CN201623797U - Multi-picture network broadcast system - Google Patents
Multi-picture network broadcast system Download PDFInfo
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- CN201623797U CN201623797U CN 201020182683 CN201020182683U CN201623797U CN 201623797 U CN201623797 U CN 201623797U CN 201020182683 CN201020182683 CN 201020182683 CN 201020182683 U CN201020182683 U CN 201020182683U CN 201623797 U CN201623797 U CN 201623797U
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Abstract
The utility model relates to a multi-picture network broadcast system, which comprises picture pick-up devices, coding machines, a multi-functional switch and a master switcher, wherein the picture pick-up devices are arranged at a plurality of areas on the spot and used for gathering videos on the spot from different visual angles; the coding machines are correspondingly connected with the picture pick-up devices and used for converting videos gathered by the picture pick-up devices into video formats capable of being played on the Internet; the multi-functional switch is connected with a plurality of coding machines and at least a server, and is used for delivering the videos output by the coding machines to the server, thereby providing a plurality of coded sub-video signals capable of being played on the Internet; the master switcher is connected with a plurality of picture pick-up devices, and is used for editing and switching the videos gathered by the picture pick-up devices, thereby forming main video signals; and the master switcher is also connected with the multi-functional switch through the coding machines, so as to deliver the main video signals to the server. The utility model realizes the purpose of performing multi-picture network broadcast under a single steam mode or a multiple-stream mode.
Description
Technical field
The utility model relates to a kind of live broadcast system, especially relates to the network direct broadcasting system of many pictures of a kind of single current and the many pictures of multithread.
Background technology
High definition, smooth network direct broadcasting video have become the bright spot and the advantage of current Internet video.Along with the raising of the popularity rate of home computer, network HD video and content continue to increase, and people have urgent current demand to watching high definition network direct broadcasting video.
At present, people are single videos after on-the-spot cut bank editor is switched at the live video of seeing on the network, that is to say, and be identical with the live video of seeing on TV.Yet,, therefore make the network spectators produce the multi-faceted demand of viewing and admiring live video of multi-angle because the Internet itself has multi-selection.That is to say that the network spectators wish oneself to select watching focus, visual angle, virtual viewing location, even wish to see the content of some non-stage main flows, for example the Dressing Room real time status is performed in a radio or TV programme porch, Room performer's state etc.
Summary of the invention
In order to satisfy the demand of spectators, make spectators break away from the state of merely accepting single video, increase authenticity and interest that stage is watched, the utility model discloses a kind of many pictures network direct broadcasting system, comprising:
A plurality of picture pick-up devices, it is arranged on on-the-spot a plurality of positions, is used to different visual angles and gathers video at the scene;
A plurality of code machines, its corresponding connection with described picture pick-up device converts the video format that can play on the internet to the video with the picture pick-up device collection;
Multi-functional switch, it is connected with described a plurality of code machines, and described multi-functional switch links to each other with at least one server, send described at least one server to video, thereby the sub-video signal behind a plurality of codings that can broadcast on the internet is provided described a plurality of code machine outputs;
Main cut bank, it is connected with described a plurality of picture pick-up devices, edit switching with the video that described a plurality of picture pick-up device is gathered, thereby form a main video signal, described main cut bank also links to each other with described multi-functional switch by code machine, main video signal is sent to described server.
Many pictures network direct broadcasting system described in the utility model, also comprise: the satellite network communication module, it is connected with described main cut bank, with the described main video signal behind the received code, and described satellite network communication module is connected with described multi-functional switch, be used for via satellite, satellite receiver, modulator-demodulator and router connect wireless internet network, thereby the main video signal behind the described coding sent into the Internet.
Many pictures network direct broadcasting system described in the utility model also comprises: at least one player, it links to each other with described main cut bank, is used for carrying advertising message to described main cut bank.
In many pictures network direct broadcasting system described in the utility model, link to each other by a sub-cut bank between described at least one player and the described main cut bank.
Many pictures network direct broadcasting system described in the utility model also comprises: on-the-spot main screen, it links to each other with described main cut bank, is used to the main video signal that shows that described main cut bank editor is switched.
Many pictures network direct broadcasting system described in the utility model also comprises: at least one on-the-spot sub-screen, its corresponding connection with computer is to show the output picture of computer.
In many pictures network direct broadcasting system described in the utility model, described at least one on-the-spot sub-screen is six on-the-spot sub-screens, wherein 5 on-the-spot sub-screens and first to the 5th corresponding connection of described computer, and the on-the-spot sub-screen of another one connects by described main cut bank with corresponding the 6th computer, thereby shows the main video signal of described main cut bank editor switching and the output signal of described the 6th computer simultaneously on the sub-screen of described another one scene.
Many pictures network direct broadcasting system described in the utility model also comprises: the 7th to the tenth computer, and it all links to each other with described the 6th computer, and being used for provides vision signal to described the 6th computer.
In many pictures network direct broadcasting system described in the utility model, the video that described main cut bank is gathered described a plurality of picture pick-up device is edited switching, forms a main video signal and a backup main video signal.
Many pictures network direct broadcasting system described in the utility model also comprises: select module, it links to each other with described multi-functional switch, is used for supplying spectators' selection to want the sub-video signal of watching.
Many pictures network direct broadcasting system described in the utility model adopts multiple-camera, odd encoder machine, many cut banks, enter the mode that main cut bank enters the Internet again by multiple signals, realized no matter being single current or multithread, can both the live technology of many pictures, be the upgrading substitute of IPTV technology.
Description of drawings
Fig. 1 is the structural representation of an embodiment of many pictures network direct broadcasting system described in the utility model;
Fig. 2 is the structural representation of a concrete application scheme of many pictures network direct broadcasting system described in the utility model;
Fig. 3 is the schematic diagram of the Internet video picture of application many pictures network direct broadcasting system described in the utility model.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing, can implement according to this with reference to the specification literal to make those skilled in the art.
Fig. 1 is the structural representation of an embodiment of many pictures network direct broadcasting system described in the utility model.
As shown in Figure 1, many pictures network direct broadcasting system of the present utility model comprises:
A plurality of picture pick-up devices, it is arranged on on-the-spot a plurality of positions, is used to different visual angles and gathers video at the scene.For example, picture pick-up device can be seated in the Dressing Room porch, the place, stage entrance performs in a radio or TV programme porch, the Room.Picture pick-up device can be the motion camera lens, also may be fixed lens, can also be trip machine camera lens.
A plurality of code machines, its corresponding connection with described picture pick-up device converts the video format that can play on the internet to the video with the picture pick-up device collection.Because the video format of picture pick-up device production is unsuitable for play-overing on the internet usually, therefore need encode to the video format of production with code machine, for example, can be encoded to rmvb, rm form, also can be wav, MP4 form etc.Mainly be that the Internet is operable broadcast format, all can adopt.
Multi-functional switch, it is connected with described a plurality of code machines, and described multi-functional switch links to each other with at least one server, sends described at least one server to the video with described a plurality of code machine outputs, thereby forms a plurality of sub-video signals that can broadcast on the internet.Multi-functional switch sends vision signal to server, and the quantity of server depends on the real network visit capacity.Spectators watch programme televised live by the computer terminal access server.
Main cut bank, it is connected with described a plurality of picture pick-up devices, edit switching with the video that described a plurality of picture pick-up device is gathered, thereby form a main video signal, described main cut bank also links to each other with described multi-functional switch by code machine, main video signal is sent to described server.Main video signal can be transferred on the on-the-spot main screen usually, and in the utility model, main video signal also can be as the main video of network direct broadcasting simultaneously.
Fig. 2 is the structural representation of a concrete application scheme of many pictures network direct broadcasting system described in the utility model.
As shown in Figure 2, should provide 11 positions for video camera altogether, switch by main cut bank editor and a key frame with in the scheme.These all pictures all can pass through main cut bank, enter the Internet, freely select broadcasting pictures by the Internet user, or play a plurality of pictures simultaneously, have realized the real many picture effects according to user's request.
Many pictures network direct broadcasting system described in the utility model, can also comprise: the satellite network communication module, it is connected with described main cut bank, with the described main video signal behind the received code, and described satellite network communication module is connected with described multi-functional switch, be used for via satellite, satellite receiver, modulator-demodulator and router connect wireless internet network, thereby the main video signal behind the described coding sent into the Internet.
The satellite network communication module mainly be the guaranteeing role that plays video network transmission.That is to say, in case because certain unpredictable reason, the network interruption has taken place, many pictures network direct broadcasting system of the present utility model can be enabled the satellite network transfer function automatically, inserts the Internet via satellite by the vision signal of will be gathered and guarantees that the network spectators can continue to watch programme televised live.
In the practice, to the Internet is mainly pushed vision signal with optical fiber special line system in the programme televised live meeting-place.Use therein optical fiber belongs to the carrier class optical fiber technology, and bandwidth arrives 10M greatly, can carry 30 road 340K code stream videos.Main video signal PGM1 broadcasts to the Internet user by code machine, and another main video signal PGM2 among Fig. 2 exists as the purpose that backs up.In case main video signal PGM1 can't broadcast, many pictures network direct broadcasting system then of the present utility model can switch to PGM2 rapidly and carry out playing programs.
If the light special line breaks down, then utilize satellite system, IPSTAR satellite for example, it is the satellite that is designed for based on the high-speed bidirectional broadband communications of IP platform.The IPSTAR satellite supports standard the Internet to connect comprehensively and all IP use, and area coverage is wide, communication does not have the region restriction.And provide reliably high speed VPN (VPN) efficiently.For in-house network is easily set up in different data, voice and video application.
The network environment that 2M will be provided after finishing is debugged by system via satellite.For guaranteeing the live smooth broadcast of party, PGM3 can be set at high code stream master video.By the code machine (not shown) encoded constantly in live scene.The PGM4 vision signal also is the space signal as PGM3, and it is provided with PGM2 is the same.
Many pictures network direct broadcasting system of the present utility model also comprises: at least one player, it links to each other with described main cut bank, is used for carrying advertising message to described main cut bank.And can also link to each other by a sub-cut bank between described at least one player and the described main cut bank.
Two players have been shown among Fig. 2, and promptly A is put machine and B is put machine.A, B are put machine and are adopted the multimedia application playing platform, and the issue that can walk abreast comprises the various real time information information of video-audio program, rolling news, display advertising, public image-text information, animation LOGO, temporal information etc.In the accurate delivery mode of differentiation, satisfy at the different target crowd, in the different location, the demand of time issue appointed information, provide exquisite displaying picture and abundant customization information content.
Many pictures network direct broadcasting system of the present utility model also comprises: on-the-spot main screen, it links to each other with described main cut bank, is used to the main video signal that shows that described main cut bank editor is switched.
Many pictures network direct broadcasting system of the present utility model also comprises: at least one on-the-spot sub-screen, its corresponding connection with computer is to show the output picture of computer.Comprise 5 these five sub-screens in the application scheme shown in Fig. 2, and also comprise this sub-screen of Free Talk screen from the small screen 1 to the small screen.
In many pictures network direct broadcasting system of the present utility model, described at least one on-the-spot sub-screen is six on-the-spot sub-screens, wherein 5 on-the-spot sub-screens and first to the 5th corresponding connection of described computer, and the on-the-spot sub-screen of another one connects by described main cut bank with corresponding the 6th computer, thereby shows the main video signal of described main cut bank editor switching and the output signal of described the 6th computer simultaneously on the sub-screen of described another one scene.Free Talk screen in the application scheme shown in Fig. 2 is exactly the above-mentioned on-the-spot sub-screen of another one.This sub-screen both can broadcast main video signal, can receive the vision signal from computer 6 again, and itself and main video signal are broadcasted simultaneously.For this reason, as shown in Figure 2, a sub-cut bank can be set, edit switching for the output video on the Free Talk screen specially.
These computers can also comprise backup computer, that is to say, each computer station is provided with two computers, in order to certain the unexpected out of order situation of computer takes place.These computers need connect and enter the Internet, and dispose privately owned ip address, and these computers will be limited online, and the website that only allows Director Team to provide can be visited.A wireless router also can be placed as backup in the scene.
Many pictures network direct broadcasting system of the present utility model also comprises: the 7th to the tenth computer, and it all links to each other with described the 6th computer, and being used for provides vision signal to described the 6th computer.
In many pictures network direct broadcasting system of the present utility model, the video that described main cut bank is gathered described a plurality of picture pick-up device is edited switching, forms a main video signal and backup main video signal, just a PGM1 and a PGM2.。
Many pictures network direct broadcasting system of the present utility model also comprises: select module, it links to each other with described multi-functional switch, is used for supplying spectators' selection to want the sub-video signal of watching.As shown in Figure 3, select module can comprise virtual click button 1,2,3,4,5.......The network user is by these click button with click, and just the video image that can optionally watch arbitrary picture pick-up device to collect on left side the small screen shown in Figure 3 switches the main video that through main cut bank editor and then is presented on the screen broad in the middle.
The main cut bank that the utility model adopts has a plurality of interfaces, and all camera-shooting and recording devices will enter this cut bank, and be distributed to corresponding user.Therefore these interfaces can provide multichannel SDI input and output, improve the digital signal versatility.Any crosspoint can be arbitrarily distributed in any input.In addition, every road input also is equipped with frame-synchronizing device and chroma key to handle.The quantity of drawing the picture pattern simultaneously surpasses kind more than 100, and for these special effects provide multiple adjustable parameter, as position, size, rotation, edge and transparency etc.In addition, also be equipped with the six road three-dimensional special effects that are rich in intention,, even can finish the light efficiency stunt and handle as page turning, ripple and whirlpool.11 code machines among Fig. 2 provide the picture of different seats in the plane respectively, make spectators watch program from different visual angles, realize the pattern of the many pictures of multithread, the many pictures of single current.The user that each is watched becomes on-the-spot " Chief Director ", where just wants to see and where sees, switches arbitrarily.Increased network interdynamic and recreational greatly.
And the utility model can push multi-channel video and flow on several the high-end dedicated video servers of the Internet.Be pushed to the Internet end by stable and smooth CDN technology again.The user obtains video flowing nearby by browser.The CDN technology that adopts in live, video flowing postpone to taper to the shortest from the scene to user.
The utility model has creatively proposed the technology of the many pictures of live on the internet multithread, before can allowing the network user be sitting in computer, just can be according to the hobby of oneself, watch TV programme with multi-angle, needn't be subjected to the restriction that the instructor in broadcasting is switched, otherwise, can direct by do-it-yourself, be the instructor in broadcasting, indiscriminately ad. as one wishes watch the video image of any camera acquisition.So greatly strengthened the interest and the initiative of viewing and admiring, and on-the-spot authenticity.The applicant is before this from finding no this network direct broadcasting video mode and technology, thus file an application at this, in the hope of patent protection.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification and the execution mode, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.
Claims (10)
1. picture network direct broadcasting system more than a kind is characterized in that, comprising:
A plurality of picture pick-up devices, it is arranged on on-the-spot a plurality of positions, is used to different visual angles and gathers video at the scene;
A plurality of code machines, its corresponding connection with described picture pick-up device converts the video format that can play on the internet to the video with the picture pick-up device collection;
Multi-functional switch, it is connected with described a plurality of code machines, and described multi-functional switch links to each other with at least one server, send described at least one server to video, thereby the sub-video signal behind a plurality of codings that can broadcast on the internet is provided described a plurality of code machine outputs;
Main cut bank, it is connected with described a plurality of picture pick-up devices, edit switching with the video that described a plurality of picture pick-up device is gathered, thereby form a main video signal, described main cut bank also links to each other with described multi-functional switch by code machine, main video signal is sent to described server.
2. many pictures network direct broadcasting system according to claim 1 is characterized in that, also comprises:
The satellite network communication module, it is connected with described main cut bank, with the described main video signal behind the received code, and described satellite network communication module is connected with described multi-functional switch, be used for via satellite, satellite receiver, modulator-demodulator and router connect wireless internet network, thereby the main video signal behind the described coding sent into the Internet.
3. many pictures network direct broadcasting system according to claim 1 is characterized in that, also comprises:
At least one player, it links to each other with described main cut bank, is used for carrying advertising message to described main cut bank.
4. many pictures network direct broadcasting system according to claim 3 is characterized in that, links to each other by a sub-cut bank between described at least one player and the described main cut bank.
5. many pictures network direct broadcasting system according to claim 1 is characterized in that, also comprises:
On-the-spot main screen, it links to each other with described main cut bank, is used to the main video signal that shows that described main cut bank editor is switched.
6. many pictures network direct broadcasting system according to claim 1 is characterized in that, also comprises:
At least one on-the-spot sub-screen, its corresponding connection with computer is to show the output picture of computer.
7. many pictures network direct broadcasting system according to claim 6, it is characterized in that, described at least one on-the-spot sub-screen is six on-the-spot sub-screens, wherein 5 on-the-spot sub-screens and first to the 5th corresponding connection of described computer, and the on-the-spot sub-screen of another one connects by described main cut bank with corresponding the 6th computer, thereby shows the main video signal of described main cut bank editor switching and the output signal of described the 6th computer simultaneously on the sub-screen of described another one scene.
8. many pictures network direct broadcasting system according to claim 7 is characterized in that, also comprises: the 7th to the tenth computer, and it all links to each other with described the 6th computer, and being used for provides vision signal to described the 6th computer.
9. many pictures network direct broadcasting system according to claim 1 is characterized in that, the video that described main cut bank is gathered described a plurality of picture pick-up device is edited switching, forms a main video signal and a backup main video signal.
10. many pictures network direct broadcasting system according to claim 1 is characterized in that, also comprises:
Select module, it links to each other with described multi-functional switch, is used for supplying spectators' selection to want the sub-video signal of watching.
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| CN 201020182683 CN201623797U (en) | 2010-04-30 | 2010-04-30 | Multi-picture network broadcast system |
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| CN 201020182683 CN201623797U (en) | 2010-04-30 | 2010-04-30 | Multi-picture network broadcast system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316276A (en) * | 2011-09-26 | 2012-01-11 | 成都索贝数码科技股份有限公司 | Signal switching matrix system |
| CN103297705A (en) * | 2013-05-21 | 2013-09-11 | 东莞市三基音响科技有限公司 | Method and system for professionally processing network audio and video for large venue in real time |
| CN105828201A (en) * | 2016-04-22 | 2016-08-03 | 北京小米移动软件有限公司 | Video processing method and device |
| CN106254916A (en) * | 2016-08-09 | 2016-12-21 | 乐视控股（北京）有限公司 | Live play method and device |
| CN106792245A (en) * | 2016-11-22 | 2017-05-31 | 广州华多网络科技有限公司 | Direct broadcasting room video flowing synthetic method, device and terminal device |
| CN107431846A (en) * | 2015-12-04 | 2017-12-01 | 咖啡24株式会社 | Image transfer method, equipment and system based on multiple video cameras |
| CN108012161A (en) * | 2017-11-10 | 2018-05-08 | 广州华多网络科技有限公司 | Net cast method, system and terminal device |
| CN108156363A (en) * | 2016-12-05 | 2018-06-12 | 贝马体育科技有限公司 | 360 degree of video players and method |
| CN108419087A (en) * | 2017-02-10 | 2018-08-17 | 邱施铭 | Interactive mode live streaming image pickup method |
| CN110113307A (en) * | 2019-04-01 | 2019-08-09 | 视联动力信息技术股份有限公司 | A kind of method and apparatus of live streaming |
| CN111131725A (en) * | 2019-12-25 | 2020-05-08 | 上海文化广播影视集团有限公司 | System and method for monitoring multi-picture video signal |
| CN111277842A (en) * | 2019-02-19 | 2020-06-12 | 乐竞文化传媒(上海)有限公司 | Live broadcasting and stream pushing system for electric competition double signals and using method thereof |
| CN113242452A (en) * | 2021-06-15 | 2021-08-10 | 中国人民解放军91388部队 | Video display method, device, system, equipment and storage medium |
| CN114025182A (en) * | 2021-10-09 | 2022-02-08 | 南京思迈恩传媒科技有限公司 | Video arrangement processing system suitable for streaming media network program broadcasting |
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2010
- 2010-04-30 CN CN 201020182683 patent/CN201623797U/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102316276B (en) * | 2011-09-26 | 2013-06-19 | 成都索贝数码科技股份有限公司 | Signal switching matrix system |
| CN102316276A (en) * | 2011-09-26 | 2012-01-11 | 成都索贝数码科技股份有限公司 | Signal switching matrix system |
| CN103297705A (en) * | 2013-05-21 | 2013-09-11 | 东莞市三基音响科技有限公司 | Method and system for professionally processing network audio and video for large venue in real time |
| CN103297705B (en) * | 2013-05-21 | 2017-02-15 | 东莞市三基音响科技有限公司 | Method and system for professionally processing network audio and video for large venue in real time |
| CN107431846A (en) * | 2015-12-04 | 2017-12-01 | 咖啡24株式会社 | Image transfer method, equipment and system based on multiple video cameras |
| CN105828201B (en) * | 2016-04-22 | 2019-05-21 | 北京小米移动软件有限公司 | Method for processing video frequency and device |
| CN105828201A (en) * | 2016-04-22 | 2016-08-03 | 北京小米移动软件有限公司 | Video processing method and device |
| CN106254916A (en) * | 2016-08-09 | 2016-12-21 | 乐视控股（北京）有限公司 | Live play method and device |
| CN106792245A (en) * | 2016-11-22 | 2017-05-31 | 广州华多网络科技有限公司 | Direct broadcasting room video flowing synthetic method, device and terminal device |
| CN108156363A (en) * | 2016-12-05 | 2018-06-12 | 贝马体育科技有限公司 | 360 degree of video players and method |
| CN108419087A (en) * | 2017-02-10 | 2018-08-17 | 邱施铭 | Interactive mode live streaming image pickup method |
| CN108012161A (en) * | 2017-11-10 | 2018-05-08 | 广州华多网络科技有限公司 | Net cast method, system and terminal device |
| CN108012161B (en) * | 2017-11-10 | 2021-10-01 | 广州华多网络科技有限公司 | Video live broadcast method, system and terminal equipment |
| CN111277842A (en) * | 2019-02-19 | 2020-06-12 | 乐竞文化传媒(上海)有限公司 | Live broadcasting and stream pushing system for electric competition double signals and using method thereof |
| CN110113307A (en) * | 2019-04-01 | 2019-08-09 | 视联动力信息技术股份有限公司 | A kind of method and apparatus of live streaming |
| CN111131725A (en) * | 2019-12-25 | 2020-05-08 | 上海文化广播影视集团有限公司 | System and method for monitoring multi-picture video signal |
| CN113242452A (en) * | 2021-06-15 | 2021-08-10 | 中国人民解放军91388部队 | Video display method, device, system, equipment and storage medium |
| CN114025182A (en) * | 2021-10-09 | 2022-02-08 | 南京思迈恩传媒科技有限公司 | Video arrangement processing system suitable for streaming media network program broadcasting |
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Effective date of registration: 20110105 Address after: 100080, room 16, floor 66, 1910 West Fourth Ring Road, Haidian District, Beijing Patentee after: Beijing colorful horizon information technology Co., Ltd. Address before: 100080, No. 19, No. 66 West Fourth Ring Road, Beijing, Haidian District Patentee before: VODone Limited. |
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Owner name: VODONE COMMUNICATION AND MEDIA CO., LTD. Free format text: FORMER OWNER: BEIJING COLOR VISION INFORMATION TECHNOLOGY CO., LTD. Effective date: 20140813 |
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Effective date of registration: 20140813 Address after: 100102, Beijing, Wangjing, Chaoyang District East Road, No. 8 sharp international center, A block, 16-18 floor Patentee after: VODone Limited. Address before: 100080, room 16, floor 66, 1910 West Fourth Ring Road, Haidian District, Beijing Patentee before: Beijing colorful horizon information technology Co., Ltd. |
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Owner name: FIRST VIDEO (BEIJING) NETWORK TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: VODONE COMMUNICATION AND MEDIA CO., LTD. Effective date: 20141102 |
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Effective date of registration: 20141102 Address after: 100085, Beijing, Haidian District Qinghe Anning East Road No. 23, building 2, 18, 2210 Patentee after: First video (Beijing) Network Technology Co., Ltd. Address before: 100102, Beijing, Wangjing, Chaoyang District East Road, No. 8 sharp international center, A block, 16-18 floor Patentee before: VODone Limited. |
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Granted publication date: 20101103 |