CN111949143A - Double-screen notebook computer supporting local KVM function - Google Patents
Double-screen notebook computer supporting local KVM function Download PDFInfo
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- CN111949143A CN111949143A CN202010846982.1A CN202010846982A CN111949143A CN 111949143 A CN111949143 A CN 111949143A CN 202010846982 A CN202010846982 A CN 202010846982A CN 111949143 A CN111949143 A CN 111949143A
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- screen
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- mouse
- notebook computer
- kvm
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 17
- 230000009977 dual effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 241000699666 Mus <mouse, genus> Species 0.000 description 48
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
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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
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1647—Details related to the display arrangement, including those related to the mounting of the display in the housing including at least an additional display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- 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
- G06F3/0383—Signal control means within the pointing device
-
- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Abstract
The invention particularly relates to a double-screen notebook computer supporting a local KVM function. The double-screen notebook computer supporting the local KVM function comprises a main screen liquid crystal screen and an auxiliary screen liquid crystal screen, wherein a mainboard is externally connected with a video interface of a PC, and a keyboard and mouse interface, and the keyboard, the mouse and the auxiliary screen liquid crystal screen of the double-screen notebook computer are switched to control and display the PC through KVM. This support double screen notebook computer of local KVM function, equipment deploys more conveniently, not only can realize main, vice screen double screen display function, still can connect the video and the keyboard and mouse signal of PC, switches through KVM and realizes keyboard, mouse and vice screen LCD of double screen notebook computer itself to controlling and showing of the PC that connects, can realize convenient, the high-efficient application in scenes such as multimachine official working, computer lab operation, has effectively improved the availability factor of double screen notebook peripheral hardware.
Description
Technical Field
The invention relates to the technical field of computer equipment, in particular to a double-screen notebook computer supporting a local KVM function.
Background
With the continuous improvement of the application level of computers, the multifunctional trend of single computer terminal equipment is more and more obvious, such as double-screen display, three-screen display and the like of notebook computers.
However, in practical applications, the application frequencies of the dual display screens are not completely consistent. When the secondary screen in the dual display screen has no use requirement, how to reasonably utilize the resources of the primary screen and the secondary screen becomes a problem to be solved urgently.
Based on the above situation, the present invention provides a dual-screen notebook computer supporting local KVM function.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a simple and efficient double-screen notebook computer supporting the local KVM function.
The invention is realized by the following technical scheme:
a double-screen notebook computer supporting local KVM function is characterized in that: the keyboard, the mouse and the auxiliary screen liquid crystal screen of the double-screen notebook computer are switched to control and display the PC through KVM.
The video signal of the PC is accessed through the HDMI signal, the keyboard and mouse signal of the PC is accessed through the USB signal, and the KVM function of the auxiliary screen of the notebook is realized through the switching of the operation panel.
The keyboard, the mouse and the auxiliary screen liquid crystal screen of the double-screen notebook computer are used for controlling and displaying the double-screen notebook computer and an external PC (personal computer) in a time-sharing manner.
The main board of the double-screen notebook computer supporting the local KVM function comprises a notebook system circuit module, a KVM signal circuit module, a keyboard and mouse switching circuit module, a video switching circuit module, a keyboard and mouse control circuit module and a video control circuit module.
The KBC (Keyboard Controller) function of an EC module (power management chip) in a notebook computer is independent and transplanted into an MCU (Microcontroller Unit) chip of the Keyboard and mouse control circuit, and a Keyboard array scanning signal and a touch mouse signal are output to a host system by using the Keyboard and mouse control circuit.
The keyboard and mouse control circuit converts scanning key values of the keyboard array into USB signals, PS2 signals of the touch mouse are also converted into USB signals, and the signals are sent to the host system through the USB interface.
The keyboard array and the touch mouse equipment of the double-screen notebook computer are connected to the keyboard and mouse control circuit module, the keyboard and mouse control circuit module converts keyboard array and touch mouse signals into USB keyboard and mouse signals, and the USB keyboard and mouse signals are sent to a notebook computer system or a USB interface of an external PC through the keyboard and mouse switching module circuit in a time-sharing mode, so that the KVM function of the keyboard and mouse signals is realized;
the circuit module of the notebook system directly outputs one path of eDP signals to the main screen of the notebook computer, HDMI Video signals output by the circuit module of the notebook system and the KVM (Keyboard Video Mouse, namely Keyboard, Video and Mouse) signal circuit module are output to the Video control circuit module after being subjected to time-sharing switching by the Video switching circuit module, the HDMI signals are converted into eDP signals by the Video control circuit module and are sent to the liquid crystal screen of the auxiliary screen, and KVM switching output of the Video signals is achieved.
The invention has the beneficial effects that: this support double screen notebook computer of local KVM function, equipment deploys more conveniently, not only can realize main, vice screen double screen display function, still can connect the video and the keyboard and mouse signal of PC, switches through KVM and realizes keyboard, mouse and vice screen LCD of double screen notebook computer itself to controlling and showing of the PC that connects, can realize convenient, the high-efficient application in scenes such as multimachine official working, computer lab operation, has effectively improved the availability factor of double screen notebook peripheral hardware.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a motherboard structure of a dual-screen notebook computer supporting local KVM function according to the present invention.
FIG. 2 is a schematic circuit diagram of a keyboard and mouse control module in a motherboard of a dual-screen notebook device supporting a local KVM function according to the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the embodiment of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Considering that the application frequency of the double-screen is not completely consistent, if the auxiliary screen is not used, the use efficiency of the double-screen notebook computer can be greatly improved by using the auxiliary screen as the display of the external computer.
The double-screen notebook computer supporting the local KVM function comprises a main screen liquid crystal screen and an auxiliary screen liquid crystal screen, wherein a mainboard is externally connected with a video interface of a PC, and a keyboard and a mouse interface are switched through KVM to realize the control and display of the keyboard, the mouse and the auxiliary screen liquid crystal screen of the double-screen notebook computer on the PC, namely the double-screen notebook computer is used as a KVM all-in-one machine at the same time.
The KVM all-in-one machine is a typical KVM function device similar to the notebook structure, and the KVM function device plays an increasingly greater role as a combined peripheral device for input and output of a computer under the condition of limited deployment space.
The video signal of the PC is accessed through the HDMI signal, the keyboard and mouse signal of the PC is accessed through the USB signal, and the KVM function of the auxiliary screen of the notebook is realized through the switching of the operation panel.
The keyboard, the mouse and the auxiliary screen liquid crystal screen of the double-screen notebook computer are used for controlling and displaying the double-screen notebook computer and an external PC (personal computer) in a time-sharing manner.
The main board of the double-screen notebook computer supporting the local KVM function comprises a notebook system circuit module, a KVM signal circuit module, a keyboard and mouse switching circuit module, a video switching circuit module, a keyboard and mouse control circuit module and a video control circuit module.
The KBC (Keyboard Controller) function of an EC module (power management chip) in a notebook computer is independent and transplanted into an MCU (Microcontroller Unit) chip of the Keyboard and mouse control circuit, and a Keyboard array scanning signal and a touch mouse signal are output to a host system by using the Keyboard and mouse control circuit.
The keyboard and mouse control circuit converts scanning key values of the keyboard array into USB signals, PS2 signals of the touch mouse are also converted into USB signals, and the signals are sent to the host system through the USB interface.
The keyboard array and the touch mouse equipment of the double-screen notebook computer are connected to the keyboard and mouse control circuit module, the keyboard and mouse control circuit module converts keyboard array and touch mouse signals into USB keyboard and mouse signals, and the USB keyboard and mouse signals are sent to a notebook computer system or a USB interface of an external PC through the keyboard and mouse switching module circuit in a time-sharing mode, so that the KVM function of the keyboard and mouse signals is realized;
the circuit module of the notebook system directly outputs one path of eDP signals to the main screen of the notebook computer, HDMI Video signals output by the circuit module of the notebook system and the KVM (Keyboard Video Mouse, namely Keyboard, Video and Mouse) signal circuit module are output to the Video control circuit module after being subjected to time-sharing switching by the Video switching circuit module, the HDMI signals are converted into eDP signals by the Video control circuit module and are sent to the liquid crystal screen of the auxiliary screen, and KVM switching output of the Video signals is achieved.
The double-screen notebook computer supporting the local KVM function is convenient in equipment deployment and can realize the main-screen and auxiliary-screen double-screen display functions; the keyboard, the mouse and the auxiliary screen liquid crystal screen of the double-screen notebook computer can be switched to control and display the connected PC through KVM; the method can be conveniently and efficiently applied to various scenes such as multi-computer office, machine room operation and the like, and effectively improves the use efficiency of the dual-screen notebook peripheral.
The advantages are embodied in the following aspects:
1. space saving
For these very fast-growing industries, the space used in the past is relatively limited, and relocation can cause a service outage. In these cases, reducing the number of keyboards, mice, and displays may make a large amount of space for the newly added servers.
2. Increase efficiency
It is envisioned that efficiency will not be increased when system or network maintenance personnel shuttle through a jungle of servers, various cabinets, and find a failed machine. This inefficiency not only wastes limited human resources, but also makes the fault unable to be repaired in time, and makes the network or data center have unnecessary pause. The system can realize that all machines are logged in a console consisting of a set of keyboard, mouse and display, and the working efficiency of system or network maintenance personnel is certainly and greatly improved.
3. Enhanced management
The improvement of the working efficiency means that the network or the data center is effectively managed, thereby improving the stability and the safety of the systems.
4. Saving cost
Network operating costs, particularly those of networks and data centers that must operate continuously for 24 hours, are becoming a key factor in the success of network operators. Meanwhile, hardware and software expenses, personnel expenses and site expenses are also main components of company operation expenses.
5. Remote management
Remote maintenance and management of systems is also an important issue faced by these large systems. The management and maintenance personnel of the system cannot be on duty in the machine room for 24 hours, but machine faults can occur at any time, and the image of an enterprise is greatly damaged or serious loss is caused by long-time instability of the system due to traffic jam of information. The realization of remote management and maintenance of the system through a remote keyboard, a remote mouse and a remote display is an important means for ensuring 24-hour uninterrupted and stable operation of the system.
6. Environmental protection and energy saving
The KVM Switch can avoid using a plurality of displays, thereby reducing radiation, saving the consumption of air conditioners, energy sources and the like, and creating a healthy, environment-friendly and energy-saving working environment.
Therefore, the function that a user uses a set of keyboard, mouse and display to access and operate more than one host is realized, the space and the server peripheral product resources are saved for a plurality of enterprises, and the management capability of large-scale application is effectively improved.
A dual-screen notebook computer supporting local KVM functionality in the embodiment of the present invention is described in detail above. While the present invention has been described with reference to specific examples, which are provided to assist in understanding the core concepts of the present invention, it is intended that all other embodiments that can be obtained by those skilled in the art without departing from the spirit of the present invention shall fall within the scope of the present invention.
Claims (8)
1. A double-screen notebook computer supporting local KVM function comprises a main screen liquid crystal screen and an auxiliary screen liquid crystal screen, and is characterized in that: the mainboard is externally connected with a video interface, a keyboard and a mouse interface of the PC, and the keyboard, the mouse and the auxiliary screen liquid crystal screen of the double-screen notebook computer are switched to control and display the PC through the KVM.
2. The local KVM capability enabled dual-screen notebook computer of claim 1, wherein: the video signal of the PC is accessed through the HDMI signal, the keyboard and mouse signal of the PC is accessed through the USB signal, and the KVM function of the auxiliary screen of the notebook is realized through the switching of the operation panel.
3. The local KVM capability enabled dual-screen notebook computer of claim 1 or 2, wherein: the keyboard, the mouse and the auxiliary screen liquid crystal screen of the double-screen notebook computer are used for controlling and displaying the double-screen notebook computer and an external PC (personal computer) in a time-sharing manner.
4. The local KVM capable dual screen notebook computer of claim 3, wherein: the mainboard comprises a notebook system circuit module, a KVM signal circuit module, a keyboard and mouse switching circuit module, a video switching circuit module, a keyboard and mouse control circuit module and a video control circuit module.
5. The local KVM capable dual screen notebook computer of claim 4, wherein: and the KBC function of the EC module in the notebook computer is independent and transplanted to an MCU chip of the keyboard and mouse control circuit, and the keyboard array scanning signal and the touch mouse signal are output to a host system by using the keyboard and mouse control circuit.
6. The local KVM capable dual-screen notebook computer of claim 5, wherein: the keyboard and mouse control circuit converts scanning key values of the keyboard array into USB signals, PS2 signals of the touch mouse are also converted into USB signals, and the signals are sent to the host system through the USB interface.
7. The local KVM capable dual screen notebook computer of claim 6, wherein: the keyboard array and the touch mouse equipment of the double-screen notebook computer are connected to the keyboard and mouse control circuit module, the keyboard and mouse control circuit module converts keyboard array and touch mouse signals into USB keyboard and mouse signals, and the USB keyboard and mouse signals are sent to a notebook computer system or a USB interface of an external PC through the keyboard and mouse switching module circuit in a time-sharing mode, so that the KVM function of the keyboard and mouse signals is realized.
8. The local KVM capable dual-screen notebook computer according to claim 4 or 6, wherein: the notebook system circuit module directly outputs one path of eDP signals to the notebook main screen, HDMI video signals output by the notebook system circuit module and the KVM signal circuit module are output to the video control circuit module after being subjected to time-sharing switching through the video switching circuit module, the HDMI signals are converted into the eDP signals by the video control circuit module and are sent to the auxiliary screen liquid crystal screen, and KVM switching output of the video signals is achieved.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846982.1A CN111949143A (en) | 2020-08-21 | 2020-08-21 | Double-screen notebook computer supporting local KVM function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846982.1A CN111949143A (en) | 2020-08-21 | 2020-08-21 | Double-screen notebook computer supporting local KVM function |
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| CN111949143A true CN111949143A (en) | 2020-11-17 |
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| CN202010846982.1A Pending CN111949143A (en) | 2020-08-21 | 2020-08-21 | Double-screen notebook computer supporting local KVM function |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1564145A (en) * | 2004-03-22 | 2005-01-12 | 曹凯 | Folding computer with double screens, its keyboard mouse and use |
| CN203241885U (en) * | 2013-05-20 | 2013-10-16 | 汤中亮 | Double-screen notebook computer |
| CN104991652A (en) * | 2015-06-24 | 2015-10-21 | 山东超越数控电子有限公司 | Realization method for notebook computer supporting KVM function |
| CN107741760A (en) * | 2017-10-18 | 2018-02-27 | 上海龙旗科技股份有限公司 | Double-screen notebook and double-screen display method |
-
2020
- 2020-08-21 CN CN202010846982.1A patent/CN111949143A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1564145A (en) * | 2004-03-22 | 2005-01-12 | 曹凯 | Folding computer with double screens, its keyboard mouse and use |
| CN203241885U (en) * | 2013-05-20 | 2013-10-16 | 汤中亮 | Double-screen notebook computer |
| CN104991652A (en) * | 2015-06-24 | 2015-10-21 | 山东超越数控电子有限公司 | Realization method for notebook computer supporting KVM function |
| CN107741760A (en) * | 2017-10-18 | 2018-02-27 | 上海龙旗科技股份有限公司 | Double-screen notebook and double-screen display method |
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