CN103618884A - Video transmission method, device and tablet computer - Google Patents
Video transmission method, device and tablet computer Download PDFInfo
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- CN103618884A CN103618884A CN201310689923.8A CN201310689923A CN103618884A CN 103618884 A CN103618884 A CN 103618884A CN 201310689923 A CN201310689923 A CN 201310689923A CN 103618884 A CN103618884 A CN 103618884A
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Abstract
The invention discloses a video transmission method, device and tablet computer. The video transmission method is applied to a tablet computer, and the video transmission method comprises the steps of firstly obtaining information related to video information to be transmitted; then collecting the video information from a front-end storage device according to the related information, wherein the method of collecting the video information at least comprises virtual collection; transmitting the collected video information to a corresponding monitoring system under the situation that the tablet computer has a transmission right. Through the video transmission method disclosed by the invention, the video information stored in the front-end storage device can be obtained and transmitted to the corresponding monitoring system, so that the monitoring system can utilize the video information and the video information can be further effectively utilized.
Description
Technical field
The present invention relates to field of information processing, particularly relate to a kind of video transmission method, device and panel computer.
Background technology
At present in some public domains; in government region; foundation has video acquisition system; the supervisory control system that described video acquisition system is corresponding with it, as public security system is connected, can gather the video information of described public domain; and by described video information transmission to the described public security maintenance system being connected; so that described monitoring maintenance system is based on described video information, the order that maintains public order, protection citizen's personal safety, the freedom of person and lawful propety.
But, inventor finds in the application's research process, in prior art, video acquisition system major part is built by focal pointe independently, the video information great majority that collect are stored to separately separately independently in memory device, cannot make other supervisory control system utilization, thereby can not make described video information be effectively utilized.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of video transmission method, device and panel computer, to solve in prior art, be stored in the problem that the video information in memory device independently can not be effectively utilized, specific embodiments is as follows:
A video transmission method, is applied to panel computer, and described video transmission method comprises:
Obtain the descriptor of video information waiting for transmission;
According to described descriptor, from store the front-end stores equipment of described video information, gather described video information, wherein, the mode that gathers described video information at least comprises: virtual collection;
Judge whether to there is transmitting rights, and determine while thering is transmitting rights according to judged result, by the described video information transmission collecting to corresponding supervisory control system.
Preferably, the method for the described video information of described collection also comprises: resource imports collection, audio collection and record screen and gathers.
Preferably, described video transmission method also comprises:
Obtain authority configuration information, and according to described authority configuration information, the transmitting rights to described supervisory control system is set.
Preferably, described video transmission method also comprises:
Obtain log processing request, wherein said log processing request comprises: request is derived in log query request and daily record;
According to described log processing request, carry out corresponding log processing operation, wherein, when described log processing request is log query request, show corresponding daily record, when described log processing request is daily record derivation request, daily record is exported to corresponding device.
Preferably, described video transmission method also comprises:
From described front-end stores equipment, gather after described video information, according to the descriptor of described video information, determine described front-end stores equipment, and/or the collection point of described video information;
Show that mark has described front-end stores equipment, and/or the map image in the geographical position of described collection point.
Accordingly, the invention also discloses a kind of video frequency transmitter, be applied to panel computer, described video frequency transmitter comprises:
Descriptor acquisition module, for obtaining the descriptor of video information waiting for transmission;
Acquisition module for according to described descriptor, gathers described video information from store the front-end stores equipment of described video information, and wherein, the mode that gathers described video information at least comprises: virtual collection;
Transport module, has transmitting rights for judging whether, and determines while having transmitting rights according to judged result, by the described video information transmission collecting to corresponding supervisory control system.
Preferably, described video frequency transmitter also comprises:
Authority arranges module, for obtaining authority configuration information, and according to described authority configuration information, the transmitting rights to described supervisory control system is set.
Preferably, described video frequency transmitter also comprises:
Log processing request acquisition module, for obtaining log processing request, wherein said log processing request comprises: request is derived in log query request and daily record;
Process operational module, for according to described log processing request, carry out corresponding log processing operation, wherein, when described log processing request is log query request, show corresponding daily record, when described log processing request is daily record derivation request, daily record is exported to corresponding device.
Preferably, described video frequency transmitter also comprises:
Determination module, for gathering described video information from described front-end stores equipment, according to the descriptor of described video information, determines described front-end stores equipment, and/or the collection point of described video information;
Display module, for showing that mark has described front-end stores equipment, and/or the map image in the geographical position of described collection point.
Accordingly, the invention also discloses a kind of panel computer, in the processor of described panel computer, be integrated with video frequency transmitter as above.
The disclosed video transmission method of the application, be applied to a kind of panel computer, first described video transmission method obtains the relevant information of video information waiting for transmission, then according to described relevant information, from front end memory device, gather described video information, wherein, the mode of the described video information of described collection at least comprises: virtual collection, and in the situation that described panel computer has transmitting rights, by the extremely corresponding supervisory control system of the described video information transmission collecting.
By the disclosed video transmission method of the application, can obtain the video information of storing in front-end stores equipment, and transmit it to corresponding supervisory control system, thus described supervisory control system can be utilized described video information, make described video information obtain effective utilization.
Further, in the disclosed video transmission method of the application, can also show that mark has front-end stores equipment corresponding to described video information, and/or the map image in the geographical position of collection point, thereby be convenient to staff's direct feel to the geographical position of front-end stores equipment and collection point.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the workflow schematic diagram of the disclosed a kind of video transmission method of the embodiment of the present invention;
Fig. 2 is the workflow schematic diagram of disclosed another video transmission method of the embodiment of the present invention;
Fig. 3 is the workflow schematic diagram of disclosed another video transmission method of the embodiment of the present invention;
Fig. 4 is the structural representation of the disclosed a kind of video frequency transmitter of the embodiment of the present invention;
Fig. 5 is the annexation schematic diagram of the disclosed a kind of panel computer of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In order to solve, prior art exists, the video information collecting is stored to separately in memory device separately, cannot make other supervisory control system utilization, thereby can not make described video information be effectively utilized this problem, the application discloses a kind of video transmission method, and described video transmission method is applied to panel computer.
Embodiment mono-
Workflow schematic diagram shown in Figure 1, the disclosed described video transmission method of the application comprises the following steps:
Step S11, obtain the descriptor of video information waiting for transmission.
When the collection gathering, conventionally by the video acquisition device that is arranged on collection point, realize the collection to video information.Described collection point refers to the place that gathers described video information, for example, when described video information collection be the associated video information in some markets time, described market is called to collection point, conventionally by the video camera that is arranged on collection point, or other video acquisition device, realizes the collection to video information.
In addition, when video acquisition device collects after video information, described video information transmission can be stored to front-end stores equipment, wherein said front-end stores equipment comprises NVR (Network Video Recorder, network hard disk video recorder) and DVR(Digital Video Recorder, digital video recorder) etc.In a described front-end stores equipment, conventionally store the video information of more than one collection point.
The corresponding relation of wherein said collection point and front-end stores equipment room, conventionally pre-stored in carrying out the panel computer of the disclosed video transmission method of the application, thereby when video information corresponding to a certain collection point of inquiry, can pass through described corresponding relation, determine the front-end stores equipment that stores described video information.
When needs transmission of video information, first need to obtain the descriptor of described video information.Wherein, described descriptor can be the title, numbering of video information waiting for transmission etc., certainly, can be also other forms, conventionally by user, is inputted, so that according to described descriptor, determines described video information waiting for transmission from described front-end stores equipment.
Step S12, according to described descriptor, from store the front-end stores equipment of described video information, gather described video information, wherein, the mode that gathers described video information at least comprises: virtual collection.
Described virtual collection, refers to the mode connecting by network, is connected, and after connection, reads the video information in described front-end stores equipment with front-end stores equipment, and the mode of then downloading by this locality is obtained described video information.
Step S13, judge whether to there is transmitting rights, and determine while thering is transmitting rights according to judged result, by the described video information transmission collecting to corresponding supervisory control system.
The disclosed video transmission method of the application, be applied to a kind of panel computer, first described video transmission method obtains the relevant information of video information waiting for transmission, then according to described relevant information, from front end memory device, gather described video information, the method for the described video information of wherein said collection, at least comprises virtual collection, and in the situation that described panel computer has transmitting rights, by the extremely corresponding supervisory control system of the described video information transmission collecting.
By the disclosed video transmission method of the application, can obtain the video information of storing in front-end stores equipment, and transmit it to corresponding supervisory control system, thus described supervisory control system can be utilized described video information, make described video information obtain effective utilization.
In addition, the application also provides other various ways to realize the collection to described video information waiting for transmission, as resource imports collection, audio collection and record screen, gathers.Wherein, resource imports and gathers this acquisition mode, refers to carrying out the mobile phone plane plate computer of transmission of video, is connected with USB flash memory driver or other memory devices, by this memory device, gathers video information wherein; Audio collection refers to, and records, thereby obtain audio-frequency information waiting for transmission by the built-in microphone of described mobile phone plane plate computer; By record, shield collection and refer to, use the built-in camera of mobile phone plane plate computer to take, complete screen recording collection, obtain image information waiting for transmission, described audio-frequency information and described image information have formed video information waiting for transmission jointly.
In addition, while obtaining video information from described front-end stores equipment, can also adopt some third-party application tools, coordinated the collection of video information, for example, described third party's application tool is that video beautifies application, can beautify the video information collecting, increase the definition of video information, be convenient to the utilization to described video information.
Described video information transmission when the described supervisory control system, can be adopted to the 4th third-generation mobile communication technology.The data rate of the 4th epoch mobile communication technology is brought up to 100Mb/s from 2Mb/s, transmits faster.The Internet Transmission of the wi-fi of backward compatible support 3G network, and support simultaneously.So just can under heterogeneous networks condition, complete video upload function.Certainly, also can adopt other transmission technologys, the application is not construed as limiting this.
Wherein, described supervisory control system can be public security system.In prior art, the video acquisition system that independently focal pointe builds, after video information is gathered, be conventionally stored in the memory device of self correspondence, and public security system cannot be utilized it.The method of utilizing the application to provide can be convenient to the utilization of described public security system to described video information by described video information transmission to public security system, and order better maintains public order.
For example, when described supervisory control system is public security system, due to public security system of the prior art, can only obtain the video that the self-built video acquisition system of public security organization collects.And most video acquisition system is built by focal pointe independently, the video information collecting also great majority is stored in memory device separately, cannot make other supervisory control system, as public security system utilization, when there is case in certain place, and this place is not while installing the video acquisition system of public security organization, tends to affect the detection of case.
In this case, can adopt the disclosed video transmission method of the application, in the method, first obtain the descriptor of video information waiting for transmission, in described descriptor, the title or the numbering that comprise the video information that case is corresponding, can also comprise in addition collection point information that time, the type (as homicide case, arson case, burglary etc.) of case, the character (as criminal case, case involving public security etc.) of case and crime place that case occurs are corresponding etc., in addition, can also comprise other descriptors to case.
Staff is according to video information waiting for transmission, its corresponding descriptor is transferred in the panel computer of the video transmission method of carrying out the application, can be according to described descriptor, search corresponding front-end stores equipment, and from described front-end stores equipment, gather video information corresponding to described descriptor, and by described panel computer when thering is transmitting rights, by described video information transmission in described public security system.Public security system, when getting described video information, can be checked described video information, thereby play, maintains public order, and the object of fighting crime.
Further, the disclosed video transmission method of the application also comprises:
Obtain authority configuration information, and according to described authority configuration information, the transmitting rights to described supervisory control system is set.
In order to ensure the fail safe in transmission of video process, the panel computer that the application is transmission of video information is provided with the authority of transmission.Wherein said authority configuration information is inputted by user conventionally, and for example, by the mode of user management, input has the relevant information of the panel computer of transmitting rights, and modifies where necessary and delete.
Further, workflow schematic diagram shown in Figure 2, described video transmission method also comprises:
Step S14, obtain log processing request, wherein said log processing request comprises: request is derived in log query request and daily record.
Wherein, the daily record that described log processing request is corresponding, comprises Operation Log and system journal.Operation Log refers to the record in user's operating process, and system journal refers to the daily record that system is built-in, and such as info announcement information, the error message of bug webpage, facilitates the ruuning situation of positioning equipment.
Step S15, according to described log processing request, carry out the operation of corresponding log processing, wherein, when described log processing request is log query request, show corresponding daily record, when described log processing request is daily record derivation request, daily record is exported to corresponding device.
By step S14 and step S15, can obtain operation information according to described daily record, and inquiry fault message, be convenient to realize the investigation to fault.
Embodiment bis-
The application's embodiment bis-discloses a kind of video transmission method, and described video transmission method is applied to panel computer, workflow schematic diagram shown in Figure 3, and described video transmission method comprises:
Step S21, obtain the descriptor of video information waiting for transmission.
Step S22, according to described descriptor, from store the front-end stores equipment of described video information, gather described video information, wherein, the mode that gathers described video information at least comprises: virtual collection.
Step S23, judge whether to there is transmitting rights, and determine while thering is transmitting rights according to judged result, by the described video information transmission collecting to corresponding supervisory control system.
In embodiment bis-, step S21 is to the implementation process and embodiment mono-of step S23, and step S11 is identical to the implementation process of step S13, can cross-reference, then this repeats no more.
Step S24, from described front-end stores equipment, gather after described video information, according to the descriptor of described video information, determine described front-end stores equipment, and/or the collection point of described video information.
Step S25, demonstration mark have described front-end stores equipment, and/or the map image in the geographical position of described collection point.
According to the descriptor of described video information, can determine the front-end stores equipment that stores described video information, and/or gather the collection point of described video information.Then, in described panel computer, show that mark has described front-end stores equipment, and/or the geographical position of described collection point.In this case, be conducive to staff by described map image, experience intuitively the geographical position of front-end stores equipment and collection point.
In addition, in described map image, when there being plural front-end stores equipment, and/or during collection point, can also be by described front-end stores equipment, and/or collection point line, form a video track, be convenient to staff and check.
In the application's embodiment bis-, a kind of video transmission method is disclosed, in the method, first obtain the descriptor of video information waiting for transmission, then according to described descriptor, from store the front-end stores equipment of described video information, gather corresponding video information, then when thering is transmitting rights, described video information transmission, to corresponding supervisory control system, is convenient to the utilization of each supervisory control system to described video information.And, in the disclosed video transmission method of the application, show that mark has front-end stores equipment corresponding to described video information, and/or the map image in the geographical position of collection point, thereby be convenient to staff's direct feel to the geographical position of front-end stores equipment and collection point.
Embodiment tri-
Accordingly, the invention also discloses a kind of video frequency transmitter, described video frequency transmitter is applied to panel computer, structural representation shown in Figure 4, described video frequency transmitter comprises: descriptor acquisition module 11, acquisition module 12 and transport module 13, wherein
Described descriptor acquisition module 11, for obtaining the descriptor of video information waiting for transmission;
Described acquisition module 12 for according to described descriptor, gathers described video information from store the front-end stores equipment of described video information, and wherein, the mode that gathers described video information at least comprises: virtual collection;
Described transport module 13, has transmitting rights for judging whether, and determines while having transmitting rights according to judged result, by the described video information transmission collecting to corresponding supervisory control system.
By the disclosed video frequency transmitter of the application, can obtain the video information of storing in front-end stores equipment, and transmit it to corresponding supervisory control system, thus described supervisory control system can be utilized described video information, make described video information obtain effective utilization.
In addition, in described acquisition module 12, for gathering the method for video information, can also comprise: resource imports the modes such as collection, audio collection and the collection of record screen.
Further, described video frequency transmitter also comprises: authority arranges module, and described authority arranges module for obtaining authority configuration information, and according to described authority configuration information, the transmitting rights to described supervisory control system is set.
Further, described video frequency transmitter also comprises: log processing request acquisition module and processing operational module, wherein,
Described log processing request acquisition module, for obtaining log processing request, wherein said log processing request comprises: request is derived in log query request and daily record;
Described processing operational module, for according to described log processing request, carries out corresponding log processing operation, wherein, when described log processing request is log query request, show corresponding daily record, when described log processing request is daily record derivation request, daily record is exported to corresponding device.
Further, described video frequency transmitter also comprises: determination module and display module, wherein,
Described determination module, for gathering described video information from described front-end stores equipment, according to the descriptor of described video information, determines described front-end stores equipment, and/or the collection point of described video information;
Described display module, for showing that mark has described front-end stores equipment, and/or the map image in the geographical position of described collection point.
Accordingly, disclosed herein as well is a kind of panel computer, in the processor of described panel computer, be integrated with Video transmission system as above.
The disclosed panel computer of the application, for gathering video information waiting for transmission, and by described video information transmission waiting for transmission to supervisory control system, so that described supervisory control system is utilized described video information.In addition, in panel computer, be conventionally built-in with high speed solid hard disk, can gather fast video information waiting for transmission, save video information and gather institute's time spent.Further, panel computer is the video information transmission collecting during to supervisory control system, can be adopted to multiple transmission means, as the 4th third generation mobile communication network, i.e. and 4G network, thus realize the fast transport to video information.
The annexation schematic diagram of panel computer shown in Figure 5, in this schematic diagram, video information waiting for transmission is respectively the video information of certain school and the video information of certain community, and supervisory control system is public security system.In the corresponding application scenarios of described framework schematic diagram, panel computer is carried out the disclosed video transmission method of the application, when needs carry out transmission of video, gather the video information of described school and the video information of described community, and when thering is transmitting rights, described panel computer by described video information transmission to public security system, thereby make public security system can utilize described video information.
Those of ordinary skills can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.
If described function usings that the form of SFU software functional unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a video transmission method, is applied to panel computer, it is characterized in that, described video transmission method comprises:
Obtain the descriptor of video information waiting for transmission;
According to described descriptor, from store the front-end stores equipment of described video information, gather described video information, wherein, the mode that gathers described video information at least comprises: virtual collection;
Judge whether to there is transmitting rights, and determine while thering is transmitting rights according to judged result, by the described video information transmission collecting to corresponding supervisory control system.
2. method according to claim 1, is characterized in that, the method for the described video information of described collection also comprises:
Resource imports collection, audio collection and record screen and gathers.
3. method according to claim 1, is characterized in that, described video transmission method also comprises:
Obtain authority configuration information, and according to described authority configuration information, the transmitting rights to described supervisory control system is set.
4. method according to claim 1, is characterized in that, described video transmission method also comprises:
Obtain log processing request, wherein said log processing request comprises: request is derived in log query request and daily record;
According to described log processing request, carry out corresponding log processing operation, wherein, when described log processing request is log query request, show corresponding daily record, when described log processing request is daily record derivation request, daily record is exported to corresponding device.
5. method according to claim 1, is characterized in that, described video transmission method also comprises:
From described front-end stores equipment, gather after described video information, according to the descriptor of described video information, determine described front-end stores equipment, and/or the collection point of described video information;
Show that mark has described front-end stores equipment, and/or the map image in the geographical position of described collection point.
6. a video frequency transmitter, is applied to panel computer, it is characterized in that, described video frequency transmitter comprises:
Descriptor acquisition module, for obtaining the descriptor of video information waiting for transmission;
Acquisition module for according to described descriptor, gathers described video information from store the front-end stores equipment of described video information, and wherein, the mode that gathers described video information at least comprises: virtual collection;
Transport module, has transmitting rights for judging whether, and determines while having transmitting rights according to judged result, by the described video information transmission collecting to corresponding supervisory control system.
7. device according to claim 6, is characterized in that, described video frequency transmitter also comprises:
Authority arranges module, for obtaining authority configuration information, and according to described authority configuration information, the transmitting rights to described supervisory control system is set.
8. device according to claim 6, is characterized in that, described video frequency transmitter also comprises:
Log processing request acquisition module, for obtaining log processing request, wherein said log processing request comprises: request is derived in log query request and daily record;
Process operational module, for according to described log processing request, carry out corresponding log processing operation, wherein, when described log processing request is log query request, show corresponding daily record, when described log processing request is daily record derivation request, daily record is exported to corresponding device.
9. device according to claim 6, is characterized in that, described video frequency transmitter also comprises:
Determination module, for gathering described video information from described front-end stores equipment, according to the descriptor of described video information, determines described front-end stores equipment, and/or the collection point of described video information;
Display module, for showing that mark has described front-end stores equipment, and/or the map image in the geographical position of described collection point.
10. a panel computer, is characterized in that, is integrated with if claim 6 is to the video frequency transmitter as described in claim 9 any one in the processor of described panel computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310689923.8A CN103618884A (en) | 2013-12-16 | 2013-12-16 | Video transmission method, device and tablet computer |
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| CN201310689923.8A CN103618884A (en) | 2013-12-16 | 2013-12-16 | Video transmission method, device and tablet computer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105100673A (en) * | 2015-06-10 | 2015-11-25 | 努比亚技术有限公司 | Voice over long term evolution (VoLTE) based desktop sharing method and device |
| CN109922292A (en) * | 2019-03-11 | 2019-06-21 | 广州视源电子科技股份有限公司 | Screen recording system and screen recording method thereof |
| CN113271482A (en) * | 2021-05-17 | 2021-08-17 | 广东彼雍德云教育科技有限公司 | Portable full-width image scratching blackboard |
-
2013
- 2013-12-16 CN CN201310689923.8A patent/CN103618884A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105100673A (en) * | 2015-06-10 | 2015-11-25 | 努比亚技术有限公司 | Voice over long term evolution (VoLTE) based desktop sharing method and device |
| CN109922292A (en) * | 2019-03-11 | 2019-06-21 | 广州视源电子科技股份有限公司 | Screen recording system and screen recording method thereof |
| CN113271482A (en) * | 2021-05-17 | 2021-08-17 | 广东彼雍德云教育科技有限公司 | Portable full-width image scratching blackboard |
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Application publication date: 20140305 |