CN109831681A - Display screen monitoring system and monitoring method - Google Patents
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Abstract
This application discloses a kind of display screen monitoring system and monitoring methods.Display screen monitoring system includes display screen, plays display information；Local service end, push display information to display screen, and coded data is converted by display synchronizing information；Monitoring client is decoded coded data to obtain simultaneous display information；And cloud server terminal, for storing the simultaneous display information uploaded by monitoring client, coded data is one-way transmitted to monitoring client by local service end.The display screen monitoring system and monitoring method pass through unidirectional data transmission to monitoring client and will show that information is uploaded to cloud server terminal, user, which logs in cloud server terminal by client, may be implemented the broadcasting situation of real time monitoring display screen or display position, it meets display screen or shows the demand for security of position broadcast information, improve monitoring efficiency.
Description
Technical field
The present invention relates to the monitoring technology fields of display screen, more particularly, to display screen monitoring system and monitoring method.
Background technique
With information-based development, display screen is widely used in screen information issuing system to show image, text and view
The information such as frequency, become the essential display equipment in the fields such as industry, traffic, commercial advertisement, information publication, sports tournament.
In response to meet national policy regulatory requirement, and display screen is effectively prevent to pass through netcast error message
Bad social influence is caused, the play system of part outdoor display screen is using localization play system.As shown in Figure 1, local clothes
Business end 110 pushes display information to LED display 120, and display screen or display position carry out the broadcasting of display information.Above-mentioned local clothes
End 110 be engaged in without network connection, the display information being preset in local service end 110 uploads load and dimension by artificial scene
Shield, crowded and/or important geographical location place is for example arranged in LED display 120, it is possible to prevente effectively from LED is shown
Screen causes bad social influence by netcast error message.
Currently, user 300 checks that the approach of the broadcasting situation of LED display 120 is main in display screen monitoring system 100
Including two kinds, one is users 300 to check on the spot, and one is install high-definition network in 120 front of LED display or front
Camera 131, user 300 access the camera 131 by client 140 and check and the broadcasting situation of monitoring display screen.However
Installation high definition network head increases additional operation cost, the inefficiency manually checked and monitored on the spot.
Therefore, expect to provide the monitoring system and monitoring method of a kind of display screen, it can be under the playing environment of no network
Realize that user plays the real time monitoring of situation to display screen.
Summary of the invention
In view of this, the present invention proposes a kind of display screen monitoring system, to realize user under the playing environment of no network
The real time monitoring of situation is played to display screen.
According to an aspect of the present invention, a kind of display screen monitoring system is provided, comprising: display screen plays display information；This
Ground server-side, the push display information to the display screen, and coded data is converted by the display synchronizing information；Monitoring
End, is decoded the coded data to obtain simultaneous display information；And cloud server terminal, for storing by the monitoring client
The simultaneous display information uploaded, client, for accessing the simultaneous display information in the cloud server terminal,
Wherein, the coded data is one-way transmitted to the monitoring client by the local service end.
Optionally, the local service end and external network physical isolation.
Optionally, the local service end includes: display information sending module, connects the display screen, and being used for will be described
Display information pushes to the display screen；And coding module, it is connect with the display information sending module, for that will push to
The display synchronizing information of the display screen is converted into the coded data.
Optionally, the coding module includes: sampling unit, is sampled to the display information, to obtain and store
Sampled data；And processing unit, each frame image data of the sampled data is split to obtain multiple macroblock numbers
According to, and compressed and encoded to generate the coded data as basic unit using the macro block data.
Optionally, the processing unit includes: first processing units, each frame image data is horizontally divided into more
A sheet data；And the second processing unit, the multiple sheet data is longitudinally split at the macro block data.
Optionally, the sampling unit samples to adopt described in acquisition the brightness of the display information and/or coloration
Sample data.
Optionally, the monitoring client includes: decoder module, for decoding the coded data and obtaining the simultaneous display
Information；And network module, the cloud server terminal is connected, the simultaneous display information is uploaded to institute according to default communication protocol
State cloud server terminal.
Optionally, described further include: encrypting module connects the coding module, concurrent for encrypting the coded data
It send to the monitoring client；And deciphering module, the encrypting module is connected, when the local service end and the monitoring client are established
When data connection, receives the data that the encrypting module is sent and decryption obtains the coded data.
Optionally, local service end request sends data, the first public key encryption sent according to the monitoring client the
One key is simultaneously sent, and establishes data connection with the monitoring client.
Optionally, the transmission request of data that the monitoring client receives that the local service end issues sends the first public key, with
And decrypt to obtain first key and store according to the first private key, data connection is established with the local service end.
Optionally, it is encoded according to the first key one-way transmission between the local service end and the monitoring client
Data.
Optionally, the first key is generated by symmetry algorithm, and first public key and first private key pass through non-
Symmetry algorithm generates, and first public key and first private key match.
Optionally, the monitoring client is independent the network equipment, and the communication protocol passes through the monitoring client network-driven
Program Generating.
Optionally, user by client realize certification between the user and the cloud server terminal, login, browsing,
Authorization.
Optionally, the client is selected from any one of stand alone software, client application end, webpage.
Optionally, by internet, offer comprises at least one of the following cloud computing service to the cloud server terminal: based on distribution
Calculation, parallel computation, effectiveness calculating, network storage, object storage, data storage, container service, virtualization, load balancing, message
Service.
Optionally, the local service end be selected from desktop computer, laptop, embedded device it is any.
Optionally, the display screen is selected from LED display, OLED display screen, LCD display, electric ink display screen
In any one.According to another aspect of the present invention, a kind of display monitoring method is provided, including display screen plays local service
Hold the display information of push；Information is shown described in the synchronous coding of the local service end and one-way transmission coded data extremely monitors
End；The monitoring client, which is decoded the coded data, to be obtained simultaneous display information and uploads the simultaneous display information；Cloud
Server-side stores and uploads the simultaneous display information；And
The simultaneous display information is accessed by client.Optionally, the local service end one-way transmission coded data
It include: that the request of local service end sends data to the step of monitoring client；Local service end send first key and with monitoring
Data connection is established at end；And local service end sends coded data to the monitoring client according to the first key.
Optionally, the step of local service end sends first key and establishes data connection with monitoring client includes: institute
It states monitoring client and receives the request Concurrency that the local service end issues and go out the first public key；The local service end is according to described first
First key described in public key encryption is simultaneously sent；The monitoring client is decrypted to obtain the first key and be stored according to the first private key；
The local service end and the monitoring client establish data connection, wherein first public key matches with first private key.
Display screen monitoring system according to an embodiment of the present invention, local service end are pushed away without network connection by artificial scene
It send display information to display screen, effectively prevents display screen or display position by netcast error message and cause bad society
It influences.And local service end unidirectional data transmission is uploaded to cloud server terminal to monitoring client and by display information, and user passes through visitor
Family end logs in cloud server terminal and real time monitoring display screen may be implemented or show the broadcasting situation of position, and meets display screen or display
The demand for security of position broadcast information, improves monitoring efficiency.
Preferably, unidirectional data transmission is realized by unidirectional encryption and decryption mode between local service end and monitoring client.
Detailed description of the invention
Description by referring to the following drawings to the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from.
Fig. 1 shows the schematic block diagram of display screen monitoring system according to prior art.
Fig. 2 shows the schematic block diagrams of display screen monitoring system according to an embodiment of the present invention.
Fig. 3 shows the flow chart of display screen monitoring method according to an embodiment of the present invention.
Fig. 4 shows the flow chart of unidirectional data transmission in display panel control method according to an embodiment of the present invention.
Specific embodiment
Hereinafter reference will be made to the drawings, and the present invention will be described in more detail.In various figures, identical element is using similar attached
Icon is remembered to indicate.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.Furthermore, it is possible to be not shown certain
Well known part.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
Fig. 2 shows the schematic block diagrams of display screen monitoring system according to an embodiment of the present invention.
The display screen monitoring system 200 includes local service end 210, display screen 220, monitoring client 230, cloud server terminal 240
And client 250.
Local service end 210 includes coding module 211, display information sending module 212 and encrypting module 213, display
Preset display information is for example manually loaded by wired mode and pushes to display screen 220 by information sending module 212, wherein
Show in information sending module 212 preset display information for example from the information broadcasting system in local service end 210 (in figure not
Show) it obtains, it shows for example direct-connected by winding displacement between information sending module 212 and display screen.Display screen will show that information exists
Display screen or display position play.211 synchronous coding of coding module connecting simultaneously with display information sending module 212 pushes to
The display information of display screen 220, coding module 211 carry out conversion, the pressure of image data by preset algorithm to display information
Contracting processing.Specifically, coding module 211 includes sampling unit and processing unit, and sampling unit is to image data in display information
Brightness, coloration sampled respectively, obtain and store sampled data, each frame image data of the processing unit to sampled data
It is split and obtains multiple macro block datas, and generation coded data is compressed and encoded using macro block data as basic unit.More
Further, processing unit includes first processing units and the second processing unit, and first processing units are by each frame image data
Multiple sheet datas are horizontally divided into, the second processing unit is longitudinally split at multiple macro block datas by multiple sheet datas, and passes through frame
Between and intraframe data compress technique to display information image data carry out compression processing coding after obtain display information volume
Code data.When local service end 210 is issued to monitoring client 230 sends request of data, local service end 210 and monitoring client 230
Between establish data connection, further local service end 210 passes through the coded number that encrypting module 213 exports coding module 211
According to encryption.
It should be noted that in the present embodiment local service end 210 include but is not limited to desktop computer, laptop,
The electronic equipments such as embedded device, local service end 210 and external network physical isolation, without function of surfing the Net.Display screen 220
Any one such as in LED display, OLED display screen, LCD display, electric ink display screen.Show that information includes
The information such as image, text and video
Monitoring client 230 is for example connected in series the encrypting module 213 at local service end 210, and monitoring client 230 includes decoder module
231, network module 232 and deciphering module 233 have the function of that decoding and data upload network, and coding module 211 will be to aobvious
Show that coded data that information obtain after coding compression is one-way transmitted to decoder module 231, decoder module 231 is by coded data
Simultaneous display information is obtained after being decoded is transmitted to network module 232.Specifically, coding module 211 passes through encrypting module 213
Coded data is sent to decoding after the decryption of deciphering module 233 to deciphering module 233 by the coded data of unidirectional serial transmission encryption
Module 231, above-mentioned data transfer mode are point-to-point one-way transmission, and coded data is for example assisted according to serial communication as unit of frame
Via some transmission medium, frame data are stored after capturing the frame data comprising coded data and to them view by decoder module 231
It is decoded processing, which is the inverse process of above-mentioned cataloged procedure, and decoded simultaneous display information passes through network mould
Block 232 transmits, and wherein serial communication protocol is generated by the network driver in monitoring client 230 according to rule.It needs to illustrate
It is that monitoring client 230 for example can be the independent network equipment, by the coded data decoding process of 210 one-way transmission of local service end
The simultaneous display information of acquisition is uploaded to cloud server terminal 240.Wherein unidirectional data transmission can for example pass through unidirectional encryption and decryption
Mode realizes data that a reception data transmitter interface issues, without the function of return data to sender interface.Specifically
Ground, when local service end 210 is issued to monitoring client 230 sends request of data, between local service end 210 and monitoring client 230
Data connection is established, and further local service end 210 is transmitted to monitoring client after coded data being encrypted by encrypting module 213
230 deciphering module 233, deciphering module 233 obtains coded data after decrypting, and coded data is sent to decoder module 231
To realize the one-way transmission of data between local service end 210 and monitoring client 230.
Cloud server terminal 240 be based on internet and can provide distributed computing, parallel computation, effectiveness calculating, network storage,
The common network service of the cloud computing services such as object storage, data storage, container service, virtualization, load balancing, messaging service
Platform, cloud server terminal 240 receive the simultaneous display information that monitoring client 230 uploads and simultaneously store, and optionally, cloud server terminal 240 can be with
The operations such as virtualization process are carried out to simultaneous display information and obtain the effect video data and/or effect picture of the display information.
User 300 can log in cloud server terminal 240 by client 250, check and monitor in real time display screen 220 or display
The broadcasting situation of position.Wherein, user 300 includes but is not limited to the display screen owner, display screen permit holder, shows position permit holder,
Client 250 includes but is not limited to stand alone software, the client application end (APP), webpage of corresponding exploitation, for realizing user in cloud
Certification/login/browsing/authorization of server-side 240 etc..Wherein user 300 logs in cloud server terminal 240 by client 250 and accesses
Corresponding display screen 220 or show position display information the specific steps are known to those skilled in the art, herein no longer specifically
It is bright.
In the present embodiment, local service end 210 is integrated in encrypting module 213, decryption mould fast 233 is integrated in monitoring client
For 230, the mode of unidirectional output data between local service end 210 and monitoring client 230 has been described in detail, however the present invention is also
One-way transmission number between the two can be realized by connecting a deciphering chip between local service end 210 and monitoring client 230
According to.
Display screen monitoring system proposed by the present invention, the coding that local service end is transmitted by the decoder module of monitoring client
Data are decoded to obtain simultaneous display information, and simultaneous display information is uploaded to cloud service by the network module of monitoring client
End, user log in cloud server terminal by client to monitor display screen in real time or show the broadcasting situation of position.
Preferably, local service end is effectively avoided without network connection by artificial scene push display information to display screen
Display screen by netcast error message causes bad social influence.And local service end unidirectional data transmission is extremely supervised
Display information is simultaneously uploaded to cloud server terminal by control end, and client may be implemented and monitor display screen in real time or show the broadcasting situation of position,
The demand for security of display screen broadcast information is met again.
Fig. 3 shows the flow chart of display screen monitoring method according to an embodiment of the present invention.
As shown in figure 3, present embodiments providing a kind of monitoring of display screen broadcasting situation based on display screen monitoring system
Method.
In step slo, local service end starts.Start local service end 210 in relevant display screen playout software/into
Journey.
In step S20, display screen or display position play the display information that local service end pushes.Local service end 210
Preset display information is pushed into display screen 220, display information is shown into broadcasting on display screen or display position.
In step s 30, local service end synchronous coding shows information and one-way transmission coded data to monitoring client.It is local
The display information for pushing to display screen 220 is passed through coding and the encryption of coding module 211 and encrypting module 213 by server-side 210
Afterwards unidirectional serially-transmitted data to monitoring client 230 decoder module 211.
Specifically, the step of unidirectional data transmission is as shown in Figure 4.
In step S31, the request of local service end sends data.Local service end 210 is to the monitoring client 230 being attached thereto
Issue request.
In step s 32, monitoring client receives request Concurrency and send the first public key.Monitoring client 230 receives the hair of local service end 210
Request out, and the first public key is issued to local service end 210, wherein the first public key is for example generated by asymmetric arithmetic RSA.
Specifically, monitoring client 230 the first public key is for example generated by asymmetric arithmetic RSA and is matched with the first public key first
Private key.
In step S33, local service end utilizes the first public key by first key encrypting and transmitting.Local service end 210
The first key that is for example generated by symmetry algorithm AES of the first public key encryption that is sent using monitoring client 230 of encrypting module 213 simultaneously
It is sent to monitoring client 230.
In step S34, monitoring client is decrypted to obtain first key and be stored using the first private key.The decryption of monitoring client 230
Module 233 is decrypted to obtain first key and be stored using the first private key inside monitoring client 230.
In step s 35, local service end and monitoring client establish data connection.
In step S36, local service end is using first key encryption display information and sends.310 benefit of local service end
Coded data and transmission with first key by the output of 213 scrambled module 212 of encrypting module.
In step S37, monitoring client decrypts received data using first key.233 benefit of deciphering module of monitoring client 230
It decrypts to obtain coded data with the first key that monitoring client 230 stores and is transmitted to decoder module 231.
In step S38, judge whether successful decryption.Judge whether the deciphering module 233 in monitoring client 230 is decrypted into
Function, when 233 successful decryption of deciphering module obtains coded data, monitoring client can continue to execute step S36, wait next
Data transmission；When for example decryption obtains messy code for the decryption of deciphering module 233 failure, step S39, local service end and monitoring are executed
Hold turn-off data connection.
After 210 one-way transmission coded data to monitoring client 230 of local service end, in step s 40, monitoring client is decoded simultaneously
Transmission display information.The deciphering module 233 of monitoring client 230 is by the decoding mould of the coded data transmission after decryption to monitoring client 230
Block 231, the decoding of decoder module 231 obtain simultaneous display information, and decoder module 231 is by simultaneous display information via network module
232 transmission, simultaneous display information include the display information that local service end 210 pushes to display screen 220.
In step s 50, cloud server terminal obtains simultaneous display information.The net of the network connection monitoring client 230 of cloud server terminal 240
Network module 232 stores the simultaneous display information uploaded by network module 232.
In step S60, user, which monitors in real time, plays situation.User 300 logs in cloud server terminal 240 by client 250
Monitor the broadcasting situation of display screen 220 in real time.
In the above-described embodiment, display screen monitoring system of the invention is illustrated using LED display as example.However,
The invention is not limited thereto.The display screen used in the monitoring system can be shown selected from LED display, OLED display screen, LCD
Screen, any one in electric ink display screen.
Although the embodiment of the present invention is disclosed as above with preferred embodiment, its be not for limiting claim, it is any
Those skilled in the art without departing from the spirit and scope of the present invention, can make possible variation and modification, therefore this
The protection scope of invention should be subject to the range that the claims in the present invention are defined.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For, the invention can have various changes and changes.All any modifications made within the spirit and principles of the present invention are equal
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (21)
1. a kind of display screen monitoring system characterized by comprising
Display screen plays display information；
Local service end, the push display information to the display screen, and coded number is converted by the display synchronizing information
According to；
Monitoring client is decoded the coded data to obtain simultaneous display information；And
Cloud server terminal, for storing the simultaneous display information uploaded by the monitoring client；
Client, for accessing the simultaneous display information in the cloud server terminal,
Wherein, the coded data is one-way transmitted to the monitoring client by the local service end.
2. display screen monitoring system according to claim 1, which is characterized in that the local service end and external network object
Reason isolation.
3. display screen monitoring system according to claim 1, which is characterized in that the monitoring client includes:
Decoder module, for decoding the coded data and obtaining the simultaneous display information；And
Network module connects the cloud server terminal, and the simultaneous display information is uploaded to the cloud according to default communication protocol
Server-side.
4. display screen monitoring system according to claim 3, which is characterized in that the local service end includes:
It shows information sending module, the display screen is connected, for the display information to be pushed to the display screen；And
Coding module is connect with the display information sending module, for that will push to the display information of the display screen
It synchronizes and is converted into the coded data.
5. display screen monitoring system according to claim 4, which is characterized in that the coding module includes:
Sampling unit samples the display information, to obtain and store sampled data；And
Processing unit is split each frame image data of the sampled data to obtain multiple macro block datas, and with institute
Stating macro block data is that basic unit is compressed and encoded to generate the coded data.
6. display screen monitoring system according to claim 5, which is characterized in that the processing unit includes:
Each frame image data is horizontally divided into multiple sheet datas by first processing units；And
The second processing unit, the multiple sheet data is longitudinally split at the macro block data.
7. display screen monitoring system according to claim 5, which is characterized in that the sampling unit is believed according to the display
The brightness of breath and/or coloration are sampled to obtain the sampled data.
8. display screen monitoring system according to claim 4, which is characterized in that further include:
Encrypting module connects the coding module, for encrypting the coded data and being sent to the monitoring client；And
Deciphering module connects the encrypting module, when data connection is established with the monitoring client in the local service end, receives
The data and decryption that the encrypting module is sent obtain the coded data.
9. display screen monitoring system according to claim 8, which is characterized in that the local service end request sends number
According to, according to the monitoring client send the first public key encryption first key and send, establish data connection with the monitoring client.
10. display screen monitoring system according to claim 9, which is characterized in that the monitoring client receives the local clothes
The transmission request of data that end issues of being engaged in sends the first public key, and decrypts to obtain first key and store according to the first private key, with
Data connection is established at the local service end.
11. display screen monitoring system according to claim 10, which is characterized in that the local service end and the monitoring
The coded data according to the first key one-way transmission between end.
12. display screen monitoring system according to claim 10, which is characterized in that the first key passes through symmetry algorithm
It generates, first public key and first private key are generated by asymmetric arithmetic, first public key and first private key
Match.
13. display screen monitoring system according to claim 8, which is characterized in that the monitoring client is independent network and sets
Standby, the communication protocol is generated by the monitoring client network driver.
14. display screen monitoring system according to claim 1, which is characterized in that user realizes the use by client
Certification, login, browsing, authorization between family and the cloud server terminal.
15. display screen monitoring system according to claim 14, which is characterized in that the client be selected from stand alone software,
Any one of client application end, webpage.
16. display screen monitoring system according to claim 1, which is characterized in that the cloud server terminal is mentioned based on internet
For comprising at least one of the following cloud computing service: distributed computing, parallel computation, effectiveness calculating, network storage, object storage,
Data storage, container service, virtualization, load balancing, messaging service.
17. display screen monitoring system according to claim 1, which is characterized in that the local service end is selected from desktop
Brain, laptop, embedded device it is any.
18. display screen monitoring system according to claim 1, which is characterized in that the display screen is to show selected from LED
Screen, OLED display screen, LCD display, any one in electric ink display screen.
19. a kind of display screen monitoring method characterized by comprising
Display screen plays the display information of local service end push；
Show information and one-way transmission coded data to monitoring client described in the synchronous coding of the local service end；
The monitoring client, which is decoded the coded data, to be obtained simultaneous display information and uploads the simultaneous display information；
Cloud server terminal stores and uploads the simultaneous display information；And
The simultaneous display information is accessed by client.
20. display screen monitoring method according to claim 19, which is characterized in that local service end one-way transmission is compiled
Code data to the step of monitoring client include:
The request of local service end sends data；
Local service end sends first key and establishes data connection with monitoring client；And
Local service end sends coded data to the monitoring client according to the first key.
21. display screen monitoring method according to claim 20, which is characterized in that it is close that the local service end sends first
Key and the step of establishing data connection with monitoring client includes:
The monitoring client receives the request Concurrency that the local service end issues and goes out the first public key；
Local service end first key according to first public key encryption is simultaneously sent；
The monitoring client is decrypted to obtain the first key and be stored according to the first private key；
The local service end and the monitoring client establish data connection,
Wherein, first public key matches with first private key.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304512A (en) * | 2019-07-15 | 2019-10-08 | 广州广日电梯工业有限公司 | Elevator display screen realizes the method and system of monitoring |
| CN111083531A (en) * | 2020-01-08 | 2020-04-28 | 北京双旗世纪科技有限公司 | Display equipment monitoring method and system |
| CN112711781A (en) * | 2021-01-14 | 2021-04-27 | 合肥京东方光电科技有限公司 | Information encryption and decryption method, device, equipment and medium based on display screen |
| CN114710349A (en) * | 2022-04-01 | 2022-07-05 | 北京良辰光启数字技术有限公司 | Monitoring method and device based on broadcast control system |
| CN114710420A (en) * | 2022-04-14 | 2022-07-05 | 广州形银科技有限公司 | Hybrid network monitoring system based on active network technology |
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| CN110304512A (en) * | 2019-07-15 | 2019-10-08 | 广州广日电梯工业有限公司 | Elevator display screen realizes the method and system of monitoring |
| CN110304512B (en) * | 2019-07-15 | 2021-04-20 | 广州广日电梯工业有限公司 | Method and system for monitoring elevator display screen |
| CN111083531A (en) * | 2020-01-08 | 2020-04-28 | 北京双旗世纪科技有限公司 | Display equipment monitoring method and system |
| CN112711781A (en) * | 2021-01-14 | 2021-04-27 | 合肥京东方光电科技有限公司 | Information encryption and decryption method, device, equipment and medium based on display screen |
| CN114710349A (en) * | 2022-04-01 | 2022-07-05 | 北京良辰光启数字技术有限公司 | Monitoring method and device based on broadcast control system |
| CN114710420A (en) * | 2022-04-14 | 2022-07-05 | 广州形银科技有限公司 | Hybrid network monitoring system based on active network technology |
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