WO2017143663A1 - 电子交互系统及其设置方法 - Google Patents
电子交互系统及其设置方法 Download PDFInfo
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- WO2017143663A1 WO2017143663A1 PCT/CN2016/081632 CN2016081632W WO2017143663A1 WO 2017143663 A1 WO2017143663 A1 WO 2017143663A1 CN 2016081632 W CN2016081632 W CN 2016081632W WO 2017143663 A1 WO2017143663 A1 WO 2017143663A1
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- electronic
- radio frequency
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- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 230000003993 interaction Effects 0.000 claims description 28
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- 230000002452 interceptive effect Effects 0.000 description 2
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
- G06F3/1462—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay with means for detecting differences between the image stored in the host and the images displayed on the remote displays
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/005—Adapting incoming signals to the display format of the display terminal
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2354/00—Aspects of interface with display user
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/06—Consumer Electronics Control, i.e. control of another device by a display or vice versa
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/12—Use of DVI or HDMI protocol in interfaces along the display data pipeline
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/16—Use of wireless transmission of display information
Definitions
- Embodiments of the present disclosure relate to an electronic interactive system and a method of setting the same in the field of display technology.
- the electronic whiteboard was developed from an ordinary whiteboard.
- the electronic whiteboard can communicate with the computer, for example, by connecting the electronic whiteboard to the computer, and the content on the computer can be displayed on the electronic whiteboard screen, and a large-screen conference or teaching environment can be constructed for the user to use for the presentation or explain.
- the conventional whiteboard After the conventional whiteboard is connected to the computer, if the user wants to switch the page displayed on the electronic whiteboard or open other files stored in the computer when the user performs a demonstration or explanation in front of the electronic whiteboard, the user needs to return to the computer and on the computer.
- the corresponding operation is performed to switch the display content, so that the user needs to frequently go back and forth between the electronic whiteboard and the computer during the presentation or explanation process, which causes the operation to be cumbersome, wastes time, and affects the user's use effect. Obstruct the participation of participants.
- Embodiments of the present disclosure provide an electronic interaction system and a method of setting the same.
- the electronic interaction system and the setting method thereof can realize a wireless connection between the electronic whiteboard and the electronic terminal device, so that the electronic whiteboard can display the file in the electronic terminal device without space limitation, and the electronic whiteboard has a touch function, so that the user
- the electronic terminal device can be controlled by touching the electronic whiteboard.
- An electronic interaction system includes a wireless transmission unit respectively connected to an electronic terminal device and an electronic whiteboard, wherein the wireless transmission unit is configured to transmit a data signal of the electronic terminal device in a wireless manner To the electronic whiteboard, and transmitting the touch signal of the electronic whiteboard to the electronic terminal device in a wireless form.
- An embodiment of the present disclosure further provides a method for setting an electronic interaction system, including:
- the first radio frequency transmitting module and the first radio frequency receiving module in the first radio frequency transmission group are respectively connected to the electronic terminal device and the electronic whiteboard through a first type of data line, the electronic terminal device and the electronic device
- the operating system of the whiteboard is provided with the HID protocol, so that the data signal of the electronic terminal device can be transmitted to the electronic whiteboard in the form of radio frequency;
- the second radio frequency transmitting module and the second radio frequency receiving module in the second radio frequency transmission group are respectively connected to the electronic whiteboard and the electronic terminal device by using the second type of data line, so that the touch signal of the electronic whiteboard is
- the electronic terminal device can be transmitted to the electronic terminal device in the form of radio frequency to realize mutual control between the electronic whiteboard and the electronic terminal device.
- FIG. 1 is a schematic block diagram showing the composition of an electronic interaction system according to an embodiment of the present disclosure
- FIG. 2 is a schematic block diagram of a first radio frequency transmitting module according to an embodiment of the present disclosure
- FIG. 3 is a schematic block diagram of a first radio frequency receiving module according to an embodiment of the present disclosure
- FIG. 4 is a schematic block diagram of a second radio frequency transmitting module according to an embodiment of the present disclosure
- FIG. 5 is a schematic block diagram of a second radio frequency receiving module according to an embodiment of the present disclosure.
- FIG. 6 is a schematic block diagram showing the composition of an electronic whiteboard according to an embodiment of the present disclosure.
- FIG. 7 is a schematic diagram of a flow of data signals in an electronic interaction system according to an embodiment of the present disclosure.
- a first radio frequency transmitting module 31, an audio and video decoder; 32, a signal modulator; 33, a first signal transmitter;
- a first RF receiving module 41, a first signal receiver; 42, a signal demodulator; 43, an audio and video encoder;
- a second RF receiving module 60, a second RF receiving module; 61, a second signal receiver; 62, a second data processor; 63, a USB communicator.
- Embodiments of the present disclosure provide an electronic interaction system capable of implementing a wireless connection between an electronic whiteboard and an electronic terminal device, and the electronic whiteboard has a touch function.
- the electronic interaction system includes an electronic terminal device 10, an electronic whiteboard 20, and a wireless transmission unit 12, wherein the electronic terminal device 10 and the electronic device
- the whiteboard 20 adopts a suitable HID protocol (the human interface device protocol), and the wireless transmission unit 12 is configured to transmit the touch signal of the electronic whiteboard 20 to the electronic terminal device 10 in a wireless manner to implement the electronic whiteboard 20
- HID protocol the human interface device protocol
- the HID protocol is an interactive protocol for the operating system's own drivers. Therefore, it is only necessary to set the data signal to a signal transmission format compatible (or compatible) with the HID protocol in the wireless transmission unit 12, thereby creating a wireless transmission of the data signal between the electronic terminal device 10 and the electronic whiteboard 20. The basis of the program.
- the wireless transmission unit 12 includes a first radio frequency transmission group and a second radio frequency transmission group, where the first radio frequency transmission group includes a first radio frequency transmission module 30 and a first radio frequency receiving module 40; and the second radio frequency transmission group includes a second radio frequency The transmitting module 50 and the second radio receiving module 60.
- the first radio frequency transmitting module 30 is connected to the electronic terminal device 10 for transmitting the data signal of the electronic terminal device 10 to the first radio frequency receiving module 40 in the form of radio frequency.
- the first radio frequency receiving module 40 is connected to the electronic whiteboard 20 for receiving.
- the data signal sent by the first RF transmitting module 30 transmits the received data signal to the electronic whiteboard 20.
- the data signals herein include audio data signals, video data signals, image data signals, and/or other data signals.
- the electronic whiteboard 20 is based on The received audio data signal and video data signal play corresponding audio and video.
- the electronic whiteboard 20 performs corresponding image display based on the received image data signal.
- the second RF transmitting module 50 is connected to the electronic whiteboard 20, and the touch signal sent by the electronic whiteboard 20 is sent to the second RF receiving module 60 in the form of radio frequency.
- the second RF receiving module 60 is connected to the electronic terminal device 10. Receiving the touch signal transmitted from the electronic whiteboard 20 and transmitting the received touch signal to the electronic terminal device 10.
- the electronic terminal device 10 performs a corresponding operation according to the received touch signal.
- the operations herein may include switching pages displayed on the electronic whiteboard 20, opening other files, and/or other operations.
- the user's touch operation on the electronic whiteboard 20 can be equivalent to the user's operation of the computer through the mouse.
- FIG. 2 is a schematic block diagram of the composition of the first radio frequency transmitting module 30, in order to transmit the audio data signal, the video data signal or other data signals of the electronic terminal device 10 in the form of radio frequency.
- the first radio frequency transmitting module 30 may include an audio and video decoder 31, a signal modulator 32, and a first signal transmitter 33.
- the audio/video decoder 31 is coupled to the electronic terminal device 10 for converting the audio data signal of the electronic terminal device 10 into an I2S (Inter-IC Sound) signal form and/or required by the signal modulator 32.
- the video data signal is converted to a transistor-transistor logic (TTL) signal form required by signal modulator 32 and the converted data signal is transmitted to signal modulator 32.
- TTL transistor-transistor logic
- the signal modulator 32 is configured to modulate the video data signal in the form of a TTL signal and the audio data signal in the form of an I2S signal, and transmit the modulated data signal to the first signal transmitter 33; the first signal transmitter 33 is configured to The modulated audio data signal and video data signal are transmitted to the first radio frequency receiving module 40 in the form of radio frequency.
- the TTL signal form is a form of video data signal, which enables synchronous high-speed transmission of video data signals between devices.
- the I2S signal form is a signal form of digital audio data, which enables synchronous high-speed transmission of audio data signals between devices.
- I2S is a bus standard for audio data transmission between digital audio devices that can transmit clock and data signals along separate wires, avoiding time-induced distortion by separating clock signals from data signals.
- the audio and video decoder 31 and the signal modulator 32 can be implemented using software, hardware, and/or a combination of software and hardware.
- audio and video decoder 31 and signal modulator 32 may be implemented using programmable logic devices (eg, FPGAs), ASICs, DSPs, and/or other boards, chips.
- the first signal transmitter 33 may include an antenna or other radio frequency signal transmitting device.
- the first radio frequency transmitting module 30 may also include a processor (eg, a CPU), a memory, and the like.
- the processor can process the data signals and can include various computing structures, such as a Complex Instruction Set Computer (CISC) architecture, a Structured Reduced Instruction Set Computer (RISC) architecture, or a structure that implements a combination of multiple instruction sets.
- the memory can hold instructions and/or data executed by the processor. These instructions and/or data may include code for implementing some or all of the functions of one or more of the modules described in the embodiments of the invention.
- the memory includes dynamic random access memory (DRAM), static random access memory (SRAM), flash memory, optical memory, or other memory well known to those skilled in the art.
- FIG. 3 is a schematic block diagram of the first radio frequency receiving module 40, as shown in FIG.
- the first radio frequency receiving module 40 includes a first signal receiver 41, a signal demodulator 42, and an audio and video encoder 43.
- the first signal receiver 41 is configured to receive the audio data signal and the video data signal of the electronic terminal device 10 transmitted by the first RF transmitting module 30 in the form of radio frequency, and transmit the received data signal to the signal demodulator 42.
- the signal demodulator 42 is for demodulating the audio data signal and the video data signal, and transmitting the demodulated data signal to the audio and video encoder 43.
- the audio/video encoder 43 is connected to the electronic whiteboard 20 for encoding and transmitting the demodulated audio data signal and video data signal to the electronic whiteboard 20. After receiving the audio data signal and the video data signal, the electronic whiteboard 20 can play the corresponding audio and video.
- the audio and video encoder 43 can perform the reverse operation of the audio and video decoder 31.
- Signal demodulator 42 may perform the inverse of signal modulator 32.
- the audio and video encoder 43 and the audio and video decoder 31 may be combined into an audio and video decoding encoder.
- Signal demodulator 42 and signal modulator 32 can be combined into a signal modem.
- a high definition multimedia interface (HDMI) data line, a DP (Display Port) data line, and a video graphics array (VGA) data line may be connected. That is to say, the audio/video decoder 31 and the electronic terminal device 10 can be connected by any one of an HDMI data line, a DP data line, and a VGA data line; the audio/video encoder 43 and the electronic whiteboard 20 can also pass through Any one of the HDMI data line, DP data line, and VGA data line is connected.
- HDMI HDMI data line
- DP data line Display Port
- VGA video graphics array
- HDMI data line and the DP data line are wires for transmitting high-definition multimedia video signals.
- HDMI data cable and DP data cable deliver high-quality uncompressed HD video and multi-channel sound Frequency data, the highest data transmission speed is 5Gbps. At the same time, the highest quality audio data signal and video data signal transmission can be guaranteed.
- VGA data line When the VGA data line is used for signal transmission, it is necessary to perform digital/analog and analog/digital conversion on the signal before signal transmission to realize signal transmission.
- the electronic terminal device 10 and the electronic whiteboard 20 are provided with corresponding HDMI data interfaces, DP data interfaces or VGA data interfaces.
- the first radio frequency receiving module 40 can be externally connected or built in the electronic whiteboard 20 according to actual needs.
- the first radio frequency transmitting module 30 is configured to transmit the audio data signal and the video data signal of the electronic terminal device 10 to the first radio frequency receiving module 40 in the form of radio frequency, based on the electronic terminal device 10 and the electronic whiteboard 20. Thereby, the electronic whiteboard 20 plays the corresponding audio and video.
- the audio and video encoder 43 and the signal demodulator 42 can be implemented using software, hardware, and/or a combination of software and hardware.
- audio and video encoder 43 and signal demodulator 42 may be implemented using programmable logic devices (eg, FPGAs), ASICs, DSPs, and/or other boards, chips.
- the first signal receiver 41 may include an antenna or other radio frequency signal receiving device.
- the first radio frequency receiving module 40 may also include a processor (eg, a CPU), a memory, and the like.
- the second RF transmitting module 50 includes a data collector 51, a first data processor 52, and a second signal transmitter 53.
- the data collector 51 is connected to the electronic whiteboard 20 for collecting touch signals transmitted from the electronic whiteboard 20, and transmitting the collected touch signals to the first data processor 52.
- the first data processor 52 is used for touch control.
- the signal is packaged into a data packet conforming to the wireless transmission format, and the data packet is transmitted to the second signal transmitter 53.
- the second signal transmitter 53 is configured to send the touch signal in the data packet format to the second RF receiving module 60.
- the user touches the electronic whiteboard 20 to generate the touch input information, so that the electronic whiteboard 20 generates a corresponding touch signal; the touch signal can be sent to the second RF receiving module 60 via the second RF transmitting module 50.
- the second RF transmitting module 50 can be externally connected or built in the electronic whiteboard 20 according to actual needs.
- data collector 51 and first data processor 52 can be implemented using software, hardware, and/or a combination of software and hardware.
- the data collector 51 and the first data processor 52 can It is implemented using programmable logic devices (eg, FPGAs), ASICs, DSPs, and/or other boards, chips.
- the second signal transmitter 53 may include an antenna or other radio frequency signal transmitting device.
- the second radio frequency transmitting module 50 may also include a processor (eg, a CPU), a memory, and the like.
- the second radio frequency receiving module 60 includes a second signal receiver 61, a second data processor 62, and a USB communicator 63.
- the signal receiver 61 is configured to receive the touch signal sent by the second RF transmitting module 50, and transmit the touch signal to the second data processor 62.
- the second data processor 62 is configured to convert the data format of the touch signal.
- the data format of the HID protocol is transmitted, and the converted touch signal is transmitted to the USB communicator 63.
- the USB communicator 63 is connected to the electronic terminal device 10 for transmitting the touch signal to the electronic terminal device 10.
- USB data line is connected between the data collector 51 and the electronic whiteboard 20, and between the USB communicator 63 and the electronic terminal device 10.
- the USB cable can support all models of the computer, and the signal transmission is fast and stable.
- the second data processor 62 can be implemented using software, hardware, and/or a combination of software and hardware.
- the second data processor 62 can be implemented using a programmable logic device (eg, an FPGA), an ASIC, a DSP, and/or other circuit boards, chips.
- the second signal receiver 61 may include an antenna or other radio frequency signal receiving device.
- the USB communicator 63 can include a USB communication interface.
- the second radio frequency receiving module 60 may also include a processor (eg, a CPU), a memory, and the like.
- the electronic terminal device 10 and the electronic whiteboard 20 adopt a suitable HID protocol, so that the second RF transmitting module 50 can transmit the touch signal of the electronic whiteboard 20 to the second RF receiving module 60 in the form of radio frequency, thereby making the electronic terminal device 10 (for example, a computer) performs a corresponding operation to realize control of the electronic terminal device 10 by the electronic whiteboard 20.
- the electronic whiteboard 20 has the functions of playing video and audio and the function of touching.
- FIG. 6 is a schematic block diagram of the composition of the electronic whiteboard 20. As shown in FIG. 6, the electronic whiteboard 20 includes a display module 21, a power amplifier module 22, a touch module 23, and Processing module 24. The display module 21, the power amplifier module 22, and the touch module 23 are all connected to the processing module 24.
- the video data signal sent by the electronic terminal device 10 is sent to the electronic whiteboard 20 via the first radio frequency transmission group, and is processed by the processing module 24 to be transmitted to the display module 21 for playing the corresponding video;
- the audio data signal sent by the electronic terminal device 10 is The first RF transmission group is sent to the electronic whiteboard 20, and after being processed by the processing module 24, it is transmitted to the power amplifier module 22 The corresponding audio is played;
- the touch signal sent by the touch module 23 is processed by the processing module 24 and then transmitted to the electronic terminal device 10 via the second RF transmission group.
- the first radio frequency receiving module 40 and the second radio frequency transmitting module 50 are both externally connected to the electronic whiteboard 20.
- processing module 24 may be implemented using software, hardware, and/or a combination of software and hardware.
- processing module 24 can be implemented using programmable logic devices (eg, FPGAs), ASICs, DSPs, and/or other boards, chips.
- processing module 24 can include a processor (eg, a CPU), a memory, and the like.
- Display module 21 can include a display panel or other display device.
- the power amplifier module 22 may include an amplifier (eg, a power amplifier), a speaker, and the like.
- the touch module 23 can include a touch screen. For example, the display module 21 and the touch module 23 can be combined into a display with a touch function.
- FIG. 7 is a schematic flow diagram of data signals in an electronic interaction system provided by an embodiment of the present disclosure.
- the touch module 23 receives a touch input from a user and generates a corresponding touch signal.
- the touch signal is sent by the touch module 23, and then reaches the electronic terminal device 10 via the processing module 24, the second RF transmitting module 50, and the second RF receiving module 60.
- the video data signal is sent by the electronic terminal device 10, and sequentially
- the radio frequency transmitting module 30, the first radio frequency receiving module 40, and the processing module 24 arrive at the display module 21;
- the audio data signal is sent by the electronic terminal device 10, and sequentially passes through the first radio frequency transmitting module 30, the first radio frequency receiving module 40, and the processing module 24.
- the power amplifier module 22 is reached.
- the image data signal is sent by the electronic terminal device 10, and then reaches the display module 21 via the first RF transmitting module 30, the first RF receiving module 40, and the processing module 24, causing the display module 21 to display the image data signal.
- the electronic interaction system provided by the embodiment of the present disclosure is based on radio frequency transmission.
- the video data signal and the audio data signal of the electronic terminal device are wirelessly transmitted to the electronic whiteboard through the first radio frequency transmission group.
- the second radio frequency transmission group is implemented.
- the wireless communication between the electronic whiteboard and the electronic terminal device is realized by wirelessly transmitting the touch signal of the electronic whiteboard to the electronic terminal device, so that the electronic whiteboard can display the file in the electronic terminal device without space limitation;
- the control function enables the user to control the electronic terminal device by touching the electronic whiteboard, and the user can complete the screen switching and open other stored files through the touch electronic whiteboard, thereby realizing mutual control between the electronic whiteboard and the electronic terminal device, and the operation is convenient. Save time and work well.
- An embodiment of the present disclosure provides a method for setting an electronic interaction system, and the method for setting the electronic interaction system includes the following steps:
- Step 1 The first radio frequency transmitting module and the first radio frequency receiving module in the first radio frequency transmission group are respectively separated by a first type of data line (for example, any one of an HDMI data line, a DP data line, and a VGA data line)
- a first type of data line for example, any one of an HDMI data line, a DP data line, and a VGA data line
- the operating system of the electronic terminal device and the electronic whiteboard comes with the HID protocol, so that the data signal of the electronic terminal device can be transmitted to the electronic whiteboard in the form of radio frequency.
- Step 2 The second radio frequency transmitting module and the second radio frequency receiving module in the second radio frequency transmission group are respectively connected to the electronic whiteboard and the electronic terminal device through the second type of data line (for example, a USB data line), so that the electronic whiteboard is connected
- the touch signal can be transmitted to the electronic terminal device in the form of radio frequency to realize mutual control between the electronic whiteboard and the electronic terminal device.
- the electronic terminal device, the electronic whiteboard, the first radio frequency transmission group and the second radio frequency transmission group in this embodiment are the same as the electronic terminal device, the electronic whiteboard, the first radio frequency transmission group and the second radio frequency transmission group in FIG. 1-7 or Similar, it will not be repeated here.
- the image display of the electronic whiteboard to the electronic terminal device can be realized, and the control of the electronic terminal device by the electronic whiteboard can be realized.
- the sequence of steps can be exchanged arbitrarily, and the data signals can be wirelessly transmitted between the electronic terminal device and the electronic whiteboard, thereby avoiding the limitation caused by the wired connection, so that the electronic whiteboard can display the electronic terminal device without space limitation. file.
- the touch signal of the electronic whiteboard can be transmitted to the electronic terminal device in the form of radio frequency, so that the electronic terminal device performs corresponding operations, and the user can complete the switching of the screen and open other stored files through the touch electronic whiteboard, and the operation is convenient. Save time and ease of use.
- the terms “mounted,” “connected,” and “connected” are used in a broad sense, and may be, for example, a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be directly connected, or it can be connected indirectly through an intermediate medium, which can be the internal connection of two components.
- the specific meanings of the above terms in the present disclosure can be understood by those skilled in the art on a case-by-case basis.
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- General Engineering & Computer Science (AREA)
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Abstract
Description
Claims (15)
- 一种电子交互系统,包括与电子终端设备和电子白板分别连接的无线传输单元,其中,所述无线传输单元被配置为将所述电子终端设备的数据信号以无线形式传输至所述电子白板,以及将所述电子白板的触控信号以无线形式传输至所述电子终端设备。
- 根据权利要求1所述的电子交互系统,其中,所述无线形式为射频形式,所述无线传输单元包括第一射频传输组和第二射频传输组,所述第一射频传输组包括第一射频发送模块和第一射频接收模块,所述第二射频传输组包括第二射频发送模块和第二射频接收模块;所述第一射频发送模块,与所述电子终端设备连接,被配置为将所述电子终端设备的数据信号以射频形式发送至所述第一射频接收模块;所述第一射频接收模块,与所述电子白板连接,被配置为接收所述第一射频发送模块发送的数据信号、并将接收到的数据信号传输至所述电子白板;所述第二射频发送模块,与所述电子白板连接,被配置为将所述电子白板传来的触控信号以射频形式发送至所述第二射频接收模块;以及所述第二射频接收模块,与所述电子终端设备连接,被配置为接收所述第二射频发送模块发送的触控信号、并将接收到的触控信号传输至所述电子终端设备,使得所述电子终端设备执行与所述触控信号相应的操作。
- 根据权利要求2所述的电子交互系统,其中,所述数据信号包括音频数据信号和视频数据信号中的至少一项,所述第一射频发送模块包括音视频解码器、信号调制器和第一信号发送器;所述音视频解码器,与所述电子终端设备连接,被配置为将所述电子终端设备的音频数据信号和视频数据信号分别转化为所述信号调制器处理的集成电路内置音频总线(I2S)信号形式和晶体管-晶体管逻辑(TTL)信号形式,并将转化后的数据信号传输至所述信号调制器;所述信号调制器,被配置为对I2S信号形式的音频数据信号和TTL信号形式的视频数据信号进行调制,并将调制后的数据信号传输至所述第一信号 发送器;以及所述第一信号发送器,被配置为将调制后的音频数据信号和视频数据信号以射频形式发送至所述第一射频接收模块。
- 根据权利要求3所述的电子交互系统,其中,所述音视频解码器与所述电子终端设备通过HDMI数据线、DP数据线、VGA数据线中的任一种连接。
- 根据权利要求2所述的电子交互系统,其中,所述第一射频接收模块包括第一信号接收器、信号解调器和音视频编码器,所述数据信号包括音频数据信号和视频数据信号中的至少一项;所述第一信号接收器,被配置为接收所述第一射频发送模块以射频形式发送的所述电子终端设备的所述数据信号,并将接收的数据信号传输至所述信号解调器;所述信号解调器,用于对所述数据信号进行解调,并将解调后的数据信号传输至所述音视频编码器;以及所述音视频编码器,与所述电子白板连接,被配置为将解调后的数据信号进行编码后发送至所述电子白板。
- 根据权利要求5所述的电子交互系统,其中,所述音视频编码器与所述电子白板通过HDMI数据线、DP数据线、VGA数据线中的任一种连接。
- 根据权利要求2所述的电子交互系统,还包括所述电子终端设备和所述电子白板,其中,所述电子终端设备和所述电子白板均采用人机接口设备(HID)协议。
- 根据权利要求7所述的电子交互系统,其中,所述电子白板包括显示模块、功放模块、触控模块和处理模块,所述显示模块、所述功放模块、所述触控模块均与所述处理模块连接;所述电子终端设备发出的视频数据信号经所述第一射频传输组发送至所 述电子白板,经所述处理模块进行视频处理后,传输至所述显示模块播放相应的视频;所述电子终端设备发出的音频数据信号经所述第一射频传输组发送至所述电子白板,经所述处理模块进行音频处理后,传输至所述功放模块播放相应的音频;以及所述触控模块发出的触控信号经所述处理模块进行触控信号处理后,经所述第二射频传输组传输至所述电子终端设备。
- 根据权利要求2所述的电子交互系统,其中,所述第二射频发送模块包括数据采集器、第一数据处理器和第二信号发送器;所述数据采集器,与所述电子白板连接,被配置为采集所述电子白板传来的触控信号,并将采集的触控信号传输至所述第一数据处理器;所述第一数据处理器,被配置为将采集的触控信号打包为符合无线传输格式的数据包,并将所述数据包格式的触控信号传输至所述第二信号发送器;以及所述第二信号发送器,被配置为将所述数据包格式的触控信号发送至所述第二射频接收模块。
- 根据权利要求9所述的电子交互系统,其中,所述数据采集器通过USB数据线与所述电子白板连接。
- 根据权利要求2所述的电子交互系统,其中,所述第二射频接收模块包括第二信号接收器、第二数据处理器和USB通信器;所述第二信号接收器,被配置为接收所述第二射频发送模块发送来的触控信号,并将接收到的触控信号传输至所述第二数据处理器;所述第二数据处理器,被配置为将所述触控信号的数据格式转化为HID协议的数据格式,并将转化后的触控信号传输至所述USB通信器;所述USB通信器,与所述电子终端设备连接,被配置为将转化后的触控 信号传送至所述电子终端设备。
- 根据权利要求11所述的电子交互系统,其中,所述USB通信器通过USB数据线与所述电子终端设备连接。
- 根据权利要求1~12任一项所述的电子交互系统,其中,所述电子终端设备包括手机或电脑。
- 一种电子交互系统的设置方法,包括:通过第一类型的数据线使第一射频传输组中的第一射频发送模块和第一射频接收模块分别与电子终端设备和电子白板对应连接,其中,所述电子终端设备和所述电子白板的操作系统中自带人机接口设备(HID)协议,使得所述电子终端设备的数据信号以射频形式传输至所述电子白板;以及通过第二类型的数据线使第二射频传输组中的第二射频发送模块和第二射频接收模块分别与所述电子白板和所述电子终端设备对应连接,使得所述电子白板的触控信号以射频形式传输至所述电子终端设备,实现所述电子白板与所述电子终端设备的相互控制。
- 根据权利要求14所述的电子交互系统的设置方法,其中,所述第一类型的数据线包括HDMI数据线、DP数据线、VGA数据线中的任一种,所述第二类型的数据线包括USB数据线。
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