CN103442451A - Data wireless transmission method, device and system - Google Patents
Data wireless transmission method, device and system Download PDFInfo
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- CN103442451A CN103442451A CN2013103688057A CN201310368805A CN103442451A CN 103442451 A CN103442451 A CN 103442451A CN 2013103688057 A CN2013103688057 A CN 2013103688057A CN 201310368805 A CN201310368805 A CN 201310368805A CN 103442451 A CN103442451 A CN 103442451A
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Abstract
The invention provides a data wireless transmission method, device and system. The data wireless transmission method comprises the steps that a handheld device sends a search data frame through a local area network, a large-screen device receives and analyzes the search data frame, the large-screen device returns a response data frame to the handheld device when the device type of the large-screen device is matched with the type of a target device carried in the search data frame, the handheld device is in network communication connection with the large-screen device according to the response data frame, the handheld device sends the URL of multimedia data to the large-screen device through the network communication connection, and the large-screen device obtains output of the multimedia data according to the URL of multimedia data. By means of the data wireless transmission method, device and system, the multimedia data on the handheld device are transmitted to the large-screen device in a wireless mode to be played and displayed, multiple people can watch the multimedia data at the same time, and user experience is improved.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of methods, devices and systems of multi-medium data wireless transmission.
Background technology
At present, along with developing rapidly of wireless network, video, audio plays and browsing pictures etc. are downloaded or watched online to increasing user-selected use handheld device.It is little that handheld device based on Android system has a volume, the characteristics such as be easy to carry about with one, the multi-medium data such as displaying video or audio frequency whenever and wherever possible.
But handheld device is because volume is little, corresponding, the screen of handheld device is also little, is only suitable for a user and closely watches multi-medium data.The user, when enjoying handheld device portable, can only adopt the small screen to watch multi-medium data, and user's viewing experience is poor.And, handheld device is difficult to meet a plurality of users and watches multi-medium data simultaneously on handheld device, multi-medium data on handheld device is local data, in the time of can't from network, directly obtaining multi-medium data, a plurality of users can only use handheld device to be watched one by one, watch the efficiency of multi-medium data low and experience poor.
Summary of the invention
In view of this, the invention provides a kind of methods, devices and systems of data wireless transmission, the wireless network of setting up between handheld device and large screen equipment connects, and the multi-medium data of handheld device is exported to large screen equipment by wireless network transmissions.
A kind of method that data wireless sends, be applied to handheld device, and described method comprises:
Send the search data frame by local area network (LAN), described search data frame carries transmitting terminal IP and target device type, so that large screen equipment returns to responsive data frame according to the search data frame;
Receive the responsive data frame that large screen equipment returns, described responsive data frame carries the facility information of large screen equipment, and described facility information comprises equipment control URL;
Setting up network service according to described responsive data frame with large screen equipment is connected;
The URL of multi-medium data is connected and sends to large screen equipment by network service, so that large screen equipment obtains multi-medium data output according to the URL of media data.
Optionally, describedly send the search data frame by local area network (LAN) and comprise:
Send multicast search data frame or broadcast search Frame by local area network (LAN).
Optionally, described multi-medium data comprises:
Online multimedia data and local multi-medium data;
When described multi-medium data is local multi-medium data, described method also comprises:
Receive the multi-medium data request of large screen equipment, described multi-medium data request carries the URL of multi-medium data;
Obtain multi-medium data according to the URL of multi-medium data and send to large screen equipment.
Optionally, described method also comprises:
Control URL according to the equipment of large screen equipment and send control signaling to large screen equipment, described control signal is for adjusting the device parameter of large screen equipment.
A kind of method that data wireless receives, described method is applied to large screen equipment, and described method comprises:
Receive and resolve the search data frame, described search data frame carries transmitting terminal IP and target device type;
Judge whether and described target device type coupling;
When in described target device type coupling, according to transmitting terminal, IP returns to responsive data frame to handheld device, and described responsive data frame carries the facility information of large screen equipment, and described facility information comprises equipment control URL;
When setting up after network service is connected with handheld device, connect the URL of receiving multimedia data by network service;
Obtain multi-medium data output according to the URL of described multi-medium data.
Optionally,
Described multi-medium data comprises: online multimedia data and local multi-medium data;
When described multi-medium data is the online multimedia data, the described URL according to described multi-medium data obtains multi-medium data output and comprises:
Send the multi-medium data request to media server, described multi-medium data request carries the URL of described multi-medium data, so that described media server returns to described multi-medium data according to the URL of described multi-medium data;
Receive described multi-medium data output.
Optionally,
Described multi-medium data comprises: online multimedia data and local multi-medium data;
When described multi-medium data is local multi-medium data, the described URL according to described multi-medium data obtains multi-medium data output and comprises:
Send the multi-medium data request to handheld device, described multi-medium data request carries the URL of described multi-medium data, so that described handheld device is returned to described multi-medium data according to the URL of described multi-medium data;
Receive described multi-medium data output.
Optionally, described multi-medium data comprises:
Video data, voice data or image data;
When described multi-medium data is image data, described method also comprises:
The size of image data is carried out being shown after convergent-divergent again.
Optionally, described method also comprises:
Receive the control signal that handheld device sends;
Adjust device parameter according to described control command.
The device that a kind of data wireless sends, be applied to handheld device, and described device comprises:
The first transmitting element, for send the search data frame by local area network (LAN), described search data frame carries transmitting terminal IP and target device type, so that large screen equipment returns to responsive data frame according to the search data frame;
The first receiving element, the responsive data frame of returning for receiving large screen equipment, described responsive data frame carries the facility information of large screen equipment, and described facility information comprises equipment control URL;
Network connection unit, be connected for according to described responsive data frame, with large screen equipment, setting up network service;
The second transmitting element, connect and send to large screen equipment by network service for the URL by multi-medium data, so that large screen equipment obtains multi-medium data output according to the URL of media data.
The device that a kind of data wireless receives, described application of installation is in large screen equipment, and described device comprises:
The 3rd receiving element, for receiving and resolve the search data frame, described search data frame carries transmitting terminal IP and target device type;
Judging unit, for judging whether and described target device type coupling;
The 5th transmitting element, for when in described target device type coupling, according to transmitting terminal, IP returns to responsive data frame to handheld device, and described responsive data frame carries the facility information of large screen equipment, and described facility information comprises equipment control URL;
The 4th receiving element, for when setting up after network service is connected with handheld device, connect the URL of receiving multimedia data by network service;
Acquiring unit, obtain multi-medium data output for the URL according to described multi-medium data.
A kind of system of data wireless transmission, described system comprises:
The device that the described data wireless of the device that data wireless claimed in claim 10 sends and claim 11 receives.
As shown in the above, the present invention has following beneficial effect:
The invention provides a kind of method of data wireless transmission, device and system, described method comprises: handheld device sends the search data frame by local area network (LAN), large screen equipment receives and resolves the search data frame, in the device type of large screen equipment and search data frame during entrained target device type coupling, large screen equipment returns to responsive data frame to handheld device, handheld device is set up network service according to described responsive data frame with large screen equipment and is connected, handheld device connects the URL of multi-medium data to send to large screen equipment by network service, large screen equipment obtains multi-medium data output according to the URL of multi-medium data, realized the multi-medium data on handheld device is play on large screen equipment and shown by being wirelessly transmitted to, can many people watch multi-medium data simultaneously, improving the user experiences.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is embodiment of the method one flow chart that a kind of data wireless of the present invention sends;
Fig. 2 is embodiment of the method two flow charts that a kind of data wireless of the present invention receives;
Embodiment of the method three flow charts that Fig. 3 is a kind of data wireless transmission of the present invention;
Fig. 4 is device embodiment tetra-structural representations that a kind of data wireless of the present invention sends;
Fig. 5 is device embodiment five structural representations that a kind of data wireless of the present invention receives.
Embodiment
The invention provides a kind of methods, devices and systems of data wireless transmission, the multi-medium data of handheld device is exported to large screen equipment by wireless network transmissions, realize that many people watch multi-medium data simultaneously, improve the user and experience.
Below in conjunction with accompanying drawing, the specific embodiment of the invention is elaborated.
Embodiment mono-
Fig. 1 is embodiment of the method one flow chart that a kind of data wireless of the present invention sends, and is applied to handheld device, and described method comprises:
Step 101: send the search data frame by local area network (LAN), described search data frame carries transmitting terminal IP and target device type, so that large screen equipment returns to responsive data frame according to the search data frame.
Handheld device comprises that mobile phone, flat board etc. adopt the handheld device of andriod system.
DLNA(Digital Living Network Alliance is set on handheld device) in UPnP (Universal Plug and play, UPNP) function, in local area network (LAN), adopt User Datagram Protoco (UDP) (User Datagram Protocol, UDP) send the search data frame, described search data frame carries transmitting terminal IP(Internet Protocol) and target device type.
Describedly send the search data frame by local area network (LAN) two kinds of possible implementations arranged:
The implementation that the first is possible, send multicast search data frame by local area network (LAN).
In multicast search data frame, the multicast IP of employing is: 239.255.255.250, transmit port is 1900.
The implementation that the second is possible, send the broadcast search Frame by local area network (LAN).
In the broadcast search Frame, the broadcast IP of employing is: 255.255.255.255, transmit port is 8008.
Send the broadcast search Frame by local area network (LAN) and solved some large screen equipment and do not support multicasting technology, can not receive the problem of multicast search data frame.All large screen equipments in local area network (LAN) can receive broadcast data frame.When the device type of large screen equipment and target device type coupling, large screen equipment returns to responsive data frame according to transmitting terminal IP; When the device type of large screen equipment and target device type are not mated, large screen equipment does not return to responsive data frame.
Step 102: receive the responsive data frame that large screen equipment returns, described responsive data frame carries the facility information of large screen equipment.
Described facility information comprises: profile information, device id, receiving terminal IP, port, device name, equipment are controlled URL and device events URL.
When the device type of large screen equipment and target device type coupling, the device name of large screen equipment can be presented on handheld device.Handheld device can be set up network service with the large screen equipment shown and be connected.
Step 103: set up network service according to described responsive data frame with large screen equipment and be connected.
Carry the profile information of large screen equipment in responsive data frame, handheld device can directly be set up network service according to the profile information of large screen equipment and connect.Handheld device is set up TCP(Transmission Control Protocol with large screen equipment) be connected.
Step 104: the URL of multi-medium data is connected and sends to large screen equipment by network service, so that large screen equipment obtains multi-medium data output according to the URL of media data.
When handheld device need to send multi-medium data to the network equipment, handheld device is set up a HTTP(Hypertext transfer protocol with large screen equipment) be connected, the URL of multi-medium data is passed through to the SOAP(Simple Object Access Protocol, Simple Object Access Protocol) form sends to large screen equipment, when the URL of multi-medium data end of transmission, disconnect HTTP and connect.
Optionally, multi-medium data comprises local multi-medium data and online multimedia data, and when multi-medium data is local multi-medium data, described method also comprises:
Receive the multi-medium data request of large screen equipment, described multi-medium data request carries the URL of multi-medium data;
Obtain multi-medium data according to the URL of multi-medium data and send to large screen equipment.
When multi-medium data is local multi-medium data, large screen equipment sends the multi-medium data request to handheld device, handheld device is set up a HTTP with large screen equipment and is connected, according to described multi-medium data request, the URL of entrained multi-medium data obtains multi-medium data, pass through set up HTTP connection multi-medium data is sent to large screen equipment, after Multimedia Data Transmission finishes, close this HTTP and connect.
Optionally, described multi-medium data comprises:
Video data, voice data or image data.
Optionally, described method also comprises:
Control URL according to the equipment of large screen equipment and send control signaling to large screen equipment, described control signal is for adjusting the device parameter of large screen equipment.
Control URL when handheld device according to the equipment in the responsive data frame of large screen equipment and send described control command to large screen equipment, after large screen equipment receives described control command, according to the device parameter of the large screen equipment of described control command adjustment.
Embodiment bis-
Fig. 2 is embodiment of the method two flow charts that a kind of data wireless of the present invention receives, and is applied to large screen equipment, and described method comprises:
Step 201: receive and resolve the search data frame, described search data frame carries transmitting terminal IP and target device type.
How all large screen equipment in local area network (LAN) all can receive the search data frame that handheld device sends, and after large screen equipment receives the search data frame, the search data frame is resolved, and obtains IP and the target device type of transmitting terminal.
Step 202: judge whether and described target device type coupling, if so, perform step 203; If not, perform step 206.
Large screen equipment judges whether the target device type of handheld device mates with the device type of large screen equipment.
Step 203: according to transmitting terminal, IP returns to responsive data frame to handheld device, and described responsive data frame carries the facility information of large screen equipment.
Described facility information comprises: profile information, device id, receiving terminal IP, port, device name, equipment are controlled URL and device events URL.
When the device type of large screen equipment and target device type coupling, large screen equipment, according to the IP of transmitting terminal, returns to responsive data frame to handheld device.When handheld device receives the return data frame, select required large screen equipment, set up network service according to the return data frame of large screen equipment with large screen equipment and be connected.
Wherein, carry the profile information of large screen equipment in responsive data frame, rather than configuration file URL, handheld device without again according to configuration file URL to the large-size screen monitors device request profile information of choosing, can directly with large screen equipment, set up network service and be connected, accelerate the speed that handheld device is searched for large screen equipment.
Step 204: when setting up after network service is connected with handheld device, connect the URL of receiving multimedia data by network service.
After large screen equipment and handheld device have been set up TCP and have been connected, setting up a HTTP between handheld device and large screen equipment is connected, handheld device connects and adopts the SOAP form to send to large screen equipment the URL of multi-medium data by HTTP, after sending end, closes HTTP and connects.
Step 205: according to the URL of described multi-medium data, obtain multi-medium data output.
Multi-medium data comprises local multi-medium data and online multimedia data, after large screen equipment receives the URL of multi-medium data, obtains multi-medium data and is exported, and two kinds of possible execution modes are arranged:
The execution mode that the first is possible, when described multi-medium data is the online multimedia data:
Send the multi-medium data request to media server, described multi-medium data request carries the URL of described multi-medium data, so that described media server returns to described multi-medium data according to the URL of described multi-medium data;
Receive described multi-medium data output.
Large screen equipment obtains multi-medium data according to the URL of multi-medium data from media server and is exported.As: large screen equipment comprises Digital Media stream handle (Digital Media Render, DMR) and player, when multi-medium data is video data or voice data, DMR sends to player by the URL of multi-medium data, and player obtains multi-medium data from media server and play.When multi-medium data is image data, DMR directly obtains image data according to the URL of image data from picture servers and is shown.
Optionally, when multi-medium data is image data, described method also comprises:
The size of image data is carried out being shown after convergent-divergent again.
As: DMR can carry out convergent-divergent to picture according to the size of picture, prevents that image data from can't show too greatly.
The execution mode that the second is possible, when described multi-medium data is local multi-medium data:
Send the multi-medium data request to handheld device, described multi-medium data request carries the URL of described multi-medium data, so that described handheld device is returned to described multi-medium data according to the URL of described multi-medium data;
Receive described multi-medium data output.
Large screen equipment obtains multi-medium data according to the URL of multi-medium data from handheld device and is exported.As: when multi-medium data is video or voice data, the DMR of large screen equipment sends to the URL of multi-medium data the player of large screen equipment, and player obtains video or voice data is play from handheld device.When multi-medium data is image data, the DMR of screen equipment from handheld device is obtained image data, carries out convergent-divergent to image data according to the URL of image data greatly, the image data after the demonstration convergent-divergent.
Step 206: return to error code.
When the device type of large screen equipment and target type are not mated, do not return to responsive data frame, return to error code.
Optionally, described method also comprises:
Receive the control signal that handheld device sends;
Adjust device parameter according to described control command.
Large screen equipment receives the control signal that handheld device sends, according to broadcasting, time-out, the fast forwarding and fast rewinding of the large screen equipment of described control signal adjustment and the play parameter such as stop.
As shown in the above, the present invention has following beneficial effect:
The invention provides a kind of method of data wireless transmission, described method comprises: handheld device sends the search data frame by local area network (LAN), large screen equipment receives and resolves the search data frame, in the device type of large screen equipment and search data frame during entrained target device type coupling, large screen equipment returns to responsive data frame to handheld device, handheld device is set up network service according to described responsive data frame with large screen equipment and is connected, handheld device connects the URL of multi-medium data to send to large screen equipment by network service, large screen equipment obtains multi-medium data output according to the URL of multi-medium data, realized the multi-medium data on handheld device is play on large screen equipment and shown by being wirelessly transmitted to, can many people watch multi-medium data simultaneously, improving the user experiences.
Embodiment tri-
Embodiment of the method three flow charts that Fig. 3 is a kind of data wireless transmission of the present invention, embodiment tri-describes the integral body of whole transfer of data, and described method comprises:
Step 301: handheld device sends the search data frame by local area network (LAN).
Described search data frame carries transmitting terminal IP and target device type.Handheld device can send multicast search data frame or broadcast search Frame when sending the search data frame.
Step 302: large screen equipment receives and resolves the search data frame.
Described search data frame carries transmitting terminal IP and target device type.All large screen equipment in local area network (LAN) can receive the search data frame and resolve.
Step 303: large screen equipment judges whether and described target device type coupling, if so, performs step 304; If not, carry out 310.
Step 304: large screen equipment returns to responsive data frame according to transmitting terminal IP to handheld device.
Described responsive data frame carries the facility information of large screen equipment, and described facility information comprises: profile information, device id, receiving terminal IP, port, device name, equipment are controlled URL and device events URL.
When the device type of large screen equipment and target device type coupling, to handheld device, return to responsive data frame.
Step 305: handheld device receives the responsive data frame that large screen equipment returns.
Step 306: handheld device is set up network service according to described responsive data frame with large screen equipment and is connected.
Show the device name of large screen equipment on handheld device, set up network service with receiving terminal IP with the port of equipment according to profile information and be connected.
Step 307: handheld device connects the URL of multi-medium data to send to large screen equipment by network service.
Before the URL of a multi-medium data of the every transmission of handheld device, set up a HTTP with large screen equipment and be connected, after being sent, closing HTTP and connect.
Step 308: large screen equipment connects the URL of receiving multimedia data by network service.
Step 309: large screen equipment obtains multi-medium data output according to the URL of described multi-medium data.
When described multi-medium data is the online multimedia data, large screen equipment obtains multi-medium data according to the URL of described multi-medium data from media server;
When described multi-medium data is local multi-medium data, large screen equipment obtains multi-medium data according to the URL of described multi-medium data from handheld device.
Video data and voice data, by the player output of large screen equipment, are shown after the DMR convergent-divergent of image data by large screen equipment.
Step 310: handheld device is controlled URL according to the equipment of large screen equipment and is sent control signaling to large screen equipment.
Described control signal is for adjusting the device parameter of large screen equipment.
Step 311: large screen equipment receives the control signal that handheld device sends.
Step 312: large screen equipment is adjusted device parameter according to described control command.
Large screen equipment is according to control command adjustment broadcasting, time-out, fast forwarding and fast rewinding and the device parameter such as stop.
Step 313: large screen equipment returns to error code.
When the device type of large screen equipment and target type are not mated, do not return to responsive data frame, return to error code.
Embodiment tetra-
Fig. 4 is device embodiment tetra-structural representations that a kind of data wireless of the present invention sends, and corresponding to the described method of embodiment mono-, described device comprises:
The first transmitting element 401, for send the search data frame by local area network (LAN), described search data frame carries transmitting terminal IP and target device type, so that large screen equipment returns to responsive data frame according to the search data frame.
Optionally, described the first transmitting element 401 comprises:
First sends subelement, for send multicast search data frame by local area network (LAN).
Optionally, described the first transmitting element 401 comprises:
Second sends subelement, for send the broadcast search Frame by local area network (LAN).
The first receiving element 402, the responsive data frame of returning for receiving large screen equipment, described responsive data frame carries the facility information of large screen equipment.
Described facility information comprises: profile information, device id, receiving terminal IP, port, device name, equipment are controlled URL and device events URL.
The second transmitting element 404, connect and send to large screen equipment by network service for the URL by multi-medium data, so that large screen equipment obtains multi-medium data output according to the URL of media data.
Optionally, when described multi-medium data is local multi-medium data, described device also comprises:
The second receiving element, for receiving the multi-medium data request of large screen equipment, described multi-medium data request carries the URL of multi-medium data;
The 3rd transmitting element, obtain multi-medium data for the URL according to multi-medium data and send to large screen equipment.
Optionally, described device also comprises:
The 4th transmitting element, control URL for the equipment according to large screen equipment and send control signaling to large screen equipment, and described control signal is for adjusting the device parameter of large screen equipment.
Embodiment five
Fig. 5 is device embodiment five structural representations that a kind of data wireless of the present invention receives, and corresponding to the described method of embodiment bis-, described device comprises:
The 3rd receiving element 501, for receiving and resolve the search data frame, described search data frame carries transmitting terminal IP and target device type.
Judging unit 502, for judging whether and described target device type coupling.
The 5th transmitting element 503, for when in described target device type coupling, according to transmitting terminal, IP returns to responsive data frame to handheld device, and described responsive data frame carries the facility information of large screen equipment.
Described facility information comprises: profile information, device id, receiving terminal IP, port, device name, equipment are controlled URL and device events URL.
The 4th receiving element 504, for when setting up after network service is connected with handheld device, connect the URL of receiving multimedia data by network service.
Acquiring unit 505, obtain multi-medium data output for the URL according to described multi-medium data.
Optionally, when described multi-medium data is the online multimedia data, described acquiring unit 505 comprises:
The first request subelement, for to media server, sending the multi-medium data request, described multi-medium data request carries the URL of described multi-medium data, so that described media server returns to described multi-medium data according to the URL of described multi-medium data;
The first output subelement, for receiving described multi-medium data output.
Optionally, when described multi-medium data is local multi-medium data, described acquiring unit 505 comprises:
The second request subelement, for to handheld device, sending the multi-medium data request, described multi-medium data request carries the URL of described multi-medium data, so that described handheld device is returned to described multi-medium data according to the URL of described multi-medium data;
The second output subelement, for receiving described multi-medium data output.
Optionally, when described multi-medium data is image data, described device also comprises:
Unit for scaling, carry out being shown after convergent-divergent for the size to image data again.
Optionally, described device also comprises:
The 5th receiving element, the control signal sent for receiving handheld device;
Adjustment unit, for adjusting device parameter according to described control command.
Embodiment six
The system of a kind of data wireless transmission of the present invention, described system comprises the device of the described a kind of data wireless transmission of embodiment tetra-and the device that the described a kind of data wireless of embodiment five receives.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. the method that data wireless sends, is characterized in that, be applied to handheld device, described method comprises:
Send the search data frame by local area network (LAN), described search data frame carries transmitting terminal IP and target device type, so that large screen equipment returns to responsive data frame according to the search data frame;
Receive the responsive data frame that large screen equipment returns, described responsive data frame carries the facility information of large screen equipment, and described facility information comprises equipment control URL;
Setting up network service according to described responsive data frame with large screen equipment is connected;
The URL of multi-medium data is connected and sends to large screen equipment by network service, so that large screen equipment obtains multi-medium data output according to the URL of media data.
2. method according to claim 1, is characterized in that, describedly sends the search data frame by local area network (LAN) and comprise:
Send multicast search data frame or broadcast search Frame by local area network (LAN).
3. method according to claim 1, is characterized in that, described multi-medium data comprises:
Online multimedia data and local multi-medium data;
When described multi-medium data is local multi-medium data, described method also comprises:
Receive the multi-medium data request of large screen equipment, described multi-medium data request carries the URL of multi-medium data;
Obtain multi-medium data according to the URL of multi-medium data and send to large screen equipment.
4. according to the described method of claim 1-3 any one, it is characterized in that, described method also comprises:
Control URL according to the equipment of large screen equipment and send control signaling to large screen equipment, described control signal is for adjusting the device parameter of large screen equipment.
5. the method that data wireless receives, is characterized in that, described method is applied to large screen equipment, and described method comprises:
Receive and resolve the search data frame, described search data frame carries transmitting terminal IP and target device type;
Judge whether and described target device type coupling;
When in described target device type coupling, according to transmitting terminal, IP returns to responsive data frame to handheld device, and described responsive data frame carries the facility information of large screen equipment, and described facility information comprises equipment control URL;
When setting up after network service is connected with handheld device, connect the URL of receiving multimedia data by network service;
Obtain multi-medium data output according to the URL of described multi-medium data.
6. method according to claim 5, is characterized in that,
Described multi-medium data comprises: online multimedia data and local multi-medium data;
When described multi-medium data is the online multimedia data, the described URL according to described multi-medium data obtains multi-medium data output and comprises:
Send the multi-medium data request to media server, described multi-medium data request carries the URL of described multi-medium data, so that described media server returns to described multi-medium data according to the URL of described multi-medium data;
Receive described multi-medium data output.
7. method according to claim 5, is characterized in that,
Described multi-medium data comprises: online multimedia data and local multi-medium data;
When described multi-medium data is local multi-medium data, the described URL according to described multi-medium data obtains multi-medium data output and comprises:
Send the multi-medium data request to handheld device, described multi-medium data request carries the URL of described multi-medium data, so that described handheld device is returned to described multi-medium data according to the URL of described multi-medium data;
Receive described multi-medium data output.
8. method according to claim 5, is characterized in that, described multi-medium data comprises:
Video data, voice data or image data;
When described multi-medium data is image data, described method also comprises:
The size of image data is carried out being shown after convergent-divergent again.
9. according to the described method of claim 5-8 any one, it is characterized in that, described method also comprises:
Receive the control signal that handheld device sends;
Adjust device parameter according to described control command.
10. the device that data wireless sends, is characterized in that, be applied to handheld device, described device comprises:
The first transmitting element, for send the search data frame by local area network (LAN), described search data frame carries transmitting terminal IP and target device type, so that large screen equipment returns to responsive data frame according to the search data frame;
The first receiving element, the responsive data frame of returning for receiving large screen equipment, described responsive data frame carries the facility information of large screen equipment, and described facility information comprises equipment control URL;
Network connection unit, be connected for according to described responsive data frame, with large screen equipment, setting up network service;
The second transmitting element, connect and send to large screen equipment by network service for the URL by multi-medium data, so that large screen equipment obtains multi-medium data output according to the URL of media data.
11. the device that data wireless receives is characterized in that described application of installation is in large screen equipment, described device comprises:
The 3rd receiving element, for receiving and resolve the search data frame, described search data frame carries transmitting terminal IP and target device type;
Judging unit, for judging whether and described target device type coupling;
The 5th transmitting element, for when in described target device type coupling, according to transmitting terminal, IP returns to responsive data frame to handheld device, and described responsive data frame carries the facility information of large screen equipment, and described facility information comprises equipment control URL;
The 4th receiving element, for when setting up after network service is connected with handheld device, connect the URL of receiving multimedia data by network service;
Acquiring unit, obtain multi-medium data output for the URL according to described multi-medium data.
12. the system of a data wireless transmission, is characterized in that, described system comprises:
The device that the described data wireless of the device that data wireless claimed in claim 10 sends and claim 11 receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103688057A CN103442451A (en) | 2013-08-21 | 2013-08-21 | Data wireless transmission method, device and system |
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| CN107222845A (en) * | 2017-05-31 | 2017-09-29 | 西安诺瓦电子科技有限公司 | The broadcast control method and Broadcast Control device of display screen control card |
| CN109815032A (en) * | 2019-01-24 | 2019-05-28 | 北京三快在线科技有限公司 | A kind of communication means, device and storage medium |
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Application publication date: 20131211 |