CN216412137U - Multicomputer switching device with extended capability identification information - Google Patents
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- CN216412137U CN216412137U CN202121866989.6U CN202121866989U CN216412137U CN 216412137 U CN216412137 U CN 216412137U CN 202121866989 U CN202121866989 U CN 202121866989U CN 216412137 U CN216412137 U CN 216412137U
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Abstract
The utility model discloses a multicomputer switching device with extensible capability identification information, which comprises a processing circuit, an operation interface and a port circuit, wherein the device is connected with a keyboard, a mouse, a first computer, a second computer and display equipment, when the first image signal of the first computer or the second image signal of the second computer is switched to the display device for displaying, the processing circuit receives the image adjusting signal through the operation interface, and then outputs one group of the default extending capability identification information to the first or second computer for interpretation, so that the first or second computer can adjust the first or second image signal output to the display device, and also can output the default extending capability identification information conforming to the display device to the first or second computer for interpretation, so that the first or second computer can adjust the first or second image signal output to the display device.
Description
Technical Field
The present invention relates to switching of screen display of multiple computers, and more particularly to a multicomputer switching device with extensible capability identification information.
Background
Since a computer device or a host is usually connected to only one display device for the user to view, it is impossible to display different computer screens for a large amount or various contents in a plurality of devices or hosts by using one computer device or host alone.
In one case, in order to display a specific screen resolution picture on one display device, when the operator is used to adjust the screen resolution of the display device, the operator often does not adjust the screen resolution to a setting higher than the screen resolution of the allowable range set by the display device, and at this time, the screen resolution to be adjusted cannot be normally displayed on the display device.
Disclosure of Invention
In view of the problems of the prior art, the problem that the computer screen cannot be normally displayed due to the fact that the computer screen exceeds the set allowable range of the screen resolution when the computer screen is adjusted is solved.
According to an embodiment of the present invention, a kvm switch with extensible capability identification information is provided, electrically connecting a keyboard, a mouse, a first computer, a second computer and a display device, the kvm switch comprising: a processing circuit; the operation interface is electrically connected with the processing circuit and is used for operating to input an image adjusting signal; and the port circuit is electrically connected with the processing circuit, the port circuit comprises a first port unit and a second port unit, the processing circuit is electrically connected with the first computer through the first port unit, and the processing circuit is electrically connected with the second computer through the second port unit.
When the multicomputer switching device switches a first image signal of the first computer to be displayed on the display equipment, after the processing circuit receives the image adjusting signal through the operation interface, the processing circuit outputs one of the multiple sets of default extending capability identification information provided in the multicomputer switching device to the first computer for interpretation so as to enable the first computer to adjust the first image signal output to the display equipment.
When the multicomputer switching device switches a second image signal of the second computer to the display device for displaying, and after the processing circuit receives the image adjusting signal through the operation interface, the processing circuit outputs one of the multiple sets of default extending capability identification information provided in the multicomputer switching device to the second computer for interpretation so that the second computer can adjust the second image signal output to the display device.
According to another embodiment of the present invention, the processing circuit reads a plurality of sets of default extended capability identification information, and outputs one set of default extended capability identification information corresponding to the display device to the first computer or the second computer for interpretation, so that the first computer or the second computer can adjust the first image signal or the second image signal output to the display device.
In one embodiment, the image adjusting signal is a screen resolution or a screen update frequency.
In one embodiment, the screen resolution is one of high definition, full high definition, quarter full high definition, 4K resolution, 5K resolution, and 8K resolution.
In one embodiment, the screen update frequency is one of 30 hz, 50 hz, 56 hz, 60 hz, 72 hz and 75 hz.
In an embodiment, the operation interface is a plurality of mechanical keys or a touch screen.
In an embodiment, the operation interface includes a plurality of shortcut keys, and each shortcut key is used for triggering a screen display request corresponding to the first image signal or the second image signal output to the display device, so as to provide a first trigger signal or a second trigger signal to the processing circuit.
The utility model has the possible technical effect that the peripheral operation device of a group of mouse and keyboard can directly control the display picture on the same display device, namely, more than two computer display pictures can be directly controlled to be displayed and switched on the same display device.
And secondly, selecting and using the extended ability identification information (EDID) and inputting the selected and used extended ability identification information into a computer for interpretation, and then switching and outputting the corresponding display frame specification to the display equipment according to the screen resolution and the screen updating frequency of the extended ability identification information interpreted by the computer.
And through the extended ability identification information (EDID), actively judging the screen resolution and the screen updating frequency of the connected display equipment, and setting and restoring the proper screen resolution and screen updating frequency according to the specification of the display equipment, so that the picture display specification corresponding to the display equipment can be switched and output to the display equipment according to the extended ability identification information judged by the computer.
To further clarify the technical and functional aspects of the present invention, a better understanding of the present invention, by making reference to the following detailed description and drawings, will be obtained by reference to the accompanying drawings, which are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification.
Drawings
Fig. 1 is a block diagram of an embodiment of a kvm switch apparatus connected to a keyboard, a mouse, a first computer, a second computer, and a display device.
Fig. 2 is a schematic diagram showing that the operation interface is configured with a plurality of mechanical keys, and the desired screen resolution and the screen update frequency can be switched in real time through the operation switching of the plurality of mechanical keys according to an embodiment of the present invention.
Fig. 3 is a schematic diagram showing an operation interface of a touch screen according to an embodiment of the utility model, wherein the operation interface is capable of switching a desired screen resolution and a screen update frequency in real time through operation of a user interface of the touch screen.
Fig. 4 is a schematic diagram showing an operation interface being a sliding push rod according to an embodiment of the present invention, wherein a desired screen resolution and a screen update frequency can be switched in real time by a pushing operation of the sliding push rod.
Fig. 5 is a schematic diagram illustrating an embodiment of switching from a first computer screen to a second computer screen or from the second computer screen to the first computer screen on a display device according to the utility model.
Detailed Description
The following description is provided for the embodiments of the KVM switch with the extensible capability identification information disclosed herein, and those skilled in the art can understand the advantages and effects of the present invention from the disclosure of the present specification. The utility model is capable of other and different embodiments and its several details are capable of modifications and various changes in detail, all without departing from the spirit and scope of the present invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art and ordinary skill in the art to obtain other drawings based on these drawings without undue effort.
The utility model discloses a multicomputer switching device with identification information of extension capability, which can be connected with only one group of peripheral devices of a computer, such as a keyboard, a mouse and display equipment, so as to control the switching of the display screens of more than two computers on one display equipment.
The KVM switch of the present invention can also be connected to non-traditional computer peripherals, i.e. to other computer devices or to portable intelligent devices via wired or wireless connection to control the switching of the display screens of multiple computers on a display device.
The kvm switch may even have a push switch, a push rod, a button, or any other type of control switch disposed thereon, and when a user presses the button or pushes a movable push rod, etc., the control mechanism for adjusting the screen resolution is controlled, so as to drive an Extended Display Identification Data (EDID) module to start the corresponding screen resolution or/and screen update frequency.
Therefore, the switching of the display screens of more than two computers on the same display equipment is achieved by matching the extension capability identification information set by the multicomputer switching device or by capturing the extension capability identification information of the built-in specification of the display equipment, and the resolution data corresponding to the required screen can be used at any time.
Referring to fig. 1, fig. 1 is a block diagram illustrating an architecture of a kvm switch connected to a keyboard, a mouse, a first computer, a second computer and a display device according to an embodiment of the utility model. The utility model provides a multicomputer switching device 1 with extensible capability identification information, which is electrically connected with a keyboard 100, a mouse 200, a first computer 300, a second computer 400 and a display device 500. The KVM switch 1 includes but is not limited to: a processing circuit 10, an operation interface 12, a port circuit 13, and a video port 14 for connecting the KVM switch 1 to the display device 500.
The KVM switch 1 may further comprise a Memory circuit 11, and the Memory circuit 11 may be a Memory (Memory).
The memory circuit 11 is electrically connected to the processing circuit 10, the memory circuit 11 can store a plurality of sets of data of default extended capability identification information (EDID), and the plurality of sets of default extended capability identification information (EDID) stored in the memory circuit 11 can include screen resolution and frame update frequency information of an unspecified display.
In an embodiment, the processing circuit 10 may also include an image processing program for switching the plurality of image frames in sequence and time, or the processing circuit 10 may record the image of the image processing process and record the image displayed on the display device 500 at the same time.
In one embodiment, the memory circuit 11 may be a read only memory or a programmable read only memory. In this embodiment, the processing circuit 10 cooperates with the memory circuit 11 to capture image display data and process images.
The operation interface 12 is electrically connected to the processing circuit 10, the operation interface 12 provides a user operation, and after the user operation, the user operation inputs an image adjusting signal to the processing circuit 10, where the image adjusting signal at least includes image processing information of a screen resolution and/or a screen update frequency.
The port circuit 13 is electrically connected to the processing circuit 10, the port circuit 13 includes a first port unit 131 and a second port unit 132, the processing circuit 10 is electrically connected to the first computer 300 through the first port unit 131, and the processing circuit 10 is electrically connected to the second computer 400 through the second port unit 132.
In one embodiment, the port may be in the form of a signal line for transmitting Video signals conforming to a Video Graphics Array connector (Video Graphics Array connector), a signal line for a Digital Video Interface (Digital Video Interface), or a signal line port for a High Definition Multimedia Interface (High Definition Multimedia Interface), or a port for other Video display formats (e.g., DisplayPort or any other format).
When the processing circuit 10 receives the image adjustment signal through the operation of the operation interface 12, the processing circuit 10 selects a set of default scalability identification information from the kvm switch apparatus 1 according to the image adjustment signal and outputs the selected default scalability identification information to the first computer 300 or the second computer 400 for interpretation, so that the first computer 300 or the second computer 400 adjusts the first image signal or the second image signal output to the display device 500 according to the specific screen resolution and the screen update frequency of the selected default scalability identification information, and the kvm switch apparatus 1 switches the first image signal of the first computer 300 or the second image signal of the second computer 400 to the display device 500 for display.
Referring to fig. 2, fig. 3 and fig. 4, fig. 2 is a schematic diagram illustrating that the operation interface is configured with a plurality of mechanical keys, and the desired screen resolution and the screen update frequency can be switched in real time by switching the operation of the plurality of mechanical keys according to an embodiment of the present invention. Fig. 3 is a schematic diagram showing an operation interface of a touch screen according to an embodiment of the utility model, wherein the operation interface is capable of switching a desired screen resolution and a screen update frequency in real time through operation of a user interface of the touch screen. Fig. 4 is a schematic diagram showing an operation interface being a sliding push rod according to an embodiment of the present invention, wherein a desired screen resolution and a screen update frequency can be switched in real time by a pushing operation of the sliding push rod.
In one embodiment, the operation interface 12 may be formed by a plurality of mechanical keys 121 (as shown in fig. 2). The operation interface 12 may also be a touch screen 12a (see fig. 3), and the touch screen 12a is provided with a plurality of user interface control buttons 122, and may also be a push-type mechanical button type when the plurality of mechanical buttons 121 are provided. The operation interface 12 may also be configured as a sliding push rod 123 (as shown in fig. 4), and the setting specification of the screen resolution to be displayed on the display device 500 is determined by the manually moved position of the sliding push rod 123.
The operation interface 12 may also include a plurality of shortcut keys (not shown) to allow the kvm switch apparatus 1 to operate on the operation interface 12, so that a user can operate the kvm switch apparatus to switch the image display signals of the first computer or the second computer, and display images to the display device 500 in turn.
Therefore, the operation interface 12 is configured as a mechanical key 121, a user interface control button 122, and a sliding push rod 123 or other shortcut keys, so as to trigger the screen display request of the first image signal or the second image signal outputted to the display device 500 in real time, and provide the first trigger signal or the second trigger signal to the processing circuit 10.
The real-time operation of the operation interface 12 is used to directly control and output the first image signal or the second image signal with the current specific screen resolution and screen update frequency, so that the processing circuit 10 can select one of the default extended capability identification information sets provided by the KVM switch 1 and output the selected default extended capability identification information set to the first computer 300 or the second computer 400 for interpretation, the image data setting read by the first computer 300 or the second computer 400 can be directly output to the display device 500 for display by directly operating the mechanical key 121, the user interface control button 122, the sliding push rod 123 or other shortcut keys of the operation interface 12 in real time, so as to switch the image of the first computer 300 or the second computer 400 in real time and display the image with a specific screen resolution and screen update frequency on the display device 500.
Similarly, the real-time operation characteristics of the operation interface 12 are used to directly control and output the first image signal or the second image signal with the current specific screen resolution and screen update frequency, the processing circuit 10 can also read the image data setting that is output to the first computer 300 or the second computer 400 and read by one of the multiple sets of default extensibility identification information provided by the kvm switch 1 and that matches the multiple sets of default extensibility identification information of the display device 500, and the image data setting read by the first computer 300 or the second computer 400 can be directly output to the display device 500 for display by the real-time mechanical key 121, the user interface control button 122, the sliding push rod 123 or other shortcut keys of the operation interface 12.
The operation interface 12 may even be a user operation interface for operating and switching the image frame through menu setting on the touch screen 12a, and the shortcut key may be set to be a shortcut key of a touch screen operation menu setting type besides a mechanical type.
Therefore, in an embodiment, please continue to refer to fig. 5, in which fig. 5 is a schematic diagram illustrating an embodiment of the present invention for switching from a first computer screen to a second computer screen or from the second computer screen to the first computer screen on a display device.
When the computer screen of the display device 500 is to be switched, the first computer screen 301 or the second computer screen 401 is correspondingly displayed on the display device 500 through the operation of the operation interface 12 and the output according to the first image signal or the second image signal. In the illustration of fig. 5, the screen resolutions and screen update frequencies of the first computer screen 301 and the second computer screen 401 may be the same or different, i.e. at least the screen resolutions displayed by the first computer screen 301 and the second computer screen 401 may be different.
Therefore, the two screens can be switched on the same screen of the display device 500 by operating the same set of the mouse 200 or the keyboard 100, or the screen of one of the first computer 300 and the second computer 400 can be directly controlled by directly moving the mouse 200 after the screen switching, or when not only two computers of the first computer 300 and the second computer 400 are provided, a plurality of computer screens or more can be switched, but at least two screens between the first computer screen 301 and the second computer screen 401 can be switched.
With continued reference to fig. 1-5. When the computer screen of the display device 500 is to be switched, the kvm switch apparatus 1 can switch the first image signal and the second image signal to each other and output the switched first image signal and the switched second image signal to the display device 500 according to the operation of the mechanical key 121, the ui control button 122 of the touch screen 12a, or the shortcut key arranged on the operation interface 12, and the display device 500 correspondingly displays the first computer screen 301 to the second computer screen 401 or the second computer screen 401 to the image screen of the first computer screen 301, that is, only one of the first computer 300 and the second computer 400 is displayed on one display device 500.
When the processing circuit 10 receives the image adjusting signal through the operation interface 12, the processing circuit 10 outputs one of the sets of default extended capability identification information provided in the kvm switch 1, or selects one set of extended capability identification information conforming to the display device 500 from the kvm switch 1 to the first computer 300 or the second computer 400 for interpretation, so that the first computer 300 or the second computer 400 can adjust the first image signal or the second image signal output to the display device 500 according to the default or conforming to the screen resolution and the screen update frequency of the display device 500.
That is: when the processing circuit 10 receives the image adjusting signal through the operation interface 12, the processing circuit 10 reads one of the sets of the extended capability identification information in the kvm switch 1, or selects one of the sets of the extended capability identification information corresponding to the display device 500 from the kvm switch 1 and outputs the selected set to the first computer 300 or the second computer 400 for interpretation, so that the first computer 300 or the second computer 400 can adjust the first image signal or the second image signal output to the display device 500 according to the default or the screen resolution and the screen update frequency corresponding to the display device 500.
Therefore, as long as the image data of the screen resolution and the screen update frequency of the extension capability identification information in the kvm switch 1 or the extension capability identification information corresponding to the connected display device 500 is read, the kvm switch 1 can automatically switch the display frames to be displayed on the display device 500, i.e. the first computer frame 301 and the second computer frame 401 of the first computer 300 and the second computer 400, so as to restore the image frames of the first computer 300 or the second computer 400 to the image frames with the appropriate screen resolution and update frequency or adjust the image frames with the desired screen resolution and update frequency.
According to the foregoing, the screen resolution is one of high definition (1280 × 720), full high definition (1920 × 1080), quarter full high definition (2560 × 1440), 4K resolution (3840 × 2160), 5K resolution (5120 × 2880), and 8K resolution (7680 × 4320).
According to the foregoing, the screen update frequency is one of 30 hz, 50 hz, 56 hz, 60 hz, 72 hz and 75 hz.
[ possible technical effects of the utility model ]
The utility model has the possible technical effect that the peripheral operation device of a group of mouse and keyboard can directly control the display picture on the same display device, namely, more than two computer display pictures can be directly controlled to be displayed and switched on the same display device.
And secondly, selecting and using the extended ability identification information (EDID) and inputting the selected and used extended ability identification information into a computer for interpretation, and then switching and outputting the corresponding display frame specification to the display equipment according to the screen resolution and the screen updating frequency of the extended ability identification information interpreted by the computer.
And through the extended ability identification information (EDID), actively judging the screen resolution and the screen updating frequency of the connected display equipment, and setting and restoring the proper screen resolution and screen updating frequency according to the specification of the display equipment, so that the picture display specification corresponding to the display equipment can be switched and output to the display equipment according to the extended ability identification information judged by the computer.
It is finally noted that while in the foregoing specification, the present inventive concept has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the present inventive concept as defined by the following claims.
Claims (10)
1. A KVM switch with extensible capability ID electrically connecting a keyboard, a mouse, a first computer, a second computer and a display device, comprising:
a processing circuit;
the operation interface is electrically connected with the processing circuit and is used for operating to input an image adjusting signal; and
the port circuit is electrically connected with the processing circuit and comprises a first port unit and a second port unit, the processing circuit is electrically connected with the first computer through the first port unit, and the processing circuit is electrically connected with the second computer through the second port unit;
when the multicomputer switching device switches a first image signal of the first computer to be displayed on the display equipment, after the processing circuit receives the image adjusting signal through the operation interface, the processing circuit outputs one of the multiple sets of default extending capability identification information provided in the multicomputer switching device to the first computer for interpretation so as to enable the first computer to adjust the first image signal output to the display equipment;
when the multicomputer switching device switches a second image signal of the second computer to the display device for displaying, and after the processing circuit receives the image adjusting signal through the operation interface, the processing circuit outputs one of the multiple sets of default extending capability identification information provided in the multicomputer switching device to the second computer for interpretation so that the second computer can adjust the second image signal output to the display device.
2. The KVM switch of claim 1 wherein the video adjustment signal is a screen resolution or a screen update frequency.
3. The multicomputer switch of claim 2 wherein the screen resolution is one of high definition, full high definition, quarter full high definition, 4K resolution, 5K resolution and 8K resolution.
4. The KVM switch of claim 2 wherein the screen update frequency is one of 30 Hz, 50 Hz, 56 Hz, 60 Hz, 72 Hz and 75 Hz.
5. The KVM switch of claim 1 wherein the operation interface is a plurality of mechanical buttons or a touch screen.
6. The KVM switch as claimed in claim 1, wherein the operation interface comprises a plurality of shortcut keys, and each shortcut key is used for triggering an on-screen display request corresponding to the first video signal or the second video signal outputted to the display device to provide the first trigger signal or the second trigger signal to the processing circuit.
7. A KVM switch with extensible capability ID electrically connecting a keyboard, a mouse, a first computer, a second computer and a display device, comprising:
a processing circuit;
the operation interface is electrically connected with the processing circuit and is used for operating to input an image adjusting signal; and
the port circuit is electrically connected with the processing circuit and comprises a first port unit and a second port unit, the processing circuit is electrically connected with the first computer through the first port unit, and the processing circuit is electrically connected with the second computer through the second port unit;
when the multicomputer switching device switches a first image signal of the first computer to be displayed on the display equipment, after the processing circuit receives the image adjusting signal through the operation interface, the processing circuit reads multiple groups of default extension capability identification information provided by the multicomputer switching device and outputs one group of multiple groups of default extension capability identification information which accords with the display equipment to the first computer for interpretation so that the first computer adjusts the first image signal output to the display equipment;
when the multicomputer switching device switches a second image signal of the second computer to the display device for displaying, and after the processing circuit receives the image adjusting signal through the operation interface, the processing circuit reads multiple sets of default extension capability identification information provided by the multicomputer switching device and outputs one set of multiple sets of default extension capability identification information which accords with the display device to the second computer for interpretation so that the second computer can adjust the second image signal output to the display device.
8. The KVM switch of claim 7 wherein the video adjustment signal is a screen resolution or a screen update frequency.
9. The multicomputer switch of claim 8 wherein the screen resolution is one of high definition, full high definition, quarter full high definition, 4K resolution, 5K resolution and 8K resolution.
10. The KVM switch of claim 8 wherein the screen update frequency is one of 30 Hz, 50 Hz, 56 Hz, 60 Hz, 72 Hz and 75 Hz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121866989.6U CN216412137U (en) | 2021-08-11 | 2021-08-11 | Multicomputer switching device with extended capability identification information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121866989.6U CN216412137U (en) | 2021-08-11 | 2021-08-11 | Multicomputer switching device with extended capability identification information |
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| CN216412137U true CN216412137U (en) | 2022-04-29 |
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| CN202121866989.6U Active CN216412137U (en) | 2021-08-11 | 2021-08-11 | Multicomputer switching device with extended capability identification information |
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