Nothing Special   »   [go: up one dir, main page]

WO2014205803A1 - Système et procédé de télécommande d'automobile - Google Patents

Système et procédé de télécommande d'automobile Download PDF

Info

Publication number
WO2014205803A1
WO2014205803A1 PCT/CN2013/078423 CN2013078423W WO2014205803A1 WO 2014205803 A1 WO2014205803 A1 WO 2014205803A1 CN 2013078423 W CN2013078423 W CN 2013078423W WO 2014205803 A1 WO2014205803 A1 WO 2014205803A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
network server
bound
remote control
smartphone
Prior art date
Application number
PCT/CN2013/078423
Other languages
English (en)
Chinese (zh)
Inventor
翁杰军
Original Assignee
深圳市掌讯通讯设备有限公司
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 深圳市掌讯通讯设备有限公司 filed Critical 深圳市掌讯通讯设备有限公司
Priority to PCT/CN2013/078423 priority Critical patent/WO2014205803A1/fr
Publication of WO2014205803A1 publication Critical patent/WO2014205803A1/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • H04W12/065Continuous authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/029Location-based management or tracking services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/20Communication devices for vehicle anti-theft devices
    • B60R2325/205Mobile phones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/40Security arrangements using identity modules

Definitions

  • the present invention relates to in-vehicle navigation and mobile phone control technologies, and in particular to a vehicle remote control system and method thereof.
  • the technical problem to be solved by the present invention is how to provide a remote control system for a vehicle and a method thereof, which can safely and conveniently use a smart phone to control and monitor electronic devices in a vehicle to meet various control requirements of the user.
  • the first technical problem of the present invention is solved by: constructing a remote control method for a vehicle, characterized in that
  • the network server After detecting that the in-vehicle device and the smart phone bound to the same account are logged in to the background of the network server, the network server establishes a connection with the first virtual circuit of the vehicle device and connects with the second virtual circuit of the bound smart phone, and then Perform heartbeat testing regularly;
  • the user performs remote control of the car on the smart phone and inputs specific monitoring control commands. After verifying the control authority, the second virtual circuit connection is connected with the first virtual circuit, and the monitoring control command is pushed to the vehicle through the background of the network server.
  • the in-vehicle device receives and executes the monitoring control command, and then connects to the second virtual circuit through the first virtual circuit connection, and pushes the control result or the feedback information to the smart phone through the background of the network server.
  • the virtual circuit connection is a transmission control protocol (TCP)
  • the account and the password are used to log in to the background of the network server for the first time on one device, and the network server automatically adds the binding device operation to the account in the background.
  • the same account has the total number of bound devices/total number of bound mobile phones/the total number of bound mobile devices, and when the number is full, the operation of adding the binding device is invalid or prompting to delete other bindings. Equipment.
  • the binding includes generating a bound device number according to the account number and the phone number or device hardware code bound thereto.
  • the remote control method further includes remote navigation through a network: when the user uses the car navigation device, the navigation device built in the in-vehicle device cannot recognize the input destination, and is automatically activated by the mobile wireless network. Transfer to the network customer service center for processing, and send the destination coordinates or navigation path or failure result to the in-vehicle device after processing.
  • the network customer service center is managed by the network server in the background.
  • the remote control method further includes performing remote monitoring between smart phones bound to the same account or between the in-vehicle devices; and detecting that multiple devices bound to the same account are simultaneously logged into the network server After the background, establish a virtual circuit connection between each device and the background of the network server.
  • the remote control method further comprises: the web server actively collects the status and information of the in-vehicle device in the background, and the web server receives the query request bound to the smart phone in the background, and sends the corresponding status and information to the smart device.
  • the web server actively collects the status and information of the in-vehicle device in the background, and the web server receives the query request bound to the smart phone in the background, and sends the corresponding status and information to the smart device.
  • Mobile phone the web server actively collects the status and information of the in-vehicle device in the background.
  • the monitoring control command sent by the smartphone to the in-vehicle device through the network server in the background includes one or more of opening, ignition, radio control (recommended as much as possible) and file synchronization or transmission. .
  • the monitoring control command sent by the smart phone to the in-vehicle device through the network server in the background includes querying the current position of the car, and the in-vehicle device includes a positioning device.
  • the smart phone has built-in map data.
  • the positioning device includes but is not limited to a GPS system.
  • the network server background is used to manage the account, device binding and user login. After detecting that the in-vehicle device and the smart phone bound to the same account are logged in to the background of the network server, the network server establishes the network server background and the vehicle device in the background.
  • the first virtual circuit connection and the network server background are connected with the second virtual circuit of the bound smart phone, and then forward or push the information and periodically perform heartbeat detection for managing the account, device binding and user login, detecting the same binding
  • the network server establishes the first virtual circuit connection between the background of the network server and the in-vehicle device, and the background of the network server is connected with the second virtual circuit of the bound smart phone, and then forwards or Pushing information and performing heartbeat detection regularly for managing account number, device binding and user login.
  • the network server After detecting that the in-vehicle device and the smart phone bound to the same account are logged in to the background of the network server, the network server establishes the network server background and the vehicle-mounted device in the background. of A virtual circuit connection and a web server connected to the second virtual circuit background binding smartphones, and then forward or push information periodically performs heartbeat; wherein: VC connections are TCP connection length;
  • the smart phone uses the same binding account as the in-vehicle device to log in to the background of the network server through the mobile network or the wireless local area network, and is used for outputting the remote monitoring control command through the virtual circuit connection or receiving the control result or feedback information of the vehicle device;
  • the vehicle-mounted device uses the same binding account as the smart phone to log in to the background of the network server through the mobile network, and is used to receive and execute the remote monitoring control command, and then send the result to the smart phone through the virtual circuit connection.
  • the on-vehicle device includes automotive electronic equipment and intelligent navigation with a positioning device including, but not limited to, a GPS system.
  • FIG. 1 is a schematic structural diagram of a function module of an in-vehicle device and a smart phone control system according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a function module in the background of the control server in FIG. 1;
  • FIG. 3 is a schematic flow chart of the procedure of binding the GALA account to the smartphone in FIG. 1;
  • FIG. 4 is a schematic flowchart of a program for synchronizing data and file clouds between the smartphone and the network in FIG. 1;
  • FIG. 5 is a schematic flowchart of a program for synchronizing data and file clouds between the smartphone and the vehicle device in FIG.
  • Figure 6 is a flow chart of the process of the car positioning monitoring of the smart phone in the background of the network server in Figure 1.
  • FIG. 7 is a schematic diagram of a program flow of the remote control or remote control of the smartphone in the background of the smart phone in FIG. 1;
  • FIG. 8 is a flow chart showing a first preferred procedure of navigation of the in-vehicle device of FIG.
  • FIG. 9 is a flow chart showing a second preferred procedure of the navigation of the in-vehicle device of FIG.
  • a vehicle remote control system and method thereof according to a specific embodiment of the present invention are applied to installing a mobile phone companion application "GA"
  • the GALA web server backend and the embedded navigation system's on-board navigation GALA system are connected via mobile and the Internet.
  • the in-vehicle device communicates with the bound mobile phone GALA cat through a network and a multi-layer protocol, and realizes the mobile phone to the vehicle by using mobile 3G, 2G, WIFI network technology.
  • Remote monitoring and control of the device including:
  • GALA account mobile phone based on the synchronization protocol patent is bound to the vehicle device
  • the network server backstage mainly completes the registration and maintenance of the GALA number.
  • the mobile phone and the vehicle-mounted device are associated with the same GALA account, and the mobile phone or the vehicle-mounted device first uses the GALA account to log in, and the network server binds in the background, such a mobile phone.
  • GALA Sync Assistant which conveniently synchronizes music, video, software and configuration data between your phone and your car.
  • GALA synchronization assistant cloud storage service that integrates file synchronization and backup functions; automatically synchronizes data files in mobile phones and car machines, and can also back up important data to the cloud to prevent data loss; stable and secure, worthy of users trust.
  • GALA synchronization assistant automatically synchronizes the files in one device to other devices; makes the information in each device come together; only needs to transmit data through USB data cable, no traffic will be generated. .
  • the GALA synchronization assistant conveniently performs cloud storage services such as synchronization or data backup between the mobile phone and the network, so that the data files in the mobile phone and the car machine can be automatically synchronized, and the important backup can also be backed up.
  • Data to the cloud to prevent data loss; stable and secure, worthy of user trust.
  • the specific steps include: First, the user needs to enter the gala system and log in to the GALA account; click the sync assistant. Point backup Data to the cloud, click to enter, select the content you want to back up. In the selection content column, it is divided into settings and synchronization, and the settings are divided into wallpaper, software status, and system information; the application is divided into all applications.
  • the GALA account password is popped up, and the data stream can be sent to the server through the POS T method. After the transmission is successful, the server returns successfully and the synchronization is completed.
  • the GALA synchronization assistant conveniently synchronizes music, video, software and configuration data between the mobile phone and the in-vehicle device, so that the information in each device is brought together; only the data needs to be transmitted through the USB data cable. , no traffic will be generated.
  • the specific steps include: First, log in to the same GALA account on the gala cat and the car terminal. After entering the gala cat, click on the sync assistant. Click the file to the car, click to enter, select the content to send; in the selection content bar, there are four choices of music, video, software and configuration data, select the file to be sent, and generate a list of synchronization files.
  • the car side automatically pops up the sync assistant.
  • click the sync button to pop up the GALA password. After the password is correct, the file can be received.
  • the car positioning specifically includes the following steps:
  • the application server sends a push request
  • In-vehicle device call GPS to obtain location information
  • the application server sends the information to the push server
  • GALA cat gets pushed GPS position coordinates (latitude and longitude) Call map to display car position;
  • the push implementation principle is as follows: 1) GALA cat and car device embedded embedding JAVA language development
  • the tool sdk establishes a tcp long connection with the push server and periodically performs heartbeat detection. 2)
  • When one party needs to push send push information and physical address MAC, GALA account (GALAID) to the application server API
  • the application server calls the API interface of the push server to send a push request.
  • the push server pushes the information to the designated GALA user or the in-vehicle device that is bound to the mac.
  • the car remote control specifically includes the following steps:
  • the application server sends a push request
  • the application server sends information to the push server
  • the push implementation principle is as follows: 1) The GALA cat and the in-vehicle device embed the JAVA language bursting tool sdk, establish a tcp long connection with the push server, and periodically perform heartbeat detection. 2) When one party needs to push, send push information and physical address MAC, GALA account (GALAID) to the application server API, the application server calls the API interface of the push server, and sends a push request. 3) After receiving the request data, the push server pushes the information to the designated GALA user or the in-vehicle device bound to the mac.
  • the first user car navigation preference program applying the system includes the following steps:
  • the application server sends push information to the push server
  • Vehicle group device calls Gaode map display navigation
  • the first user car navigation preference program applying the system includes the following steps:
  • the customer service opens the customer service platform to find the coordinates by acquiring the destination by voice, and sends the information to the application server.
  • the application server calculates the navigation path based on the coordinate information. Generate a string.
  • the application server sends push information to the push server
  • the application server calls the API interface of the push server to send a push request. 3) After receiving the request data, the push server pushes the information to the designated GALA user or the in-vehicle device bound to the mac.
  • the vehicle remote control system and method thereof provided by the invention are not limited to one mobile phone to control one vehicle, and one mobile phone can control multiple vehicles, which is suitable for one person with multiple vehicles, and can also be controlled by multiple mobile phones.
  • the vehicle remote control system and the method thereof provided by the invention are more powerful than the traditional remote control function, and are more convenient, flexible and simple, and have no additional implementation cost, and are especially used by a majority of driver friends.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un système de télécommande d'automobile et un procédé correspondant. Le système consiste en un arrière-plan de serveur de réseau, un appareil embarqué et un téléphone mobile. Le procédé comporte: l'attachement d'un même compte avec au moins un smartphone et un appareil embarqué pour l'interconnexion; après la détection que l'appareil embarqué et le smartphone du même compte sont connectés simultanément, l'établissement séparément par un arrière-plan de serveur de réseau d'une connexion à un circuit virtuel correspondant avec l'appareil embarqué et le smartphone puis l'exécution régulière d'une détection de battement du cœur; le démarrage par un utilisateur d'une application de télécommande de véhicule sur le téléphone mobile et l'entrée d'instructions de surveillance et de commande spécifiques, et après la vérification de l'autorisation de prise de commande, l'envoi des instruction de surveillance et de commande vers l'appareil embarqué en utilisant la connexion de circuit virtuel et l'arrière-plan de serveur de réseau; la réception et l'exécution des instructions de surveillance et de commande par l'appareil embarqué, et l'envoi des résultats des commandes ou des informations de retour vers le smartphone en utilisant la connexion de circuit virtuel et l'arrière-plan de serveur de réseau. Le système de télécommande et le procédé correspondant sont en temps réel, sûrs, fiables et pratiques.
PCT/CN2013/078423 2013-06-28 2013-06-28 Système et procédé de télécommande d'automobile WO2014205803A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/078423 WO2014205803A1 (fr) 2013-06-28 2013-06-28 Système et procédé de télécommande d'automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/078423 WO2014205803A1 (fr) 2013-06-28 2013-06-28 Système et procédé de télécommande d'automobile

Publications (1)

Publication Number Publication Date
WO2014205803A1 true WO2014205803A1 (fr) 2014-12-31

Family

ID=52140880

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/078423 WO2014205803A1 (fr) 2013-06-28 2013-06-28 Système et procédé de télécommande d'automobile

Country Status (1)

Country Link
WO (1) WO2014205803A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106331177A (zh) * 2016-10-28 2017-01-11 安徽江淮汽车股份有限公司 一种远程智能终端自动烧写vin码的方法及系统
CN109951277A (zh) * 2019-03-12 2019-06-28 广州小鹏汽车科技有限公司 虚拟钥匙绑定方法及系统
CN110392082A (zh) * 2018-04-20 2019-10-29 比亚迪股份有限公司 车辆控制方法和系统
CN110570569A (zh) * 2019-09-11 2019-12-13 广州小鹏汽车科技有限公司 虚拟钥匙配置信息的激活方法、移动终端及服务器
CN110830418A (zh) * 2018-08-09 2020-02-21 北汽福田汽车股份有限公司 车载终端与应用程序绑定的方法和装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102394918A (zh) * 2011-10-24 2012-03-28 天泽信息产业股份有限公司 一种车辆信息远程管理、服务系统及其实现方法
EP2506532A1 (fr) * 2011-03-30 2012-10-03 Gemalto SA Procédé de mise à jour d'éléments sécurisés compris dans des terminaux d'un réseau de télécommunication et serveur de mise à jour correspondant
CN102891885A (zh) * 2012-09-13 2013-01-23 南昌大学 一种手机远程控制汽车的装置及其控制方法
CN102932488A (zh) * 2012-11-28 2013-02-13 北京开元智信通软件有限公司 车载终端程序管理方法
CN103347072A (zh) * 2013-06-28 2013-10-09 深圳市掌讯通讯设备有限公司 一种汽车远程控制系统及其方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2506532A1 (fr) * 2011-03-30 2012-10-03 Gemalto SA Procédé de mise à jour d'éléments sécurisés compris dans des terminaux d'un réseau de télécommunication et serveur de mise à jour correspondant
CN102394918A (zh) * 2011-10-24 2012-03-28 天泽信息产业股份有限公司 一种车辆信息远程管理、服务系统及其实现方法
CN102891885A (zh) * 2012-09-13 2013-01-23 南昌大学 一种手机远程控制汽车的装置及其控制方法
CN102932488A (zh) * 2012-11-28 2013-02-13 北京开元智信通软件有限公司 车载终端程序管理方法
CN103347072A (zh) * 2013-06-28 2013-10-09 深圳市掌讯通讯设备有限公司 一种汽车远程控制系统及其方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106331177A (zh) * 2016-10-28 2017-01-11 安徽江淮汽车股份有限公司 一种远程智能终端自动烧写vin码的方法及系统
CN106331177B (zh) * 2016-10-28 2020-01-14 安徽江淮汽车集团股份有限公司 一种远程智能终端自动烧写vin码的方法及系统
CN110392082A (zh) * 2018-04-20 2019-10-29 比亚迪股份有限公司 车辆控制方法和系统
CN110830418A (zh) * 2018-08-09 2020-02-21 北汽福田汽车股份有限公司 车载终端与应用程序绑定的方法和装置
CN110830418B (zh) * 2018-08-09 2021-09-17 北汽福田汽车股份有限公司 车载终端与应用程序绑定的方法和装置
CN109951277A (zh) * 2019-03-12 2019-06-28 广州小鹏汽车科技有限公司 虚拟钥匙绑定方法及系统
CN109951277B (zh) * 2019-03-12 2020-10-16 广州小鹏汽车科技有限公司 虚拟钥匙绑定方法及系统
US11882509B2 (en) 2019-03-12 2024-01-23 Guangzhou Chengxing Zhidong Motors Technology Co., Ltd. Virtual key binding method and system
CN110570569A (zh) * 2019-09-11 2019-12-13 广州小鹏汽车科技有限公司 虚拟钥匙配置信息的激活方法、移动终端及服务器
CN110570569B (zh) * 2019-09-11 2022-02-11 广州小鹏汽车科技有限公司 虚拟钥匙配置信息的激活方法、移动终端及服务器

Similar Documents

Publication Publication Date Title
CN103347072B (zh) 一种汽车远程控制系统及其方法
CN104635501B (zh) 智能家居控制方法和系统
JP6448158B2 (ja) 車載インフォテインメントとデータを交換するための方法、サーバ、モバイル端末、及び装置
WO2015117367A1 (fr) Procédé et dispositif de commande d'assistance à distance
US9691271B2 (en) Trainable transceiver and cloud computing system architecture systems and methods
WO2014205803A1 (fr) Système et procédé de télécommande d'automobile
JP5966718B2 (ja) 近距離無線通信システム及び近距離無線通信端末
CN107395343A (zh) 证书管理方法及系统
CN105808285A (zh) 车辆控制更新的方法和系统
CN102724329A (zh) 一种车载导航仪的控制方法
KR20130031520A (ko) 사용자 단말에서 콜 수신자의 정보 제공 방법 및 장치
WO2018196240A1 (fr) Procédé et système de gestion de stationnement pour véhicule, véhicule, dispositif de stationnement et serveur
KR101265158B1 (ko) 버스 정보 시스템 및 그의 정보 처리 방법
US11110892B2 (en) Method of bicycle parking management and a system of bicycle parking management
CN102903034A (zh) 一种医疗急救中心车载平板电脑移动android急救任务系统
WO2014173015A1 (fr) Procédé, dispositif et système permettant d'acquérir des informations concernant un conducteur illégal
CN104660639B (zh) 云终端升级处理方法及装置
CN1808981B (zh) 在远程信息处理单元处的三方呼叫的远程发起
CN108702366A (zh) 设备连接方法及终端
CN110958234A (zh) 一种应用登录控制方法、装置及存储介质
WO2015176392A1 (fr) Procédé et dispositif de vidéosurveillance d'école maternelle
WO2017000495A1 (fr) Procédé et dispositif d'ajout de contacts
WO2014082396A1 (fr) Procédé pour bloquer un terminal mobile, et terminal mobile
CN104200624A (zh) 一种基于车联网的车门遥控装置
CN109660988A (zh) 通信鉴权处理方法、装置及电子设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13888174

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13888174

Country of ref document: EP

Kind code of ref document: A1