CN103425440B - Display method and electronic device - Google Patents
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- CN103425440B CN103425440B CN201210149091.6A CN201210149091A CN103425440B CN 103425440 B CN103425440 B CN 103425440B CN 201210149091 A CN201210149091 A CN 201210149091A CN 103425440 B CN103425440 B CN 103425440B
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Abstract
The invention discloses a display method for realization of the technical effect of taking a USB (universal serial bus) display as a basic display unit to improve display generality. The display method includes: allowing an intercept module to intercept display information; allowing the intercept module to encapsulate the intercepted display information according to the display format of a first interface; allowing the intercept module to transmit the encapsulated display information to a first display module which displays according to the encapsulated display information. The invention further discloses an electronic device for realization of the display method.
Description
Technical field
The present invention relates to computer and built-in field, more particularly to a kind of display methods and electronic equipment.
Background technology
In the prior art, because of the data bandwidth of USB (Universal Serial BUS, USB) 2.0 interfaces
Small, the market share shared by USB interface display also very little normally only realizes multihead display as secondary monitor, not single
Solely used as basic display unit.Basic display unit of the prior art is all mostly VGA (Video Graphics Array, video
Graphic array) interface/HDMI (High Definition Multimedia Interface, HDMI)/
The display of the interface types such as DVI (Digital Visual Interface, digital visual interface).
The current interfaces of USB 3.0 become to become increasingly popular, by its data bandwidth higher, the display of USB3.0 interfaces
Performance is greatly improved, and its interface generality is also preferable, particularly with today that desktop computer is increasingly minimized, USB 3.0
The display of interface will necessarily be more and more, and the main trend as future usage.
And windows operating systems do not support that USB displays, as basic display unit, only support USB displays currently
As secondary monitor realizing multi-screen display function.
In the start-up course of Windows systems as shown in Figure 1, only in " Load Graphic driver and
In running (downloading image-driven and the operation) " stages, the display information of windows systems is had on USB displays, at remaining
Three phases (windows loader (windows downloaders), kernel＆drivers (core and driving) and no i.e. in figure
Graphic driver and running (without image-driven and operation)), Windows systems directly can show display information
On onboard fixed video card, rather than on pluggable USB displays, so will not have on these three stages, USB displays
Any display information, always is blank screen, and in the running after windows systems start, also do not have on USB displays
Any display information.
The content of the invention
The embodiment of the present invention provides a kind of display methods and electronic equipment, solves and is shown without decree USB in the prior art
Device has reached realization using USB displays as basic display unit as the technical problem of basic display unit, improves display versatility
Technique effect.
A kind of display methods, being applied to one has the electronic equipment of the first display module of first interface, and the electronics sets
A blocking module is provided with standby, be the described method comprises the following steps：
The blocking module intercepts display information；
According to the display format of the first interface be packaged the display information by the blocking module；
The blocking module by encapsulation after the display information be sent to first display module, make described first show
The display information after showing module according to encapsulation is shown.
Preferably, being provided with the first operating system and the second operating system in the electronic equipment, the blocking module sets
It is placed between first operating system and second operating system.
Preferably, the blocking module includes the step of intercepting display information：Blocking module timing, in real time or receiving
The display information that second operating system sends is intercepted during triggering.
Preferably, the blocking module includes the step of intercepting the display information of the second operating system transmission：It is described
Blocking module is intercepted when the second operating system sends the display information to virtual video card corresponding with second operating system
The display information.
Preferably, the first interface is general-purpose serial bus USB interface.
Preferably, the blocking module is virtual level.
Preferably, first operating system is linux operating systems, second operating system is operated for windows
System.
A kind of electronic equipment, it has the first display module corresponding to first interface, one is provided with the electronic equipment
Blocking module, the blocking module includes：
Interception unit, for intercepting the display information that second operating system sends；
Encapsulation unit, for the display information to be packaged according to the display format of the first interface；
Transmitting element, first display module is sent to for the display information after by encapsulation, makes described first
Display module according to encapsulation after the display information shown.
Preferably, being provided with the first operating system and the second operating system in the electronic equipment, the blocking module sets
It is placed between first operating system and second operating system.
Preferably, the interception unit is used for timing, intercepts in real time or when being triggered second operating system and send
The display information.
Preferably, the interception unit is specifically for when the second operating system is to corresponding with second operating system virtual
Video card intercepts the display information when sending the display information.
Preferably, the first interface is general-purpose serial bus USB interface.
Preferably, the blocking module is virtual level.
Preferably, first operating system is linux operating systems, second operating system is operated for windows
System.
Display methods in the embodiment of the present invention includes that the blocking module intercepts display information；The blocking module is by institute
Display information is stated to be packaged according to the display format of the first interface；The blocking module by encapsulation after the display letter
Breath is sent to first display module, and the display information after making first display module according to encapsulation is shown.
Display information is intercepted by blocking module, and the display information after interception is sent to the first display module, to realize
By the first display module as the purpose of basic display unit, display versatility is improved.
Brief description of the drawings
Fig. 1 is the broad flow diagram of display methods in the embodiment of the present invention；
Fig. 2 is the primary structure figure of blocking module in the embodiment of the present invention.
Specific embodiment
Display methods in the embodiment of the present invention includes that the blocking module intercepts display information；The blocking module is by institute
Display information is stated to be packaged according to the display format of the first interface；The blocking module by encapsulation after the display letter
Breath is sent to first display module, and the display information after making first display module according to encapsulation is shown.
Display information is intercepted by blocking module, and the display information after interception is sent to the first display module, to realize
By the first display module as the purpose of basic display unit, display versatility is improved.
Referring to Fig. 1, the main flow of display methods is as follows in the embodiment of the present invention, and methods described can apply to one to be had
The electronic equipment of the first display module of first interface, is provided with the first operating system, first behaviour in the electronic equipment
Make to be built with a blocking module in system, one second operating system is installed, i.e., in described electronic equipment in the blocking module
First operating system and second operating system is installed, the blocking module be arranged at first operating system and
Between second operating system：
Step 101：The blocking module intercepts display information.
In the embodiment of the present invention, the blocking module can be virtual level, such as described first operating system can be
A kind of linux (operating system) operating system, then the virtual level can be the virtual level built in linux operating systems,
Can continue that second operating system is installed on the virtual level, such as described second operating system can be windows
A kind of (operating system) operating system.Wherein, multiple operating systems can be installed on the virtual level, it does not interfere with each other.
For second operating system, its to that should have a virtual video card, when needing display to be shown, institute
It is all that display information is sent into the virtual video card to state the second operating system, and actual video card is forwarded to by the virtual video card,
Shown by respective display again.
First operating system is mounted with the embodiment of the present invention on the electronic equipment first, in the described first behaviour
Make to build a virtual level in system, then second operating system is installed on the virtual level.Second operating system is
The work at present system of the electronic equipment, when needing to be shown, second operating system sends out the display information
Its corresponding virtual video card is given, the virtual level can send institute in second operating system to the virtual video card
The display information is intercepted when stating display information.
The virtual level can regularly intercept the display information that second operating system sends, or described virtual
The display information that layer can be sent with the second operating system described in real-time blocking, or the virtual level can be toggled
When intercept the display information that second operating system sends.
Step 102：The blocking module enters the display information for intercepting according to the display format of the first interface
Row encapsulation.
The blocking module, need to be by the display information according to the first interface after the display information is intercepted
Display format is packaged.In the embodiment of the present invention, the first interface can be USB interface, itself and described first display mould
Block correspondence, first display module can be the display of USB interface.
Step 103：The blocking module by encapsulation after the display information be sent to first display module, make institute
The display information after the first display module is stated according to encapsulation is shown.
After according to the display format of the first interface be packaged the display information by the blocking module, can be by
The display information after encapsulation is sent to first display module by the first interface, and first display module exists
Can be shown after receiving the display information after encapsulation.As long as the blocking module sends out second operating system
The all display informations sent are intercepted, then can reach the purpose for making USB displays as basic display unit.
And, the blocking module, can be only by the display information according to described first after the display information is intercepted
The display format of interface is packaged, then by encapsulation after the display information be sent to described first by the first interface
Display module, or, the blocking module can be replicated the display information after the display information is intercepted, and be replicated
A display information afterwards is packaged according to the display format of the first interface, then by encapsulation after the display information lead to
Cross the first interface and be sent to first display module, another display information after duplication can continue to be sent out according to former road
Send, for example, can send it to acquiescence display.That is, if described electronic equipment only has a USB display, Ke Yishi
Now shown using the USB displays, if the existing USB displays of the electronic equipment also have other displays of acquiescence,
Then can only make the USB displays be shown that other displays do not show, or USB displays can also be made to show with other
Show that device is shown, can specifically be set as needed.
The display methods in the embodiment of the present invention is introduced below by way of several specific embodiments.
Embodiment one：
The electronic equipment is computer, and first operating system is linux operating systems, in linux operating systems
The blocking module is built with, the blocking module is virtual level, and second operating system is provided with the virtual level,
Second operating system is windows operating systems.There is one first display module in the computer, it has USB interface, described
First display module is USB displays.
Windows operating systems send display information, the virtual level real-time blocking institute to corresponding virtual video card
State display information, wherein, the virtual level can intercept windows operating systems to the virtual video card send it is all described
Display information.
The virtual level after the display information is intercepted, the display lattice that the display information is supported according to USB interface
Formula is packaged.
The virtual level after encapsulation is finished, can by encapsulation after the display information sent by the USB interface
Corresponding first display module of the USB interface is given, is shown according to the display information for receiving by first display module
Show.Because the virtual level can intercept all described display information that windows operating systems send to the virtual video card, such as
This has then reached the purpose for making USB displays as basic display unit.USB interface is more general, makes USB displays as main display
Device, it is clear that improve the versatility of display.
Embodiment two：
The electronic equipment is computer, and first operating system is linux operating systems, in linux operating systems
The blocking module is built with, the blocking module is virtual level, and second operating system is provided with the virtual level,
Second operating system is windows operating systems.There is one first display module in the computer, it has USB interface, described
First display module is USB displays.
Windows operating systems send display information to corresponding virtual video card, and the virtual level timing intercepts institute
Display information is stated, wherein, the interval time that the virtual level is intercepted can send display information with windows operating systems
Interval time it is consistent, to ensure that the virtual level can intercept the institute that windows operating systems send to the virtual video card
There is the display information.
The virtual level after the display information is intercepted, the display lattice that the display information is supported according to USB interface
Formula is packaged.
The virtual level after encapsulation is finished, can by encapsulation after the display information sent by the USB interface
Corresponding first display module of the USB interface is given, is shown according to the display information for receiving by first display module
Show.Because the virtual level can intercept all described display information that windows operating systems send to the virtual video card, such as
This has then reached the purpose for making USB displays as basic display unit.USB interface is more general, makes USB displays as main display
Device, it is clear that improve the versatility of display.
Embodiment three：
The electronic equipment is computer, and first operating system is linux operating systems, in linux operating systems
The blocking module is built with, the blocking module is virtual level, and second operating system is provided with the virtual level,
Second operating system is windows operating systems.There is one first display module in the computer, it has USB interface, described
First display module is USB displays.
Windows operating systems send display information to corresponding virtual video card, and the virtual level is toggled
When intercept the display information, wherein, the virtual level can be with often i.e. will be to corresponding void in windows operating systems
Intend video card and send toggled during display information, or can be sent out to corresponding virtual video card in windows operating systems
It is toggled when sending display information, intercepted after toggled, grasped with ensuring that the virtual level can intercept windows
Make all described display information that system sends to the virtual video card.
The virtual level after the display information is intercepted, the display lattice that the display information is supported according to USB interface
Formula is packaged.
The virtual level after encapsulation is finished, can by encapsulation after the display information sent by the USB interface
Corresponding first display module of the USB interface is given, is shown according to the display information for receiving by first display module
Show.Because the virtual level can intercept all described display information that windows operating systems send to the virtual video card, such as
This has then reached the purpose for making USB displays as basic display unit.USB interface is more general, makes USB displays as main display
Device, it is clear that improve the versatility of display.
Example IV：
The electronic equipment is computer, and first operating system is linux operating systems, in linux operating systems
The blocking module is built with, the blocking module is virtual level, and second operating system is provided with the virtual level,
Second operating system is windows operating systems.There is one first display module in the computer, it has USB interface, described
First display module is USB displays, also has one second display module in the computer, and it has VGA (Video Graphics
Array, Video Graphics Array) interface, second display module is the acquiescence display of the computer.
Windows operating systems send display information, the virtual level real-time blocking institute to corresponding virtual video card
State display information, wherein, the virtual level can intercept windows operating systems to the virtual video card send it is all described
Display information.
The virtual level is replicated the display information after the display information is intercepted.
The virtual level obtains the display information of identical first and the second display information after duplication is finished.
According to the display format that USB interface is supported be packaged first display information by the virtual level, while will
Second display information is sent to second display module, by second display module according to the display information for receiving
Shown.
The virtual level after encapsulation is finished, can by encapsulation after first display information pass through the USB interface
The first display module corresponding with the USB interface is sent to, by first display module according to the first display letter for receiving
Breath is shown.Because the virtual level can intercept windows operating systems to the virtual video card send it is all described aobvious
Show information, so then reach the purpose for making USB displays as basic display unit.The acquiescence display of the computer can also simultaneously
Shown simultaneously, to meet demand.
Embodiment five：
The electronic equipment is computer, and first operating system is linux operating systems, in linux operating systems
The blocking module is built with, the blocking module is virtual level, and second operating system is provided with the virtual level,
Second operating system is windows operating systems.There is one first display module in the computer, it has USB interface, described
First display module is USB displays, also has one second display module in the computer, and it has HDMI (High Definition
Multimedia Interface, HDMI) interface, second display module is that the acquiescence of the computer shows
Show device.
Windows operating systems send display information to corresponding virtual video card, and the virtual level timing intercepts institute
Display information is stated, wherein, the interval time that the virtual level is intercepted can send display information with windows operating systems
Interval time it is consistent, to ensure that the virtual level can intercept the institute that windows operating systems send to the virtual video card
There is the display information.
The virtual level is replicated the display information after the display information is intercepted.
The virtual level obtains the display information of identical first and the second display information after duplication is finished.
According to the display format that USB interface is supported be packaged first display information by the virtual level, while will
Second display information is sent to second display module, by second display module according to the display information for receiving
Shown.
The virtual level after encapsulation is finished, can by encapsulation after first display information pass through the USB interface
The first display module corresponding with the USB interface is sent to, by first display module according to the first display letter for receiving
Breath is shown.Because the virtual level can intercept windows operating systems to the virtual video card send it is all described aobvious
Show information, so then reach the purpose for making USB displays as basic display unit.The acquiescence display of the computer can also simultaneously
Shown simultaneously, to meet demand.
Embodiment six：
The electronic equipment is computer, and first operating system is linux operating systems, in linux operating systems
The blocking module is built with, the blocking module is virtual level, and second operating system is provided with the virtual level,
Second operating system is windows operating systems.There is one first display module in the computer, it has USB interface, described
First display module is USB displays, also has one second display module and one the 3rd display module in the computer, and it has respectively
HDMI (High Definition Multimedia Interface, HDMI) interfaces and DVI
(Digital Visual Interface, digital visual interface) interface.
Windows operating systems send display information to corresponding virtual video card, and the virtual level is toggled
When intercept the display information, wherein, the virtual level can be with often i.e. will be to corresponding void in windows operating systems
Intend video card and send toggled during display information, or can be sent out to corresponding virtual video card in windows operating systems
It is toggled when sending display information, intercepted after toggled, grasped with ensuring that the virtual level can intercept windows
Make all described display information that system sends to the virtual video card.
The virtual level is replicated the display information after the display information is intercepted.
The virtual level obtains the display information of identical first, the second display information and the 3rd display after duplication is finished
Information.
According to the display format that USB interface is supported be packaged first display information by the virtual level, while will
Second display information is sent to second display module, and the 3rd display information is sent into the 3rd display
Module, is shown according to the display information for receiving respectively by second display module and the 3rd display module.
The virtual level after encapsulation is finished, can by encapsulation after first display information pass through the USB interface
The first display module corresponding with the USB interface is sent to, by first display module according to the first display letter for receiving
Breath is shown.Because the virtual level can intercept windows operating systems to the virtual video card send it is all described aobvious
Show information, so then reach the purpose for making USB displays as basic display unit.USB interface is more general, makes USB displays
As basic display unit, it is clear that improve the versatility of display.
Electronic equipment in the embodiment of the present invention introduced below.
Referring to Fig. 2, the electronic equipment in the embodiment of the present invention can include one first display module, the first display mould
Block can be provided with first operating system and second operating system to that should have first interface, in the electronic equipment,
The blocking module is provided between first operating system and second operating system.The blocking module can include blocking
Cut unit 201, encapsulation unit 202 and transmitting element 203.Blocking module described in the embodiment of the present invention can be specifically virtual
Layer.The first interface can be USB interface.
Interception unit 201 is used to intercept display information.
Interception unit 201 can regularly intercept the display information that second operating system sends, or can be real
When intercept the display information that second operating system sends, or the second operation system can be intercepted when being triggered
The display information that system sends.
Interception unit 201 specifically can be used for when the second operating system is to virtual video card corresponding with second operating system
The display information is intercepted when sending the display information.
Encapsulation unit 202 is used to be sealed the display information for intercepting according to the display format of the first interface
Dress.
Encapsulation unit 202 can be also used for being replicated the display information for intercepting, and obtain at least two parts of identical
The display information, it is possible to a copy of it display information is packaged according to the display format of the first interface.
According to different display format can also be packaged the display information after duplication as needed by encapsulation unit 202.
The display information after transmitting element 203 is used for encapsulation is sent to first display module, makes described the
One display module according to encapsulation after the display information shown.
Display methods in the embodiment of the present invention includes that the blocking module intercepts display information；The blocking module is by institute
Display information is stated to be packaged according to the display format of the first interface；The blocking module by encapsulation after the display letter
Breath is sent to first display module, and the display information after making first display module according to encapsulation is shown.
Display information is intercepted by blocking module, and the display information after interception is sent to the first display module, to realize
By the first display module as the purpose of basic display unit, display versatility is improved.
The embodiment of the present invention can not only realize making USB displays as basic display unit, and be shown in USB displays
When, other displays being connected with the electronic equipment can also be shown, can meet different demands.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.And, the present invention can be used and wherein include the computer of computer usable program code at one or more
The shape of the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (14)
1. a kind of display methods, it is characterised in that be applied to and include the first display module and acquiescence with first interface
The electronic equipment of display, wherein, first display module is different from the acquiescence display, is provided with the electronic equipment
One blocking module, the described method comprises the following steps：
The blocking module intercepts the display information for being intended to be sent to the acquiescence display；
According to the display format of the first interface be packaged the display information for intercepting by the blocking module；
The blocking module by encapsulation after the display information be sent to first display module, make it is described first display mould
Root tuber is shown according to the display information after encapsulation；
According to the display format of the first interface be packaged the display information for intercepting by the blocking module, including：
The display information is replicated, the display information of identical first and the second display information is obtained；
First display information is packaged according to the display format of the first interface；
Second display information is sent to the acquiescence display simultaneously, by the acquiescence display according to for receiving
Two display informations are shown.
2. the method for claim 1, it is characterised in that the first operating system and second are provided with the electronic equipment
Operating system, the blocking module is arranged between first operating system and second operating system.
3. method as claimed in claim 2, it is characterised in that the step of blocking module intercepts display information includes：Institute
State blocking module timing, the display information real-time or that the second operating system transmission is intercepted when being triggered.
4. method as claimed in claim 2, it is characterised in that the step of blocking module intercepts display information includes：Institute
Blocking module is stated to be blocked when the second operating system sends the display information to virtual video card corresponding with second operating system
Cut the display information.
5. method as claimed in claim 2, it is characterised in that the first interface is general-purpose serial bus USB interface.
6. the method as described in claim any one of 1-5, it is characterised in that the blocking module is virtual level.
7. the method as described in claim any one of 2-5, it is characterised in that first operating system is that linux operates system
System, second operating system is windows operating systems.
8. a kind of electronic equipment, it is characterised in that it has the first display module and acquiescence display corresponding to first interface,
Wherein, first display module is different from the acquiescence display, and a blocking module is provided with the electronic equipment, described to block
Cutting module includes：
Interception unit, for intercepting the display information for being intended to be sent to the acquiescence display；
Encapsulation unit, for the display information for intercepting to be packaged according to the display format of the first interface；
Transmitting element, first display module is sent to for the display information after by encapsulation, makes first display
Module according to encapsulation after the display information shown；
The encapsulation unit specifically for：
The display information is replicated, the display information of identical first and the second display information is obtained；
First display information is packaged according to the display format of the first interface；
The transmitting element is additionally operable to for second display information to be sent to the acquiescence display, by the acquiescence display
The second display information according to receiving is shown.
9. electronic equipment as claimed in claim 8, it is characterised in that be provided with the electronic equipment the first operating system and
Second operating system, the blocking module is arranged between first operating system and second operating system.
10. electronic equipment as claimed in claim 9, it is characterised in that the interception unit is used for timing, in real time or by touching
The display information that second operating system sends is intercepted during hair.
11. electronic equipments as claimed in claim 9, it is characterised in that the interception unit is specifically for when the second operation system
Unite and intercept the display information when sending the display information to virtual video card corresponding with second operating system.
12. electronic equipments as claimed in claim 9, it is characterised in that the first interface connects for general-purpose serial bus USB
Mouthful.
13. electronic equipment as described in claim any one of 8-12, it is characterised in that the blocking module is virtual level.
14. electronic equipment as described in claim any one of 9-12, it is characterised in that first operating system is linux
Operating system, second operating system is windows operating systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210149091.6A CN103425440B (en) | 2012-05-14 | 2012-05-14 | Display method and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210149091.6A CN103425440B (en) | 2012-05-14 | 2012-05-14 | Display method and electronic device |
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| CN103425440A CN103425440A (en) | 2013-12-04 |
| CN103425440B true CN103425440B (en) | 2017-05-24 |
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| CN109819201A (en) * | 2019-03-08 | 2019-05-28 | 厦门亿联网络技术股份有限公司 | A kind of meeting secondary flow data transmission method, display methods, conference system and peripheral equipment |
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| US6851117B2 (en) * | 2001-05-25 | 2005-02-01 | Sun Microsystems, Inc. | Supplanting motif dialog boxes via modifying intercepted function calls from an application |
| CN100447739C (en) * | 2006-03-28 | 2008-12-31 | 联想(北京)有限公司 | Method and equipment for real-time acquiring multi-media image |
| TWI397853B (en) * | 2007-12-31 | 2013-06-01 | S3 Graphics Co Ltd | Method and system for supporting multiple display devices |
| US7822879B2 (en) * | 2008-05-27 | 2010-10-26 | Valens Semiconductor Ltd. | Methods for address assignment |
| CN101794237B (en) * | 2009-02-02 | 2014-12-31 | 联想(北京)有限公司 | Computer and method for realizing universal display |
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