CN104331161A - System and method for projecting picture by shaking screen of mobile terminal - Google Patents
System and method for projecting picture by shaking screen of mobile terminal Download PDFInfo
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- CN104331161A CN104331161A CN201410610571.7A CN201410610571A CN104331161A CN 104331161 A CN104331161 A CN 104331161A CN 201410610571 A CN201410610571 A CN 201410610571A CN 104331161 A CN104331161 A CN 104331161A
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- mobile terminal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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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
Abstract
The invention provides a system and a method for projecting pictures by shaking a screen of a mobile terminal. A multi-screen interactive function is realized on the basis of an action-identifying technology by combining a DLNA (Digital Living Network Alliance), Miracast, AirPlay and WiFi Direct Display multi-screen display protocol and carrying out equipment communication through a wireless network. The displaying and closing operation of a picture-projecting function can be finished by a user through the screen-shaking action of the mobile terminal within the wireless receiving range of a receiving end. When the picture-projecting function is opened, the pictures can be displayed on the screen of a display terminal by only shaking the screen twice within the wireless receiving range of the receiving end without finding a corresponding picture-projecting menu on the mobile terminal; the picture-projecting function can be closed by shaking twice again within the wireless receiving range of the receiving end. The system and the method are simple and convenient in operation, and the simple and functional requirements of the user are met.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the method and apparatus that a kind of mobile terminal gets rid of screen projection photo.
Background technology
Action recognition technology has started to use gradually on mobile terminals, and the action recognition of also just shaking many at present could identify after user needs repeatedly action.Getting rid of screen action simpler than shaking, when needs use certain function, menu need not be searched at mobile terminal and clicking the operation such as menu, and the direction of getting rid of, all corresponding different recognition method of number of times, function that can be corresponding different.
AirPlay agreement is one group of agreement of transmission medium stream information between apple products that Apple realizes.This technology can be used between Apple's product automatically to find mutually, and transmit mutually music, picture and video file like a cork.In addition, AirPlay also has a kind of mirror image (AirPlay Mirroring) function, the whole screen of mobile terminal can be rendered to more on large screen set, realize the effect of " wireless throw screen ", and to be served by Bonjour or WiFI-P2P agreement is searched mutually.Miracast is the Wireless Display standard based on Wi-Fi direct.Support that the equipment of this standard is by wireless mode sharing video frequency picture.Intelligent mobile terminal by Miracast impact directly at TV or the broadcasting of other devices without the need to being subject to connection cable length by film or photo, and is searched mutually by WiFi-P2P agreement.Similar multihead display protocol also comprises DLNA, Wifi Direct Display etc.
Present mobile terminal preserves the photo of a lot of shooting mostly, when needing to leaf through photo, needs to find corresponding menu, leaies through one by one, and can only watch on mobile phone.Existing methodical complex operation, and mode of watching is single, can not meet the growing demand for experience of user.Therefore need to provide a kind of simple to operation, the method and apparatus of the photo preserved in mobile terminal can be shown on different devices.
Summary of the invention
The object of the present invention is to provide a kind of mobile terminal to get rid of the system and method for screen projection photo, user can hold mobile terminal whipping in receiving end wireless signal reception range and do, and can show photo on display terminal.
For achieving the above object, first the present invention provides a kind of mobile terminal to get rid of the system of screen projection photo, comprising: mobile terminal, receiving end and display terminal; Described mobile terminal and receiving end are respectively equipped with wireless communication module, for setting up wireless connections and transmit photographic intelligence between mobile terminal and receiving end; Described receiving end is connected with display terminal communication, for the photographic intelligence received is presented at display terminal; Described mobile terminal comprises acceleration induction module and client modules;
Described acceleration induction module, gets rid of screen action for what respond to mobile terminal;
Described client modules, what sense for response acceleration induction module gets rid of screen action, opens or closes photo projection function;
Described mobile terminal at least supports a kind of multihead display agreement;
Described receiving end supports multiple multihead display agreement.
Described mobile terminal comprises iOS mobile terminal device and Android mobile terminal equipment.
Described multihead display agreement comprises Airplay, Miracast, DLNA and Wifi Direct Display.
Described acceleration induction module comprises an acceleration induction device.
Described client modules installs the client application that a mobile terminal gets rid of screen projection photo.
The client application that described mobile terminal gets rid of screen projection photo comprises based on IOS systematic difference program and the application program based on Android system.
Described based in IOS systematic difference program for detect mobile terminal get rid of screen action, introduce CoreMotion.framework framework, for accessing the related data of acceleration transducer, and be integrated with and send the algorithm of information based on the monitoring Sensor Events of IOS system and mobile terminal to receiving end, equipment Three-Dimensional Dynamic information accurately can be provided.
Described based in the application program of Android system for detect mobile terminal get rid of screen action, introduce android.hardware.Sensor, android.hardware.SensorManager framework, for the related data of acceleration transducer can be accessed, and be integrated with and send the algorithm of information based on the monitoring Sensor Events of Android system and mobile terminal to receiving end, equipment Three-Dimensional Dynamic information accurately can be provided.
Be electrically connected by HDMI serial line interface or USB interface between described receiving end and display terminal.
Described receiving end also comprises Android system module.
The present invention also provides a kind of mobile terminal to get rid of the method for screen projection photo, comprising:
Step 1, the opening installation client application in mobile terminal, that carries out the first pre-determined number to mobile terminal gets rid of screen action;
Getting rid of screen action and search receiving end under the wireless network environment at mobile terminal place of this first pre-determined number responded to by acceleration transducer in step 2, mobile terminal, connects setting up wireless telecommunications by Tcp/Ip agreement between mobile terminal and the receiving end that searches thereof;
The multihead display agreement that step 3, receiving end select this mobile terminal to support according to different mobile terminals, by selected multihead display protocol transmission photographic intelligence;
The photographic intelligence received shows at display terminal by step 4, receiving end;
After step 5, display, the second pre-determined number is carried out to mobile terminal and gets rid of screen action;
What step 6, acceleration transducer sensed described second pre-determined number gets rid of screen action, closes photo projection.
First and second pre-determined number described is identical.
First and second pre-determined number described is respectively twice.
If mobile terminal cannot search receiving end in described step 2, prompting user is arranged wireless network by client, and after mobile terminal and receiving end are set to consolidated network environment, that carries out the first pre-determined number to mobile terminal gets rid of screen action.
In described step 2, mobile terminal searches receiving end by Bonjour, WiFi-P2P or Upnp.
In described step 3, multihead display agreement comprises Airplay, Miracast, DLNA and Wifi Direct Display.
In described step 4, receiving end shows photo by HDMI serial line interface or USB interface at display terminal.
Beneficial effect of the present invention: the present invention opens by providing a kind of mobile terminal to get rid of screen the system and method projecting photo, on the basis of action recognition technology, carry out device talk in conjunction with DLNA, Miracast, Airplay and Wifi Direct Display multihead display agreement by wireless network, realize multi-screen interactive function.In receiving end wireless reception range, user gets rid of screen action by mobile terminal, can complete display and the shutoff operation of photo projection function.When opening photo projection function, do not need to find photo to project corresponding menu at mobile terminal, only need get rid of screen pre-determined number (as twice) in receiving end wireless reception range, can Show Picture on the screen of display terminal; In receiving end wireless reception range, get rid of pre-determined number (as twice) again, photo projection function can be closed.Simple to operation, meet the simple and practical demand of user.
In order to further understand feature of the present invention and technology contents, refer to following detailed description for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention describe in detail, will make technical scheme of the present invention and other beneficial effects apparent.
In accompanying drawing,
Fig. 1 is the schematic diagram that mobile terminal of the present invention gets rid of screen projection photo system;
Fig. 2 is the process flow diagram that mobile terminal of the present invention gets rid of the method for screen projection photo;
Fig. 3 is the implementation step figure that mobile terminal of the present invention gets rid of the method for screen projection photo;
Fig. 4 is the particular flow sheet that mobile terminal of the present invention gets rid of the step 3 of the method for screen projection photo.
Embodiment
For further setting forth the technological means and effect thereof that the present invention takes, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Refer to Fig. 1, first the present invention provides a kind of mobile terminal to get rid of the system of screen projection photo, comprising: mobile terminal, receiving end and display terminal; Described mobile terminal and receiving end are respectively equipped with wireless communication module, for setting up wireless connections and transmit photographic intelligence between mobile terminal and receiving end; Described receiving end is connected with display terminal communication, for the photographic intelligence received is presented at display terminal; Described mobile terminal comprises acceleration induction module and client modules;
Described acceleration induction module, gets rid of screen action for what respond to mobile terminal;
Described client modules, what sense for response acceleration induction module gets rid of screen action, opens or closes photo projection function;
Described mobile terminal at least supports a kind of multihead display agreement;
Described receiving end supports multiple multihead display agreement.
Concrete, described mobile terminal comprises iOS mobile terminal device and Android mobile terminal equipment.Described multihead display agreement comprises Airplay, Miracast, DLNA and Wifi Direct Display.Described acceleration induction module comprises an acceleration induction device.Described client modules comprises the client application that a mobile terminal gets rid of screen projection photo.The client application that described mobile terminal gets rid of screen projection photo comprises based on IOS systematic difference program and the application program based on Android system.Described based in IOS systematic difference program for detect mobile terminal get rid of screen action, introduce CoreMotion.framework framework, for accessing the related data of acceleration transducer, and be integrated with and send the algorithm of information based on the monitoring Sensor Events of IOS system and mobile terminal to receiving end, equipment Three-Dimensional Dynamic information accurately can be provided.Described based in the application program of Android system for detect mobile terminal get rid of screen action, introduce android.hardware.Sensor, android.hardware.SensorManager framework, for the related data of acceleration transducer can be accessed, and be integrated with and send the algorithm of information based on the monitoring Sensor Events of Android system and mobile terminal to receiving end, equipment Three-Dimensional Dynamic information accurately can be provided.Be electrically connected by HDMI serial line interface or USB interface between described receiving end and display terminal.Described receiving end also comprises Android system module.
Concrete, the algorithm of the described monitoring Sensor Events based on IOS system is:
-motionBegan:withEvent: perform when shake starts;
-motionEnded:withEvent: perform at the end of shake;
-motionCancelled:withEvent: perform when shake is cancelled.
The described algorithm sending information to receiving end based on the mobile terminal of IOS system is:
PUT/photo HTTP/1.1
X-Apple-AssetKey:ImageID
Content-Length:ImageDataLength
User-Agent:MediaControl/1.0
Wherein ImageID is the unique ID of photo; ImageDataLength is the length of message body, and picture converts binary length to.
The algorithm that the described monitoring Sensor Events based on Android system and mobile terminal send information to receiving end is:
Refer to Fig. 2-4, for mobile terminal provided by the invention gets rid of implementing procedure figure and the implementation step figure of the method for screen projection photo, as Figure 2-3, described mobile terminal gets rid of the method for screen projection photo, comprising:
Step 1, the opening installation client application in mobile terminal, that carries out the first pre-determined number to mobile terminal gets rid of screen action.
Wherein, described mobile terminal comprises iOS mobile terminal device and Android mobile terminal equipment.And all acceleration transducer is installed in mobile terminal.
Getting rid of screen action and search receiving end under the wireless network environment at mobile terminal place of this first pre-determined number responded to by acceleration transducer in step 2, mobile terminal, connects setting up wireless telecommunications by Tcp/Ip agreement between mobile terminal and the receiving end that searches thereof.
It should be noted that, the screen detection of getting rid of in described step 2 is what to be detected by the acceleration transducer being installed on mobile terminal inside.Acceleration transducer is one of fundamental measurement element of inertial navigation and inertial guidance system, and accelerometer is a concussion system in essence, is installed on article carrier inside, can be used for measuring the acceleration of motion of carrier, and detects the moving situation of carrier.
If mobile terminal cannot search receiving end in described step 2, prompting user is arranged wireless network by client, after mobile terminal and receiving end are set to consolidated network environment, carries out getting rid of screen action for twice to mobile terminal.
Further, as shown in Figure 4, will different agreements be chosen for different mobile devices when searching receiving end in described step 2 and client application by introducing different framework, be described in detail as follows,
When described mobile terminal is iOS mobile terminal device, described step 2 also comprises:
Step 21, client application perform Bonjour service or Wi-Fi P2P searches receiving end;
Step 22, to be served by Bonjour or Wi-Fi P2P registers the receiving end searched;
Step 23, set up network service by Transmission Control Protocol and receiving end;
Step 24, receive photographic intelligence by Transmission Control Protocol.
When described mobile terminal is Android mobile terminal equipment, when being searched mutually by Wi-Fi-P2P agreement, described step 2 also comprises:
Step 21, client application search receiving end by Wi-Fi-P2P agreement;
Step 22, according to Wi-Fi Direct technical manual, set up TCP and connect, a port for RTSP agreement will be created and manage and control work for follow-up Session simultaneously;
Step 23, receive photographic intelligence by Transmission Control Protocol.
When described mobile terminal is Android mobile terminal equipment, when being searched mutually by Upnp agreement, described step 2 also comprises:
Step 21, client application search receiving end by UPnp agreement, and Upnp agreement is by the equipment in the same LAN (Local Area Network) of SSDP protocol search;
Step 22, set up network service by Transmission Control Protocol and receiving end;
Step 23, receive photographic intelligence by Transmission Control Protocol.
When described mobile terminal is IOS mobile terminal device, in described step 2 for detect mobile terminal get rid of screen action, CoreMotion.framework framework is introduced in client application, for accessing the related data of acceleration transducer, and be integrated with and send the algorithm of information based on the monitoring Sensor Events of IOS system and mobile terminal to receiving end, equipment Three-Dimensional Dynamic information accurately can be provided.
When described mobile terminal is Android mobile terminal equipment, in described step 2 for detect mobile terminal get rid of screen action, android.hardware.Sensor, android.hardware.SensorManager framework is introduced in client application, for accessing the related data of acceleration transducer, and be integrated with and send the algorithm of information based on the monitoring Sensor Events of Android system and mobile terminal to receiving end, equipment Three-Dimensional Dynamic information accurately can be provided.
The multihead display agreement that step 3, receiving end select this mobile terminal to support according to different mobile terminals, by selected multihead display protocol transmission photographic intelligence.
In described step 3, multihead display agreement comprises Airplay, Miracast, DLNA and Wifi Direct Display.
The photographic intelligence received shows at display terminal by step 4, receiving end.
In described step 4, receiving end shows photo by HDMI serial line interface or USB interface at display terminal.
Step 5, display after, to mobile terminal can carry out again second time pre-determined number get rid of screen action.
What step 6, acceleration transducer second time sensed described second time pre-determined number gets rid of screen action, closes photo projection.
In sum, the present invention opens by providing a kind of mobile terminal to get rid of screen the system and method projecting photo, on the basis of action recognition technology, carry out device talk in conjunction with DLNA, Miracast, Airplay and Wifi Direct Display multihead display agreement by wireless network, realize multi-screen interactive function.In receiving end wireless reception range, user gets rid of screen action by mobile terminal, can complete display and the shutoff operation of photo projection function.When opening photo projection function, do not need to find photo to project corresponding menu at mobile terminal, only need get rid of screen pre-determined number (as twice) in receiving end wireless reception range, can Show Picture on the screen of display terminal; In receiving end wireless reception range, get rid of pre-determined number (as twice) again, photo projection function can be closed.Simple to operation, meet the simple and practical demand of user.
The above, for the person of ordinary skill of the art, can make other various corresponding change and distortion according to technical scheme of the present invention and technical conceive, and all these change and be out of shape the protection domain that all should belong to the claims in the present invention.
Claims (10)
1. mobile terminal gets rid of a system for screen projection photo, comprising: mobile terminal, receiving end and display terminal; Described mobile terminal and receiving end are respectively equipped with wireless communication module, for setting up wireless connections and transmit photographic intelligence between mobile terminal and receiving end; Described receiving end is connected with display terminal communication, for the photographic intelligence received is presented at display terminal; It is characterized in that, described mobile terminal comprises acceleration induction module and client modules;
Described acceleration induction module, gets rid of screen action for what respond to mobile terminal;
Described client modules, what sense for response acceleration induction module gets rid of screen action, opens or closes photo projection function;
Described mobile terminal at least supports a kind of multihead display agreement;
Described receiving end supports multiple multihead display agreement.
2. mobile terminal as claimed in claim 1 gets rid of the system of screen projection photo, and it is characterized in that, described mobile terminal comprises iOS mobile terminal device and Android mobile terminal equipment;
Described multihead display agreement comprises Airplay, Miracast, DLNA and Wifi Direct Display; Described acceleration induction module comprises an acceleration induction device.
3. mobile terminal as claimed in claim 1 gets rid of the system of screen projection photo, it is characterized in that, described client modules installs the client application that a mobile terminal gets rid of screen projection photo; The client application that described mobile terminal gets rid of screen projection photo comprises based on IOS systematic difference program and the application program based on Android system.
4. mobile terminal as claimed in claim 3 gets rid of the system of screen projection photo, it is characterized in that, described based in IOS systematic difference program for detect mobile terminal get rid of screen action, introduce CoreMotion.framework framework, for accessing the related data of acceleration transducer, and be integrated with and send the algorithm of information based on the monitoring Sensor Events of IOS system and mobile terminal to receiving end, equipment Three-Dimensional Dynamic information accurately can be provided.
5. mobile terminal as claimed in claim 3 gets rid of the system of screen projection photo, it is characterized in that, described based in the application program of Android system for detect mobile terminal get rid of screen action, introduce android.hardware.Sensor, android.hardware.SensorManager framework, for the related data of acceleration transducer can be accessed, and be integrated with and send the algorithm of information based on the monitoring Sensor Events of Android system and mobile terminal to receiving end, equipment Three-Dimensional Dynamic information accurately can be provided.
6. mobile terminal as claimed in claim 1 gets rid of the system of screen projection photo, it is characterized in that, is electrically connected between described receiving end and display terminal by HDMI serial line interface or USB interface; Described receiving end also comprises Android system module.
7. mobile terminal gets rid of a method for screen projection photo, it is characterized in that, comprising:
Step 1, the opening installation client application in mobile terminal, that carries out the first pre-determined number to mobile terminal gets rid of screen action;
Getting rid of screen action and search receiving end under the wireless network environment at mobile terminal place of this first pre-determined number responded to by acceleration transducer in step 2, mobile terminal, connects setting up wireless telecommunications by Tcp/Ip agreement between mobile terminal and the receiving end that searches thereof;
The multihead display agreement that step 3, receiving end select this mobile terminal to support according to different mobile terminals, by selected multihead display protocol transmission photographic intelligence;
The photographic intelligence received shows at display terminal by step 4, receiving end;
After step 5, display, the second pre-determined number is carried out to mobile terminal and gets rid of screen action;
What step 6, acceleration transducer sensed described second pre-determined number gets rid of screen action, closes photo projection.
8. mobile terminal as claimed in claim 7 gets rid of the method for screen projection photo, and it is characterized in that, first and second pre-determined number described is identical.
9. mobile terminal as claimed in claim 7 gets rid of the method for screen projection photo, and it is characterized in that, first and second pre-determined number described is respectively twice.
10. mobile terminal as claimed in claim 7 gets rid of the method for screen projection photo, it is characterized in that, if mobile terminal cannot search receiving end in described step 2, prompting user is arranged wireless network by client, after mobile terminal and receiving end are set to consolidated network environment, that carries out the first pre-determined number to mobile terminal gets rid of screen action; In described step 2, mobile terminal searches receiving end by Bonjour, WiFi-P2P or Upnp; In described step 3, multihead display agreement comprises Airplay, Miracast, DLNA and Wifi Direct Display; In described step 4, receiving end shows photo by HDMI serial line interface or USB interface at display terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610571.7A CN104331161A (en) | 2014-11-03 | 2014-11-03 | System and method for projecting picture by shaking screen of mobile terminal |
| PCT/CN2015/093420 WO2016070755A1 (en) | 2014-11-03 | 2015-10-30 | System and method for projecting photograph by swinging screen of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610571.7A CN104331161A (en) | 2014-11-03 | 2014-11-03 | System and method for projecting picture by shaking screen of mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104331161A true CN104331161A (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410610571.7A Pending CN104331161A (en) | 2014-11-03 | 2014-11-03 | System and method for projecting picture by shaking screen of mobile terminal |
Country Status (2)
| Country | Link |
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| CN (1) | CN104331161A (en) |
| WO (1) | WO2016070755A1 (en) |
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| CN104796572A (en) * | 2015-04-22 | 2015-07-22 | 深圳市美贝壳科技有限公司 | Picture projection display method |
| CN104883655A (en) * | 2015-04-09 | 2015-09-02 | 浙江嘉兴掌通网络科技有限公司 | Interactive media system based on low-power Bluetooth and interactive method |
| CN105430482A (en) * | 2015-09-29 | 2016-03-23 | 合一网络技术(北京)有限公司 | Multi-screen interaction method and terminal equipment |
| WO2016070755A1 (en) * | 2014-11-03 | 2016-05-12 | 深圳市美贝壳科技有限公司 | System and method for projecting photograph by swinging screen of mobile terminal |
| CN105681881A (en) * | 2015-11-06 | 2016-06-15 | 乐视移动智能信息技术（北京）有限公司 | Multimedia data transmission method based on mobile terminal, and mobile terminal |
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| CN106658111A (en) * | 2017-01-04 | 2017-05-10 | 北京竞业达数码科技有限公司 | Screen projection method and device |
| CN107995508A (en) * | 2017-12-04 | 2018-05-04 | 深圳华影芯科技有限公司 | A kind of brand-new iOS/Android system intelligent terminals mirror image is same to shield method and apparatus |
| CN109660815A (en) * | 2018-12-13 | 2019-04-19 | 圆动（上海）信息技术服务有限公司 | A kind of realization hotel multi-screen interactive dynamic management system and its method flow |
| CN111381791A (en) * | 2020-03-03 | 2020-07-07 | 北京文香信息技术有限公司 | Interactive system, method, equipment and storage medium |
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| CN106658111A (en) * | 2017-01-04 | 2017-05-10 | 北京竞业达数码科技有限公司 | Screen projection method and device |
| CN107995508A (en) * | 2017-12-04 | 2018-05-04 | 深圳华影芯科技有限公司 | A kind of brand-new iOS/Android system intelligent terminals mirror image is same to shield method and apparatus |
| CN109660815A (en) * | 2018-12-13 | 2019-04-19 | 圆动（上海）信息技术服务有限公司 | A kind of realization hotel multi-screen interactive dynamic management system and its method flow |
| CN109660815B (en) * | 2018-12-13 | 2021-07-30 | 圆动（上海）信息技术服务有限公司 | System and method for realizing multi-screen interaction dynamic management of hotel |
| CN111381791A (en) * | 2020-03-03 | 2020-07-07 | 北京文香信息技术有限公司 | Interactive system, method, equipment and storage medium |
| CN111381791B (en) * | 2020-03-03 | 2023-03-21 | 安徽文香科技有限公司 | Interactive system, method, equipment and storage medium |
| CN112511598A (en) * | 2020-11-09 | 2021-03-16 | 深圳康佳电子科技有限公司 | Screen projection display method, intelligent terminal and storage medium |
| CN113079404A (en) * | 2021-03-26 | 2021-07-06 | 宁波市鄞州区迦叶智能科技有限公司 | Fly screen interaction system applied to multiple fields |
| CN113473217A (en) * | 2021-06-23 | 2021-10-01 | 四川长虹电器股份有限公司 | Screen projection connection method, device and system |
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| WO2016070755A1 (en) | 2016-05-12 |
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