CN103095939B - Conference voice control method and system - Google Patents
Conference voice control method and system Download PDFInfo
- Publication number
- CN103095939B CN103095939B CN201110350439.3A CN201110350439A CN103095939B CN 103095939 B CN103095939 B CN 103095939B CN 201110350439 A CN201110350439 A CN 201110350439A CN 103095939 B CN103095939 B CN 103095939B
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- Prior art keywords
- conference
- party conference
- party
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- speech datas
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Classifications
-
- 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
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1822—Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
-
- 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
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1827—Network arrangements for conference optimisation or adaptation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- General Engineering & Computer Science (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of conference voice control method and system, and the method includes：When determining to realize Multi-Party Conference for user according to the calling of user, for the Multi-Party Conference sets up Multi-Party Conference session；To be linked into the Multi-Party Conference session of foundation for the calling of the Multi-Party Conference；For each conference member in the Multi-Party Conference session, perform respectively：Receive the RTP speech datas of conference member transmission；The RTP speech datas that will be received are sent respectively to other each conference members of the Multi-Party Conference session.The present invention is solved because the process resource of media server is limited, therefore the conference member number of Multi-Party Conference is conditional, cannot often meet the problem of the demand of enterprise-level super large meeting.
Description
Technical field
The present invention relates to Multi-Party Conference technical field, more particularly to a kind of conference voice control method and system.
Background technology
Next Generation Call Center (NGCC, Next Generation Call Center) is also called Customer Service Center, is
It is a kind of based on computer communication integrated technology, make full use of the multiple function of communication network and computer network integrated, and with enterprise
The integrated information service system that industry is connected as a single entity, is to be concentrated to carry out the special of Traffic handling by the business agent of seat or company
System.NGCC can provide a user with the multiple business such as phone, fax, Email, be mainly used to treatment user and enterprise is proposed
Requirement, complaint, suggestion and consulting etc..
At present, call center can realize the function of Multi-Party Conference, especially for very useful for enterprise-class tools.
But the Multi-Party Conference function of current call center is essentially all to be realized by special media server, media clothes
Business device realizes Multi-Party Conference by carrying out the call of point-to-multipoint, and this is accomplished by taking the more treatment money of media server
Source, and the process resource of media server is limited, therefore the conference member number of Multi-Party Conference is conditional, cannot often be met
The demand of enterprise-level super large meeting.
The content of the invention
The present invention provides a kind of conference voice control method and system, is used to solve in the prior art due to media server
Process resource it is limited, therefore the conference member number of Multi-Party Conference is conditional, cannot often meet enterprise-level super large meeting
Demand problem.
Technical solution of the present invention is as follows：
A kind of conference voice control method, including：When determining to realize Multi-Party Conference for user according to the calling of user,
For the Multi-Party Conference sets up Multi-Party Conference session；The Multi-Party Conference session of foundation will be linked into for the calling of the Multi-Party Conference
In；For each conference member in the Multi-Party Conference session, perform respectively：Receive the real-time transmission of conference member transmission
Protocol RTP Voice data；The RTP speech datas that will be received be sent respectively to other each meetings of the Multi-Party Conference session into
Member.
A kind of conference voice control system, including：The automatic Call Control Block of user, for being determined according to the calling of user
Whether Multi-Party Conference is realized for user；Conference management module, for determining use to be in the automatic Call Control Block of user
When Multi-Party Conference is realized at family, for the Multi-Party Conference sets up Multi-Party Conference session, and will be linked into for the calling of the Multi-Party Conference
In the Multi-Party Conference session of foundation；Session initiation protocol virtual terminal module, for every in for the Multi-Party Conference session
Individual conference member, receives the real time transport protocol RTP speech datas of conference member transmission, and the RTP languages that will be received respectively
Sound data are sent respectively to other each conference members of the Multi-Party Conference session.
In embodiment of the present invention technical scheme, when determining to realize Multi-Party Conference for user according to the calling of user, it is
The Multi-Party Conference sets up Multi-Party Conference session, then the Multi-Party Conference session of foundation will be linked into for the calling of the Multi-Party Conference
In, for each conference member in the Multi-Party Conference session, the RTP speech datas of conference member transmission are received respectively,
And the RTP speech datas that will be received are sent respectively to other each conference members of the Multi-Party Conference session.Due to using this hair
When bright embodiment technical scheme realizes Multi-Party Conference, the Multi-Party Conference calling between each conference member of Multi-Party Conference is entirely point
Calling to putting, therefore will not be using the resource of media server, so as to solve because the process resource of media server is limited
The restricted problem of conference member number of Multi-Party Conference is caused, therefore, it is possible to meet the demand of enterprise-level super large meeting.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes a part of the invention, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 be the embodiment of the present invention in, conference voice control method schematic flow sheet；
Fig. 2 be the embodiment of the present invention in, realize the network architecture schematic diagram of Multi-Party Conference；
Fig. 3 be the embodiment of the present invention in, conference voice control system architecture schematic diagram.
Specific embodiment
With reference to each accompanying drawing to the main realization principle of embodiment of the present invention technical scheme, specific embodiment and its
Beneficial effect to that should be able to reach is set forth in.
As shown in figure 1, in the embodiment of the present invention, conference voice control method schematic flow sheet, its specific handling process
It is as follows：
Step 11, when determining to realize Multi-Party Conference for user according to the calling of user, for the Multi-Party Conference sets up many
Square conference session；
Wherein, when the Multi-Party Conference for receiving user is called, if carrying Multi-Party Conference in Multi-Party Conference calling
Access code, then determine to realize Multi-Party Conference for user according to the Multi-Party Conference access code.
Step 12, will be linked into the Multi-Party Conference session of foundation for the calling of the Multi-Party Conference；
Step 13, for each conference member in the Multi-Party Conference session, receives conference member transmission respectively
Real time transport protocol (RTP, Real-time Transport Protocol) speech data；
Step 14, the RTP speech datas that will be received are sent respectively to other each conference members of the Multi-Party Conference session.
Want to realize Multi-Party Conference, it is necessary to which the RTP speech datas of each conference member of Multi-Party Conference are passed into other
Conference member, the embodiment of the present invention proposes that each conference member that can be in for the Multi-Party Conference session is received respectively
Before the RTP speech datas that the conference member sends, first for the Multi-Party Conference sets up session initiation protocol (SIP, Session
Initiation Protocol) virtual terminal, then the SIP virtual terminals set up are linked into the described multi-party meeting of foundation
In parliament's words, subsequently by the SIP virtual terminals for each conference member in the Multi-Party Conference session, receiving respectively should
The RTP speech datas that conference member sends, and the RTP speech datas that will be received are sent respectively to its of the Multi-Party Conference session
His each conference member.
Additionally, in Multi-Party Conference, typically all being made a speech by meeting presider, if someone asks a question, may at most deposit
Made a speech simultaneously in 2 to 3 people, in order to reduce the transmission of unnecessary RTP speech datas, the embodiment of the present invention is proposed, existed in advance
In each conference member of Multi-Party Conference, meeting presider is set, the meeting presider is specific conference member, will received
To RTP speech datas be sent respectively to other each conference members of the Multi-Party Conference session before, first obtain currently transmitted RTP
In the conference member of speech data, then the quantity of each conference member in addition to specific conference member judge the number for obtaining
Whether amount is more than default defined threshold, if judged result is no, performs the RTP speech datas that will be received and is sent respectively to
The operation of other each conference members of the Multi-Party Conference session, if the determination result is YES, does not then perform the RTP voices that will be received
Data are sent respectively to the operation of other each conference members of the Multi-Party Conference session, unnecessary so as to efficiently avoid
The transmission of RTP speech datas, saves process resource.
From above-mentioned processing procedure, in embodiment of the present invention technical scheme, when according to the calling of user determine to be use
When Multi-Party Conference is realized at family, for the Multi-Party Conference sets up Multi-Party Conference session, then will be accessed for the calling of the Multi-Party Conference
To set up Multi-Party Conference session in, for each conference member in the Multi-Party Conference session, receive respectively the meeting into
The RTP speech datas that member sends, and the RTP speech datas that will be received are sent respectively to other each meetings of the Multi-Party Conference session
View member.It is many between each conference member of Multi-Party Conference during due to realizing Multi-Party Conference using embodiment of the present invention technical scheme
Square Conference Calling is entirely point-to-point calling, therefore will not be using the resource of media server, so as to solve because of media
The process resource of server is limited to cause the restricted problem of conference member number of Multi-Party Conference, surpasses therefore, it is possible to meet enterprise-level
The demand of Great Council.
It is corresponding with above-mentioned conference voice control system, a kind of conference voice control system of embodiment of the present invention proposition (CACS,
Conference Audio Control System), the CACS systems are superimposed upon on NGCC, and Multi-Party Conference is no longer taken by media
It is engaged in device to realize, but is realized by the CACS systems.The network architecture such as Fig. 2 institutes of Multi-Party Conference are realized by CACS systems
Show, CACS systems are connected with NGCC and IN intelligent net systems, the calling for carrying out the conference member of Multi-Party Conference passes through IN intelligent networks
System access in CACS systems, by CACS systems for each conference member completes the Multi-Party Conference.
Wherein, NGCC the and IN intelligent net systems in the embodiment of the present invention are existing equipment, its structure and treatment
Handling process during business is consistent with prior art, repeats no more here.
As shown in figure 3, in the embodiment of the present invention, the structural representation of CACS systems, including the automatic Call- Control1 of user
Module (UACM, User Automatic Call Control System Modular) 31, conference management module (CMM,
Conference Manage Modular) 32, session initiation protocol virtual terminal module (SVTM, Session Initiation
Protocol Virtual Terminal Modular) 33, wherein：
UACM modules 31, for being determined whether to realize Multi-Party Conference for user according to the calling of user；
CMM modules 32, for UACM modules 31 determine to realize Multi-Party Conference for user when, for the Multi-Party Conference is built
Vertical Multi-Party Conference session, and will be linked into the Multi-Party Conference session of foundation for the calling of the Multi-Party Conference；
SVTM modules 33, for for each conference member in the Multi-Party Conference session, receive respectively the meeting into
The RTP speech datas that member sends, and the RTP speech datas that will be received are sent respectively to other each meetings of the Multi-Party Conference session
View member.
It is preferred that UACM modules 31, the Multi-Party Conference calling specifically for receiving user, take in the Multi-Party Conference calling
With Multi-Party Conference access code, according to the Multi-Party Conference access code carried in the Multi-Party Conference calling for receiving, it is determined that to be use
Realize Multi-Party Conference in family.
It is preferred that SVTM modules 33, specifically for each conference member in for the Multi-Party Conference session, difference
Before receiving the RTP speech datas of conference member transmission, it is that the Multi-Party Conference sets up SIP virtual terminals, and will sets up
The SIP virtual terminals are linked into the Multi-Party Conference session of foundation.
More preferably, SVTM modules 33, specifically for for each conference member in the Multi-Party Conference session, respectively by
The SIP virtual terminals set up receive the RTP speech datas of conference member transmission, and the RTP voice numbers that will be received
According to other each conference members for being sent respectively to the Multi-Party Conference session.
It is preferred that CMM modules 32, the RTP speech datas for being additionally operable to be received in SVTM modules 33 are sent respectively to this
Before other each conference members of Multi-Party Conference session, in the conference member of the currently transmitted RTP speech datas of acquisition, except specific
The quantity of each conference member outside conference member, and confirm that the quantity for obtaining is not more than default defined threshold.
In the embodiment of the present invention, the Multi-Party Conference calling of user is linked into UASM modules 31 by IN intelligent net systems, should
The access code of Multi-Party Conference is carried in Multi-Party Conference calling, the access code that UASM modules 31 analyze the calling is Multi-Party Conference
Access code, then directly go to CMM modules 32 by Multi-Party Conference calling, and the Multi-Party Conference for being responsible for the user by CMM modules 32 is exhaled
The access and the management of calling cried.
Wherein, CMM modules 32 create a Multi-Party Conference session first, then by all callings for the Multi-Party Conference
All it is linked into the Multi-Party Conference session, while calling SVTM modules 33, SVTM modules 33 are that the Multi-Party Conference creates one
SIP virtual terminals, CMM modules 32 access the SIP virtual terminals in the Multi-Party Conference session, now, participate in the Multi-Party Conference
The calling of all users and during the SIP virtual terminals of the Multi-Party Conference all have already accessed to the Multi-Party Conference session.And this
The calling of a little users is entirely point-to-point calling, will not use the resource to media server.Additionally, Multi-Party Conference session
Number of members do not limit, considerably beyond the upper limit of media server.
CACS system externals provide unified message interface, and NGCC can complete the meeting to CACS systems by the message interface
The operations such as words initialization, the speech path control of accessing user and inquiry.NGCC initializes session, and external user is by special multi-party
Meeting access code incoming call, and be linked into CACS systems, CACS systems are likely to exhalation to user, it is therefore an objective to by user and CACS
Speech channel between system continues.CACS system initialization SVTM modules 33, are that one SIP of each Multi-Party Conference conversation establishing is virtual
Terminal, maintains to the traffic between CACS systems and external user.
Realize big other side's meeting if desired, NGCC can order about CACS systems complete to create one it is big multi-party
Conference session, and the user of membership is specified, CACS systems can force exhalation to these users, and their follow-up call is risen
Come.And CACS systems can be simultaneously one SIP virtual terminal of the Multi-Party Conference conversation establishing, each is served as by SIP virtual terminals
Indirect RTP voice deliveries between user.The function of driving microphone and close microphone is provided simultaneously, unnecessary RTP is reduced
The transmission of speech data, improves the utilization rate of resource.
Additionally, CACS systems can also include Conference Calling enquiry module (CCQM, Conference Call Query
Modular) 34, for providing the letter of the conference member of all Multi-Party Conference sessions and access of the CACS systems of NGCC inquiries
Breath, facilitates NGCC that the speech channel of the conference member of each Multi-Party Conference session and access is controlled by message interface.UACM modules 31,
IN intelligent net systems are coordinated to realize and the sip message control between each conference member.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (8)
1. a kind of conference voice control method, it is characterised in that including：
When determining to realize Multi-Party Conference for user according to the calling of user, for the Multi-Party Conference sets up Multi-Party Conference session；
To be linked into the Multi-Party Conference session of foundation for the calling of the Multi-Party Conference；
For each conference member in the Multi-Party Conference session, perform respectively：
Receive the real time transport protocol RTP speech datas of conference member transmission；
The RTP speech datas that will be received are sent respectively to other each conference members of the Multi-Party Conference session；
Before the RTP speech datas that will be received are sent respectively to other each conference members of the Multi-Party Conference session, also include：
In first obtaining the conference member of currently transmitted RTP speech datas, each conference member in addition to specific conference member
Whether quantity, then judge the quantity for obtaining more than default defined threshold, if judged result is no, performing to receive
RTP speech datas are sent respectively to the operation of other each conference members of the Multi-Party Conference session, if the determination result is YES, then not
The RTP speech datas that execution will be received are sent respectively to the operation of other each conference members of the Multi-Party Conference session.
2. the method for claim 1, it is characterised in that it is determined that to realize Multi-Party Conference for user, specifically include：
The Multi-Party Conference calling of user is received, Multi-Party Conference access code is carried in the Multi-Party Conference calling；
According to the Multi-Party Conference access code carried in the Multi-Party Conference calling for receiving, it is determined that to realize Multi-Party Conference for user.
3. the method for claim 1, it is characterised in that for each conference member in the Multi-Party Conference session,
Before receiving the RTP speech datas of conference member transmission respectively, also include：
For the Multi-Party Conference sets up session initiation protocol SIP virtual terminals；And
The SIP virtual terminals set up are linked into the Multi-Party Conference session of foundation.
4. method as claimed in claim 3, it is characterised in that receive the RTP speech datas of conference member transmission, specific bag
Include：
The RTP speech datas of conference member transmission are received by the SIP virtual terminals；
The RTP speech datas that will be received are sent respectively to other each conference members of the Multi-Party Conference session, specifically include：
The RTP speech datas that will be received by the SIP virtual terminals are sent respectively to other each meetings of the Multi-Party Conference session
View member.
5. a kind of conference voice control system, it is characterised in that including：
The automatic Call Control Block of user, for being determined whether to realize Multi-Party Conference for user according to the calling of user；
Conference management module, for the automatic Call Control Block of user determine to realize Multi-Party Conference for user when, for this
Multi-Party Conference sets up Multi-Party Conference session, and will be linked into the Multi-Party Conference session of foundation for the calling of the Multi-Party Conference；
Session initiation protocol virtual terminal module, for for each conference member in the Multi-Party Conference session, connecing respectively
The real time transport protocol RTP speech datas of conference member transmission are received, and the RTP speech datas that will be received are sent respectively to this
Other each conference members of Multi-Party Conference session；
Conference management module, the RTP speech datas for being additionally operable to be received in session initiation protocol virtual terminal module are sent out respectively
Before giving other each conference members of the Multi-Party Conference session, in first obtaining the conference member of currently transmitted RTP speech datas,
Whether the quantity of each conference member in addition to specific conference member, then judge the quantity for obtaining more than default regulation threshold
Value, if judged result is no, perform the RTP speech datas that will be received be sent respectively to the Multi-Party Conference session other are each
The operation of conference member, if the determination result is YES, does not then perform the RTP speech datas that will be received and is sent respectively to the multi-party meeting
The operation of other each conference members of parliament's words.
6. system as claimed in claim 5, it is characterised in that the automatic Call Control Block of user, specifically for receiving user
Multi-Party Conference calling, carry Multi-Party Conference access code in Multi-Party Conference calling, exhaled according to the Multi-Party Conference for receiving
The Multi-Party Conference access code of middle carrying is, it is determined that to realize Multi-Party Conference for user.
7. system as claimed in claim 5, it is characterised in that session initiation protocol virtual terminal module, specifically in pin
To each conference member in the Multi-Party Conference session, before the RTP speech datas of conference member transmission are received respectively, it is
The Multi-Party Conference sets up session initiation protocol SIP virtual terminals, and the SIP virtual terminals set up are linked into the institute of foundation
In stating Multi-Party Conference session.
8. system as claimed in claim 7, it is characterised in that session initiation protocol virtual terminal module, specifically for being directed to
Each conference member in the Multi-Party Conference session, respectively the SIP virtual terminals by setting up receive the conference member hair
The RTP speech datas for sending, and the RTP speech datas that will be received are sent respectively to other each meetings of the Multi-Party Conference session
Member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350439.3A CN103095939B (en) | 2011-11-08 | 2011-11-08 | Conference voice control method and system |
| PCT/CN2012/078315 WO2013067824A1 (en) | 2011-11-08 | 2012-07-06 | Method and system for conference audio control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350439.3A CN103095939B (en) | 2011-11-08 | 2011-11-08 | Conference voice control method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103095939A CN103095939A (en) | 2013-05-08 |
| CN103095939B true CN103095939B (en) | 2017-06-16 |
Family
ID=48208052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110350439.3A Expired - Fee Related CN103095939B (en) | 2011-11-08 | 2011-11-08 | Conference voice control method and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103095939B (en) |
| WO (1) | WO2013067824A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103702001B (en) * | 2013-12-17 | 2016-05-18 | 中国联合网络通信集团有限公司 | Videoconference platform and videoconference processing method |
| CN110401623A (en) * | 2018-04-25 | 2019-11-01 | 中国移动通信有限公司研究院 | A kind of multiside calling method, platform, terminal, medium, equipment and system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100505864C (en) * | 2005-02-06 | 2009-06-24 | 中兴通讯股份有限公司 | Multi-spot video conference system and media processing method |
| CN100366081C (en) * | 2005-06-22 | 2008-01-30 | 浙江大学 | Multipart video-meeting method of supporting portable devices and wireless network |
| US20070058637A1 (en) * | 2005-09-14 | 2007-03-15 | Tun Han Felix Lo | Method for multi-channel multi-device call transfer |
| CN101043431B (en) * | 2006-06-22 | 2010-12-08 | 华为技术有限公司 | Method and system for shortening built-up time of multi-party communication service |
| CN101022480B (en) * | 2007-03-01 | 2010-05-26 | 华为技术有限公司 | Method for establishing teleconference and MSC |
| CN101034960A (en) * | 2007-04-06 | 2007-09-12 | 中国科学院计算技术研究所 | Implementation method for remote multi-person conference and corresponding system |
| US20090040948A1 (en) * | 2007-08-08 | 2009-02-12 | Alcatel Lucent | Speed conferencing |
| JP2009118316A (en) * | 2007-11-08 | 2009-05-28 | Yamaha Corp | Voice communication device |
| CN101848099B (en) * | 2010-03-19 | 2012-12-05 | 西安电子科技大学 | Network conference system and conference realization method thereof |
-
2011
- 2011-11-08 CN CN201110350439.3A patent/CN103095939B/en not_active Expired - Fee Related
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2012
- 2012-07-06 WO PCT/CN2012/078315 patent/WO2013067824A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013067824A1 (en) | 2013-05-16 |
| CN103095939A (en) | 2013-05-08 |
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