CN110049367B - Method for transmitting and receiving wireless transmission video signal and controlling bidirectional touch - Google Patents
Method for transmitting and receiving wireless transmission video signal and controlling bidirectional touch Download PDFInfo
- Publication number
- CN110049367B CN110049367B CN201910331164.5A CN201910331164A CN110049367B CN 110049367 B CN110049367 B CN 110049367B CN 201910331164 A CN201910331164 A CN 201910331164A CN 110049367 B CN110049367 B CN 110049367B
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- Prior art keywords
- touch
- receiver
- bluetooth
- transmitter
- signal
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 12
- 230000011664 signaling Effects 0.000 title description 5
- 230000006855 networking Effects 0.000 claims abstract description 16
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Selective Calling Equipment (AREA)
- Details Of Television Systems (AREA)
Abstract
The invention provides a method for transmitting and receiving HDMI video signals based on 60GHz microwave wireless transmission and a method for realizing bidirectional touch control based on Bluetooth wireless transmission coordinate information. Comprises a pair of HDMI signal transceiving modules, a central processing unit is arranged in the HDMI signal transceiving modules, and the HDMI signal transceiving modules are controlled to work. Firstly, an HDMI video signal is input into a central processing unit, processed by an internal encoder, sent to a high-voltage distribution modulator and then sent to a transmitter module for networking; after networking is completed by the receiver module, the HDMI signals are sent to a high-resolution demodulator of the central processing unit through a network, then sent to an internal video decoder, and finally output to a terminal display device for displaying. The touch interface of the display device is connected to the data interface of the processor, the processor reads the touch coordinate information transmitted by the display device and transmits the touch coordinate information to the Bluetooth module by using the data port, and the two-way coordinate information transmission and exchange are completed by using the Bluetooth protocol, so that the two-way touch control is realized.
Description
Technical Field
The invention relates to the technical field of video signal transmission, in particular to a method for transmitting and receiving wireless transmission video signals and controlling bidirectional touch.
Background
The existing WIFI video equipment reads video resources on a U disk, a memory card and a network, and the existing Bluetooth generally transmits audio and control signals; at present, video signals of a PC end are projected to a display device on the market, and the video signals can only be controlled from the PC end in a one-way mode, and the PC end cannot be controlled from the display device.
Disclosure of Invention
In order to solve the problems in the prior art, the present invention provides a method for transmitting and receiving a wireless transmission video signal and controlling bidirectional touch.
The invention is realized by adopting the following technical scheme: a method for transmitting and receiving wireless transmission video signals and controlling bidirectional touch comprises a wireless transmission video signal transmitting and receiving system, wherein the wireless transmission video signal transmitting and receiving system comprises a PC with Bluetooth and touch functions, a signal transmitter, a signal receiver and a display device with touch functions, the PC with Bluetooth and touch functions is connected with the signal transmitter, and the display device with touch functions is connected with the signal receiver; the signal transmitter comprises a transmitter pairing key, a transmitter central processing unit, a WIFI networking transmitter module and a transmitter power supply module for supplying power, and the signal receiver comprises a receiver pairing key, a receiver central processing unit, a Bluetooth pairing key, a Bluetooth module, a WIFI networking receiver module and a receiver power supply module for supplying power; the pairing connection between the signal transmitter and the signal receiver is completed through the transmitter pairing key and the receiver pairing key, and the pairing connection between the signal receiver and a PC with Bluetooth and touch functions is completed through the Bluetooth pairing key; the PC with the Bluetooth and touch functions inputs video signals to the signal transmitter, the signal transmitter processes the received video signals through a video encoder of a transmitter central processing unit, then processes the video signals through a high-frequency signal modulator of the transmitter central processing unit, then performs networking through the WIFI networking transmitter module, the WIFI networking receiver module receives the video signals through a network, then processes the video signals through a high-frequency signal demodulator of a receiver central processing unit, processes the video signals through a video decoder of the receiver central processing unit, and then outputs the video signals to the display equipment with the touch function; the touch interface of the display equipment with the touch function is connected with the data interface of the central processor of the receiver, the touch coordinate information of the display equipment with the touch function is transmitted to the central processor of the receiver through the touch interface, then the touch coordinate information is transmitted to the Bluetooth module by utilizing the data interface of the central processor of the receiver, the Bluetooth module transmits the touch coordinate information to the PC with the Bluetooth and the touch function, the PC with the Bluetooth and the touch function is remotely controlled by utilizing the touch screen of the display equipment with the touch function, and the content displayed by the display equipment with the touch function is remotely controlled by utilizing the touch screen of the PC with the Bluetooth and the touch function, so that the bidirectional touch control is realized.
Preferably, the method is used for realizing the transmission and the reception of the wireless transmission HDMI video signal based on 60GHz microwave.
Preferably, the display device with the touch function is an infrared touch screen or a capacitive touch screen.
Compared with the prior art, the invention has the following beneficial effects: the invention transmits the HDMI signals out to the display device end for display in a non-delayed point-to-point manner through 60GHz microwave wireless equipment, and utilizes the Bluetooth to transmit coordinate information to realize bidirectional touch control, namely, the wireless control operation of a PC (with touch and Bluetooth functions) is completed through the display device (with touch function) at the receiving end.
Drawings
FIG. 1: is the structure diagram of the wireless transmission video signal transmitting and receiving system of the invention;
FIG. 2: is a system block diagram of the signal transmitter of the present invention;
FIG. 3: is a system block diagram of the signal receiver of the present invention;
in the figure: 1. a PC with Bluetooth and touch functions; 2. a signal transmitter; 3. a signal receiver; 4. display device with touch function.
Detailed Description
The following describes a method for transmitting and receiving a wireless transmission video signal and controlling a bidirectional touch according to the present invention in detail with reference to specific embodiments.
As shown in fig. 1-3, the present invention provides a method for transmitting and receiving a wireless transmission video signal and controlling bidirectional touch, comprising a wireless transmission video signal transmitting and receiving system, wherein the wireless transmission video signal transmitting and receiving system comprises a PC 1 with bluetooth and touch function, a signal transmitter 2, a signal receiver 3 and a display device 4 with touch function, the PC 1 with bluetooth and touch function is connected with the signal transmitter 2, and the display device 4 with touch function is connected with the signal receiver 3; the signal transmitter 2 comprises a transmitter pairing key, a transmitter central processing unit, a WIFI networking transmitter module and a transmitter power supply module for supplying power, and the signal receiver 3 comprises a receiver pairing key, a receiver central processing unit, a Bluetooth pairing key, a Bluetooth module, a WIFI networking receiver module and a receiver power supply module for supplying power; the pairing connection between the signal transmitter 2 and the signal receiver 3 is completed through the transmitter pairing key and the receiver pairing key, and the pairing connection between the signal receiver 3 and the PC 1 with the Bluetooth and touch functions is completed through the Bluetooth pairing key; the PC 1 with the Bluetooth and touch functions inputs an HDMI video signal into the signal transmitter 2, the signal transmitter 2 carries out streaming media H.264 coding processing on the received HDMI video signal through a video encoder of a transmitter central processing unit, then the received HDMI video signal is processed through a high-frequency signal modulator of the transmitter central processing unit, then the received HDMI video signal is sent to a network through a 60GHz microwave transmitting end (a WIFI networking transmitter module), the WIFI networking receiver module receives the HDMI video signal through the network, then the received HDMI video signal is processed through a high-frequency signal demodulator of a receiver central processing unit, then the received HDMI video signal is decoded through a video decoder of the receiver central processing unit, and then the HDMI video signal is output to the display device 4 with the touch function (such as an infrared touch screen and a capacitive touch screen); the touch interface of the display device 4 with the touch function is connected with the data interface of the receiver central processing unit, the touch coordinate information of the display device 4 with the touch function is transmitted to the receiver central processing unit through the touch interface, then the touch coordinate information is transmitted to the Bluetooth module by using the data interface of the receiver central processing unit, the Bluetooth module transmits a touch coordinate signal to the PC 1 with the Bluetooth and the touch function, the two-way coordinate information transmission function is completed by using a Bluetooth protocol, the PC 1 with the Bluetooth and the touch function is remotely controlled by using the touch screen of the display device 4 with the touch function, and the content displayed by the display device 4 with the touch function is remotely controlled by using the touch screen of the PC 1 with the Bluetooth and the touch function, so that the two-way touch control is realized.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention, and any changes or substitutions that can be easily conceived by one skilled in the art within the technical scope of the present invention are also within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (3)
1. A method for transmitting and receiving wireless transmission video signals and controlling bidirectional touch is applied to a system for transmitting and receiving wireless transmission video signals, and is characterized in that: the wireless transmission video signal transmitting and receiving system comprises a PC with Bluetooth and touch functions, a signal transmitter, a signal receiver and a display device with touch functions, wherein the PC with Bluetooth and touch functions is connected with the signal transmitter, and the display device with touch functions is connected with the signal receiver; the signal transmitter comprises a transmitter pairing key, a transmitter central processing unit, a WIFI networking transmitter module and a transmitter power supply module for supplying power, and the signal receiver comprises a receiver pairing key, a receiver central processing unit, a Bluetooth pairing key, a Bluetooth module, a WIFI networking receiver module and a receiver power supply module for supplying power; the pairing connection between the signal transmitter and the signal receiver is completed through the transmitter pairing key and the receiver pairing key, and the pairing connection between the signal receiver and a PC with Bluetooth and touch functions is completed through the Bluetooth pairing key; the PC with the Bluetooth and touch functions inputs video signals to the signal transmitter, the signal transmitter processes the received video signals through a video encoder of a transmitter central processing unit, then processes the video signals through a high-frequency signal modulator of the transmitter central processing unit, then performs networking through the WIFI networking transmitter module, the WIFI networking receiver module receives the video signals through a network, then processes the video signals through a high-frequency signal demodulator of a receiver central processing unit, processes the video signals through a video decoder of the receiver central processing unit, and then outputs the video signals to the display equipment with the touch function; the touch interface of the display equipment with the touch function is connected with the data interface of the central processor of the receiver, the touch coordinate information of the display equipment with the touch function is transmitted to the central processor of the receiver through the touch interface, then the touch coordinate information is transmitted to the Bluetooth module by utilizing the data interface of the central processor of the receiver, the Bluetooth module transmits the touch coordinate information to the PC with the Bluetooth and the touch function, the PC with the Bluetooth and the touch function is remotely controlled by utilizing the touch screen of the display equipment with the touch function, and the content displayed by the display equipment with the touch function is remotely controlled by utilizing the touch screen of the PC with the Bluetooth and the touch function, so that the bidirectional touch control is realized.
2. The method of claim 1, wherein the method comprises: the method is used for realizing the transmission and the reception of the wireless transmission HDMI video signal based on 60GHz microwave.
3. The method of claim 1, wherein the method comprises: the display device with the touch function is an infrared touch screen or a capacitive touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331164.5A CN110049367B (en) | 2019-04-24 | 2019-04-24 | Method for transmitting and receiving wireless transmission video signal and controlling bidirectional touch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331164.5A CN110049367B (en) | 2019-04-24 | 2019-04-24 | Method for transmitting and receiving wireless transmission video signal and controlling bidirectional touch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110049367A CN110049367A (en) | 2019-07-23 |
| CN110049367B true CN110049367B (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910331164.5A Active CN110049367B (en) | 2019-04-24 | 2019-04-24 | Method for transmitting and receiving wireless transmission video signal and controlling bidirectional touch |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111795A (en) * | 2014-04-25 | 2014-10-22 | 苏州太游信息科技有限公司 | Bidirectional information transmission method, touch extension system and multi-point touch bidirectional extension equipment |
| CN104683713A (en) * | 2015-03-20 | 2015-06-03 | 北京京东方多媒体科技有限公司 | Video signal wireless transmitter, receiver, transmission system and display system |
| WO2017219662A1 (en) * | 2016-06-23 | 2017-12-28 | 捷开通讯(深圳)有限公司 | Separated long distance communication mobile terminal and method for using same |
| CN207557691U (en) * | 2017-08-03 | 2018-06-29 | 贵州物联网科技有限公司 | It is a kind of to control two-way switch with ZigBee Wireless remote controls and touch screen |
-
2019
- 2019-04-24 CN CN201910331164.5A patent/CN110049367B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111795A (en) * | 2014-04-25 | 2014-10-22 | 苏州太游信息科技有限公司 | Bidirectional information transmission method, touch extension system and multi-point touch bidirectional extension equipment |
| CN104683713A (en) * | 2015-03-20 | 2015-06-03 | 北京京东方多媒体科技有限公司 | Video signal wireless transmitter, receiver, transmission system and display system |
| WO2017219662A1 (en) * | 2016-06-23 | 2017-12-28 | 捷开通讯(深圳)有限公司 | Separated long distance communication mobile terminal and method for using same |
| CN207557691U (en) * | 2017-08-03 | 2018-06-29 | 贵州物联网科技有限公司 | It is a kind of to control two-way switch with ZigBee Wireless remote controls and touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110049367A (en) | 2019-07-23 |
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