CN111182000A - Method for remotely controlling computer through video acquisition and USB signal transmission - Google Patents
Method for remotely controlling computer through video acquisition and USB signal transmission Download PDFInfo
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- CN111182000A CN111182000A CN202010024188.9A CN202010024188A CN111182000A CN 111182000 A CN111182000 A CN 111182000A CN 202010024188 A CN202010024188 A CN 202010024188A CN 111182000 A CN111182000 A CN 111182000A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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Abstract
The invention discloses a method for remotely controlling a computer through video acquisition and USB signal transmission, which comprises the following steps: (1) a video acquisition and control terminal is additionally arranged between a computer equipment host to be controlled and a computer equipment display; (2) an operator checks a video output signal of a host computer of computer equipment to be controlled in real time through a network; (3) a remote controller operates on a computer display which plays a display video of computer equipment to be controlled in real time, and software captures the operation of a mouse relative to a screen video and keyboard input and sends the operation to a video acquisition and control terminal through a network; (4) the video acquisition and control terminal acquires operation signals of the mouse and the keyboard, and the purpose of remote control is achieved. The invention does not need any controlled software or any built-in software module to be installed on the controlled end device, does not need the controlled device to be connected to the Internet, and has no requirement on the network connection of the controlled device.
Description
Technical Field
The invention relates to a control method, in particular to a method for remotely controlling a computer through video acquisition and USB signal transmission.
Background
Under the existing conditions, if computer equipment needs to be controlled remotely, the general practice is to install controlled end software in the controlled equipment and control the controlled end software through the software. The disadvantages are that 1, additional software is required to be installed, other software cannot be installed for a special purpose industrial computer (such as medical imaging equipment, an industrial personal computer and the like), and 2, the computer is required to be connected to the Internet. For many computers, especially those for industrial and commercial use, access to the internet is generally not available for network and data security reasons. In this case, it is very difficult to control by remote control.
Disclosure of Invention
The present invention is directed to a method for remotely controlling a computer through video acquisition and USB signal transmission, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for remotely controlling a computer through video acquisition and USB signaling, comprising the steps of: (1) the method comprises the steps that a video acquisition and control terminal is additionally arranged between a computer equipment host to be controlled and a computer equipment display, the video acquisition and control terminal is provided with a video input port, a video output port and a USB interface, the video input port is connected to the video output port of the computer equipment host to be controlled, the video output port is connected to the video input port of the computer equipment display to be controlled, and the USB interface is connected to the computer equipment host to be controlled through a USB data line; (2) an operator checks a video output signal of a host computer of computer equipment to be controlled in real time through a network; (3) a remote controller clicks a mouse on a computer display which plays a display video of computer equipment to be controlled in real time or inputs a keyboard, and software captures the positioning position of the mouse relative to a screen video, a click event and the key input of the keyboard and sends the positioning position, the click event and the key input of the keyboard to a video acquisition and control terminal through a network; (4) the video acquisition and control terminal acquires operation signals of a mouse and a keyboard, converts the operation signals into USB control signals, and sends the USB control signals to a computer equipment host to be controlled through a USB line, so that the aim of remote control is fulfilled.
As a further scheme of the invention: the video acquisition and control terminal comprises the following functional modules:
1) the video copying loop-out module is connected with a video input interface of the video acquisition and control terminal and is used for acquiring a host video signal of the computer equipment to be controlled, which is input to the terminal, and copying the host video signal into two paths of video signals, wherein one path of video signals is supplied to the video acquisition module for acquisition, and the other path of video signals is connected to the video output interface, and the copied host signal is displayed on a display of the computer equipment to be controlled;
2) the video acquisition module is used for acquiring the acquired host video signal into a digital video signal for coding transmission;
3) the video coding module is used for coding the acquired digital video signals into video coding streams for internet transmission and sending the video coding streams to the network transmission module for transmission;
4) the network transmission module is used for sending the coded video coding stream to a computer of a remote controller on a network in a mode of 4G, WIFI and Ethernet network link, so that the remote controller can remotely browse a video signal of a display screen of computer equipment to be controlled, simultaneously receive a control signal from an operator and send the control signal to the control signal forwarding module;
5) and the control signal forwarding module is used for receiving the keyboard and mouse control signal sent by the remote controller from the network transmission module, converting the keyboard and mouse control signal into a USB keyboard and mouse input signal which can be identified by the computer equipment host to be controlled, simulating the USB keyboard and mouse input signal into USB keyboard and mouse equipment, and sending the control signal to the computer equipment host to be controlled to realize the aim of remote control.
As a still further scheme of the invention: the step (2) is realized by the following steps: a) the video copying loop-out module is used for copying a video input signal of a computer equipment host to be controlled into two paths of video signals, wherein one path of video signals is sent to the video acquisition module for acquisition, and the other path of video signals is output to a computer equipment display to be controlled for display; b) the video acquisition module acquires the acquired host video signal into a digital video signal and sends the digital video signal to the video coding module; c) the video coding module codes the acquired digital video signals into video coding streams for internet transmission through video coding standards such as H.264, H.265 and the like, and sends the video coding streams to the network transmission module for transmission; d) the network transmission module transmits the coded video coding stream to a computer of a remote controller on the network in a mode of 4G, WIFI and Ethernet network link; e) and a computer of the remote controller runs a software to decode and play the video stream, so as to check the video output signal of the controlled host in real time.
② the ② invention ② further ② provides ② a ② scheme ② ① ② the ② step ② (② 4 ②) ② is ② concretely ② implemented ② as ② ① ② a ② network ② transmission ② module ② in ② the ② video ② acquisition ② and ② control ② terminal ② receives ② mouse ② moving ② positioning ②, ② mouse ② clicking ② events ② and ② keyboard ② typing ② from ② a ② network ②, ② the ② network ② transmission ② module ② sends ② the ② marking ② signal ② to ② a ② control ② signal ② forwarding ② module ②, ② the ② control ② signal ② forwarding ② module ② simulates ② the ② mouse ② moving ② positioning ② read ② in ② real ② time ② into ② mouse ② moving ②, ② the ② mouse ② moving ② positioning ② is ② simulated ② into ② mouse ② moving ②, ② the ② mouse ② moving ② positioning ② is ② sent ② to ② a ② computer ② equipment ② host ② to ② be ② controlled ② through ② a ② USB ② line ②, ② the ② mouse ② is ② controlled ② to ② move ② to ② a ② specified ② positioning ② area ② of ② a ② screen ②, ② the ② control ② signal ② forwarding ② module ② simulates ② the ② obtained ② mouse ② clicking ② events ② into ② USB ② mouse ② simulated ② clicking ② and ② sends ② the ② USB ② mouse ② simulated ② clicking ② to ② the ② computer ② equipment ② host ② to ② be ② controlled ②, ② and ② the ② control ② signal ② forwarding ② module ② simultaneously ② simulates ② the ② mouse ② moving ② positioning ② into ② keyboard ② equipment ②, ② the ② real ② - ② time ② keyboard ② input ② is ② simulated ② into ② USB ② keyboard ② input ②, ② and ② the ② USB ② mouse ② input ② is ② sent ② to ② the ② computer ② equipment ② host ② to ② be ② controlled ② through ② the ② USB ② line ②. ②
Compared with the prior art, the invention has the beneficial effects that: 1. the device of the controlled terminal is not required to be provided with any controlled software or any software module. 2. The controlled equipment is not required to be connected to the Internet, and no requirement is imposed on the network connection of the controlled equipment 3, the plug and play is realized, and no configuration is required to be made on the controlled equipment; meanwhile, if the function needs to be closed, the video acquisition and control terminal only needs to be simply detached, and the USB cable is pulled out.
Drawings
Fig. 1 is a schematic diagram of the connection among a video acquisition and control terminal, a computer device host to be controlled, and a computer device display screen to be controlled according to the present invention.
Fig. 2 is a schematic diagram of a video capture and control terminal function module according to the present invention.
FIG. 3 is a schematic view of the overall process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Referring to fig. 1 to 3, a method for remotely controlling a computer through video acquisition and USB signal transmission includes the following steps: (1) the method comprises the steps that a video acquisition and control terminal is additionally arranged between a computer equipment host to be controlled and a computer equipment display, the video acquisition and control terminal is provided with a video input port, a video output port and a USB interface, the video input port is connected to the video output port of the computer equipment host to be controlled, the video output port is connected to the video input port of the computer equipment display to be controlled, and the USB interface is connected to the computer equipment host to be controlled through a USB data line; the video acquisition and control terminal comprises the following functional modules: the video copying loop-out module is connected with a video input interface of the video acquisition and control terminal and is used for acquiring a host video signal of the computer equipment to be controlled, which is input to the terminal, and copying the host video signal into two paths of video signals, wherein one path of video signals is supplied to the video acquisition module for acquisition, and the other path of video signals is connected to the video output interface, and the copied host signal is displayed on a display of the computer equipment to be controlled; the video acquisition module is used for acquiring the acquired host video signal into a digital video signal for coding transmission; the video coding module is used for coding the acquired digital video signals into video coding streams for internet transmission and sending the video coding streams to the network transmission module for transmission; the network transmission module is used for sending the coded video coding stream to a computer of a remote controller on a network in a mode of 4G, WIFI and Ethernet network link, so that the remote controller can remotely browse a video signal of a display screen of computer equipment to be controlled, simultaneously receive a control signal from an operator and send the control signal to the control signal forwarding module; and the control signal forwarding module is used for receiving the keyboard and mouse control signal sent by the remote controller from the network transmission module, converting the keyboard and mouse control signal into a USB keyboard and mouse input signal which can be identified by the computer equipment host to be controlled, simulating the USB keyboard and mouse input signal into USB keyboard and mouse equipment, and sending the control signal to the computer equipment host to be controlled to realize the aim of remote control.
(2) An operator checks a video output signal of a computer equipment host to be controlled in real time through a network, and the specific implementation steps are as follows: a) the video copying loop-out module is used for copying a video input signal of a computer equipment host to be controlled into two paths of video signals, wherein one path of video signals is sent to the video acquisition module for acquisition, and the other path of video signals is output to a computer equipment display to be controlled for display; b) the video acquisition module acquires the acquired host video signal into a digital video signal and sends the digital video signal to the video coding module; c) the video coding module codes the acquired digital video signals into video coding streams for internet transmission through video coding standards such as H.264, H.265 and the like, and sends the video coding streams to the network transmission module for transmission; d) the network transmission module transmits the coded video coding stream to a computer of a remote controller on the network in a network link mode such as 4G, WIFI, Ethernet and the like; e) a software is operated on a computer of a remote controller, and the video stream is decoded and played, so that the video output signal of the controlled host computer is checked in real time;
(3) a remote controller clicks a mouse on a computer display which plays a display video of computer equipment to be controlled in real time or inputs a keyboard, and software captures the positioning position of the mouse relative to a screen video, a click event and the key input of the keyboard and sends the positioning position, the click event and the key input of the keyboard to a video acquisition and control terminal through a network;
(4) the video acquisition and control terminal acquires operation signals of a mouse and a keyboard, converts the operation signals into USB control signals and sends the USB control signals to a computer equipment host to be controlled through a USB line to achieve the purpose of remote control.
Through the mode, the computer equipment host to be controlled can respond correspondingly according to the mouse movement, the mouse click and the keyboard typing operation sent remotely, so that the aim of remote control is fulfilled.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A method for remotely controlling a computer through video acquisition and USB signaling, comprising the steps of: (1) the method comprises the steps that a video acquisition and control terminal is additionally arranged between a computer equipment host to be controlled and a computer equipment display, the video acquisition and control terminal is provided with a video input port, a video output port and a USB interface, the video input port is connected to the video output port of the computer equipment host to be controlled, the video output port is connected to the video input port of the computer equipment display to be controlled, and the USB interface is connected to the computer equipment host to be controlled through a USB data line; (2) an operator checks a video output signal of a host computer of computer equipment to be controlled in real time through a network; (3) a remote controller clicks a mouse on a computer display which plays a display video of computer equipment to be controlled in real time or inputs a keyboard, and software captures the positioning position of the mouse relative to a screen video, a click event and the key input of the keyboard and sends the positioning position, the click event and the key input of the keyboard to a video acquisition and control terminal through a network; (4) the video acquisition and control terminal acquires operation signals of a mouse and a keyboard, converts the operation signals into USB control signals, and sends the USB control signals to a computer equipment host to be controlled through a USB line, so that the aim of remote control is fulfilled.
2. The method of claim 1, wherein the video acquisition and control terminal comprises the following functional modules:
the video copying loop-out module is connected with a video input interface of the video acquisition and control terminal and is used for acquiring a host video signal of the computer equipment to be controlled, which is input to the terminal, and copying the host video signal into two paths of video signals, wherein one path of video signals is supplied to the video acquisition module for acquisition, and the other path of video signals is connected to the video output interface, and the copied host signal is displayed on a display of the computer equipment to be controlled;
the video acquisition module is used for acquiring the acquired host video signal into a digital video signal for coding transmission;
the video coding module is used for coding the acquired digital video signals into video coding streams for internet transmission and sending the video coding streams to the network transmission module for transmission;
the network transmission module is used for sending the coded video coding stream to a computer of a remote controller on a network in a mode of 4G, WIFI and Ethernet network link, so that the remote controller can remotely browse a video signal of a display screen of computer equipment to be controlled, simultaneously receive a control signal from an operator and send the control signal to the control signal forwarding module;
and the control signal forwarding module is used for receiving the keyboard and mouse control signal sent by the remote controller from the network transmission module, converting the keyboard and mouse control signal into a USB keyboard and mouse input signal which can be identified by the computer equipment host to be controlled, simulating the USB keyboard and mouse input signal into USB keyboard and mouse equipment, and sending the control signal to the computer equipment host to be controlled to realize the aim of remote control.
3. The method for remotely controlling a computer through video acquisition and USB signal transmission according to claims 1-2, wherein the step (2) is implemented by the steps of: a) the video copying loop-out module is used for copying a video input signal of a computer equipment host to be controlled into two paths of video signals, wherein one path of video signals is sent to the video acquisition module for acquisition, and the other path of video signals is output to a computer equipment display to be controlled for display; b) the video acquisition module acquires the acquired host video signal into a digital video signal and sends the digital video signal to the video coding module; c) the video coding module codes the acquired digital video signals into video coding streams for internet transmission through video coding standards such as H.264, H.265 and the like, and sends the video coding streams to the network transmission module for transmission; d) the network transmission module transmits the coded video coding stream to a computer of a remote controller on the network in a mode of 4G, WIFI and Ethernet network link; e) and a computer of the remote controller runs a software to decode and play the video stream, so as to check the video output signal of the controlled host in real time.
4.② the method for remotely controlling ② the computer through ② the video acquisition and ② the USB signal transmission according to claim 1 is characterized in that ② the step (4) is realized by firstly receiving ② the mouse moving positioning, ② the mouse clicking event and ② the keyboard typing from ② the network by a network transmission module in ② the video acquisition and control terminal, sending ② the marking signal to a control signal forwarding module by ② the network transmission module, simulating ② the mouse moving positioning read in real time into ② the mouse moving by ② the control signal forwarding module, sending ② the mouse moving positioning read in real time to a computer equipment host to be controlled through a USB wire, controlling ② the computer equipment host to move ② the mouse to a specified positioning area of a screen by ② the control signal forwarding module, simulating ② the mouse clicking event obtained by ② the control signal forwarding module into a USB mouse simulating clicking and sending ② the USB mouse simulating clicking to a computer equipment host to be controlled, simultaneously simulating ② the control signal forwarding module into a keyboard equipment by itself, simulating ② the keyboard input read in real time into ② the USB keyboard input, and sending ② the USB keyboard input to ② the computer equipment host to be controlled through ② the USB wire.
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| CN202010024188.9A CN111182000A (en) | 2020-01-10 | 2020-01-10 | Method for remotely controlling computer through video acquisition and USB signal transmission |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462961A (en) * | 2020-12-04 | 2021-03-09 | 深圳市创维群欣安防科技股份有限公司 | Network forwarding keyboard mouse code processing method, device and system |
| CN112526911A (en) * | 2020-12-04 | 2021-03-19 | 江苏泰治科技股份有限公司 | Non-invasive equipment control and data acquisition method and industrial control device |
| CN113301146A (en) * | 2021-05-21 | 2021-08-24 | 云南腾云信息产业有限公司 | Information transfer equipment, digital exhibition hall operation management method and device |
| CN114363382A (en) * | 2021-12-10 | 2022-04-15 | 郑州信大捷安信息技术股份有限公司 | Centralized management and control system and method based on hardware mode |
| CN115910261A (en) * | 2023-01-05 | 2023-04-04 | 四川智康科技有限责任公司 | Safe electronic medical record remote retrieval and operation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106210665A (en) * | 2016-08-31 | 2016-12-07 | 南京极域信息科技有限公司 | A kind of distance host control method based on video acquisition and system |
| CN206060993U (en) * | 2016-08-31 | 2017-03-29 | 南京极域信息科技有限公司 | A kind of distance host control system based on video acquisition |
| CN108965813A (en) * | 2018-07-26 | 2018-12-07 | 西安艾索信息技术有限公司 | A kind of video multiple domain complex control system and method |
-
2020
- 2020-01-10 CN CN202010024188.9A patent/CN111182000A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106210665A (en) * | 2016-08-31 | 2016-12-07 | 南京极域信息科技有限公司 | A kind of distance host control method based on video acquisition and system |
| CN206060993U (en) * | 2016-08-31 | 2017-03-29 | 南京极域信息科技有限公司 | A kind of distance host control system based on video acquisition |
| CN108965813A (en) * | 2018-07-26 | 2018-12-07 | 西安艾索信息技术有限公司 | A kind of video multiple domain complex control system and method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462961A (en) * | 2020-12-04 | 2021-03-09 | 深圳市创维群欣安防科技股份有限公司 | Network forwarding keyboard mouse code processing method, device and system |
| CN112526911A (en) * | 2020-12-04 | 2021-03-19 | 江苏泰治科技股份有限公司 | Non-invasive equipment control and data acquisition method and industrial control device |
| CN113301146A (en) * | 2021-05-21 | 2021-08-24 | 云南腾云信息产业有限公司 | Information transfer equipment, digital exhibition hall operation management method and device |
| CN114363382A (en) * | 2021-12-10 | 2022-04-15 | 郑州信大捷安信息技术股份有限公司 | Centralized management and control system and method based on hardware mode |
| CN115910261A (en) * | 2023-01-05 | 2023-04-04 | 四川智康科技有限责任公司 | Safe electronic medical record remote retrieval and operation method |
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