CN111669391B - Network system and data interaction device thereof - Google Patents
Network system and data interaction device thereof Download PDFInfo
- Publication number
- CN111669391B CN111669391B CN202010498852.3A CN202010498852A CN111669391B CN 111669391 B CN111669391 B CN 111669391B CN 202010498852 A CN202010498852 A CN 202010498852A CN 111669391 B CN111669391 B CN 111669391B
- Authority
- CN
- China
- Prior art keywords
- image
- side controller
- sound wave
- data
- output device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003993 interaction Effects 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 76
- 238000004891 communication Methods 0.000 claims description 26
- 238000002955 isolation Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 238000012795 verification Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- User Interface Of Digital Computer (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The application discloses a network system and a data interaction device thereof. The network system comprises an internal network and an external network, and the data interaction device is used for realizing data interaction of the internal network and the external network. The data interaction device comprises: the device comprises an image outputter, an acoustic wave sensor, a first side controller, an acoustic wave outputter, an image sensor and a second side controller; the first side controller outputs image information through the image outputter, the second side controller collects and analyzes transmission data in the image information of the image outputter through the image sensor, the second side controller outputs sound wave information containing instruction data through the sound wave outputter according to the transmission data in the image information from the first side controller, and the first side controller collects and analyzes the transmission data in the sound wave information of the sound wave outputter through the sound wave sensor. The network system and the data interaction device thereof have the advantages that the network system and the data interaction device thereof are provided, and the data transmission integrity and the transmission efficiency are improved based on image transmission and sound feedback.
Description
Technical Field
The present disclosure relates to a network system and a data interaction device thereof, and more particularly, to a network system and a data interaction device thereof capable of implementing physical isolation.
Background
Currently, many enterprises or government agencies are equipped with internal dedicated computers or systems for storing confidential content. Typically, an internal dedicated computer or system cannot be directly connected to an external network and physical isolation must be implemented. Physical isolation of internal dedicated computers or systems is an effective security measure, but also creates difficulties in the exchange of information between networks. In order to realize information exchange between physically isolated networks, various isolation exchange technologies and products, such as isolation cards, gatekeepers, etc., are developed.
Under the condition of safe isolation of the internal network and the external network, data interaction can not be directly carried out between the internal network and the external network, and transmitted data is processed by products such as an isolation card or a network gate and the like so as to ensure that the data transmitted between the internal network and the external network is safe.
However, in the prior art, when physical isolation is realized, data loss and low transmission rate often occur in data transmitted after data is isolated.
Disclosure of Invention
A data interaction device, comprising: an image outputter for outputting image information; the acoustic wave sensor is used for acquiring acoustic wave information; the first side controller is used for forming communication connection with a first network needing isolation; the acoustic wave output device is used for outputting acoustic wave information to the acoustic wave sensor; an image sensor for acquiring image information of the image outputter; the second side controller is used for forming communication connection with a second network needing isolation; the image output device and the sound wave sensor are respectively connected to the first side controller in a communication mode; the sound wave output device and the image sensor are respectively connected to the second side controller in a communication mode; the first side controller outputs image information through the image output device, the image information output by the image sensor is derived from the first side controller, the second side controller collects and analyzes transmission data in the image information of the image output device through the image sensor, the second side controller outputs sound wave information containing instruction data through the sound wave output device according to the transmission data in the image information derived from the first side controller, the sound wave information output by the sound wave output device is derived from the second side controller, and the first side controller collects and analyzes the transmission data in the sound wave information of the sound wave output device through the sound wave sensor.
Further, the image information output by the image outputter includes a two-dimensional code.
Further, the image information output by the image output device comprises a sun code.
Further, the image output device includes a display.
Further, the sound wave output device includes a buzzer.
As another aspect of the present application, there is provided a network system including: an internal network having an intranet line; an external network having an external network line; the data interaction device is arranged between the internal network and the external network to realize data transmission between the internal network and the external network; the data interaction device comprises an intranet circuit, an extranet circuit and a data interaction device, wherein the intranet circuit and the extranet circuit are respectively connected to the data interaction device in a communication mode; the data interaction device comprises: an image outputter for outputting image information; the acoustic wave sensor is used for acquiring acoustic wave information; the first side controller is used for forming communication connection with one of an internal network or an external network; the acoustic wave output device is used for outputting acoustic wave information to the acoustic wave sensor; an image sensor for acquiring image information of the image outputter; the second side controller is used for forming communication connection with the other one of the internal network or the external network; the image output device and the sound wave sensor are respectively connected to the first side controller in a communication mode; the sound wave output device and the image sensor are respectively connected to the second side controller in a communication mode; the first side controller outputs image information through the image outputter, the second side controller collects and analyzes transmission data in the image information of the image outputter through the image sensor, the second side controller outputs sound wave information containing instruction data through the sound wave outputter according to the transmission data of the image information from the first side controller, and the first side controller collects and analyzes the transmission data in the sound wave information of the sound wave outputter through the sound wave sensor.
Further, the first-side controller is physically connected with the intranet line.
Further, the second side controller is physically connected with the external network line.
Further, the intranet line serves as a transmitting end for transmitting data.
Further, the external network line serves as a receiving end for transmitting data.
As another aspect of the present application, there is provided a data interaction method, including the steps of: converting the transmission data into image information; collecting image information; analyzing and restoring the transmission data according to the image information; judging whether the transmission data meet the conditions; outputting instruction data according to the judgment result of the transmission data; converting the instruction data into sound wave information; collecting sound wave information; and analyzing and restoring the instruction data according to the sound wave information.
Further, the judging whether the transmission data satisfies the condition includes: and judging whether the transmission data is complete or not. And generating verification codes for the transmission data according to a hash algorithm and synchronously transmitting the verification codes, and comparing whether the verification codes are consistent or not by the receiving end according to the same algorithm so as to judge the integrity of the data.
Further, the judging whether the transmission data satisfies the condition includes: it is determined whether transmission data has been transmitted.
Further, the instruction data includes an instruction representing data transmission wait.
Further, the instruction data includes an instruction representing that the data transfer is incomplete.
Further, the instruction data includes an instruction representing a data transfer repetition.
As another aspect of the present application, a data sending end control method suitable for network physical isolation is provided, including the following steps: judging whether transmission data needing to be sent exist or not; producing and displaying an image according to the transmission data; detecting and collecting sound wave information and acquiring instruction data in the sound wave information; and executing the program corresponding to the corresponding instruction data.
As another aspect of the present application, a data receiving end control method suitable for network physical isolation is provided, including the following steps: collecting image data; analyzing and restoring the transmission data according to the image information; judging whether the transmission data meet the conditions; outputting instruction data according to the judgment result of the transmission data; and converting the instruction data into sound wave information and outputting the sound wave information.
As another aspect of the present application, there is provided a data interaction method, including the steps of: converting transmission data to be sent into image information; converting instruction data to be fed back into sound wave information; acquiring image information to acquire transmission data; collecting sound wave information to obtain instruction data; the generation of image information and the storage of transmission data are controlled by instruction data.
Further, the image information includes a two-dimensional code.
The application has the advantages that: a network system and a data interaction device thereof are provided, which improve the integrity of data transmission and improve the transmission efficiency based on image transmission and sound feedback.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a block diagram illustrating the structure of a network system according to one embodiment of the present application;
FIG. 2 is a block diagram illustrating an exemplary configuration of a data interaction device according to an embodiment of the present application;
FIG. 3 is a block diagram schematically illustrating a structure of a data interaction device according to another embodiment of the present application;
fig. 4 is a schematic block diagram of steps of a control method of a data transmitting end according to an embodiment of the present application;
FIG. 5 is a block diagram illustrating steps of a method for controlling a data receiving end according to an embodiment of the present application;
FIG. 6 is a data interaction method according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the network system includes: an internal network, an external network and a data interaction device.
The internal network is provided with an intranet circuit for transmitting data to the data interaction device; the external network is provided with an external network line for transmitting data to the data interaction device. The data interaction device is arranged between the internal network and the external network to realize data transmission between the internal network and the external network. The data interaction device may be provided solely as a device having a single housing.
As a specific scheme, the data interaction device comprises: the device comprises an image outputter, an acoustic wave sensor, a first side controller, an acoustic wave outputter, an image sensor and a second side controller.
The image output device is used for outputting image information; the acoustic wave sensor is used for acquiring acoustic wave information; the first side controller is used for forming communication connection with a first network needing isolation; the sound wave output device is used for outputting sound wave information to the sound wave sensor; the image sensor is used for acquiring image information of the image output device; the second side controller is used for forming communication connection with a second network needing isolation.
Specifically, the image outputter and the sound wave sensor are respectively connected to the first side controller in a communication mode; the sound wave output device and the image sensor are respectively connected to the second side controller in a communication mode; the first side controller outputs image information through the image outputter, the second side controller collects and analyzes transmission data in the image information of the image outputter through the image sensor, the second side controller outputs sound wave information containing instruction data through the sound wave outputter according to the transmission data in the image information from the first side controller, and the first side controller collects and analyzes the transmission data in the sound wave information of the sound wave outputter through the sound wave sensor.
A communication connection as referred to herein is any connection capable of transmitting data, and may be implemented by means of wired communication (physical connection) or by means of wireless communication. As an optimal scheme, in order to ensure reliability, devices inside the data interaction device can be realized by adopting wired connection.
Specifically, the image information output by the image output device comprises a two-dimensional code or a sun code. Of course, other images that can be recognized and converted into binary data are also possible.
The image output device may comprise a display, which may be a color or black and white LED display with a high refresh rate. The image sensor may comprise a camera, or a CCD chip. The sound wave output device comprises a honey device or a sound device. The acoustic wave sensor comprises a microphone or other equivalent device.
Preferably, the first side controller is connected to the internal network, the second side controller is connected to the external network, the first side controller is used for outputting data, and the second side controller is used for receiving data. Specifically, the first-side controller is physically connected with the intranet line; the second side controller is physically connected with the external network line; the intranet line is used as a sending end for transmitting data; the external network line is used as a receiving end for transmitting data.
As shown in fig. 2, as an extended scheme, the data interaction apparatus includes two sets of bidirectional transmission interaction devices, so that the first-side controller and the second-side controller can implement bidirectional data interaction.
When the hardware structure is arranged, the image sensor can be aligned with the image output device, so that image interference is avoided.
Similarly, when two sets of sound wave interaction devices are used, hardware measures can be adopted for sound wave isolation, and as a preferable scheme, sound waves of different frequency bands can be used by different sets of sound wave interaction devices to avoid interference. When data is transmitted using acoustic waves, different data may be transmitted using the intensity (amplitude) of the acoustic waves.
As an extension, data transmission under physical isolation conditions may be performed using only one of the acoustic wave or the image. As an embodiment, a laser signal can be used as a transmission means instead of an image or an acoustic wave.
As shown in fig. 3, as an extended scheme, the data interaction apparatus includes two sets of interaction devices transmitting in the same direction, so that the transmission rate can be improved, and when one set of interaction device is interrupted or checked, the other set of interaction device transmits.
As a preferable scheme, one image sensor may correspond to a plurality of image outputters at the same time, or one image outputter divides a plurality of recognition areas to recognize a plurality of recognition units, such as a plurality of two-dimensional codes. Meanwhile, a plurality of groups of corresponding sound wave interaction devices are still arranged and correspond to different identification units (two-dimensional codes), when data of one identification unit is incomplete, only the corresponding sound wave interaction device interacts, successful transmission in the image output device is refreshed and output, and data are verified to be incomplete. This can greatly improve the transmission efficiency.
Optimally, one image sensor simultaneously monitors a plurality of image outputters, and the sound wave outputters and the sound wave sensors are in one-to-one correspondence and correspond to the image outputters and have own unique sound wave frequency band. The transmission data of each image follower has sequence information, and after reception, the whole information can be reassembled based on the sequence information.
Based on the above hardware and functional configuration, as shown in fig. 4, as another aspect of the present application, a data sending end control method suitable for network physical isolation is provided, which includes the following steps: judging whether transmission data needing to be sent exist or not; producing and displaying an image according to the transmission data; detecting and collecting sound wave information and acquiring instruction data in the sound wave information; and executing the program corresponding to the corresponding instruction data.
Specifically, after the program is started, the first-side controller starts to determine whether or not there is transmission data to be transmitted, and if there is transmission data, proceeds to the next step, and if not, returns. And generating image information from the transmission data to be sent, displaying the image information, waiting for the sound wave information, and analyzing the instruction data represented by the sound wave information after receiving the sound wave information.
The instruction data includes: an instruction representing waiting of data transmission, an instruction representing incomplete data transmission, and an instruction representing repeated data transmission.
When the incompleteness occurs, the data or the file is stored to a designated location in the first-side controller or the internal network. And waiting when the data transmission needs waiting, and returning to the program when the data transmission is repeated.
As shown in fig. 5, as another aspect of the present application, there is provided a data receiving end control method suitable for network physical isolation, including the following steps: collecting image data; analyzing and restoring the transmission data according to the image information; judging whether the transmission data meet the conditions; outputting instruction data according to the judgment result of the transmission data; and converting the instruction data into sound wave information and outputting the sound wave information.
Judging whether the transmission data satisfies the condition includes: judging whether the transmission data is complete and judging whether the transmission data is transmitted. The meaning of the specific instruction data includes three, namely successful data transmission, incomplete data transmission and repeated data transmission.
The receiving end compares whether the check codes are consistent according to the same algorithm so as to judge the integrity of the data.
From the above, another aspect of the present application provides a data interaction method as shown in fig. 5, including the following steps: converting transmission data to be sent into image information; converting instruction data to be fed back into sound wave information; acquiring image information to acquire transmission data; collecting sound wave information to obtain instruction data; the generation of image information and the storage of transmission data are controlled by instruction data.
As an extension scheme, the order of the data packets is included in the image information output by the image output device, when the scheme shown in fig. 3 is adopted, a plurality of data packets can be collected simultaneously, and when one data packet is repeated, the next data packet to be transmitted can be skipped.
As a specific scheme, a plurality of displays are provided or the same display is divided into a plurality of display areas, images converted from different data packets are output in different display areas, and the data are respectively collected and analyzed. As a further preferable scheme, different display areas correspond to different sets of the sound wave output devices and the sound wave sensors, and each set of the sound wave output devices and the sound wave sensors adopts a different sound wave frequency from other sets of sound wave frequency for interaction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A data interaction device, characterized by:
the data interaction device comprises:
an image outputter for outputting image information;
the acoustic wave sensor is used for acquiring acoustic wave information;
the first side controller is used for forming communication connection with a first network needing isolation;
the acoustic wave output device is used for outputting acoustic wave information to the acoustic wave sensor;
the image sensor is used for acquiring the image information of the image output device;
the second side controller is used for forming communication connection with a second network needing isolation;
the image output device and the sound wave sensor are respectively in communication connection with the first side controller; the sound wave output device and the image sensor are respectively in communication connection with the second side controller;
the first side controller outputs image information through the image output device, the image information output by the image sensor is derived from the first side controller, the second side controller collects and analyzes transmission data in the image information of the image output device through the image sensor, the second side controller outputs sound wave information containing instruction data through the sound wave output device according to the transmission data in the image information derived from the first side controller, the sound wave information output by the sound wave output device is derived from the second side controller, and the first side controller collects and analyzes the transmission data in the sound wave information of the sound wave output device through the sound wave sensor.
2. The data interaction device of claim 1, wherein:
the image information output by the image output device comprises a two-dimensional code.
3. The data interaction device of claim 1, wherein:
the image information output by the image output device comprises a sun code.
4. The data interaction device of claim 1, wherein:
the image output device includes a display.
5. The data interaction device of claim 1, wherein:
the sound wave output device comprises a buzzer.
6. A network system characterized by:
the network system includes:
an internal network having an intranet line;
an external network having an external network line;
the data interaction device is arranged between the internal network and the external network to realize data transmission between the internal network and the external network;
the internal network circuit and the external network circuit are respectively connected to the data interaction device in a communication mode;
the data interaction device comprises:
an image outputter for outputting image information;
the acoustic wave sensor is used for acquiring acoustic wave information;
the first side controller is used for forming communication connection with one of the internal network or the external network;
the acoustic wave output device is used for outputting acoustic wave information to the acoustic wave sensor;
the image sensor is used for acquiring the image information of the image output device;
the second side controller is used for forming communication connection with the other one of the internal network or the external network;
the image output device and the sound wave sensor are respectively in communication connection with the first side controller; the sound wave output device and the image sensor are respectively in communication connection with the second side controller;
the first side controller outputs image information through the image output device, the image information output by the image sensor is derived from the first side controller, the second side controller collects and analyzes transmission data in the image information of the image output device through the image sensor, the second side controller outputs sound wave information containing instruction data through the sound wave output device according to the transmission data of the image information derived from the first side controller, the sound wave information output by the sound wave output device is derived from the second side controller, and the first side controller collects and analyzes the transmission data in the sound wave information of the sound wave output device through the sound wave sensor.
7. The network system according to claim 6, wherein:
the first side controller and the intranet line form a physical connection.
8. The network system according to claim 6, wherein:
and the second side controller and the external network line form physical connection.
9. The network system according to claim 6, wherein:
the intranet line serves as a sending end for data transmission.
10. The network system according to claim 6, wherein:
the external network line is used as a receiving end for transmitting data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010498852.3A CN111669391B (en) | 2020-06-04 | 2020-06-04 | Network system and data interaction device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010498852.3A CN111669391B (en) | 2020-06-04 | 2020-06-04 | Network system and data interaction device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111669391A CN111669391A (en) | 2020-09-15 |
| CN111669391B true CN111669391B (en) | 2021-04-13 |
Family
ID=72385993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010498852.3A Expired - Fee Related CN111669391B (en) | 2020-06-04 | 2020-06-04 | Network system and data interaction device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111669391B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268461A (en) * | 2013-04-25 | 2013-08-28 | 浙江成功软件开发有限公司 | Intranet-extranet physical isolation data exchange method based on QR (quick response) code |
| CN106534190A (en) * | 2016-12-14 | 2017-03-22 | 北京龙贝世纪科技股份有限公司 | Data capture transmission method and system of intranet and extranet based on two-dimensional bar code |
| CN106973064A (en) * | 2017-04-28 | 2017-07-21 | 南京佳普科技有限公司 | A kind of inside and outside network physical isolated data transmitting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7324512B2 (en) * | 2003-06-12 | 2008-01-29 | International Business Machines Corporation | MAC layer bridging of network frames between isolated and external networks |
-
2020
- 2020-06-04 CN CN202010498852.3A patent/CN111669391B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268461A (en) * | 2013-04-25 | 2013-08-28 | 浙江成功软件开发有限公司 | Intranet-extranet physical isolation data exchange method based on QR (quick response) code |
| CN106534190A (en) * | 2016-12-14 | 2017-03-22 | 北京龙贝世纪科技股份有限公司 | Data capture transmission method and system of intranet and extranet based on two-dimensional bar code |
| CN106973064A (en) * | 2017-04-28 | 2017-07-21 | 南京佳普科技有限公司 | A kind of inside and outside network physical isolated data transmitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111669391A (en) | 2020-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8861976B2 (en) | Transmit and receive MIMO protocols for light array communications | |
| CN106961430B (en) | Physical isolation transmission method and physical isolation transmission device based on two-dimensional code | |
| WO2019104652A1 (en) | Unmanned aerial vehicle system, and communication method and remote control device therefor | |
| CN109274642B (en) | Inter-network data communication method and related device, system, equipment and storage medium | |
| CN110163629A (en) | A kind of commodity code of tracing to the source generates and querying method and device | |
| CN108363667A (en) | A kind of log information capture apparatus | |
| CN110740077A (en) | Simulation system heterogeneity testing system, method and device based on network packet capturing | |
| CN110009077A (en) | A kind of two dimensional code two-way instruction execution system under isolation network | |
| CN105404788A (en) | Distributed medical diagnosis system | |
| KR20190106946A (en) | Artificial device and method for controlling the same | |
| CN111669391B (en) | Network system and data interaction device thereof | |
| CN110661793A (en) | Cultural relic protection system based on ZETA | |
| EP2028641A2 (en) | KVM switch and method for controlling the same | |
| CN111669393A (en) | Data interaction method, data sending end and control method of data receiving end | |
| CN105323141B (en) | A kind of information transferring method, system and mobile terminal based on image recognition | |
| CN108538096A (en) | A kind of intelligent electronic white board based on Internet of Things | |
| CN107432002A (en) | Image communication system, image received device, picture transmitter device, image-receptive method, image sending method and program | |
| CN104156188B (en) | A kind of high frame frequency Infrared scene generation and output system and method | |
| CN107124199A (en) | Intelligent helmet, cognitive method and storage medium with Internet of Things perceptional function | |
| CN204595794U (en) | USB computer switcher signal extender and extender system | |
| KR102456189B1 (en) | system for Cloud edge-based video analysis | |
| CN105323142B (en) | A kind of information transferring method, system and mobile terminal based on image recognition | |
| CN209718980U (en) | A kind of seal device | |
| CN212785654U (en) | Intelligent image analysis equipment | |
| CN216751784U (en) | Edge agent intelligent equipment and remote intelligent supervision system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |