signal that is converted so that the vehicle control request information can be transmitted to various vehicle control devices by the CAN communication module, and generates various vehicle control request signals received by the CAN communication module. The vehicle operation information from the control device and the vehicle position information acquired by the 3G module are processed, and the vehicle operation information converted to enable transmission of each of the vehicle operation information and the vehicle position information to the vehicle management server by the 3G module. Signal and vehicle position signal It is obtained so as to create a.

  The invention according to claim 2 further includes a built-in Bluetooth (registered trademark) module together with the CPU, the CAN communication module, and the 3G module, wherein the Bluetooth (registered trademark) module is a Bluetooth (registered trademark). ) An antenna is provided, a vehicle operation signal based on vehicle operation information of various vehicle control devices is transmitted to a Bluetooth (registered trademark) device by a Bluetooth (registered trademark) antenna, and vehicle control request information from the Bluetooth (registered trademark) device is transmitted. By a Bluetooth® antenna, the CPU is connected to the Bluetooth® module, processes the vehicle control request information from the Bluetooth® device received by the Bluetooth® module, This vehicle control request information is transmitted to various vehicle controllers by the CAN communication module. A vehicle control request signal converted to enable transmission to a vehicle, processes the vehicle operation information received from the various vehicle control devices received by the CAN communication module, and transmits the vehicle operation information to a Bluetooth (registered trademark) module. In this case, a vehicle operation signal converted to be transmittable to a Bluetooth (registered trademark) device is created.

  The invention according to claim 3 is a vehicle theft prevention system using the vehicle information communication device according to claim 1 or 2.

(Claim 1)
(a) The vehicle information communication device includes a CAN communication module that can be easily attached to and detached from a vehicle diagnostic connector on the vehicle side via a connection connector. Then, the CAN communication module is enabled to perform CAN communication with various vehicle control devices. Therefore, a vehicle information (vehicle operation information) communication system between the vehicle information communication device and various vehicle control devices of the vehicle can be easily constructed.

  (b) The vehicle information communication device has a built-in 3G module. The 3G module includes a GPS antenna and a 3G antenna, acquires vehicle position information via the GPS antenna and / or the 3G antenna, and transmits a vehicle position signal based on the vehicle position information and vehicle operation of various vehicle control devices. A vehicle operation signal based on the information is transmitted to the vehicle management server by the 3G antenna, and vehicle control request information from the vehicle management server can be received by the 3G antenna. Therefore, a vehicle information (vehicle operation information and vehicle position information) communication system between the vehicle information communication device and a remote vehicle management server can be easily constructed without disposing a transceiver separate from the vehicle information communication device. .

  Thus, the CPU processes the vehicle operation information from the various vehicle control devices received by the CAN communication module and the vehicle position information received by the 3G module, and transmits the processed information to the vehicle management server.

  Further, the vehicle control request information from the vehicle management server received by the 3G module is processed by the CPU and transmitted to various vehicle control devices by the CAN communication module, thereby enabling remote control of the vehicle.

(Claim 2)
(c) The vehicle information communication device has a built-in Bluetooth (registered trademark) module. The Bluetooth® module includes a Bluetooth® antenna, and transmits a vehicle operation signal based on vehicle operation information of various vehicle control devices to the Bluetooth® device by the Bluetooth® antenna. At the same time, vehicle control request information from a Bluetooth (registered trademark) device can be received by a Bluetooth (registered trademark) antenna.

  Therefore, vehicle operation information received from the CAN communication module from various vehicle control devices and not displayed on the vehicle meter is processed by the CPU and displayed on the Bluetooth (registered trademark) device.

  Further, the vehicle control request information from the Bluetooth (registered trademark) device received by the Bluetooth (registered trademark) module is processed by the CPU and transmitted to various vehicle control devices by the CAN communication module, so that the vehicle can be controlled.

(Claim 3)
(d) In the vehicle theft prevention system, the above-mentioned (a) to (c) are realized in a vehicle information communication device interposed between various vehicle control devices installed in the vehicle and a vehicle management server remote from the vehicle. it can.

FIG. 1 is a schematic diagram showing a vehicle theft prevention system to which a vehicle information communication device is applied. FIG. 2 is a schematic diagram illustrating various vehicle control devices installed in the vehicle.

  The vehicle antitheft system 100 shown in FIG. 1 receives the vehicle position information and the vehicle operation information of the vehicle 1 on which the vehicle information communication device 20 is mounted by the vehicle management server 101 remote from the vehicle 1, and The operation state is grasped at a remote place, and if necessary, the vehicle management server 101 transmits control request information such as a door lock to the vehicle 1 so that the vehicle 1 can be remotely controlled.

  The vehicle antitheft system 100 has a vehicle information communication device 20 interposed between various vehicle control devices 10 installed in the vehicle 1 and a vehicle management server 101 remote from the vehicle 1. The vehicle information communication device 20 transmits and receives necessary information between the vehicle control device 10 and the vehicle management server 101.

  Various vehicle control devices 10 installed in the vehicle 1 include, for example, an engine control unit (ECU) 11, a meter control unit (M & A) 12, a body control unit (BCM) 13 such as a door lock, and a steering control unit (STRG). 14, a vehicle attitude control unit (TRC) 15 for traction control and the like, and a power management unit (IPDM) 16. The vehicle 1 has a vehicle diagnostic connector (OBDII) 17 mounted thereon. The various vehicle control devices 10 (11 to 16) and the vehicle diagnostic connector 17 are connected to each other by CAN buses 18A and 18B (CAN H line, CAN L line) that carry communication data. The control information is exchanged between the vehicle diagnostic connector 17 and the vehicle diagnostic connector 17.

  The vehicle information communication device 20 includes a CPU 21, a CAN communication module 22, and a 3G module 23. The CAN communication module 22 includes a connection connector 22A that is detachably connected to the vehicle diagnosis connector 17 of the vehicle 1. The 3G module 23 includes a GPS antenna 24 and a 3G antenna 25. The vehicle information communication device 20 stores the CPU 21, the CAN communication module 22, the 3G module 23, the GPS antenna 24, and the 3G antenna 25 inside a single housing 20H.

  The CAN communication module 22 is connected to the vehicle diagnostic connector 17 of the vehicle 1 via the connection connector 22A, and communicates with the various vehicle control devices 10 connected to the vehicle diagnostic connector 17 by the CAN buses 18A and 18B. Can be communicated via the. Thus, in the vehicle information communication device 20, the control information (vehicle operation information) on the CAN buses 18A and 18B transmitted from the various vehicle control devices 10 is received by the CAN communication module 22, and the CAN communication module The control information (vehicle control request signal) on the CAN buses 18 </ b> A and 18 </ b> B transmitted from the control unit 22 can be transmitted to various vehicle control devices 10.

  The 3G module 23 acquires vehicle position information (latitude, longitude, altitude, and the like) using the GPS antenna 24 and / or the 3G antenna 25. That is, the 3G module 23 receives GPS data from a GPS satellite via the GPS antenna 24, and acquires position information of the vehicle 1 based on the data. Further, the 3G module 23 receives A-GPS data from the mobile phone base station by the 3G antenna 25 in an underground parking lot or the like where the GPS antenna 24 cannot receive GPS data, and based on the data, detects the position information of the vehicle 1. get.

  The 3G module 23 receives a vehicle position signal converted by the CPU 21 based on the vehicle position information acquired by the GPS antenna 24 and / or the 3G antenna 25 as described later, and the various vehicle control devices 10 received by the CAN communication module 22. The CPU 21 transmits a vehicle operation signal converted as described later based on the vehicle operation information to the vehicle management server 101 via the predetermined communication network (Internet, LAN, etc.) by the 3G antenna 25.

  The 3G module 23 receives vehicle control request information, such as a door lock, transmitted from the vehicle management server 101 to the vehicle 1 by the 3G antenna 25 via a predetermined network.

  The CPU 21 is connected to the CAN communication module 22 and the 3G module 23 and performs the following operations i and ii.

  i. The 3G module 23 transmits the vehicle control request information received from the vehicle management server 101 via the 3G antenna 25 as described above to the various vehicle control devices 10 of the current communication target vehicle 1 by the CAN communication module 22. A vehicle control request signal whose communication method has been converted to be enabled is created.

  The vehicle control request signal created by the CPU 21 is transmitted from the CAN communication module 22 to various vehicle control devices 10 of the vehicle 1.

  ii. Each of the vehicle operation information from the various vehicle control devices 10 of the certain vehicle 1 received by the CAN communication module 22 and the vehicle position information acquired by the 3G module 23 can be transmitted to the vehicle management server 101 by the 3G module 23. Then, the vehicle operation signal and the vehicle position signal, each of which has a communication method converted, are created.

  The vehicle operation signal and the vehicle position signal created by the CPU 21 are transmitted from the 3G module 23 to the vehicle management server 101 via the 3G antenna 25.

  Further, the vehicle information communication device 20 has a built-in Bluetooth (registered trademark) module 26 together with the CPU 21, the CAN communication module 22, and the 3G module 23. The Bluetooth (registered trademark) module 26 includes a Bluetooth (registered trademark) antenna 27. The vehicle information communication device 20 also stores a Bluetooth (registered trademark) module 26 and a Bluetooth (registered trademark) antenna 27 inside the housing 20H. Bluetooth (registered trademark) is one of short-range wireless communication standards for digital devices.

  The Bluetooth (registered trademark) module 26 converts a vehicle operation signal, which is converted by the CPU 21 as described later, based on vehicle operation information from various vehicle control devices 10 received by the CAN communication module 22, into a Bluetooth (registered trademark) antenna 27. To a Bluetooth (registered trademark) device 30 such as a smartphone or a tablet terminal. The Bluetooth (registered trademark) module 26 receives, via a Bluetooth (registered trademark) antenna 27, vehicle control request information transmitted from the Bluetooth (registered trademark) device 30 to the vehicle 1. The Bluetooth (registered trademark) device 30 can be brought into the cabin of the vehicle 1 and used.

  The CPU 21 is connected to the Bluetooth (registered trademark) module 26, and performs the following processing operations iii and iv.

  iii. A communication system that enables vehicle control request information from the Bluetooth® device 30 received by the Bluetooth® module 26 to be transmitted to various vehicle control devices 10 of the vehicle 1 by the CAN communication module 22. Creates a converted vehicle control request signal.

  The vehicle control request signal created by the CPU 21 is transmitted from the CAN communication module 22 to various vehicle control devices 10 of the vehicle 1.

  iv. The communication method is set so that the vehicle operation information from the various vehicle control devices 10 of the vehicle 1 received by the CAN communication module 22 can be transmitted to the Bluetooth (registered trademark) device 30 by the Bluetooth (registered trademark) module 26. Create a converted vehicle operation signal.

  The vehicle operation signal created by the CPU 21 is transmitted from the Bluetooth (registered trademark) module 26 to the Bluetooth (registered trademark) device 30.

Therefore, the vehicle information communication device 20 performs the following communication operation.
(1) Operation of Obtaining Vehicle Operation Information The CAN communication module 22 controls various vehicle control devices 10 (the engine control unit 11 and the meter control unit 10) installed in the vehicle 1 via the vehicle diagnostic connector 17 and the CAN buses 18A and 18B. Unit 12, body control unit 13 such as door lock, steering control unit 14, vehicle attitude control unit 15 such as traction control, power management unit 16, etc.) to access vehicle operation information (running data, failure code, etc.) I do.

(2) Operation of Obtaining Vehicle Position Information The 3G module 23 obtains position information of the vehicle 1 via the GPS antenna 24 and the 3G antenna 25.

(3) Transmission operation of vehicle information (vehicle operation information and vehicle position information) The vehicle operation information (vehicle operation signal) and vehicle position information (vehicle position signal) acquired in the above (1) and (2) are processed by the CPU 21. Is transmitted to the remote vehicle management server 101 via the 3G antenna 25 by the 3G module 23.

  The vehicle management server 101 can grasp the failure diagnosis result of the vehicle 1 based on the vehicle operation signal received from the 3G module 23. Further, based on vehicle operation signals such as engine speed, vehicle speed, steering angle, and brakes related to safe driving of the vehicle 1, the safe driving state of the driver driving the vehicle 1 can be grasped.

(4) Display operation of vehicle operation information The vehicle operation information (vehicle operation signal) acquired in the above (1) is processed by the CPU 21, and the Bluetooth (registered trademark) module 26 transmits the Bluetooth (registered trademark) via the Bluetooth (registered trademark) antenna 27. (Registered trademark) device 30 for display. For example, the Bluetooth (registered trademark) device 30 can be used by being brought into the cabin of the vehicle 1 and can display vehicle operation information that is not displayed on the meter of the vehicle 1 to the driver. Since the Bluetooth (registered trademark) device 30 includes the failure diagnosis application for the vehicle 1, the failure diagnosis item of the vehicle 1 can be checked based on the vehicle operation signal received from the Bluetooth (registered trademark) module 26.

(5) Vehicle control request operation In response to the operation information of the vehicle 1 received by the vehicle management server 101 in the above (3), the vehicle control request information sent from the vehicle management server 101 is transmitted by the 3G module 23 via the 3G antenna 25. The received data is processed by the CPU 21 and transmitted from the CAN communication module 22 to various vehicle control devices 10 of the corresponding vehicle 1. For example, when it is determined from the vehicle operation information of the above (3) that the vehicle 1 is in the state of stopping the engine or the vehicle speed is 0 and the brake is on for a certain period of time and opening the door, the remote vehicle management server 101 The vehicle request information of the door lock is sent to the vehicle 1, and the corresponding vehicle control device 10 (the body control unit 13) of the vehicle 1 locks the door.

  Further, based on the operation information of the vehicle 1 received by the Bluetooth (registered trademark) device 30 in the above (4), vehicle control request information transmitted from the Bluetooth (registered trademark) device 30 is transmitted via the Bluetooth (registered trademark) antenna 27. The data is received by the Bluetooth (registered trademark) module 26, is processed by the CPU 21, and is transmitted from the CAN communication module 22 to various vehicle control devices 10 of the corresponding vehicle 1.

Therefore, according to the present embodiment, the following operation and effect can be obtained.
(a) The vehicle information communication device 20 includes a CAN communication module 22 that can be easily attached to and detached from the vehicle diagnosis connector 17 of the vehicle 1 via the connection connector 22A. Then, the CAN communication module 22 is enabled to perform CAN communication with various vehicle control devices 10. Therefore, a vehicle information (vehicle operation information) communication system between the vehicle information communication device 20 and the various vehicle control devices 10 of the vehicle 1 can be easily constructed.

  (b) The vehicle information communication device 20 has a built-in 3G module 23. The 3G module 23 includes a GPS antenna 24 and a 3G antenna 25, acquires vehicle position information via the GPS antenna 24 and / or the 3G antenna 25, and outputs a vehicle position signal based on the vehicle position information and various types of vehicles. The 3G antenna 25 transmits a vehicle operation signal based on the vehicle operation information of the control device 10 to the vehicle management server 101, and the 3G antenna 25 can receive vehicle control request information from the vehicle management server 101. Therefore, the vehicle information (vehicle operation information and vehicle position information) communication system between the vehicle information communication device 20 and the remote vehicle management server 101 can be simplified without disposing a transceiver separate from the vehicle information communication device 20. Can be built.

  Thereby, the CPU 21 processes the vehicle operation information from the various vehicle control devices 10 received by the CAN communication module 22 and the vehicle position information received by the 3G module 23, and transmits the processed information to the vehicle management server 101.

  Further, the vehicle control request information from the vehicle management server 101 received by the 3G module 23 is processed by the CPU 21 and transmitted to the various vehicle control devices 10 by the CAN communication module 22 so that the vehicle 1 can be remotely controlled.

  (c) The vehicle information communication device 20 has a built-in Bluetooth (registered trademark) module 26. The Bluetooth (registered trademark) module 26 includes a Bluetooth (registered trademark) antenna 27 and transmits a vehicle operation signal based on vehicle operation information of various vehicle control devices 10 to the Bluetooth (registered trademark) device 30 via the Bluetooth (registered trademark). While transmitting by the antenna 27, the vehicle control request information from the Bluetooth® device 30 can be received by the Bluetooth® antenna 27.

  Accordingly, the CPU 21 processes the vehicle operation information received from the various vehicle control devices 10 received by the CAN communication module 22 and not displayed on the vehicle meter, and displays the processed information on the Bluetooth (registered trademark) device 30. I do.

  Further, the vehicle control request information from the Bluetooth (registered trademark) device 30 received by the Bluetooth (registered trademark) module 26 is processed by the CPU 21, transmitted to the various vehicle control devices 10 by the CAN communication module 22, and transmitted to the vehicle 1. Make it controllable.

  (d) In the vehicle theft prevention system, in the vehicle information communication device 20 interposed between the various vehicle control devices 10 installed in the vehicle 1 and the vehicle management server 101 remote from the vehicle 1, (c) can be realized.

  In this vehicle theft system, when the user of the vehicle 1 loses the door opening / closing key of the vehicle 1, the door can be opened / closed using the Bluetooth (registered trademark) device 30. That is, the vehicle control request information of the door open which the user sends from the Bluetooth (registered trademark) device 30 outside the vehicle is received by the Bluetooth (registered trademark) module 26 via the Bluetooth (registered trademark) antenna 27 and is input to the CPU 21. Will be done. Thereby, the CPU 21 checks the security key unique to the vehicle 1 that has been set in advance and the security key that has been set in advance in the Bluetooth (registered trademark) device 30, and based on the matching of this check, the CAN 21. The communication module 22 opens the corresponding vehicle control device 10 (body control unit 13) of the vehicle 1 with the door open. Thereafter, the user can also lock the vehicle control device 10 (body control unit 13) of the vehicle 1 by using the Bluetooth (registered trademark) device 30 in the same manner.

  As described above, the embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. Included in the present invention. For example, the vehicle information communication device of the present invention can be widely applied not only to a vehicle theft prevention system but also to a general vehicle management system and the like.

  ADVANTAGE OF THE INVENTION According to this invention, the vehicle information communication apparatus which transmits and receives the information required for both between various vehicle control apparatuses installed in the vehicle and the vehicle management server remote from the vehicle is simply constructed. can do.

DESCRIPTION OF SYMBOLS 1 Vehicle 10 Vehicle control device 17 Vehicle diagnostic connector 20 Vehicle information communication device 21 CPU
22 CAN Communication Module 22A Connector 23G Connector 24 GPS Antenna 25 3G Antenna 26 Bluetooth (R) Module 27 Bluetooth (R) Antenna 30 Bluetooth (R) Device 100 Vehicle Theft Prevention System 101 Vehicle Management Server

Claims (2)

Vehicle information that is interposed between various vehicle control devices installed in the vehicle and a vehicle management server remote from the vehicle, and transmits and receives necessary information between the vehicle control devices and the vehicle management server. In a communication device,
Built-in CPU, CAN communication module and 3G module,
The CAN communication module is connected via a connection connector to a vehicle diagnostic connector provided on the vehicle side, and is capable of CAN communication with various vehicle control devices connected to the vehicle diagnostic connector. ,
The 3G module includes a GPS antenna and a 3G antenna, acquires vehicle position information via the GPS antenna and / or the 3G antenna, and outputs a vehicle position signal based on the vehicle position information and vehicle operation information of various vehicle control devices. A vehicle operation signal based on the 3G antenna, and transmitting the vehicle control request information from the vehicle management server via the 3G antenna,
The CPU is connected to the CAN communication module and the 3G module,
The 3G module processes the received vehicle control request information from the vehicle management server, and generates a vehicle control request signal converted so that the vehicle control request information can be transmitted to various vehicle control devices by the CAN communication module. With
The CAN communication module can process the vehicle operation information received from various vehicle control devices and the vehicle position information acquired by the 3G module, and can transmit each of the vehicle operation information and the vehicle position information to the vehicle management server by the 3G module. Create each of the vehicle operation signal and the vehicle position signal converted to
A Bluetooth (registered trademark) module is built in together with the CPU, the CAN communication module, and the 3G module,
The Bluetooth (registered trademark) module includes a Bluetooth (registered trademark) antenna , and transmits a vehicle operation signal based on vehicle operation information that is vehicle operation information of various vehicle control devices and is not displayed on a vehicle meter. Trademark) device to be transmitted by a Bluetooth® antenna, and vehicle control request information from the Bluetooth® device can be received by the Bluetooth® antenna,
The CPU is connected to a Bluetooth® module,
The Bluetooth (registered trademark) module processes the received vehicle control request information from the Bluetooth (registered trademark) device, and the vehicle control request information is converted by the CAN communication module to be transmittable to various vehicle control devices. Create a vehicle control request signal,
The CAN communication module processes the received vehicle operation information from the various vehicle control devices, and converts the vehicle operation information by the Bluetooth® module so that the vehicle operation information can be transmitted to the Bluetooth® device. Create a signal,
The vehicle control request information from the vehicle management server received by the 3G module includes first door lock request information transmitted from the vehicle management server, while the Bluetooth (registered trademark) module receives the Bluetooth (registered trademark) received. The vehicle control request information from the (registered trademark) device includes second request information of a door open or door lock,
When the CPU receives the first request information of the door lock, the CPU locks the door by controlling the corresponding vehicle control device of the vehicle, while the CPU locks the door open or the door lock. When the second request information is received, the security key of the vehicle set for itself is collated with the security key set for the Bluetooth (registered trademark) device, and the security key of the vehicle is determined based on the matching. The vehicle information communication device, wherein the door is opened or the door is locked by controlling the corresponding vehicle control device.   A vehicle theft prevention system using the vehicle information communication device according to claim 1.

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