CN107450875A - A kind of multi-screen display system and multi-screen display method - Google Patents
A kind of multi-screen display system and multi-screen display method Download PDFInfo
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- CN107450875A CN107450875A CN201710636824.1A CN201710636824A CN107450875A CN 107450875 A CN107450875 A CN 107450875A CN 201710636824 A CN201710636824 A CN 201710636824A CN 107450875 A CN107450875 A CN 107450875A
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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
- G06F3/14—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
Abstract
The present invention relates to operation system technology field, more particularly to a kind of multi-screen display system and multi-screen display method, wherein, this method includes：The screen figure layer that the needs obtained from window management service module are shown is pushed to interface module；The screen figure layer for needing to show includes main screen figure layer and/or auxiliary screen figure layer；The screen figure layer that the needs that screen figure layer delivery module pushes are shown is shown to main display and at least one auxiliary display screen.The present invention is only increasing a USB video card, not only realizes the function of replicating display or extension display, also add the function in the second screen display custom content.
Description
Technical field
The present invention relates to operation system technology field, more particularly to a kind of multi-screen display system and multi-screen display side
Method.
Background technology
With the development of intelligent mobile terminal, Android operation system is as an open source system, in increasing intelligence
The very popularization become in energy equipment, such as electronic equipment for consumption, vehicle electronic device, is existing market occupation rate highest
Operating system.But the existing electronic equipment using android system is not used for the interface of split screen display available, can not meet multi-screen
The demand of business.
Most of Android device for needing multiple screen display different contents at present, use and use 2 android
Equipment is positioned over the method in same casing, and 2 equipment do not show 2 screens to this method essence yet；Also small part adopts
With USB video card Android devices, but the content that Android is shown can only be replicated, split screen extension display can not be entered.
The method being positioned over using 2 android equipment in a casing, it is not 2 equipment yet to be primarily due to essence, 2
Individual content on screen is inconvenient to link, and duplication, the extension of such as screen, secondly the cost of this mode is higher；Part uses USB
Video card Android device, but the content that Android is shown can only be replicated, split screen extension display can not be entered.
The content of the invention
The embodiment of the present invention provides a kind of multi-screen display system and multi-screen display method, realizes Android device
Multihead display.
On the one hand, the embodiments of the invention provide a kind of multi-screen display system, including：
Screen figure layer delivery module, for the screen figure layer push for showing the needs obtained from window management service module
To interface module；The screen figure layer for needing to show includes main screen figure layer and/or auxiliary screen figure layer；
Interface module, the screen figure layer that the needs for screen figure layer delivery module to be pushed are shown are shown to main display
And at least one auxiliary display screen.
Optionally, in addition to：
Self-defined screen figure layer delivery module, for self-defined screen figure layer to be pushed into the interface module.
Optionally, the interface module includes：
First interface module, for when only finding the main screen figure layer of screen figure layer delivery module push, by this
Main screen figure layer is shown to primary display screen, and is shown to Auxiliary display after the main screen figure layer is replicated；
Second interface module, for when the main screen figure layer and auxiliary screen map that find the screen figure layer delivery module push
During layer, the main screen figure layer and auxiliary screen figure layer are shown to main display and auxiliary display screen respectively；
3rd interface module, for when the main screen figure layer that finds screen figure layer delivery module push and it is described from
When defining the self-defined screen figure layer of screen figure layer delivery module push, the main screen figure layer is shown to primary display screen, will
The self-defined screen figure layer is shown to auxiliary display screen.
Optionally, the window management service is used for：Application program operational order is obtained, and is given birth to according to the operational order
Into the screen figure layer for needing to show accordingly；Wherein, the application program operational order refers to including the operation of self-defined screen content
Order.
Optionally, the auxiliary display screen is connected by USB interface；It is provided with the system and supports that the USB interface is external
The driving of display device.
On the other hand, the embodiment of the present invention provides a kind of multi-screen display method, including：
The screen figure layer that the needs obtained from window management service module are shown is pushed to interface module；It is described to need to show
The screen figure layer shown includes main screen figure layer and/or auxiliary screen figure layer；
The screen figure layer that shows of needs that screen figure layer delivery module pushes is shown to main display and at least one auxiliary
Display screen.
Optionally, in addition to：
Self-defined screen figure layer is pushed to the interface module.
Optionally, the screen figure layer that shows of needs by the push of screen figure layer delivery module be shown to main display and
At least one auxiliary display screen, including：
When only finding the main screen figure layer of the screen figure layer delivery module push, the main screen figure layer is shown to master
Display screen, and it is shown to Auxiliary display after the main screen figure layer is replicated；
When the main screen figure layer and auxiliary screen figure layer for finding the screen figure layer delivery module push, respectively by the main screen
Curtain figure layer and auxiliary screen figure layer are shown to main display and auxiliary display screen；
When the main screen figure layer and the self-defined screen figure layer that only find the screen figure layer delivery module push are thrown
When passing the self-defined screen figure layer of module push, the main screen figure layer is shown to primary display screen, by the self-defined screen map
Layer is shown to auxiliary display screen.
Optionally, the window management service is used for：Application program operational order is obtained, and is given birth to according to the operational order
Into the screen figure layer for needing to show accordingly；Wherein, the application program operational order refers to including the operation of self-defined screen content
Order.
Optionally, the auxiliary display screen is connected by USB interface；The USB interface is provided with supports the USB to connect accordingly
The driving of mouth external connection display equipment.
Above-mentioned technical proposal has the advantages that：Only increase a USB video card, not only realize duplication display or
Person extends the function of display, also add the function in the second screen display custom content.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is multi-screen display system structured flowchart according to embodiments of the present invention；
Fig. 2 is the structured flowchart of another embodiment of multi-screen display system according to embodiments of the present invention；
Fig. 3 is the flow chart of multi-screen display method according to embodiments of the present invention；
Fig. 4 is the flow chart of another embodiment of multi-screen display method according to embodiments of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Service framework is shown by changing Android present applicant proposes one kind, and by changing the driving of USB video cards
Method, an Android device can be preferably set to realize duplication on the extendable display screen curtain of primary display screen and USB video cards
It has been shown that, extension display and Android are using the self-defined mode for showing extended screen content.
It is that some terms that may be used in embodiment are explained below：
Android WindowManager Service：Android system window management service, all graphical interfaces of that
All service is managed herein.
Android SurfaceFlinger：Android screen figure layer delivery service, for manage WindowManager
Screen figure layer mixes and renders to screen framebuffer device.
Android HWComposer：Android hardware mix accelerator, it is that SurfaceFlinger is mixed, rendered fortune
The hardware-accelerated component calculated.
Framebuffer：Framebuffer device is the software interface of the display device of linux and Android system, video memory
A kind of equipment after abstract, graph data renders after so far equipment can be to be shown on screen.
Android External Display：The external screen of Android system supports software mechanism, if Android device increases
Second screen can use this mechanism to realize that extension external screen be shown.
Render：Graphical interfaces content is generated as graph data, shown for display device.
The present invention will be further described by instantiation below：
Embodiment one
The problems of shown in view of multi-screen under existing android system, it is more that one kind is provided in this example
On-screen display system, as shown in figure 1, following module can be included：
Screen figure layer delivery module 101, for the screen figure layer for showing the needs obtained from window management service module
It is pushed to interface module；The screen figure layer for needing to show includes main screen figure layer and/or auxiliary screen figure layer；
In an embodiment of the present embodiment, when being applied in android system, in Android Surface
An Android External Display is added in Flinger services, with the addition of Android External Display.
Android Surface Flinger services are the screen figure layer delivery module 101 in present embodiment.
If application program has used external display software architectures, window management service module body can be passed through
In now being serviced to Android Surface Flinger, Android Surface Flinger services can render external
Display content is simultaneously pushed to interface module.
Interface module 102, the screen figure layer that the needs for screen figure layer delivery module to be pushed are shown are shown to main aobvious
Display screen and at least one auxiliary display screen.
In an embodiment of the present embodiment, when being applied in android system, interface module 102 is
Android HWComposer components.
Explanation is needed exist for, the driving for supporting USB interface circumscribed USB display screen is with the addition of in android system.
Android screen figure layer is rendered into main screen, the i.e. master that Android Surface Flinger service original programs normally push
Screen figure layer can be rendered to main screen.For the external USB video cards of the USB interface newly increased, Android is such as found
External Display content, then be rendered into auxiliary screen by auxiliary screen figure layer, i.e., extended screen content is shown into USB shows
Card.If not finding Android External Display content, the content for rendering to main screen is copied into USB shows
Card.
Embodiment two
As shown in Fig. 2 the structured flowchart of another embodiment for the present embodiment multi-screen display system, as shown in the figure：
The present embodiment and the difference of embodiment one be, in addition to：
Self-defined screen figure layer delivery module 103, for self-defined screen figure layer to be pushed into the interface module.
The interface module includes：
First interface module, for when only finding the main screen figure layer of screen figure layer delivery module push, by this
Main screen figure layer is shown to primary display screen, and is shown to Auxiliary display after the main screen figure layer is replicated；
Second interface module, for when the main screen figure layer and auxiliary screen map that find the screen figure layer delivery module push
During layer, the main screen figure layer and auxiliary screen figure layer are shown to main display and auxiliary display screen respectively；
3rd interface module, for when the main screen figure layer that finds screen figure layer delivery module push and it is described from
When defining the self-defined screen figure layer of screen figure layer delivery module push, the main screen figure layer is shown to primary display screen, will
The self-defined screen figure layer is shown to auxiliary display screen.
Optionally, the window management service is used for：Application program operational order is obtained, and is given birth to according to the operational order
Into the screen figure layer for needing to show accordingly；Wherein, the application program operational order refers to including the operation of self-defined screen content
Order.
Optionally, the auxiliary display screen is connected by USB interface；It is provided with the system and supports that the USB interface is external
The driving of display device.
More than, the present embodiment and the difference of embodiment one are, Android HWComposer components add one and patrolled
Volume：When the main screen figure layer and the self-defined screen figure layer delivery module that only find the screen figure layer delivery module push
During the self-defined screen figure layer of push, the main screen figure layer is shown to primary display screen, the self-defined screen figure layer is shown
To auxiliary display screen.
That is, if HWComposer is found that the content of self-defined screen figure layer delivery service, shown certainly in USB video cards
The interface content of definition.
In an embodiment of the present embodiment：
1. in addition to main screen figure layer, when only finding self-defined screen figure layer, the self-defined screen figure layer is rendered to auxiliary
Display screen；
2. when only finding auxiliary screen figure layer, the auxiliary screen figure layer is rendered into auxiliary screen；
3. when finding self-defined screen figure layer and auxiliary screen figure layer simultaneously, self-defined screen figure layer is rendered into auxiliary display
Screen；
4. when finding self-defined screen figure layer and auxiliary screen figure layer simultaneously, auxiliary screen figure layer is rendered into auxiliary screen；
5. when finding self-defined screen figure layer and auxiliary screen figure layer simultaneously, by self-defined screen figure layer and auxiliary screen figure layer
Render to simultaneously on two different auxiliary screens；That is, including at least two auxiliary screens.
Embodiment three
Fig. 3 is a kind of flow chart of multi-screen display method of the embodiment of the present invention, as illustrated, including：
Step 301, the screen figure layer that the needs obtained from window management service module are shown is pushed to interface module；Institute
The screen figure layer that stating needs to show includes main screen figure layer and/or auxiliary screen figure layer；
In an embodiment of the present embodiment, when being applied in android system, in Android Surface
An Android External Display is added in Flinger services, with the addition of Android External Display.
If application program has used external display software architectures, window management service module body can be passed through
In now being serviced to Android Surface Flinger, Android Surface Flinger services can render external
Display content is simultaneously pushed to interface module.
Step 302, the screen figure layer that shows of needs that screen figure layer delivery module pushes is shown to main display and extremely
A few auxiliary display screen.
In an embodiment of the present embodiment, when being applied in android system, interface module 102 is
Android HWComposer components.
Explanation is needed exist for, the driving for supporting USB interface circumscribed USB display screen is with the addition of in android system.
Android screen figure layer is rendered into main screen, the i.e. master that Android Surface Flinger service original programs normally push
Screen figure layer can be rendered to main screen.For the external USB video cards of the USB interface newly increased, Android is such as found
External Display content, then be rendered into auxiliary screen by auxiliary screen figure layer, i.e., extended screen content is shown into USB shows
Card.If not finding Android External Display content, the content for rendering to main screen is copied into USB shows
Card.
Example IV
As shown in figure 4, the flow chart of another embodiment for the present embodiment multi-display method, as shown in the figure：
The present embodiment and the difference of embodiment three be, in addition to：
Step 303, self-defined screen figure layer is pushed to the interface module.
Optionally, the screen figure layer that shows of needs by the push of screen figure layer delivery module be shown to main display and
At least one auxiliary display screen, including：
When only finding the main screen figure layer of the screen figure layer delivery module push, the main screen figure layer is shown to master
Display screen, and it is shown to Auxiliary display after the main screen figure layer is replicated；
When the main screen figure layer and auxiliary screen figure layer for finding the screen figure layer delivery module push, respectively by the main screen
Curtain figure layer and auxiliary screen figure layer are shown to main display and auxiliary display screen；
When the main screen figure layer and the self-defined screen figure layer that find the screen figure layer delivery module push are delivered
During the self-defined screen figure layer of module push, the main screen figure layer is shown to primary display screen, by the self-defined screen figure layer
It is shown to auxiliary display screen.
Optionally, the window management service is used for：Application program operational order is obtained, and is given birth to according to the operational order
Into the screen figure layer for needing to show accordingly；Wherein, the application program operational order refers to including the operation of self-defined screen content
Order.
Optionally, the auxiliary display screen is connected by USB interface；The USB interface is provided with supports the USB to connect accordingly
The driving of mouth external connection display equipment.
More than, the present embodiment and the difference of embodiment one are, Android HWComposer components add one and patrolled
Volume：When the main screen figure layer and the self-defined screen figure layer delivery module that only find the screen figure layer delivery module push
During the self-defined screen figure layer of push, the main screen figure layer is shown to primary display screen, the self-defined screen figure layer is shown
To auxiliary display screen.
That is, if HWComposer is found that the content of self-defined screen figure layer delivery service, shown certainly in USB video cards
The interface content of definition.
In an embodiment of the present embodiment：
1. in addition to main screen figure layer, when only finding self-defined screen figure layer, the self-defined screen figure layer is rendered to auxiliary
Display screen；
2. when only finding auxiliary screen figure layer, the auxiliary screen figure layer is rendered into auxiliary screen；
3. when finding self-defined screen figure layer and auxiliary screen figure layer simultaneously, self-defined screen figure layer is rendered into auxiliary display
Screen；
4. when finding self-defined screen figure layer and auxiliary screen figure layer simultaneously, auxiliary screen figure layer is rendered into auxiliary screen；
5. when finding self-defined screen figure layer and auxiliary screen figure layer simultaneously, by self-defined screen figure layer and auxiliary screen figure layer
Render to simultaneously on two different auxiliary screens；That is, including at least two auxiliary screens.
Above-mentioned technical proposal has the advantages that：Only increase a USB video card, not only realize duplication display or
Person extends the function of display, also add the function in the second screen display custom content.
Those skilled in the art will also be appreciated that the various illustrative components, blocks that the embodiment of the present invention is listed
(illustrative logical block), unit, and step can pass through the knot of electronic hardware, computer software, or both
Conjunction is realized.To clearly show that the replaceability of hardware and software (interchangeability), above-mentioned various explanations
Property part (illustrative components), unit and step universally describe their function.Such work(
Can be that specific application and the design requirement of whole system are depended on to realize by hardware or software.Those skilled in the art
Various methods can be used to realize described function, but this realization is understood not to for every kind of specific application
Beyond the scope of protection of the embodiment of the present invention.
Various illustrative logical blocks described in the embodiment of the present invention, or unit can by general processor,
Digital signal processor, application specific integrated circuit (ASIC), field programmable gate array or other programmable logic devices, discrete gate
Or the design of transistor logic, discrete hardware components, or any of the above described combination is come the function described by realizing or operate.General place
It can be microprocessor to manage device, and alternatively, the general processor can also be any traditional processor, controller, microcontroller
Device or state machine.Processor can also be realized by the combination of computing device, such as digital signal processor and microprocessor,
Multi-microprocessor, one or more microprocessors combine a Digital Signal Processor Core, or any other like configuration
To realize.
The step of method or algorithm described in the embodiment of the present invention can be directly embedded into hardware, computing device it is soft
Part module or the combination of both.Software module can be stored in RAM memory, flash memory, ROM memory, EPROM storages
Other any form of storaging mediums in device, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area
In.Exemplarily, storaging medium can be connected with processor, to allow processor to read information from storaging medium, and
Write information can be deposited to storaging medium.Alternatively, storaging medium can also be integrated into processor.Processor and storaging medium can
To be arranged in ASIC, ASIC can be arranged in user terminal.Alternatively, processor and storaging medium can also be arranged at use
In different parts in the terminal of family.
In one or more exemplary designs, above-mentioned function described by the embodiment of the present invention can be in hardware, soft
Part, firmware or any combination of this three are realized.If realized in software, these functions can store and computer-readable
On medium, or with one or more instruction or code form be transmitted on the medium of computer-readable.Computer readable medium includes electricity
Brain storaging medium and it is easy to so that allowing computer program to be transferred to other local telecommunication medias from a place.Storaging medium can be with
It is that any general or special computer can be with the useable medium of access.For example, such computer readable media can include but
It is not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage devices, or other
What can be used for carrying or store with instruct or data structure and it is other can be by general or special computer or general or specially treated
The medium of the program code of device reading form.In addition, any connection can be properly termed computer readable medium, example
Such as, if software is to pass through a coaxial cable, fiber optic cables, double from a web-site, server or other remote resources
Twisted wire, Digital Subscriber Line (DSL) or with defined in being also contained in of the wireless way for transmitting such as infrared, wireless and microwave
In computer readable medium.Described disk (disk) and disk (disc) include Zip disk, radium-shine disk, CD, DVD, floppy disk
And Blu-ray Disc, disk is generally with magnetic duplication data, and disk generally carries out optical reproduction data with laser.Combinations of the above
It can also be included in computer readable medium.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (10)
- A kind of 1. multi-screen display system, it is characterised in that including：Screen figure layer delivery module, the screen figure layer for the needs obtained from window management service module to be shown, which is pushed to, to be connect Mouth mold block；The screen figure layer for needing to show includes main screen figure layer and/or auxiliary screen figure layer；Interface module, the screen figure layer that the needs for screen figure layer delivery module to be pushed are shown are shown to main display and extremely A few auxiliary display screen.
- 2. system according to claim 1, it is characterised in that also include：Self-defined screen figure layer delivery module, for self-defined screen figure layer to be pushed into the interface module.
- 3. system according to claim 2, it is characterised in that the interface module includes：First interface module, for when only finding the main screen figure layer of screen figure layer delivery module push, by the main screen Curtain figure layer is shown to primary display screen, and is shown to Auxiliary display after the main screen figure layer is replicated；Second interface module, for when the main screen figure layer and auxiliary screen figure layer that find the screen figure layer delivery module push When, the main screen figure layer and auxiliary screen figure layer are shown to main display and auxiliary display screen respectively；3rd interface module, for when the main screen figure layer that finds screen figure layer delivery module push and described self-defined During the self-defined screen figure layer of screen figure layer delivery module push, the main screen figure layer is shown to primary display screen, by this certainly Define screen figure layer and be shown to auxiliary display screen.
- 4. system according to claim 1, it is characterised in that the window management service is used for：Obtain application program behaviour Instruct, and the screen figure layer for needing to show accordingly according to operational order generation；Wherein, the application program operation refers to Order includes self-defined screen content operational order.
- 5. system according to claim 1, it is characterised in that the auxiliary display screen is connected by USB interface；The system In be provided with support the USB interface external connection display equipment driving.
- A kind of 6. multi-screen display method, it is characterised in that including：The screen figure layer that the needs obtained from window management service module are shown is pushed to interface module；It is described to need what is shown Screen figure layer includes main screen figure layer and/or auxiliary screen figure layer；The screen figure layer that the needs that screen figure layer delivery module pushes are shown is shown to main display and at least one auxiliary display Screen.
- 7. according to the method for claim 6, it is characterised in that also include：Self-defined screen figure layer is pushed to the interface module.
- 8. according to the method for claim 7, it is characterised in that described to need to show by the push of screen figure layer delivery module Screen figure layer be shown to main display and at least one auxiliary display screen, including：When only finding the main screen figure layer of the screen figure layer delivery module push, the main screen figure layer is shown to main display Screen, and it is shown to Auxiliary display after the main screen figure layer is replicated；When the main screen figure layer and auxiliary screen figure layer for finding the screen figure layer delivery module push, respectively by the main screen figure Layer and auxiliary screen figure layer are shown to main display and auxiliary display screen；When the main screen figure layer and the self-defined screen figure layer delivery module that find the screen figure layer delivery module push During the self-defined screen figure layer of push, the main screen figure layer is shown to primary display screen, the self-defined screen figure layer is shown To auxiliary display screen.
- 9. according to the method for claim 6, it is characterised in that the window management service is used for：Obtain application program behaviour Instruct, and the screen figure layer for needing to show accordingly according to operational order generation；Wherein, the application program operation refers to Order includes self-defined screen content operational order.
- 10. according to the method for claim 6, it is characterised in that the auxiliary display screen is connected by USB interface；The USB Interface is provided with the driving for supporting the USB interface external connection display equipment accordingly.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108536503A (en) * | 2018-03-15 | 2018-09-14 | 北京雷石天地电子技术有限公司 | A kind of method and system of switching display content based on android system |
| CN110007882A (en) * | 2018-01-05 | 2019-07-12 | 中兴通讯股份有限公司 | A kind of display screen extension display methods, terminal and computer readable storage medium |
| CN112706801A (en) * | 2021-01-28 | 2021-04-27 | 苏州长风航空电子有限公司 | Control method and control system of train network information |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8018398B1 (en) * | 2000-05-12 | 2011-09-13 | Illinois Computer Research, Llc | Automatic configuration of multiple monitor systems |
| CN102385477A (en) * | 2010-09-03 | 2012-03-21 | Lg电子株式会社 | Method for providing user interface based on multiple displays and mobile terminal using the same |
| CN102495712A (en) * | 2011-12-15 | 2012-06-13 | 王飞 | Map splicing display method based on a plurality of display terminals |
| CN103473024A (en) * | 2012-06-07 | 2013-12-25 | 上海信颐电子科技有限公司 | Multi-display-screen all-in-one machine system with display card |
| CN105988860A (en) * | 2015-01-20 | 2016-10-05 | 纬创资通股份有限公司 | Method for executing application program and mobile device |
| CN106572248A (en) * | 2016-10-26 | 2017-04-19 | 努比亚技术有限公司 | Information display device, mobile terminal and method |
-
2017
- 2017-07-31 CN CN201710636824.1A patent/CN107450875A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8018398B1 (en) * | 2000-05-12 | 2011-09-13 | Illinois Computer Research, Llc | Automatic configuration of multiple monitor systems |
| CN102385477A (en) * | 2010-09-03 | 2012-03-21 | Lg电子株式会社 | Method for providing user interface based on multiple displays and mobile terminal using the same |
| CN102495712A (en) * | 2011-12-15 | 2012-06-13 | 王飞 | Map splicing display method based on a plurality of display terminals |
| CN103473024A (en) * | 2012-06-07 | 2013-12-25 | 上海信颐电子科技有限公司 | Multi-display-screen all-in-one machine system with display card |
| CN105988860A (en) * | 2015-01-20 | 2016-10-05 | 纬创资通股份有限公司 | Method for executing application program and mobile device |
| CN106572248A (en) * | 2016-10-26 | 2017-04-19 | 努比亚技术有限公司 | Information display device, mobile terminal and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007882A (en) * | 2018-01-05 | 2019-07-12 | 中兴通讯股份有限公司 | A kind of display screen extension display methods, terminal and computer readable storage medium |
| CN108536503A (en) * | 2018-03-15 | 2018-09-14 | 北京雷石天地电子技术有限公司 | A kind of method and system of switching display content based on android system |
| CN112706801A (en) * | 2021-01-28 | 2021-04-27 | 苏州长风航空电子有限公司 | Control method and control system of train network information |
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