CN204706020U - A kind of electronic white board projection interactive device - Google Patents
A kind of electronic white board projection interactive device Download PDFInfo
- Publication number
- CN204706020U CN204706020U CN201520023467.8U CN201520023467U CN204706020U CN 204706020 U CN204706020 U CN 204706020U CN 201520023467 U CN201520023467 U CN 201520023467U CN 204706020 U CN204706020 U CN 204706020U
- Authority
- CN
- China
- Prior art keywords
- module
- handheld terminal
- projector
- image
- touch control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Projection Apparatus (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The utility model discloses a kind of electronic white board projection interactive device, described device comprises handheld terminal and projector, and wherein: described handheld terminal comprises data memory module, it is for storing the electronic bits of data from user; Described handheld terminal also comprises the touch control display module be connected with described data memory module, and described handheld terminal utilizes described touch control display module carry out touch control operation to described electronic bits of data and show; Described handheld terminal is connected with described projector, and the content of display current in described touch control display module is sent to described projector thus the described content that projects by described handheld terminal.Relative to prior art, interactive device of the present utility model not only moves flexible, simple to operate and adds real-time marking Function for Projection Display, improves Consumer's Experience greatly; Meanwhile, relative to prior art, interactive device device requirement of the present utility model is few, with low cost, greatly reduces device and popularizes difficulty.
Description
Technical field
The utility model relates to electronic information field, relates to a kind of electronic white board projection interactive device specifically.
Background technology
Projector is a kind of equipment that operation various on the content on computer screen and computer can be projected simultaneous display on curtain.Along with the development of science and technology, the size of projector is more and more less, and price is more and more lower, and projector is also more and more universal.
Usual projector adopts computer as image sources, display be content on computer screen, therefore when using projector to project, user needs on corresponding computer needing the file of Projection Display operate thus realize man-machine interaction.Because most of projector is connected with computer by video transmission line, during use, dismounting is bothersome, uses the great inconvenience of operating band to user.In addition, the mode of operation of computer system itself directly has influence on operation complexity and the display effect of projection.
In order to coordinate Projection Display, existing optical projection system is after by the content projection on computer screen, can also the content of projection directly be write or be marked, thus realize similar common blank, display effect that blackboard for education is the same, improve Projection Display effect and increase the Consumer's Experience of man-machine interaction.Existing optical projection system utilizes the manipulation of electronic whiteboard, infrared positioned radio or finger tip detection algorithm to realize above-mentioned purpose usually.
Wherein, electronic whiteboard utilizes projector by the content projection on computer to electronic whiteboard screen, can write by direct pen on electronic whiteboard screen, the preservation of computer file can be realized simultaneously, construct a giant-screen, interactively assistance teaching or conferencing environment.But electronic whiteboard generally can not facilitate movement by the restriction in place, simultaneously expensively cause it can not obtain in simple meeting work, teaching, outpost display popularizing.
The method manipulated by infrared positioned radio can solve electronic whiteboard can not the problem of convenient movement, but need infrared ray to manipulate the assistance of pen and infrared pick-up establishment, need before use to correct projection, infrared ray manipulation pen and infrared pick-up simultaneously, operate very complicated.
Finger tip detection algorithm utilizes projector, video camera to calculate the position finding finger tip place on curtain, judge whether finger tip contacts curtain, realize the method for man-machine interactive system, decrease the use of infrared positioned radio control method middle infrared (Mid-IR) manipulation pen, simplify operating process.But existing finger tip detection algorithm immature, when the object of other similar finger tips enters projection screen, easily cause finger tip to detect error and occur writing or mark chaotic situation.
Therefore, between existing optical projection system and user in man-machine interaction Problems existing, need a set of projection interactive device newly badly with the man-machine interaction realized between optical projection system and user of more simple and flexible.
Utility model content
For between existing optical projection system and user in man-machine interaction Problems existing, the utility model provides a kind of electronic white board projection interactive device, and described device comprises handheld terminal and projector, wherein:
Described handheld terminal comprises data memory module, and it is for storing the electronic bits of data from user;
Described handheld terminal also comprises the touch control display module be connected with described data memory module, and described handheld terminal utilizes described touch control display module carry out touch control operation to described electronic bits of data and show;
Described handheld terminal is connected with described projector, and the content of display current in described touch control display module is sent to described projector thus the content of current display in the described touch control display module that projects by described handheld terminal.
In one embodiment, described handheld terminal also comprises the first wireless connections module, described projector comprises the second wireless connections module, and described first wireless connections module and described second wireless connections module are for setting up the wireless connections between described handheld terminal and described projector.
In one embodiment, described handheld terminal also comprises screen capture module and image transmission module, and described projector also comprises image-receptive display module, wherein:
Described screen capture module is connected with described touch control display module, for carrying out screenshotss to described touch control display module thus according to the content obtaining image to be displayed of display current in described touch control display module;
Described image transmission module is connected with described screen capture module and the first wireless connections module, for described image to be displayed is sent to described projector;
Described image-receptive display module is connected with described second wireless connections module, for receiving and showing described image to be displayed.
In one embodiment, described handheld terminal also comprises screenshotss and preserves module, described screenshotss are preserved module and are connected with described screen capture module and described data memory module, for specific described image to be displayed being saved in described data memory module according to user's request.
In one embodiment, described image transmission module comprises image compression unit, described image-receptive display module comprises image decompressor unit, described image compression unit is used for carrying out compression process to described image to be displayed, and described image decompressor unit is used for the described image to be displayed after to compression process and carries out decompression.
In one embodiment: described handheld terminal also comprises projector control module, it is connected with described first wireless connections module, for obtaining or abandon the control of described projector;
Described projector also comprises power and gives module, and it is connected with described second wireless connections module, for giving corresponding described handheld terminal by described control.
In one embodiment: described projector also comprises server module, it is connected with described second wireless connections module;
Described handheld terminal also comprises resources sharing module, it is connected with described first wireless connections module and described data memory module, for the electronic bits of data in described data memory module being uploaded to described server module or the electronic bits of data preserved in described server module being downloaded to described data memory module.
In one embodiment, described handheld terminal also comprises electronic whiteboard module, and it is connected with described touch control display module, increases the drawing board for marking of layer of transparent in the content at the current described electronic bits of data be presented in described touch control display module.
In one embodiment, described handheld terminal also comprises meeting prompting module, and it is connected with described data memory module, for recording and preserving the information such as next time the time of meeting, place, content in described data memory module.
In one embodiment, described handheld terminal also comprises note taking module, and it is connected with described data memory module, for written record and the information such as emphasis, gains in depth of comprehension of preserving meeting in described data memory module.
Compared with prior art, the utility model tool has the following advantages:
Relative to prior art, interactive device of the present utility model not only moves flexible, simple to operate and adds real-time marking Function for Projection Display, improves Consumer's Experience greatly;
Relative to prior art, interactive device device requirement of the present utility model is few, with low cost, greatly reduces device and popularizes difficulty.
Further feature of the present utility model or advantage will be set forth in the following description.Further, Partial Feature of the present utility model or advantage will be become apparent by instructions, or be understood by implementing the utility model.The purpose of this utility model and certain advantages realize by step specifically noted in instructions, claims and accompanying drawing or obtain.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present utility model or technical scheme of the prior art, do simple introduction by accompanying drawing required in embodiment or description of the prior art below.Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for instructions, with embodiment of the present utility model jointly for explaining the utility model, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structured flowchart according to the utility model one embodiment.
Embodiment
Embodiment of the present utility model is described in detail below with reference to drawings and Examples.Enforcement personnel of the present utility model whereby can fully understand how application technology means solve technical matters and reach the implementation procedure of technique effect the utility model.Thus enforcement personnel of the present utility model specifically can implement the utility model according to above-mentioned implementation procedure.It should be noted that, only otherwise form conflict, each embodiment in the utility model and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection domain of the present utility model.
In order to convenient projection user needs the content of display, the utility model discloses a kind of electronic white board projection interactive device.In the present embodiment, device comprises for the handheld terminal 100 of user operation and the projector 101 that is connected with handheld terminal 100.The handheld terminal 100 of the present embodiment is based on the smart mobile phone or the panel computer structure that are provided with Android system.Certain, according to actual conditions, in other embodiments of the present utility model, also can adopt other handheld terminals structure installing other operating systems.Construct the handheld terminal 100 of the present embodiment based on existing handheld terminal, not only greatly can reduce the operation easier of device, and hardware cost can be reduced greatly, thus reduce the novel universal difficulty of this enforcement.
Handheld terminal 100 comprises touch control display module 111 and is connected to the data memory module 115 of touch control display module 111.Data memory module 115 is for store electrons data.User, by needing the associated electrical data of display stored in data memory module 115, then utilizes touch control display module 111 carry out touch control operation and show related content.In the present embodiment, touch control display module 111 comprises touch screen and relevant display driver unit, operation control unit etc.
Be understood that, user can utilize touch control display module 111 to carry out touch control operation thus to realize the amendment of electronic bits of data and by amended result and modification process instant playback.But consider the actual needs of projection application, user does not wish directly to revise electronic bits of data sometimes, just hope display at that time as required in the content of display the interim mark that adds so that the viewpoint of clearer elaboration oneself.For achieving the above object, electronic whiteboard module 116 is constructed in the handheld terminal 100 of the present embodiment, it is connected with touch control display module 111, for increasing the drawing board for marking of layer of transparent in the content of the current original electronic bits of data be presented in touch control display module 111.
In the present embodiment, the relevant position of user's transparent drawing board of utilizing the touch screen of touch control display module 111 to generate in electronic whiteboard module 116 creates mark in modes such as straight line, square frame, bracket and self-defined Freehandhand-drawings.Transparent drawing board is superimposed upon in corresponding electronic bits of data content and shows by touch control display module 111 while user creates mark, thus obtains the displaying contents with mark.
One of fundamental purpose of the present utility model is that the content of display current in touch control display module 111 is sent to projector 101 thus projects.Therefore the content of current display in touch control display module 111 will first be obtained.For this reason, the handheld terminal 100 of the present embodiment comprises screen capture module 112.Screen capture module 112 is connected with touch control display module 111, for carrying out screenshotss to touch control display module 111 thus according to the content obtaining image to be displayed of display current in touch control display module 111.
Because screen capture module 112 adopts the mode of screenshotss to obtain image to be displayed, therefore image to be displayed is the content that current touch control display module 111 is showing.Namely image to be displayed comprises superposing (displaying contents with marking) of the electronic bits of data (PPT, picture etc.) that is opened in data memory module 115 and the mark in electronic whiteboard module 116.
Just need after getting image to be displayed to transmit image to be displayed, therefore the handheld terminal 100 of the present embodiment also comprises image transmission module 113, and it is connected with screen capture module 112, for image to be displayed is sent to projector 101.In order to saving resource, image transmission module 113 comprises image compression unit 114.Image compression unit 114 for carrying out compression process to image to be displayed, thus reduces the data volume needing to send.
When normally using, projector 101 generally needs to fix on location according to projection.For the ease of operation, the handheld terminal 100 in the present embodiment adopts integrated chip design, greatly reduces volume thus has accomplished to move use easily.Use handheld terminal 100 to further be convenient to user operation, the handheld terminal 100 of the present embodiment comprises wireless connections module 110, and projector 101 comprises wireless connections module 130.Handheld terminal 100 and projector 101 utilize wireless connections module 110 and wireless connections module 130 construct wireless connections thus realize data interaction.Wireless connections module 110 in the present embodiment and wireless connections module 130 are Wi-Fi link block.Wireless connections module 110 and wireless connections module 130 can adopt the mode of cipher authentication to carry out wireless connections.
Certain, based on actual hardware demand, in other embodiments of the present utility model, wireless connections module 110 and wireless connections module 130 can adopt other module structures (as bluetooth module).
Image transmission module 113 is connected to wireless connections module 110, thus utilizes wireless connections module 110 that the image to be displayed after compression is sent to projector 101.In the present embodiment, image transmission module 113 adopts user data package (User Datagram Protocol, UDP) agreement to send image to be displayed.
In order to receive and show image to be displayed, the projector 101 of the present embodiment comprises image-receptive display module 132, and image-receptive display module 132 is connected with wireless connections module 130, for receiving and showing image to be displayed.In order to decompress to the image to be displayed after compression, in image-receptive display module 132, be configured with image decompressor unit 133.In the present embodiment, screen capture module carries out screenshotss with the speed of 30 frames per second, corresponding, image-receptive display module carries out image display with the speed of 30 frames per second.
To sum up, the present embodiment projection process can simplified summary as follows:
First user utilizes touch control display module 111 to open and shows the electronic bits of data (PPT, picture etc.) in data memory module 115;
Then utilize electronic whiteboard module 116 to increase the drawing board of layer of transparent, and then on transparent drawing board, electronic bits of data marked and show;
Then screen capture module 112 carries out screenshotss thus acquisition image to be displayed with the speed of 30 frames per second to the content that touch control display module 111 shows;
Compression process image to be displayed also adopts udp protocol that the image to be displayed after compression is sent to projector;
Image decompressor unit 133 receives image to be displayed that handheld terminal sends and decompresses;
Image-receptive display module 132 with the speed of 30 frames per second by picture projection on curtain.
Because the mark carried out based on electronic whiteboard module 116 is not directly act on to be stored on the electronic bits of data of data memory module, the operation that just user is interim when projecting.In order to preserve the mark of user, being also configured with screenshotss in the handheld terminal 100 of the present embodiment and preserving module 118.Screenshotss are preserved module 118 and are connected with screen capture module 112 and data memory module 115, for being saved in data memory module 115 by the image to be displayed of particular moment according to user's request.
In actual use, when showing the electronic bits of data of oneself, likely can there is data content deficiency in user, needs interim situation of supplementing.In order to solve this situation, in the hand-held terminal device 100 of the present embodiment, have also been constructed on-line module 124.On-line module 124 is connected with touch control display module 111 and access network, and data also shows by the inquiry data so that user surfs the Net.In the present embodiment, on-line module 124 is connected to wireless connections module 110, utilizes Wi-Fi access network.Simultaneously on-line module 124 is also connected to data memory module 115, thus can by the data that inquires from network stored in data memory module 115.
In order to expand application function of the present utility model, in the handheld terminal 100 of the present embodiment, be also configured with meeting prompting module 123 and note taking module 122.Meeting prompting module 123 and note taking module 122 are all connected with data memory module 115.Wherein, meeting prompting module 123 is for recording and preserving the information such as next time the time of meeting, place, content in data memory module 115.Meeting prompting module 123 also can arrange alarm clock calling so that reminding user.Note taking module 122 for written record and the information such as emphasis, gains in depth of comprehension of preserving meeting in data memory module 115.
Meeting prompting module 123 and note taking module 122 are also connected to touch control display module 111, user utilizes touch control display module 111 pairs of meeting prompting module 123 or note taking module 122 operates and content display, thus realizes the function of meeting prompting module 123 or note taking module 122.
Utilize the module in foregoing description and unit, the projector 101 in the present embodiment i.e. content of the current display of projectable's touch control display module 111.But in the projection of reality uses, need the user probably more than carrying out projecting.Conveniently user carries out projection operation, and the device of the present embodiment comprises multiple handheld terminal (handheld terminal 100, handheld terminal 102, handheld terminal 103 and handheld terminal 104).Being eachly has the user of demand to prepare a handheld terminal (here hypothesis have 4 users).Here it should be noted that, in the present embodiment, handheld terminal 100, handheld terminal 102, handheld terminal 103 and handheld terminal 104 are all based on the smart mobile phone being provided with Android system or the panel computer structure that have close structure, only be described for handheld terminal 100 in the explanation of the present embodiment and accompanying drawing, other handheld terminals just repeat no more.
Now just create a problem, projector 101 only has one, in the face of multiple stage handheld terminal, and the content on which handheld terminal of this display of projector 101.
For solving the problem, construct projector control module 117 in the handheld terminal 100 of the present embodiment, it is connected with wireless connections module 110, for obtaining or abandon the control of projector 101.Corresponding, be configured with power in projector 101 and give module 131, its wireless connections module 130 is connected, for giving corresponding handheld terminal by the control of projector 101.In the present embodiment, namely the control of projector 101 is the right sending image to be displayed.
When reality uses, handheld terminal 100, handheld terminal 102, handheld terminal 103 and handheld terminal 104 are first connected to projector 101.Then each handheld terminal sends the request instruction of the control obtaining projector 101 based on user's request.Specific to handheld terminal 100, be namely that projector control module 117 sends request instruction to power imparting module 131 by transmission control (Transmission Control Protocol, Transmission Control Protocol) agreement.
Power give module 131 first judge when receiving request instruction current whether have handheld terminal use projector 101.There is handheld terminal to use projector 101 when current, then keep in the request instruction received and send outstanding message to corresponding handheld terminal.When the handheld terminal of current use projector 101 stops using projector 101, namely power give module 131 receive from corresponding projector control module abandon instruction time, power is given module 131 and is given corresponding handheld terminal based on temporary request instruction by the control of projector 101.
If the request instruction that the projector control module that power imparting module 131 receives multiple stage handheld terminal is sent simultaneously.Then power is given module 131 and is given corresponding priority based on specific rule (pre-set priority as time order and function, handheld terminal) to the handheld terminal sending request instruction, first gives priority the highest handheld terminal the control of projector 101.
With a concrete application examples, if synchronization only has projector control module 117 to send request instruction, and power is given when module 131 receives request instruction and is judged do not have other handheld terminals to use projector 101.Then power is given module 131 and is given projector control module 117 by the control of projector 101.
Projector control module 117 is connected to screen capture module 112 and image transmission module 113, activate screen capture module 112 and image transmission module 113 when projector control module 117 gets the control of projector 101, thus obtain and send image to be displayed.When using the user of handheld terminal 100 to complete use, projector control module 117 sends abandons instruction to power imparting module 131.For reducing power consumption, when the user of handheld terminal 100 completes use, projector control module 117 can close screen capture module 112 and image transmission module 113 simultaneously.
Handheld terminal 102 uses at handheld terminal 100 in the process of projector 101, if having sent request instruction give module 131 to power.Power is given the temporary request instruction from handheld terminal 102 of module 131 and is sent outstanding message to handheld terminal 102.When power give module 131 receive from projector control module 117 abandon give handheld terminal 102 based on the request instruction from handheld terminal 102 by the control of projector 101 again after instruction.
Power is given module 131 and is connected to image-receptive display module.Be understood that, when there being handheld terminal to use projector 101, image-receptive display module 132 must be in open mode so that normal projection.In order to reduce power consumption, the projector 101 of the present embodiment can cut out image-receptive display module 132 automatically when not having handheld terminal to use projector 101.That is, when power give module 131 receive abandon instruction and do not have request instruction to be kept in time, power give module 131 close image-receptive display module 132.
Show the electronic bits of data of oneself for further facilitating user, the device of the present embodiment can also realize the data sharing between different user.In handheld terminal 100, be configured with resources sharing module 121 and be configured with server module 134 in projector 101.Server module 134 is connected with wireless connections module 130, and resources sharing module 121 is connected with wireless connections module 110 and data memory module 115.Resources sharing module 121 needs the material upload stored in data memory module 115 to download to data memory module 115 to server module 134 or by the electronic bits of data preserved in server module 134 according to user.
In the present embodiment, the content that the content that the data in data memory module 115 comprises data that electronic bits of data, the resources sharing module 121 of carrying out projecting download, screenshotss preserve pictorial information that module 118 screenshotss obtain, meeting prompting module 123 records, note taking module 122 record and the network data that on-line module 124 is downloaded.
To sum up, relative to prior art, interactive device of the present utility model not only moves flexible, simple to operate and adds real-time marking Function for Projection Display, improves Consumer's Experience greatly; Meanwhile, interactive device device requirement of the present utility model is few, with low cost, greatly reduces device and popularizes difficulty.
Although embodiment disclosed in the utility model is as above, the embodiment that described content just adopts for the ease of understanding the utility model, and be not used to limit the utility model.Technician in any the utility model art, under the prerequisite not departing from spirit and scope disclosed in the utility model, can do any amendment and change what implement in form and in details.But scope of patent protection of the present utility model, the scope that still must define with appending claims is as the criterion.
Claims (10)
1. an electronic white board projection interactive device, is characterized in that, described device comprises handheld terminal and projector, wherein:
Described handheld terminal comprises data memory module, and it is for storing the electronic bits of data from user;
Described handheld terminal also comprises the touch control display module be connected with described data memory module, and described handheld terminal utilizes described touch control display module carry out touch control operation to described electronic bits of data and show;
Described handheld terminal is connected with described projector, and the content of display current in described touch control display module is sent to described projector thus the content of current display in the described touch control display module that projects by described handheld terminal.
2. device as claimed in claim 1, it is characterized in that, described handheld terminal also comprises the first wireless connections module, described projector comprises the second wireless connections module, and described first wireless connections module and described second wireless connections module are for setting up the wireless connections between described handheld terminal and described projector.
3. device as claimed in claim 2, it is characterized in that, described handheld terminal also comprises screen capture module and image transmission module, and described projector also comprises image-receptive display module, wherein:
Described screen capture module is connected with described touch control display module, for carrying out screenshotss to described touch control display module thus according to the content obtaining image to be displayed of display current in described touch control display module;
Described image transmission module is connected with described screen capture module and the first wireless connections module, for described image to be displayed is sent to described projector;
Described image-receptive display module is connected with described second wireless connections module, for receiving and showing described image to be displayed.
4. device as described in claim 3, is characterized in that, described handheld terminal also comprises screenshotss and preserves module, and described screenshotss are preserved module and are connected with described screen capture module and described data memory module.
5. the device as described in claim 3 or 4, it is characterized in that, described image transmission module comprises image compression unit, described image-receptive display module comprises image decompressor unit, described image compression unit is used for carrying out compression process to described image to be displayed, and described image decompressor unit is used for the described image to be displayed after to compression process and carries out decompression.
6. device as claimed in claim 2, is characterized in that:
Described handheld terminal also comprises projector control module, and it is connected with described first wireless connections module, for obtaining or abandon the control of described projector;
Described projector also comprises power and gives module, and it is connected with described second wireless connections module, for giving corresponding described handheld terminal by described control.
7. device as claimed in claim 2, is characterized in that:
Described projector also comprises server module, and it is connected with described second wireless connections module;
Described handheld terminal also comprises resources sharing module, it is connected with described first wireless connections module and described data memory module, for the electronic bits of data in described data memory module being uploaded to described server module or the electronic bits of data preserved in described server module being downloaded to described data memory module.
8. device as claimed in claim 1, it is characterized in that, described handheld terminal also comprises electronic whiteboard module, and it is connected with described touch control display module, increases the drawing board for marking of layer of transparent in the content at the current described electronic bits of data be presented in described touch control display module.
9. device as claimed in claim 1, it is characterized in that, described handheld terminal also comprises meeting prompting module, and it is connected with described data memory module, for recording and preserving the time of meeting next time, place and content information in described data memory module.
10. device as claimed in claim 1, it is characterized in that, described handheld terminal also comprises note taking module, and it is connected with described data memory module, preserves the emphasis of meeting and gains in depth of comprehension information in described data memory module for written record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023467.8U CN204706020U (en) | 2015-01-14 | 2015-01-14 | A kind of electronic white board projection interactive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023467.8U CN204706020U (en) | 2015-01-14 | 2015-01-14 | A kind of electronic white board projection interactive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204706020U true CN204706020U (en) | 2015-10-14 |
Family
ID=54285620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520023467.8U Active CN204706020U (en) | 2015-01-14 | 2015-01-14 | A kind of electronic white board projection interactive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204706020U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066768A (en) * | 2016-05-31 | 2016-11-02 | 广东能龙教育股份有限公司 | PPT (Power Point) interaction demonstration device and method |
| CN106375743A (en) * | 2016-05-03 | 2017-02-01 | 深圳市美贝壳科技有限公司 | Slide presentation method of cloud storage device |
| CN109788265A (en) * | 2019-01-28 | 2019-05-21 | 深圳市飞图视讯有限公司 | A kind of wireless interaction method and device of projector |
| CN110377255A (en) * | 2019-07-09 | 2019-10-25 | 汉王智联(武汉)科技有限公司 | A kind of throwing screen method and system |
-
2015
- 2015-01-14 CN CN201520023467.8U patent/CN204706020U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375743A (en) * | 2016-05-03 | 2017-02-01 | 深圳市美贝壳科技有限公司 | Slide presentation method of cloud storage device |
| CN106066768A (en) * | 2016-05-31 | 2016-11-02 | 广东能龙教育股份有限公司 | PPT (Power Point) interaction demonstration device and method |
| CN109788265A (en) * | 2019-01-28 | 2019-05-21 | 深圳市飞图视讯有限公司 | A kind of wireless interaction method and device of projector |
| CN110377255A (en) * | 2019-07-09 | 2019-10-25 | 汉王智联(武汉)科技有限公司 | A kind of throwing screen method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110597474B (en) | Information processing method and electronic equipment | |
| CN104158900B (en) | Method and system for synchronizing courseware through iPad controlling | |
| CN109561271B (en) | Method for guiding terminal operation, first terminal and second terminal | |
| CN204706020U (en) | A kind of electronic white board projection interactive device | |
| CN106485956A (en) | A kind of method of demonstration electronic functionalities, device and intelligent terminal | |
| CN104199911A (en) | Storage method and device for PPT | |
| CN104685460A (en) | Transparent display apparatus and display method thereof | |
| US10013156B2 (en) | Information processing apparatus, information processing method, and computer-readable recording medium | |
| CN114071425B (en) | Collaboration method and collaboration system between electronic devices, and electronic device | |
| CN108762628B (en) | Page element mobile display method and device, terminal equipment and storage medium | |
| KR20220154763A (en) | Image processing methods and electronic equipment | |
| US20220392130A1 (en) | Image special effect processing method and apparatus | |
| JP2013145557A (en) | Instant message method to be used for portable electronic equipment and system thereof | |
| JP5081088B2 (en) | Mutual information sharing system | |
| US20150194087A1 (en) | Display device and method for controlling the same | |
| CN103780858A (en) | Method and device for processing information, and electronic device | |
| CN103262003A (en) | Using TV over VPN to present remote device application graphics | |
| CN110298777A (en) | The generation system and method for classroom video | |
| CN110794966B (en) | AR display system and method | |
| CN109636922A (en) | A kind of method and apparatus of the content of augmented reality for rendering | |
| CN113031838B (en) | Screen recording method and device and electronic equipment | |
| CN109862547B (en) | Wireless screen image snapshot method and system based on Wi-Fi environment | |
| CN103853470A (en) | Data processing and displaying method, device and system | |
| CN109144450B (en) | Remote operation control method, mobile terminal and storage medium | |
| CN113784045A (en) | Focusing interaction method, device, medium and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210319 Address after: No. 6, Jiuhua Road, khuchuang Park, Mianyang, Sichuan Patentee after: Sichuan Jiuzhou Investment Holding Group Co.,Ltd. Address before: 621000 No.6, Jiuhua Road, Mianyang City, Sichuan Province Patentee before: SICHUAN JIUZHOU ELECTRIC GROUP Co.,Ltd. |