CN115052279B - Pairing method and device of wireless screen transmitter - Google Patents
Pairing method and device of wireless screen transmitter Download PDFInfo
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- CN115052279B CN115052279B CN202110251442.3A CN202110251442A CN115052279B CN 115052279 B CN115052279 B CN 115052279B CN 202110251442 A CN202110251442 A CN 202110251442A CN 115052279 B CN115052279 B CN 115052279B
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 230000002452 interceptive effect Effects 0.000 claims abstract description 133
- 230000003993 interaction Effects 0.000 claims description 75
- 230000015654 memory Effects 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000060 site-specific infrared dichroism spectroscopy Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000010897 surface acoustic wave method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
Abstract
The application provides a pairing method and device for a wireless screen transmitter, wherein when the wireless screen transmitter is connected with an interactive flat board through a wired interface, the wireless screen transmitter receives pairing information sent by the interactive flat board through the wired interface, the pairing information is stored, the pairing information comprises information of a first wireless hot spot transmitted by the interactive flat board, the information of the first wireless hot spot cannot be modified, and when the pairing is needed, the wireless screen transmitter is paired with the interactive flat board according to the pairing information. Because the information of the first wireless hot spot stored in the interactive flat board cannot be modified, one interactive flat board only needs to write pairing information into the wireless screen throwing device once, the pairing information is valid until other interactive flat boards write new pairing information into the invalid screen throwing device, and therefore user operation is simplified, and the user does not need to re-write the pairing information after connecting the interactive flat board with the wireless screen throwing device through a hardware interface because the wireless hot spot information of the interactive flat board is modified.
Description
Technical Field
The present application relates to the field of electronic technologies, and in particular, to a pairing method and apparatus for a wireless screen sensor.
Background
The wireless screen transmitter can transmit the content on the display screen of the electronic equipment (including notebook computers, tablet computers, desktop computers, mobile phones and the like) of the user to an interactive tablet (also called an interactive smart tablet or an intelligent interactive tablet) for display. The wireless screen is opposite to the wired screen, and the wireless screen sensor, the electronic device and the interactive tablet are connected to the same wireless fidelity (Wireless Fidelity, abbreviated as WiFi) and communicate through the WiFi.
The wireless screen transmitter and the interactive flat board need pair first before transmitting data, when the wireless screen transmitter and the interactive flat board are paired for the first time, the interactive flat board and the wireless screen transmitter are connected through a universal serial bus (Universal Serial Bus, abbreviated as USB) interface or a TypeC interface, the interactive flat board writes pairing information into the wireless screen transmitter, and when the wireless screen transmitter needs to be paired, the pairing information is used for pairing. The pairing information includes WiFi information used by the interactive tablet, such as a service set identifier (Service Set Identifier, abbreviated SSID) and a password of WiFi.
However, when the WiFi information of the interactive tablet changes, the pairing information in the wireless sensor fails, resulting in the wireless sensor not being connected to the interactive tablet. At this time, the wireless screen transmitter prompts the user to pair with the interaction flat plate again, the user needs to connect the interaction flat plate with the wireless screen transmitter again, the interaction flat plate writes new pairing information into the wireless screen transmitter again, and the pairing can be completed, and the pairing mode is complicated
Disclosure of Invention
The application provides a pairing method and device for a wireless screen transmitter, which are used for simplifying user operation by re-writing pairing information after connecting an interactive flat plate and a wireless screen transmitter through a hardware interface without modifying wireless hot spot information of the interactive flat plate.
In a first aspect, the present application provides a pairing method of wireless screen sensors, the method comprising:
when a wireless screen transmitter is connected with an interaction panel through a wired interface, the wireless screen transmitter receives pairing information sent by the interaction panel through the wired interface, the pairing information comprises information of a first wireless hot spot transmitted by the interaction panel, and the information of the first wireless hot spot stored on the interaction panel cannot be modified;
the wireless screen sensor stores the pairing information;
and the wireless screen sensor is paired with the interaction panel according to the pairing information.
Optionally, the first wireless hotspot cannot be scanned by the surrounding device.
Optionally, the interactive tablet further transmits a second wireless hotspot, information of the second wireless hotspot stored on the interactive tablet can be modified, and the second wireless hotspot information can be scanned by a surrounding device.
In a second aspect, the present application provides a pairing method of wireless screen sensors, the method comprising:
the interaction panel transmits a first wireless hotspot, and the information of the first wireless hotspot cannot be modified;
when the interaction panel is connected with the wireless screen transmitter through a wired interface, pairing information is written into the wireless screen transmitter through the wired interface, and the pairing information comprises information of the first wireless hot spot.
Optionally, the first wireless hotspot cannot be scanned by the surrounding device.
Optionally, the interactive tablet further transmits a second wireless hotspot, information of the second wireless hotspot can be modified, and the second wireless hotspot information can be scanned by surrounding devices.
Optionally, the name of the second wireless hotspot and the name of the first wireless hotspot are displayed in a hotspot list of the interactive tablet.
Optionally, the method further comprises: and after the wireless screen transmitter is paired with the interaction panel through the pairing information, receiving data sent by the wireless screen transmitter through the first wireless hot spot.
Optionally, the method further comprises: and modifying the information of the second wireless hotspot according to the user operation.
In a third aspect, the present application provides a pairing device for a wireless screen sensor, including:
The device comprises a receiving module, a wireless screen transmitter and an interaction panel, wherein the receiving module is used for receiving pairing information sent by the interaction panel through a wired interface when the wireless screen transmitter is connected with the interaction panel, the pairing information comprises information of a first wireless hot spot transmitted by the interaction panel, and the information of the first wireless hot spot stored on the interaction panel cannot be modified;
the storage module is used for storing the pairing information;
and the pairing module is used for pairing with the interaction panel according to the pairing information.
Optionally, the first wireless hotspot cannot be scanned by the surrounding device.
Optionally, the interactive tablet further transmits a second wireless hotspot, information of the second wireless hotspot stored on the interactive tablet can be modified, and the second wireless hotspot information can be scanned by a surrounding device.
In a fourth aspect, the present application provides a pairing device for a wireless screen sensor, including:
a transmitting module, configured to transmit a first wireless hotspot, where information of the first wireless hotspot cannot be modified;
and the writing module is used for writing pairing information into the wireless screen transmitter through the wired interface when the interaction panel is connected with the wireless screen transmitter through the wired interface, wherein the pairing information comprises information of the first wireless hot spot.
Optionally, the first wireless hotspot cannot be scanned by the surrounding device.
Optionally, the interactive tablet further transmits a second wireless hotspot, information of the second wireless hotspot can be modified, and the second wireless hotspot information can be scanned by surrounding devices.
In a fifth aspect, the present application provides a wireless screen sensor comprising: at least one processor, memory, and a communication interface; the memory stores computer-executable instructions; the communication interface is used for communicating with other devices; the at least one processor executing computer-executable instructions stored in the memory causes the at least one processor to perform the method according to any one of the first aspects of the application.
A sixth aspect of the application provides an interactive tablet comprising: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the method steps according to the second aspect of the application or any of the ways.
A seventh aspect of the application provides a computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out a method according to any of the first aspect of the application.
An eighth aspect of the application provides a computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out a method according to any of the second aspects of the application.
A ninth aspect of the application provides a computer program product comprising a computer program which, when executed by a processor, implements a method according to any of the first aspects of the application.
A tenth aspect of the application provides a computer program product comprising a computer program which, when executed by a processor, implements a method according to any of the second aspects of the application.
According to the pairing method and device for the wireless screen transmitter, when the wireless screen transmitter is connected with the interaction panel through the wired interface, the wireless screen transmitter receives pairing information sent by the interaction panel through the wired interface, the pairing information comprises information of a first wireless hot spot transmitted by the interaction panel, the information of the first wireless hot spot stored on the interaction panel cannot be modified, the wireless screen transmitter stores the pairing information, and when pairing is needed, the wireless screen transmitter is paired with the interaction panel according to the pairing information. Because the information of the first wireless hot spot stored in the interactive flat board cannot be modified, one interactive flat board only needs to write pairing information into the wireless screen throwing device once, the pairing information is valid until other interactive flat boards write new pairing information into the invalid screen throwing device, and therefore user operation is simplified, and the user does not need to re-write the pairing information after connecting the interactive flat board with the wireless screen throwing device through a hardware interface because the wireless hot spot information of the interactive flat board is modified.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic view of a wireless screen transmission scenario to which the present application is applicable;
fig. 2 is a flowchart of a pairing method of wireless screen sensors according to an embodiment of the present application;
fig. 3 is a flowchart of a pairing method of wireless screen sensors according to a second embodiment of the present application;
fig. 4 is a signaling flow chart of screen projection through a wireless screen sensor according to a third embodiment of the present application;
fig. 5 is a schematic structural diagram of a pairing device of a wireless screen sensor according to a fourth embodiment of the present application;
fig. 6 is a schematic structural diagram of a pairing device of a wireless screen sensor according to a fifth embodiment of the present application;
fig. 7 is a schematic structural diagram of a wireless screen projector according to a sixth embodiment of the present application;
fig. 8 is a schematic structural diagram of an interactive tablet according to a seventh embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Before formally introducing the embodiment of the application, the scene to which the application is applied and the technical problems existing in the scene are introduced by combining the drawings.
Fig. 1 is a schematic view of a scenario of a wireless screen transmission, where a scenario in which a user needs to share a conference document in a display device 1 in a conference is taken as an example, and due to limitation of a screen size of the display device 1, the user may connect the display device 1 with the wireless screen transmitter 3 using a connection line 2, and then transmit a picture of the conference document displayed in a screen of the display device 1 to an interactive flat plate (interactive white board) 4 hung on a wall body through the wireless screen transmitter 3 for display.
The display device 1 may also be a device with a display interface, such as a notebook computer, a tablet computer, a desktop computer, or a workstation.
The wireless screen transmitter 3 may also be referred to as a screen-throwing device, a wireless screen-throwing device, a screen transmitter, or the like. The wireless screen transmitter is provided with a USB interface, a memory, a processor and keys, and the processor is respectively connected with the USB interface, the memory and the keys. The USB interface is a USB device and is used for being connected with the display device. The wireless screen transmitter is connected with a display device (such as a notebook computer) through a USB interface. The wireless screen transmitter can be combined with the USB wire into a customized special USB wire, or can be combined with the USB dongle with the wireless screen transmitter and the standard USB wire. The wireless screen sensor can directly obtain power supply through the USB interface of the display device. One of the uses of the memory is to store a specific program or a loader of a specific program that is required for performing screen transfer. One of the purposes of the processor is to load a specific program stored in the memory or a download device of the specific program and then to carry out screen transmission control. The key is used for triggering the processor to generate related control instructions, for example, after the key is clicked, the processor receives operation data sent by the key and correspondingly generates a screen transmission instruction according to the operation data.
The interactive tablet 4 may also be referred to as an interactive smart tablet, a smart interactive whiteboard, a large screen tablet, etc. The hardware part of the interactive flat panel 4 is composed of a touch display module, an intelligent processing system (comprising a controller) and the like, and is combined together by an integral structural member, and meanwhile, the interactive flat panel 4 is supported by a special software system, wherein the touch display module comprises a display screen, a touch component and a backlight component, the backlight component is used for providing a backlight source for the display screen, the display screen generally adopts a liquid crystal display device for displaying pictures, the touch component is arranged on the display screen or at the front end of the display screen and is used for collecting touch operation data of a user, and the collected touch operation data is sent to the intelligent processing system for processing.
In practical use, the display screen of the interactive flat panel 4 displays image data, when a user clicks content displayed on the display screen, for example, clicks a graphic button displayed on the display screen, through a finger or a touch pen, the touch component of the interactive flat panel 4 acquires the touch data, so that the touch component converts the touch data into coordinate data of a touch point and then sends the coordinate data to the intelligent processing system, or the coordinate data is converted into coordinate data of the touch point by the intelligent processing system, after the intelligent processing system obtains the coordinate data of the touch point, corresponding control operation is realized according to a preset program, the display content of the display screen is driven to change, and diversified display and operation effects are realized.
Touch components can be distinguished from technical principles and can be divided into five basic categories; a vector pressure sensing technology touch assembly, a resistance technology touch assembly, a capacitance technology touch assembly, an electromagnetic technology touch screen, an infrared technology touch assembly and a surface acoustic wave technology touch assembly. Touch assemblies can be classified into four categories according to their operating principles and information transmission mediums: resistive, capacitive, electromagnetic, infrared, and surface acoustic wave.
When a user touches the display screen with a finger or a pen, the touch component can collect data of the touch point and send the data to the intelligent processing system, and then different functional applications are realized along with software built in the intelligent processing system, so that touch control of the intelligent processing system is realized.
The terms "screen" and "large screen" as referred to in the present application refer to the display screen of the interactive tablet 4; displaying an interface by the interactive tablet 4 means that the interface is displayed by the display screen of the interactive tablet 4.
The data connection between the interactive tablet 4 and the wireless screen transmitter 3 is not performed until a screen transmitting operation is performed, and the screen transmitting operation refers to that content on one screen is displayed on another screen, for example, content on a computer screen is displayed on the interactive tablet 4, or content on a mobile phone screen is displayed on the display interactive tablet 4 or a television screen. The wireless screen transmitter 3 is a transmission medium between two screens involved in the screen transmission process, can establish wired connection with equipment where one of the screens is located through an interface, and establishes wireless connection with the equipment where the two screens are located through a wireless module.
The wireless screen 3 and the interactive tablet 4 may be connected by wireless communication means including, but not limited to: wi-Fi, bluetooth, or other short-range wireless communication means, etc. In some implementations, the wireless screen 3 and the interactive tablet 4 may be provided by the same manufacturer, and a user may purchase the wireless screen 3 and the interactive tablet 4 at the same time, and after the interactive tablet 4 is installed on the wall of the conference room, use the wireless screen 3 to transmit the screen of the display device 1 to the interactive tablet 4 for display.
Data communication between the display device 1 and the wireless screen 3 is enabled, for example, a connection line 2 may be provided between the display device 1 and the wireless screen 3 to be connected to each other by wired communication. The connection line 2 may be a universal serial bus (Universal Serial Bus, abbreviated as USB) connection line, a high-definition multimedia interface (High Definition Multimedia Interface, abbreviated as HDMI) connection line, a Type-C connection line, a network cable, or the like.
In some embodiments, the connection line 2 may be provided separately from the wireless screen 3, and the connection line 2 may be provided by a manufacturer of the wireless screen 3 or purchased separately by a user. In other embodiments, the connection line 2 may be integrally provided with the wireless screen 3, that is, the connection line 2 and the wireless screen 3 together form an integral device, and at this time, the connection line 2 may be considered as a part of the wireless screen 3, so that when the user connects the wireless screen 3 to the display device 1, the step of connecting the wireless screen 3 to one end of the connection line 2 may be omitted, and only the display device 1 needs to be connected to the other end of the connection line, thereby improving efficiency, and avoiding the situation that the wireless screen 3 cannot be connected to the display device 1 because the connection line 2 cannot be found.
Before the display device 1 and the interaction panel 4 realize screen transfer, the wireless screen transfer device 3 needs to pair the interaction panel 4 to complete establishment of wireless connection. When pairing is performed for the first time, the wireless touch screen device 3 needs to be plugged into the interaction panel 4 to acquire pairing information, and pairing can be performed according to the pairing information.
The pairing information is information which is necessary to be used for establishing communication connection with the interaction panel, is generally used for searching for opposite-end equipment of communication, and corresponds to different pairing information in different communication modes. In general, the pairing information includes information of the wireless hotspot of the interactive tablet 4, an IP address of the interactive tablet 4, and the like, taking the wireless hotspot as a WiFi hotspot as an example, where the pairing information includes a name and a password of the WiFi hotspot, where the name of the WiFi hotspot is also called an identifier or SSID of the WiFi hotspot, and the password is used as authority authentication.
In the prior art, when the user modifies the SSID and/or password of the interactive panel, the WiFi information of the interactive panel is changed, so that the written WiFi information in the wireless screen sensor is inconsistent with the current WiFi information of the interactive panel, that is, the pairing information in the wireless screen sensor is invalid, at this time, the wireless screen sensor still uses the invalid pairing information to establish connection with the interactive panel, so that the screen sensor cannot be connected to the interactive panel.
At this time, the wireless screen transmitter prompts the user to pair with the interaction flat plate again, the user needs to plug the wireless screen transmitter on the interaction flat plate again, the interaction flat plate writes new pairing information into the wireless screen transmitter again, and the pairing can be completed, and the pairing mode is complicated.
In order to solve the problems in the prior art, the application provides a pairing method of a wireless screen transmitter, which can send out a special wireless hot spot, and the wireless hot spot information can not be modified by a user, so that the consistency of the wireless hot spot information written in the wireless screen transmitter and the wireless hot spot information of an interaction panel can be ensured, and the problem of hot spot failure caused by the modification of the wireless hot spot information can not occur.
Fig. 2 is a flowchart of a pairing method of wireless screen sensors according to an embodiment of the present application, as shown in fig. 2, the method provided in the embodiment includes the following steps.
S101, when the wireless screen transmitter is connected with the interaction flat board through a wired interface, the wireless screen transmitter receives pairing information sent by the interaction flat board through the wired interface, wherein the pairing information comprises information of a first wireless hot spot transmitted by the interaction flat board, and the information of the first wireless hot spot stored on the interaction flat board cannot be modified.
The interaction panel writes pairing information into the wireless screen transmitter in a wired mode, and the wireless screen transmitter is connected with the interaction panel through a wired interface. In one implementation, the wireless screen transmitter can be plugged into the interactive tablet by plugging; in another implementation mode, the wireless screen sensor is connected with the interactive flat board through a connecting wire, and two ends of the connecting wire are respectively connected with an interface of the wireless screen sensor and an interface of the interactive flat board.
When the wireless screen transmitter is connected with the interactive flat board in a plugging mode, the physical form of an interface of the wireless screen transmitter is a plug, and the physical form of a corresponding interface in the interactive flat board is a socket.
In this embodiment, the first wireless hotspot sent by the interactive tablet is different from the common wireless hotspot, and the information user of the existing common wireless hotspot can be modified through the interactive tablet, for example, the SSID and/or the password of the wireless hotspot are modified, but the information user of the first wireless hotspot in the embodiment cannot be modified through the interactive tablet, or the information of the first wireless hotspot stored in the interactive tablet cannot be modified.
In this embodiment, the information of the first wireless hotspot can be implemented in the following two ways, which cannot be modified by the user.
In the first mode, the name and the password of the first wireless hotspot are invisible to the user, the name and the password of the first wireless hotspot can be preset in equipment when the interactive tablet leaves the factory, and therefore the name and the password of the first wireless hotspot cannot be modified, and therefore the first wireless hotspot is equivalent to a private hotspot of the wireless screen projector, and network security is improved.
In a second mode, the name and the password of the first wireless hotspot are preset in the device when the first wireless hotspot name and password interaction tablet leaves the factory, and a user can acquire the name and the password of the first wireless hotspot, but cannot modify the name and the password of the first wireless hotspot. If other devices need to connect with the first wireless hotspot, the other devices need to manually input the name and the password of the first wireless hotspot to complete connection.
Optionally, in the embodiment of the present application, the first wireless hotspot cannot be scanned by the surrounding device, so that the name of the first wireless hotspot is not displayed in the wireless list of the surrounding device, and the first wireless hotspot is also called a hidden hotspot or a hidden hotspot.
Optionally, the interactive tablet further transmits a second wireless hotspot, which is a common wireless hotspot, information of the second wireless hotspot stored on the interactive tablet can be modified, and the second wireless hotspot information can be scanned by surrounding devices. Because the second wireless hotspot can be scanned by the surrounding equipment, the name of the second wireless hotspot is displayed in the wireless list of the surrounding equipment, if the second wireless hotspot is provided with a password, the user can be connected to the second wireless hotspot by inputting the password, and if the second wireless hotspot is not provided with the password, the user can be automatically connected to the second wireless hotspot.
It will be appreciated that, in addition to the information of the first wireless hotspot, the pairing information may also include an IP address of the first wireless hotspot or other information, and in different wireless manners, the information included in the pairing information may be different.
The information of the first wireless hot spot stored in the interactive panel cannot be modified, so that the consistency of the wireless hot spot information written in the wireless screen transmitter and the wireless hot spot information of the interactive panel can be ensured, and the problem of hot spot failure caused by modification of the wireless hot spot information can be avoided. Therefore, the situation that the wireless hot spot information of the interactive flat plate is modified and the interactive flat plate needs to write pairing information into the wireless screen throwing device again can be avoided, so that one interactive flat plate only needs to write pairing information into the wireless screen throwing device once, the pairing information is always effective until other interactive flat plates write new pairing information into the ineffective screen throwing device, the pairing information is covered, user operation is simplified, and the user does not need to repeatedly connect the interactive flat plate and the wireless screen throwing device together through a hardware interface due to the fact that the wireless hot spot information of the interactive flat plate is modified.
S102, the wireless screen sensor stores the pairing information.
After receiving the pairing information, the wireless screen sensor stores the pairing information, and when pairing is needed, the pairing information can be called. The wireless screen sensor can store the pairing information in a Flash memory of the wireless screen sensor, wherein the Flash memory is a nonvolatile memory, and stored data cannot be lost under the condition that the Flash memory is powered off. It will be appreciated that the wireless screen sensor may use any of the existing non-volatile memories to store the pairing information.
And S103, the wireless screen sensor is paired with the interaction panel according to the pairing information.
After the wireless screen sensor acquires the pairing information, wireless connection is established with the interactive flat board according to the pairing information, and the wireless connection can be Bluetooth connection or WiFi connection.
After the wireless screen transmitter and the interactive flat board are in wireless connection, data transmission can be carried out, the screen throwing data transmitted by a computer or a mobile phone used by a user are forwarded to the interactive flat board by the wireless screen transmitter, and the screen throwing data are displayed on a screen by the interactive flat board, so that wireless screen throwing is completed.
In this embodiment, when the wireless screen transmitter is connected to the interactive flat board through the wired interface, the wireless screen transmitter receives pairing information sent by the interactive flat board through the wired interface, the pairing information includes information of a first wireless hotspot transmitted by the interactive flat board, the information of the first wireless hotspot stored on the interactive flat board cannot be modified, the wireless screen transmitter stores the pairing information, and when pairing is needed, the wireless screen transmitter is paired with the interactive flat board according to the pairing information. Because the information of the first wireless hot spot stored in the interactive flat board cannot be modified, one interactive flat board only needs to write pairing information into the wireless screen throwing device once, the pairing information is valid until other interactive flat boards write new pairing information into the invalid screen throwing device, and therefore user operation is simplified, and the user does not need to re-write the pairing information after connecting the interactive flat board with the wireless screen throwing device through a hardware interface because the wireless hot spot information of the interactive flat board is modified.
Fig. 3 is a flowchart of a pairing method of wireless screen sensors according to a second embodiment of the present application, as shown in fig. 3, where the method provided in the present embodiment includes the following steps.
S201, the interactive tablet transmits a first wireless hotspot, and information of the first wireless hotspot cannot be modified.
Optionally, the first wireless hotspot cannot be scanned by the surrounding device, and the presence of the first wireless hotspot is not perceived by other users.
Optionally, the interactive tablet further transmits a second wireless hotspot, information of which can be modified, and the second wireless hotspot information can be scanned by the surrounding device.
The second wireless hotspot name may be displayed in a hotspot list of the interactive tablet, and the user modifies the name and/or password of the second wireless hotspot through the hotspot list. The first wireless hotspot may or may not be displayed in the hotspot list. When the first wireless hotspot is displayed in the hotspot list, the user is prohibited from modifying the name and/or password of the first wireless hotspot.
In this embodiment, the name and the password of the first wireless hotspot are visible or invisible to the user, and when the name and the password of the first wireless hotspot are visible to the user, the user cannot modify the name and the password of the first wireless hotspot, so that the effectiveness of writing pairing information of the wireless screen projector by the interactive tablet can be ensured.
And S202, when the interaction panel is connected with the wireless screen transmitter through a wired interface, the pairing information is written into the wireless screen transmitter through the wired interface, and the pairing information comprises information of a first wireless hot spot.
Before pairing, the interaction panel and the wireless screen transmitter conduct data transmission in a wired mode intelligently, so that the interaction panel writes wireless pairing information into the wireless screen transmitter through a wireless interface.
And after the wireless screen transmitter is paired with the interaction panel through the pairing information, receiving data sent by the wireless screen transmitter through the first wireless hot spot, displaying the data on a screen of the interaction panel, and completing screen throwing operation.
Optionally, in this embodiment, the following operations are further included: and modifying the information of the second wireless hotspot according to the user operation. And the user can open a network configuration interface through the hotspot list and modify the information of the second wireless hotspot through the network configuration interface.
In this embodiment, the interactive tablet may transmit a specific first wireless hotspot, where information about the first wireless hotspot cannot be modified, and when the interactive tablet is connected to the wireless screen transmitter through the wired interface, pairing information is written into the wireless screen transmitter through the wired interface, where the pairing information includes information about the first wireless hotspot. Because the first wireless hot spot cannot be modified, the information of the first wireless hot spot written into the wireless screen transmitter by the interactive flat panel can be ensured to be consistent with the information of the first wireless hot spot currently stored by the interactive flat panel, the situation that a user needs to reconnect the interactive flat panel and the wireless screen projector together through a hardware interface to write in pairing information due to the modification of the wireless hot spot information of the interactive flat panel is avoided, and the user operation is simplified.
Fig. 4 is a signaling flow chart of screen projection through a wireless screen sensor according to a third embodiment of the present application, in this embodiment, a user is taken to perform screen projection on a screen on a computer to an interactive tablet, and as shown in fig. 4, the method provided in this embodiment includes the following steps.
S301, the wireless screen sensor is inserted on the interaction flat board.
S302, the interaction flat plate transmits a first wireless hot spot and a second wireless hot spot, wherein the information of the first wireless hot spot cannot be modified, and the information of the second wireless hot spot can be modified.
And S303, the interaction panel sends pairing information to the wireless screen transmitter through the wired interface, wherein the pairing information comprises information of the first wireless hot spot.
S304, the wireless screen sensor stores pairing information.
S305, the wireless screen sensor is connected with a computer through a connecting wire.
S306, the wireless screen sensor establishes wireless connection with the interaction panel according to the pairing information.
The wireless connection is a connection corresponding to the first wireless hotspot.
S307, the computer receives a screen-throwing instruction input by a user.
And S308, the computer sends the screen throwing data to the wireless screen transmitter.
S309, the wireless screen transmitter transmits the screen throwing data to the interaction panel through wireless connection.
S310, interacting panel display projection data.
Fig. 5 is a schematic structural diagram of a pairing device of a wireless screen sensor according to a fourth embodiment of the present application, where the device 100 may be applied to a wireless screen sensor, as shown in fig. 5, and the device 100 provided in this embodiment includes the following modules.
The receiving module 11 is configured to receive, when the wireless screen transmitter is connected to the interaction panel through a wired interface, pairing information sent by the interaction panel through the wired interface, where the pairing information includes information of a first wireless hotspot transmitted by the interaction panel, and the information of the first wireless hotspot stored on the interaction panel cannot be modified;
a storage module 12 for storing the pairing information;
and the pairing module 13 is used for pairing with the interaction panel according to the pairing information.
Optionally, the first wireless hotspot cannot be scanned by the surrounding device.
Optionally, the interactive tablet further transmits a second wireless hotspot, information of the second wireless hotspot stored on the interactive tablet can be modified, and the second wireless hotspot information can be scanned by a surrounding device.
The device of the present embodiment may be used to execute the method executed by the wireless screen sensor in the foregoing method embodiment, and the specific implementation manner and technical effects are similar, and are not repeated here.
Fig. 6 is a schematic structural diagram of a pairing device of a wireless sensor according to a fifth embodiment of the present application, where the device 200 may be applied to an interactive tablet, and as shown in fig. 6, the device 200 provided in this embodiment includes the following modules.
A transmitting module 21, configured to transmit a first wireless hotspot, where information of the first wireless hotspot cannot be modified;
and the writing module 22 is configured to write pairing information into the wireless screen transmitter through the wired interface when the interaction panel is connected with the wireless screen transmitter through the wired interface, where the pairing information includes information of the first wireless hotspot.
Optionally, the first wireless hotspot cannot be scanned by the surrounding device.
Optionally, the interactive tablet further transmits a second wireless hotspot, information of the second wireless hotspot can be modified, and the second wireless hotspot information can be scanned by surrounding devices.
The device of the present embodiment may be used to execute the method executed by the interactive tablet in the foregoing method embodiment, and the specific implementation manner and technical effects are similar, and are not repeated herein.
Fig. 7 is a schematic structural diagram of a wireless screen projector according to a sixth embodiment of the present application, as shown in fig. 7, the wireless screen projector 300 includes: a processor 31, a memory 32 and a communication interface 33, wherein the memory 32 is used for storing instructions, and the memory 32 is also used for storing pairing information in the embodiment; the communication interface 33 is configured to communicate with other devices, in this embodiment, the user of the communication interface 33 communicates with the electronic device and the interactive tablet used by the user through a connection line, and the processor 31 is configured to execute the instructions stored in the memory, so that the wireless screen projector 300 executes a method executed by the wireless screen projector in the above method embodiment, and the specific implementation manner and technical effects are similar, and are not repeated herein.
Fig. 8 is a schematic structural diagram of an interaction tablet provided in a seventh embodiment of the present application, as shown in fig. 8, the intelligent interaction tablet 1000 may include: at least one processor 1001, at least one network interface 1004, a user interface 1003, a memory 1005, at least one communication bus 1002.
Wherein the communication bus 1002 is used to enable connected communication between these components.
The user interface 1003 may include a Display screen (Display) and a Camera (Camera), and the optional user interface 1003 may further include a standard wired interface and a wireless interface.
The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), among others.
Wherein the processor 1001 may include one or more processing cores. Processor 1001 interfaces and lines with various portions of the overall intelligent interaction tablet 1000 by executing or executing instructions, programs, code sets, or instruction sets stored in memory 1005 and invoking data stored in memory 1005 to perform various functions for intelligent interaction tablet 1000 and to process data. Alternatively, the processor 1001 may be implemented in at least one hardware form of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor 1001 may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), and a modem, etc. The CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing the content required to be displayed by the display screen; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor 1001 and may be implemented by a single chip.
The Memory 1005 may include a random access Memory (Random Access Memory, RAM) or a Read-Only Memory (Read-Only Memory). Optionally, the memory 1005 includes a non-transitory computer readable medium (non-transitory computer-readable storage medium). The memory 1005 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 1005 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the above-described respective method embodiments, etc.; the storage data area may store data or the like referred to in the above respective method embodiments. The memory 1005 may also optionally be at least one storage device located remotely from the processor 1001. As shown in FIG. 8, an operating system, a network communication module, a user interface module, and an operating application of the intelligent interactive tablet may be included in memory 1005, which is a type of computer storage medium.
In the intelligent interactive tablet 1000 shown in fig. 8, the user interface 1003 is mainly used for providing an input interface for a user, and acquiring data input by the user; and the processor 1001 may be configured to call an operating application of the intelligent interactive tablet stored in the memory 1005, and specifically perform the following operations:
Transmitting a first wireless hotspot, the information of which cannot be modified;
when the interaction panel is connected with the wireless screen transmitter through a wired interface, pairing information is written into the wireless screen transmitter through the wired interface, and the pairing information comprises information of the first wireless hot spot.
In one embodiment, the first wireless hotspot cannot be scanned by a surrounding device.
The processor 1001 also performs the following steps: a second wireless hotspot is transmitted, information of which can be modified, and the second wireless hotspot information can be scanned by surrounding devices.
In one embodiment, the name of the second wireless hotspot and the name of the first wireless hotspot are displayed in a hotspot list of the interactive tablet.
In one embodiment, the processor 1001 further performs the steps of: and after the wireless screen transmitter is paired with the interaction panel through the pairing information, receiving data sent by the wireless screen transmitter through the first wireless hot spot.
In one embodiment, the processor 1001 further performs the steps of: and modifying the information of the second wireless hotspot according to the user operation.
The specific implementation manner and technical effect of this embodiment refer to the description of the method embodiment, and are not repeated here.
An eighth embodiment of the present application provides a computer readable storage medium, where computer execution instructions are stored, where the computer execution instructions are used to implement method steps executed by a wireless screen transmitter in the foregoing method embodiment when executed by a processor, and detailed implementation manner and technical effects are similar, and are not repeated herein.
An embodiment of the present application provides a computer readable storage medium, where computer execution instructions are stored, where the computer execution instructions are used to implement method steps of interactive panel execution in the embodiment of the method when executed by a processor, and detailed implementation manner and technical effects are similar, and are not repeated herein.
An embodiment of the present application provides a computer program product, which includes a computer program, where the computer program when executed by a processor implements method steps executed by a wireless screen transmitter in the foregoing method embodiment, and specific implementation manners and technical effects are similar, and are not repeated herein.
An embodiment of the present application provides a computer program product, which includes a computer program, where the computer program when executed by a processor implements method steps of interactive flat panel execution in the foregoing method embodiment, and detailed implementation manners and technical effects are similar, and are not repeated herein.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (14)
1. A method of pairing wireless screen sensors, the method comprising:
when a wireless screen transmitter is connected with an interactive flat board through a wired interface, the wireless screen transmitter receives pairing information sent by the interactive flat board through the wired interface, the pairing information comprises information of a first wireless hot spot transmitted by the interactive flat board, the information of the first wireless hot spot stored on the interactive flat board cannot be modified, so that the interactive flat board performs primary pairing information writing on the wireless screen transmitter, and the information of the first wireless hot spot comprises a name and a password of the first wireless hot spot;
The wireless screen sensor stores the pairing information;
the wireless screen sensor is paired with the interaction panel according to the pairing information;
the interactive tablet also transmits a second wireless hotspot, information of the second wireless hotspot stored on the interactive tablet can be modified, and the second wireless hotspot information can be scanned by surrounding devices.
2. The method of claim 1, wherein the first wireless hotspot cannot be scanned by a surrounding device.
3. A method of pairing wireless screen sensors, the method comprising:
the interaction panel transmits a first wireless hot spot, and the information of the first wireless hot spot cannot be modified, so that the interaction panel performs pairing information writing on the wireless screen transmitter once;
when the interaction flat plate is connected with the wireless screen transmitter through a wired interface, pairing information is written into the wireless screen transmitter through the wired interface, the pairing information comprises information of the first wireless hot spot, and the information of the first wireless hot spot comprises a name and a password of the first wireless hot spot;
the interactive tablet also transmits a second wireless hotspot, information of which can be modified, and the second wireless hotspot information can be scanned by surrounding devices.
4. A method according to claim 3, wherein the first wireless hotspot cannot be scanned by a surrounding device.
5. The method of claim 3, wherein the name of the second wireless hotspot and the name of the first wireless hotspot are displayed in a hotspot list of the interactive tablet.
6. A method according to claim 3, further comprising:
and after the wireless screen transmitter is paired with the interaction panel through the pairing information, receiving data sent by the wireless screen transmitter through the first wireless hot spot.
7. A method according to claim 3, further comprising:
and modifying the information of the second wireless hotspot according to the user operation.
8. A pairing device for a wireless screen sensor, comprising:
the device comprises a receiving module, a wireless screen transmitter and an interaction panel, wherein the receiving module is used for receiving pairing information sent by the interaction panel through a wired interface when the wireless screen transmitter is connected with the interaction panel, the pairing information comprises information of a first wireless hotspot transmitted by the interaction panel, the information of the first wireless hotspot stored on the interaction panel cannot be modified, so that the interaction panel can write pairing information into the wireless screen transmitter once, and the information of the first wireless hotspot comprises a name and a password of the first wireless hotspot;
The storage module is used for storing the pairing information;
the pairing module is used for pairing with the interaction panel according to the pairing information;
the interactive tablet also transmits a second wireless hotspot, information of the second wireless hotspot stored on the interactive tablet can be modified, and the second wireless hotspot information can be scanned by surrounding devices.
9. The apparatus of claim 8, wherein the first wireless hotspot cannot be scanned by a surrounding device.
10. A pairing device for a wireless screen sensor, comprising:
the transmitting module is used for transmitting a first wireless hot spot, and the information of the first wireless hot spot cannot be modified so that the interaction panel performs primary pairing information writing on the wireless screen transmitter;
the writing module is used for writing pairing information into the wireless screen transmitter through the wired interface when the interaction panel is connected with the wireless screen transmitter through the wired interface, wherein the pairing information comprises information of the first wireless hot spot, and the information of the first wireless hot spot comprises a name and a password of the first wireless hot spot;
the interactive tablet also transmits a second wireless hotspot, information of which can be modified, and the second wireless hotspot information can be scanned by surrounding devices.
11. The apparatus of claim 10, wherein the first wireless hotspot cannot be scanned by a surrounding device.
12. A wireless screen sensor, comprising: at least one processor, memory, and a communication interface;
the memory stores computer-executable instructions;
the communication interface is used for communicating with other devices;
the at least one processor executing computer-executable instructions stored in the memory causes the at least one processor to perform the method of claim 1 or 2.
13. An intelligent interactive tablet, comprising: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the method steps of any of claims 3-7.
14. A computer readable storage medium having stored therein computer executable instructions for implementing the method of claim 1 or 2 or the method of any of claims 3 to 7 when executed by a processor.
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| CN108924837A (en) * | 2018-08-01 | 2018-11-30 | 广州视源电子科技股份有限公司 | The matching method of intelligent interaction device, device and system |
| CN111601120A (en) * | 2020-04-21 | 2020-08-28 | 江苏大学 | Wireless screen transmission display system and display method |
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| US20150173108A1 (en) * | 2013-12-13 | 2015-06-18 | Qualcomm Incorporated | Systems and methods for switching a set of wireless interactive devices |
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| CN107046736A (en) * | 2017-05-19 | 2017-08-15 | 广州视源电子科技股份有限公司 | Connection method, wireless screen transmission equipment and display device for wireless screen transmission equipment |
| CN108924837A (en) * | 2018-08-01 | 2018-11-30 | 广州视源电子科技股份有限公司 | The matching method of intelligent interaction device, device and system |
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