TWM648923U - Kvm device - Google Patents

Abstract

A KVM device is provided in the present disclosure. The KVM device includes a controller and a connector circuit. The connector circuit includes a plurality of connectors. A plurality of connectors are respectively connected to a first display device, a second display device and a first computer. The plurality of connectors of the connector circuit are electrically connected to the controller. The first computer provides a first display information to the first display device or the second display device for display through the controller and the connector circuit of the KVM device. A second display area of the second display device is an extended display area of the first display area of the first display device.

Description

Multi-computer switching device

The invention relates to a multi-computer switching device, in particular to a multi-computer switching device with extended display function.

Using a single display device to display images is a common electronic device display solution. Currently, solutions include using multiple display devices as extended screens using wireless connections or wired connections. However, connecting multiple display devices to the same computer host at the same time lacks flexibility in use.

The technical problem to be solved by this invention is to provide a multi-computer switching device in view of the shortcomings of the existing technology, including: a controller; and a connector circuit including a plurality of connectors respectively connected to a first display device and a second display device. A display device and a first computer host, the plurality of connectors of the connector circuit are electrically connected to the controller; wherein the first computer host passes through the controller of the multi-computer switching device and The connector circuit provides a first display information to the first display device or the second display device for display; wherein a second display of the second display device is a second display of the first display device. An extended display area of a first display area.

One of the beneficial effects of this invention is that the multi-computer switching device provided by this invention can provide the same computer host with the flexibility to use multiple display devices to extend the screen. Moreover, it can also display the operating interface information of multiple computer hosts at the same time, and switch and operate between multiple computer hosts and multiple display devices. In addition, multiple computer hosts can also transfer data between each other through a multi-computer switching device, without the need for additional storage devices, such as flash memory, external hard drives, or network hard drives. Not only can it significantly reduce hardware costs, but it can also effectively improve the security of data transmission.

In order to further understand the characteristics and technical content of this creation, please refer to the following detailed description and diagrams about this creation. However, the diagrams provided are only for reference and illustration and are not used to limit this creation.

1:Multiple computer switching device

2:Mouse

3: Keyboard

10:Controller

11: Connector circuit

12:Image information processing circuit

13:Storage circuit

14:Screen display circuit

CP1: the first computer host

DP1: first display device

DP2: Second display device

111: Connector

CP2: Second computer host

Data1, Data2: data

FIG. 1 is a schematic diagram of a multi-computer switching device collocated with multiple display devices according to the first embodiment of the present invention.

FIG. 2 is another schematic diagram of the combination of a multi-computer switching device and multiple display devices according to the first embodiment of the present invention.

FIG. 3 is a schematic diagram of a multi-computer switching device collocated with multiple display devices and multiple computer hosts according to the second embodiment of the present invention.

FIG. 4 is a schematic diagram of a multi-computer switching device collocated with multiple display devices and multiple computer hosts according to the second embodiment of the present invention.

The following is a specific embodiment to illustrate the “multi-electronics” disclosed by this creation. Implementation of "brain switching device", those skilled in the art can understand the advantages and effects of this invention from the content disclosed in this specification. This invention can be implemented or applied through other different specific embodiments, and various details in this specification are also Various modifications and changes can be made based on different viewpoints and applications without departing from the concept of this creation. In addition, the drawings of this creation are only simple schematic illustrations and are not depictions based on actual sizes. It is stated in advance. The following implementation methods will further Detailed description of the relevant technical content of this creation, but the disclosed content is not used to limit the scope of protection of this creation. In addition, the term "or" used in this article should, depending on the actual situation, include related listed items. Any one or a combination of multiple.

[First Embodiment]

Please refer to FIG. 1 and FIG. 2 . FIG. 1 is a schematic diagram of a multi-computer switching device collocated with multiple display devices according to the first embodiment of the present invention. FIG. 2 is another schematic diagram of the combination of a multi-computer switching device and multiple display devices according to the first embodiment of the present invention.

In this embodiment, a multi-computer switching device 1 is provided. The KVM switching device 1 includes a controller 10 , a connector circuit 11 , an image information processing circuit 12 , a storage circuit 13 and a screen display circuit 14 . The KVM switching device 1 is also connected to a keyboard 3 and a mouse 2 . The controller 10 has an electrical connector circuit 11, an image information processing circuit 12, a storage circuit 13 and a screen display circuit 14. In addition, the screen display circuit 14 is also connected to the image information processing circuit 12 . Connector circuit 11 includes a plurality of connectors 111 .

The plurality of connectors 111 are respectively connected to a first display device DP1, a second display device DP2 and a first computer host CP1. The plurality of connectors 111 of the connector circuit 11 are electrically connected to the controller 10 .

The first computer host CP1 provides a first display information to the first display device DP1 or the second display device DP2 for display through the controller 10 and the connector circuit 11 of the KVM switch device 1 .

First, when the user operates with the first computer host CP1, the first computer host CP1 can regard both the first display device DP1 and the second display device DP2 as part of the operating interface through the KVM switching device 1. That is, a second display of the second display device DP2 may be an extended display area of a first display area of the first display device DP1. In this embodiment, the KVM switching device 1 is also connected to a mouse 2 and a keyboard 3 . That is to say, the image information processing circuit 12 of the KVM switching device 1 can determine whether the tablecloth image information or other program image information displayed on the first display device DP1 is displayed on the first display device based on the position and size of the image information. DP1 and the second display device DP2 may be partially displayed on the first display device DP1 and partially displayed on the second display device DP2.

This display function is a function achieved by the first computer host CP1 through the multi-computer switching device 1 . The KVM switching device 1 can store and calculate the highest resolution of the first display device DP1 and the second display device DP2, determine the current position of the mouse according to the previous position and movement distance of the mouse pointer, and determine where the mouse is. The position is in the first display area of the first display device DP1 or the second display area of the second display device DP2.

When the previous position of the mouse pointer is in the first display area, the controller 10 of the KVM switching device 1 will record the movement distance of the mouse pointer, and calculate whether the mouse pointer moves to the boundary of the first display, and Determine whether the mouse pointer needs to be displayed on the second display. That is, the controller 10 and the image information processing circuit 12 of the KVM switching device 1 will calculate the highest resolution of the first display device DP1 and the highest resolution of the second display device DP2 to calculate the movement distance and location of the mouse pointer. Location.

Furthermore, a first operation interface display information of the first computer host CP1 is displayed on the first display area of the first display device DP1 and the second display area of the second display device DP2. That is to say, the operation interface display information of the operation interface of the first computer host CP1 can be displayed on the first display area and the second display area. That is, users can switch between multiple computers The device 1 operates the first computer host CP1 on the first display area, and the user can also operate the first computer host CP1 on the second display area through the KVM switching device 1 .

Referring to Figure 2, the second operation interface display information of the second computer host CP2 can also be displayed on the first display device DP1 and the second display device DP2. The second computer host CP2 can use the first display device DP1 as the main screen and the second display device DP2 as the extended screen.

In this embodiment, the user can provide control signals through peripheral devices, such as mouse 2 or keyboard 3 . The control signal of the mouse 2 or the keyboard 3 will be provided to the controller 10 of the KVM switching device 1 . The controller 10 of the KVM switching device 1 . Then, the display areas of the first display device DP1 and the second display device DP2 or the first display device DP1 and the second display device DP2 can be provided to the second computer host CP2 to display the operation interface.

The aforementioned control signal is a key signal of one or more keys of the peripheral device (mouse 2 or keyboard 3) or a combination thereof.

In addition, the mouse 2 and the keyboard 3 in this embodiment are peripheral devices. Furthermore, in addition to the mouse 2 and the keyboard 3, the peripheral device may also include a wireless signal receiver.

When the peripheral device is a wireless signal receiver (not shown), the wireless signal receiver (not shown) can receive a peripheral control signal provided by an electronic device ED. The electronic device ED may be a wireless mouse, a wireless keyboard, a smart phone, a tablet computer or a wearable electronic device.

The plurality of connectors 111 of the connector circuit 11 may be an HDMI connector, a USB connector or a Lightning connector.

In addition, the on screen display circuit 14 (On Screen Display, OSD) of the KVM switching device 1 is electrically connected to the controller 10 . The screen display circuit 14 can send a communication signal to the controller 10 . When the controller 10 detects the area where the coordinates of an indicator displayed on the first display device DP1 are located, and A confirmation signal is sent to the screen display circuit, and the screen display circuit 14 adjusts the screen display of the area where the coordinates of the pointer are located based on the received confirmation signal. Similarly, when the controller 10 detects the coordinate area of a pointer displayed on the second display device DP2 and sends a confirmation signal to the screen display circuit 14, the screen display circuit 14 will adjust the coordinates of the pointer according to the obtained confirmation signal. The screen display of the area.

[Second Embodiment]

Please refer to FIG. 3 and FIG. 4 . FIG. 3 is a schematic diagram of a multi-computer switching device in a second embodiment of the present invention in combination with multiple display devices and multiple computer hosts. FIG. 4 is a schematic diagram of a multi-computer switching device collocated with multiple display devices and multiple computer hosts according to the second embodiment of the present invention.

One of the plurality of connectors of the connector circuit 11 is also connected to a second computer host CP2. The controller 10 of the KVM switching device 1 can display a second operating interface display information of the second computer host on the second display area of the second display device according to a control signal.

Similar to the first embodiment, the second operation interface display information of the second computer host CP2 can also be displayed using the first display device DP1 and the second display device DP2. That is, the first display device DP1 can display the second operating interface display information of the second computer host CP2, and the second display device DP2 can also serve as an extended screen to display the second operating interface display information.

Furthermore, as shown in FIGS. 3 and 4 , the controller 10 of the KVM switching device 1 can also cause the first computer host CP1 and the second computer host CP2 to transmit data according to a data transmission control signal. The data transmission control signal may be a key signal of one or more keys of the mouse 2 or the keyboard 3 or a combination thereof.

As shown in Figure 3, when a piece of data Data1 of the first computer host CP1 is clicked, and the controller 10 receives the data transmission control signal, next, the data Data1 of the first computer host CP1 will pass through the multiple computers. The switching device 1 transmits to the second computer host CP2. As shown in Figure 2, the data The transmission process is from the first computer host CP1 to the KVM switching device 1 through the connector circuit 11. Then, the KVM switching device 1 will transmit the data Data1 to the second computer host CP2 indicated by the data transmission control signal. The KVM switching device 1 is also transmitted to the second computer host CP2 through the connector circuit 11 . This process does not require the intervention of other communication circuits and can effectively improve the security of data transmission.

In FIG. 3 , the first display device DP1 displays the first operation interface display information of the first computer host CP1. The second display device DP2 displays the second operation interface display information of the second computer host CP2. When the controller 10 of the KVM switching device 1 receives a data transmission control signal from the mouse 2, keyboard 3 or other peripheral devices, the first computer host CP1 and the second computer host CP2 can start data transmission.

Similarly, as shown in FIG. 4 , the data Data2 of the second computer host CP2 can also be clicked, and the controller 10 receives the data transmission control signal. Afterwards, the data Data2 can be transmitted to the KVM switching device 1 through the connector circuit 11 . Then, the data Data2 will be transmitted from the KVM switching device 1 to the second computer host CP2 through the connector circuit 11 .

That is, the user can use the mouse 2 or the keyboard 3 to click on the data content to be transmitted in the first host CP1, and then use the mouse 2 to move the data content Data1 to be transmitted in the first host CP1 from the first display Drag the area to the second display area. Or use the copied hot key combination (hot key) to move from the first display area to the second display area and then copy.

Similarly, when the multi-computer switching device 1 of this embodiment is connected to two or more computer hosts, data can also be transferred through switching between different hosts, which can significantly reduce the purchase cost of the intermediary storage device and the time cost of data transmission. .

[Beneficial effects of the embodiment]

One of the beneficial effects of this invention is that the multi-computer switching device provided by this invention can provide the same computer host with the flexibility to use multiple display devices to extend the screen. and It can also display the operating interface information of multiple computer hosts at the same time, and switch and operate between multiple computer hosts and multiple display devices. In addition, multiple computer hosts can also transfer data between each other through a multi-computer switching device, without the need for additional storage devices, such as flash memory, external hard drives, or network hard drives. Not only can it significantly reduce hardware costs, but it can also effectively improve the security of data transmission.

The contents disclosed above are only preferred and feasible embodiments of this invention, and do not limit the scope of the patent application for this invention. Therefore, all equivalent technical changes made by using the description and drawings of this invention are included in the application for this invention. within the scope of the patent.

1:Multiple computer switching device

2:Mouse

3: Keyboard

10:Controller

11: Connector circuit

12:Image information processing circuit

13:Storage circuit

14:Screen display circuit

CP1: the first computer host

DP1: first display device

DP2: Second display device

111: Connector

Claims (10)

A multi-computer switching device includes: a controller; and a connector circuit, including a plurality of connectors, respectively connected to a first display device, a second display device and a first computer host, and the connector circuit is The plurality of connectors are electrically connected to the controller; wherein, the first computer host provides a first display information to the third computer through the controller of the KVM switching device and the connector circuit. A display device or the second display device performs display; wherein a second display area of the second display device is an extended display area of a first display area of the first display device. The multi-computer switching device according to claim 1, wherein a first operating interface display information of the first computer host is displayed in the first display area and the second display of the first display device. on the second display area of the device. The KVM switching device according to claim 1, wherein one of the plurality of connectors of the connector circuit is also connected to a second computer host, and the controller of the KVM switching device is based on a control A signal is used to display information displayed on a second operating interface of the second computer host on the second display area of the second display device. The KVM switching device according to claim 3, wherein the connector circuit is also connected to at least one peripheral device, the peripheral device provides the control signal to the controller, and the control signal is a component of the peripheral device. The key signal combination of one or more keys. The multi-computer switching device according to claim 4, wherein the controller causes the first computer host and the second computer host to perform data transmission according to a data transmission control signal, and the data transmission control signal is one of the peripheral devices The key signals of one or more keys or their combination. The KVM switching device of claim 5, wherein the peripheral device includes a mouse, a keyboard or a wireless signal receiver. The KVM switching device of claim 6, wherein the wireless signal receiver receives a peripheral control signal provided by an electronic device. The KVM switching device of claim 7, wherein the electronic device is a wireless mouse, a wireless keyboard, a smart phone or a tablet computer. The KVM switching device according to claim 1, wherein the plurality of connectors of the connector circuit are an HDMI connector, a USB connector or a Lightning connector. The multi-computer switching device according to claim 1 further includes an on screen display circuit (OSD), the on screen display circuit is electrically connected to the controller, and the on screen display circuit sends a communication signal to the controller. The controller detects the area where the coordinates of an indicator displayed on the first display device are located, and sends a confirmation signal to the screen display circuit, and the screen display circuit obtains the confirmation signal according to the Adjusts the screen display of the area where the coordinates of the indicator are located.

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