TWM517353U - Computer switching device - Google Patents

Description

Computer switching device

The present invention provides a computer switching device, and particularly suitable for a computer switching device electrically connected to at least one input/output device and a plurality of hosts.

Today's KVM switch products are electrically connected to a plurality of computer hosts. For example, the host computer is a servo host or other computer device. Therefore, the server manufacturer can switch one of the computer hosts at any time and perform information and system maintenance on one of the computer hosts. After the computer hosts are electrically connected to the connection port of the switching device, the switching device usually switches the control chip to provide a mouse, a keyboard, a display, and the like to switch with one of the computer hosts.

However, in the process of transmitting information between the host computer, the switching device and the controlled device, the signal attenuation, loss and low-speed transmission rate are often prone to occur, so that the computer host and the controlled device must be limited to a short time. Within the distance; either a low-speed transmission rate to ensure efficient communication between the host computer and the controlled device; or limited by electronic specifications to provide a good transmission rate; or a multi-computer switcher often fails to provide a better match The user-friendly user interface is used to cause inconvenience in the use of the KVM switch.

The present invention provides a computer switching device that improves the usability of a computer switching device by transmitting two or more input ports conforming to the universal serial bus 3.0 specification and converting them into a plurality of types of output ports. .

The present invention provides a computer switching device coupled to at least one input/output device and a plurality of hosts. The input/output device is coupled to and controls one of the plurality of hosts through the computer switching device. The computer switching device includes a first ultra-high speed universal sequence bus, a second ultra-high speed universal sequence bus, a first hub unit, a second hub unit, at least one high speed switching unit, a virtual hub unit and control unit. The first ultra-high speed universal sequence bus is configured to receive a first information. The second ultra-high speed universal sequence bus is configured to receive a second information. The first hub unit is electrically connected to the first ultra-high speed universal sequence bus. The second hub unit is electrically connected to the second ultra-high speed universal sequence bus. The high speed switching unit is electrically connected to the first hub unit and the second hub unit. The virtual hub unit is electrically connected to the first hub unit and the second hub unit. The control unit is electrically connected to the high speed switching unit and the virtual line unit to control switching between the high speed switching unit and the virtual line unit. The control unit outputs a control signal to the high-speed switching unit and the virtual line unit, and the high-speed switching unit switches to the first information or the second information output according to the control signal, and the virtual line unit converts the first information into one according to the control signal. The first low-speed universal sequence bus signal, or the second information is converted into a second low-speed universal sequence bus signal.

It can be seen from the above that the specific means of the present invention is to use a computer switching device to transmit the design of two or more input ports conforming to the universal serial bus 3.0 specification and convert them into a plurality of types of output ports, for example, in accordance with the universal The output port of the serial bus 3.0 or 2.0 specification improves the ease of use of the computer switching device. In this way, the computer switching device can be electrically connected to the display, the flash drive, the smart phone, the tablet computer, the mouse, the keyboard or other peripheral devices, and the creation can really improve the convenience of the computer switching device.

In order to further understand the techniques, methods and effects of this creation, please refer to the following detailed description and drawings of the creation. The above description of the creation and the description of the following embodiments are for further explanation. The technical means of creation and the achievement of the effect, but the embodiments and drawings described are provided for reference only, and are not intended to limit the creation.

101, 102, 310‧‧‧ input and output devices

20, 320‧‧‧Computer switching device

201‧‧‧First input and output unit

202‧‧‧High speed switching unit

203‧‧‧Virtual line unit

204‧‧‧Audio and video switching unit

205‧‧‧Control unit

206‧‧‧The first ultra-high speed universal serial bus

207‧‧‧Second SuperSpeed Universal Sequence Bus

208‧‧‧Second input and output unit

209‧‧‧First line unit

210‧‧‧Second line unit

211‧‧‧ audio and video output unit

212‧‧‧First audio and video input unit

213‧‧‧Second audio and video input unit

214‧‧‧Control unit

301, 302, 3301, 3302‧‧‧ host

311‧‧‧Screen, display

312‧‧‧ keyboard

313‧‧‧ Mouse

340‧‧‧ horn

1 is a functional block diagram of a computer switching device of the present embodiment.

2 is a schematic diagram of a computer switching device of the present embodiment.

In the following, the present creation will be described in detail by way of various illustrative embodiments of the present invention. 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. In addition, the same reference numerals may be used in the drawings to represent similar elements.

[Embodiment of Computer Switching Device]

Please refer to FIG. 1. FIG. 1 is a functional block diagram of a computer switching device according to an embodiment of the present invention. A computer switching device 20 is coupled between at least one of the input and output devices 101 and 102 and a plurality of hosts 301 and 302. The computer switching device 20 includes at least one first input/output unit 201, at least one high-speed switching unit 202, and a virtual hub. The unit 203, an audio and video switching unit 204, a control unit 205, a first ultra-high speed universal sequence bus 206, a second ultra-high speed universal sequence bus 207, at least a second input/output unit 208, and a first hub. The unit 209, a second line unit 210, an audio and video output unit 211, a first audio and video input unit 212, a second audio and video input unit 213, and a manipulation unit 214. The first and second ultra-high speed universal sequence bus bars 206 and 207 are all connected to the universal serial bus 3.0 specification (USB 3.0).

In practice, the first hub unit 209 is electrically connected to the first ultra-high speed universal sequence bus 206, the high speed switching unit 202, and the virtual hub unit 203. The second hub unit 210 is electrically connected to the second ultra-high speed universal sequence bus 207, the high speed switching unit 202, and the virtual hub unit 203. The first and second ultra-high speed universal sequence bus bars 206 and 207 are electrically connected to the hosts 301 and 302, respectively.

The computer switching device 20 is, for example, a KVM switch. Host 301, 302 may be a servo device, computer device, master device, or other computer device having a universal serial bus port. The first input/output unit 201, the second output/output unit 208, and the audio and video output unit 211 can be electrically connected to at least one of the input and output devices 101 and 102, respectively. The input/output devices 101 and 102 are, for example, peripheral devices such as a printer, a display, a projector, a smart phone, a tablet, a flash drive, a keyboard, or a mouse having a universal serial bus port. This embodiment does not limit the aspect of the computer switching device 20 and the input/output devices 101, 102.

The first ultra-high speed universal sequence bus 206 is configured to receive a first information. The second ultra-high speed universal sequence bus 207 is configured to receive a second information. In practice, the first ultra-high speed universal sequence bus 206 is, for example, a port that conforms to the Universal Serial Bus 3.0 specification. The second ultra-high speed universal sequence bus 207 is, for example, a port that conforms to the universal sequence bus 3.0 specification. This embodiment does not limit the aspects of the first and second ultra high speed universal sequence bus bars 206, 207.

In practice, the Universal Sequence Bus 3.0 specification is comparable to the Universal Sequence Bus 2.0 specification and 1.1 specification. The Universal Sequence Bus 3.0 specification can simultaneously perform multiple data transmission streams and increase its signal bandwidth to 5 Gbp/s. Maximum transfer rate. The Universal Sequence Bus 3.0 specification provides a faster transfer rate than the Universal Serial Bus 2.0 specification provides a maximum transfer rate of 480 Mbp per second, and the Universal Sequence Bus 1.1 specification can only provide a maximum transfer rate of 12 Mbp per second. The Type-A/Type-B interface of the Universal Sequence Bus 3.0 specification can be backward compatible. In other words, the Universal Sequence Bus 3.0 is compatible with the Universal Serial Bus 2.0 specification and the 1.1 Type original Type-A. /Type-B interface.

The first input/output unit 201 is electrically connected to the high speed switching unit 202, and the first input/output unit 201 is configured to output the first information or the second information. In practice, the number of the first input/output units 201 is, for example, two, three or more. That is to say, the ultra-high speed universal sequence bus signal is transmitted through the switching operation of the high speed switching unit 202, so that more than one first input/output unit 201 outputs the super high speed universal sequence bus signal. For convenience of explanation, the present embodiment is described by a first input/output unit 201. This embodiment does not limit the number and aspect of the first input/output unit 201.

The second input/output unit 208 is electrically connected to the virtual line unit 203, and the second output unit 208 is configured to output a first low-speed universal sequence bus signal or a second low-speed universal sequence bus signal. In practice, the number of second input/output units 208 is, for example, two, three or more. That is to say, the switching operation of the ultra-high speed universal sequence bus signal through the virtual hub unit 203 causes one or more second input/output units 208 to output a low speed universal sequence bus signal. For convenience of explanation, the present embodiment is described by a second input/output unit 208. This embodiment does not limit the number and aspect of the second input/output unit 208.

In detail, the at least one first input/output unit 201 is, for example, a port that conforms to the general sequence bus bar 3.0 specification. The at least one second output unit 208 is, for example, a port that conforms to the specifications of the universal sequence bus bar 2.0, 1.1, and 1.0. That is to say, the user can use a high-speed (Hi-Speed) or low-speed transmission speed smart phone, tablet, pen drive, mouse, keyboard or peripheral device through the universal serial bus 2.0 specification connection, and the user Through the Universal Serial Bus 3.0 specification, you can use ultra-speed (SuperSpeed) transmission rate electronic devices, such as high-end smart phones, high-end tablets or other electronic devices, among which high-end smart phones can provide intelligent fast charging. . Thereby, the usability of the computer switching device 20 is improved.

The high speed switching unit 202 is electrically connected to the first hub unit 209 and the second hub unit 210. The virtual hub unit 203 is electrically connected to the first hub unit 209 and the second hub unit 210. The control unit 205 is electrically connected to the high speed switching unit 202 and the virtual line unit 203 for controlling the switching of the high speed switching unit 202 and the virtual line unit 203. The high speed switching unit 202 is implemented, for example, by a power transistor, a gate transistor, or other high speed switch. This embodiment does not limit the aspect of the high speed switching unit 202.

The virtual hub unit 203 is electrically connected to the first hub unit 209 and the second hub unit 210. The virtual hub unit 203 is configured to convert the first information or the second information into at least one low-speed universal sequence bus signal. For example, the virtual hub unit 203 will be the first capital The signal is converted into a first low-speed universal sequence bus signal, or the second information is converted into a second low-speed universal sequence bus signal. The virtual hub unit 203 is configured to use the ultra-high speed universal sequence bus signal in the information, and convert the ultra-high speed universal sequence bus signal to at least one low-speed universal sequence bus signal.

The virtual hub unit 203 is configured to convert the first ultra-high speed universal sequence bus signal or the second ultra-high speed universal sequence bus signal into at least one low speed universal sequence bus signal. At least one low speed universal sequence bus signal is output via the second input/output unit 208. The second input/output unit 208 is, for example, at least one of a mouse connection port, a keyboard port, and a peripheral device port.

The virtual hub unit 203 is implemented, for example, by a chip or circuit of a virtual hub. This embodiment does not limit the aspect of the virtual line unit 203. In practice, the control unit 205 forwards the terminal of the previously planned virtual hub unit 203 and its settings back to the host 301, 302, so that the host 301, 302 recognizes the virtual hub unit 203, and assigns a USB address to the virtual unit. Line unit 203.

The virtual hub unit 203 is configured to convert the ultra-high speed universal sequence bus signal into at least one low speed universal sequence bus signal. The low-speed universal sequence bus signal is, for example, a signal of the highest theoretical speed of 480 Mbps. In other words, the data transfer rate of the ultra-high speed universal sequence bus signal can be about 10 times (5 Gbps) connection rate of the low speed universal sequence bus signal. The low-speed universal serial bus signal is suitable for transmitting the mouse cursor signal, keyboard button signal or USB 2.0 flash drive signal.

In practice, the first hub unit 209 is, for example, a wafer or circuit of a hub. Similarly, the second hub unit 210 is, for example, a chip or circuit of a hub. The control unit 205 is electrically connected to the high speed switching unit 202, the virtual line unit 203, the audio and video switching unit 204, and the manipulation unit 214. The manipulation unit 214 is electrically connected to the control unit 205. In practice, control unit 205 is implemented, for example, as a processor, microprocessor, processing circuit, or control circuit. This embodiment does not limit the aspects of the first and second hub units 209, 210 and the control unit 205.

The manipulation unit 214 is, for example, a button, an infrared sensor, and a Bluetooth sensor. Or a wireless fidelity sensor. This embodiment does not limit the aspect of the manipulation unit 214. The control unit 214 is configured to receive a manipulation indication to output a control signal to the control unit 205. The control unit 205 controls the switching operation of the high speed switching unit 202, the virtual line unit 203, and the audio and video switching unit 204 according to the manipulation signal.

The audio and video switching unit 204 is electrically connected to the control unit 205, and the audio and video switching unit 204 is configured to receive a first audio and video signal and a second audio and video signal. The control unit 205 outputs a control signal to the audio-video switching unit 204 to cause the audio-video switching unit 204 to switch the first audio-video signal or the second audio-video signal output. The audio and video output unit 211 is electrically connected to the audio and video switching unit 204, and the audio and video output unit 211 is configured to output the first audio and video signal or the second audio and video signal.

The first audio and video input unit 212 is electrically connected to the audio and video switching unit 204 and one of the plurality of hosts 301 and 302. The second audio and video input unit 213 is electrically connected to the audio and video switching unit 204 and the plurality of hosts 301 and 302. The other one. The audio and video output unit 211 is, for example, a high-resolution multimedia interface (HDMI), a video graphics array interface (VGA), a digital video interface (DVI), a D terminal, a serial digital interface, or a digital video. One of the interfaces (DisplayPort).

In other embodiments, the number of hosts 301, 302 is, for example, two, three, or multiple. The number of ultra high speed universal sequence bus bars 206, 207 is, for example, two, three or more. The number of the first input/output units 201 is, for example, two, three or more. The number of the second input/output units 208 is, for example, two, three or more. The number of audio and video output units 211 and audio and video input units 212, 213 is, for example, two, three or more, respectively. The number of the input/output devices 101, 102 is, for example, two, three or more.

The host 301, 302, the first input/output unit 201, the second input/output unit 208, the audio and video output unit 211, the audio and video input units 212, 213, and the ultra-high speed universal sequence busbars 206, 207 can be designed according to actual needs. The number or the number of different. The embodiment does not limit the host 301, 302, the first input/output unit 201, the second input/output unit 208, the audio and video output unit 211, and the audio and video input list. The number of elements 212, 213 and the ultra-high speed universal sequence bus 206, 207.

Therefore, the present embodiment uses the original two or more input ports conforming to the universal serial bus 3.0 specification, and the high-speed switching unit switches to the information conforming to the universal serial bus 3.0 specification according to the control signal, and The low-speed universal sequence bus signal that conforms to the universal serial bus 2.0, 1.1, or 1.0 specification is switched by the virtual hub unit according to the control signal. In addition, the audio and video signals can be switched to a high resolution multimedia interface (HDMI) signal, a digital video interface (DVI) signal, or a digital display interface (DisplayPort) signal through the audio and video switching unit. Therefore, the computer switching device 20 can be electrically connected to the display, the smart phone, the tablet, the flash drive, the mouse, the keyboard or other peripheral devices, thereby improving the usability of the computer switching device 20. This embodiment does not limit the operation of the computer switching device 20.

2 is a schematic diagram of a computer switching device according to another embodiment of the present invention. Please refer to Figure 2. 2 shows two mainframes 3301, 3302, a computer switching device 320, a mouse 313, a keyboard 312, a screen 311 and a speaker 340. The two hosts 3301, 3302 are electrically connected to the computer switching device 320, respectively. The mouse 313, the keyboard 312, the screen 311 and the speaker 340 are electrically connected to the computer switching device 320, respectively.

In practice, the user uses a super speed (Hi-Speed), a full speed (Full Speed) or a low speed (Low Speed) transmission speed through the computer switching device 320, a smart phone, a tablet computer, a mouse 313, Keyboard 312, flash drive or peripheral device. The user can use the ultra-high-speed transmission rate electronic device through the universal serial bus 3.0 specification connection, such as a high-end smart phone, a high-end tablet computer or other electronic device, and can also use the universal serial bus through the virtual line unit. An electronic device with a 2.0, 1.1 or 1.0 specification transmission rate. Thereby, the usability of the computer switching device 320 is improved.

In addition, the user can switch the device by operating the computer switching device 320. The device 320 switches to the information output of one of the hosts 3301, 3302. For example, the user switches to use the output of the host 3301 by operating the computer switching device 320, whereby the user can manipulate the host 3301 through the mouse 313, the keyboard 312, and the screen 311. When the user wants to change to another host 3302, the user can control the output of the host 3302 by operating the computer switching device 320, so that the user can control the host through the mouse 313, the keyboard 312 and the screen 311. 3302. This embodiment does not limit the operation of the computer switching device 320.

In addition, those skilled in the art can design a multi-computer switching system according to the technical spirit of the computer switching device 320 of the present embodiment. This embodiment does not limit the aspect of the multi-computer switching system. The rest is the same and will not be repeated here.

In summary, the present invention is a computer switching device in which a computer switching device transmits a design of two or more input ports conforming to the universal serial bus bar 3.0 specification and converts them into a plurality of types of output ports, for example, The output port of the universal serial bus 3.0, 2.0, 1.1 or 1.0 specification improves the ease of use of the computer switching device. Among them, the high-speed switching unit is used to switch the ultra-high speed universal serial bus signal at a super high speed or a high speed.

In addition, the embodiment also discloses a virtual line unit for converting the ultra-high speed universal serial bus signal into at least one low-speed universal serial bus signal, so that the original USB designed mouse and keyboard can be electrically connected to Switch the device. In this way, the switching device can be electrically connected to the display, the flash drive, the smart phone, the tablet computer, the mouse, the keyboard or other peripheral devices, and the creation can really improve the convenience of the switching device.

In summary, this creation has already met the requirements of the new patent and applied in accordance with the law. However, the above disclosures are only preferred embodiments of the present invention, and the scope of rights of the present invention cannot be limited thereto. Therefore, the equal changes or modifications made according to the scope of the application of the present application are still covered by the present application.

101, 102‧‧‧ input and output devices

20‧‧‧Computer switching device

201‧‧‧First input and output unit

202‧‧‧High speed switching unit

203‧‧‧Virtual line unit

204‧‧‧Audio and video switching unit

205‧‧‧Control unit

206‧‧‧The first ultra-high speed universal serial bus

207‧‧‧Second SuperSpeed Universal Sequence Bus

208‧‧‧Second input and output unit

209‧‧‧First line unit

210‧‧‧Second line unit

211‧‧‧ audio and video output unit

212‧‧‧First audio and video input unit

213‧‧‧Second audio and video input unit

214‧‧‧Control unit

301, 302‧‧‧ host

Claims (7)

A computer switching device is coupled to at least one input/output device and a plurality of hosts, wherein the input/output device is coupled to and controls one of the hosts through the computer switching device, and the computer switching device comprises: a first ultra-high speed universal sequence The bus bar is configured to receive a first information, the first ultra-high speed universal sequence bus bar is a port that conforms to the universal sequence bus bar 3.0 specification; and a second ultra-high speed universal sequence bus bar is configured to receive a second message. The second ultra-high speed universal sequence bus is a connection 符合 conforming to the universal serial bus 3.0 specification; a first concentrating unit electrically connected to the first ultra-high speed universal sequence bus; and a second concentrating unit, electrical Connecting the second ultra-high speed universal sequence bus; at least one high speed switching unit electrically connecting the first line unit and the second line unit; and a virtual line unit electrically connecting the first line unit and the second line And a control unit electrically connecting the at least one high speed switching unit and the virtual line unit, wherein the control unit is configured to control the at least one high speed Switching between the unit and the virtual line unit; wherein the control unit outputs a control signal to the at least one high speed switching unit and the virtual line unit, and the at least one high speed switching unit switches to the first information according to the control signal or a second information output, the virtual line unit converts the first information into a first low-speed universal sequence bus signal according to the control signal, or converts the second information into a second low-speed universal sequence bus signal . The computer switching device of claim 1, further comprising an audio and video switching unit, Electrically connecting the control unit, the audio and video switching unit is configured to receive a first audio and video signal and a second audio and video signal, and the control unit outputs the control signal to the audio and video switching unit, so that the audio and video switching unit Switching the first audio and video signal or the second audio and video signal output. The computer switching device of claim 2, further comprising an audio and video output unit, at least one first input/output unit, and at least one second input/output unit, wherein the audio and video output unit is electrically connected to the audio and video switching unit, The audio and video output unit is configured to output the first audio and video signal or the second audio and video signal, and the at least one first input and output unit is electrically connected to the at least one high speed switching unit, and the at least one first input and output unit is used to Outputting the first information or the second information, the at least one second input/output unit is electrically connected to the virtual line unit, and the at least one second input/output unit is configured to output the first low-speed universal sequence bus signal or the first Two low-speed universal serial bus signals. The computer switching device of claim 3, wherein the audio and video output unit is a high-resolution multimedia interface (HDMI), a video graphics array interface (VGA), a digital video interface (DVI), a D terminal, and a a serial digital interface or a digital video interface (DisplayPort), the first input/output unit is a connection port conforming to the universal sequence bus bar 3.0 specification, and the second input/output unit is a universal sequence bus bar 2.0, 1.1 or 1.0 specification of the connection port. The computer switching device of claim 4, wherein the at least one second input/output unit is at least one of a mouse connection port, a keyboard port, and a peripheral device port. The computer switching device of claim 2, further comprising a first audio and video input unit and a second audio and video input unit, wherein the first audio and video input unit is electrically connected to the audio and video switching unit and the host First, the second audio and video input unit is electrically connected to the audio and video switching unit and the other of the hosts. The computer switching device of claim 1, further comprising a control unit electrically connected to the control unit, wherein the control unit is a button and an infrared sensor a control unit for receiving a control signal to output a control signal to the control unit, the control unit controlling the at least one according to the control signal The switching operation of the high speed switching unit, the virtual line unit, and the audio and video switching unit.