TWI649655B - Remote management method - Google Patents

Abstract

The present invention provides a remote management method, comprising at least the following steps: providing a remote management device; coupling the remote management device to a target computer; enabling the remote management device to be centrally controlled via a network Controlling; causing the target computer to be controlled by the cursor control device connected to the remote control device by the remote control device; wherein the central control computer displays a thumbnail representing one of the target computers; The map is zoomed in (Zoom-In), and the portion of the thumbnail that is visible after zooming in does not exceed the thumbnail region.

Description

Remote management method

The present invention relates to a remote management method, and more particularly to a remote management method for dynamically viewing a remote image.

The Keyboard-Video-Mouse Switch (KVM Switch) allows the user U to control multiple controlled (target) computers with a single keyboard, screen and mouse. This set of keyboards, screens, and mice is connected to multiple controlled (target) computers via a KVM switch. Through the KVM switch, the signal from the screen and the mouse can be transmitted to one of the selected controlled (target) computers, and the controlled (target) computer can also output images to the screen via the KVM switch. This saves space, energy and hardware costs. The KVM switch is suitable for data center, computer room, general personal and factory equipment.

Please refer to the first A picture. A multi-computer switch 15 with a network interface can be called an IP-based KVM switch, which further makes a central control computer 30 (generally a table). The user U of the type or laptop can manage a plurality of remotely located target computers (or called controlled computers) 20 through the network and view the images transmitted from the target computer 20 via the network. The network type KVM switch is simulated as a set of keyboards, screens and mice directly connected to the target computer 20, and the screen outputted by the target computer 20 is captured and transmitted back to the central control computer 30 via the network. For example, in this way, users located in Area A can remotely manage the servers located in the computer room through the network type KVM switch, as if they were directly controlled in the B area. Standard computer.

In addition, please refer to the first B picture. The general network type KVM switch can connect dozens of target computers 20, and multiple network type KVM switches can connect up to hundreds of targets. The computer 20, in order to manage these large number of target computers 20 more effectively, the conventional network type KVM switch provides a so-called Picture-In-Picture (PIP) mode, which is a multi-target computer 20 A thumbnail of the output desktop image is simultaneously presented in an array on the screen of the computer 30. The advantage of this mode is that the user of the KVM can preview the current picture of the target computer 20 before selecting the target computer 20. Therefore, the segmentation of each target computer 20 can be clearly defined, and can be viewed at one time. The target computer of the station 20.

However, since the so-called split picture mode is presented in a thumbnail manner, it is relatively difficult for the user U to see the details in the picture relatively easily. For example, if the split picture mode is presented in a 9-segment manner, the thumbnail image on it will be only one-ninth of the original picture size; if the split picture mode is presented in a 42-segment manner, the thumbnail on it There will be only 42 of the original picture size. If the user U wants to see the details in the picture, he/she must leave the split mode to enter the full screen mode (or may be referred to as "single picture mode", which only presents the image of a single target computer in the central control computer). However, in this way, the user U cannot see the desktop images output by the plurality of target computers 20 at a time. That is to say, the traditional network type KVM switch does not have the need to "see the desktop of multiple target computers at a time, and can see the details".

Therefore, under the traditional networked KVM switch architecture, if the user U wants to switch to another target computer, he may not know how to quickly select the desired one from among the plurality of target computers. Taiwan target computer. At this time, in order to find the target computer he wants, the user U may have to enter the aforementioned split screen mode to preview other target computers. The picture of the brain. However, in fact, the user can obviously feel that the formation of the split screen requires a waiting time, because at this time, the network type KVM switch may have more than one central control computer, and the network type KVM switch is impossible. All hardware resources (the part related to image capture capability) are invested in the formation of split screens. Network-based KVM switches must still retain some hardware resources to take care of other users of other central control computers ( In single-picture mode, that is, the network type KVM switch still has to capture the screen of some target computers. Therefore, the network type KVM switch cannot actually capture more than a certain number of target computers at the same time. The network type KVM switch can only retrieve multiple target computers in sequence with some of its hardware resources. The screen to serve the central control computer in split mode. Therefore, if the user U frequently switches back and forth between the split screen mode and the single screen mode, the user may be inconvenient and inconvenient in use.

In view of the above, the present invention provides a remote management method, including at least the following steps: 301 provides a remote management device; 302 couples the remote management device to a target computer; 303 enables the remote management device to The network is controlled by a central control computer; 304 enables the target computer to be controlled by the remote control device by a cursor control device connected to the central control computer; 305 zooms in on the thumbnail by a reference point ( Zoom-In), and the portion of the thumbnail that is visible after zooming in does not exceed the thumbnail area.

Another embodiment of the present invention provides a remote management method, including at least the following steps: 301 providing a remote management device; 302 coupling the remote management device to a first target computer and a second target computer 303, the remote management device can be controlled by a central control computer via the network; 304 enables the first target computer or the second target computer to pass through the remote end The management device is controlled by one of the cursor control devices connected to the central control computer; 305 zooms in on the first or second thumbnail image by a reference point, and zooms in on the first contraction The visible portion of the graph does not exceed the first thumbnail region.

Another embodiment of the present invention provides a remote management method, including at least the following steps: 301 providing a remote management device; 302 coupling the remote management device to a first target computer and a second target computer 303, the remote management device can be controlled by a central control computer via a network; 304 enables the first or second target computer to be connected to the cursor control device by the central control computer via the remote management device Controlled; 305 zooming in on the first thumbnail, and the zooming in the first thumbnail does not affect the second thumbnail.

Another embodiment of the present invention provides a remote management method, including at least the following steps: 301 provides a remote management device; 302 couples the remote management device to a first machine device and a second device The device 303 enables the remote management device to be controlled by a central control computer via the network; 304, the remote management device converts the operation of one of the cursor control devices connected to the central control computer to the first The operation of the machine device or the second machine device; 305, the remote management device respectively captures the image signals output by the first machine device and the second device; 306 displays a window in the central control computer The window has a first thumbnail area and a second thumbnail area, wherein the first thumbnail area can display a first thumbnail image, and the second thumbnail area can display a second thumbnail image. And the first thumbnail image is related to the image signal captured by the first machine device, the second thumbnail image is related to the image signal captured by the second machine device; and 307 is determined by a reference point One or the second thumbnail is zoomed in (Zoom-In), and The visible portion of the first thumbnail near the region does not exceed the first thumbnail.

15‧‧‧Multicomputer switcher

20‧‧‧Target computer

30‧‧‧Central computer

100‧‧‧ Remote Management System

110‧‧‧Central computer

120‧‧‧Target computer

200‧‧‧ Remote management device

210‧‧‧Computer interface

210a‧‧‧Computer Connection埠

220‧‧‧Internet interface

250‧‧‧Image Processing Module

260‧‧‧Central Processing Unit

500‧‧‧Computer Interface Module

510‧‧‧First RS-485 Transceiver

520‧‧‧Second RS-485 transceiver

530‧‧‧Differential drive

540‧‧‧Differential Receiver

600‧‧‧Category

700‧‧‧Window

710‧‧‧ Thumbnail area

720‧‧‧ thumbnail

C‧‧‧ center point

U‧‧‧Users

V‧‧‧ users

The first A diagram is a schematic diagram of a conventional remote management system.

The first B diagram is a schematic diagram of a conventional remote management system.

The second A diagram is a schematic diagram of an embodiment of the invention.

The second B diagram is a schematic diagram of another embodiment of the invention.

The second C diagram is a schematic diagram of another embodiment of the invention.

The third A diagram is a flow chart of an embodiment of the present invention.

The third B diagram is a schematic diagram of another embodiment of the present invention.

The third C diagram is a schematic diagram of another embodiment of the invention.

The third D diagram is a schematic diagram of another embodiment of the invention.

The third E diagram is a schematic diagram of another embodiment of the present invention.

The third F diagram is a schematic diagram of another embodiment of the invention.

The third G diagram is a schematic diagram of another embodiment of the invention.

Figure 4A is a schematic view of another embodiment of the present invention.

Figure 4B is a schematic view of another embodiment of the present invention.

The fifth figure is a schematic view of another embodiment of the present invention.

The remote management method of the present invention is preferably applied to a remote management system 100. Referring to FIG. 2A, the remote management system 100 includes at least the remote management device 200. In a preferred embodiment, the remote management device 200 can be a network type KVM switch, and the network type KVM switch 200 can manage one or more target computers 120. One end of the remote management device 200 is coupled to the central control computer 110 via a network, and the other end of the remote management device 200 is coupled via a suitable interface. To the target computer 120. The network may be the Internet, a local area network (LAN), a wide area network (WAN), an integrated services digital network (ISDN), an asynchronous transport network (ATM), or other types of networks. There are no specific restrictions. In this way, the remote management device 200 as a bridge enables the central control computer 110 to control the target computer 120 via the network, that is, the target computer 120 reacts to the operation commands from the central control computer 110. The central control computer 110 has a set of screen and cursor control devices, such as a keyboard, mouse, trackball or trackpad. In addition, the remote management device 200 can simulate a set of screens, keyboards, and mice, or other devices. Thus, the target computer 120 outputs an image signal to the remote management device 200, and receives a keyboard and a mouse signal. The screen, keyboard and mouse of the central control computer 110 are mapped to the screen, keyboard and mouse simulated by the remote management device 200. Therefore, via the remote management system 100, the operation of the user U for the keyboard and the mouse is converted into operation for the target computer 120.

It should be noted that the remote management device 200 of the present invention can provide a near-end (non-network-based) central control device (such as a keyboard) in addition to the function of the user U that can provide the network to control the target computer 120. The connection interface of the screen and the mouse allows the user V of the central control device to operate the target computer 120 at the near end of the remote management device 200. The proximal central control device also enables the user V to use the split picture mode as will be described below in the present invention.

Referring to FIG. 2B, the remote management device 200 has a computer interface 210, a network interface 220, and an image processing module 250. The computer interface 210 is used to connect to at least one target computer 120. The network interface 220 is connected to the network. The system is coupled to the central control computer 110 so that the central control computer 110 and the remote management device 200 can communicate according to an appropriate network communication protocol (for example, a TCP/IP protocol group) to exchange data. The image processing module 250 is mainly used to capture the image signal output by the target computer 120 and perform subsequent image processing. May include color depth during image processing Adjustment, image coordinate conversion, image compression and encoding steps. The image processing module 250 may also include a function of restoring the differential image signal to a single-ended image signal and converting the analog image signal into digital image data.

In a preferred embodiment, the computer interface 210 of the remote management device 200 has one or more computer ports 210a that can be connected to the target computer 120. In a preferred embodiment, each computer port 210a of the remote management device 200 can further have an image input port and a keyboard/mouse output port. The image input port is used to connect the image output port of the target computer 120; the keyboard/mouse output port is used to connect the keyboard/mouse input port of the target computer 120. Keyboard/mouse input 埠 or keyboard/mouse output 埠 can be USB interface, PS/2 interface or any other suitable interface. Moreover, for the remote management device 200, the image input port and the keyboard/mouse output port of each computer port 210a can be integrated into a single connector.

In another preferred embodiment, the computer interface 210a of the computer interface 210 is coupled to another target computer 120 via a Computer Interface Module (CIM) 500. In this case, the computer interface 210a of the computer interface 210 has at least one RJ-45 connector, such that the computer interface can pass through the RJ-45 connector of the CAT-5 Cable 600 and the computer interface module. connection. That is, one end of the five types of cable is connected to the RJ-45 connector of the computer interface, and the other end is connected to the RJ-45 connector of the computer interface module 500. The functions of the computer interface module 500 can include an analog keyboard, a screen and a mouse, and processing of the image signal to extend the distance that the image signal can be transmitted. In order to simulate the keyboard and mouse, the computer interface module has a controller that can communicate according to the keyboard and mouse related protocols, such as a USB device controller or a PS/2 controller. To simulate the screen, the computer interface module 500 has a memory for storing EDID, such as an EEPROM.

Referring to FIG. 2C, the computer interface module 500 is used to extend the distance between the remote management device 200 and the target computer 120, for example, up to 1000 inches. The computer interface module 500 has a first RS-485 transceiver (Transceiver) 510 and a differential driver 530. Correspondingly, the computer interface 210 at the end of the remote management device 200 has a second RS-485 transceiver (Transceiver) 520 and a differential receiver 540. The first RS-485 transceiver 510 is configured to receive control signals and data from the remote management device 200, such as a keyboard/mouse signal, according to the RS-485 protocol. The differential driver 530 is configured to convert the single-ended video signals (such as RGB signals and synchronization signals) outputted by the target computer 120 into three sets of differential video signals for transmission to three pairs of twisted pairs in the five types of lines 600. Remote management device 200.

In addition, the differential receiver 540 corresponds to the differential driver 530 for receiving the three sets of differential video signals from the target computer 120 and restoring them to the original single-ended video signal. The second RS-485 transceiver 520 of the computer interface 210 corresponds to the first RS-485 transceiver 510 of the computer interface module 500 for exchanging data with the computer interface module 500 according to the RS-485 protocol, so as to be centrally controlled. The keyboard/mouse signal of the computer 110 is transmitted to the target computer 120. The computer interface module 500 can also be referred to as an adapter (Adapter), a server interface module (SIM), or a computer access module (CAM).

Still referring to the second C diagram, the remote management device 200 can further include a central processing unit 260, and the second RS-485 transceiver 520 and the differential receiver 540 can be part of the aforementioned computer interface 210. The function of the central processing unit 260 includes at least coupling the image processing module 250 to the network interface 220 and coupling the network interface 220 to the second RS-485 transceiver 520. The central processing unit 260 is mainly used for packaging the digital image data from the image processing module 250 into a network packet and parsing a network packet from the central control computer 110 about the keyboard or the mouse, and then the relevant keyboard. Or the mouse's operational message is transmitted to the corresponding first RS-485 transceiver 510 via the second RS-485 transceiver 520. The central processing unit 260 can also serve as the upper layer of the related network protocol involved in network communication by the network interface 220. If the OSI model is used as an example, when the network interface 220 is used as a physical layer and a data link layer, the central processing unit 260 can serve as a network layer, a transport layer, a conference layer, a presentation layer, and an application. Floor. If the DoD model is used as an example, when the network interface 220 is used as a link layer, the central processing unit 260 can serve as a network layer, a transport layer, and an application layer. The above functions of the central processing unit 260 can be implemented by a controller, an application specific integrated circuit (ASIC) or an FPGA.

When the user U of the central control computer 110 operates the target computer 120 via the keyboard/mouse or other control device at the end of the central control computer 110, the central control computer 110 will control the control signal output by the keyboard/mouse according to the appropriate The network communication protocol is converted to a network packet for transmission to the remote management device 200 via the network. Moreover, the remote management device 200 can receive the network packet sent by the central control computer 110 via its network interface 220, and then parse the control signal contained in the network packet into a standard format readable by the target computer. For example, a standard USB signal or a PS/2 signal is as if it were directly sent to the target computer 120 by the keyboard/mouse of the central control computer. That is, the remote management device 200 can restore the network packet sent by the central control computer 110 to the original control signal and output it to the target computer 120 to further control the target computer 120.

On the other hand, the image signal (for example, VGA signal) output by the target computer 120 in response to the control signal of the central control computer 110 is captured by the image processing module 250 into a plurality of consecutive image frames, and then The image is processed and converted into a network packet and transmitted back to the central control computer 110 via the network according to an appropriate network communication protocol. This capture may include the process of converting an analog video signal into digital image data, such as converting the RGB components of the analog signal separately. Change to a pixel value of 0 to 255 (Pixel Value) and store it in memory in binary mode. And the above image processing process may also include the steps of image compression or encoding, which is performed before converting the image frame into a network packet.

In addition, in more detail, the image processing module 250 divides the image frame into a plurality of blocks, and compares all the blocks of the two consecutive image frames before and after to determine which blocks have changed and which blocks have not changed. In order to reduce the amount of data transmitted over the network, the data of the changed blocks in the image frame will be image compressed and converted into network packets. Although only one target computer 120 is displayed in the second C diagram, the image processing module 250 may actually include multiple image processing channels to process multiple video signals from different target computers at a time. Moreover, there may be a switching module (not shown) between the computer interface 210 and the image processing module 250, so that one or more target computers among the plurality of target computers can simultaneously perform the above image processing. This switching module may be an architecture composed of a plurality of matrix switching circuits.

In addition, when entering the so-called split picture mode, the remote management device 200 reduces the captured image frame and then transmits it to the central control computer 110. This step may be performed by the image processing module 250 independently or by It is done together with the central processor. Alternatively, the remote management device 200 does not reduce the captured image frame, but is reduced by the central control computer 110.

When the central control computer 110 restores the network packet received with the image data to an appropriate image signal (which may be the same or different from the image signal format of the source end), the user U of the central control computer 110 can be connected to one end of the network. The image output by the target computer 120 is seen, and then the target computer 120 is controlled as if the target computer 120 is directly controlled. This restoration may involve the process of converting digital signals into analog signals and image decompression or decoding.

Referring to FIG. 3A, the present invention provides a remote management method, including at least The following steps 301 to 305. Step 301 is to provide a remote management device, and the remote management device can capture the video signal as described in the foregoing second through second to second C and related descriptions, and the process of capturing includes converting the image signal into Image data can be stored or transmitted over the network. Therefore, the process of capturing may further include the process of converting the analog video signal into digital image data and storing it in the memory, and converting the digital image data into one or more network packets. And the remote management device transmits a network packet about the image data to a central control computer according to an appropriate network protocol. This central computer is connected to a set of screen and cursor controls, such as a keyboard and mouse.

Step 302 is to couple the remote management device to one or more target computers to receive the image signal output by the target computer. The following will mainly be explained by taking a target computer as an example. As mentioned above, the remote management device is simulated as a set of screen and cursor control devices, so the target computer will output an image signal to the remote management device. Usually, the image signal represents a desktop image of the target computer, and the image signal can be VGA format, DVI format or any other suitable image format. In a practical application, the remote management device can connect to the target computer through the foregoing computer interface module, but if the remote management device has an appropriate computer interface, the remote management device can directly connect to the target without using the aforementioned computer interface module. computer.

Step 303 is such that the remote management device can be controlled by a central control computer via the network. In more detail, the step 303 further includes step 303-1 to step 303-3. Step 303-1 is to open a web browser (Web Brower) on the central control computer; step 303-2 is to input a network address of the remote management device via the web browser to display a login screen; -3 logs into the remote management device via the login screen for subsequent operations on the remote management device. For example, the remote management device is configured (Configuration). When the remote management device is connected to multiple target computers, the user U of the central control computer can select one of them via an appropriate interface. The target computer performs subsequent operations. The interface includes an on-screen display menu (OSD) formed by a web browser. This screen display menu may list multiple 埠 numbers and 埠 names representing different target computers for selection, and this screen display menu may also be displayed. The status of these target computers, such as On-Line or Off-Line, where the offline status indicates that the target computer is not powered on. At the beginning of use, when the user U clicks on a target computer on the screen display menu, the central control computer will be required to install an application (generally called Viewer). After installing this Viewer application, the central control computer can display the desktop image of this target computer. The Viewer application is provided by the manufacturer or vendor of the remote management device, which can be downloaded or otherwise obtained by the manufacturer or vendor's relevant website, for example via a compact disc or by the remote management device itself. Output to the central control computer.

Step 304 is to enable the target computer to be controlled by the remote control device by one of the cursor control devices connected to the central control computer. As previously mentioned, the operation of the user U of the central control computer for its cursor control device is converted to the operation of the target computer by the remote management system of the present invention. The step 304 further includes step 304-1 and step 304-2. Step 304-1 captures the image signal output by the target computer by the remote management device. The detailed extraction process has been as described above.

Please refer to FIG. 3A and FIG. 3B simultaneously. Step 304-2 displays a window 700 in the central control computer 110. The window 700 has at least one thumbnail area 710, and each thumbnail area 710 can display a thumbnail. Thumbnail 720, and the thumbnail 720 is related to the image signal captured by the target computer 120. For the user U of the central control computer 110, the thumbnail image is a proportional reduction of the desktop image of the target computer 120, but the thumbnail image 720 and the desktop image actually generated by the target computer 120 may have image quality differences. The thumbnail 720 can be periodically updated in response to the update of the image signal output by the target computer 120. For example, the image signal output by the target computer 120 (source image) Like the signal) will be updated according to the frequency of 60 to 75 Hz (Refresh). However, the update frequency of the thumbnail 720 may be different or the same as the update frequency of the source video signal.

Please refer to the third to third C diagrams at the same time. Step 305 is to zoom in (Zoom-In) or zoom-out (Zoom-Out) from a reference point, and zoom in and out. The visible portion of 720 does not extend beyond the thumbnail region 710. On the other hand, the portion beyond the thumbnail region 710 after the thumbnail 720 is zoomed in will become an invisible portion. Since the size of the thumbnail region 710 is a fixed value (unless the aforementioned setting value for simultaneously displaying the number of target computers is changed), when the thumbnail 720 is zoomed in, it is bound to partially exceed the thumbnail region 710 and become invisible. The portion that is not beyond the thumbnail region 710 is the visible portion. That is, the thumbnail area 710 can determine the visible range and the invisible range after the thumbnail 720 is zoomed in.

The image data of the source end (that is, the target computer 120) becomes a visible portion if it corresponds to a portion in the thumbnail region 710; and the image data at the source end becomes an invisible portion if it corresponds to a portion beyond the thumbnail region 710. For the user U of the central control computer 110, the thumbnail area 710 appears to be a "hollowed area" on an opaque cardboard. Initially, if the thumbnail 720 is not zoomed in, the user U of the central control computer 110 can see the entire thumbnail 720 through the "hollowed area". However, if the thumbnail 720 is zoomed in, the thumbnail 720 may be partially invisible due to the "barrier" of the opaque cardboard. This "blocking" means that the related image data is not displayed by the screen of the central control computer 110, or the central control computer 110 does not obtain the relevant image data by the remote management device 200.

Referring to the third to third G diagrams, it is noted that in the present invention, for the user U of the central control computer 110, the "knob area" (ie, the thumbnail area 710) is Fixed and immovable. Because a plurality of thumbnail regions 710 together form a moment in the split picture mode The array, and the thumbnail region 710 and the thumbnail region 710 are generally arranged in close proximity, so the thumbnail region 710 is generally fixed and immovable. However, the background underneath the "hollowed area" (ie, thumbnail 720) is movable. Therefore, even if the thumbnail 720 has produced the above-described invisible portion due to the zoom-in operation, such as the left half of the "A" and the right half of the "M", the user U can still move the background (i.e., drag the thumbnail 720). The way to see all of this thumbnail 720 through the "hollowed area", or some details that the user U wants to pay attention to. In this way, in the split screen mode, based on this function and at an appropriate zoom-in magnification, the present invention can take into consideration that "the desktop of multiple target computers can be seen at a time, and the details can be seen clearly". demand. As described above, in the split screen mode, a plurality of thumbnail regions 710 can be provided in the foregoing window 700. Therefore, the foregoing window 700 can also provide a plurality of "hollowed areas", and each "hollowed area" corresponds to Different target computers 120.

In more detail, in step 305, the reference point is the position of the cursor generated by the cursor control device or the center point C of the thumbnail region. For example, as shown in FIG. 4A, zooming is performed at the center point C of the thumbnail region 710, and the thumbnail 720 in the thumbnail region 710 is zoomed in with reference to the center point C. As shown in FIG. 4B, the position indicated by the cursor in the thumbnail region 710 is zoomed in. At this time, the thumbnail 720 in the thumbnail region 710 is zoomed on with reference to the position indicated by the cursor.

According to another embodiment of the present invention, as shown in the fifth figure, when the cursor is moved into the thumbnail area 710, a plurality of function keys are displayed in the thumbnail area 710, and one of the function keys corresponds to the zoom-in operation. After the user U moves the cursor to the top of the zoom function key or touches the function key, a certain button of the cursor control device (for example, the right button) can be clicked to perform a fixed ratio (but the fixed ratio may be adjusted) Or the user U can use the scroll wheel of the cursor control device to increase or decrease the proportion of the zoom-in operation, for example, the scroll wheel is rotated downward to indicate the zoom-in direction Rotating up means zooming out. In addition to zooming in on the function keys, the function keys of the present invention include the "Drawaway", "Save", "My Favorites" and "Reset" function keys. In addition, in practical applications, when the cursor is not moved into the thumbnail area 710, the above function keys are not displayed in the thumbnail 720 in order not to affect the viewing of the thumbnail 720. Alternatively, when the cursor is removed from the thumbnail area 710, the function keys described above disappear in order not to affect the viewing of the thumbnail 720.

On the other hand, the remote management device of the present invention provides image data of different magnifications to the central control computer for the operation of zooming in or out, so as to present the desktop image of the target computer on the screen of the central control computer. Near or far away function.

The remote management method of the present invention may further optionally include step 305-1: storing the reference point of the step 305 and zooming in or out. As described above, in the actual application, when the cursor is moved into the thumbnail area 710, a function key corresponding to the storage operation is also displayed in the thumbnail area 710. As shown in the fifth figure, the user U can click this. Store function keys 1, 2, 3, 4, 5, etc. for storage. And the invention can store multiple sets of different set values.

In other embodiments, when there is more than one target computer connected to the remote management device, the remote management device can simultaneously capture another video signal output by another target computer to control the computer. Another thumbnail is generated, that is, the window can display the thumbnail and another thumbnail simultaneously or sequentially. When the image processing module of the remote management device can process multiple video signals at a time, the remote management device can simultaneously capture another video signal output by another target computer. For example, the window of the central control computer can display thumbnails representing 42 target computers on the same page in a matrix manner. When the number of target computers that want to form a thumbnail is more than an adjustable set value, the window can provide scrolling or other page-changing methods so that the user of the central control computer can browse more representative computers on different pages. A thumbnail of the desktop. That is, the invention can be displayed on the window of the central control computer One or more thumbnails are shown, and different thumbnails correspond to different target computers.

That is, when the remote management device is connected to a first target computer and a second target computer, the remote management device can respectively capture image signals of the first target computer and the second target computer. Moreover, the remote management system can generate a first thumbnail area and a second thumbnail area on the screen of the central control computer. The first thumbnail region may display a first thumbnail image; and the second thumbnail region may display a second thumbnail image. Moreover, the first thumbnail image corresponds to the desktop image of the first target computer; and the second thumbnail image corresponds to the desktop image of the second target computer.

It should be noted that the remote management method disclosed in the present invention is not limited to use in a computer, and the present invention can also be applied to a machine device on a production line, for example, coupling a remote management device to a first machine device and Second machine equipment. In this way, it is more helpful to observe the information displayed in the detail area of the image output by the machine equipment. The specific embodiments of the present invention have been known to those skilled in the art from the above detailed description of the target computer, and therefore will not be described again.

Compared with the prior art, the image display method of the present invention can see the desktop images of multiple target computers at a time, and can also see the details or parts of the target computer desktop images. Therefore, based on the present invention, the user of the central control computer no longer needs to switch back and forth between the split picture mode and the single picture mode, which greatly increases the convenience in use.

Although the technical content of the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and any modifications and refinements made by those skilled in the art without departing from the spirit of the present invention are encompassed by the present invention. The scope of protection of the present invention is therefore defined by the scope of the appended claims.

Claims (22)

A remote management method includes at least the following steps: 301 providing a remote management device; 302 coupling the remote management device to a target computer and another target computer; 303 enabling the remote management device to be Controlled by a central control computer; 304, the target computer and the other target computer can be controlled by the remote control device by a cursor control device connected to the central control computer; wherein the step 304 further comprises: 304-1 The remote management device captures the image signal output by the target computer and the other target computer to generate a thumbnail and another thumbnail on the central control computer; 304-2 displays a thumbnail in the central control computer a window having a plurality of thumbnail areas, the thumbnail area displaying the thumbnail and the other thumbnail, and the thumbnail is related to the image signal captured by the target computer, the other The thumbnail is related to the image signal captured by the other target computer; 305 zooms in on the thumbnail or the other thumbnail by a reference point, and when the thumbnail is zoomed in, the image is zoomed in. The visible portion of the thumbnail does not exceed the thumbnail area a field; and 306 dragging the zoomed thumbnail or the other thumbnail in the thumbnail region corresponding to the thumbnail and the other thumbnail to change a portion of the thumbnail view or the other thumbnail The visible part. The method of claim 1, wherein the portion of the thumbnail that is invisible after being zoomed out is beyond the thumbnail region, and the portion of the other thumbnail that is invisible after being zoomed out exceeds the thumbnail region corresponding to the other thumbnail. The method of claim 1, wherein the step 303 further comprises: 303-1 opening a web browser (Web Brower); 303-2 entering a network address of the remote management device via the web browser to display a web address Deng Entering the screen; and 303-3 logging in to the remote management device via the login screen. The method of claim 1, wherein the thumbnail or the other thumbnail is updated periodically. The method of claim 1, wherein the thumbnail or the other thumbnail is updated according to an update of the image signal captured by the target computer. The method of claim 1, wherein the reference point is a position of a cursor generated by the cursor control device. The method of claim 1, wherein the reference point is a center point of each thumbnail region. The method of claim 1, further comprising the steps of: 305-1 storing the reference point of the step 305 and zooming in on the magnification. The method of claim 1, further comprising the step of: 307 generating a function key after the cursor corresponding to the cursor control device moves into the thumbnail region to generate a function key including the zoom. The method of claim 9, further comprising the following steps: 307-1: after the cursor corresponding to the cursor control device moves out of the thumbnail region corresponding to the thumbnail, the function key is set to the corresponding thumbnail The area disappeared. A remote management method includes at least the following steps: 301 providing a remote management device; 302 coupling the remote management device to a first target computer and a second target computer; 303 enabling the remote management device to The network is controlled by a central control computer; 304 causes the first target computer or the second target computer to be controlled by the remote control device by one of the cursor control devices connected to the central control computer; wherein the step 304 further includes : 304-1, the remote management device respectively captures image signals output by the first target computer and the second target computer; 304-2 displays a window in the central control computer, the window has a first thumbnail (Thumbnail a region and a second thumbnail region, wherein the first thumbnail region displays a first thumbnail image, the second thumbnail region displays a second thumbnail image, and the first thumbnail image and the first target computer are Related to the captured image signal, the second thumbnail image is related to the image signal captured by the second target computer; 305 zooming in on the first or second thumbnail image by a reference point (Zoom-In), And the portion of the first thumbnail visible after zooming in does not exceed the first thumbnail region, so that the central control computer simultaneously displays the first thumbnail and the second thumbnail after zooming in; and 306 The first thumbnail image that is zoomed in is dragged in the first thumbnail region to change the visible portion. The method of claim 11, wherein the portion of the first thumbnail that is invisible after being zoomed out exceeds the first thumbnail region. A remote management method includes at least the following steps: 301 providing a remote management device; 302 coupling the remote management device to a first target computer and a second target computer; 303 enabling the remote management device to The network is controlled by a central control computer; 304 causes the first or second target computer to be controlled by the remote control device by a cursor control device connected to the central control computer; wherein the step 304 further includes: 304 -1 capturing, by the remote management device, image signals output by the first and second target computers; 304-2 displays a window in the central control computer, the window has a first thumbnail image and a second thumbnail image, wherein the first thumbnail image is related to the image signal captured by the first target computer, the second The thumbnail image is related to the image signal captured by the second target computer; 305 zooming in on the first thumbnail image, and the zooming in the first thumbnail image does not affect the second thumbnail image, so that the central control computer Simultaneously displaying the first thumbnail and the second thumbnail after zooming in; and 306 dragging the first thumbnail after zooming to change the visible portion of the first thumbnail. A remote management method includes at least the following steps: 301 providing a remote management device; 302 coupling the remote management device to a first machine device and a second device; 303 It can be controlled by a central control computer via the network; 304, the remote management device converts the operation of one of the cursor control devices connected to the central control computer to the first machine device or the second machine device The remote management device respectively captures the image signals output by the first machine device and the second device device; 306 displays a window in the central control computer, the window has a first thumbnail ( a thumbnail region and a second thumbnail region, wherein the first thumbnail region displays a first thumbnail image, the second thumbnail region displays a second thumbnail image, and the first thumbnail image and the first thumbnail image The device is related to the captured image signal, the second thumbnail image is related to the image signal captured by the second machine device; and 307 is zoomed in on the first or second thumbnail image by a reference point (Zoom -In), and the portion of the first thumbnail visible after zooming in Exceeding the first thumbnail area, so that the central control computer simultaneously displays the first thumbnail and the second thumbnail after zooming in; and 308 in the first thumbnail area and the second thumbnail area Zoom in on the first thumbnail or The second thumbnail is dragged to change the portion of the first thumbnail viewable or the portion of the second thumbnail view. The method of claim 14, wherein the portion of the first thumbnail that is invisible after being zoomed out exceeds the first thumbnail region, and the portion of the second thumbnail that is invisible after being zoomed out exceeds the second thumbnail region. The method of claim 14, wherein the step 303 further comprises: 303-1 opening a web browser (Web Brower); 303-2 inputting, by the web browser, the network address of the remote management device to display a web address The login screen; and 303-3 log in to the remote management device via the login screen. The method of claim 14, wherein the first thumbnail or the second thumbnail is updated. The method of claim 14, wherein the reference point is a location of a cursor generated by the cursor control device. The method of claim 14, wherein the reference point is a center point of the first thumbnail region or a center point of the second thumbnail region. The method of claim 14, further comprising the step of: 309 storing the reference point of the step 307 and zooming in on the magnification. The method of claim 14, further comprising the step of: 310 generating a function key after the cursor corresponding to the cursor control device moves into the first thumbnail region or the second thumbnail region to generate a The function keys that are zoomed in. The method of claim 21, further comprising the step of: 310-1, after the cursor corresponding to the cursor control device moves out of the first thumbnail region, causing the function key to disappear in the first thumbnail region .