CN103079053B - Information issuing system and video frequency monitoring method thereof - Google Patents
Information issuing system and video frequency monitoring method thereof Download PDFInfo
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- CN103079053B CN103079053B CN201210575875.5A CN201210575875A CN103079053B CN 103079053 B CN103079053 B CN 103079053B CN 201210575875 A CN201210575875 A CN 201210575875A CN 103079053 B CN103079053 B CN 103079053B
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Abstract
The invention provides a kind of information issuing system and video frequency monitoring method thereof, described information issuing system comprises terminal, server end and WEB end. Information issuing system of the present invention and video frequency monitoring method thereof, realized the combination that terminal real-time video monitoring and information are issued. After application the solution of the present invention, user can real-time monitoring terminal field scene and terminal plays real time status, checks whether actual Long-distance Control reaches re-set target, has facilitated administrative staff's maintenance terminal display screen; And in the present invention, show up and patrol and independent installation video monitoring system without personnel, thereby saved greatly human cost and hardware cost spending.
Description
Technical field
The present invention relates to information service field, particularly relate to a kind of information issuing system and a kind of information is sent outThe video frequency monitoring method of distribution system.
Background technology
Information issuing system is the LED/LCD(LightEmittingDiode to access network by Ethernet,Light emitting diode/LiquidCrystalDisplay, liquid crystal display) display screen carries out long-range unified management, bagDraw together: the issue of stream media information, LED/LCD display screen Long-distance Control play, with LED/LCD display screenControl terminal carries out the mutual etc. of file and signaling.
Traditional information issuing system, be no matter networking or standalone version, in its broadcasting for terminalHold and the field condition of terminal all can not be real-time carries out video monitoring. If therefore the display screen of terminal closesClose, or the phenomenons such as flower screen, damage have occurred, all can not find timely, thereby can have influence on informationDistribution effect.
For addressing the above problem, mainly contain at present following two kinds of modes:
One, for play content and the actual effect of the service condition of terminal display, terminal, watch and sending outThe feedback of the people of cloth information etc. these information, arranges special personnel's timing to go on-the-spot inspection. But adoptThis mode, because terminal quantity is many, it is wide to distribute, required patrolman is many, and the position of terminal installationComplexity, as first-class in external wall of high-rise building, highway, the very inconvenient personnel's in these positions inspection.
Two, the independent situation that the next special monitor terminal of a set of video monitoring system scene is installed. But specialVideo monitoring system is expensive, and inconvenient user's overall management.
Therefore, how more convenient, realize the real-time video monitoring to information issuing system cheaply,Become a problem demanding prompt solution.
Summary of the invention
Based on this, the invention provides a kind of information issuing system and video frequency monitoring method thereof, can facilitate, lowThe real-time video monitoring of the realization of cost to information issuing system.
For achieving the above object, the present invention adopts following technical scheme:
A video frequency monitoring method for information issuing system, described information issuing system comprises terminal, serverEnd and WEB end, described method for supervising comprises the following steps:
Starting corresponding listening port monitors;
When receiving after the beginning terminal monitoring signaling sending when WEB end starts, by described beginning terminal prisonControl signaling is transmitted to corresponding terminal by Session Initiation Protocol, and distributes to the ActiveX control of corresponding WEB endA RTP transmit port, sets up new RTP session, and this session information is saved in to a session informationIn the middle of queue, the port of then RTP is communicated by letter IP and distribution returns to WEB end;
Receive the ActiveX control timing of described WEB end to the end of described RTP communication IP and port transmissionEnd number, resolves the RTP communication IP and the port that obtain this ActiveX control, and described in being recorded toIn session information queue, use this RTP communication IP and port as the RTP video data that forwards terminalPassage;
Receiving terminal carries out video data acquiring, compression coding and adds according to described beginning terminal monitoring signalingRTP packet after terminal number, parses terminal number and video data respectively, according to described terminal numberFind out RTP communication IP and the port numbers of corresponding A ctiveX control in described session information queue, and described in inciting somebody to actionVideo data is transmitted to corresponding A ctiveX control by Real-time Transport Protocol.
A kind of information issuing system, comprising: terminal, server end and WEB end, described server end bagDraw together: Long-distance Control server;
Described Long-distance Control server comprises:
Port is monitored module, monitors for starting corresponding listening port;
Signaling forwards and port assignment module, for the beginning terminal sending in the time receiving the startup of WEB endAfter monitoring signaling, described beginning terminal monitoring signaling is transmitted to corresponding terminal by Session Initiation Protocol, and givesThe ActiveX control of corresponding WEB end distributes a RTP transmit port, sets up new RTP session, andThis session information is saved in the middle of a session information queue to the port of then RTP is communicated by letter IP and distributionReturn to WEB end;
Parsing module, for the ActiveX control timing that receives described WEB end to described RTP communication IPWith the terminal number data that port sends, resolve the RTP communication IP and the port that obtain this ActiveX control,And be recorded in described session information queue, use this RTP communication IP and port as the RTP that forwards terminalThe passage of video data;
Video data forwarding module, carries out video counts for receiving terminal according to described beginning terminal monitoring signalingAccording to collection, compression coding and add the RTP packet after terminal number, terminal number and video data are separated respectivelySeparate out, the RTP that finds out corresponding A ctiveX control in described session information queue according to described terminal number is logicalLetter IP and port numbers, and described video data is transmitted to corresponding A ctiveX control by Real-time Transport Protocol.
Can be found out by above scheme, information issuing system of the present invention and video frequency monitoring method thereof, by farProcess control server receives WEB and holds the control information sending, and processes and be transmitted to end according to informationEnd; The also return information of receiving terminal of while, return information is processed, thereby it is real-time to have realized terminalThe combination that video monitoring and information are issued. After application the solution of the present invention, user can real-time monitoring terminal sceneScene and terminal plays real time status, check that whether actual Long-distance Control reaches re-set target, has facilitated managementPersonnel's maintenance terminal display screen; And show up and patrol and the independent video prison of installing without personnel in the present inventionControl system, thus human cost and hardware cost spending saved greatly.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of a kind of video frequency monitoring method of information issuing system in the embodiment of the present invention;
Fig. 2 is the specific implementation flow process of the video frequency monitoring method of a kind of information issuing system in the embodiment of the present inventionFigure;
Fig. 3 is the structural representation of a kind of information issuing system in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is further described.
Shown in Figure 1, a kind of video frequency monitoring method of information issuing system, described information issuing system bagDraw together terminal, server end and WEB end, described method for supervising comprises the following steps:
Step S101, starts corresponding listening port and monitors.
As a good embodiment, described listening port can comprise: UDP(UserDatagramProtocol, User Datagram Protocol) listening port, SIP(SessionInitiationProtocol, at the beginning of sessionBeginningization agreement) COM1 and RTP(Real-timeTransportProtocol, RTP) prisonListen port etc.;
Described UDP listening port holds for monitoring WEB the control signal sending over;
Described SIP COM1 is the return information to terminal and receiving terminal for forwarding information;
The video data that described RTP listening port is uploaded for monitor terminal, and according to the monitoring of WEB endRequest forwarding video data is given each WEB end.
Step S102, when receiving after the beginning terminal monitoring signaling sending when WEB end starts, by instituteState beginning terminal monitoring signaling and be transmitted to corresponding terminal by Session Initiation Protocol, and hold to corresponding WEBActiveX control distributes a RTP transmit port, sets up new RTP session, and this session information is protectedDeposit in the middle of a session information queue, the IP(that then RTP communicated by letter is the IP address of server end) and pointThe port of joining returns to WEB end.
Step S103, receives the ActiveX control timing of described WEB end to described RTP communication IP and endThe terminal number data that mouth sends, resolve the RTP communication IP and the port that obtain this ActiveX control, andBe recorded in described session information queue, use this RTP communication IP and port as the RTP that forwards terminalThe passage of video data.
Step S104, receiving terminal carries out video data acquiring, coding according to described beginning terminal monitoring signalingCompress and add the RTP packet after terminal number, terminal number and video data are parsed respectively, according toDescribed terminal number is found out RTP communication IP and the port numbers of corresponding A ctiveX control in described session information queue,And described video data is transmitted to corresponding A ctiveX control by Real-time Transport Protocol.
As a good embodiment, the process of adding terminal number in step S104 specifically can comprise as follows:Terminal number is added to described RTP packet first 128, deposit video data since 129.
In addition, as a good embodiment, before step S101 starts corresponding listening port, alsoCan comprise step S100:
Each terminal starts backward server end and registers. Successfully be registered to the just tool of terminal of registrar endThere is the authority communicating with server end.
As a good embodiment, at step S104, described video data is transmitted to by Real-time Transport ProtocolAfter corresponding A ctiveX control, can also comprise step S105:
When the ActiveX control of WEB end receives after described video data, the described video data aobvious of decodingBe shown on this WEB end. What user just can be real-time like this has monitored the on-site actual situations of terminal.
As a good embodiment, after step S105, can also comprise step: when receiving whereinAfter the signaling that stops a certain terminal monitoring of WEB end transmission, destroy corresponding RTP session, and sentenceDisconnected other WEB ends that whether also exist are in this terminal of monitoring; If not, send and stop terminal monitoring to this terminalSignaling. Described in terminal receives, stop stopping the collection of video after terminal monitoring signaling, thereby complete wholeVideo monitoring process.
For better understanding this programme, shown in Figure 2, specific implementation step of the present invention is described below:
1,, when terminal starts, initialization camera and initialization codes device also have the transmitting terminal of RTP video dataMouthful. Terminal is successfully registered to registrar, has the authority communicating with server. Waiting for serverThe control information that end sends over;
2, server end starts listening port, the COM1 of SIP and the listening port of RTP of UDP.UDP listening port holds for monitoring WEB the control signal sending over; SIP COM1 is used for forwarding letterBreath is to the return information of terminal and receiving terminal; The video data that RTP listening port is uploaded for monitor terminal,And according to the monitoring request of WEB end, forwarding video data is given each WEB end;
3, WEB end is opened monitoring interface, initializes ActiveX control, initializes and receives RTP. SimultaneouslyWEB end starts the signaling of terminal monitoring to server end transmission control terminal by udp protocol;
4, server end receives WEB and holds the UDP sending over to start after terminal monitoring signaling, and giving shouldThe ActiveX control of WEB end distributes the port of a RTP transmission. Initialize this port, set up newRTP sends session, and this session information is saved in the middle of a session information queue. By the IP of serverThe port of address and distribution returns to WEB end by udp protocol. Server end also will start terminal simultaneouslyMonitoring signaling is transmitted to corresponding terminal by Session Initiation Protocol. Because server end is to come for ActiveX controlSet up RTP session, so if there is the same terminal of multiple WEB end monitoring, will exist so manylyIndividual different RTP session is in queue;
5, WEB termination is received RTP communication IP and the port that server end sends over, ActiveX controlStart timing and pass through Real-time Transport Protocol transmitting terminal number to this IP and port, server end receives RTPTerminal number data, parse RTP communication IP and the port of ActiveX control, be recorded to the meeting of step 4In words message queue, the passage with this IP and port as the RTP video data of forwarding terminal. Timed sendingThe object of terminal number is to keep NAT(NetworkAddressTranslation, network address translation) penetrate,Also can whether detect ActiveX also in this terminal of monitoring, if server end does not have in one point of kind by this methodWhile having the RTP transmitting terminal of receiving ActiveX, possible WEB closes over there extremely, now will discharge and send outSend RTP, tell terminal to stop monitoring simultaneously. Receive in addition when ActiveX sends out terminal number and comes at every turn and all want timelyUpgrade IP and port after NAT;
6, terminal receives the beginning terminal monitoring signaling that server end sends over, by mounted shootingHead gathers video data, and carry out compression coding, and terminal number is added to first 128 of RTP packet,Deposit video data since 129. Then send to server end by Real-time Transport Protocol.
7, server end receives the RTP packet that terminal sends over. Resolution data bag, by terminal number andVideo data parses respectively, by the session information queue in finding step 4,5, finds out ActiveXRTP communication IP and the port numbers of control, be transmitted to ActiveX control by video data by Real-time Transport Protocol.If there are multiple WEB ends all to need to monitor same terminal, server end will be the video of this terminal soData retransmission is (in step 4, mention is that RTP session by different is communicated by letter) to different WEB ends.This mode is exactly a road terminal video data, and after server, distributing into the data that multichannel is identical providesGive different users, form the transmission mode of one-to-many. This pattern has reduced the bandwidth demand of terminal and has lookedThe pressure that frequency division is sent out, utilizes the high-performance of server, solves multi-user and monitor the restricted number of same terminal.The mode that adopts server end to forward, terminal camera, without public network IP, even if in the middle of LAN, is usedThe monitoring of video also can be carried out in family in internet;
8, ActiveX control receives RTP video data, and decoded data is also presented on WEB end. WithFamily just can be real-time monitored the on-site actual situations of terminal.
If 9 users stop monitoring, WEB end sends and stops monitoring signaling to server end, server endDestroy this RTP session, and judge whether that in addition other pages are monitored this terminal again, if do not had, toTerminal sends and stops monitoring signaling, and terminal stops the collection of video, thereby completes whole video monitoring process.
In addition, corresponding with the video frequency monitoring method of above-mentioned a kind of information issuing system, the present invention also providesA kind of information issuing system, as shown in Figure 3, comprising: terminal, server end and WEB end, described clothesBusiness device end comprises: Long-distance Control server; This Long-distance Control server is mainly used in receiving WEB server endThe control information that sends (adopt UDP communication protocol and XML(extensiblemarkuplanguage,Extend markup language) protocol format content), process and be transmitted to terminal according to information; Also connect simultaneouslyReceive the return information of terminal, return information is processed. Long-distance Control server is passable with communicating by letter of terminalAdopt SIP communication protocol, content can adopt XML protocol format record.
Described Long-distance Control server comprises:
Port is monitored module 101, monitors for starting corresponding listening port;
Signaling forwards and port assignment module 102, for the beginning sending in the time receiving the startup of WEB endAfter terminal monitoring signaling, described beginning terminal monitoring signaling is transmitted to corresponding terminal by Session Initiation Protocol,And distribute a RTP transmit port to the ActiveX control of corresponding WEB end, set up new RTP session,And this session information is saved in the middle of a session information queue to the end of then RTP is communicated by letter IP and distributionMouth returns to WEB end;
Parsing module 103, communicates by letter to described RTP for the ActiveX control timing that receives described WEB endThe terminal number data that IP and port send, resolve the RTP communication IP and the end that obtain this ActiveX controlMouthful, and be recorded in described session information queue, use this RTP communication IP and port as forwarding terminalThe passage of RTP video data;
Video data forwarding module 104, carries out video for receiving terminal according to described beginning terminal monitoring signalingData acquisition, compression coding also add the RTP packet after terminal number, by terminal number and video data differenceParse, find out the RTP of corresponding A ctiveX control according to described terminal number in described session information queueCommunication IP and port numbers, and described video data is transmitted to corresponding A ctiveX control by Real-time Transport Protocol.
As a good embodiment, described server end can also comprise:
Registrar, the information of the registration request sending over for office terminal login connected system, entersRow authentication operations;
File server, the media file of uploading for store and management user, the playlist of generation and eachPlant log information;
Database server, for depositing user profile, media information, operation information;
WEB server, for responding user's operation of WEB end, sends to operation signaling described long-rangeControl Server;
Streaming media server, for streaming protocol, video file being transferred to WEB end, sees online for userSee.
WEB end in the embodiment of the present invention is user oriented operation interface, implements preferably as oneExample, described WEB end can lead to for the WEB server end by http protocol and serverLetter, thus whole information issuing system managed. In the embodiment of the present invention, WEB end is with can between server endAdopt B/S(Browser/Server, Browser/Server Mode) framework.
As a good embodiment, described terminal can be for registering to described registrar,And communicate with described Long-distance Control server, receive control instruction and the number of described Long-distance Control serverAccording to, and content play and the various parameter setting of control LED/LCD screen. Terminal in the embodiment of the present inventionCan follow server end to communicate by Session Initiation Protocol, and terminal can adopt C/S with between server end(Client/Server, client/server) framework.
In the embodiment of the present invention, information is issued with combining of monitoring and is shown as leading between terminal and server endCommunicating by letter between letter and WEB end and server end:
1) terminal 1-N has two transmission channels: the one, and signalling, adopts SIP signaling (two-way), usesIn issue and the control of information; The 2nd, RTP video data is uploaded (unidirectional up), for monitor dataPass;
2) WEB end video monitoring adopts ActiveX control mode, a terminal of single control reception demonstrationVideo. Two transmission channel: the one, signal(UDP+XML have communicated by letter with server end) be mainly used forThe signalling (the WEB end of information issuing system is communicated by letter with server end signaling) of monitoring; The 2nd, RTP connectsRating audio data.
No matter terminal with server end or WEB end and server end between communicating by letter, signalling withThe transmission of RTP data divides different passages, and when having ensured monitoring data transmission, also not impact information is issuedSignalling and control.
The other technologies feature of above-mentioned a kind of information issuing system and looking of a kind of information issuing system of the present inventionFrequently method for supervising is identical, and it will not go into details herein.
Can find out by above scheme, information issuing system of the present invention and video frequency monitoring method thereof, pass throughLong-distance Control server receives WEB and holds the control information sending, and processes and is transmitted to according to informationTerminal; The also return information of receiving terminal of while, processes return information, thereby it is real to have realized terminalTime video monitoring and the information combination of issuing. After application the solution of the present invention, user can show by real-time monitoring terminalField scene and terminal plays real time status, check that whether actual Long-distance Control reaches re-set target, has facilitated pipeReason personnel's maintenance terminal display screen; And show up and patrol and the independent video of installing without personnel in the present inventionMonitoring system, thus human cost and hardware cost spending saved greatly.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed,But can not therefore be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that for this areaThose of ordinary skill, without departing from the inventive concept of the premise, can also make some distortion andImprove, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be with appendedClaim is as the criterion.
Claims (9)
1. a video frequency monitoring method for information issuing system, is characterized in that, described information issuing system bagDraw together terminal, server end and WEB end, described method for supervising comprises the following steps:
Starting corresponding listening port monitors; Described listening port comprises: UDP listening port, SIPCOM1 and RTP listening port; For monitoring, WEB end sends over described UDP listening portControl signal; Described SIP COM1 is the return information to terminal and receiving terminal for forwarding information; InstituteState the video data that RTP listening port is uploaded for monitor terminal, and turn according to the monitoring request of WEB endSend out video data to each WEB end;
When receiving after the beginning terminal monitoring signaling sending when WEB end starts, by described beginning terminal prisonControl signaling is transmitted to corresponding terminal by Session Initiation Protocol, and distributes to the ActiveX control of corresponding WEB endA RTP transmit port, sets up new RTP session, and this session information is saved in to a session informationIn the middle of queue, the port of then RTP is communicated by letter IP and distribution returns to WEB end;
Receive the ActiveX control timing of described WEB end to the end of described RTP communication IP and port transmissionEnd number, resolves the RTP communication IP and the port that obtain this ActiveX control, and described in being recorded toIn session information queue, use this RTP communication IP and port as the RTP video data that forwards terminalPassage;
Receiving terminal carries out video data acquiring, compression coding and adds according to described beginning terminal monitoring signalingRTP packet after terminal number, parses terminal number and video data respectively, according to described terminal numberFind out RTP communication IP and the port numbers of corresponding A ctiveX control in described session information queue, and described in inciting somebody to actionVideo data is transmitted to corresponding A ctiveX control by Real-time Transport Protocol.
2. the video frequency monitoring method of information issuing system according to claim 1, is characterized in that,Before starting corresponding listening port, also comprise step:
Each terminal starts backward server end and registers.
3. the video frequency monitoring method of information issuing system according to claim 1, is characterized in that,After described video data is transmitted to corresponding A ctiveX control by Real-time Transport Protocol, also comprise step:
When the ActiveX control of WEB end receives after described video data, the described video data aobvious of decodingBe shown on this WEB end.
4. the video frequency monitoring method of information issuing system according to claim 3, is characterized in that, alsoComprise step: hold when receiving one of them WEB stopping after terminal monitoring signaling of sending, destruction correspondenceRTP session, and judge whether also to exist other WEB ends in this terminal of monitoring; If not, send out to this terminalSend and stop terminal monitoring signaling.
5. according to the video frequency monitoring method of the information issuing system described in claim 1-4 any one, its spyLevy and be, the process of described interpolation terminal number comprises: add terminal number front 128 of described RTP packet toPosition, deposits video data since 129.
6. an information issuing system, is characterized in that, comprising: terminal, server end and WEB end,Described server end comprises: Long-distance Control server;
Described Long-distance Control server comprises:
Port is monitored module, monitors for starting corresponding listening port; Described listening port comprises:UDP listening port, SIP COM1 and RTP listening port; Described UDP listening port is for monitoringWEB holds the control signal sending over; Described SIP COM1 is whole to terminal and reception for forwarding informationThe return information of end; The video data that described RTP listening port is uploaded for monitor terminal, and according to WEBThe monitoring request forwarding video data of end is given each WEB end;
Signaling forwards and port assignment module, for the beginning terminal sending in the time receiving the startup of WEB endAfter monitoring signaling, described beginning terminal monitoring signaling is transmitted to corresponding terminal by Session Initiation Protocol, and givesThe ActiveX control of corresponding WEB end distributes a RTP transmit port, sets up new RTP session, andThis session information is saved in the middle of a session information queue to the port of then RTP is communicated by letter IP and distributionReturn to WEB end;
Parsing module, for the ActiveX control timing that receives described WEB end to described RTP communication IPWith the terminal number data that port sends, resolve the RTP communication IP and the port that obtain this ActiveX control,And be recorded in described session information queue, use this RTP communication IP and port as the RTP that forwards terminalThe passage of video data;
Video data forwarding module, carries out video counts for receiving terminal according to described beginning terminal monitoring signalingAccording to collection, compression coding and add the RTP packet after terminal number, terminal number and video data are separated respectivelySeparate out, the RTP that finds out corresponding A ctiveX control in described session information queue according to described terminal number is logicalLetter IP and port numbers, and described video data is transmitted to corresponding A ctiveX control by Real-time Transport Protocol.
7. information issuing system according to claim 6, is characterized in that, described server end also wrapsDraw together:
Registrar, the information of the registration request sending over for office terminal login connected system, entersRow authentication operations;
File server, the media file of uploading for store and management user, the playlist of generation and eachPlant log information;
Database server, for depositing user profile, media information, operation information;
WEB server, for responding user's operation of WEB end, sends to operation signaling described long-rangeControl Server;
Streaming media server, for streaming protocol, video file being transferred to WEB end, sees online for userSee.
8. information issuing system according to claim 7, is characterized in that, described WEB end is used forCommunicate by the WEB server end in http protocol and server, manage whole information issuing system.
9. information issuing system according to claim 7, is characterized in that, described terminal is used for to instituteState registrar and register, and communicate with described Long-distance Control server, receive described long-range controlThe control instruction of control server and data; And content play and the parameter setting of control LED/LCD screen.
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| CN103347203A (en) * | 2013-06-18 | 2013-10-09 | 安科智慧城市技术（中国）有限公司 | Information release system and method for monitoring embedded terminal of information release system |
| CN103546554A (en) * | 2013-10-18 | 2014-01-29 | 浪潮齐鲁软件产业有限公司 | Implementation method of central information release for tax service hall integrated screens |
| CN103997623B (en) * | 2014-05-06 | 2017-05-03 | 四川长虹电器股份有限公司 | video monitoring method based on P2P technology |
| CN104469404B (en) * | 2014-12-05 | 2018-02-16 | 统云信息科技有限公司 | The remote batch control method for playing back of LED display and LCD liquid crystal display screen |
| CN108243162B (en) * | 2016-12-26 | 2020-12-04 | 大唐移动通信设备有限公司 | SIP (Session initiation protocol) registration method and device |
| CN107071521B (en) * | 2017-04-26 | 2020-07-14 | 西安诺瓦星云科技股份有限公司 | Video processing device and input/output video signal remote monitoring method thereof |
| CN112188227A (en) * | 2020-09-30 | 2021-01-05 | 武汉中科通达高新技术股份有限公司 | Streaming media data distribution method and device |
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| CN101795399A (en) * | 2010-03-10 | 2010-08-04 | 深圳市同洲电子股份有限公司 | Monitoring agency system, vehicle-mounted monitoring device and vehicle-mounted digital monitoring system |
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