WO2013170812A1 - 媒体数据流的传输方法和瘦终端 - Google Patents
媒体数据流的传输方法和瘦终端 Download PDFInfo
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- WO2013170812A1 WO2013170812A1 PCT/CN2013/078684 CN2013078684W WO2013170812A1 WO 2013170812 A1 WO2013170812 A1 WO 2013170812A1 CN 2013078684 W CN2013078684 W CN 2013078684W WO 2013170812 A1 WO2013170812 A1 WO 2013170812A1
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- WIPO (PCT)
- Prior art keywords
- media
- thin terminal
- module
- thin
- client
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 230000004044 response Effects 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims 1
- 230000003993 interaction Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/04—Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
Definitions
- the present invention relates to the field of communications, and in particular to a method for transmitting a media data stream and a thin terminal. Background technique
- VoIP Voice over Internet Protocol
- IM instant messaging
- the cloud platform provides new vitality to various services, while enhancing business performance, reducing service provisioning costs, and reducing terminal requirements.
- the VoIP service media stream and signaling flow in the cloud platform environment mainly include: User A accesses the IM client1 (instant messaging client 1) software running in the virtual desktop through the thin terminal Thin Clientl.
- the user's operation of the peripherals on the thin terminal is transferred to the IM software in the virtual desktop through the virtual desktop transfer protocol, such as a keyboard, a mouse, a microphone, a camera, etc., and a virtual desktop transfer protocol such as an independent computing architecture (Independent Computing Architecture, referred to as ICA) protocol, PCoIP (PC-over-IP), Simple Computing for Independent Computing Environment (SPICE), and Remote Desktop Protocol (RDP).
- ICA Independent Computing Architecture
- PCoIP PC-over-IP
- SPICE Simple Computing for Independent Computing Environment
- RDP Remote Desktop Protocol
- the local data collected by the headset/camera is also transmitted by the Thin Clientl to the IM client in the virtual desktop through the virtual desktop transmission protocol, and receives the audio and video media stream transmitted from the peer end.
- the media stream is transmitted from the calling side to the called user side, including the following steps: Step S102: The audio and video media stream is sent from the Thin Client1 end (thin terminal 1) on the calling side to the virtual desktop 1, and the virtual desktop 1 forwards the media stream to the IM Client1 (IM client 1).
- Step S104 The IM Client1 forwards the media stream to the IM Client2 (IM client 2) of the called party, and the IM Client2 forwards the media stream to the virtual desktop 2 on the called side.
- Step S106 The virtual desktop 2 forwards the media stream to the Thin Client 2 end (thin terminal 2).
- IMS IP multimedia subsystem
- the amount of media data stream to be transmitted is particularly large, and the problem of delay is more obvious; too much forwarding is easy to cause data. Distortion.
- the calling party can make a call.
- the media stream passes the above multiple forwarding, which not only occupies the network bandwidth, but also causes the network delay, and also causes the tone due to multiple forwarding and encoding and decoding processes. The distortion of the video.
- the embodiment of the present invention provides a method for transmitting a media data stream and a thin terminal, so as to at least solve the problem that the media data in the prior art needs to be transmitted between the thin client and the virtual desktop by using a protocol such as RDP to implement two thin terminals.
- a protocol such as RDP
- a method for transmitting a media data stream including: a first thin terminal and a second thin terminal establish a media channel, where the first thin terminal is preset with a first media module a second media module is preset in the second thin terminal; the first media module preset in the first thin terminal and the second media module preset in the second thin terminal are used to perform media through the media channel.
- the transmission of data streams including: a first thin terminal and a second thin terminal establish a media channel, where the first thin terminal is preset with a first media module a second media module is preset in the second thin terminal; the first media module preset in the first thin terminal and the second media module preset in the second thin terminal are used to perform media through the media channel.
- the method further includes: the first thin terminal is connected to the first instant messaging client IM Client corresponding to the first thin terminal to the second thin The terminal initiates a call request; the first thin terminal receives the second The second IM client corresponding to the thin terminal responds to the IP address and the port number of the second media module returned by the call request, where the IP address and the port number of the second media module are used for the first thin terminal and the second The thin terminal establishes the above media channel.
- the foregoing call request carries an IP address and a port number of the first media module.
- the first thin terminal initiates a call request to the second thin terminal by using the first IM client corresponding to the first thin terminal, where: the first thin terminal performs authentication pairing with the first IM client; After the first thin terminal, the first thin terminal initiates a call request to the second thin terminal by using the first IM client corresponding to the first thin terminal.
- the method includes: the first thin terminal establishes a TCP link with the first IM client, where the TCP link is used for the foregoing An IM client sends the IP address and port number of the second media module to the first thin terminal.
- the transmitting, by the first media module preset in the first thin terminal, and the second media module preset in the second thin terminal, the media data stream by using the media channel includes: the first media module pair The collected audio and video content of the local end is encoded; the first media module uses the encoded audio and video content as the media data stream; and the first media module directly transmits the media data stream to the second media by using the media channel.
- a thin terminal including: an establishing module configured to establish a media channel with another thin terminal; and a media module configured to pass the media module in the other thin terminal by using the foregoing
- the media channel carries the transmission of the media data stream.
- the thin terminal further includes: a calling module, configured to initiate a call request to the another thin terminal by using the first IM Client corresponding to the thin terminal before establishing the media channel with the another thin terminal; , configured to receive the corresponding one of the other thin terminals
- the IP address and port number of the media module in the other thin terminal returned by the IM client in response to the above call request, wherein the IP address and port number of the media module in the other thin terminal are used to be thinner than the other thinner
- the terminal establishes the above media channel.
- the call module includes: an authentication unit configured to perform authentication pairing with the first IM Client; and a call unit configured to initiate a call request to the another thin terminal by using the first IM Client after the authentication pair is passed.
- the media module includes: an encoding unit configured to encode the collected audio and video content of the local end; a generating unit configured to use the encoded audio and video content as the media data stream; and a transmission unit configured to pass the foregoing
- the media channel directly transmits the media data stream to the media module in the other thin terminal, wherein the media module in the other thin terminal decodes the received media data stream to recover the audio and video content.
- the media module is preset in the thin terminal, so that the media channel for transmitting the media data stream is directly established between the first thin terminal and the second thin terminal, and the transmission of the media stream data is not required.
- the data After being forwarded through the cloud desktop or the like, the data can be directly transmitted between the thin terminals.
- the media data in the prior art needs to be transmitted between the thin client and the virtual desktop by using a protocol such as RDP.
- the technical problems of network delay and data distortion caused by the interaction of data between thin terminals achieve the technical effect of improving the rate of data transmission and the accuracy of data.
- 1 is a flow chart of transmission of a media data stream according to the related art
- FIG. 2 is a preferred flowchart of a method for transmitting a media data stream according to an embodiment of the present invention
- FIG. 3 is another preferred flowchart of a method for transmitting a media data stream according to an embodiment of the present invention
- FIG. 4 is a block diagram showing a preferred structure of a thin terminal according to an embodiment of the present invention.
- FIG. 5 is a block diagram showing another preferred structure of a thin terminal according to an embodiment of the present invention
- FIG. 6 is a block diagram showing a preferred structure of a call module in a thin terminal according to an embodiment of the present invention
- FIG. 7 is a block diagram showing a preferred structure of a media module in a thin terminal according to an embodiment of the present invention
- Schematic diagram of the system architecture of the VoIP service of the embodiment
- FIG 9 is an interaction diagram of media data stream transmission in accordance with an embodiment of the present invention. detailed description
- An embodiment of the present invention provides a method for transmitting a preferred media data stream. As shown in FIG. 2, the method includes the following steps:
- Step S202 The first thin terminal and the second thin terminal establish a media channel, where a first media module is preset in the first thin terminal, and a second media module is preset in the second thin terminal;
- Step S204 The first media module preset in the first thin terminal and the second media module preset in the second thin terminal transmit the media data stream through the media channel.
- the media module is preset in the thin terminal, so that the media channel for transmitting the media data stream can be directly established between the first thin terminal and the second thin terminal, and the transmission of the media stream data is not required.
- the data After being forwarded through the cloud desktop or the like, the data can be directly transmitted between the thin terminals.
- the media data in the prior art needs to be transmitted between the thin client and the virtual desktop by using a protocol such as RDP.
- the technical problems of network delay and data distortion caused by the interaction of data between thin terminals achieve the technical effect of improving the rate of data transmission and the accuracy of data.
- the process of establishing a call is further included.
- the process may include: the first thin terminal passes the first corresponding to the first thin terminal.
- An IM client initiates a call request to the second thin terminal; the first thin terminal receives the second thin terminal pair
- the second IM client responds to the IP address and the port number of the second media module returned by the call request, wherein the IP address and the port number of the second media module are used by the first thin terminal to establish a media channel with the second thin terminal.
- the first thin terminal initiates a call request through the first IM Client, and then obtains the IP address and port number of the media module in the second thin terminal, and after obtaining the corresponding IP address and port number, the first IP address can be obtained according to the obtained IP address. Establish a media channel with the port number.
- the IP address and the port number of the media module in the first thin terminal are also required for the second thin terminal.
- the first thin terminal may carry the IP address and port number of the first media module in the call request to notify The IP address and port number of the first thin terminal of the second thin terminal. It is worth noting that although the above description describes the IP address and port number of the media module, it corresponds to the IP address and port number of the terminal itself.
- the first thin terminal initiates a call request to the second thin terminal by using the first IM client corresponding to the first thin terminal, where: the first thin terminal performs authentication pairing with the first IM client; Afterwards, the first thin terminal initiates a call request to the second thin terminal by using the first IM Client corresponding to the first thin terminal.
- the thin terminal can be used.
- a Transmission Control Protocol (TCP) channel is used to transmit an IP address and a port number.
- the method may further include: the first thin terminal establishes a TCP link with the first IM client, where the TCP link is used for An IM client sends the IP address and port number of the second media module to the first thin terminal.
- the media module is preset in the thin terminal, therefore, the media The interaction of the body stream is also directly performed between the media modules.
- the first media module preset in the first thin terminal and the first preset in the second thin terminal The steps of the second media module for transmitting the media data stream through the media channel include:
- Step S302 The first media module encodes the collected audio and video content of the local end.
- Step S304 The first media module uses the encoded audio and video content as the media data stream.
- Step S306 The first media module mediaizes the media channel. The data stream is directly transmitted to the second media module, where the second media module performs decoding processing on the received media data stream to recover the audio and video content.
- a thin terminal is also provided in this embodiment, and the device is used to implement the foregoing embodiments and preferred embodiments.
- the term "unit” or “module” may implement a combination of software and/or hardware for a predetermined function.
- the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and conceivable.
- 4 is a block diagram of a preferred structure of a thin terminal according to an embodiment of the present invention. As shown in FIG. 4, the method includes: an establishing module 402 and a media module 404. The structure will be described below.
- the establishing module 402 is configured to establish a media channel with another thin terminal
- the media module 404 is configured to transmit the media data stream through the media channel with the media module in the other thin terminal.
- the foregoing thin terminal further includes:
- the calling module 502 is configured to initiate a call request to another thin terminal by using a first IM Client corresponding to the thin terminal before establishing a media channel with another thin terminal;
- the receiving module 504 is configured to receive an IP address and a port number of the media module in another thin terminal returned by the second IM client corresponding to the other thin terminal in response to the call request, where the IP of the media module in the other thin terminal The address and port number are used to establish a media channel with another thin terminal.
- the foregoing call module includes: an authentication unit 602, configured to perform authentication pairing with the first IM client, and the calling unit 604 is configured to initiate a call request to another thin terminal by using the first IM Client after the authentication pairing is passed.
- the media module includes: an encoding unit 702 configured to encode the collected audio and video content of the local end; and a generating unit 704 configured to use the encoded audio and video content as
- the media data stream is configured to transmit the media data stream directly to the media module in another thin terminal through the media channel, where the media module in the other thin terminal decodes the received media data stream to Restore the inner valley of the audio and video.
- the present invention provides a new method for transmitting media data streams according to the disadvantages of occupying network bandwidth and aggravating network delays in the process of audio and video media streaming in the cloud desktop in the related art.
- the core idea of the solution is The media and control are separated to optimize the system architecture of current VoIP terminals to maximize the problem of removing latency and distortion.
- the embodiment of the present invention makes an architectural adjustment to the existing IM application, and the main adjustments are as follows:
- the IM Client application deployed on the virtual desktop is only responsible for signaling control during the call;
- the IM Client in the cloud desktop is responsible for call control, and the media stream directly interacts between the thin terminals, and is no longer transmitted between the Thin Client and the virtual desktop via a virtual desktop transfer protocol (such as ICA, PCoIP, SPICE, RDP, etc.).
- a virtual desktop transfer protocol such as ICA, PCoIP, SPICE, RDP, etc.
- the system involved in this embodiment mainly includes: Thin Client1, Thin Client2, Media Module1, Media Module2, and Virtual Desktop1. , Virtual Desktop 2, IM Client 1 (IM Client 1), IM Client2 (IM Client 2), IMS Core Network, and Service Server (IM Server).
- IM Client 1 IM Client 1
- IM Client2 IM Client 2
- IMS Core Network IMS Core Network
- IM Server Service Server
- the embodiment of the present invention includes two processes: a) pairing between Thin Client and IM Client; b) modification of the call process; the following two processes are specifically described.
- the pairing process mainly includes the following steps:
- the media module 1 registers the local information on the IM server, wherein the local information includes: a user account, an address IP1, a port Portl, and a tag ThinTag. At the same time, the thin terminal 1 turns on TCP listening on the local port.
- the IM client1 queries the IM server to query whether the user uses the thin terminal to access the cloud desktop and the related information of the current thin terminal.
- the related information is mainly the local information reported by the thin terminal. .
- ThinClient2 MediaModule2
- IM Client2 Used by User B also complete the above pairing and establish a TCP connection.
- the transformation of the call process mainly includes:
- IM Clientl and IM Client2 complete the signaling interaction, and establish a media channel between ThinClientl (MediaModulel) and ThinClient2 (MediaModule2) to make a call.
- the IM client in the cloud desktop is responsible for call control, and the media stream directly interacts on the thin terminal, and is no longer transmitted between the Thin Client and the virtual desktop via the virtual desktop transmission protocol, thereby effectively avoiding the RDP transmission. Delay, distortion, and bandwidth consumption issues.
- Figure 9 is a complete interaction diagram of the preferred embodiment for media streaming.
- the process of pairing the thin terminal and the IM client includes:
- Steps S1-S2 User A pairs the thin terminal After the Thin Clientl is powered on, the media module 1 to IM
- the server registers local information (user account, address IP1, port Portl, and tag ThinTag, etc.), and enables TCP snooping on the local port.
- Step S3 When the user A accesses the IM Client1 in the virtual desktop through the thin terminal, the IM Client1 queries the IM server to query whether the user uses the thin terminal to access the cloud desktop and the current thin terminal information (IP, Port, ThinTag).
- IP Port, ThinTag
- Step S4 After the ThinClientl (MediaModulel) and the IM Client1 are successfully paired, a TCP link is established, and the link is used to deliver the negotiated media address and port number of the peer in the call negotiation process.
- Steps S5-S8 Based on the same mechanism as steps S1-S4 above, ThinClient2 (MediaModule2) and IM Client2 used by User B are also configured.
- the modified call process includes:
- Step S9 When the user A operates the IM Client1 to initiate a call, the IP address and port of the ThinClient1 are carried in the call request (Invite).
- Step S10 When the call request arrives at the IM Client2, the 180Ring response returned by the IM Client2 carries the media information (IP, Port) of the ThinClient2.
- IM Client After user B hears the ringing and starts to pick up or pick up the phone, IM Client passes the media information of the peer end to the paired successful thin terminal. After the media module on the thin terminal knows the media information of the opposite end of the call, the media channel is established, so that the two parties complete the establishment of the media link of the call. The media module on the thin terminal is responsible for collecting the local audio and video and transmitting it to the other party, and receiving the audio and video media stream of the other party, and also original sound and video.
- the new processing mechanism of the IM software audio and video call in the complete virtual cloud desktop adopts the media and control separate communication mode, and the call control end is still the IM client in the cloud desktop, but the media information (ie, the upper The media data stream of the text interacts directly on the thin terminal on the user side, thereby effectively avoiding the drawbacks of network delay and media distortion caused by the media flowing through the virtual cloud desktop.
- it is also easy to implement in architecture Only one media module is deployed on the thin terminal, and no addition or deletion of system hardware is involved.
- messages with a small amount of data such as instant messaging, file transfer, address book, chat room, etc. can continue to be processed in the current manner, that is, through the IM Client in the cloud desktop.
- a software is also provided for performing the technical solutions described in the above embodiments and preferred embodiments.
- a storage medium is also provided, the software being stored, including but not limited to: an optical disk, a floppy disk, a hard disk, a rewritable memory, and the like.
- a media module is preset in the thin terminal, so that a media data stream is directly established between the first thin terminal and the second thin terminal.
- the media channel can be transmitted, and the transmission of the media stream data does not need to be forwarded through the cloud desktop or the like, and can be directly transmitted between the thin terminals.
- modules or steps of the embodiments of the present invention can be implemented by a general computing device, which can be concentrated on a single computing device or distributed in multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from The steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module. Thus, embodiments of the invention are not limited to any particular combination of hardware and software.
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US14/412,826 US9686334B2 (en) | 2012-09-05 | 2013-07-02 | Transmission method for media data stream and thin client |
EP13790066.8A EP2863591A4 (en) | 2012-09-05 | 2013-07-02 | TRANSMISSION PROCEDURE FOR MEDIA DATA TRANSMS AND THIN CLIENT THEREFOR |
AU2013262210A AU2013262210B2 (en) | 2012-09-05 | 2013-07-02 | Transmission method for media data stream and thin client |
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CN201210325236.3A CN103684970B (zh) | 2012-09-05 | 2012-09-05 | 媒体数据流的传输方法和瘦终端 |
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CN105208406A (zh) * | 2014-06-11 | 2015-12-30 | 中兴通讯股份有限公司 | 视频数据提供方法、视频播放方法、装置及系统 |
CN106027679B (zh) * | 2016-07-15 | 2019-05-24 | 中兴通讯股份有限公司 | 视频会议的实现方法、装置及系统、云桌面终端 |
CN108401258B (zh) * | 2017-02-04 | 2022-11-01 | 中兴通讯股份有限公司 | 网络优化方法及装置 |
US11122149B2 (en) | 2018-11-30 | 2021-09-14 | Microsoft Technology Licensing, Llc | Screen sharing via a thin client application |
CN112672094B (zh) * | 2020-12-23 | 2023-02-17 | 迈普通信技术股份有限公司 | 一种云桌面会议共享方法、装置、电子设备及存储介质 |
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- 2013-07-02 US US14/412,826 patent/US9686334B2/en active Active
- 2013-07-02 WO PCT/CN2013/078684 patent/WO2013170812A1/zh active Application Filing
- 2013-07-02 EP EP13790066.8A patent/EP2863591A4/en not_active Withdrawn
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CN103684970B (zh) | 2018-04-27 |
AU2013262210A1 (en) | 2015-01-29 |
US20150195318A1 (en) | 2015-07-09 |
EP2863591A4 (en) | 2015-07-22 |
AU2013262210B2 (en) | 2016-02-18 |
EP2863591A1 (en) | 2015-04-22 |
US9686334B2 (en) | 2017-06-20 |
CN103684970A (zh) | 2014-03-26 |
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