CN112783671A - Fusion system suitable for image voice and data transmission - Google Patents
Fusion system suitable for image voice and data transmission Download PDFInfo
- Publication number
- CN112783671A CN112783671A CN202110075232.3A CN202110075232A CN112783671A CN 112783671 A CN112783671 A CN 112783671A CN 202110075232 A CN202110075232 A CN 202110075232A CN 112783671 A CN112783671 A CN 112783671A
- Authority
- CN
- China
- Prior art keywords
- data
- terminal
- field
- remote embedded
- thread
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 230000004927 fusion Effects 0.000 title claims abstract description 18
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000009432 framing Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/543—User-generated data transfer, e.g. clipboards, dynamic data exchange [DDE], object linking and embedding [OLE]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/54—Indexing scheme relating to G06F9/54
- G06F2209/545—Gui
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/54—Indexing scheme relating to G06F9/54
- G06F2209/549—Remote execution
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Human Computer Interaction (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a fusion system suitable for image voice and data transmission, which comprises a far-end embedded micro system and a terminal; the terminal is used for receiving and displaying the image information sent by the remote embedded type micro system, playing the audio data sent by the remote embedded type micro system, and sending a control instruction and data required by the remote embedded type micro system to the remote embedded type micro system; the remote embedded type micro system is used for receiving a control instruction sent by the terminal and packaging a data packet according to the control instruction and sending the data packet to the terminal. The invention designs two data transmission frame formats which support the characteristics of error detection, expandability, support of various metadata and the like. The terminal software can be universal on all Windows platforms only by compiling once, relevant parts of the system are removed, 90% of source codes can be reused to a multi-terminal system such as a mobile terminal and a Mac terminal, and the method is particularly suitable for battle scenes with strong maneuverability, can be deployed quickly and is put into use.
Description
Technical Field
The invention relates to a fusion system suitable for image voice and data transmission, and belongs to the technical field of remote communication.
Background
At present, conventional remote data transmission modes mainly comprise modes such as mails, remote control software, intranet data sharing software, cloud disks, chatting software and the like, the timeliness of the modes is poor, the requirements of real-time transmission cannot be met, for example, the data is transmitted by the mails, on one hand, the data is delayed, the data needs to be uploaded and then downloaded, various complicated processes such as transfer of a mail server and the like can be involved in the middle, and the mail transmission is still ineffective for an application scene with high real-time requirements such as audio and video; on the other hand, the security of the data cannot be guaranteed, the data can be backed up on the server of the third-party company, and if the third-party company is invaded by a hacker, the data is possibly leaked, so that different losses can be caused; for example, the third-party remote control software, such as the TeamViewer, can realize various remote data transmission to some extent, but the operating environments at two ends of the software must be large systems, such as Windows and Linux, running on the CPU at the level of Intel or AMD, and the TeamViewer is also useless for the embedded scene. Besides, various remote control software is commercial software, is closed-source, and is worth considering whether safety problems are involved, so that the safety problems of sensitive data are greatly hidden. The same problems exist in chat software and intranet data sharing software such as feijiu and the like, and the problems that whether sensitive data can be backed up by a third-party service provider, whether the real-time performance meets requirements and the like are not negligible. In addition, the third party software needs to spend money to purchase the version number, and the cost is a non-negligible factor.
At present, for a plurality of modern military war scenes, on one hand, audio and video data need to be transmitted in real time, on the other hand, a specific instruction needs to be embedded into a frame of the scene, and other auxiliary related work can be done, but whether a work place and the surrounding environment can be accessed to the internet or not, whether a stable enough power system exists or not and the like cannot be predicted, and various problems such as the time when the deployment needs to be carried out in advance and how long time before the deployment can be also not predicted. The traditional communication mode can not meet the requirements of image, voice and convenient data transmission in the scene. The research on the aspect of the embedded micro communication system is not too much, the research data of the image, voice and convenient data transmission fusion system is very little, most of the research work is focused on the aspects of remote control and performance monitoring, and the environment in which the final product needs to operate is also harsh. The existing product needs to do a lot of preparation work before being actually used, and still needs a professional to install, deploy and debug the product, and the product can not provide a quick solution for emergency.
Disclosure of Invention
The invention aims to provide a fusion system suitable for image voice and data transmission, which realizes the transmission of image, voice and convenient data to a communication terminal in an embedded micro remote communication system.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a fusion system suitable for image voice and data transmission, which comprises a far-end embedded micro system and a terminal;
the terminal is used for receiving and displaying the image information sent by the remote embedded type micro system, playing the audio data sent by the remote embedded type micro system, and sending a control instruction and data required by the remote embedded type micro system to the remote embedded type micro system;
the remote embedded type micro system is used for receiving a control instruction sent by the terminal, packaging a data packet according to the control instruction and sending the data packet to the terminal.
Further, the terminal comprises a GUI application program, a display, a sound card and a network card;
the network card is used for communication between the terminal and the remote embedded type micro system;
the GUI application program is used for decoding a data packet sent by the remote embedded type micro system;
the sound card is used for playing audio data decoded by the GUI application program;
the display is used for displaying the image data decoded by the GUI application program.
Further, the GUI application is further configured to monitor and acquire data in the clipboard of the terminal in real time, and send the group packet to the remote embedded microsystem through the network card.
Further, the terminal includes a first module for receiving the request,
the working thread creating module is used for creating a GUI thread, a clipboard monitoring thread, a packet receiving and transmitting thread and an audio and video playing thread;
the receiving and dispatching package thread is used for receiving and decoding a data package sent by the remote embedded type micro system, and the decoded data is sent to the audio and video playing thread; the GUI thread is used for sending the control instruction and the data sent by the GUI thread after being packaged and encrypted;
the audio and video playing thread is used for selecting audio data from the decoded data and playing the audio data through a sound card, and selecting image data and displaying the image data through a display;
the GUI thread is used for sending a control instruction and data required by the remote embedded micro-system to the receiving and sending packet thread;
and the clipboard monitoring thread is used for monitoring the terminal clipboard in real time, reading clipboard data, and sending the clipboard data after the clipboard data is packaged and encrypted.
Further, the terminal is suitable for a PC terminal, a mobile phone or a tablet.
Furthermore, the remote embedded micro-system comprises a microcontroller, a recording card or a sound card, a camera, a data acquisition device and a network card;
the microcontroller is used for receiving the instruction message sent by the terminal through the network card, controlling the recording card or the sound card to acquire audio data according to the instruction message, controlling the camera to acquire image data and controlling the data acquisition equipment to acquire state performance parameters; and coding and framing the acquired data, and sending the encrypted data out through the network card.
Furthermore, the remote embedded type micro-system is realized based on an ARM chip.
Further, the remote embedded microsystem is an SoC single chip system.
Further, the remote embedded microsystem sends a data packet to the terminal, where the data packet includes:
a MagicNumHead field for identifying a start position of one frame data;
a DataCheckSum field for checking validity of the current data packet;
a DataSize field for recording the size of the current data packet;
the data field is used for storing state performance data which needs to be transmitted by the embedded micro system;
an ImageEncodeFrame field for storing the data after the image coding;
an audioencodedframe field for storing the audio encoded data;
a Reserved field for expanding the frame field;
a magicnummail field for identifying an end of the current frame;
the terminal sends a data packet to the remote embedded type microsystem, and the format of the data packet is as follows: a MagicNumHead field, a DataCheckSum field, a DataSize field, a DataField field, a CmdWord field, a Reserved field, and a magicnummail field;
and the CmdWord field is used for storing a command code which is issued by the terminal to the embedded type micro system.
The invention achieves the following beneficial effects:
the invention designs two data transmission frame formats which support the characteristics of error detection, expandability, support of various metadata and the like.
The system of the invention can transmit voice, video and other data, also supports a rapid mode of copying and pasting the transmitted data, and simultaneously supports embedding control instructions in the same transmission frame so as to achieve other auxiliary purposes.
The terminal software of the invention can be universal on all Windows platforms only by compiling once, relevant parts of the system are removed, and 90% of source codes can be reused to a multi-terminal system such as a mobile terminal and a Mac terminal. The remote micro embedded system can be realized based on ARM chip design, or can be directly made into a SoC single chip system. The system can be completely produced and manufactured practically, has no technical blind area, is particularly suitable for battle scenes with strong maneuverability, and can be deployed and put into use quickly.
Drawings
FIG. 1 is a diagram illustrating a remote terminal architecture in a fusion system for image-voice and data transmission according to the present invention;
FIG. 2 is a remote terminal processing flow in the present invention;
FIG. 3 is a block diagram of an embedded microsystem architecture for a fusion system for image voice and data transmission according to the present invention;
FIG. 4 is a diagram of an embedded microsystem sending data frame format in accordance with the present invention;
fig. 5 shows a format of data frame transmitted by a remote terminal according to the present invention.
Detailed Description
The invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention provides a fusion system suitable for image voice and data transmission, which comprises a remote embedded micro system and a terminal.
Specifically, the terminal is used for receiving and displaying the image information sent by the remote embedded microsystem, playing the audio data sent by the remote embedded microsystem, and sending a control instruction to the remote embedded microsystem.
The remote embedded type micro system is used for receiving the control instruction sent by the terminal and packaging data according to the control instruction and sending the data to the terminal.
Referring to fig. 1, the terminal includes a GUI application, a display, a sound card, and a network card.
The GUI application program is used for receiving the data frames sent by the remote embedded type micro system through the network card, decoding audio data from the data frames, playing the audio data through the sound card, and decoding image data and displaying the image data through the display.
The GUI application program is also used for monitoring and acquiring data in a terminal clipboard in real time and sending the data to a remote embedded microsystem through a network card; and according to the user instruction, packaging the required data and then sending the data to the remote embedded type micro system through the network card.
The network card is used for communication between the terminal and the remote embedded type micro system.
The flow executed by the terminal program is shown in fig. 2, and includes:
initializing a terminal;
creating a working thread comprising a GUI thread, a clipboard monitoring thread, a receiving and dispatching package thread and an audio and video playing thread;
the receiving and sending packet thread receives the data frame sent by the remote embedded type micro-system for decoding, and the decoded data is sent to the audio and video playing thread;
the audio and video playing thread selects audio data from the decoded data and plays the audio data through an audio card, and selects image data and displays the image data through a display;
the GUI thread sends the control instruction to a receiving and sending packet thread;
the receiving and sending packet thread packages and encrypts data sent by the GUI thread and sends the data out;
and the clipboard monitoring thread monitors the terminal clipboard in real time, reads the clipboard data, encrypts the clipboard data in a packet mode and sends the encrypted clipboard data out.
The invention develops the terminal on the PC end or the mobile phone or the tablet.
Referring to fig. 3, the remote embedded microsystem includes a microcontroller, a recording card or sound card, a camera, a data acquisition device and a network card.
The microcontroller is used for receiving the instruction message sent by the terminal through the network card, controlling the recording card or the sound card to acquire audio data according to the instruction message, controlling the camera to acquire image data and controlling the data acquisition equipment to acquire state performance parameters; and coding and framing the acquired data, encrypting the data and sending the encrypted data out through the network card.
Furthermore, the invention defines a data frame format for data transmission between the terminal and the remote embedded microsystem, wherein the data frame format is required to be capable of transmitting images, voice and various conventional data, and the data security is required to be ensured if the transmitted data cannot be intercepted in the transmission process. In addition, the integrity of the frame data can be checked, and the situations of bit reversal, frame loss and the like in the data transmission process are prevented. The data frame format is shown in fig. 4 and 5.
The format of the data frame transmitted by the remote embedded microsystem is shown in fig. 4, and includes:
a MagicNumHead field for identifying a start position of one frame data;
a DataCheckSum field for checking validity of the current data frame;
a DataSize field for recording the size of the current data frame;
a DataField field, which is used for storing the state performance data which needs to be transmitted by the embedded micro-system;
an ImageEncodeFrame field for storing data after image encoding;
an audioencodedframe field for storing audio-encoded data;
a Reserved field, which is Reserved for standby and can be used for expanding a frame field in the future;
a magicnummail field for identifying the end of the current frame.
Referring to fig. 5, a data frame format transmitted by a terminal includes:
a MagicNumHead field, a DataCheckSum field, a DataSize field, a DataField field, a CmdWord field, a Reserved field, and a magicnummail field;
wherein, the meanings of the MagicNumHead field, the DataCheckSum field, the DataSize field, the DataField field, the Reserved field and the MagicNumTail field are the same as those of the data frame sent by the remote embedded type microsystem;
and the CmdWord field is used for storing a command code which is issued by the terminal to the embedded type micro system, and the remote embedded type micro system can be remotely controlled through the CmdWord field.
The invention designs two data transmission frame formats which support the characteristics of error detection, expandability, support of various metadata and the like. In addition, the invention also designs a multi-end GUI program such as a PC, a mobile phone, a tablet and the like, can decrypt the encrypted frame data transmitted by the remote embedded micro-system, displays the remote state in real time, and simultaneously supports the package sending of user commands. Finally, the invention also designs a set of embedded micro communication system which can be deployed rapidly and work instantly.
The terminal software of the invention can be universal on all Windows platforms only by compiling once, relevant parts of the system are removed, and 90% of source codes can be reused to a multi-terminal system such as a mobile terminal and a Mac terminal. The remote micro embedded system can be realized based on ARM chip design, or can be directly made into a SoC single chip system. The audio and video coding and decoding schemes are very mature. The data frame structure can be defined once, and if the frame format needs to be upgraded and optimized, the Reserved field can be used. The system can be completely produced and manufactured practically, has no technical blind area, is particularly suitable for battle scenes with strong maneuverability, and can be deployed and put into use quickly.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A fusion system suitable for image voice and data transmission is characterized by comprising a remote embedded micro system and a terminal;
the terminal is used for receiving and displaying the image information sent by the remote embedded type micro system, playing the audio data sent by the remote embedded type micro system, and sending a control instruction and data required by the remote embedded type micro system to the remote embedded type micro system;
the remote embedded type micro system is used for receiving a control instruction sent by the terminal, packaging a data packet according to the control instruction and sending the data packet to the terminal.
2. The fusion system for image voice and data transmission according to claim 1, wherein the terminal comprises a GUI application, a display, a sound card and a network card;
the network card is used for communication between the terminal and the remote embedded type micro system;
the GUI application program is used for decoding a data packet sent by the remote embedded type micro system;
the sound card is used for playing audio data decoded by the GUI application program;
the display is used for displaying the image data decoded by the GUI application program.
3. The fusion system of claim 2, wherein the GUI application is further configured to monitor and obtain data in a clipboard of the terminal in real time, and send the data to the remote embedded microsystem via the network card.
4. The fusion system of claim 1, wherein the terminal comprises a transmitter for transmitting image and voice data
The working thread creating module is used for creating a GUI thread, a clipboard monitoring thread, a packet receiving and transmitting thread and an audio and video playing thread;
the receiving and dispatching package thread is used for receiving and decoding the data package sent by the remote embedded type micro system, and the decoded data is sent to the audio and video playing thread; the GUI thread is used for sending the control instruction and the data sent by the GUI thread after being packaged and encrypted;
the audio and video playing thread is used for selecting audio data from the decoded data and playing the audio data through the sound card;
the GUI thread is used for sending a control instruction and data required by the remote embedded micro-system to the receiving and sending packet thread;
and the clipboard monitoring thread is used for monitoring the terminal clipboard in real time, reading clipboard data, and sending the clipboard data after the clipboard data is packaged and encrypted.
5. The fusion system for image, voice and data transmission according to claim 1, wherein the terminal is adapted to a PC terminal, a mobile phone or a tablet.
6. The fusion system suitable for image voice and data transmission according to claim 1, wherein the remote embedded microsystem comprises a microcontroller, a recording card or sound card, a camera, a data acquisition device and a network card;
the microcontroller is used for receiving the instruction message sent by the terminal through the network card, controlling the recording card or the sound card to acquire audio data according to the instruction message, controlling the camera to acquire image data and controlling the data acquisition equipment to acquire state performance parameters; and coding and framing the acquired data, and sending the encrypted data out through the network card.
7. The fusion system of claim 1, wherein the remote embedded microsystem is implemented based on an ARM chip.
8. The system of claim 1, wherein the remote embedded microsystem is a SoC system-on-a-chip.
9. The fusion system of claim 1, wherein the remote embedded microsystem sends a data packet to the terminal, the data packet comprises:
a MagicNumHead field for identifying a start position of one frame data;
a DataCheckSum field for checking validity of the current data packet;
a DataSize field for recording the size of the current data packet;
the data field is used for storing state performance data which needs to be transmitted by the embedded micro system;
an ImageEncodeFrame field for storing the data after the image coding;
an audioencodedframe field for storing the audio encoded data;
a Reserved field for expanding the frame field;
a magicnummail field for identifying an end of the current frame;
the terminal sends a data packet to the remote embedded type microsystem, and the format of the data packet is as follows: a MagicNumHead field, a DataCheckSum field, a DataSize field, a DataField field, a CmdWord field, a Reserved field, and a magicnummail field;
and the CmdWord field is used for storing a command code which is issued by the terminal to the embedded type micro system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075232.3A CN112783671B (en) | 2021-01-20 | 2021-01-20 | Fusion system suitable for image voice and data transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075232.3A CN112783671B (en) | 2021-01-20 | 2021-01-20 | Fusion system suitable for image voice and data transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112783671A true CN112783671A (en) | 2021-05-11 |
| CN112783671B CN112783671B (en) | 2024-01-26 |
Family
ID=75757355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110075232.3A Active CN112783671B (en) | 2021-01-20 | 2021-01-20 | Fusion system suitable for image voice and data transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112783671B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002033558A1 (en) * | 2000-10-16 | 2002-04-25 | Physical Optics Corporation | Multimedia sensor network |
| US20030018734A1 (en) * | 2001-06-26 | 2003-01-23 | Yingdong Luo | Method and system for remotely programming and controlling a digital output device |
| CN1459737A (en) * | 2002-05-21 | 2003-12-03 | 麦克奥迪实业集团有限公司 | Network type automatic microscope |
| CN203416352U (en) * | 2013-06-28 | 2014-01-29 | 上海宽岱电讯科技发展有限公司 | Wireless audio and video transmission system based on embedded system |
| CN104834288A (en) * | 2015-04-02 | 2015-08-12 | 宁波易猎信息科技有限公司 | Smart home security method based on internet of things |
| CN105282110A (en) * | 2014-07-09 | 2016-01-27 | 北京合众思壮科技股份有限公司 | Mobile phone streaming media transmission method fusing GPS positioning information and system thereof |
| CN110493633A (en) * | 2019-08-19 | 2019-11-22 | 武汉蓝星科技股份有限公司 | A kind of image and audio separated transmission system, method and mobile terminal |
-
2021
- 2021-01-20 CN CN202110075232.3A patent/CN112783671B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002033558A1 (en) * | 2000-10-16 | 2002-04-25 | Physical Optics Corporation | Multimedia sensor network |
| US20030018734A1 (en) * | 2001-06-26 | 2003-01-23 | Yingdong Luo | Method and system for remotely programming and controlling a digital output device |
| CN1459737A (en) * | 2002-05-21 | 2003-12-03 | 麦克奥迪实业集团有限公司 | Network type automatic microscope |
| CN203416352U (en) * | 2013-06-28 | 2014-01-29 | 上海宽岱电讯科技发展有限公司 | Wireless audio and video transmission system based on embedded system |
| CN105282110A (en) * | 2014-07-09 | 2016-01-27 | 北京合众思壮科技股份有限公司 | Mobile phone streaming media transmission method fusing GPS positioning information and system thereof |
| CN104834288A (en) * | 2015-04-02 | 2015-08-12 | 宁波易猎信息科技有限公司 | Smart home security method based on internet of things |
| CN110493633A (en) * | 2019-08-19 | 2019-11-22 | 武汉蓝星科技股份有限公司 | A kind of image and audio separated transmission system, method and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112783671B (en) | 2024-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110417783B (en) | Data transmission method and device based on Internet of things, storage medium and terminal | |
| CN102891890B (en) | Exchange method between a kind of terminal and relevant device, system | |
| CN108124173A (en) | A kind of one-to-many throw shields display methods, system and storage medium | |
| CN102571726A (en) | Multimedia data sharing method, system and state judgment server | |
| CN110365779B (en) | Communication control method and device, electronic equipment and storage medium | |
| CN108418903B (en) | Remote access system and access method for embedded software log | |
| CN110351379B (en) | Communication control method and device, electronic equipment and storage medium | |
| KR20140118014A (en) | Method for authenticating client | |
| CN104378649A (en) | Method and system for encrypting video streams in real time through SM1 cryptographic algorithm | |
| US20140179229A1 (en) | Peer-to-peer wireless transmission system and method thereof | |
| CN101262499B (en) | A remote monitoring system | |
| WO2011127804A1 (en) | Method, apparatus and system for data encryption transmission in m2m | |
| CN112533014A (en) | Target article information processing and displaying method, device and equipment in live video | |
| CN105635802A (en) | Transmission method of digital media data and device | |
| CN103841143A (en) | File sending method, receiving method, system and device | |
| CN103503381B (en) | The method of data transmission of device redirection, Apparatus and system | |
| CN112783671B (en) | Fusion system suitable for image voice and data transmission | |
| CN114978485B (en) | Voice data transmission method, system, electronic equipment and storage medium | |
| CN105262824B (en) | A kind of automobile monitoring method, apparatus and system | |
| CN102420755B (en) | Transmission processing method of data message, communication device and system | |
| CN108259958A (en) | Remote keying response method, device, equipment and storage medium | |
| JP2007281971A (en) | Method, apparatus, and program for controlling communication | |
| Zeng et al. | Design and Implementation of Shipping Video Surveillance Equipment Based on Raspberry Pi | |
| JP3310173B2 (en) | Encoding device and decoding device | |
| CN105847669A (en) | Communication apparatus, communication system and control method thereof |
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 |