CN105679126B - Display device, video system, display methods and projector - Google Patents
Display device, video system, display methods and projector Download PDFInfo
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- CN105679126B CN105679126B CN201410677192.XA CN201410677192A CN105679126B CN 105679126 B CN105679126 B CN 105679126B CN 201410677192 A CN201410677192 A CN 201410677192A CN 105679126 B CN105679126 B CN 105679126B
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Abstract
The present invention discloses a kind of display device, video system, display methods and projector.The display methods is suitable for a display device.Display methods includes：The preview data a to host side that a client is exported is transmitted, so that host side shows the preview image corresponding to preview data；And after host side shows preview image, if one first display enabling signal of host side output, the image corresponding to a video signal exported by display device display client.
Description
Technical field
The present invention relates to a kind of display devices, and more particularly to a kind of display device providing preview function, video system
System, corresponding display methods and projector.
Background technology
With the development of Information technology, the application of display device is also more and more universal.Common display device includes computer
Display, television indicator and projector.Wherein, picture size of the projector with small, conveniently moving, display can be certainly
The advantages that by adjusting, and can show large scale picture ....Projector is often applied to the ring such as teaching, meeting, theater ...
Border.
When projector is applied to such as teaching environment, can the computer of teacher and multiple students be connected to throwing simultaneously
Shadow machine, and show the image that the computer of teacher and students is exported using projector.However, the computer of students is exported
Image may include it is inappropriate or it is unsuitable using projector disclose display content (such as：The images such as violence or pornographic
Content).Thus, when the computer of students exports inappropriate image and shown to projector, it may be to product of imparting knowledge to students
Matter causes a degree of influence.
Invention content
The aspect of the present invention is to provide a kind of display device, including a display unit and a processing module.Processing
Module is electrically connected to display unit.Processing module in display unit showing the shadow that a client (client) is exported
Before image as corresponding to signal, a preview (preview) data that are exported of transmission client a to host side (host),
So that host side shows that the preview image corresponding to preview data, wherein processing module are more exported to receiving host end
One first preview request, and according to the first preview request, one second preview request of output to client so that client is according to the
Two preview requests export preview data to processing module.Preview data is sent to host side by processing module.And in processing module
After transmitting preview data to host side, if processing module receives the one first display enabling signal that host side is exported,
Processing module is more to according to one second display enabling signal of the first display enabling signal output to client so that client root
According to the second display enabling signal output image signal to processing module.Processing module is shown according to video signal control display unit
Corresponding image.
Another embodiment according to the present invention, above-mentioned preview data include desktop (desktop) image snapshot of client
(snapshot) the desktop instant video data of data or client.
Another embodiment according to the present invention, line of the processing module more to be sent out according to host side and client are asked
It asks, establishes the wireless connection between display device and host side and between display device and client respectively.
The embodiment separately having according to the present invention, above-mentioned display device system are a projector.
Another aspect of the present invention is to provide a kind of video system, including a host side, at least a client and one
Display device.Before display device is to the image corresponding to the video signal that display client is exported, client is transmitted
The exported preview data a to host side in end, so that host side shows the preview image corresponding to preview data.
An embodiment according to the present invention, one first preview request that display device is more exported to receiving host end, and
According to the first preview request, one second preview request of output to client so that client exports pre- according to the second preview request
Data are look to display device.Preview data is sent to host side by display device.
Another embodiment according to the present invention, client export a preview request information after receiving the second preview request,
And inputted and instructed according to a client user, output preview data to display device.
Another embodiment according to the present invention, after display device transmits preview data to host side, if display device connects
The one first display enabling signal that host side is exported is received, then display device is more to according to the first display enabling signal output
One second display enabling signal is to client so that client is according to the second display enabling signal output image signal to showing dress
It sets.Display device shows corresponding image according to video signal.
Another embodiment according to the present invention, host side show a preview after receiving preview data, according to preview data
Image, and instructed according to a host side user, the first display enabling signal of output to display device.
The embodiment separately having according to the present invention, above-mentioned preview data include client desktop images snapshot data or
The desktop instant video data of client.
The embodiment that has again according to the present invention, above-mentioned display device according to host side and client more being sent out
The line request gone out, establishes the wireless connection between display device and host side and between display device and client respectively.
The embodiment having again according to the present invention, above-mentioned display device system are a projector.
The another aspect of the present invention is to provide a kind of display methods, is suitable for a display device.Under display methods includes
Row step：The preview data a to host side that a client is exported is transmitted, so that host side is shown corresponding to preview data
A preview image；And after host side shows preview image, if one first display enabling signal of host side output, by
Display device shows the image corresponding to the video signal that client is exported.
An embodiment according to the present invention, above-mentioned display method further include：One first preview that receiving host end is exported is asked
It asks；And according to the first preview request, one second preview request of output to client so that client is according to the second preview request
Preview data is exported to display device.
Another embodiment according to the present invention, in above-mentioned display method, after host side shows preview image, if host side
Output the first display enabling signal, the then image corresponding to video signal exported by display device display client more wrap
Contain：The first display enabling signal is received, and according to the first display enabling signal, one second display enabling signal of output to client
End so that client is according to the second display enabling signal, output image signal；And video signal is received, and filled by display
Set the image corresponding to display video signal.
Another embodiment according to the present invention, above-mentioned preview data include the desktop images snapshot data or client of client
Desktop instant video data.
Another embodiment according to the present invention, above-mentioned display method further include：It is sent out according to host side and client
Line is asked, and establishes the wireless connection between display device and host side and between display device and client respectively.
The embodiment separately having according to the present invention, above-mentioned display device are a projector.
Another aspect of the present invention is to provide a kind of projector, to transmit the image data that a client is exported
To a host side, for the image corresponding to host side image data displaying, wherein projector is more to receiving host end institute
The one first image transmission request of output, and transmitted and asked according to the first image, output one second image transmission request to client
End so that client transmits request image output data to projector according to the second image.Image data is sent to by projector
Host side, and projector establishes projector and master respectively more to the line request sent out according to host side and client
Wireless connection between generator terminal and between projector and client.
By the technological means of the present invention, host side can utilize the shadow that display device shows that client be exported in client
As before, image that first preview client is exported.Display device can just be shown after receiving the display license that host side is sent out
Show the image that client is exported.Thus, which it includes not to be in harmony in the image that display device shows that client is exported that can avoid
When content.In addition, the present invention can wirelessly connect by being established between display device and host side and display device and client
It connects so that host side and client can pass through display device and exchange data.Thus, can reduce host side and client with
And client each other when exchanging data required foundation linking number.Furthermore host side can pass through display device, connect
Receive the image data that client is exported.Thus, host side need not establish the line between each client respectively,
The image data that client is exported can be received.
Description of the drawings
Figure 1A is a kind of block schematic diagram of display device in one embodiment of the invention.
Figure 1B is a kind of block schematic diagram of video system in one embodiment of the invention.
Fig. 1 C are a kind of block schematic diagram of display device in another embodiment of the present invention.
Fig. 2 is that another embodiment is painted the operation chart between display device, host side and client according to the present invention.
Fig. 3 is that an embodiment is painted a kind of flow diagram of display methods according to the present invention.
Fig. 4 is that another embodiment is painted a kind of flow diagram of display methods according to the present invention.
Fig. 5 is that a secondary embodiment is painted a kind of flow diagram of display methods according to the present invention.
Wherein, the reference numerals are as follows：
100,100a,100b：Display device
110：Display unit
120：Processing module
130,130a,130b：Client
133：Video signal
135：Preview data
140,140a,140b：Host side
155：First preview request
157：Second preview request
165：First display enabling signal
167：Second display enabling signal
175：Image data
185：The transmission request of first image
187：The transmission request of second image
200：Video system
230、232、234、240、242、244、246、248、250、252、254、256、258、302、304、402、404、
502：Step
Specific implementation mode
The embodiment for hereafter elaborating for embodiment cooperation attached drawing, but being provided not is contained to limit the present invention
The range of lid, and the description of structure operation is non-to limit the sequence of its execution, any structure reconfigured by element is produced
It is raw that there is equal and other effects device, it is all the range that the present invention is covered.In addition, attached drawing is only for the purpose of description, and not according to
Full size is mapped.To make to be easy to understand, similar elements will be illustrated with identical symbology in following the description.
The word (terms) used in full piece specification and claim usually has each in addition to having and especially indicating
Word using in this area, in content disclosed herein with the usual meaning in special content.It is certain describing the disclosure
Word by it is lower or this specification other places discuss, to provide those skilled in the art's volume in the description in relation to the disclosure
Outer guiding.
In addition, about " coupling " used herein or " connection ", can refer to two or multiple element mutually directly put into effect
Body is in electrical contact, or mutually puts into effect indirectly body or in electrical contact, is also referred to as two or multiple element mutual operation or action.
In this article, unless being particularly limited to for article in interior text, otherwise " one " and "the" can refer to single or
It is multiple.It will be further appreciated that "comprising" used herein, " comprising ", " having " and similar vocabulary, indicate that it is remembered
Feature, region, integer, step, operation, element and/or the component of load, but it is not excluded for its described or additional one or more
Other feature, region, integer, step, operation, element, component and/or group therein.
In addition, herein, using the vocabulary of first, second and third etc., be for describe various elements, component,
Region, layer and/or block be it is understood that.But these elements, component, region, layer and/or block should not be by these
Term is limited.These vocabulary are only limited to for distinguishing single element, component, region, layer and/or block.Therefore, hereinafter
A first element, component, region, layer and/or block be also referred to as second element, component, region, layer and/or block, and
The original idea of the present invention is not departed from.
Please refer to Figure 1A.Figure 1A is the block schematic diagram of a kind of display device 100 in one embodiment of the invention.Display dress
It can be a projector or a display to set 100, and but not limited to this.Display device 100 includes at a display unit 110 and one
Manage module 120.In an embodiment, processing module 120 is a chip.In another embodiment, display device 100 includes at least
One processor and a memory, and processing module 120 is stored in the memory, and execute its function by processor.
Processing module 120 is electrically connected to display unit 110.Processing module 120 is in one visitor of the display of display unit 110
Before the image corresponding to a video signal 133 that family end (client) 130 is exported, client 130 is exported one is transmitted
135 to one host side (host) 140 of preview (preview) data, so that host side 140 is shown corresponding to preview data 135
One preview image.
Client 130 and host side 140 can be PC, tablet computer, laptop, smart mobile phone ... etc.,
But not limited to this.In an embodiment, client 130 and host side 140 are all PC, and display device 100, visitor
Family end 130 and host side 140 are applied in a teaching environment.For example, the user of host side 140 is a teacher, and
The user of client 130 is a student.Processing module 120 to display unit 110 show student utilize 130 institute of client
Before image corresponding to the video signal 133 of output, the preview data 135 that is exported of transmission client 130 to host side
140 so that teacher is able to the preview image corresponding to preview preview data 135.
In an embodiment, preview data 135 includes desktop (desktop) image snapshot of client 130
(snapshot) the desktop instant video data of data or client 130, and video signal 133 includes the desktop of client 130
Instant video data.Whereby, in above-described embodiment, the instant shadow of desktop of the PC of student is shown in display unit 110
As before, teacher is able to the desktop images snapshot or desktop instant video data of the PC of preview student.It should be noted that
Preview data 135 is not limited to the desktop images snapshot data of above-mentioned client 130 or the desktop instant video of client 130
Data, and video signal 133 is also not limited to the desktop instant video data of client 130.In an embodiment, preview data
135 include the image snapshot data of the application program performed by client 130, and video signal 133 is held comprising client 130
The instant video data of capable application program.
In another embodiment, one first preview request that processing module 120 is more exported to receiving host end 140
155.Processing module 120 and according to the first preview request 155, one second preview request 157 of output to client 130 so that visitor
Family end 130 exports preview data 135 to processing module 120 according to the second preview request 157.Processing module 120 is by preview data
135 are sent to host side 140.Whereby, in above-described embodiment, teacher is able to that student is being required to export shadow using client 130
When image as corresponding to signal 133, host side 140 is utilized to export the first preview request 155 so that client 130 is according to the
Two preview requests 157 export preview data 135.
In another embodiment, after processing module 120 transmits preview data 135 to host side 140, if processing module
120 receive the one first display enabling signal 165 that host side 140 is exported, then processing module 120 is more to aobvious according to first
Show one second display enabling signal 167 of the output of enabling signal 165 to client 130 so that client 130 is permitted according to the second display
167 output image signal 133 of signal is to processing module 120.Processing module 120 is according to 133 control display unit of video signal
The corresponding image of 110 displays.Whereby, in above-described embodiment, the preview corresponding to preview data 135 is shown in host side 140
Image is (such as：The desktop images snapshot of the PC of student) after, teacher is able to utilize the output of host side 140 first display license
Signal 165, and make client 130 according to the second 167 output image signal 133 of display enabling signal (such as：Individual's electricity of student
The desktop instant video of brain) to display device 100 to be shown.Therefore, teacher can according to shown by host side 140 for example
The content of the desktop images snapshot of the PC of student, and decide whether to utilize the output of host side 140 first display license letter
Numbers 165.If teacher judges the desktop of the PC of student i.e. according to the content of the desktop images snapshot of the PC of student
When image be not suitable in teaching environment being shown using display device 100, then teacher may be selected does not utilize host side 140 defeated
Go out the first display enabling signal 165.Thus, which display device 100 will not show the instant shadow of the desktop of the PC of student
Picture.
It should be noted that in this present embodiment, between display device 100 and host side 140 and display device 100 and visitor
Can be wired connection between family end 130, or be wirelessly connected.In an embodiment, display device 100 and host side
It is wireless connection between 140 and between display device 100 and client 130, and processing module 120 is more to according to host side
140 and the line request that is sent out of client 130, it establishes respectively between display device 100 and host side 140 and display device
Wireless connection between 100 and client 130.Above-mentioned wireless connection can be that a WiFi is wirelessly connected, and but not limited to this.
In addition, in this present embodiment, processing module 120 is contained in display device 100.But it in practical application, handles
Module 120 is not limited to be included in display device 100.In another embodiment, processing module 120 is contained in other electronics
In device, and be electrically connected to display device 100 (such as：It is connected with HDMI interfaces).In addition, the number of client and host side
Mesh is also not limited to shown in Figure 1A 1.In another embodiment, display device 100 respectively with multiple main frames end and multiple
Client wireless connects.
Please refer to Figure 1B.Figure 1B is the block schematic diagram of a kind of video system 200 in one embodiment of the invention.Video system
System 200 includes a display device 100a, at least a client 130a and a host side 140a.Display device 100a, at least one
A client 130a and host side 140a can be display device 100, client 130 and host side shown in Figure 1A respectively
140, but not limited to this.
Display device 100a is to the shadow corresponding to the video signal 133 that is exported of a display at least client 130a
Before picture, the preview data 135 that a transmission at least client 130a is exported is to host side 140a, so that host side 140a is aobvious
Show the preview image corresponding to preview data 135.
In this present embodiment, the operation between display device 100a and client 130a and a host side 140a and Figure 1A institutes
The embodiment shown is similar, therefore details are not described herein.
In an embodiment, an at least client 130a exports a preview request after receiving the second preview request 157
Information, and inputted and instructed according to a client user, output preview data 135 to display device 100a.Whereby, in above-mentioned reality
It applies in example, the PC (i.e. client 130a) operated by student exports a preview after receiving the second preview request 157
Solicited message is to inquire whether student agrees to export preview data 135 (such as：The desktop images snapshot number of the PC of student
According to), so that teacher is carried out preview.If student agrees to that output preview data 135, the PC operated by student are (i.e. objective
Family end 130a) it is instructed (such as according to client user input：The agreement that student is inputted using the keyboard or mouse of PC
Instruction), output preview data 135 to display device 100a.Conversely, if student disagrees output preview data 135, student institute
The PC of operation does not export preview data 135.Thus, which the right of privacy of student is able to preferably be protected.
In another embodiment, host side 140a shows one after receiving preview data 135, according to preview data 135
Preview image, and instructed according to a host side user, the first display enabling signal 165 of output to display device 100a.Whereby,
In above-described embodiment, PC (i.e. host side 140a) operated by teacher is after receiving and looking at data 135, according to preview
Data 135 show a preview image (such as：The desktop images snapshot of the PC of student).If teacher is in the above-mentioned preview shadow of viewing
As after, the desktop instant video of the PC of PC (i.e. client 130a) the output student operated by student is agreed to
(i.e. video signal 133) is shown that then teacher can be generated using the keyboard or mouse of host side 140a to display device 100a
One host side user instructs.And host side 140a can be instructed according to above-mentioned host side user, output the first display license letter
Numbers 165 to display device 100a.
In above-described embodiment, display device tie up to the image corresponding to the video signal that is exported of display client it
Before, transmission the exported preview data of client to host side, so that host side shows the preview image corresponding to preview data.In
In another embodiment of the present invention, client can also be transmitted by display device in image data to host side.Above-mentioned image number
According to being not limited to preview data.An embodiment provided below is to illustrate aforesaid operations.
Please refer to Fig. 1 C.Fig. 1 C are a kind of block schematic diagram of display device 100b in another embodiment of the present invention.Yu Tu
In 1C, display device 100b, client 130b and host side 140b can be display device 100, visitor shown in Figure 1A respectively
Family end 130 and host side 140, but not limited to this.In an embodiment, display device 100b can be that a projector or one are aobvious
Show device, and client 130b and host side 140b can be PC, tablet computer, laptop, smart mobile phone ... etc..
Display device 100b to transmit an image data 175 that client 130b is exported to host side 140b, for
An image corresponding to host side 140b image data displayings 175.It should be noted that in this present embodiment, image data 175 is simultaneously
It is not limited to preview data.
In an embodiment, display device 100b more asks to the one first image transmission that receiving host end 140b is exported
Ask 185.Display device 100b is according to the first image transmission request 185, output one second image transmission request 187 to client
130b so that client 130b transmits 187 image output data 175 of request to display device 100b according to the second image.Display
Image data 175 is sent to host side 140b by device 100b.
In another embodiment, display device 100b is more being sent out according to host side 140b and client 130b
Line is asked, and establishes the nothing between display device 100b and host side 140b and between display device 100b and client 130b respectively
Line connects.
Below will according to another embodiment of the present invention, illustrate display device as shown in Figure 1A and 1B, host side with
Operation between client.Please refer to Fig. 2.Fig. 2 is another embodiment according to the present invention, is painted display device, host side and client
Operation chart between end.
In step 230 and step 232, host side and client export line and ask to processing module respectively.And
In step 234, processing module is asked according to the line that host side and client are sent out, and establishes display device and master respectively
Line between generator terminal and between display device and client.
In step 240, host side exports the first preview request to processing module.In step 242, processing module according to
The first preview request that host side is exported, the second preview request of output to client.In step 244, client is according to
Two preview requests export preview data to processing module.In step 246, processing module in receive client exported it is pre-
It lookes at after data, preview data is exported to host side.Then, in step 248, host side shows pre- corresponding to preview data
Look at image.
In step 250, the first display enabling signal of host side output to processing module.In step 252, processing module
The the first display enabling signal exported according to host side, the second display enabling signal of output to client.In step 254,
Client is according to the second display enabling signal, output image signal to processing module.Then, in step 256 and step 258
In, the video signal that processing module is exported according to client, control display unit shows corresponding image.
Fig. 3 is that an embodiment is painted a kind of flow diagram of display methods according to the present invention.This display methods can be applied
In the display device 100 as depicted in Figure 1A, but it is not limited with it.For convenience and for the sake of clear explanation, following display methods
Narration coordinate display device 100 shown in figure 1A to explain.
In step 302, display device 100 transmits 135 to one host side of a preview data that client 130 is exported
140, so that host side 140 shows the preview image corresponding to preview data 135.
In step 304, after host side 140 shows preview image, if one first display license letter of the output of host side 140
Numbers 165, then the image corresponding to a video signal 133 that client 130 is exported is shown by display device 100.
Please refer to Fig. 4.Fig. 4 is that an embodiment is painted a kind of flow diagram of display methods according to the present invention.Compared to
Display methods shown in Fig. 3, in this present embodiment, display methods further includes step 402 and step 404.This display methods can
Applied in the display device 100 as depicted in Figure 1A, but it is not limited with it.For convenience and for the sake of clear explanation, following display
The narration of method coordinates display device 100 shown in figure 1A to explain.
In step 402, one first preview request 155 that 100 receiving host end 140 of display device is exported.
In step 404, display device 100 is according to the first preview request 155, one second preview request 157 of output to visitor
Family end 130 so that client 130 exports preview data 135 to display device 110 according to the second preview request 157.
Please refer to Fig. 5.Fig. 5 is that an embodiment is painted a kind of flow diagram of display methods according to the present invention.Compared to
Display methods shown in Fig. 3, in this present embodiment, display methods further includes step 502.This display methods can be applied to such as Figure 1A
In depicted display device 100, but it is not limited with it.For convenience and for the sake of clear explanation, the narration of following display methods is matched
Display device 100 shown in figure 1A is closed to explain.
In step 502, display device 100 is asked according to the line that host side 140 and client 130 are sent out, point
The wireless connection between display device 100 and host side 140 and between display device 100 and client 130 is not established.
It will be understood that mentioned step can be according to reality in addition to especially chatting its bright sequence person in the above-described embodiment
It needs to adjust its tandem, or even can simultaneously or partially be performed simultaneously.
In conclusion by the technological means of the present invention, host side can show client in client using display device
Before the image exported, image that first preview client is exported.Display device is permitted in receiving the display that host side is sent out
Can after, can just show the image that client is exported.Thus, which can avoid display device shows the image that client is exported
In include inappropriate content.In addition, the present invention can be by between display device and host side and display device and client
It establishes and is wirelessly connected so that host side and client can exchange data by display device.Thus, which host side can be reduced
With client and client each other when exchanging data required foundation linking number.Furthermore host side can pass through
Display device receives the image data that client is exported.Thus, which host side need not be established and each client respectively
Between line, you can receive the image data that client is exported.
Although this disclosure is disclosed as above with embodiment, so it is not limited to this disclosure, Ren Heben
Field those of ordinary skill, in the spirit and scope for not departing from this disclosure, when that can be used for a variety of modifications and variations, therefore
The protection domain of this disclosure is when subject to range defined in the attached claims.
Claims (17)
1. a kind of display device, which is characterized in that include：
One display unit；And
One processing module is electrically connected to the display unit, and the processing module in the display unit showing a client institute
Before image corresponding to one video signal of output, the preview data a to host side that the client is exported is transmitted, with
The preview image corresponding to the preview data is shown for the host side, and wherein the processing module is also receiving the host side institute
One first preview request of output, and according to first preview request, one second preview request of output to the client so that it should
Client exports the preview data to the processing module according to second preview request, which transmits the preview data
To the host side, and after the processing module transmits the preview data to the host side, if the processing module receives the master
The one first display enabling signal that generator terminal is exported, then the processing module is also to according to the first display enabling signal output one
Second shows enabling signal to the client so that the client exports the video signal extremely according to the second display enabling signal
The processing module, the processing module control the display unit according to the video signal and show corresponding image.
2. display device as described in claim 1, the wherein preview data include the desktop images snapshot data of the client
Or the desktop instant video data of the client.
3. display device as described in claim 1, the wherein processing module are also to according to the host side and the client
The line request sent out, establishes the nothing between the display device and the host side and between the display device and the client respectively
Line connects.
4. display device as described in claim 1, the wherein display device are a projector.
5. a kind of video system, which is characterized in that include：
One host side；
An at least client；And
One display device, before showing the image corresponding to the video signal that is exported of an at least client, to pass
Give the preview data that an at least client is exported to a host side, so that the host side is shown corresponding to the preview data
A preview image；
Wherein the display device is also to receive one first preview request that the host side is exported, and is asked according to first preview
It asks, one second preview request of output to an at least client so that an at least client is defeated according to second preview request
Go out the preview data to the display device, which is sent to the host side by the preview data.
6. video system as claimed in claim 5, wherein an at least client are defeated after receiving second preview request
Go out a preview request information, and inputted and instructed according to a client user, exports the preview data to the display device.
7. video system as claimed in claim 5, wherein after the display device transmits the preview data to the host side,
If the display device receives the one first display enabling signal that the host side is exported, which should also to basis
First display enabling signal output, one second display enabling signal is to an at least client so that an at least client according to
The second display enabling signal exports the video signal to the display device, which shows according to the video signal and correspond to
Image.
8. video system as claimed in claim 7, the wherein host side are after receiving the preview data, according to the preview number
It according to showing a preview image, and is instructed according to a host side user, exports the first display enabling signal to the display device.
9. video system as claimed in claim 5, the wherein preview data include the desktop images snapshot data of the client
Or the desktop instant video data of the client.
10. video system as claimed in claim 5, the wherein display device also to according to the host side and this at least one
The request of line that client is sent out, establish respectively between the display device and the host side and the display device with this at least one
Wireless connection between client.
11. video system as claimed in claim 5, the wherein display device are a projector.
12. a kind of display methods, it is suitable for a display device, which is characterized in that the display methods includes：
The preview data a to host side that a client is exported is transmitted, so that the host side is shown corresponding to the preview data
A preview image；And
After the host side shows the preview image, if one first display enabling signal of host side output, by the display
Device shows the image corresponding to the video signal that the client is exported；
Wherein, which also includes：
Receive one first preview request that the host side is exported；And
According to first preview request, one second preview request of output to the client so that the client is second pre- according to this
Request of looking at exports the preview data to the display device.
13. display methods as claimed in claim 12, wherein after the host side shows the preview image, if the host side is defeated
Go out the first display enabling signal, then shows the shadow corresponding to the video signal that the client is exported by the display device
As also including：
The first display enabling signal is received, and according to the first display enabling signal, one second display enabling signal of output is extremely
The client so that the client exports the video signal according to the second display enabling signal；And
The video signal is received, and the image corresponding to the video signal is shown by the display device.
14. display methods as claimed in claim 12, the wherein preview data include the desktop images snapshot number of the client
According to or the client desktop instant video data.
15. display methods as claimed in claim 12, also includes：
The line request sent out according to the host side and the client, establish respectively between the display device and the host side with
And the wireless connection between the display device and the client.
16. display methods as claimed in claim 12, the wherein display device are a projector.
17. a kind of projector, to transmit the image data a to host side that a client is exported, so that the host side is aobvious
Show the image corresponding to the image data, which is characterized in that the projector also to receive that the host side is exported one
The transmission request of one image, and transmitted and asked according to first image, output one second image transmission request to the client so that
The client transmits request according to second image and exports the image data to the projector, which passes the image data
It send to the host side, and the projector builds respectively also to the line request sent out according to the host side and the client
Vertical wireless connection between the projector and the host side and between the projector and the client.
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| CN105679126A (en) | 2016-06-15 |
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