JP6803385B2 - Data transmission method and data transmission equipment - Google Patents

Description

The present invention relates to the technical field of the Internet / computer, and particularly to a data transmission method and a data transmission device.

In today's society, many companies and organizations have their own websites that publish information to help customers and users know who they are, but such websites pose a relatively large security risk. As a result, it is vulnerable to attack by hackers, and access to the database of the hacker's company website may leak company data.

An object of the present invention is to provide a data transmission method and a data transmission device that cannot be attacked by a conventional virus or hacking means because a new transmission technology is used between a database server and a Web server.

A first aspect of the present invention is a data transmission method for transmitting data between a first computer and a second computer, wherein the first computer passes through an image / video output port of the video card of the first computer. The first data is transmitted to the first image collecting device, and the first image collecting device transmits the first data to the second computer, or processes the first data and transmits the first data to the second computer. A data transmission method including steps is provided.

The second aspect of the present invention is a data transmission device for transmitting data between computers, which includes a first computer, a first image collection device, a second computer, and a second image collection device. The image / video output port of the computer video card is connected to the input port of the first image collection device, and the image / video output port of the video card of the second computer is connected to the input port of the second image collection device. The first computer is connected to the second image collecting device via a network cable or a USB data line, and the second computer is connected to the first image collecting device via a network cable or a USB data line. Provide a transmission device.

The first computer is one of a Web server and an application server, and the second computer is a database server.

The video collecting device is generally called a video / image collecting device, and when collecting a single frame image, the video collecting device may be called an image collecting device.

In the present invention, all video output ports are also image output ports, and all video input ports are also image input ports.

The image collector includes an image input port connected to the output port of the video card.

The output port of the video card may be referred to as an image output port or a video output port.

Hereinafter, the present invention will be described in more detail with reference to the drawings and embodiments.
It is a flowchart of one Example of the data transmission method between the 1st computer and the 2nd computer of this invention. It is a structural schematic diagram of one Example of the data transmission apparatus of this invention. This is the first sample of the image in the present invention. This is the second sample of the image in the present invention. This is a third sample of the image in the present invention. This is a fourth sample of the image in the present invention. This is a fifth sample of an image in the present invention. This is the sixth sample of the image in the present invention.

Embodiment for carrying out the invention

In order to more clearly explain the examples of the present invention or the technical proposals in the prior art, the embodiments of the present invention will be described below with reference to the drawings. Of course, the drawings in the following description are only examples of a part of the present invention, and those skilled in the art can use other drawings and other embodiments based on these drawings without any creative effort. Can be conceived.

In order to simplify the drawings, each drawing schematically shows only the parts related to the present invention and does not show the actual structure of the product. Also, in order to simplify the drawings and make them easier to understand, in some drawings, one of the members having the same structure or function is schematically shown or one of them is marked. In the present specification, "one" includes not only "only one" but also "one or more".

1. 1. Creating a website Install a Windows Server 2008 or Windows Server 2008 or later version of the operating system (for example, Windows Server 2012 or Windows Server 2012 R2) on the first computer 1, create a website W on the first computer 1, and create a website W. The user information of the website W including the user personal information including the user name, password, name, telephone number, etc. is stored in the database B. The database B is installed in the second computer 4, and the step of storing the user information of the website W in the database B will be described in detail in Examples described later. Generally, engineers are. A development language or platform such as NET or JAVA is used to generate a web page of website W, but in the examples described later, the program developer may select a different development tool if necessary.

The first computer may be a Web server (Web Server) or an application server (Application Server).

The definition of the application server may be one of the following.
1) An application server is a computer that executes at least one server-side application capable of forming a server-side / client-side relationship corresponding to a client-side application in another computer or a client-side application in a mobile device.
2) The application server can receive the Web server data or command, further process the data and send it to the database server or other computer.
The second computer is a database server (Database Server). The database server mainly plays a role of receiving and storing data transmitted from a first computer (Web server, application server, or other computer).

2. 2. Setting 1) The first video card 5 and the third video card 7 are the same type of video card, and the same driver is used.

In the initial operation, neither the first video card 5 nor the third video card 7 outputs a signal, the first video card does not output the desktop contents of the first computer, and the third video card is the first, unless otherwise specified. 2 Do not output computer desktop content.

2) Perform the Recpic () function under the system directories of the first computer and the second computer (generally, the system directory is C: \ Windows \ System32 \) or under the directory specified by the user. Dynamic link library including Rec. A dll is added, and the functions that the function Recpic () may have will be described in detail with examples in the examples.

3) In the embodiment, the first computer includes software M, some programs P (abbreviated as program P), software F, software K and other programs, and the second computer includes software J, and these programs. The function of is explained in detail in the examples, and developers are generally used. Develop these programs using the development language (tool) or platform of NET, JAVA, etc. (program developers can select different development tools as needed).

4) The first computer transmits an image (or the second computer transmits an image through the video / image output port of the third video card) via the video / image output port of the first video card, and the image. The content identified from contains characters, numbers, letters, codes, the height of the content in the image is between 1.5mm-40mm, the background color in the image is white, and the content in the image The color is black and the line spacing in the content image is 1mm-15mm.

When the data in the image transmitted by the computer via the video / image output port of the video card is identified, the blank line is first deleted so that the data identified from the image in the embodiment does not include the blank line. ..

5) The first or third video card transmits 24 frames (or 60 frames) of images per second. The resolution of the image output by the first video card matches the resolution of the image collected by the first image collecting device, and the resolution of the image output by the third video card matches the resolution of the image collected by the second image collecting device. To do.

6) Refer to the list below for the format of the data in the image.

Table 1

Table 1 above shows the data format A in the image, and the display format on the screen is shown in FIG.

Table 2

Table 2 above shows the data format B in the image, and the display format on the screen is shown in FIG.

Table 3

Table 3 above shows the format C of the data in the image, and the display format on the screen is shown in FIG.

Table 4

Table 4 above shows the data format D in the image, and the display format on the screen is shown in FIG.

Table 5

Table 5 above shows the data format E in the image, and the display format on the screen is shown in FIG.

Table 6

The format F of the data in the image is shown in Table 6 above, and the display format on the screen is shown in FIG.

In one embodiment of the invention
1. User F opens the user registration page of website W, first enters the user name (zhang), then the password (Hello) twice, and then the name (ZhangSan) and telephone number (138888888888). After entering, click the "Register" button.

2. The first computer executes a part of the program P, the program P generates a number, and if the generated number is 6002, the number is gradually increased, and the program P is 6002, "Create", The user name, the password entered the first time, the password entered the second time, the name and the telephone number are stored in the image Z of one frame, and the program P stores the image Z of one frame in the image file 6002. Save as jpg (RGB mode), name the image file by number, 6002. Save the JPG under the D: \ Temp \ directory of the first computer, and the display format of the 1-frame image Z on the screen is shown in Fig. 3 (see Table 1 above for the data format of the 1-frame image Z). Shown in.

3. The first computer is the image file 6002. The jpg is converted into a signal suitable for VGA port transmission of the first video card (the first video card is considered to be a component of the first computer), and then the signal is transmitted to the first image acquisition device 2.

The usage is as follows (Note that other methods may be used without being limited to the following methods).

1) Program P is a dynamic link library Rec. Call the function Recpic () in the dll, 6002. The jpg is transmitted to the function Recpic (), and the function Recpic () executes some programs to 6002. Acquire data information of jpg (data information includes RGB value of a pixel, picture width, picture height, and bit width occupied by a single pixel).

2) The function Recpic () calls the driver of the first video card, and the image file 6002. The data information of jpg is transmitted to the driver of the first video card, and then the driver of the first video card sends the image file 6002. The data information of jpg is transmitted to the frame memory of the first video card.

3) Image file 6002. When all the data information of jpg is transmitted to the frame memory, the first video card converts the received data into an image signal suitable for VGA port transmission, and then transmits the image signal to the first image collecting device 2.

4. Program P scans the D: \ receipt directory every 2 seconds to detect whether there is a text file named by number under the directory. In this embodiment, the text file named by number is 6002. It is txt.

5. The first image collecting device receives an image from the video / image output port of the first video card of the first computer, and the first computer receives the image file 6002. When jpg is sent, the image file 6002. Delete jpg.

6. The first image collecting device transmits the received image to the second computer, and the second computer transmits the image to 0001. The image is stored as jpg, or the first image collecting device stores the received image as 0001. JPG, 0001. Save it as a JPG, store it in its memory, and then 0001. Send JPG to the second computer. As a naming convention for image files, the number is gradually increased from 0001.

7. The second computer is 0001. The JPG is stored under the D \ recpic \ directory of the second computer, and when it is started, software J is executed, and software J automatically detects whether or not there is a new file under the D \ recpic \ directory. , Software J has a new file 0001. Under the D \ recpic \ directory. When it is detected that there is JPG, 0001. Identifies and acquires data in JPG.

8. When the software J determines that the second line of the data is "Create", the second computer performs the following operations.

Using the third line of the data read by the software J first as the user name, the user name is searched from the user list of the database B, and then the fourth and fifth lines of the data read by the software J are compared.

1) If the user name does not exist in the user list and the data in the 4th line and the 5th line in the data read by the software J match, the software J uses the data in the 3rd line in the data as the user name, 4 The data in the first line is stored in one record in the database B as the password in the sixth line, the data in the sixth line as the name, and the data in the seventh line as the telephone number. "Success" is stored in the image R of one frame, and the image R of one frame is stored in S6002. Save as jpg and S6002. Store the JPG under the D \ sendpic \ directory of the second computer. Here, the display format of the image R of one frame on the screen is shown in FIG. 4 (see Table 2 above for the format of the data in the image R of one frame), and the naming convention of the image file is "S" + 1 in the data. It is the data of the line.

2) If the user name exists in the user list, or if the data on the 4th and 5th lines in the data read by Software J does not match, "the user name already exists or the password entered twice does not match". Returning to, the software J stores the data in the first line of the data, the user registration failure indicator, and "the user name already exists or the password entered twice does not match" in the image R of one frame, and the software J stores the data in one frame. Image R is S6002. Save as jpg and S6002. Store the JPG under the D \ sendpic \ directory of the second computer. Here, the display format of the image R of one frame on the screen is shown in FIG. 5 (see Table 3 above for the format of the data in the image R of one frame), and the naming convention of the image file is "S" + 1 in the data. It is the data of the line.

9. The second computer is the image file S6002. Convert the jpg to an image signal suitable for VGA port transmission of the 3rd video card (the 3rd video card is considered to be a component of the 2nd computer), then transfer the image signal to the 2nd image collector only once. Send.

The usage is as follows (Note that other methods may be used without being limited to the following methods).

1) Software J is a dynamic link library Rec. The function Recpic () in the dll is called, and the function Recpic () is the image file S6002. Read jpg, execute some programs, and S6002. The data information of jpg is acquired (the data information includes the RGB value of a pixel, the picture width, the picture height, and the bit width occupied by a single pixel).

2) The function Recpic () calls the driver of the third video card and receives S6002. The data information of jpg is transmitted to the driver like the third video card, and then the driver of the third video card is the image file S6002. The data information of jpg is transmitted to the frame memory of the third video card.

3) Image file S6002. When all the data information of jpg is transmitted to the frame memory, the third video card converts the received data into an image signal suitable for VGA port transmission, and then transmits the image signal to the second image collecting device 2.

The step of converting an image or an image file into an image signal suitable for VGA port transmission of a video card by a computer will not be described in detail in other embodiments.

10. The second image collecting device 3 receives the image from the image / video output port of the third video card of the second computer, and then transfers the image to R0001. It is saved as JPG and stored in the memory of the second image collecting device, and the second image collecting device is R0001. The JPG image is transmitted to the first computer, or the received image is transmitted to the first computer, and the first computer transmits the received image to R0001. Save as jpg. The naming convention for image files is "R" + file number, and the file number increases sequentially from 0001.

11. The first computer is R0001. The JPG is stored under the D: \ recpic \ directory of the first computer, and when it is started, software M is executed and software M automatically detects whether or not there is a new file under the D \ recpic \ directory. Then, under the D \ recpic \ directory, a new file R0001. When it is detected that there is JPG, software J and software M are R0001. When the data in JPG is identified and acquired and the number in the first line in the data is 6002, the software M obtains the data 6002. Save as txt, 6002. Save txt under the D: \ recfile directory, and R0001. In the first computer. Delete JPG.

12. By program P, 6002. Under the D: \ receipt directory. When it is detected that txt is present, the first computer further performs the following operations.

1) 6002. If the character of the second line in the txt file is "Y", the first computer sends "user registration success" to user F's computer, and "user registration success" is displayed on the monitor of user F's computer. ..

2) 6002. If the character of the second line in the txt file is "N", the first computer sends "the user name already exists or the password entered twice does not match" to the user F's computer, and the user F's computer "The user name already exists or the password entered twice does not match" is displayed on the monitor of.

3) Program P is 6002 in the first computer. Delete txt.

In another embodiment of the invention,
Setting The first computer executes one Server-side application, the service data used by the Server-side application is stored in the database B, and the Server-side application receives the login request of the application U on the user's mobile phone. , The server side application and the program U in the user's mobile phone exchange data with each other.

1. User F opens the user login web page of website W, enters the user name (zhang) and password (Hello), and clicks the "Login" button, or user F is the application U on the mobile phone. Enter the user name (zhang) and password (Hello), and click the "Login" button.

2. The first computer executes a part of the program P which is a part of the application of the website W or a part of the application on the server side, the program P generates a number, and the number generated this time is 8002. If so, the numbers are gradually increased, the program P stores 8002, "login", the user name and the password in the image T of one frame, and the image T is 8002. Save as jpg and 8002. Store jpg in the D: \ pic directory of the first computer. Here, the display display format of the one-frame image T on the screen is shown in FIG. 6 (see Table 4 above for the data format of the one-frame image T).

3. The first computer is the image file 8002. The jpg is converted into a signal suitable for VGA port transmission of the first video card (the first video card is considered to be a component of the first computer), and then the signal is transmitted to the first image acquisition device only once. , Program P is an image file 8002. Delete jpg.

5. Program P scans the D: \ refile directory every second to detect whether there is a text file named by number under the directory. In this embodiment, the text file named by number is 8002. It is txt.

6. The first image collecting device receives the image T from the video / image output port of the first video card of the first computer, and obtains the image T at 0001. Save as JPG, store in that memory, then 0001. The JPG is transmitted to the second computer, or the image T is transmitted to the second computer, and the second computer transmits the image T to 0001. It is saved as jpg, and in this step, it is gradually increased from 0001 as a naming convention of the image file.

7. The second computer is 0001. Save the jpg in the D: \ pic directory of the second computer, and when it is started, execute software J, and software J automatically detects whether there is a new file under the D \ recpic \ directory. Then, a new file 0001. Under the D \ recpic \ directory. When it is detected that there is JPG, 0001. Identifies and acquires data in JPG.

8. When the software J determines that the second line of the data is "login", the second computer performs the following operations. The third line of the data read by the software J is the user name, the fourth line is the password, and the software J reads the calibrated user name and password recorded in the database B.

A) When the user name and password match, the personal information of the user, which is the name and telephone number, is returned. The software J stores the data of the first line in the data, the user login success indicator, and the user's personal information in the image Y of one frame, and the display format of the image Y of one frame on the screen is shown in FIG. 7 (1). See Table 5 above for the format of the data in the frame image Y).

B) If the user name and password do not match, the process returns to "user name and password do not match", and Software J displays the data in the first line of the data, the user login failure indicator, and "user name and password do not match". The data format stored in the image Y of one frame and displayed on the screen of the image Y of one frame is shown in FIG. 8 (see Table 6 above for the format of the data in the image Y of one frame).

9. The second computer converts the image Y into an image signal suitable for VGA port transmission of the third video card (the third video card is regarded as a part constituting the second computer), and then converts the image signal into an image signal. It is transmitted to the second image collecting device only once.

10. When the second image collecting device receives the image Y from the image / video output port of the third video card of the second computer, the second image collecting device transfers the image Y to R0001. Save as JPG, then R0001. The JPG is transmitted to the first computer, or the image Y is transmitted to the first computer, and the first computer transmits the image Y to R0001. Save as JPG. In this step, the naming convention for the file name of the image file is "R" + the file number, and the file number is sequentially increased from 0001.

11. The first computer is R0001. The JPG is stored under the D: \ recpic \ directory of the first computer, and when it is started, software M is executed, and software M automatically checks whether there is a new file under the D \ recpic \ directory. Detected and created a new file R0001. Under the D \ recpic \ directory. When it is detected that there is JPG, R0001. If the user's personal information or data including "user name and password do not match" in JPG is identified and acquired, and the number in the first line of the data is 8002, the software M obtains the data 8002. Save as txt, 8002. Save txt under the D: \ recfile directory, and R0001. In the first computer. Delete JPG.

8002. Under the D: \ receipt directory by program P. When it is detected that txt is present, the first computer further performs the following operations.

If the number in the first line of the data is 8002, the first computer further performs the following operations.

1) 8002. If the character of the second line in txt is "Y", the first computer transmits the user's personal information to the user F's computer or mobile phone, and "user" is sent to the user F's computer monitor or mobile phone application. "Login successful" is displayed.

2) 8002. If the character of the second line in txt is "N", the first computer sends "the user name already exists or the password entered twice does not match" to the user F's computer or mobile phone, and the user "User name and password do not match" is displayed on the computer monitor of F or the application of the mobile phone.

3) Program P is 8002 in the first computer. Delete txt.

In another embodiment of the invention, the hardware is further required as follows.

The first image collecting device is an image collecting card attached to the second computer, and the second image collecting device is an image collecting card attached to the first computer.

1. User F opens the user login web page of website W, enters the user name and password, and clicks the "login" button.

2. The first computer executes a part of the program P to generate a number in the range of 5000-65535. If the generated number is larger than 65535, the number is equal to 5000 and the number is gradually increased. Assuming that the number to be generated is 8002, the program P stores 8002, "login", the user name and the password in the image X of one frame, and the display format of the image X of one frame on the screen is shown in FIG. (See Table 4 for the format of the data in the image X of one frame).

4. The first computer converts the image X into a signal suitable for VGA port transmission of the first video card (the first video card is considered to be a component of the first computer), and then converts the signal into the first image. Send to the collector only once.

5. The program P executes some socket server-side programs and some socket receiving-side (server-side) programs in order to receive data, and the socket communication port number used by some socket receiving-side programs. Is 8002.

6. The first image collecting device collects (receives) the image X from the video / image output port of the first video card of the first computer.
The driver of the first image acquisition device is the dynamic link library Rec. Of the second computer. The function Recpic () in the dll is called, and the image X is transmitted to the function Recpic ().

7. Rec. Of the second computer. The function Recpic () in the dll executes a part of the image identification program to identify the data in the image X, and the second computer performs the following operations.

Rec. Of the second computer. When the second line of the data is determined to be "login" by the Recpic () function in the dll, Rec. Of the second computer. The third line of the data read by the Recpic () function in the dll is the user name, the fourth line is the password, and the Rec. The function Recpic () in the dll reads the calibrated username and password recorded in database B.

A) If the user name and password match, the personal information of the user, which is the name and telephone number, is returned. Rec. Of the second computer. The function Recpic () in the dll stores the number, the user login success indicator and the user's personal information in the image S of one frame, and the display format of the image S of one frame on the screen is shown in FIG. 7 (image of one frame). See Table 5 above for the data format in S).
B) If the user name and password do not match, the process returns to "User name and password do not match", and Rec. The function Recpic () in the dll stores the number, the user login failure indicator and the "user name and password do not match" in the image S of one frame, and the display format of the image S of one frame on the screen is shown in FIG. (See Table 6 above for the data format in the 1-frame image S).

10. The second computer (the third video card is considered to be a component of the two computers) converts the image S into a signal suitable for VGA port transmission of the third video card, and then converts the signal into a second signal. Send to the image collector only once.

11. The second image collecting device collects (receives) the image S from the video / image output port of the third video card of the second computer, and the driver of the second image collecting device is Rec. The function Recpic () in the dll is called, and Rec. The function Recpic () in the dll executes some image identification programs to identify and acquire the data in the image S.
If the number in the first line of the data is 8002, then Rec. Of the first computer. The function Recpic () in dll executes some socket sender programs (client-side programs), some socket sender programs send data identified from the image, and some socket sender programs. The socket communication port number used by is 8002.

12. The software P in the first computer receives the data, and the first computer further performs the following operations.

1) If the data includes the character "Y", "user login success" and the user's personal information, the first computer transmits the user's personal information to the user F's computer, and the user F's personal information is included. "User login successful" is displayed on the computer monitor.
2) If the data includes the character "N" and "user name and password do not match", the first computer says "user name already exists or password entered twice does not match". Is sent to the computer of user F, and "user name and password do not match" is displayed on the monitor of the computer of user F.

In another embodiment of the invention,
1. The first computer executes software K, and software K is a file in the first computer. Open txt and file 1. Content in txt is less than 10 lines, or file 1. If the content in txt is less than 400 kanji, software K has the file name "1. txt" and the file 1. The content in txt is stored in the image X which may be a two-dimensional code image of one frame, the file name "1. txt" is stored in the first line of the image X, and the image X is stored in the image queue or the task list. Remember in.

2. The first computer converts the image X into a signal suitable for VGA port transmission of the first video card, the signal suitable for VGA port transmission is called signal Y, and the signal Y is via the VGA port of the first video card. Will be sent.

3. The first image collecting device receives the signal Y from the video / image output port of the first video card of the first computer, and receives the signal 0001. Convert to jpg and send to the second computer.

4. The second computer is 0001. Receive JPG and 0001. The JPG is stored in the D \ recpic \ directory of the second computer, then the software J is executed, and the software J is 0001. Data in JPG is identified (identified and decoded) and acquired.

5. The first line in the data is "1. txt", and the data other than the first line in the data is 1. Store as txt, or store data other than the first line in the data. Store as doc.

In another embodiment of the invention,
The first and second computers are equipped with a webcam so as to align with the screen of the first computer, and the second computer and the first computer are not located in the same local area network.

The second computer and the first computer are connected via two or one RS232 serial line.

3. The first computer is one file 1. Open txt, 1. If the content in txt is less than 10 lines, 1. The content in txt is displayed on the entire screen of the first computer.

4. The first computer transmits a signal to the second computer via the RS232 serial line.

5. When the second computer receives the signal transmitted from the first computer, it takes a picture and displays an image. Save as jpg.

6. The second computer executes some image identification software, and the image identification software first 2. The content X in jpg is identified, and then the file name is 1. From the first line of the content X. Obtain txt, finally delete the characters on the first and second lines in the content X, and then delete the remaining content. txt or 1. Save as doc.

In any of the above embodiments,
The output port of the video card may be an image output port of DVI, HDMI, etc., and the input port of the corresponding image collecting device can also use the corresponding image input port, and the first computer is associated with the image. / The image file is converted into a signal suitable for transmission to the output port of DVI or HDMI of the first video card and transmitted, and the second computer transmits the related image / image file to the output port of DVI or HDMI of the third video card. It is converted into a signal suitable for transmission and transmitted.

Any device that can acquire data from the first computer and transmit an image signal to the image collecting device can be used as a substitute for a video card. Based on the technique in the above embodiment, the user can perform a plurality of types of operations such as changing a user password.

In addition, the conventional work (or some work) of the first computer can be performed by two computers (the first computer and the third computer), and the website is created by the third computer which is a web server. The third computer sends the information necessary for accessing the database to the first computer, the first computer stores the information necessary for accessing the database in the image A, and the image A is stored by the first image collecting device. It sends to a database server (second computer) (detailed description of other steps is omitted), at which time the first computer is also referred to as an application server.

In another embodiment of the invention, as shown in FIG. 1, the data transmission method transmits data between a first computer and a second computer and includes the following steps.

In step S10, the first computer transmits the first data to the first image collecting device via the video / image output port of the video card of the first computer.
The first image collecting device includes an image input port connected to an image output port of the first computer, and the image output port of the first computer includes an output port of a video card of the first computer.
The video / image output port of the video card of the first computer is the image output port of the first computer.

In step S20, the first image collecting device receives the first data and transmits the first data to the second computer, or processes the first data to generate the second data, and the second data is second. Send to computer.

In step S30, the second computer outputs the third data generated by processing the first data or the second data to the second image collecting device via the video / image output port of the video card of the second computer. Send.
The video output port of the video card of the second computer is the image output port of the second computer.
The second image collecting device has an image input port connected to an image output port of the second computer.
The image output port of the second computer includes the output port of the video card of the second computer.

In step S40, the second image collecting device transmits the third data to the first computer, or processes the third data to generate the fourth data, and transmits the fourth data to the first computer.

Preferably, the first image collecting device includes an image input port connected to an image output port of the first computer, and the image output port of the first computer includes an output port of a video card of the first computer.
Preferably, the third data is generated by processing the first data or the second data in the second computer.

Preferably, before the first data is transmitted, and when the first computer receives an access or change request to the database sent from the browser or application, the information necessary to fulfill the request is provided by the first computer. Stored in the first data, or the first computer stores the content in one file of the first computer in the first data, or the first computer processes the content in one file of the first computer. Stored in the first data, or the first computer stores the content in the web page in the first data, or the first computer stores the content acquired from the outside by the computer in the first data, or The first computer stores the information in the first computer in the first data.

Preferably, the first computer stores one file of the first computer in the first data, and when the second computer receives the first data, it reduces the first data to a file or converts the first data. Store in a new file.

In another embodiment of the present invention, as shown in FIG. 2, the data transmission device includes a first computer 1, a first image acquisition device 2, and a second computer 3, and the first computer 1 is a first computer. The image is connected to the first image collection device 2 via the image output port of the above, the first image collection device is connected to the second computer 3, and the first image collection device is connected to the image output port of the first computer. The image output port of the first computer includes the input port, and the image output port of the first computer includes the output port of the video card of the first computer.

The first computer 1 further includes a second video card 6 connected to the first monitor 9, and the contents of the first computer 1 are displayed on the first monitor 9 via the second video card 6. Similarly, the second computer 2 further includes a fourth video card 8 connected to the second monitor 10, and the content in the second computer 2 is displayed on the second monitor 10 via the fourth video card 8.

Preferably, a second image collecting device 3 is further provided. The image output port of the second computer is connected to the input port of the second image collection device 3, the image collection device includes an image input port connected to the image output port of the second computer, and the second image collection device is the second. Connected to one computer, the image output port of the second computer includes the output port of the video card of the second computer.

Preferably, the first computer sends the first data to the first image collector via the image output port of the first computer, and the second computer receives the first data from the first image collector, or The first image collecting device processes the first data, generates the second data, and transmits the second data to the second computer.

Preferably, the second computer transmits the third data to the second image acquisition device via the video card of the second computer.

Preferably, the third data is generated by processing the first data or the second data in the second computer.

The above examples can be arbitrarily combined as needed. The above is only a preferred embodiment of the present invention, and a person skilled in the art can make some improvements and modifications without deviating from the principle of the present invention, and these improvements and modifications are also the scope of protection of the present invention. Belongs to.

1. 1. First computer, 2. First image collector, 3. Second image collector, 4. Second computer, 5. First video card, 6. Second video card, 7. Third video card, 8. 4th video card, 9. 1st monitor, 10. Second monitor.

Claims (9)

A data transmission method for transmitting data between a first computer and a second computer.
A step wherein the first computer, and transmitting the first data to the first image collection device via the image output port of said first computer, said first data is image,
The step in which the first image collecting device receives the first data,
The first image collecting device transmits the first data to the second computer, or converts the first data into second data which is an image file, and transmits the second data to the second computer. Steps to do and
The second computer identifies the first data or the second data to acquire the first content, or the first image collecting device identifies the first data to obtain the second content. Acquired, the first image collecting device transmits the second content to the second computer, and the second computer receives the data information contained in the first content or the second content and the second computer. If the data information matches, the first data or the second data includes a step of generating a third data which is an image, and includes.
The first image collecting device includes an image input port connected to an image output port of the first computer.
A data transmission method, wherein the image output port of the first computer includes an output port of a video card of the first computer. A data transmission method according to claim 1, before the first computer transmits the first data to the first image acquisition apparatus further comprises the following steps,
When the first computer receives an access or change request to the database transmitted from the browser or application, the information for fulfilling the request is stored in the first data, or
The first computer stores the contents in one file of the first computer in the first data, or
The first computer stores the contents in one file of the first computer in the first data, or
The first computer stores the content on the web page in the first data, or
The first computer stores the content acquired by the first computer from the outside in the first data, or
The data transmission method according to claim 1, wherein the first computer includes a step of storing information in the first computer in the first data. After the step of generating the third data, further
The second image collecting device transmits the third data to the first computer, or converts the third data into fourth data which is an image, and transmits the fourth data to the first computer. Including steps
The second image collecting device includes an image input port connected to the image output port of the second computer.
The data transmission method according to claim 1, wherein the image output port of the second computer includes an output port of a video card of the second computer. The data transmission method according to any one of claims 1 to 3 , wherein the first computer is a Web server or an application server. The data transmission method according to any one of claims 1 to 3 , wherein the second computer is a database server. A data transmission device using the data transmission method according to any one of claims 1 to 5, further comprising a first computer, a first image collecting device, and a second computer.
The first computer is connected to the first image collection device via the image output port of the first computer, the first image collection device is connected to the second computer, and is connected to the image output port of the first computer. A data transmission device including an image input port to be used, and the image output port of the first computer includes an output port of a video card of the first computer. In addition, it is equipped with a second image collection device.
The image output port of the second computer is connected to the input port of the second image collection device, and the second image collection device includes an image input port connected to the image output port of the second computer. The data transmission device according to claim 6 , wherein the image output port of the second computer is connected to one computer and includes an output port of a video card of the second computer. The first computer transmits the first data to the first image collecting device via the image output port of the first computer, and the second computer receives the first data from the first image collecting device. Or,
The data transmission device according to claim 6 or 7 , wherein the first image collecting device converts the first data into second data and transmits the second data to the second computer. The second computer is characterized in that the video card of the second computer transmits to the second image collecting device the first data transmitted to the second computer or the third data obtained by converting the second data. The data transmission device according to claim 7 .