CN109379549A - A kind of wireless screen transmission method, equipment and system - Google Patents
A kind of wireless screen transmission method, equipment and system Download PDFInfo
- Publication number
- CN109379549A CN109379549A CN201811090413.8A CN201811090413A CN109379549A CN 109379549 A CN109379549 A CN 109379549A CN 201811090413 A CN201811090413 A CN 201811090413A CN 109379549 A CN109379549 A CN 109379549A
- Authority
- CN
- China
- Prior art keywords
- screen transmission
- wireless screen
- display
- transmission equipment
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 248
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004891 communication Methods 0.000 claims description 25
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 54
- 238000000060 site-specific infrared dichroism spectroscopy Methods 0.000 description 9
- 241000208340 Araliaceae Species 0.000 description 4
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 4
- 235000003140 Panax quinquefolius Nutrition 0.000 description 4
- 235000008434 ginseng Nutrition 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 244000299461 Theobroma cacao Species 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- 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
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention provides a kind of wireless screen transmission method, equipment and system, method includes: the control operation of S1 wireless screen transmission equipment parsing user, generates the corresponding control instruction of the operation；The HDMI interface of wireless screen transmission equipment described in S2 obtains audio/video information from terminal；The audio/video information of the terminal and/or the control instruction are wirelessly transmitted to display end by wireless screen transmission equipment described in S3, so that display end is shown corresponding content, and can control the content currently shown.The present invention is when realizing wireless screen transmission function, it is no longer necessary to user terminal installation driving given, reduces workflow, the time of driving to be installed such as decreases, realize plug and play, it is more convenient when using wireless screen transmission technology.
Description
Technical field
The present invention relates to display control application field, espespecially a kind of wireless screen transmission method, equipment and system.
Background technique
Passing screen also makes throwing shield, concern of this functionality by more and more scientific & technical corporation.Passing screen technology can allow user will
Content on the device screens such as laptop, smart phone/tablet computer projects or is transferred to the peripheral hardware for supporting this function
On screen, realize that multi-screen is shared, such as the projection screen of early stage, touch one-piece machine etc. in recent years.With the development of wireless technology, nothing
Line passes screen and more has been favored by people.Wireless screen transmission refer to using local area network the screen of mobile phone or computer in television set or
The technology shown on person's meeting machine.
In work or study, we many times can be applied to wireless screen transmission technology.Such as in many large enterprises
Meeting room in, meeting personnel need for the conference content on computer to be transmitted in conference screen, teaching when, teacher need by
Courseware on computer is transmitted on large screen, courseware convenient for student viewing.
And when realizing wireless screen transmission function, the prior art is mostly the solution using mono- key wireless screen transmission of USB, this
Scheme needs that a large amount of cpu resource of user computer can be occupied to the computer installation driving of user.In order to quickly and conveniently realize nothing
Line passes screen function, and the present invention provides a kind of wireless screen transmission method, equipment and systems.
Summary of the invention
The object of the present invention is to provide a kind of wireless screen transmission method, equipment and systems, when realizing wireless screen transmission function, no
It needs to give user terminal installation driving again, reduces workflow, the time of driving to be installed such as decrease, realize and insert
Use, it is more convenient when using wireless screen transmission technology.
Technical solution provided by the invention is as follows:
The present invention provides a kind of wireless screen transmission methods, comprising steps of the control behaviour of S1 wireless screen transmission equipment parsing user
Make, generates the corresponding control instruction of the operation；The HDMI interface of wireless screen transmission equipment described in S2 obtains audio-video letter from terminal
Breath；The audio/video information of the terminal and/or the control instruction are wirelessly transmitted to display end by wireless screen transmission equipment described in S3,
So that display end is shown corresponding content, and the content currently shown can be controlled.
This programme is when realizing wireless screen transmission, first by the HDMI interface of the HDMI interface insertion terminal of wireless screen transmission equipment
End, USB interface are inserted into the USB interface end of terminal, and user only needs to carry out simple operations, wireless screen transmission in wireless screen transmission equipment
Equipment can obtain audio/video information from terminal by HDMI interface, do not need user and install driving on computers, using very
It is convenient.In addition, can directly be carried out by wireless screen transmission equipment when user needs to manipulate the content that display end is shown
Corresponding operation, wireless screen transmission equipment can generate different control instructions according to the different operation of user, be realized with this to aobvious
Show the control of content, the method for the control display content that this programme provides makes user very convenient when in use, and does not have to borrow again
Other equipment are helped to complete control.
Preferably, the control operation of the wireless screen transmission equipment parsing user generates the corresponding control instruction of the operation,
This step specifically includes: S11 is when user carries out first kind operation in the wireless screen transmission equipment, the wireless screen transmission equipment
The first generic operation of user is parsed, switching control instruction is generated；S12 carries out the second class in the wireless screen transmission equipment as user
When operation, the second generic operation of the wireless screen transmission equipment parsing user generates split screen control instruction.
Preferably, the control instruction includes switching control instruction, split screen control instruction；The wireless screen transmission equipment is by institute
The audio/video information and/or the control instruction for stating terminal are wirelessly transmitted to display end, and display end is made to show corresponding content, and
Can control the content currently shown, this step specifically includes: wireless screen transmission equipment described in S31 regards the sound of the terminal
Frequency information and switching control instruction are sent to the display end, make the display end will be in the display of current display interface
Hold the audio/video information for being switched to the different terminals in turn；Or；Wireless screen transmission equipment described in S32 is by the audio-video of the terminal
Information and the split screen control instruction are sent to the display end, are divided into the display end by current display interface multiple
Display window, and will be on the audio/video information of a terminal display window shown in.
This programme needs to provide two kinds of operating methods according to the use of user: the first is the first generic operation, such as point
Operation, point touching operation, button operation etc. are hit, when user carries out first kind operation in wireless screen transmission equipment, wireless screen transmission is set
It is standby that switching control instruction will be sent to display end, switching of the audio, video data in display end of more terminals is realized with this；It is another
Kind is the second generic operation, such as long touching operation, long press operation, etc. when user carries out the second generic operation in wireless screen transmission equipment
When, wireless screen transmission equipment will send split screen control instruction to display end, realize that the audio, video data of more terminals is being shown with this
End carries out split screen display available.
Preferably, the edit operation of the parsing of display end described in S41 user on the display screen is further comprised the steps of:, institute is generated
State the corresponding edit instruction of edit operation；Display end described in S42, which feeds back to the edit instruction by wireless screen transmission equipment, works as
The corresponding terminal of preceding display content, responds the corresponding terminal of the present displayed content according to the edit instruction.
The present invention also provides a kind of method of feedback manipulation, user can carry out in the present displayed content of display end
The corresponding edit instruction of these edit operations can be passed through wireless screen transmission equipment by the operations such as operation, such as click, dragging, display screen
The corresponding terminal of present displayed content is fed back to, terminal is responded.By this programme, diversified behaviour is provided for user
Make, improves the usage experience of user.
Preferably, it further comprises the steps of: wireless screen transmission equipment described in S0 and is connected to target radio network, with this and the display
Realize wireless communication in end.
The invention shows the wireless modules at end to do hot spot, and the wireless module of wireless screen transmission equipment works in STA mode, this hair
It is bright when realizing wireless screen transmission function, need the wireless network connection of wireless screen transmission equipment to display end first.
The present invention also provides a kind of wireless screen transmission equipment, the wireless screen transmission equipment includes:
Control instruction generation module, the control for parsing user operate, and generate the corresponding control instruction of the operation；
Module is obtained, is electrically connected with described instruction generation module, for obtaining audio/video information from terminal；
First wireless communication module is electrically connected with the acquisition module, for by the audio/video information of the terminal and/or
The control instruction is wirelessly transmitted to display end, so that display end is shown corresponding content, and can carry out to the content currently shown
Control.
This programme is when realizing wireless screen transmission, it is only necessary to meet the HDMI of the HDMI interface insertion terminal of wireless screen transmission equipment
Mouth end, USB interface are inserted into the USB interface end of terminal, and user only needs to carry out simple operations in wireless screen transmission equipment, wireless to pass
Screen equipment can obtain audio/video information from terminal by HDMI interface, do not need user and install driving on computers, use is non-
It is often convenient.In addition, can directly carry out corresponding operation, nothing when user needs to manipulate the content that display end is shown
Line passes screen equipment can generate different control instructions according to the different operation of user, realize the control to display content with this,
The method for the control display content that this programme provides makes user very convenient when in use, and does not have to complete by other equipment again
Control.
Preferably, described instruction generation module is also used to carry out first kind behaviour in the wireless screen transmission equipment as user
When making, the first generic operation of the wireless screen transmission equipment parsing user generates switching control instruction；
Described instruction generation module is also used to when user carries out the second generic operation in the wireless screen transmission equipment, institute
The second generic operation for stating wireless screen transmission equipment parsing user, generates split screen control instruction.
Preferably, first wireless communication module is also used to the audio/video information of the terminal and the switching
Control instruction is sent to the display end, makes the display end that the display content of current display interface is switched to the terminal
Audio/video information；
Or；
First wireless communication module is also used to the audio/video information of the terminal and the split screen control instruction
It is sent to the display end, makes the display end that current display interface is divided into multiple display windows, and by the terminal
On an audio/video information display window shown in.
This programme needs to provide two kinds of operating methods according to the use of user: the first is the first generic operation, such as point
Operation, point touching operation, button operation etc. are hit, when user carries out first kind operation in wireless screen transmission equipment, wireless screen transmission is set
It is standby that switching control instruction will be sent to display end, switching of the audio, video data in display end of more terminals is realized with this；It is another
Kind is the second generic operation, such as long touching operation, long press operation etc., when user carries out the second generic operation in wireless screen transmission equipment
When, wireless screen transmission equipment will send split screen control instruction to display end, realize that the audio, video data of more terminals is being shown with this
End carries out split screen display available.
The present invention also provides a kind of wireless screen transmission system, system includes terminal, wireless screen transmission equipment, display end；
The wireless screen transmission equipment includes:
Control instruction generation module, the control for parsing user operate, and generate the corresponding control instruction of the operation；
Module is obtained, is electrically connected with described instruction generation module for obtaining audio/video information from terminal；
First wireless communication module is electrically connected with the acquisition module, for by the audio/video information of the terminal and
The control instruction is wirelessly transmitted to display end, regards the display end according to the sound of the control instruction and the terminal
Frequency information carries out display control to present displayed content；
The display end includes:
Display control module, for the audio/video information according to the control instruction and multiple terminals, to current display
Content carries out display control.
Preferably, the display end further include:
Edit instruction generation module generates the edit operation for parsing the edit operation of user on the display screen
Corresponding edit instruction；
Second wireless communication module, for the edit instruction to be fed back to current display by the wireless screen transmission equipment
The corresponding terminal of content；Respond the corresponding terminal of the present displayed content according to the edit instruction.
The present invention also provides a kind of method of feedback manipulation, user can operate on display end, such as click,
The corresponding edit instruction of these edit operations can be fed back to current display by wireless screen transmission equipment by the operation such as dragging, display end
The corresponding terminal of content, responds terminal.By this programme, diversified operation is provided for user, improves user
Usage experience.
A kind of wireless screen transmission method, equipment and the system provided through the invention, can bring following at least one beneficial
Effect:
This programme is when realizing wireless screen transmission, first by the HDMI interface of the HDMI interface insertion terminal of wireless screen transmission equipment
End, USB interface are inserted into the USB interface end of terminal, and wireless screen transmission equipment can obtain audio-video letter from terminal by HDMI interface
Breath, does not need user and installs driving on computers, use is very convenient.In addition, working as the content that user needs to show display end
When being manipulated, corresponding operation directly can be carried out by wireless screen transmission equipment, wireless screen transmission equipment can be according to user's
Different operation generates different control instructions, realizes that the control to display content, the control that this programme provides show content with this
Method make user very convenient when in use, and do not have to again by other equipment complete control.In addition user can show
End is operated, and operation content can be fed back to terminal by display end, respond terminal.Diversified behaviour is provided for user
Make, improves the comfort level that user's control display end shows content.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to a kind of wireless screen transmission method, sets
Standby and system above-mentioned characteristic, technical characteristic, advantage and its implementation are further described.
Fig. 1 is a kind of flow chart of one embodiment of wireless screen transmission method of the present invention；
Fig. 2 is a kind of flow chart of another embodiment of wireless screen transmission method of the present invention；
Fig. 3 is a kind of structural schematic diagram of one embodiment of wireless screen transmission equipment of the present invention；
Fig. 4 is a kind of structural schematic diagram of another embodiment of wireless screen transmission equipment of the present invention；
Fig. 5 is a kind of structural schematic diagram of another embodiment of wireless screen transmission system of the present invention；
Fig. 6 is the local circuit annexation figure of HDMI interface in one embodiment of the invention；
Fig. 7 is the local circuit annexation figure of data conversion chip in one embodiment of the invention；
Fig. 8 is the local circuit annexation figure of coding chip in one embodiment of the invention；
Drawing reference numeral explanation:
1- coding module, 2- data conversion module, 3- display module, 4- Touch control key, 5- power supply module, the first channel radio of 6-
Letter module, 7-USB interface, 8-HDMI interface, 9-U type shell, 10- control instruction generation module, 11- obtain module, and 20- is shown
End.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented
Its practical structures as product.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not only indicated
" only this ", can also indicate the situation of " more than one ".
As shown in Figure 1, the present invention provides a kind of one embodiment of wireless screen transmission method, comprising steps of
S1 wireless screen transmission equipment parses the control operation of user, generates the corresponding control instruction of the operation；
The HDMI interface of wireless screen transmission equipment described in S2 obtains audio/video information from terminal；
The audio/video information of the terminal and/or the control instruction are wirelessly transmitted to aobvious by wireless screen transmission equipment described in S3
Show end, so that display end is shown corresponding content, and can control the content currently shown.
Specifically, the prior art when realizing wireless screen transmission, is mostly using mono- key wireless screen transmission method of USB, such method
It needs that driving is installed on the computer of user, occupies the cpu resource of computer.
The present invention provides more convenient and fast wireless screen transmission method, provides a kind of wireless screen transmission to reduce installation steps
Equipment.Wireless screen transmission equipment includes that HDMI interface and USB interface can be inserted into terminal when in use by HDMI interface and USB interface
On corresponding interface, USB interface can power for wireless screen transmission equipment and to provide access in display end reverse operating terminal,
HDMI interface can obtain audio, video data from terminal.
Wireless screen transmission equipment further includes data conversion chip, and the data conversion chip is electrically connected with the HDMI interface,
Data for receiving HDMI interface carry out data conversion；Wireless screen transmission equipment further includes coding chip, the coding core
Piece is electrically connected with the data conversion chip, for encoding the data after progress data conversion；Wireless screen transmission equipment is also
Including the first wireless communication module, first wireless communication module is electrically connected with the coding chip, for it will encode after
Data are transmitted to display end.
Touch control key is additionally provided in wireless screen transmission equipment, the Touch control key is electrically connected with the coding chip, and user can be
It is operated on Touch control key, the display content of display end is controlled with this.
In the present embodiment, user can by long-pressing Touch control key, touch Touch control key, click Touch control key, double-click Touch control key etc.
Method controls operation to realize, correspondingly, every kind of control operation is all corresponding with a kind of control instruction, realizes a kind of control in display end
Function processed.
For example, can will click the corresponding control instruction generated of Touch control key is set as switching control instruction, user will wirelessly be passed
After screen equipment connects computer, it is only necessary to click Touch control key, wireless screen transmission equipment can generate switching control depending on the user's operation
Instruction, closes or opens current wireless screen transmission task.For example, screen is thrown in current First device end, second equipment is
When will throw screen, the touch key-press of First wireless screen transmission equipment can be clicked at this time, that is, realizes the throwing for closing First equipment
Shield function, then clicks the touch key-press of second wireless screen transmission equipment, the corresponding terminal of second wireless screen transmission can be shown
The interior screen shown throws screen to display end.The touch key-press is by clicking the function that switching different terminals in turn can be achieved and show picture.
For another example can will double-click the corresponding control instruction generated of Touch control key is set as pause idsplay order, if user wants
When operating computer, and being not desired to launch operating process to display end, need to only double-click Touch control key, wireless screen transmission equipment can according to
The operation at family generates pause idsplay order, and pause idsplay order is sent to display end, and display end receives pause display and refers to
After order, it can will suspend current display content.
For another example the corresponding control instruction generated of long-pressing Touch control key can be set as split screen control instruction, user will be wireless
After biography screen equipment connects computer, it is only necessary to which long-pressing Touch control key, wireless screen transmission equipment can generate split screen control depending on the user's operation
System instruction, and the audio/video information for needing to play on computer and split screen control instruction are sent to display end, display end receives
After audio/video information and display content switching command, current display interface can be divided into multiple display windows by display end, and will
In the audio/video information received a display window shown in.
As shown in Fig. 2, the present invention provides a kind of one embodiment of wireless screen transmission method, comprising steps of
Wireless screen transmission equipment described in S0 is connected to target radio network, realizes that wireless network is logical with the display end with this
Letter；
Specifically, wireless communication of the invention is communicated using wifi, in order to enable wireless screen transmission equipment to believe audio-video
Breath and control instruction are sent to display end, it is necessary first to display end are connected to target SSID, when use wireless screen transmission equipment
When, wireless screen transmission equipment can show the SSID around scanning, the result of scanning by the display screen in wireless screen transmission equipment
Out, and by Touch control key selected target SSID it is attached, makes the wireless network of wireless screen transmission equipment connection display end, it is subsequent
When reusing wireless screen transmission equipment, wireless screen transmission equipment can be set and be automatically connected to target SSID.
It is that the USB interface 7 of wireless screen transmission equipment is inserted into display end the present invention also provides a kind of wifi connection type
USB interface leads to USB the SSID and password of display end wifi and wireless screen transmission equipment is written, and saves this link information, next time
Last time connection is defaulted when booting.
S11 when user carries out first kind operation in the wireless screen transmission equipment, use by the wireless screen transmission equipment parsing
First generic operation at family generates switching control instruction；
Specifically, the first generic operation in the present embodiment may include clicking operation, touching operation etc., user can be in Touch control key
Upper progress first kind operation.
S12 when user carries out the second generic operation in the wireless screen transmission equipment, use by the wireless screen transmission equipment parsing
Second generic operation at family generates split screen control instruction；
Specifically, the second generic operation in the present embodiment may include double click operation, long press operation etc., user can be in Touch control key
The second generic operation of upper progress；
The HDMI interface of wireless screen transmission equipment described in S2 obtains audio/video information from terminal；
Specifically, the terminal in the present embodiment includes that laptop, desktop computer, plate, mobile phone etc. connect containing HDMI
The electronic equipment of mouth.Terminal in the present embodiment is by taking computer as an example.
The audio/video information of the terminal and switching control instruction are sent to institute by wireless screen transmission equipment described in S31
Display end is stated, makes the display end that the display content of current display interface to be switched to the audio/video information of the terminal；
Or；
The audio/video information of the terminal and the split screen control instruction are sent to institute by wireless screen transmission equipment described in S32
Display end is stated, makes the display end that current display interface is divided into multiple display windows, and the audio-video of the terminal is believed
It ceases on a display window shown in.
Specifically, the scene of wireless screen transmission technical application is mainly the places such as meeting room, classroom, in many conventions
In, it often has multiple people and needs to do meeting report, also often the presentation contents such as PPT or video is combined to be said in report
Solution, just needs for ready-made presentation content to be thrown on meeting room display end at this time, watches for everybody.
The prior art has two methods of wireless screen transmission and wired biography screen when launching the contents such as PPT or video.Have in application
When line passes screen, spokesman needs for wired HDMI interface to be connected on computer, by the audio video transmission on computer to display end, this
Kind mode cannot achieve remote throw and shield, can bring in practical applications to participant much due to there is the limitation of connecting line
It is inconvenient.In wireless screen transmission, if there are multiple spokesman to make a speech, it is necessary to USB be installed to the computer of each spokesman
Screen driving is passed, process is very cumbersome.
In the present solution, wireless screen transmission equipment can be connected on the computer of personnel participating in the meeting in advance, when certain personnel participating in the meeting needs
When making a speech, it is only necessary to carry out first kind operation on the Touch control key of wireless screen transmission equipment, wireless screen transmission equipment can be according to this ginseng
Can the first generic operation of personnel generate switching control instruction, then obtain the audio/video information of this personnel participating in the meeting's computer, and by sound
Video information and switching control instruction are sent to display end.Display end receives audio/video information and switching control instruction
Afterwards, the display content of current display picture can be switched to the audio, video data of computer thus.When another personnel participating in the meeting needs to make a speech
When, also only need to carry out first kind operation on the Touch control key of wireless screen transmission equipment, wireless screen transmission equipment can obtain this this ginseng
Audio/video information on meeting personnel's computer, and display end, display termination are sent by audio/video information and switching control instruction
After receiving audio/video information and switching control instruction, the display content of current display picture can be switched personnel participating in the meeting thus
Audio, video data on computer.
In a meeting, when multiple personnels participating in the meeting need to discuss, or need to compare the scheme of more people, often
The computer picture of multiple people is needed on the display end of meeting room while watching, at this time, it may be necessary to which the personnel for throw screen can be
The second generic operation is carried out on the wireless throwing screen equipment connecting with oneself computer, makes display end that will show that picture is divided into multiple windows
Mouthful, while screen is thrown into display end in the interface on multiple computers.
For example, when first, second, third, four people of fourth need that the content on computer is thrown to display end simultaneously, it can be respective
The second generic operation is carried out in wireless screen transmission equipment on computer, four wireless screen transmission equipment can be by the audio-video number of respective computer
Accordingly and split screen control instruction is wirelessly transmitted to display end.Display picture can be divided into four according to split screen control instruction by display end
A display window, and four respective audio, video datas of computer are shown in 4 display windows.
Display end described in S41 parses the edit operation of user on the display screen, generates the corresponding volume of the edit operation
Collect instruction；
The edit instruction is fed back to present displayed content corresponding end by wireless screen transmission equipment by display end described in S42
End, responds the corresponding terminal of the present displayed content according to the edit instruction.
Specifically, the present embodiment additionally provides the feedback function of display end, display end can be touch control display screen, work as electricity
After content on brain is thrown to display end, user can generate edit instruction in the enterprising edlin operation of display screen of display end,
Then it is wirelessly transmitted to wireless screen transmission equipment, wireless screen transmission equipment passes through USB interface again and edit instruction is transferred on computer, makes
Computer is completed to respond according to edit instruction.
For example, the display content of display screen current display interface is word document, when user clicks on the display screen
When " closing " icon of word document, display end can will click on position and be used as editor relative to the relative coordinate of entire display screen
Instruction, is wirelessly transmitted to wireless screen transmission equipment for edit instruction, then wireless screen transmission equipment is sent out edit instruction by USB interface
It send to computer, computer can analyze user and click " closing " icon, then close word document according to relative coordinate.
For another example the display content of display screen current display interface is picture, when user drags figure on the display screen
When piece, display end, as edit instruction, can be sent relative to the dragging track of entire display screen by wireless screen transmission equipment
To computer, computer can analyze how user has dragged picture, picture is then dragged to corresponding position according to dragging track
It sets.
Preferably, wireless screen transmission equipment will can be got when transmitting audio, video data to display end from terminal first
The audio/video information carries out data conversion, and the audio data of HDMI data is converted to I2S data, is converted video data to
Then MIPI signal carries out AAC compressed encoding to I2S data, is H.264/H.265 encoded to MIPI data, then will carry out
I2S data after AAC compressed encoding and the MIPI data after H.264/H.265 encoding are wirelessly transmitted to display end.Display end
It is decoded to the coded data received, to obtain audio, video data, (audio, video data includes audio data and video
Data).
Through this embodiment, user only needs the HDMI interface end of the HDMI interface insertion terminal of wireless screen transmission equipment,
USB interface is inserted into the USB interface end of terminal, simple operations is carried out in wireless screen transmission equipment, wireless screen transmission equipment can pass through
HDMI interface obtains audio/video information from terminal, does not need user and installs driving on computers, use is very convenient.In addition, working as
When user needs to manipulate the content that display end is shown, corresponding operation, wireless screen transmission directly can be carried out in display end
Equipment can generate different control instructions according to the different operation of user, realize the control to display content, this programme with this
The method of the control display content of offer makes user very convenient when in use, and does not have to complete to control by other equipment again.
As shown in figure 3, the present invention also provides a kind of one embodiment of wireless screen transmission equipment, the wireless screen transmission equipment
Include:
Control instruction generation module 10, the control for parsing user operate, and generate the corresponding control instruction of the operation；
Module 11 is obtained, is electrically connected with described instruction generation module for obtaining audio/video information from terminal；
First wireless communication module 6 is electrically connected with the acquisition module 11, for by the audio/video information of the terminal with
And the control instruction is wirelessly transmitted to display end 20, makes the display end 20 according to the control instruction and the terminal
Audio/video information, to present displayed content carry out display control.
Specifically, the prior art when realizing wireless screen transmission, is mostly using mono- key wireless screen transmission method of USB, such method
It needs that driving is installed on the computer of user, occupies the cpu resource of computer.
The present invention provides more convenient and fast wireless screen transmission method, provides a kind of wireless screen transmission to reduce installation steps
Equipment.Wireless screen transmission equipment includes that HDMI interface 8 and USB interface 7 can be inserted by HDMI interface 8 and USB interface 7 when in use
On the corresponding interface of terminal, USB interface 7 can be the power supply of wireless screen transmission equipment and be reversed to terminal progress in display display end
Control provides access, and HDMI interface 8 can obtain audio, video data from terminal.
Wireless screen transmission equipment further includes data conversion chip, and the data conversion chip is electrically connected with the HDMI interface 8,
Data for receiving HDMI interface 8 carry out data conversion；Wireless screen transmission equipment further includes coding chip, the coding core
Piece is electrically connected with the data conversion chip, for encoding the data after progress data conversion；Wireless screen transmission equipment is also
Including the first wireless communication module 6, first wireless communication module 6 is electrically connected with the coding chip, for after encoding
Data be transmitted to display end 20.
Touch control key 4 is additionally provided in wireless screen transmission equipment, the Touch control key 4 is electrically connected with the coding chip, and user can be with
It is operated on Touch control key 4, the display content of display end 20 is controlled with this.
In the present embodiment, user can by long-pressing Touch control key 4, touching Touch control key 4, click Touch control key 4, double-click Touch control key
The methods of 4 control operation to realize, correspondingly, every kind of control operation is all corresponding with a kind of control instruction, realize in display end 20
A kind of control function, can refer to above-described embodiment, and details are not described herein again.
As shown in figure 4, the present invention also provides a kind of another embodiment of wireless screen transmission equipment, the wireless screen transmission is set
It is standby to include:
Control instruction generation module 10, the control for parsing user operate, and generate the corresponding control instruction of the operation；
Preferably, described instruction generation module is also used to carry out first kind behaviour in the wireless screen transmission equipment as user
When making, the first generic operation of the wireless screen transmission equipment parsing user generates switching control instruction；
Described instruction generation module is also used to when user carries out the second generic operation in the wireless screen transmission equipment, institute
The second generic operation for stating wireless screen transmission equipment parsing user, generates split screen control instruction；Described instruction generation module includes touch-control
Key 4 and the coding module of producible control instruction 1.
Module 11 is obtained, is electrically connected with described instruction generation module, for obtaining audio/video information from terminal；The acquisition
Module 11 includes HDMI interface 8, data conversion chip and coding chip.
First wireless communication module 6 is electrically connected with the acquisition module 11 respectively, for believing the audio-video of the terminal
Breath and the control instruction are wirelessly transmitted to display end 20, make the display end 20 according to the control instruction and described
The audio/video information of terminal carries out display control to present displayed content.
Preferably, first wireless communication module 6 is also used to the audio/video information of the terminal and the switching
Control instruction is sent to the display end 20, makes the display end 20 that the display content of current display interface is switched to the end
The audio/video information at end；Or；First wireless communication module 6 is also used to the audio/video information of the terminal and described
Split screen control instruction is sent to the display end 20, makes the display end 20 that current display interface is divided into multiple display windows
Mouthful, and will be on the audio/video information of a terminal display window shown in.
Specifically, wireless communication of the invention is communicated using wifi, in order to enable wireless screen transmission equipment to believe audio-video
Breath and control instruction be sent to display end 20, it is necessary first to display end 20 is connected to target SSID, when use wireless screen transmission
When equipment, the SSID around scanning, the result of scanning can be passed through the display module 3 in wireless screen transmission equipment by wireless screen transmission equipment
It shows, and is attached by 4 selected target SSID of Touch control key, make the wireless network of wireless screen transmission equipment connection display end 20
Network.
It is that the USB interface 7 of wireless screen transmission equipment is inserted into display end the present invention also provides a kind of wifi connection type
USB interface leads to USB the SSID and password of display end wifi and wireless screen transmission equipment is written, and saves this link information, next time
Last time connection is defaulted when booting.
The first generic operation in the present embodiment may include clicking operation, touching operation etc., and user can carry out on Touch control key 4
First generic operation.Second generic operation may include double click operation, long press operation etc., and user can carry out the second class behaviour on Touch control key 4
Make.Terminal in the present embodiment includes the electronic equipment containing HDMI interface 8 such as laptop, desktop computer, tablet computer.
Specifically, the scene of wireless screen transmission technical application is mainly the places such as meeting room, classroom, in many conventions
In, it often has multiple people and needs to do meeting report, also often the presentation contents such as PPT or video is combined to be said in report
Solution, just needs for ready-made presentation content to be thrown on meeting room display end 20 at this time, watches for everybody.
The prior art has two methods of wireless screen transmission and wired biography screen when launching the contents such as PPT or video.Have in application
When line passes screen, spokesman needs for wired HDMI interface 8 to be connected on computer, by the audio video transmission on computer to display end
20, this mode cannot achieve remote throw and shield, can bring in practical applications to participant due to there is the limitation of connecting line
It is many inconvenient.In wireless screen transmission, if there are multiple spokesman to make a speech, it is necessary to be installed to the computer of each spokesman
USB passes screen driving, and process is very cumbersome.
In the present solution, wireless screen transmission equipment can be connected on the computer of personnel participating in the meeting in advance, when certain personnel participating in the meeting needs
When making a speech, it is only necessary to carry out first kind operation on the Touch control key 4 of wireless screen transmission equipment, wireless screen transmission equipment can be according to this ginseng
Can the first generic operation of personnel generate switching control instruction, then obtain the audio/video information of this personnel participating in the meeting's computer, and by sound
Video information and switching control instruction are sent to display end 20.Display end 20 receives audio/video information and switching control refers to
After order, the display content of current display picture can be switched to the audio, video data of computer thus.When another personnel participating in the meeting needs to send out
Yan Shi, also only needs to carry out first kind operation on the Touch control key 4 of wireless screen transmission equipment, and wireless screen transmission equipment can obtain this this
Audio/video information on personnel participating in the meeting's computer, and display end 20 is sent by audio/video information and switching control instruction, it shows
After end 20 receives audio/video information and switching control instruction, i.e., cocoa switches the display content of current display picture thus
Audio, video data on personnel participating in the meeting's computer.
In a meeting, when multiple personnels participating in the meeting need to discuss, or need to compare the scheme of more people, often
The computer picture of multiple people is needed on the display end 20 of meeting room while watching, at this time, it may be necessary to throw the personnel of screen
The second generic operation is carried out on the wireless throwing screen equipment connecting with oneself computer, makes display end 20 that will show that picture is divided into multiple
Window, while screen is thrown into display end 20 in the interface on multiple computers.
Preferably, wireless screen transmission equipment further includes data conversion module 2, and as shown in Figure 6, Figure 7, data conversion module 2 wraps
Data conversion chip is included, the first pin of the HDMI interface 8 is connected to the F1 pin of the data conversion chip；The HDMI
The third pin of interface 8 is connected to the F2 pin of the data conversion chip；4th pin of the HDMI interface 8 is connected to institute
State the E1 pin of data conversion chip；6th pin of the HDMI interface 8 is connected to the E2 pin of the data conversion chip；
7th pin of the HDMI interface 8 is connected to the D1 pin of the data conversion chip；9th pin of the HDMI interface 8
It is connected to the D2 pin of the data conversion chip；Tenth pin of the HDMI interface 8 is connected to the data conversion chip
C1 pin；12nd pin of the HDMI interface 8 is connected to the C2 pin of the data conversion chip；The HDMI interface
8 the 15th pin is connected to the J1 pin of the data conversion chip；16th pin of the HDMI interface 8 is connected to institute
The J2 pin of data conversion chip is stated, the H2 that the 13rd pin of the HDMI interface is connected to the data conversion chip draws
Foot, the 18th pin of the HDMI interface is connected to the K3 pin of the data conversion chip by magnetic bead and resistance, described
19th pin of HDMI interface is connected to the J3 pin of the data conversion chip by two resistance.
Wireless screen transmission equipment, can first will be from by data conversion module 2 when transmitting audio, video data to display end 20
The audio/video information that terminal is got carries out data conversion, and the audio data of HDMI data is converted to I2S data, will be regarded
Frequency evidence is converted to MIPI signal.
As shown in figure 8, coding module includes coding chip, the J9 pin of the data conversion chip is connected to the volume
34th interface of code chip；The H10 pin of the data conversion chip is connected to the 35th of the coding chip
Interface；The G10 pin of the data conversion chip is connected to the 33rd interface of the coding chip；The data conversion
The H9 pin of chip is connected to the 37th interface of the coding chip；The J5 pin of the data conversion chip connects
To the 53rd interface of the coding chip；The K5 pin of the data conversion chip is connected to the of the coding chip
54 interfaces；
The C9 pin of the data conversion chip passes through the first interface of common-mode filter L44, the data conversion core
The C10 pin of piece is connected to the 4th interface of inductance component L44, and the second interface of the inductance component L44 is connected to described
The third interface of 46th interface of coding chip, the inductance component L44 is connected to the 45th of the coding chip
Interface；
The E9 pin of the data conversion chip passes through the first interface of common-mode filter L45, the data conversion core
The E10 pin of piece is connected to the 4th interface of inductance component L45, and the second interface of the inductance component L45 is connected to described
The third interface of 47th interface of coding chip, the inductance component L45 is connected to the 48th of the coding chip
Interface；
The F9 pin of the data conversion chip passes through the first interface of common-mode filter L46, the data conversion core
The F10 pin of piece is connected to the 4th interface of inductance component L46, and the second interface of the inductance component L46 is connected to described
The third interface of 43rd interface of coding chip, the inductance component L46 is connected to the 44th of the coding chip
Interface.
The K6 pin of the data conversion chip can be connected to either one or two of described coding chip general input/output port
(the 55th pin that the present embodiment is connected to the coding chip), the K4 pin of the data conversion chip can also connect
To either one or two of the coding chip general input/output port (the 56th pin that the present invention is connected to the coding chip).
I2S data can be subjected to AAC compressed encoding by coding module 1, H.264/H.265 MIPI data are compiled
Code, the MIPI data after then encoding by the I2S data after progress AAC compressed encoding and H.264/H.265 are wirelessly transmitted to
Display end 20.Display end 20 is decoded to the coded data received, to obtain the audio-video that can be shown and play
Data (audio, video data includes audio data and video data).
Through this embodiment, user only needs for the HDMI interface 8 of wireless screen transmission equipment to be inserted into the HDMI interface end of terminal,
USB interface 7 is inserted into the USB interface end of terminal, simple operations is carried out in wireless screen transmission equipment, wireless screen transmission equipment can pass through
HDMI interface 8 obtains audio/video information from terminal, does not need user and installs driving on computers, use is very convenient.In addition, working as
When user needs the content shown to display end 20 to manipulate, can directly it be grasped accordingly by wireless screen transmission equipment
Make, wireless screen transmission equipment can generate different control instructions according to the different operation of user, be realized with this to display content
The method of control, the control display content that this programme provides makes user very convenient when in use, and does not have to set by other again
It is standby to complete control.
It further include power supply module 5 in the present embodiment, in the present embodiment, the power supply module 5 includes the first power supply circuit, is used
In 5V voltage is converted to 3.3V voltage；Second power supply circuit, for 5V voltage to be converted to 1.15V voltage；Third power supply electricity
Road, for 3.3V voltage to be converted to 1.8V voltage；Second power supply circuit, for 3.3V voltage to be converted to 1.2V voltage.With
In to the modules in wireless screen transmission equipment, chip power supply.
Preferably, the wireless screen transmission equipment further includes U-shaped shell 9: the inside of the U-shaped shell 9 is equipped with circuit path,
Each module in wireless screen transmission equipment can be placed in the U-shaped shell 9；The bottom of the U-shaped shell 9 is flexible structure；
The HDMI interface is located at one end that the U-shaped shell 9 is open, and the USB interface is located at the U-shaped shell 9
The other end.
The distance at the both ends of U-shaped shell 9 can be set as the distance between USB interface and HDMI interface on computer, make wirelessly to pass
USB interface and HDMI interface on screen equipment is corresponding with the position of the USB interface of computer and HDMI interface.This shape can be with
Wireless screen transmission equipment is set to be more easily aligned the interface on computer when being inserted into computer, while the design of this shell can also make wirelessly to pass
Screen equipment the space occupied is smaller.
As shown in figure 5, the present invention also provides a kind of one embodiment of wireless screen transmission system, system includes wireless screen transmission
Equipment, terminal, display end 20.
The wireless screen transmission equipment includes:
Control instruction generation module 10, the control for parsing user operate, and generate the corresponding control instruction of the operation；
Module 11 is obtained, is electrically connected with described instruction generation module, for obtaining audio/video information from terminal；First is wireless
Communication module 6 is electrically connected with the acquisition module 11, for by the audio/video information of the terminal and the control instruction without
Line is transmitted to display end 20, makes the display end 20 according to the audio/video information of the control instruction and the terminal, to working as
Preceding display content carries out display control；
The display end 20 includes:
Display control module, for the audio/video information according to the control instruction and multiple terminals, to current display
Content carries out display control.
Specifically, the prior art when realizing wireless screen transmission, is mostly using mono- key wireless screen transmission method of USB, such method
It needs that driving is installed on the computer of user, occupies the cpu resource of computer.
The present invention provides more convenient and fast wireless screen transmission method, provides a kind of wireless screen transmission to reduce installation steps
Equipment.Wireless screen transmission equipment includes that HDMI interface 8 and USB interface 7 can be inserted by HDMI interface 8 and USB interface 7 when in use
On the corresponding interface of terminal, USB interface 7 can power for wireless screen transmission equipment, and anti-to carry out in display display end to terminal
Access is provided to control, HDMI interface 8 can obtain audio, video data from terminal.
Wireless screen transmission equipment further includes data conversion chip, and the data conversion chip is electrically connected with the HDMI interface 8,
Data for receiving HDMI interface 8 carry out data conversion；Coding chip is electrically connected with the data conversion chip, is used
It is encoded in by the data after progress data conversion；First wireless communication module 6, is electrically connected with the coding chip, is used for
Data after coding are transmitted to display end 20；
Touch control key 4 is additionally provided in wireless screen transmission equipment, the Touch control key 4 is electrically connected with the coding chip, and user can be with
It is operated on Touch control key 4, the display content of display end 20 is controlled with this.
In the present embodiment, user can by long-pressing Touch control key 4, touching Touch control key 4, click Touch control key 4, double-click Touch control key
The methods of 4 control operation to realize, correspondingly, every kind of control operation is all corresponding with a kind of control instruction, realize in display end 20
A kind of control function.
For example, can will click the corresponding control instruction generated of Touch control key 4 is set as switching control instruction, user will wirelessly be passed
After screen equipment connects computer, it is only necessary to click Touch control key 4, wireless screen transmission equipment can generate switching control depending on the user's operation
The terminal device of screen is thrown in system instruction, switching.
For another example can will double-click the corresponding control instruction generated of Touch control key 4 is set as pause idsplay order, if user wants
When operating computer, and being not desired to launch operating process to display end 20, Touch control key 4 only need to be double-clicked, wireless screen transmission equipment can root
According to the operation of user, pause idsplay order is generated, and pause idsplay order is sent to display end 20, display end 20 receives temporarily
After stopping idsplay order, it can will suspend current display content.
For another example the corresponding control instruction generated of long-pressing Touch control key 4 can be set as split screen control instruction, user will be wireless
After biography screen equipment connects computer, it is only necessary to which long-pressing Touch control key 4, wireless screen transmission equipment can generate split screen depending on the user's operation
Control instruction, and the audio/video information for needing to play on computer and split screen control instruction are sent to display end 20, display end 20
After receiving audio/video information and display content switching command, current display interface can be divided into multiple display windows by display end 20
Mouthful, and will be in the audio/video information that a received display window shown in.
Specifically, the scene of wireless screen transmission technical application is mainly the places such as meeting room, classroom, in many conventions
In, it often has multiple people and needs to do meeting report, also often the contents such as PPT or video is combined to be explained in report,
It just needs for ready-made meeting PPT to be thrown on meeting room display end 20 at this time, be watched for everybody.
The prior art has two methods of wireless screen transmission and wired biography screen when launching the contents such as PPT or video.Have in application
When line passes screen, spokesman needs for wired HDMI interface 8 to be connected on computer, by the audio video transmission on computer to display end
20, this mode cannot achieve remote throw and shield, can bring in practical applications to participant due to there is the limitation of connecting line
It is many inconvenient.In wireless screen transmission, if there are multiple spokesman to make a speech, it is necessary to be installed to the computer of each spokesman
USB passes screen driving, and process is very cumbersome.
In the present solution, wireless screen transmission equipment can be connected on the computer of personnel participating in the meeting in advance, when certain personnel participating in the meeting needs
When making a speech, it is only necessary to carry out first kind operation on the Touch control key 4 of wireless screen transmission equipment, wireless screen transmission equipment can be according to this ginseng
Can the first generic operation of personnel generate switching control instruction, then obtain the audio/video information of this personnel participating in the meeting's computer, and by sound
Video information and switching control instruction are sent to display end 20.Display end 20 receives audio/video information and switching control refers to
After order, the display content of current display picture can be switched to the audio, video data of computer thus.When another personnel participating in the meeting needs to send out
Yan Shi, also only needs to carry out first kind operation on the Touch control key 4 of wireless screen transmission equipment, and wireless screen transmission equipment can obtain this this
Audio/video information on personnel participating in the meeting's computer, and display end 20 is sent by audio/video information and switching control instruction, it shows
After end 20 receives audio/video information and switching control instruction, the display content switching of current display picture can be joined thus
Audio, video data on meeting personnel's computer.
In a meeting, when multiple personnels participating in the meeting need to discuss, or need to compare the scheme of more people, often
The computer picture of multiple people is needed on the display end 20 of meeting room while watching, at this time, it may be necessary to throw the personnel of screen
The second generic operation is carried out on the wireless throwing screen equipment connecting with oneself computer, makes display end 20 that will show that picture is divided into multiple
Window, while screen is thrown into display end 20 in the interface on multiple computers.
For example, when first, second, third, four people of fourth need that the content on computer is thrown to display end 20 simultaneously, it can be each
The second generic operation is carried out from the wireless screen transmission equipment on computer, four wireless screen transmission equipment can be by the audio-video of respective computer
Data and split screen control instruction are wirelessly transmitted to display end 20.Display end 20 can will show picture according to split screen control instruction
It is divided into four display windows, and four respective audio, video datas of computer is shown in 4 display windows.
Preferably, the display end 20 further include:
Edit instruction generation module generates the edit operation for parsing the edit operation of user on the display screen
Corresponding edit instruction；
Second wireless communication module, for the edit instruction to be fed back to current display by the wireless screen transmission equipment
The corresponding terminal of content；Respond the corresponding terminal of the present displayed content according to the edit instruction.
Specifically, the present embodiment additionally provides the feedback function of display end 20, display end 20 can be touch control display screen,
After the content on computer is thrown to display end 20, user can generate in the enterprising edlin operation of display screen of display end 20
Edit instruction, is then wirelessly transmitted to wireless screen transmission equipment, and wireless screen transmission equipment passes through USB interface 7 again and transmits edit instruction
Onto computer, computer is made to complete to respond according to edit instruction.
For example, the display content of display screen current display interface is word document, when user clicks on the display screen
When " closing " icon of word document, display end 20 can will click on position and be used as volume relative to the relative coordinate of entire display screen
Instruction is collected, edit instruction is wirelessly transmitted to wireless screen transmission equipment, then wireless screen transmission equipment is referred to editor by USB interface 7
Order is sent to computer, and computer can analyze user and click " closing " icon, then close word document according to relative coordinate
It closes.
For another example the display content of display screen current display interface is picture, when user drags figure on the display screen
When piece, display end 20, as edit instruction, can be sent out relative to the dragging track of entire display screen by wireless screen transmission equipment
It send to computer, computer can analyze how user has dragged picture, then be dragged to picture accordingly according to dragging track
Position.
Preferably, wireless screen transmission equipment further includes data conversion module 2, and wireless screen transmission equipment is transmitting sound to display end 20
When video data, the audio/video information got from terminal can be carried out by data conversion by data conversion module 2 first,
The audio data of HDMI data is converted into I2S data, converts video data to MIPI signal, then passes through coding module 1
I2S data are subjected to AAC compressed encoding, H.264/H.265 MIPI data are encoded, then will carry out AAC compressed encoding
Rear I2S data and the MIPI data after H.264/H.265 encoding are wirelessly transmitted to display end 20.Display end 20 is to reception
To coded data be decoded, to obtain audio, video data (audio, video data includes audio data and video data).
Through this embodiment, user only needs for the HDMI interface 8 of wireless screen transmission equipment to be inserted into the HDMI interface end of terminal,
USB interface 7 is inserted into the USB interface end of terminal, simple operations is carried out in wireless screen transmission equipment, wireless screen transmission equipment can pass through
HDMI interface 8 obtains audio/video information from terminal, does not need user and installs driving on computers, use is very convenient.In addition, working as
When user needs the content shown to display end 20 to manipulate, can directly it be grasped accordingly by wireless screen transmission equipment
Make, wireless screen transmission equipment can generate different control instructions according to the different operation of user, be realized with this to display content
The method of control, the control display content that this programme provides makes user very convenient when in use, and does not have to set by other again
It is standby to complete control.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (10)
1. a kind of wireless screen transmission method, which is characterized in that comprising steps of
Wireless screen transmission equipment parses the control operation of user, generates the corresponding control instruction of the operation；
The HDMI interface of the wireless screen transmission equipment obtains audio/video information from terminal；
The audio/video information of the terminal and/or the control instruction are wirelessly transmitted to display end by the wireless screen transmission equipment,
So that display end is shown corresponding content, and the content currently shown can be controlled.
2. a kind of wireless screen transmission method according to claim 1, which is characterized in that the control of wireless screen transmission equipment parsing user
System operation generates the corresponding control instruction of the operation, this step specifically includes:
When user carries out first kind operation in the wireless screen transmission equipment, the first of the wireless screen transmission equipment parsing user
Generic operation generates switching control instruction；
When user carries out the second generic operation in the wireless screen transmission equipment, the second of the wireless screen transmission equipment parsing user
Generic operation generates split screen control instruction.
3. a kind of wireless screen transmission method according to claim 2, which is characterized in that the control instruction includes switching control
Instruction, split screen control instruction；
The audio/video information of the terminal and/or the control instruction are wirelessly transmitted to display end by the wireless screen transmission equipment,
So that display end is shown corresponding content, and the content currently shown can be controlled, this step specifically includes:
The audio/video information of the terminal and switching control instruction are sent to the display by the wireless screen transmission equipment
End, makes the display end that the display content of current display interface to be switched to the audio/video information of the terminal；
Or；
The audio/video information of the terminal and the split screen control instruction are sent to the display by the wireless screen transmission equipment
End makes the display end that current display interface is divided into multiple display windows, and the audio/video information of the terminal is launched
Wherein on a display window.
4. a kind of wireless screen transmission method according to claim 1, which is characterized in that further comprise the steps of:
The edit operation of the display end parsing user on the display screen, generates the corresponding edit instruction of the edit operation；
The edit instruction is fed back to the corresponding terminal of present displayed content by wireless screen transmission equipment by the display end, makes institute
The corresponding terminal of present displayed content is stated to be responded according to the edit instruction.
5. a kind of wireless screen transmission method according to claim 1, which is characterized in that further comprise the steps of:
The wireless screen transmission equipment is connected to the target radio network, realizes wireless communication with the display end with this.
6. a kind of wireless screen transmission equipment, which is characterized in that wireless screen transmission equipment includes:
Control instruction generation module, the control for parsing user operate, and generate the corresponding control instruction of the operation；
Module is obtained, is electrically connected with described instruction generation module, for obtaining audio/video information from terminal；
First wireless communication module is electrically connected with the acquisition module, for by the audio/video information of the terminal and/or described
Control instruction is wirelessly transmitted to display end, so that display end is shown corresponding content, and can control the content currently shown.
7. a kind of wireless screen transmission equipment according to claim 6, it is characterised in that:
Described instruction generation module, when being also used to carry out first kind operation in the wireless screen transmission equipment as user, the nothing
Line passes the first generic operation of screen equipment parsing user, generates switching control instruction；
Described instruction generation module is also used to when user carries out the second generic operation in the wireless screen transmission equipment, the nothing
Line passes the second generic operation of screen equipment parsing user, generates split screen control instruction.
8. a kind of wireless screen transmission equipment according to claim 6, it is characterised in that:
First wireless communication module is also used to send the audio/video information of the terminal and switching control instruction
To the display end, make the display end that the display content of current display interface to be switched to the audio/video information of the terminal；
Or；
First wireless communication module is also used to send the audio/video information of the terminal and the split screen control instruction
To the display end, make the display end that current display interface is divided into multiple display windows, and the sound of the terminal is regarded
On a frequency information display window shown in.
9. a kind of wireless screen transmission system, which is characterized in that system includes terminal, wireless screen transmission equipment, display end；
The wireless screen transmission equipment includes:
Control instruction generation module, the control for parsing user operate, and generate the corresponding control instruction of the operation；
Module is obtained, is electrically connected with described instruction generation module for obtaining audio/video information from terminal；
First wireless communication module is electrically connected with the acquisition module, for by the audio/video information of the terminal and described
Control instruction is wirelessly transmitted to display end, believes that the display end according to the audio-video of the control instruction and the terminal
Breath carries out display control to present displayed content；
The display end includes:
Display control module, for the audio/video information according to the control instruction and multiple terminals, to present displayed content
Carry out display control.
10. a kind of wireless screen transmission system according to claim 9, which is characterized in that the display end further include:
It is corresponding to generate the edit operation for parsing the edit operation of user on the display screen for edit instruction generation module
Edit instruction；
Second wireless communication module, for the edit instruction to be fed back to present displayed content by the wireless screen transmission equipment
Corresponding terminal；Respond the corresponding terminal of the present displayed content according to the edit instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090413.8A CN109379549A (en) | 2018-09-18 | 2018-09-18 | A kind of wireless screen transmission method, equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090413.8A CN109379549A (en) | 2018-09-18 | 2018-09-18 | A kind of wireless screen transmission method, equipment and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109379549A true CN109379549A (en) | 2019-02-22 |
Family
ID=65405624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811090413.8A Pending CN109379549A (en) | 2018-09-18 | 2018-09-18 | A kind of wireless screen transmission method, equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109379549A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110032349A (en) * | 2019-03-29 | 2019-07-19 | 联想(北京)有限公司 | Control method, methods of exhibiting, control device and computer readable storage medium |
| CN110147199A (en) * | 2019-05-23 | 2019-08-20 | 北京硬壳科技有限公司 | Display on the same screen method, apparatus and touch control display |
| CN110213646A (en) * | 2019-05-24 | 2019-09-06 | 深圳市朗强科技有限公司 | A kind of display control unit, display control program and display control method |
| CN111240627A (en) * | 2020-01-15 | 2020-06-05 | 北京小米移动软件有限公司 | Remote controller, screen projection receiving assembly, television, screen projection system and screen projection method |
| CN111601120A (en) * | 2020-04-21 | 2020-08-28 | 江苏大学 | Wireless screen transmission display system and display method |
| CN111885403A (en) * | 2020-07-06 | 2020-11-03 | 深圳市宝泽科技有限公司 | Wireless screen transmission method supporting double signals and wireless screen transmitter |
| WO2020233722A1 (en) * | 2019-05-23 | 2020-11-26 | 苏州必捷网络有限公司 | Wireless screen projection transfer device and wireless screen projection system |
| CN112019896A (en) * | 2020-08-27 | 2020-12-01 | 北京字节跳动网络技术有限公司 | Screen projection method and device, electronic equipment and computer readable medium |
| CN112256226A (en) * | 2020-10-22 | 2021-01-22 | 广州市金其利信息科技有限公司 | Wireless screen expansion method and system |
| CN113905271A (en) * | 2021-09-28 | 2022-01-07 | 上海明我信息技术有限公司 | One-screen transmission system |
| US12050837B2 (en) | 2020-08-27 | 2024-07-30 | Douyin Vision Co., Ltd. | Screen projection method and apparatus, electronic device, and computer-readable medium |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991564A (en) * | 2005-12-29 | 2007-07-04 | 联想(北京)有限公司 | Wireless projection method and system and apparatus thereof |
| CN102243539A (en) * | 2010-05-10 | 2011-11-16 | 中强光电股份有限公司 | Optical device and projection system |
| CN203191809U (en) * | 2013-04-19 | 2013-09-11 | 上海金陵电子网络股份有限公司 | Wireless central control system |
| CN103543820A (en) * | 2012-07-09 | 2014-01-29 | 宏碁股份有限公司 | Method and system for wireless interactive projection |
| CN104661080A (en) * | 2015-03-12 | 2015-05-27 | 重庆蓝岸通讯技术有限公司 | Multi-equipment projection control method based on Wi-Fi wireless network |
| CN107015779A (en) * | 2017-05-26 | 2017-08-04 | 苏州腾邦科技有限公司 | It is a kind of built-in wireless with screen touch-control electronic blank |
| CN206498482U (en) * | 2016-08-30 | 2017-09-15 | 广州盈可视电子科技有限公司 | One kind demonstration multimedia collection device and wireless recording and broadcasting system |
| CN107368273A (en) * | 2017-07-07 | 2017-11-21 | 深圳市海勤科技有限公司 | The key operation local area network wireless of plug and play one passes screen operator, system and method |
| CN107493484A (en) * | 2017-08-18 | 2017-12-19 | 三星电子（中国）研发中心 | System, method and apparatus for projection screen |
| CN107734288A (en) * | 2017-09-27 | 2018-02-23 | 苏州成业网络科技有限公司 | A kind of video conference blank split screen method and system |
| CN107807889A (en) * | 2017-11-16 | 2018-03-16 | 杭州楷知科技有限公司 | A kind of method of USB device and USB device driving initialization |
| CN207854083U (en) * | 2018-01-02 | 2018-09-11 | 深圳市客所思电子科技有限公司 | Pass screen device |
-
2018
- 2018-09-18 CN CN201811090413.8A patent/CN109379549A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991564A (en) * | 2005-12-29 | 2007-07-04 | 联想(北京)有限公司 | Wireless projection method and system and apparatus thereof |
| CN102243539A (en) * | 2010-05-10 | 2011-11-16 | 中强光电股份有限公司 | Optical device and projection system |
| CN103543820A (en) * | 2012-07-09 | 2014-01-29 | 宏碁股份有限公司 | Method and system for wireless interactive projection |
| CN203191809U (en) * | 2013-04-19 | 2013-09-11 | 上海金陵电子网络股份有限公司 | Wireless central control system |
| CN104661080A (en) * | 2015-03-12 | 2015-05-27 | 重庆蓝岸通讯技术有限公司 | Multi-equipment projection control method based on Wi-Fi wireless network |
| CN206498482U (en) * | 2016-08-30 | 2017-09-15 | 广州盈可视电子科技有限公司 | One kind demonstration multimedia collection device and wireless recording and broadcasting system |
| CN107015779A (en) * | 2017-05-26 | 2017-08-04 | 苏州腾邦科技有限公司 | It is a kind of built-in wireless with screen touch-control electronic blank |
| CN107368273A (en) * | 2017-07-07 | 2017-11-21 | 深圳市海勤科技有限公司 | The key operation local area network wireless of plug and play one passes screen operator, system and method |
| CN107493484A (en) * | 2017-08-18 | 2017-12-19 | 三星电子（中国）研发中心 | System, method and apparatus for projection screen |
| CN107734288A (en) * | 2017-09-27 | 2018-02-23 | 苏州成业网络科技有限公司 | A kind of video conference blank split screen method and system |
| CN107807889A (en) * | 2017-11-16 | 2018-03-16 | 杭州楷知科技有限公司 | A kind of method of USB device and USB device driving initialization |
| CN207854083U (en) * | 2018-01-02 | 2018-09-11 | 深圳市客所思电子科技有限公司 | Pass screen device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110032349A (en) * | 2019-03-29 | 2019-07-19 | 联想(北京)有限公司 | Control method, methods of exhibiting, control device and computer readable storage medium |
| CN110147199A (en) * | 2019-05-23 | 2019-08-20 | 北京硬壳科技有限公司 | Display on the same screen method, apparatus and touch control display |
| WO2020233722A1 (en) * | 2019-05-23 | 2020-11-26 | 苏州必捷网络有限公司 | Wireless screen projection transfer device and wireless screen projection system |
| CN110213646A (en) * | 2019-05-24 | 2019-09-06 | 深圳市朗强科技有限公司 | A kind of display control unit, display control program and display control method |
| CN111240627A (en) * | 2020-01-15 | 2020-06-05 | 北京小米移动软件有限公司 | Remote controller, screen projection receiving assembly, television, screen projection system and screen projection method |
| US11553231B2 (en) | 2020-01-15 | 2023-01-10 | Beijing Xiaomi Mobile Software Co., Ltd. | Remote controller, screen projection receiving component, television, screen projection system and screen projection method |
| CN111601120A (en) * | 2020-04-21 | 2020-08-28 | 江苏大学 | Wireless screen transmission display system and display method |
| CN111885403A (en) * | 2020-07-06 | 2020-11-03 | 深圳市宝泽科技有限公司 | Wireless screen transmission method supporting double signals and wireless screen transmitter |
| CN112019896A (en) * | 2020-08-27 | 2020-12-01 | 北京字节跳动网络技术有限公司 | Screen projection method and device, electronic equipment and computer readable medium |
| US12050837B2 (en) | 2020-08-27 | 2024-07-30 | Douyin Vision Co., Ltd. | Screen projection method and apparatus, electronic device, and computer-readable medium |
| CN112256226A (en) * | 2020-10-22 | 2021-01-22 | 广州市金其利信息科技有限公司 | Wireless screen expansion method and system |
| CN113905271A (en) * | 2021-09-28 | 2022-01-07 | 上海明我信息技术有限公司 | One-screen transmission system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109379549A (en) | A kind of wireless screen transmission method, equipment and system | |
| CN106598342B (en) | The multisystem of intelligent whiteboard TV uses the design method of a touch frame simultaneously | |
| CN107333082A (en) | A kind of wireless cooperation system and its implementation based on USB Type C interface | |
| CN102981758B (en) | Connection method between electronic devices | |
| CN111601120A (en) | Wireless screen transmission display system and display method | |
| CN102801941B (en) | A kind of embedded radio projection access device | |
| WO2017101440A1 (en) | Remote annotation synchronization method and system | |
| CN103281580A (en) | Television set remote control method for separating user interface and system thereof | |
| CN103491409A (en) | Multi-screen control system, realizing method of multi-screen control system and remote controllers | |
| CN108063820A (en) | A kind of throwing screen synchronous method of cloud meeting | |
| CN203164829U (en) | Wireless high definition transmission screen intelligent all-in-one machine | |
| CN103123752B (en) | Audio-video playing system and method based on electronic whiteboard | |
| CN105320119A (en) | Remote controlling method and system for large-size screen and personal computer based on mobile intelligent terminal | |
| CN209030312U (en) | A kind of wireless screen transmission equipment and wireless screen transmission system | |
| CN109753259B (en) | Screen projection system and control method | |
| CN103150117A (en) | Method and device for closing application or interface | |
| CN203224859U (en) | Interactive electronic whiteboard used for audio video wireless transmission of projector | |
| CN106598213A (en) | Virtual reality device, and control method and system thereof | |
| CN103269445A (en) | Smart television system and control method thereof | |
| CN110225382A (en) | Audio-video-interactive integration operating software based on split screen control technology | |
| CN1299192C (en) | Remote-wireless controller for computer | |
| CN103294193A (en) | Multi-terminal interaction method, device and system | |
| CN204145638U (en) | A kind of intelligent wireless interaction display unit | |
| CN203775353U (en) | Embedded type multifunctional wireless liquid crystal display | |
| CN113727049B (en) | Display device and interface display method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |