TWM525484U - Kvm switch and system thereof - Google Patents

Description

KVM switch and its system

The present invention relates to a switch and a system thereof, and more particularly to a KVM switch and a system thereof for electrically connecting a plurality of computer devices and a plurality of display devices.

As the use of computer products tends to be diversified, more and more users often use switchers to meet more demanding needs, depending on the needs and operational considerations. Therefore, there are many products on the market that can connect multiple computer devices, peripheral devices, and display devices.

However, most of the traditional KVM switch products can only be connected to a single display device to selectively output image signals of one of the plurality of computer devices to the screen. Or copy and output the image signal of one computer device to multiple display devices, so that each display device displays the same image signal. Therefore, the occasions and ways in which they are applicable are limited.

Therefore, when the user needs to apply to multiple computer devices, such as personal computers, laptops, servo computers, cloud computers or other computers, and multiple images between multiple display devices such as desktop screens, televisions, projectors, etc. Switching, and it is desirable to enable different display devices to simultaneously display image signals output by different computer devices. Traditional multi-computer switching devices will not be able to meet this demand, resulting in restrictions and inconveniences for users to switch between multiple computers.

The present invention proposes a KVM switch electrically connected between a plurality of computer devices and a plurality of display devices. The display device includes a first display device and a second display device, and the KVM switch includes an image switch. Unit, a peripheral switching unit and a control unit. The image switching unit is coupled to the plurality of image ports and the plurality of image output ports. The image port is coupled to the image output end of the computer device, and the image output port is coupled to the first display device and the second display device. The switching unit receives the plurality of image signals outputted by the image output end of the computer device through the image connection port, and the image switching unit outputs one of the image signals to the first display device according to a first control signal, and the image switching unit according to the image switching unit a second control signal for outputting one of the image signals to the second display device; the peripheral switching unit is coupled to the plurality of peripheral ports and a first transmission port, and each of the peripheral ports is coupled to the peripheral output end of one of the computer devices, The peripheral switching unit selectively transmits the peripheral output end of one of the computer devices to the first transmission port according to a third control signal; the control unit is coupled to the image switching unit and the peripheral switching unit, and the control unit is configured to output the first a control signal or a second control signal to control switching of the image switching unit As a control unit for outputting a third control signal, to control the switching operation of the peripheral switching unit.

The present invention proposes a multi-computer switching system comprising a plurality of display devices, a plurality of computer devices and a multi-computer switch. The display device includes a first display device and a second display device; each computer device is configured to provide an image signal and a universal serial bus signal; and the KVM switch is coupled to the computer device and the display Between devices.

The specific means of the creation is to use a KVM switch to achieve the purpose of switching the image signal output of multiple computer devices to multiple different display devices and switching peripheral devices through the settings of the image switching unit and the peripheral switching unit. This will increase the diversity and convenience of the use of KVM switches.

The above summary and the following embodiments are for further explanation of the technical means and the effect of the present invention, but the described embodiments and drawings only provide a reference. It is not intended to limit the creation of this creation.

10‧‧‧Multicomputer switching system

11‧‧‧Multicomputer switcher

1111‧‧‧Image Connection埠

1113‧‧‧Image Connection埠

1115‧‧‧Image Connection埠

112‧‧‧Control unit

1131‧‧‧ Peripheral connection埠

1133‧‧‧ Peripheral connection埠

1135‧‧‧ Peripheral connection埠

114‧‧‧Image switching unit

1151‧‧‧Image output埠

1153‧‧‧Image output埠

116‧‧‧ Peripheral switching unit

1171‧‧‧First transmission

1173‧‧‧Second transmission

119‧‧‧Control interface

131‧‧‧Computer equipment

1311‧‧‧Image output

1313‧‧‧ peripheral output

133‧‧‧Computer equipment

1331‧‧‧Image output

1333‧‧‧ peripheral output

135‧‧‧ computer equipment

1351‧‧‧Image output

1353‧‧‧ peripheral output

137‧‧‧Computer equipment

139‧‧‧Computer equipment

151‧‧‧First display device

153‧‧‧Second display device

171‧‧‧First input device

173‧‧‧second input device

30‧‧‧Multicomputer switching system

40‧‧‧Multicomputer switching system

FIG. 1 is a schematic diagram of an embodiment of a multi-computer switching system of the present invention.

2 is a functional block diagram of an embodiment of the present invention.

3 is a functional block diagram of another embodiment of the present multi-computer switching system.

4 is a schematic diagram of the operation of still another embodiment of the present invention.

Various illustrative embodiments are described more fully hereinafter with reference to the accompanying drawings. However, the inventive concept may be embodied in many different forms and should not be construed as being limited to the illustrative embodiments set forth herein. Rather, these exemplary embodiments are provided so that this description will be thorough and complete, and the scope of the inventive concept will be fully conveyed to those skilled in the art. In the figures, like numerals are used to indicate like elements.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements or signals, etc., such elements or signals are not limited by such terms. These terms are used to distinguish one element from another, or a signal and another. In addition, as used herein, the term "or" may include all combinations of any one or more of the associated listed items.

Please refer to FIG. 1 , which is a schematic diagram of an embodiment of the present invention. As shown, the KVM system 10 includes a KVM switch 11, computer devices 131, 133, 135, a first display device 151, a second display device 153, and a first input device 171. The KVM switch 11 has image ports 埠1111, 1113, 1115, peripheral ports 埠1131, 1133, 1135, image output ports 1151, 1153, a first transfer port 1171, and a control interface 119. The image output terminals (not shown) of the computer devices 131, 133, and 135 are respectively connected to the image ports 1111, 1113, and 1115 of the KVM switch 11. First display device 151 and second display The device 153 is connected to the image output ports 1151 and 1153 of the KVM switch 11, respectively. The peripheral outputs (not shown) of the computer devices 131, 133, and 135 are connected to the peripheral ports 埠 1131, 1133, and 1135 of the KVM switch 11, respectively. The first input device 171 is connected to the first transfer port 1171 of the KVM switch 11.

The KVM switch 11 receives the image signals output by the image output ends of the computer devices 131, 133, and 135 through the image ports 埠1111, 1113, and 1115, and outputs the image signals of one of the computer devices 131, 133, and 135 to The first display device 151 outputs an image signal of one of the computer devices 131, 133, 135 to the second display device 153. The KVM switch 11 can also select to enable the peripheral output end of one of the computer devices 131, 133, 135 to transmit data to the first transfer port 1171 through one of the peripheral connections 埠 1131, 1133, 1135 of the corresponding connection.

For example, the image output port 1151 of the KVM switch 11 can output the image signal of one of the computer devices 131, 133, and 135 to the first display device 151. That is, the first display device 151 can display an image signal of one of the computer devices 131, 133, 135. Similarly, the image output port 1153 of the KVM switch 11 can also output the image signal of one of the computer devices 131, 133, and 135 to the second display device 153. That is, the second display device 153 can display an image signal of one of the computer devices 131, 133, and 135.

The control interface 119 of the KVM switch 11 can be built in the KVM switch 11 or externally connected to the KVM switch 11, and is not limited thereto. The control interface 119 is operable by the user to select to switch the image signals outputted to the first display device 151 and the second display device 153, and switch one of the computer devices 131, 133, 135 for data transmission with the first transmission port 1171. Peripheral output. In other implementations, the control interface 119 can be implemented by a wireless signal transceiving controller, a Bluetooth signal transceiving controller, or an RF signal transceiving controller.

The first input device 171 can be a keyboard, a mouse, a tablet, a touch device, or a rocker, but is not limited thereto. The first input device 171 can pass through the first transmission port 1171 and the peripheral output end of the selected one of the computer devices 131, 133, 135 Data transfer. In this regard, the user can operate the first input device 171 to control one of the selected computer devices 131, 133, 135. Thereby, the image signals of the switching of the plurality of computer devices 131, 133, and 135 are outputted to the first display device 151 and the second display device 153, and one of the computer devices 131, 133 controlled by the first input device 171 is switched. The purpose of 135.

For example, the user can use the computer device 135 as a control device, thereby controlling the image output 埠 1151 of the KVM switch 11 to output the image signal of the computer device 133 to the first display device 151, and controlling the image of the KVM switch 11 The output port 1153 outputs an image signal of the computer device 133 to the second display device 151. That is to say, both the first display device 151 and the second display device 151 display the image signal of the computer device 133. In other embodiments, the first display device 151 and the second display device 151 can also display the image signal of the computer device 131, or display the image signal of the computer device 135, or display different computer devices 131, 133. , 135 video signal.

Please refer to FIG. 2 , which is a functional block diagram of an embodiment of the present invention. As shown in the figure, and referring to FIG. 1, the KVM switch 11 has a control unit 112, an image switching unit 114, and a peripheral switching unit 116. The computer device 133 has an image output terminal 1311 and a peripheral output terminal 1313. The computer device 133 has an image output terminal 1331 and a peripheral output terminal 1333. The computer device 135 has an image output terminal 1351 and a peripheral output terminal 1353.

The control unit 112 of the KVM switch 11 is coupled to the image switching unit 114, the peripheral switching unit 116, and the control interface 119, respectively. The image switching unit 114 is coupled to the image ports 埠 1111 , 1113 , 1115 and the image output ports 1151 and 1153 , and the peripheral switching unit 116 is coupled to the peripheral ports 埠 1131 , 1133 , 1135 and the first transmission port 1171 . The image output end 1311 of the computer device 131 is coupled to the image port 1111, and the peripheral output end 1313 is coupled to the peripheral port 1131. The image output end 1331 of the computer device 133 is coupled to the image port 1113, and the peripheral output end 1333 is coupled to the peripheral port 1133. The image output end 1351 of the computer device 135 is coupled to the image port. 1115, the peripheral output end 1353 is coupled to the peripheral connection port 1135. The first input device 171 is connected to the first transfer port 1171 of the KVM switch 11.

The image switching unit 114 receives the image signals output by the image output terminals 1311, 1331, and 1351 of the computer devices 131, 133, and 135 through the image ports 埠1111, 1113, and 1115, respectively. The image switching unit 114 outputs a first control signal according to the control unit 112 to output an image signal of one of the computer devices 131, 133, 135 to the first display device 151 through the image output port 1151. The image switching unit 114 outputs a second control signal according to the control unit 112 to output the image signal of one of the computer devices 131, 133, 135 to the second display device 153 through the image output port 1153. The peripheral switching unit 116 outputs a third control signal according to the control unit 112 to selectively pass the peripheral output terminals 1313, 1333, 1353 of one of the computer devices 131, 133, 135 through the corresponding one of the peripheral ports 埠 1131. 1133, 1135 and the first transmission port 1171 perform data transmission. Therefore, the first input device 171 can control one of the selected computer devices 131, 133, 135 through the first transmission port 1171.

In an embodiment of the present invention, the control unit 112 outputs the first control signal and the third control signal to control the switching operation of the image switching unit 114 and the peripheral switching unit 116, thereby causing one of the image ports 埠1111, 1113, and 1115. A selected image signal is output, and a peripheral output of one of the computer devices corresponding to the selected image signal is transmitted to the first transport port 1171.

For example, the control unit 112 outputs the first control signal to control the image switching unit 114, so that the image signal of the computer device 135 is transmitted through the image output port 1151 to the first display device 151. At the same time, the control unit 112 outputs a third control signal corresponding to the computer device 135 to control the switching operation of the peripheral switching unit 116, so that the peripheral output terminal 1353 of the computer device 135 corresponding to the selected image signal and the first transmission port 1171 are configured to perform data. transmission. Therefore, the screen for displaying the image signal of the computer device 135 by the first display device 151 is achieved, and the purpose of the computer device 135 is controlled by the first input device 171.

In an embodiment of the present invention, wherein the control unit 112 outputs the second control signal And a third control signal for controlling the switching operation of the image switching unit 114 and the peripheral switching unit 116, such that one of the image ports outputs a selected image signal, and one of the computer devices corresponding to the selected image signal The peripheral output end transmits data to the first transmission port 1171.

For example, the control unit 112 outputs a second control signal to control the image switching unit 114, so that the image signal of the computer device 135 is transmitted through the image output port 1153 to the second display device 153. The control unit 112 outputs a third control signal corresponding to the computer device 135 to control the switching operation of the peripheral switching unit 116, so that the peripheral output terminal 1353 of the computer device 135 corresponding to the selected image signal is transmitted with the first transmission port 1171. Therefore, the screen for displaying the image signal of the computer device 135 by the second display device 153 is achieved, and the purpose of the computer device 135 is controlled by the first input device 171.

In an embodiment of the present invention, each of the image interfaces 埠1111, 1113, and 1115 is a High Definition Multimedia Interface (HDMI), a Digital Visual Interface (DVI), and a video. Video Graphics Array (VGA) or a video standard interface (DisplayPort), but not limited to this.

In an embodiment of the present invention, each of the peripheral ports 埠 1131, 1133, and 1135 is a universal sequence bus bar conforming to the general sequence bus bar 1.0, 1.1, 2.0, 3.0, or 3.1 specifications, but is not limited thereto.

Please refer to FIG. 3 , which is a functional block diagram of another embodiment of the present multi-computer switching system. The difference from the embodiment shown in FIG. 2 is that the KVM switch 11 in this embodiment has a second transmission port 1173. The second transmission port 1173 is coupled to the peripheral switching unit 116, and the second input device 173 is coupled to the second transmission port 1173.

The peripheral switching unit 116 outputs a fourth control signal according to the control unit 112 to selectively pass one of the peripheral output terminals 1313, 1333, 1353 of the computer device 131, 133, 135 through the corresponding one of the peripheral ports 埠 1131. 1133, 1135 and the second transmission port 1173 perform data transmission. Therefore, the second input device 173 is configured to control the selected one of the computer devices 131, 133 through the second transmission port 1173. The purpose of 135.

Please refer to FIG. 4 , which is a schematic diagram of another embodiment of the multi-computer switching system of the present invention. In this embodiment, a display venue is taken as an example to illustrate the application operation of the multi-computer switching system of the present creation, and please refer to FIG. 2 at the same time. As shown, the KVM system 40 includes a KVM switch 11, computer devices 131, 133, 135, 137, 139, a first display device 151, a second display device 153, and a first input device 171. .

In the exhibition site shown by way of example in the figure, the second display device 153 is exemplified by a large display display such as a video wall or a projector. Various display contents can be stored and executed in the computer devices 131, 133, 135, 137, and 139, respectively. The exhibition staff can quickly switch the image signals output by the computer devices 131, 133, 135, 137, 139 to the second display device 153 for display, and can be displayed through multiple computers, as needed by the exhibition. The switch 11 operates the first input device 171 to perform a corresponding operation.

Through the setting of the KVM switch 11, while the second display device 153 is being displayed, the exhibition staff can select to operate the first input device 171 to operate the computer device 131, 133, 135, 137 or 139 and pass through the first The display device 151 views the image signal output by the computer device to perform some behind-the-scenes work without affecting the ongoing display of the second display device 153 at all. The entire display venue requires only one staff member and does not need to leave the seat, so that the KVM switch 11 can be easily operated to achieve content switching, manipulation and display of the plurality of computer devices 131, 133, 135, 137, 139, and At the same time handle the purpose of behind-the-scenes work

Therefore, through the technology disclosed in the above disclosure, the KVM switch and the system thereof proposed by the present invention achieve the switching of the image signal output of the plurality of computer devices to the plurality of display devices through the setting of the image switching unit and the peripheral switching unit. And switch the purpose of peripheral devices. This will increase the diversity and convenience of the use of KVM switches.

The above descriptions are only preferred embodiments of the present invention, and all changes and modifications made in accordance with the scope of the patent application of this creation should be covered by this creation.

10‧‧‧Multicomputer switching system

11‧‧‧Multicomputer switcher

1111‧‧‧Image Connection埠

1113‧‧‧Image Connection埠

1115‧‧‧Image Connection埠

112‧‧‧Control unit

1131‧‧‧ Peripheral connection埠

1133‧‧‧ Peripheral connection埠

1135‧‧‧ Peripheral connection埠

114‧‧‧Image switching unit

1151‧‧‧Image output埠

1153‧‧‧Image output埠

116‧‧‧ Peripheral switching unit

1171‧‧‧First transmission

119‧‧‧Control interface

131‧‧‧Computer equipment

1311‧‧‧Image output

1313‧‧‧ peripheral output

133‧‧‧Computer equipment

1331‧‧‧Image output

1333‧‧‧ peripheral output

135‧‧‧ computer equipment

1351‧‧‧Image output

1353‧‧‧ peripheral output

151‧‧‧First display device

153‧‧‧Second display device

171‧‧‧First input device

Claims (8)

A KVM switch is electrically connected between a plurality of computer devices and a plurality of display devices, the display device includes a first display device and a second display device, and the KVM switch includes: an image The switching unit is coupled to the plurality of image ports and the plurality of image output ports, each of the image ports is coupled to the image output end of one of the computer devices, and the image output ports are coupled to the first display device And the second display device, the image switching unit receives the plurality of image signals output by the image output ends of the computer devices through the image connection ports, and the image switching unit outputs the plurality of image signals according to a first control signal One of the image signals to the first display device, the image switching unit outputs one of the image signals to the second display device according to a second control signal; a peripheral switching unit coupled to the plurality of a peripheral connection port and a first transmission port, wherein each of the peripheral ports is coupled to a peripheral output end of one of the computer devices, The edge switching unit is configured to selectively transmit the peripheral output end of one of the computer devices to the first transmission port according to a third control signal; and a control unit coupled to the image switching unit and the a peripheral switching unit, the control unit is configured to output the first control signal or the second control signal to control a switching operation of the image switching unit, and the control unit is configured to output the third control signal to control the peripheral switching unit The switching operation. The KVM switch of claim 1, wherein the control unit outputs the first control signal and the third control signal to control switching operations of the image switching unit and the peripheral switching unit to cause the images One of the ports outputs a selected image signal, and the peripheral output of one of the computer devices corresponding to the selected image signal is associated with the first transmission port Transmission, wherein the selected image signal is one of the image signals. The KVM switch of claim 1, wherein the control unit outputs the second control signal and the third control signal to control switching operations of the image switching unit and the peripheral switching unit to cause the images One of the ports outputs a selected image signal, and the peripheral output of one of the computer devices corresponding to the selected image signal is transmitted to the first transmission port, wherein the selected image signal is the One of these video signals. The KVM switch according to any one of the items 1 to 3, further comprising a second transmission port coupled to the peripheral switching unit, wherein the peripheral switching unit is controlled by a fourth control signal to select The peripheral output of one of the computer devices is configured to transmit data to the second transport port. The KVM switch of claim 1, wherein each of the image ports is a high-definition quality multimedia interface, a digital video interface, a video graphics array, or a video standard interface. The KVM switch of claim 1, wherein each of the peripheral ports is a universal sequence bus that conforms to the general sequence bus 1.0, 1.1, 2.0, 3.0, or 3.1 specifications. The KVM switch of claim 1, wherein the first transmission port is coupled to at least one input device, the at least one input device being a mouse or a keyboard. A multi-computer switching system includes: a plurality of display devices, the display device includes a first display device and a second display device; and a plurality of computer devices, each of the computer devices for providing an image signal and a universal sequence sink And a KVM switch as described in one of the items 1 to 7 of the present invention, coupled between the computer devices and the display devices.