TWM501591U - Switcher for switching multi-computer and system thereof - Google Patents

Description

KVM switch and its system

The present invention provides a KVM switch and a system thereof, and more particularly to a KVM switch and a system for switching an image signal of one of a plurality of computers to a main screen.

The so-called KVM switch means that users can control multiple computers through a set of keyboards, monitors and mice. For example, KVM Switch, where KVM is an abbreviation for keyboard, video and mouse. Simply put, the KVM switch can switch the video signal of one of the multiple computers to the main display of the display.

There are currently two types of KVM switches on the market. The first is an electronic switch that is mostly manufactured as a separate small electronic device that is connected between a set of keyboards, displays and mice, and between multiple computers. The user can operate the switch on the switch to select which computer to connect the keyboard, monitor and mouse to. The second is a network switcher, which is usually software. By installing the software on a computer, you can use this software to log in to another computer via a network connection, and then use the keyboard, monitor and mouse of the previous computer for remote control of the latter computer.

The present invention provides a KVM switch and a system thereof for displaying a video signal of a sub-picture touched by a cursor according to a boundary of a sub-picture touched by a cursor and a control signal generated by manipulating a mouse or a keyboard.

In order to achieve the above description, the present invention provides a KVM switch electrically connected between a plurality of hosts and a display, the display is configured to display a main picture and a plurality of sub-pictures, and each sub-picture has a boundary. The KVM switch includes: an image processing unit, a switching unit, and an operation processing unit. The image processing unit is coupled between the host and the display, and the image processing unit is configured to receive and process one of the image signals generated by each host, and transmit the image signals to the corresponding main screen and the sub-screens respectively. One of them shows. The switching unit is coupled to the hosts, and receives each of the hosts to generate a cursor position signal, wherein the cursor position signal indicates a position of the cursor in the main screen or in the sub-pictures. The arithmetic processing unit is coupled to the image processing unit and the switching unit. When the cursor moves to the boundary of one of the sub-pictures, the operation processing unit generates a control signal to control the switching unit to receive the cursor position signal generated by the host corresponding to the sub-picture touched by the cursor, and the cursor position The image signal in the contacted sub screen is displayed to the main screen.

The present invention provides a multi-computer switching system including: a plurality of hosts, a KVM switch, and a display. A KVM switch is coupled between the host and the display. The display is configured to display a main picture and a plurality of sub-pictures, and each sub-picture has a boundary.

In summary, the present invention provides a KVM switch including an image processing unit, an arithmetic processing unit, and a switching unit. When the cursor moves to the boundary of one of the sub-pictures, the operation processing unit generates a control signal to automatically control the circuit conduction between the host corresponding to the sub-picture touched by the switching unit switching cursor and the operation processing unit, and The image signal in the sub-picture touched by the cursor is displayed on the main screen, thereby improving the convenience and use of the operation or operation of the KVM switch.

The above summary and the following examples are intended to further illustrate the technical means and the efficiencies of the present invention, and the embodiments and drawings are merely provided for reference and are not intended to limit the present invention.

1‧‧‧Multicomputer switching system

10a, 10b, 10c, 10d‧‧‧ host

100‧‧‧Multicomputer switcher

110‧‧‧Image Processing Unit

120‧‧‧Switch unit

130‧‧‧Operation Processing Unit

140‧‧‧Image input group

150‧‧‧Control input group

160‧‧‧Image output埠

170, 180‧‧‧ device connection埠

20‧‧‧ display

22a, 22b, 22c‧‧‧ main screen

24a1, 24a2, 24a3, 24b1, 24b2, 24b3, 24c1, 24c2, 24c3‧‧‧ sprite

30‧‧‧ Mouse

40‧‧‧ keyboard

FIG. 1 is a schematic functional block diagram of a KVM switch according to an embodiment of the present invention.

2 is a schematic diagram showing a display of a main screen and a sub-screen according to another embodiment of the present invention.

FIG. 3 is a schematic diagram showing a display of a main screen and a sub-picture according to another embodiment of the present invention.

4 is a schematic diagram showing a display of a main screen and a sub-picture according to another embodiment of the present invention.

FIG. 1 is a schematic functional block diagram of a KVM switch according to an embodiment of the present invention. 2 is a schematic diagram showing a display of a main screen and a sub-screen according to another embodiment of the present invention. Please refer to Figure 1 and Figure 2. A KVM switch 100 is electrically connected between the plurality of hosts 10a, 10b, 10c, and 10d and a display 20. The display 20 is configured to display a main picture 22a and a plurality of sub-pictures 24a1, 24a2, and 24a3, and each The sub-pictures 24a1, 24a2, and 24a3 have a boundary, and the KVM switch 100 includes an image processing unit 110, an operation processing unit 130, a switching unit 120, an image input unit 140, a control input unit 150, and an image. The output port 160 and the two devices are connected to the ports 170, 180. This embodiment does not limit the aspect of the KVM switch 100.

In practice, the image processing unit 110 is coupled to the image input unit 140, the image output unit 160, and the operation processing unit 130. The operation processing unit 130 is coupled to the two device ports 170, 180 and the switching unit 120. The switching unit 120 is coupled to the arithmetic processing unit 130 and the control input unit group 150. The image input port group 140 includes a plurality of image input ports, and the control input port group 150 also includes a plurality of control inputs. Among them, the number of image input ports is the same as the number of control inputs. For convenience of description, the image input port group 140 of the present embodiment is configured to include four image input ports, and the control input port group 150 is configured to include four control inputs. This embodiment does not limit the number of image input ports and the number of control input ports.

Further, the image processing unit 110 is implemented by, for example, an image processor, a video microprocessor, a video processor, or a video microprocessor. This embodiment does not limit the aspect of the image processing unit 110. In practice, the image processing unit 110 is coupled between the hosts 10a, 10b, 10c, and 10d and the display 20. The image processing unit 110 is configured to receive and process one image generated by each of the hosts 10a, 10b, 10c, and 10d. The signal is transmitted to each of the corresponding main picture 22a and one of the sub-pictures 24a1, 24a2, 24a3.

For example, please refer to FIG. 2, which shows four different cartoon characters, in which the cartoon characters in the main screen 22a hold the articles in both hands. The sub-pictures 24a1, 24a2, and 24a3 of the upper, middle, and lower grids on the right side of the display content respectively present cartoon characters of different shapes. Of course, the cartoon characters presented on the main screen 22a and the three sub-screens 24a1, 24a2, and 24a3 correspond to the video signals respectively transmitted by the four hosts 10a, 10b, 10c, and 10d. It is assumed that the host 10a corresponds to the video signal of the main screen 22a, and the mainframes 10b, 10c, and 10d respectively correspond to the video signals of the upper, middle, and lower grid screens 24a1, 24a2, and 24a3. Of course, these image signals are processed by the image processing unit 110 and correspondingly transmitted to the main screen 22a of the display 20 and the sub-screens 24a1, 24a2, and 24a3.

The arithmetic processing unit 130 is realized by, for example, a central processing unit or a microprocessor. This embodiment does not limit the aspect of the arithmetic processing unit 130. The operation processing unit 130 is coupled to the image processing unit 110 and the switching unit 120. In practice, the operation processing unit 130 is configured to generate a control signal to control the switching unit 120 to switch, so that one of the plurality of hosts 10a, 10b, 10c, 10d is controlled by the operation processing unit 130. Therefore, the user can connect the mouse 30 or the keyboard 40 of the cassette 170, 180 through the coupling device to control the controlled host 10a, 10b, 10c, 10d. Of course, the video signals transmitted by the hosts 10a, 10b, 10c, and 10d controlled by the arithmetic processing unit 130 will also be presented in the main screen 22a.

The switching unit 120 is coupled to the hosts 10a, 10b, 10c, and 10d and the arithmetic processing unit 130, and each of the hosts 10a, 10b, 10c, and 10d generates a cursor position signal. The number is coupled to the arithmetic processing unit 130 via the switching unit 120, wherein the cursor position signal indicates a position of a cursor in the main screen 22a or in one of the sub-pictures 24a1, 24a2, 24a3.

For example, when the cursor moves to the boundary of one of the sub-pictures 24a1, 24a2, and 24a3, the operation processing unit 130 generates a control signal to control the switching unit 120 to switch the corresponding sub-pictures 24a1, 24a2, and 24a3 contacted by the cursor. The circuits between the main units 10b, 10c, and 10d and the arithmetic processing unit 130 are turned on, and the video signals in the sub-pictures 24a1, 24a2, and 24a3 that the cursor is in contact with are displayed on the main screen 22a.

It should be noted that each image input is electrically connected between the corresponding host 10a, 10b, 10c, and 10d and the image processing unit 110 to transmit a corresponding image signal to the image processing unit 110. Each image input port is, for example, one of a high resolution multimedia interface (HDMI), a digital video interface (DVI), a digital video interface (DisplayPort), or a video graphics array (VGA). The image output port 160 is, for example, one of a high resolution multimedia interface (HDMI), a digital video interface (DVI), a digital video interface (DisplayPort), or a video graphics array (VGA).

Each control input is electrically connected between the corresponding host 10a, 10b, 10c, 10d and the switching unit 120 to transmit a corresponding cursor position signal to the switching unit 120. Each control input is, for example, a universal sequence bus.

In addition, the device port 170 is electrically connected between the arithmetic processing unit 130 and a mouse 30. The control signal is generated by manipulating the mouse 30 and transmitted to the arithmetic processing unit 130 via the device port 170. For example, when the user moves the cursor to the boundary of the sub-picture 24a2 through the mouse 30, the cursor will generate an indication message. The indication message is, for example, simultaneously pressing the left and right double keys of the mouse 30 to cause the operation processing unit 130 to generate a control signal, and the control signal indicates that the host 10c is controlled by the operation processing unit 130, and the image signal output by the host 10c is presented. On the main screen 22a. Of course, the video signal of the original home screen 22a will be presented in the sub-picture 24a2.

The device connection port 180 is electrically connected to the operation processing unit 130 and a keyboard. Between 40, the control signal is generated through the control keyboard 40 and transmitted to the arithmetic processing unit 130 via the device port 180. For example, when the user moves the cursor to the boundary of the sub-picture 24a3 through the keyboard 40 or the mouse 30, the cursor will generate an indication message. The instruction message is, for example, pressing the Ctrl key and the Alt key of the keyboard 40 to cause the operation processing unit 130 to generate a control signal, and the control signal indicates that the host 10d is controlled by the operation processing unit 130, and the image signal output by the host 10d is presented. On the main screen 22a. Of course, the video signal of the main picture 22a will be presented in the sub-picture 24a3. This embodiment does not limit the operation of the KVM switch 100.

3 is a schematic diagram of a display main screen 22b and sub-screens 24b1, 24b2, and 24b3 according to another embodiment of the present invention. Please refer to FIG. 3, FIG. 2 and FIG. The main picture 22b and the sub pictures 24b1, 24b2, and 24b3 in FIG. 3 are similar to the main picture 22a and the sub pictures 24a1, 24a2, and 24a3 in FIG. 2, and the difference between FIG. 3 and FIG. 2 is that: The sub-screens 24b1, 24b2, and 24b3 are disposed below the screen content displayed on the display 20. The left, middle, and right three grid screens 24b1, 24b2, and 24b3 respectively present cartoon characters of different shapes.

Briefly, the video signal displayed by the sub-picture 24b1 in FIG. 3 corresponds to the sub-picture 24a1 in FIG. That is to say, the video signal output by the host 10b in FIG. 1 will be displayed on the sub-screen 24b1 in FIG. Similarly, the image signals displayed on the sub-pictures 24b2 and 24b3 in FIG. 3 correspond to the sub-pictures 24a2 and 24a3 in FIG. 2, respectively. That is to say, the video signals output by the hosts 10c, 10d in Fig. 1 will be displayed on the sub-pictures 24b2, 24b3 in Fig. 3, respectively.

It should be noted that the boundaries of the sub-pictures 24b1, 24b2, and 24b3 of this embodiment are rectangular frames. Therefore, when the cursor touches either side of the rectangle, the cursor will generate an indication message. Of course, if the indication message is, for example, "the cursor continues to stay at the boundary of the sub-pictures 24b1, 24b2, and 24b3 for a predetermined time", the operation processing unit 130 will automatically generate a control signal, and the control signal indicates the host 10a, 10b, 10c. 10d is controlled by the operation processing unit 130, and the host 10a, 10b, 10c, 10d is input. The output image signal will be presented on the main screen 22b. Of course, the video signal of the original home screen 22b will be presented in the sub-pictures 24b1, 24b2, and 24b3.

4 is a schematic diagram showing a display of a main screen and a sub-picture according to another embodiment of the present invention. Please refer to FIG. 4, FIG. 2 and FIG. The main picture 22c and the sub pictures 24c1, 24c2, and 24c3 in FIG. 4 are similar to the main picture 22a and the sub pictures 24a1, 24a2, and 24a3 in FIG. 2, and the difference between FIG. 4 and FIG. 2 is: the main picture. 22c and the sub-screens 24c1, 24c2, and 24c3 are respectively disposed at four corners of the screen content displayed on the display 20. The content displayed in the upper left corner is the main screen 22c, and the contents displayed in the upper right corner, the lower left corner, and the lower right corner are respectively The sub-pictures 24c1, 24c2, and 24c3 respectively present cartoon characters of different shapes.

Briefly, the video signal displayed by the sub-picture 24c1 in FIG. 4 corresponds to the sub-picture 24a1 in FIG. That is to say, the video signal output by the host 10b in FIG. 1 will be displayed on the sub-picture 24c1 in FIG. Similarly, the image signals displayed by the sub-pictures 24c2 and 24c3 in FIG. 4 correspond to the sub-pictures 24c2 and 24c3 in FIG. 2, respectively. That is to say, the video signals output by the hosts 10c, 10d in Fig. 1 will be displayed on the sub-pictures 24c2, 24c3 in Fig. 4, respectively. This embodiment does not limit the display content and the divided display aspect of the main screen 22c and the sub-screens 24c2 and 24c3.

In summary, the present invention provides a KVM switch including an image processing unit, an arithmetic processing unit, and a switching unit. When the cursor moves to the boundary of one of the sub-pictures, the cursor will generate an indication message, and if the mouse or/and the keyboard are manipulated according to the indication message, the operation processing unit generates a control signal to control the switching unit switching, and The host corresponding to the sub-picture touched by the cursor will be controlled by the mouse or/and the keyboard coupled to the KVM switch, and the image signal in the sub-picture touched by the cursor will be displayed on the main screen, thereby improving the multi-computer. The convenience and use of the switch for operation or operation.

This creation has already met the requirements of the new patent and applied in accordance with the law. But the above revealed The present disclosure is only for the preferred embodiment of the present invention, and it is not possible to limit the scope of the present invention. Therefore, the equal changes or modifications made according to the scope of the application of the present application are still covered by the present case.

20‧‧‧ display

22a‧‧‧ main screen

24a1, 24a2, 24a3‧‧‧ sprite

Claims (8)

A KVM switch is electrically connected between a plurality of hosts and a display. The display is configured to display a main picture and a plurality of sub-pictures, and each of the sub-pictures has a boundary. The KVM switch includes: The image processing unit is coupled between the host and the display, and the image processing unit is configured to receive and process one of the image signals generated by each of the hosts, and transmit the image signals to the corresponding main screen. And the one of the sub-pictures is displayed; an operation processing unit is coupled to the image processing unit; a switching unit is coupled to the host and the operation processing unit, and each of the hosts generates a cursor position signal via the The switching unit is coupled to the operation processing unit, wherein the cursor position signal indicates a position of a cursor in the main screen or one of the sub-pictures; and wherein the cursor moves to the sub-pictures When the boundary is one, the operation processing unit generates a control signal to control the switching unit to switch the host corresponding to the sub-picture touched by the cursor Circuit between the processing unit turned on, and displays the image signals of the sub-picture of the cursor is in contact in the main screen. The computer switcher of claim 1 further includes a plurality of image input ports, each of the image input devices being electrically connected between the host and the image processing unit to transmit the corresponding image signal to The image processing unit. The computer switcher of claim 2, wherein each of the image input ports is a high resolution multimedia interface (HDMI), a digital video interface (DVI), a digital video interface (DisplayPort) or a video graphic. One of the arrays (VGA). The computer switcher of claim 1, further comprising a plurality of control inputs, each of the control inputs being electrically connected between the host and the switching unit to transmit the corresponding cursor position signal to The switching unit. The computer switcher of claim 4, wherein each of the control inputs is A universal sequence bus. The computer switcher of claim 1, further comprising a device port electrically connected between the computing processing unit and a mouse, the control signal being generated by manipulating the mouse, and via the device The port is transferred to the arithmetic processing unit. The computer switcher of claim 1, further comprising a device connection, electrically connected between the operation processing unit and a keyboard, wherein the control signal is generated by operating the keyboard, and is connected via the device. Transfer to the arithmetic processing unit. A multi-computer switching system includes: a plurality of hosts; a KVM switch according to claims 1-7, coupled to the hosts; and a display coupled to the KVM switch, the display is configured to display A main picture and a plurality of sub-pictures, and each of the sub-pictures has a boundary.