CN109308123A - Adaptive KVM synchronizes divider - Google Patents
Adaptive KVM synchronizes divider Download PDFInfo
- Publication number
- CN109308123A CN109308123A CN201710617216.6A CN201710617216A CN109308123A CN 109308123 A CN109308123 A CN 109308123A CN 201710617216 A CN201710617216 A CN 201710617216A CN 109308123 A CN109308123 A CN 109308123A
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- video
- interface
- usb
- cpu module
- host computer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of synchronous dividers of adaptive KVM, including video signal processing unit, video format processor, video encoder, MCU controller, CPU module and USB port module.Video format processor is connect with video signal processing unit, video encoder and MCU controller respectively, video signal processing unit is connected with video signal input interface, video encoder is equipped with video signal output interface, and video signal output interface is connected with display.The synchronous divider of KVM of the invention is capable of the video pictures dividing processing of multiple and different input video sources and is shown on same display, each picture corresponds to corresponding host computer, and multiple computers can need to only be carried out while be operated or individually operated with one group of keyboard and mouse, achieve the purpose that the segmentation of multiple computers picture and kvm synchronism switching.
Description
Technical field
The present invention relates to KVM switcher technical field, especially a kind of adaptive KVM synchronizes divider.
Background technique
KVM is the english abbreviation of keyboard (Keyboard), video display (Video), mouse (Mouse), that is, allows to use
Family covers keyboard, display and mouse between the multiple host of multiple and different operating systems by a set of or number connected on KVM
Switching, realize user using a set of keyboard, display and mouse go to access and control 2,4,8,16 even to 4096
Main frame more than platform, switching mode can be operated by keyboard button, hot-key (hot key) and on-screen menu.
If user needs the handover operation between different computers, need respectively in different computers external access of mouse and keyboard
Operation can be completed, user is caused to make troubles when operating multiple computers and low efficiency.And mouse and keyboard are in multiple computers
Between switch, cannot synchronize realization operation.
Summary of the invention
The object of the present invention is to provide the videos that one kind can show multiple and different input video sources on same display
Picture, and synchronous with the adaptive KVM of synchronously control multiple host point of control can be individually switched by one group of USB mouse keyboard
Cutter.
The object of the present invention is achieved like this: a kind of adaptive KVM synchronization divider, including video frequency signal processing list
Member, video format processor, video encoder, MCU controller, CPU module and USB port module；The video format processing
Device is connect with video signal processing unit, video encoder and MCU controller respectively, and video signal processing unit is connected with video
Signal input interface, the video encoder are equipped with video signal output interface, and the video signal output interface is connected with
Display；USB keyboard mouse is connected in the CPU module, the CPU module is connect with MCU controller, the USB port
Module is connect with CPU module, and USB port module is equipped with usb signal input interface；The usb signal input interface and video
Signal input interface connects multiple computers host, and video signal input interface accesses corresponding host computer vision signal, video
Signal carries out picture dividing processing through video signal processing unit, video format processor and Video coding and is shown by display
It shows and, multiple pictures can be shown on display, each picture corresponds to corresponding host computer, and each picture can lead to
The USB keyboard mouse connected in the CPU module is crossed to be controlled.
In above structure, the CPU module has the function of to exchange and handle USB keyboard mouse data, USB port module tool
There is the function that USB keyboard mouse data is exchanged with host computer；Usb signal input interface accesses corresponding host computer, computer
Host completes initialization enumeration process to USB keyboard mouse by CPU module and USB port module, enumerates rear host computer energy
Enough identify USB keyboard mouse.
In above structure, the USB port module is built-in with USB HID standard descriptor.
In above structure, the video signal output interface includes that VGA video interface, HDMI video interface, DVI video connect
Mouth, SDI video interface, DP video interface, one of Type C video interface and AV video interface or a variety of.
In above structure, the video signal input interface includes that VGA video interface, HDMI video interface, DVI video connect
One of mouth, SDI video interface, DP video interface Type C video interface and AV video interface are a variety of.
In above structure, the CPU module for cooperating with MCU controller and realizing picture synchronization function is equipped in the CPU module
Management software, the CPU module management software include USB port module software, CPU module software and MCU control software.
Compared with the prior art, the invention has the advantages that: the synchronous divider of KVM of the invention multiple and different can regard
The video pictures dividing processing of frequency input source is simultaneously shown on same display, and each picture corresponds to corresponding host computer, and
And multiple computers can need to only be carried out while be operated or individually operated with one group of keyboard and mouse, reach multiple computers picture point
Cut the purpose with kvm synchronism switching.
Detailed description of the invention
The invention will now be described in further detail with reference to the accompanying drawings
Fig. 1 is the overall structure diagram of the synchronous divider of the adaptive KVM of the present invention.
In figure: video signal processing unit 1, video format processor 2, video encoder 3, MCU controller 4, CPU module
5, USB port module 6, video signal input interface 7, usb signal input interface 8, display 9, USB keyboard mouse 10, computer master
Machine 11.
Specific embodiment
As shown in Figure 1, a kind of synchronous divider of adaptive KVM of the present invention, including video signal processing unit 1, video lattice
Formula processor 2, video encoder 3, MCU controller 4, CPU module 5 and USB port module 6.Video format processor 2 respectively with
Video signal processing unit 1, video encoder 3 and MCU controller 4 connect, and video signal processing unit 1 is connected with vision signal
Input interface 7, video encoder 3 are equipped with video signal output interface, and video signal output interface is connected with display 9.CPU
USB keyboard mouse 10 is connected in module 5, CPU module 1 is connect with MCU controller 4, and USB port module 6 and CPU module 5 connect
It connects, USB port module 6 is equipped with usb signal input interface 8.Usb signal input interface 8 and video signal input interface 7 connect
Multiple computers host.When video signal input interface 7 accesses corresponding 11 vision signal of host computer, vision signal is through video
Signal processing unit 1, video format processor 2 and Video coding 3 carry out picture dividing processing and are shown by display 9
Come, multiple pictures can be shown on display 9, each picture corresponds to corresponding host computer 11, and each picture can lead to
The USB keyboard mouse 10 connected in CPU module 5 is crossed to be controlled.
Preferably, CPU module 5 have exchange and processing 10 data function of USB keyboard mouse, USB port module 6 have with
The function of exchange 10 data of USB keyboard mouse of host computer 11；Usb signal input interface 8 is linked into corresponding host computer 11,
Host computer 11 smoothly completes initialization enumeration process to USB keyboard mouse 10 by CPU module 5 and USB port module 6, piece
Host computer 11 can the automatic identification USB keyboard mouse 10 after act.Specifically, host computer 11 accesses usb signal input interface
8, host computer 11 enumerates USB keyboard mouse 10, and CPU module 5 is read and management key mouse device data, by key mouse equipment
Data are sent to USB port module 6, and USB port module 6 receives key mouse device data and according to built in USB port module 6
USB HID standard descriptor replys reception or configuration data to host computer 11 again, and host computer 11 passes through CPU module 5 and USB
Port module 6 completes the initialization enumeration process of 10 equipment of USB keyboard mouse, and enumerating rear pc host computer 11 can automatic identification
USB keyboard mouse 10.And after USB keyboard mouse 10 completes initialization, once USB keyboard mouse has any operation, USB keyboard
Mouse data can all be sent to MCU controller 4 by cup module.Wherein, the USB keyboard mouse data of the part includes mouse
Key-press status, coordinate position and idler wheel roll value etc., MCU controller 4 is analyzed and processed USB keyboard mouse data, makes
The coordinate of USB keyboard mouse can be shown on the display 9, realize the synchronization of USB keyboard mouse 10.
Preferably, USB port module 6 is built-in with USB HID standard descriptor.
Preferably, video signal output interface includes VGA video interface, HDMI video interface, DVI video interface, SDI view
One of frequency interface, DP video interface and AV video interface are a variety of.
Preferably, video signal input interface 7 includes VGA video interface, HDMI video interface, DVI video interface, SDI
One of video interface, DP video interface and AV video interface are a variety of.
Preferably, it is soft that the CPU module management for cooperating with MCU controller 4 and realizing picture synchronization function is equipped in CPU module 5
Part, the CPU module management software include USB port module software, CPU module software and MCU control software.
The synchronous divider of KVM of the invention is capable of the video pictures dividing processing of multiple and different input video sources and is shown in
On same display, each picture corresponds to corresponding host computer, and only need to can be to multiple computers with one group of keyboard and mouse
Progress while operation or individually operated have achieved the purpose that the segmentation of multiple computers picture and kvm synchronism switching.
The foregoing is merely this patent preferred embodiments, not limit this patent range, all using specification and attached
Equivalent structure or equivalent flow shift made by figure content is directly or indirectly used in other relevant technical fields, belongs to
The scope of this patent.
Claims (6)
1. a kind of synchronous divider of adaptive KVM, it is characterised in that: including video signal processing unit, video format processor,
Video encoder, MCU controller, CPU module and USB port module；The video format processor is respectively and at vision signal
Unit, video encoder and the connection of MCU controller are managed, video signal processing unit is connected with video signal input interface, described
Video encoder is equipped with video signal output interface, and the video signal output interface is connected with display；The CPU module
On be connected with USB keyboard mouse, the CPU module is connect with MCU controller, and the USB port module is connect with CPU module,
USB port module is equipped with usb signal input interface；The usb signal input interface connects more with video signal input interface
Platform host computer, video signal input interface access corresponding host computer vision signal, and vision signal is through video frequency signal processing
Unit, video format processor and Video coding carry out picture dividing processing and are shown by display, energy on display
Enough show multiple pictures, each picture corresponds to corresponding host computer, and each picture can be by connecting in the CPU module
The USB keyboard mouse connect is controlled.
2. a kind of adaptive KVM according to claim 1 synchronizes divider, it is characterised in that: the CPU module, which has, to be handed over
USB keyboard mouse data function is changed and handles, USB port module has the function that USB keyboard mouse data is exchanged with host computer
Energy；Usb signal input interface accesses corresponding host computer, and host computer is by CPU module and USB port module to USB key
Disk mouse completes initialization enumeration process, and USB keyboard mouse can be identified by enumerating rear host computer.
3. a kind of adaptive KVM according to claim 1 synchronizes divider, it is characterised in that: in the USB port module
It is equipped with USB HID standard descriptor.
4. a kind of adaptive KVM according to claim 1 synchronizes divider, it is characterised in that: the vision signal output
Interface includes VGA video interface, HDMI video interface, DVI video interface, SDI video interface, DP video interface, Type C view
One of frequency interface and AV video interface are a variety of.
5. a kind of adaptive KVM according to claim 1 synchronizes divider, it is characterised in that: the vision signal input
Interface includes VGA video interface, HDMI video interface, DVI video interface, SDI video interface, DP video interface, Type C view
One of frequency interface and AV video interface are a variety of.
6. a kind of adaptive KVM according to claim 1 synchronizes divider, it is characterised in that: be equipped in the CPU module
Cooperate the CPU module management software for realizing picture synchronization function with MCU controller, the CPU module management software includes the end USB
Mouth module software, CPU module software and MCU control software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710617216.6A CN109308123A (en) | 2017-07-26 | 2017-07-26 | Adaptive KVM synchronizes divider |
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| CN201710617216.6A CN109308123A (en) | 2017-07-26 | 2017-07-26 | Adaptive KVM synchronizes divider |
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| CN109308123A true CN109308123A (en) | 2019-02-05 |
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| CN201710617216.6A Pending CN109308123A (en) | 2017-07-26 | 2017-07-26 | Adaptive KVM synchronizes divider |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007888A (en) * | 2019-04-16 | 2019-07-12 | 深圳市湘凡科技有限公司 | A kind of single screen shared control system and shared device |
| CN111158501A (en) * | 2019-12-18 | 2020-05-15 | 武汉兴图新科电子股份有限公司 | Video monitoring system based on KVM |
| CN111163275A (en) * | 2019-12-19 | 2020-05-15 | 武汉兴图新科电子股份有限公司 | System supporting KVM and multi-channel pre-monitoring |
| CN111372011A (en) * | 2020-04-13 | 2020-07-03 | 杭州友勤信息技术有限公司 | KVM high definition video decollator |
| CN113014867A (en) * | 2021-02-08 | 2021-06-22 | 上海核工程研究设计院有限公司 | Method for configuring pixel-level video |
| CN117742550A (en) * | 2023-12-20 | 2024-03-22 | 广东视腾电子科技有限公司 | KVM switch based on video preview and control method thereof |
| CN117749962A (en) * | 2023-11-29 | 2024-03-22 | 广东视腾电子科技有限公司 | KVM switch with mobile APP control and video preview for multiple computers |
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| CN110007888A (en) * | 2019-04-16 | 2019-07-12 | 深圳市湘凡科技有限公司 | A kind of single screen shared control system and shared device |
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| CN113014867A (en) * | 2021-02-08 | 2021-06-22 | 上海核工程研究设计院有限公司 | Method for configuring pixel-level video |
| CN113014867B (en) * | 2021-02-08 | 2024-03-26 | 上海核工程研究设计院股份有限公司 | Pixel-level video configuration method |
| CN117749962A (en) * | 2023-11-29 | 2024-03-22 | 广东视腾电子科技有限公司 | KVM switch with mobile APP control and video preview for multiple computers |
| CN117749962B (en) * | 2023-11-29 | 2024-05-17 | 广东视腾电子科技有限公司 | KVM switch with mobile APP control and video preview for multiple computers |
| CN117742550A (en) * | 2023-12-20 | 2024-03-22 | 广东视腾电子科技有限公司 | KVM switch based on video preview and control method thereof |
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Effective date of registration: 20200428 Address after: 518000 A building, 4 floor, two district, Heping Industrial Zone, Heping District, Heping Road, Longhua, Guangdong, Shenzhen, Baoan District Applicant after: SHENZHEN CKL TECHNOLOGY Co.,Ltd. Address before: 518000, 1420, Jin Wen Ge mansion, Shenzhen, Guangdong, Futian District Applicant before: Liu Qingjun |
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Application publication date: 20190205 |