CN104406600A - Method, equipment and system for updating vehicle-mounted offline map data - Google Patents

Method, equipment and system for updating vehicle-mounted offline map data Download PDF

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Publication number
CN104406600A
CN104406600A CN201410720617.0A CN201410720617A CN104406600A CN 104406600 A CN104406600 A CN 104406600A CN 201410720617 A CN201410720617 A CN 201410720617A CN 104406600 A CN104406600 A CN 104406600A
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CN
China
Prior art keywords
vehicle
terminal
guidance
mobile terminal
mobile
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.)
Pending
Application number
CN201410720617.0A
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Chinese (zh)
Inventor
蔡官明
张丙林
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.)
Baidu Online Network Technology Beijing Co Ltd
Beijing Baidu Netcom Science and Technology Co Ltd
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Beijing Baidu Netcom Science and Technology Co Ltd
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 Beijing Baidu Netcom Science and Technology Co Ltd filed Critical Beijing Baidu Netcom Science and Technology Co Ltd
Priority to CN201410720617.0A priority Critical patent/CN104406600A/en
Publication of CN104406600A publication Critical patent/CN104406600A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/28Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
    • G01C21/30Map- or contour-matching
    • G01C21/32Structuring or formatting of map data

Abstract

The invention provides a method, equipment and system for updating vehicle-mounted offline map data. The method comprises the following steps: a mobile terminal establishes a mobile access point; the mobile terminal establishes a wireless connection channel with a vehicle-mounted navigation terminal through the established mobile access point; the mobile terminal sends the offline map data to the vehicle-mounted navigation terminal through the wireless connection channel, so that the vehicle-mounted navigation terminal is facilitated to update the map data of the vehicle-mounted navigation terminal according to the offline map data. The method can effectively solves the problems that the conventional method for updating the vehicle-mounted offline map data lacks intelligence and convenience and network resources are wasted when the offline map data is updated by using the 3G networking function.

Description

Upgrade method, the equipment and system of vehicle-mounted diagram data off-line
Technical field
The present invention relates to the communications field, specifically, relate to the method, the equipment and system that upgrade vehicle-mounted diagram data off-line.
Background technology
Current mobile unit great majority do not have function of surfing the Net, the Data Update of its vehicle mounted guidance adopts manual mode, need first to take off SD (the Secure Digital on car machine (car machine refers to the abbreviation of the on-vehicle information amusing products be arranged on inside automobile), safe digital card) card, then utilize computer that data are downloaded on SD card, finally the SD card of downloading data is inserted on car machine, its whole renewal process is all manual completing, lack of wisdom and convenience, the function of vehicle mounted guidance is caused greatly to weaken, although newly go out car machine for part there is 3G (3rd-Generation, the third generation communication technology) function of surfing the Net, but because rate problem, the problem that the diagram data being off-line faced with vehicle mounted guidance too cannot directly upgrade.
Summary of the invention
The invention provides a kind of method, the equipment and system that upgrade vehicle-mounted diagram data off-line, efficiently solve lack of wisdom and convenience in the mode of the vehicle-mounted diagram data off-line of existing renewal, and upgrade diagram data off-line by 3G function of surfing the Net and produce the problem of network rate.
On the one hand, embodiments of the present invention provide a kind of method upgrading vehicle-mounted diagram data off-line, and described method comprises:
Mobile terminal creates mobile access point;
Described mobile terminal sets up radio link channel by the mobile access point of described establishment and vehicle mounted guidance terminal (such as car machine);
Described mobile terminal sends diagram data off-line by described radio link channel to described vehicle mounted guidance terminal, so that described vehicle mounted guidance terminal is according to the map datum of described this vehicle mounted guidance terminal of off-line map data update.
Correspondingly, embodiment of the present invention provides a kind of mobile terminal, and described mobile terminal comprises:
Creation module, for creating mobile access point;
Link block, sets up radio link channel for the described mobile access point that created by described creation module and vehicle mounted guidance terminal;
Sending module, sends diagram data off-line for the described radio link channel set up by described link block to described vehicle mounted guidance terminal, so that described vehicle mounted guidance terminal is according to the map datum of described this vehicle mounted guidance terminal of off-line map data update.
On the other hand, embodiment of the present invention provides a kind of method upgrading vehicle-mounted diagram data off-line, and described method comprises:
Vehicle mounted guidance terminal search is used for the mobile access point of transmitting offline map datum,
Radio link channel is set up according to the described mobile access point that searches and mobile terminal;
Described vehicle mounted guidance terminal receives the diagram data off-line of described mobile terminal transmission by described radio link channel,
According to the map datum of described this vehicle mounted guidance terminal of off-line map data update received.
Correspondingly, embodiment of the present invention provides a kind of vehicle mounted guidance terminal, and described vehicle mounted guidance terminal comprises:
Search and link block, for searching for the mobile access point for transmitting offline map datum, set up radio link channel according to the described mobile access point that searches and mobile terminal;
Receive and update module, the radio link channel for being set up by described search and link block receives the diagram data off-line that described mobile terminal sends, according to the map datum of described this vehicle mounted guidance terminal of off-line map data update received.
Another aspect, embodiment of the present invention provides a kind of system upgrading vehicle-mounted diagram data off-line, and described system comprises: mobile terminal as above and vehicle mounted guidance terminal as above.
Implement the method for the vehicle-mounted diagram data off-line of renewal provided by the invention, equipment and system can intelligence and upgrade vehicle-mounted diagram data off-line easily, and does not produce any network rate.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram upgrading the method for vehicle-mounted diagram data off-line according to embodiment of the present invention;
Fig. 2 is the process flow diagram upgrading the method for vehicle-mounted diagram data off-line according to the another kind of embodiment of the present invention;
Fig. 3 is the Organization Chart of the system according to the vehicle-mounted diagram data off-line of the renewal of embodiment of the present invention;
Fig. 4 shows the structural representation of the mobile terminal in the system shown in Fig. 3;
Fig. 5 shows the structural representation of the vehicle mounted guidance terminal in the system shown in Fig. 3.
Embodiment
For making the object of embodiments of the invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is a kind of process flow diagram upgrading the method for vehicle-mounted diagram data off-line according to embodiment of the present invention, and see Fig. 1, the method comprises:
S110: mobile terminal creates mobile access point.
Wherein, described mobile terminal can be mobile phone or panel computer, described mobile access point can be Wi-Fi (Wireless Fidelity, adopting wireless fidelity technology) focus, Bluetooth address or infrared signal, because the transmission speed of Wi-Fi Hotspot is fast, therefore the mode of Wi-Fi Hotspot is preferably adopted, below for Wi-Fi Hotspot, the establishment of mobile access point is specifically described: mobile terminal creates Wi-Fi Hotspot automatically by the plug-in unit in mobile edition navigation software, and the title of focus can identifiedly be focus for transmitting offline map datum through being processed into, such as, hotspot name is by 8 random characters, underscore, BN forms, such as: zdledkdd_BN.Plug-in unit wherein in mobile edition navigation software can include, but are not limited to: 1.Wi-Fi administration module: the automatic establishment being responsible for Wi-Fi Hotspot, the condition managing of Wi-Fi link; 2. protocol module: the transmission communication being responsible for link the shaking hands of both sides, software version information and data configuration file; 3.UI module: the data that responsible display can be synchronous, selects synchronously used for user; 4. data transmission module: the transmission of charge map data.In an embodiment of the present invention, the specific implementation process of described automatic establishment Wi-Fi Hotspot is: the reflection technology utilizing JAVA, and the method for hiding setWifiApEnabled calling the WifiManager class of Android (ANDROID) Wi-Fi administration module completes the establishment of Wi-Fi Hotspot automatically.
S120: described mobile terminal sets up radio link channel by the mobile access point of described establishment and vehicle mounted guidance terminal.
S130: described mobile terminal sends diagram data off-line by described radio link channel to described vehicle mounted guidance terminal, so that described vehicle mounted guidance terminal is according to the map datum of described this vehicle mounted guidance terminal of off-line map data update.Wherein, diagram data off-line to be sent can be shown to user by mobile edition navigation software, and user selects the diagram data off-line sent, and then data is sent in the past.
Wherein, described mobile terminal can obtain online from network server in advance described in diagram data off-line.Certainly, the present invention is not limited thereto, it will be appreciated by those skilled in the art that diagram data off-line that is that can also be downloaded in advance to described mobile terminal transmission by PC or that read from the mobile memory medium (such as, CD, DVD etc.) bought.
Further, for improving the security of off-line Map, after mobile terminal and vehicle mounted guidance terminal complete connection, both sides complete the inspection of legitimacy by Handshake Protocol.Such as in one embodiment of the invention, the method can also comprise except above-mentioned steps:
Before the described transmission of execution off-line diagram data, described mobile terminal sends authentication message to described vehicle mounted guidance terminal;
Described mobile terminal receives checking message that described vehicle mounted guidance terminal produces according to described authentication message and carries out authentication according to described checking message to described vehicle mounted guidance terminal.
Be example with RSA (Rivest-Shamir-Adleman, a kind of public key encryption algorithm) cryptographic algorithm below, said process be specifically described:
Mobile terminal sends to vehicle mounted guidance terminal the ciphertext EA that character string A obtains through rsa encryption;
Mobile terminal receives character string B that vehicle mounted guidance terminal produces according to ciphertext EA and carries out authentication according to character string B to vehicle mounted guidance terminal, wherein character string B and character string A compares by mobile terminal, if identical, confirms that the identity of vehicle mounted guidance terminal is legal.
Fig. 2 is the process flow diagram upgrading the method for vehicle-mounted diagram data off-line according to the another kind of embodiment of the present invention, and see Fig. 2, the method comprises:
S210: vehicle mounted guidance terminal search is used for the mobile access point of transmitting offline map datum, sets up radio link channel according to the described mobile access point that searches and mobile terminal.
Wherein, described mobile access point can be Wi-Fi Hotspot, Bluetooth address or infrared signal; Below for Wi-Fi Hotspot, S210 is specifically described: the available hotspots of the plug-in unit calling system broadcast search periphery of the vehicle-mounted version navigation software first on vehicle mounted guidance terminal; Then find hotspot name with the certain hotspot of " _ BN " EOC, and be certainly dynamically connected, thus set up radio link channel with mobile terminal.In one embodiment of the invention, the plug-in unit of described vehicle-mounted version navigation software can include, but are not limited to: 1.Wi-Fi administration module: automatic search and the connection of being responsible for Wi-Fi Hotspot, the condition managing that Wi-Fi connects; 2. protocol module: the transmission communication being responsible for link the shaking hands of both sides, software version information and data configuration file; 3.UI module: the state being responsible for display data syn-chronization; 4. data reception module: the reception of charge map data and merging.
S220: described vehicle mounted guidance terminal receives the diagram data off-line of described mobile terminal transmission, according to the map datum of described this vehicle mounted guidance terminal of off-line map data update received by described radio link channel.
Wherein, for improving the security of off-line Map, after mobile terminal and vehicle mounted guidance terminal complete connection, both sides complete the inspection of legitimacy by Handshake Protocol.Such as in one embodiment of the invention, the method can also comprise except above-mentioned steps:
Described vehicle mounted guidance terminal receives the authentication message that described mobile terminal sends;
Described vehicle mounted guidance terminal produces checking message according to described authentication message, and gives described mobile terminal, so that described mobile terminal carries out authentication to described vehicle mounted guidance terminal by described checking message feedback.
Below for RSA cryptographic algorithms, said process is specifically described:
The ciphertext EA that vehicle mounted guidance terminal mobile terminal receive sends, wherein this ciphertext EA is obtained character string A by mobile terminal through rsa encryption;
Vehicle mounted guidance terminal uses RSA to decipher EA and obtains character string B, and character string B is fed back to mobile terminal, so that mobile terminal carries out authentication to vehicle mounted guidance terminal, wherein character string B and character string A compares by mobile terminal, if identical, confirms that the identity of vehicle mounted guidance terminal is legal.
Fig. 3 is the Organization Chart of the system according to the vehicle-mounted diagram data off-line of the renewal of embodiment of the present invention, and see Fig. 3, described system comprises:
Mobile terminal 100, for performing following operation: create mobile access point; Radio link channel is set up by described mobile access point and vehicle mounted guidance terminal; Diagram data is off-line sent to described vehicle mounted guidance terminal, so that described vehicle mounted guidance terminal is according to the map datum of described this vehicle mounted guidance terminal of off-line map data update by described radio link channel.
Vehicle mounted guidance terminal 200, for performing following operation: search is used for the mobile access point of transmitting offline map datum, sets up radio link channel according to the described mobile access point that searches and mobile terminal; The diagram data off-line of described mobile terminal transmission is received, according to the map datum of described this vehicle mounted guidance terminal of off-line map data update received by described radio link channel.
Fig. 4 shows the structural representation of the mobile terminal in the system shown in Fig. 3, and see Fig. 4, described mobile terminal 100 comprises:
Creation module 110, for creating mobile access point.
Wherein, described mobile access point can be Wi-Fi Hotspot, Bluetooth address or infrared signal.
Link block 120, sets up radio link channel for the described mobile access point that created by described creation module 110 and vehicle mounted guidance terminal.
Sending module 130, described radio link channel for being set up by described link block 120 sends diagram data off-line to described vehicle mounted guidance terminal, so that described vehicle mounted guidance terminal is according to the map datum of described this vehicle mounted guidance terminal of off-line map data update.
Wherein, mobile terminal can also comprise acquisition module except above-mentioned each module, for obtaining this diagram data off-line from the webserver.
Take mobile access point as Wi-Fi Hotspot be example, according to one embodiment of the present invention, creation module 110 and link block 120 can be merged into Wi-Fi administration module, wherein creation module 110 is responsible for the automatic establishment of Wi-Fi Hotspot, and link block 120 is responsible for the condition managing of Wi-Fi link; And sending module 130 can be divided into UI module and data transmission module, the data that wherein display of UI module in charge can be synchronous, select synchronously used, the transmission of data transmission module charge map data for user.
In addition, for improving the security of off-line Map, this mobile terminal can also comprise protocol module, is responsible for the transmission communication of the shaking hands of link both sides, software version information and data configuration file, according to one embodiment of the present invention, this protocol module can comprise:
Certification sending module, for sending authentication message to described vehicle mounted guidance terminal;
Module is checked in certification, for receiving checking message that described vehicle mounted guidance terminal produces according to described authentication message and carrying out authentication according to described checking message to described vehicle mounted guidance terminal.
Below be only an example of the mobile terminal of embodiment of the present invention; mobile terminal of the present invention is not limited thereto; under the prerequisite not departing from protection scope of the present invention; the modules of described mobile terminal can carry out combining or merging in every way, and after merging, module is unified realizes the modules function separately before merging.
Fig. 5 shows the structural representation of the vehicle mounted guidance terminal in the system shown in Fig. 3, and see Fig. 5, this vehicle mounted guidance terminal 200 comprises:
Search and link block 210, for searching for the mobile access point for transmitting offline map datum, set up radio link channel according to the described mobile access point that searches and mobile terminal.
Wherein, described mobile access point can be Wi-Fi Hotspot, Bluetooth address or infrared signal, take mobile access point as Wi-Fi Hotspot be example, according to one embodiment of the present invention, search and link block 210 can be Wi-Fi administration module, be responsible for automatic search and the connection of Wi-Fi Hotspot, the condition managing that Wi-Fi connects.
Receive and update module 220, radio link channel for being set up by described search and link block 210 receives the diagram data off-line that described mobile terminal sends, according to the map datum of described this vehicle mounted guidance terminal of off-line map data update received.
Wherein, according to one embodiment of the present invention, reception and update module 220 can comprise UI module, are responsible for state and the data reception module of display data syn-chronization, the reception of charge map data and merging.
Simultaneously, for improving the security of off-line Map, this vehicle mounted guidance terminal can also comprise protocol module, is responsible for the transmission communication of the shaking hands of link both sides, software version information and data configuration file, according to one embodiment of the present invention, this protocol module can comprise:
Certification receiver module, for receiving the authentication message that described mobile terminal sends;
Certification feedback module, the described authentication message for receiving according to described certification receiver module produces checking message, and gives described mobile terminal, so that described mobile terminal carries out authentication to described vehicle mounted guidance terminal by described checking message feedback.
Below be only an example of the vehicle mounted guidance terminal of embodiment of the present invention; vehicle mounted guidance terminal of the present invention is not limited thereto; under the prerequisite not departing from protection scope of the present invention; the modules of described vehicle mounted guidance terminal can carry out combining or merging in every way, and after merging, module is unified realizes the modules function separately before merging.
The entire flow upgrading vehicle mounted guidance diagram data is off-line described below in conjunction with mobile terminal and vehicle mounted guidance terminal:
Mobile terminal creates mobile access point;
Vehicle mounted guidance terminal searches for the mobile access point that described mobile terminal creates, and the described mobile access point that is certainly dynamically connected, thus set up radio link channel with described mobile terminal;
Described mobile terminal sends diagram data off-line by described radio link channel to described vehicle mounted guidance terminal;
Diagram data off-line described in described vehicle mounted guidance terminal receives, and according to the map datum of described this vehicle mounted guidance terminal of off-line map data update.
Implement the method for the vehicle-mounted diagram data off-line of renewal provided by the invention, equipment and system can intelligence and upgrade vehicle-mounted diagram data off-line easily, and does not produce any network rate.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode of software combined with hardware platform, can certainly all be implemented by hardware.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, smart mobile phone or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
The term used in instructions of the present invention and wording, just to illustrating, are not meaned and are formed restriction.It will be appreciated by those skilled in the art that under the prerequisite of the ultimate principle not departing from disclosed embodiment, can various change be carried out to each details in above-mentioned embodiment.Therefore, scope of the present invention is only determined by claim, and in the claims, except as otherwise noted, all terms should be understood by the most wide in range rational meaning.

Claims (15)

1. upgrade a method for vehicle-mounted diagram data off-line, it is characterized in that, described method comprises:
Mobile terminal creates mobile access point;
Described mobile terminal sets up radio link channel by the mobile access point of described establishment and vehicle mounted guidance terminal;
Described mobile terminal sends diagram data off-line by described radio link channel to described vehicle mounted guidance terminal, so that described vehicle mounted guidance terminal is according to the map datum of described this vehicle mounted guidance terminal of off-line map data update.
2. the method for claim 1, is characterized in that, described method also comprises:
Diagram data off-line described in described mobile terminal obtains from the webserver.
3. method as claimed in claim 1 or 2, it is characterized in that, described method also comprises:
Before the described transmission of execution off-line diagram data, described mobile terminal sends authentication message to described vehicle mounted guidance terminal;
Described mobile terminal receives checking message that described vehicle mounted guidance terminal produces according to described authentication message and carries out authentication according to described checking message to described vehicle mounted guidance terminal.
4. method as claimed in claim 1 or 2, it is characterized in that, described mobile access point comprises: adopting wireless fidelity technology Wi-Fi Hotspot, Bluetooth address, infrared signal.
5. upgrade a method for vehicle-mounted diagram data off-line, it is characterized in that, described method comprises:
Vehicle mounted guidance terminal search is used for the mobile access point of transmitting offline map datum,
Radio link channel is set up according to the described mobile access point that searches and mobile terminal;
Described vehicle mounted guidance terminal receives the diagram data off-line of described mobile terminal transmission by described radio link channel,
According to the map datum of described this vehicle mounted guidance terminal of off-line map data update received.
6. method as claimed in claim 5, it is characterized in that, described method also comprises:
Described vehicle mounted guidance terminal receives the authentication message that described mobile terminal sends;
Described vehicle mounted guidance terminal produces checking message according to described authentication message, and gives described mobile terminal, so that described mobile terminal carries out authentication to described vehicle mounted guidance terminal by described checking message feedback.
7. the method as described in claim 5 or 6, is characterized in that, described mobile access point comprises: Wi-Fi Hotspot, Bluetooth address, infrared signal.
8. a mobile terminal, is characterized in that, described mobile terminal comprises:
Creation module, for creating mobile access point;
Link block, sets up radio link channel for the described mobile access point that created by described creation module and vehicle mounted guidance terminal;
Sending module, sends diagram data off-line for the described radio link channel set up by described link block to described vehicle mounted guidance terminal, so that described vehicle mounted guidance terminal is according to the map datum of described this vehicle mounted guidance terminal of off-line map data update.
9. mobile terminal as claimed in claim 8, it is characterized in that, described mobile terminal also comprises:
Acquisition module, for diagram data off-line described in obtaining from the webserver.
10. mobile terminal as claimed in claim 8 or 9, it is characterized in that, described mobile terminal also comprises:
Certification sending module, for sending authentication message to described vehicle mounted guidance terminal;
Module is checked in certification, for receiving checking message that described vehicle mounted guidance terminal produces according to described authentication message and carrying out authentication according to described checking message to described vehicle mounted guidance terminal.
11. mobile terminals as claimed in claim 8 or 9, it is characterized in that, described mobile access point comprises: Wi-Fi Hotspot, Bluetooth address, infrared signal.
12. 1 kinds of vehicle mounted guidance terminals, is characterized in that, described vehicle mounted guidance terminal comprises:
Search and link block, for searching for the mobile access point for transmitting offline map datum, set up radio link channel according to the described mobile access point that searches and mobile terminal;
Receive and update module, the radio link channel for being set up by described search and link block receives the diagram data off-line that described mobile terminal sends, according to the map datum of described this vehicle mounted guidance terminal of off-line map data update received.
13. vehicle mounted guidance terminals as claimed in claim 12, it is characterized in that, described vehicle mounted guidance terminal also comprises:
Certification receiver module, for receiving the authentication message that described mobile terminal sends;
Certification feedback module, the described authentication message for receiving according to described certification receiver module produces checking message, and gives described mobile terminal, so that described mobile terminal carries out authentication to described vehicle mounted guidance terminal by described checking message feedback.
14. vehicle mounted guidance terminals as described in claim 12 or 13, it is characterized in that, described mobile access point comprises: Wi-Fi Hotspot, Bluetooth address, infrared signal.
The system of 15. 1 kinds of vehicle-mounted diagram datas off-line of renewal, it is characterized in that, described system comprises:
Mobile terminal according to any one of claim 8 ~ 11, and, the vehicle mounted guidance terminal according to any one of claim 12 ~ 14.
CN201410720617.0A 2014-12-02 2014-12-02 Method, equipment and system for updating vehicle-mounted offline map data Pending CN104406600A (en)

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CN106027808A (en) * 2016-07-28 2016-10-12 上海博泰悦臻电子设备制造有限公司 Car machine, intelligent mobile terminal, and corresponding connection control method and system
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Application publication date: 20150311