CN106658111A - Screen projection method and device - Google Patents
Screen projection method and device Download PDFInfo
- Publication number
- CN106658111A CN106658111A CN201710004787.2A CN201710004787A CN106658111A CN 106658111 A CN106658111 A CN 106658111A CN 201710004787 A CN201710004787 A CN 201710004787A CN 106658111 A CN106658111 A CN 106658111A
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- screen
- service
- throwing
- screen service
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
Abstract
The invention provides a screen projection method and device. The method comprises the following steps that a first screen projection service and a second screen projection service are started; the first screen projection service provides a screen projection service for a first mobile terminal, so that the first mobile terminal sends a multimedia file to a target terminal; a screen projection request of a second mobile terminal is received, and the second screen projection service responds to the screen projection request of the second mobile terminal and sends a screen projection response to the second mobile terminal; and the first screen projection service stops providing the screen projection service for the first mobile terminal and the second screen projection service starts providing the screen projection service for the second mobile terminal, so that the second mobile terminal sends the multimedia file to the target terminal. According to the embodiments of the invention, two screen projection services are started on screen projection equipment simultaneously, when the mobile terminal which is accessed later scrambles for projection, the screen service of the mobile terminal which is accessed previously is automatically disconnected, so that a problem of errors generated by scrambling for projection in the existing screen projection method is avoided, and the multimedia file is normally played when the mobile terminal scrambles for projection.
Description
Technical field
The present invention relates to field of computer technology, and in particular to one kind throws screen method and device.
Background technology
In a wireless local area network different terminals can be realized throwing screen.For example, ios can be realized by Airplay agreements
Throwing screen between mobile terminal and Set Top Box or TV with screen projection function；Can be realized by miracast agreements
Throwing screen between andriod mobile terminals and Set Top Box or TV with screen projection function.
In existing throwing screen method, when throwing screen equipment is providing throwing screen service for the first mobile terminal, the second movement
Terminal is entered to rob and mistake occurs when throwing.Specifically, the second mobile terminal may be searched for less than the signal for throwing screen equipment, or
Search the signal of throwing screen equipment but need the connection for waiting longer time to set up and throw screen equipment, cannot be just during throwing is robbed
Often play multimedia file.
The content of the invention
The embodiment of the present invention provide it is a kind of throw screen method and device, for solving existing throwing screen method in rob and launch existing mistake
Problem by mistake.
A kind of throwing screen method is embodiments provided, including:
Open the first throwing screen service and throw with second and shield service；
Described first throws screen service for the first mobile terminal provides throwing and shields and service, so that first mobile terminal is by many matchmakers
Body file is sent to purpose terminal；
The throwing screen request of the second mobile terminal is received, described second throws screen service response in the throwing of second mobile terminal
Screen request, sends to second mobile terminal and throws screen response；
Described first throws screen service stopping provides throwing screen service for first mobile terminal, and the second throwing screen service is opened
Begin to be provided to second mobile terminal and throw screen service, so that second mobile terminal sends multimedia file to the mesh
Terminal.
Alternatively, throw screen service described first to provide for the first mobile terminal before throwing screen service, methods described is also wrapped
Include：
The throwing screen request of the first mobile terminal is received, described first throws screen service response in the throwing of first mobile terminal
Screen request, sends to first mobile terminal and throws screen response.
Alternatively, the screen of throwing asks to include the OS Type of second mobile terminal.
Alternatively, described first screen service and the described second throwing screen service are thrown for being the shifting of different OS Types
Dynamic terminal is provided throws screen service.
Alternatively, the multimedia file includes video file, audio file and picture file.
A kind of throwing screen device is embodiments provided, including：
Screen service opening unit is thrown, for unlatching first screen service and the second throwing screen service are thrown；
First throws screen service rendering units, for providing throwing screen service for the first mobile terminal, so that first movement
Terminal sends multimedia file to purpose terminal；
Second throws screen request-response unit, and for receiving the throwing screen request of the second mobile terminal, described second throws screen service
Ask in response to the throwing screen of second mobile terminal, send to second mobile terminal and throw screen response；
Second throws screen service rendering units, and throwing screen is provided for first mobile terminal for throwing screen service stopping first
During service, start to be provided to second mobile terminal and throw screen service, so that second mobile terminal sends out multimedia file
Deliver to the purpose terminal.
Alternatively, also include：
First throws screen request-response unit, and for receiving the throwing screen request of the first mobile terminal, described first throws screen service
Ask in response to the throwing screen of first mobile terminal, send to first mobile terminal and throw screen response.
Alternatively, the screen of throwing asks to include the OS Type of second mobile terminal.
Alternatively, described first screen service and the described second throwing screen service are thrown for being the shifting of different OS Types
Dynamic terminal is provided throws screen service.
Alternatively, the multimedia file includes video file, audio file and picture file.
Provided in an embodiment of the present invention to throw screen method and device, screen service and the second throwing screen service are thrown in unlatching first；It is described
First throw screen service for the first mobile terminal provides throwing shield service so that first mobile terminal by multimedia file send to
Purpose terminal；The throwing screen request of the second mobile terminal is received, described second throws screen service response in second mobile terminal
Screen request is thrown, is sent to second mobile terminal and is thrown screen response；Described first throws screen service stopping moves eventually for described first
End provides screen service of throwing, and described second throws screen service starts to be provided to second mobile terminal and throw screen service, so that described the
Two mobile terminals send multimedia file to the purpose terminal.The embodiment of the present invention is thrown and open simultaneously on screen equipment two throwings
Screen service, when the mobile terminal of rear access robs throwing, disconnects the throwing screen service of the mobile terminal being previously accessed automatically, it is to avoid show
Some problems for robbing mistake of miscarrying thrown in screen method, the normal play multimedia file during throwing is robbed.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the schematic flow sheet of the throwing screen method of one embodiment of the invention；
Fig. 2 is the structural representation of the throwing screen device of one embodiment of the invention.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is the schematic flow sheet of the method for one embodiment of the invention.As shown in figure 1, the method for the embodiment is throwing
Screen equipment is executive agent, including：
S11：Open the first throwing screen service and throw with second and shield service；
There are two to throw screen service it should be noted that the throwing screen equipment of the embodiment of the present invention runs simultaneously.
S12：Described first throws screen service provides throwing screen service for the first mobile terminal, so that first mobile terminal will
Multimedia file is sent to purpose terminal；
It should be noted that the first throwing screen service of the embodiment of the present invention provides throwing screen service for the first mobile terminal, the
One mobile terminal throws screen service and multimedia file is sent to purpose terminal by first.In actual applications, purpose terminal can
To be TV, other equipment with video display function, the invention is not limited in this regard are can also be.Mobile terminal can be
The mobile phone that user uses, such as smart mobile phone.
S13：The throwing screen request of the second mobile terminal is received, described second throws screen service response in second mobile terminal
Throwing screen request, to second mobile terminal send throw screen response；
It should be noted that when the first throwing screen service for throwing screen equipment provides throwing screen service for the first mobile terminal, the
Two mobile terminals send throwing screen request (entering throwing of robbing) to screen equipment is thrown.Throw in screen equipment in existing throwing screen method and only run
There is one to throw screen service, thus mistake occurs when throwing is robbed.And the throwing screen equipment of the embodiment of the present invention runs and has two simultaneously
Screen service is thrown, second throws screen service can respond the throwing screen request of the mobile terminal for robbing throwing.
S14：Described first throws screen service stopping provides throwing screen service for first mobile terminal, and described second throws screen clothes
Business starts to be provided to second mobile terminal throws screen service, so that second mobile terminal sends multimedia file to institute
State purpose terminal；
In actual applications, multimedia file includes video file, audio file and picture file, and the present invention does not make to this
Limit.
Throwing screen method provided in an embodiment of the present invention, throws and open simultaneously on screen equipment two throwing screen services, in rear access
When mobile terminal robs throwing, the throwing screen service of the mobile terminal being previously accessed is disconnected automatically, it is to avoid in existing throwing screen method
The problem of mistake of miscarrying is robbed, the normal play multimedia file during throwing is robbed.
In a kind of optional embodiment of the embodiment of the present invention, it is the first mobile terminal to throw screen service described first
There is provided and throw before screen service, methods described also includes：
The throwing screen request of the first mobile terminal is received, described first throws screen service response in the throwing of first mobile terminal
Screen request, sends to first mobile terminal and throws screen response.
It will be appreciated that the first mobile terminal sends throwing screen request to screen equipment is thrown, service is shielded in the first throwing for throwing screen equipment
Ask in response to the throwing screen of first mobile terminal, send to first mobile terminal and throw screen response.
Further, the screen of throwing asks to include the OS Type of second mobile terminal.
Further, described first screen service and the described second throwing screen service are thrown for being different OS Types
Mobile terminal is provided throws screen service.
It should be noted that the mobile terminal of the embodiment of the present invention sends carries behaviour into the throwing screen request for throwing screen equipment
Make the type of system, throw the throwing screen service run in screen equipment and screen request is thrown according to the type identification of operating system, and to throwing screen
Request is responded.
Below with the process of the throwing screen method of a specific example explanation embodiment of the present invention：
Wireless throwing screen equipment is opened, service is shielded in Android throwing and IOS throws to shield and services in running background, waits movement to be received eventually
The throwing screen request at end；
Android mobile phone sends throwing screen request to screen equipment is thrown, and throws the mark during screen is asked with Android operation system；Wirelessly
After throwing the throwing screen request that screen equipment receives Android mobile phone, Android throws screen service response in the throwing screen request, sends out to Android mobile phone
Send throwing screen response；
First throws screen service provides throwing screen service for Android mobile phone, so that Android mobile phone sends multimedia file to purpose
Terminal (such as TV)；
Now, IOS mobile phones send throwing screen request to wireless screen equipment of throwing, and throw the mark during screen is asked with IOS
Know；It is wireless to throw after the throwing screen request that screen equipment receives IOS mobile phones, send to IOS mobile phones and throw screen response；
IOS mobile phones are thrown and are shielded successfully, and Android is thrown screen service stopping and provides throwing screen service to Android mobile phone, and IOS throws screen service and opens
Begin to be provided to IOS mobile phones and throw screen service, so that IOS mobile phones send multimedia file to purpose terminal, N-free diet method during robbing throwing
Interface, normal play multimedia file.
Fig. 2 is the structural representation of the throwing screen device of one embodiment of the invention.As shown in Fig. 2 the embodiment of the present invention
Throwing screen device includes that throwing screen service opening unit 21, first throws the screen throwing screen request-response unit 23 of service rendering units 22, second
Screen service rendering units 24 are thrown with second, specifically：
Screen service opening unit 21 is thrown, for unlatching first screen service and the second throwing screen service are thrown；
First throws screen service rendering units 22, for providing throwing screen service for the first mobile terminal, so that described first moves
Dynamic terminal sends multimedia file to purpose terminal；
Second throws screen request-response unit 23, and for receiving the throwing screen request of the second mobile terminal, described second throws screen clothes
It is engaged in being asked in response to the throwing screen of second mobile terminal, sends to second mobile terminal and throw screen response；
Second throws screen service rendering units 24, and throwing is provided for first mobile terminal for throwing screen service stopping first
During screen service, start to be provided to second mobile terminal and throw screen service, so that second mobile terminal is by multimedia file
Send to the purpose terminal.
Open two on the throwing screen equipment of the embodiment of the present invention simultaneously and throw screen service, in the mobile terminal of rear access throwing is robbed
When, disconnect the throwing screen service of the mobile terminal being previously accessed automatically, it is to avoid it is existing throw in screen method rob asking for mistake of miscarrying
Topic, the normal play multimedia file during throwing is robbed.
Alternatively, also include：
First throws screen request-response unit, and for receiving the throwing screen request of the first mobile terminal, described first throws screen service
Ask in response to the throwing screen of first mobile terminal, send to first mobile terminal and throw screen response.
Alternatively, the screen of throwing asks to include the OS Type of second mobile terminal.
Alternatively, described first screen service and the described second throwing screen service are thrown for being the shifting of different OS Types
Dynamic terminal is provided throws screen service.
Alternatively, the multimedia file includes video file, audio file and picture file.
The throwing screen device of the embodiment of the present invention can be used for performing said method embodiment, its principle and technique effect class
Seemingly, here is omitted.
Provided in an embodiment of the present invention to throw screen method and device, screen service and the second throwing screen service are thrown in unlatching first；It is described
First throw screen service for the first mobile terminal provides throwing shield service so that first mobile terminal by multimedia file send to
Purpose terminal；The throwing screen request of the second mobile terminal is received, described second throws screen service response in second mobile terminal
Screen request is thrown, is sent to second mobile terminal and is thrown screen response；Described first throws screen service stopping moves eventually for described first
End provides screen service of throwing, and described second throws screen service starts to be provided to second mobile terminal and throw screen service, so that described the
Two mobile terminals send multimedia file to the purpose terminal.The embodiment of the present invention is thrown and open simultaneously on screen equipment two throwings
Screen service, when the mobile terminal of rear access robs throwing, disconnects the throwing screen service of the mobile terminal being previously accessed automatically, it is to avoid show
Some problems for robbing mistake of miscarrying thrown in screen method, the normal play multimedia file during throwing is robbed.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or with reference to the reality in terms of software and hardware
Apply the form of example.And, the present invention can be adopted and wherein include the computer of computer usable program code at one or more
The computer program implemented in usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) is produced
The form of product.
The present invention is the flow process with reference to method according to embodiments of the present invention, equipment (system) and computer program
Figure and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or each stream in block diagram
The combination of journey and/or square frame and flow chart and/or the flow process in block diagram and/or square frame.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 specifying in present one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames.
It should be noted that term " including ", "comprising" or its any other variant are intended to the bag of nonexcludability
Contain, so that a series of process, method, article or equipment including key elements is not only including those key elements, but also including
Other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.
In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including the key element
Process, method, article or equipment in also there is other identical element.
In the specification of the present invention, a large amount of details are illustrated.Although it is understood that, embodiments of the invention can
To put into practice in the case of without these details.In some instances, known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this description.Similarly, it will be appreciated that disclose and help understand each to simplify the present invention
One or more in individual inventive aspect, above in the description of the exemplary embodiment of the present invention, each of the present invention is special
Levy and be grouped together into sometimes in single embodiment, figure or descriptions thereof.However, should not be by the method solution of the disclosure
Release in the following intention of reflection：The feature that i.e. the present invention for required protection requirement ratio is expressly recited in each claim is more
Many features.More precisely, as the following claims reflect, inventive aspect is less than single reality disclosed above
Apply all features of example.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment,
Wherein each claim itself is used as separate embodiments of the invention.
Above example is merely to illustrate technical scheme, rather than a limitation；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these are changed or replace
Change, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. it is a kind of to throw screen method, it is characterised in that to include:
Open the first throwing screen service and throw with second and shield service；
Described first throws screen service provides throwing screen and services for the first mobile terminal, so that first mobile terminal is literary by multimedia
Part is sent to purpose terminal；
The throwing screen request of the second mobile terminal is received, described second throws screen service response please in the throwing screen of second mobile terminal
Ask, send to second mobile terminal and throw screen response；
It is described first throw screen service stopping be first mobile terminal provides throwing screen service, it is described second throw screen service beginning to
Second mobile terminal is provided throws screen service, so that second mobile terminal sends multimedia file to the purpose end
End.
2. method according to claim 1, it is characterised in that throw screen service described first and provide for the first mobile terminal
Before throwing screen service, methods described also includes：
The throwing screen request of the first mobile terminal is received, described first throws screen service response please in the throwing screen of first mobile terminal
Ask, send to first mobile terminal and throw screen response.
3. method according to claim 1, it is characterised in that the throwing screen request includes second mobile terminal
OS Type.
4. method according to claim 1, it is characterised in that described first throws screen service and described second throws screen service and use
Throwing screen service is provided in the mobile terminal for different OS Types.
5. method according to claim 1, it is characterised in that the multimedia file includes video file, audio file
And picture file.
6. it is a kind of to throw screen device, it is characterised in that to include：
Screen service opening unit is thrown, for unlatching first screen service and the second throwing screen service are thrown；
First throws screen service rendering units, for providing throwing screen service for the first mobile terminal, so that first mobile terminal
Multimedia file is sent to purpose terminal；
Second throws screen request-response unit, and for receiving the throwing screen request of the second mobile terminal, described second throws screen service response
Ask in the throwing screen of second mobile terminal, send to second mobile terminal and throw screen response；
Second throws screen service rendering units, and throwing screen service is provided for first mobile terminal for throwing screen service stopping first
When, start to second mobile terminal provide throw screen service so that second mobile terminal by multimedia file send to
The purpose terminal.
7. device according to claim 6, it is characterised in that also include：
First throws screen request-response unit, and for receiving the throwing screen request of the first mobile terminal, described first throws screen service response
Ask in the throwing screen of first mobile terminal, send to first mobile terminal and throw screen response.
8. device according to claim 6, it is characterised in that the throwing screen request includes second mobile terminal
OS Type.
9. device according to claim 6, it is characterised in that described first throws screen service and described second throws screen service and use
Throwing screen service is provided in the mobile terminal for different OS Types.
10. device according to claim 6, it is characterised in that the multimedia file includes video file, audio file
And picture file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004787.2A CN106658111A (en) | 2017-01-04 | 2017-01-04 | Screen projection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004787.2A CN106658111A (en) | 2017-01-04 | 2017-01-04 | Screen projection method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106658111A true CN106658111A (en) | 2017-05-10 |
Family
ID=58843770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710004787.2A Pending CN106658111A (en) | 2017-01-04 | 2017-01-04 | Screen projection method and device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106658111A (en) |
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| CN108399056A (en) * | 2018-02-26 | 2018-08-14 | 上海康斐信息技术有限公司 | It is a kind of wirelessly to throw screen method and wireless router |
| CN109525990A (en) * | 2018-10-31 | 2019-03-26 | 同程网络科技股份有限公司 | It is wireless to throw screen method, apparatus, computer equipment and storage medium |
| CN110166823A (en) * | 2019-06-26 | 2019-08-23 | 北京奇艺世纪科技有限公司 | Throw screen method and relevant apparatus |
| CN110505516A (en) * | 2019-05-15 | 2019-11-26 | 中海油信息科技有限公司 | A kind of throwing screen control method, device and system |
| CN111565442A (en) * | 2020-05-27 | 2020-08-21 | 西安万像电子科技有限公司 | Screen projection method, equipment and system |
| CN112770159A (en) * | 2020-12-30 | 2021-05-07 | 北京字节跳动网络技术有限公司 | Multi-screen interaction system, method, device, equipment and storage medium |
| CN113014972A (en) * | 2021-01-28 | 2021-06-22 | 维沃移动通信有限公司 | Screen projection method, device and system |
| CN113115083A (en) * | 2020-01-10 | 2021-07-13 | 海信视像科技股份有限公司 | Display apparatus and display method |
| CN115134653A (en) * | 2019-01-04 | 2022-09-30 | 苹果公司 | Predictive media routing |
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| CN110505516A (en) * | 2019-05-15 | 2019-11-26 | 中海油信息科技有限公司 | A kind of throwing screen control method, device and system |
| CN110166823A (en) * | 2019-06-26 | 2019-08-23 | 北京奇艺世纪科技有限公司 | Throw screen method and relevant apparatus |
| CN110166823B (en) * | 2019-06-26 | 2021-11-23 | 北京奇艺世纪科技有限公司 | Screen projection method and related device |
| CN113115083A (en) * | 2020-01-10 | 2021-07-13 | 海信视像科技股份有限公司 | Display apparatus and display method |
| CN111565442A (en) * | 2020-05-27 | 2020-08-21 | 西安万像电子科技有限公司 | Screen projection method, equipment and system |
| CN112770159A (en) * | 2020-12-30 | 2021-05-07 | 北京字节跳动网络技术有限公司 | Multi-screen interaction system, method, device, equipment and storage medium |
| CN113014972A (en) * | 2021-01-28 | 2021-06-22 | 维沃移动通信有限公司 | Screen projection method, device and system |
| CN113014972B (en) * | 2021-01-28 | 2024-02-27 | 维沃移动通信有限公司 | Screen projection method, device and system |
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