CN105808147A - Wireless replication and expanded display interaction method and system - Google Patents
Wireless replication and expanded display interaction method and system Download PDFInfo
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- CN105808147A CN105808147A CN201610303089.8A CN201610303089A CN105808147A CN 105808147 A CN105808147 A CN 105808147A CN 201610303089 A CN201610303089 A CN 201610303089A CN 105808147 A CN105808147 A CN 105808147A
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- display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
Abstract
The invention aims at solving the problems of synchronizing wireless replication, screen expansion and touch control between equipment that does not support a miracast technology, and discloses a wireless replication and expanded display interaction method and a wireless replication and expanded display interaction system capable of realizing both a replicated screen and an expanded screen. The wireless replication and expanded display interaction system comprises source terminal equipment, touch control display equipment, USB (Universal Serial Bus)virtual equipment and display interaction processing equipment, wherein the USB virtual equipment is composed of a virtue display screen module, an analog-to-digital conversion module, a compression module, a wireless communication module and a protocol conversion module, and the display interaction processing equipment is composed of the wireless communication module, a decompression module and a digital-to-analog conversion module. As a virtue display screen is virtualized on the source terminal equipment in a hardwire manner, the touch control display equipment serves as a wireless replication or expanded display touch control terminal of the source terminal equipment by means of wireless synchronous display and touch control interaction of the virtue display screen and the touch control display equipment. The virtue display screen is formed by audio and video signals which are replicated or expanded by the source terminal equipment and output from a USB-to-standard audio/video interface of the source terminal equipment.
Description
Technical field
The present invention relates to man-machine interaction and Display Technique field, particularly to a kind of wireless duplication with extension display exchange method and system.
Background technology
The content shown on source device screen and sound are uniaxially synchronized to the display end such as projector, television set and are shown by wireless screen transmission technology, but can not by the signal return of display end to source equipment.For realizing the passback of display end touch data, application number 201510334863.7 a kind of " wireless screen transmission method, expansion equipment and wireless screen transmission system " a kind of wireless screen transmission method is provided, expansion equipment and wireless screen transmission system, in the external expansion equipment of source equipment, it is sent to touch screen display end wirelessly displays by the expansion equipment display data on the screen by source equipment and voice data, realize wireless screen transmission function, and by wireless network, the touch data of touch screen display end is fed back to source equipment, realize from the display end touch operation to source equipment；Application number 201210209662.0 " display device of tool wireless transmission function and the radio transmitting method of display device " and 201310578185.X " a kind of information processing method and electronic equipment " provide and have touch-control and the display device of wireless sending and receiving function, it may be achieved wireless screen transmission and touch-control synchronize.
Described technical scheme all can only realize the duplication of source device screen, it is impossible to realizes the extension of screen.In the occasion needing screen to extend, described technical scheme all lost efficacy.Such as, in PPT demonstrates, it is possible under Windows multi-screen is supported, utilize speaker's view, allow source equipment such as notebook computer show the remark information in PPT, and on projector, only show PPT image content, do not show remark information.If but adopt wireless screen transmission mode, be only duplication to screen, it is impossible to enable this function, more impossible realize touch-control passback.
201410131173.7 " multi-display method and multihead display process device " is by the display can realize mutual control in current electronic device and another electronic equipment respectively by least two task of parallel running in electronic equipment of Miracast technology.By screen coding parts, the graphical interfaces of the application of current electronic device running background is encoded to transmission stream, wireless screen parts of throwing the transmission of coding is streamed on another electronic equipment.Described technical scheme is supporting that passing through the direct-connected software type extension realizing source device display screen of Wifi between the source equipment of MiracastSource and the display device supporting MiracastDisplay throws screen and reversely manipulate.
Summary of the invention
The present invention never supports that for solution the wireless duplication between the equipment of Miracast technology passes screen and touch-control stationary problem with extension, it is provided that a kind of not only can realize replicating screen but also can realizing wireless duplication and extension display exchange method and the system of extended screen.
This invention address that technical problem adopts the following technical scheme that
A kind of wireless duplication of the present invention and extension display exchange method, it is characterized by: a virtual virtual display in hardware on source equipment, show mutual with touch-control by the wireless synchronization of virtual display Yu touch control display device, using the touch control display device wireless duplication as source equipment or extension display touch control terminal.
Wireless duplication of the present invention and extension show the method for virtual display in hardware in exchange method, it is characterized by: USB interface is set by source equipment and turns Standard Audiovisual interface, the display screen audio/video signal of output source device replication or extension, forms virtual display.
A kind of wireless duplication of the present invention and extension display interactive system, it is characterized in that by source equipment, the touch control display device that comprises touch-control module, and the USB virtual unit being made up of virtual display module, analog-to-digital conversion module, compression module, wireless communication module, protocol conversion module, the display interaction process equipment that is made up of described wireless communication module, decompression module, D/A converter module form；Described wireless duplication and extension display interactive system by installing USB virtual unit on source equipment, a virtual virtual display being capable of the duplication of source device display screen or expanded function, the audio-video signal of described virtual display is wirelessly transmitted to display interaction process equipment, it is then displayed in touch control display device, the user's touch control operation in touch control display device of touch-control module sensing simultaneously, USB virtual unit is passed back by wireless for touch-control interactive signal, realize touch control display device with the simultaneous display of virtual display with mutual, thus using the touch control display device wireless duplication as source equipment or extension display touch control terminal.
Described source equipment can be with the desk computer of USB interface, notebook computer.
Described touch control display device can be touch display screen, be configured with the projection screen of touch-control module, soft board, blank, blackboard, metope.Described touch-control module identification user touch control operation in described touch control display device, and form touch-control interactive signal.Described touch control operation includes touch screen click, laser pen operation, gesture operation.
Described virtual display module turns Standard Audiovisual interface by USB interface and described source device display screen is replicated or extended, the display screen audio/video signal of output source device replication or extension, forms virtual display.
Described analog-to-digital conversion module converts the display screen audio/video signal of described source device replication or extension to picture frame and audio frame.
Described compression module compresses described picture frame and audio frame, in order to realize fast wireless transmissions by wireless communication module.
Picture frame and the audio frame of compression are wirelessly transmitted to decompression module by described wireless communication module, and in the touch control display device simultaneously obtained by touch-control module, produced touch-control interactive signal passes protocol conversion module back.
The touch-control interactive signal that described touch-control module is formed by described protocol conversion module is converted to HID protocol.
The described decompression module picture frame to being wirelessly transferred from source equipment and audio frame realize decompressing.
Picture frame and audio frame through digital-to-analogue conversion, are formed audio-video signal, pass to touch control display device and show by described D/A converter module.
Compared with the prior art, the present invention has the beneficial effect that:
A kind of wireless duplication of the present invention and extension display exchange method and system by hardware mode by the duplication of source device display screen or extended screen Wireless Display in touch control display device, and realizing touch-control passback, solution never supports that the wireless duplication between the equipment of Miracast technology passes screen and touch-control stationary problem with extension.
Accompanying drawing explanation
Fig. 1 is a kind of wireless duplication of the present invention and extension display exchange method schematic diagram.
Fig. 2 is a kind of wireless duplication of the present invention and extension display interactive system function structure chart.
Symbol in figure: 1 source equipment, 2 touch control display device, 3USB virtual unit, 4 display interaction process equipment, 11 source device display screens, 12 virtual display, 21 touch-control modules, 31 virtual display modules, 32 analog-to-digital conversion modules, 33 compression modules, 34 wireless communication modules, 35 protocol conversion modules, 41 decompression modules, 42 D/A converter modules.
Below by way of detailed description of the invention, and the invention will be further described in conjunction with accompanying drawing, but embodiments of the present invention are not limited to this.
Detailed description of the invention
A kind of wireless duplication of the present embodiment and extension display exchange method, referring to Fig. 1, it is characterized by: a virtual virtual display 12 in hardware on source equipment 1, wireless synchronization by virtual display 12 with touch control display device 2 show mutual with touch-control, and the touch control display device 2 wireless duplication as source equipment 1 or extension are shown touch control terminal.
Wireless duplication described in the present embodiment and extension show the method for virtual display in hardware in exchange method, it is characterized by: USB interface is set by source equipment 1 and turns HDMI/VGA interface, the display screen audio/video signal that output source equipment 1 replicates or extends, forms virtual display 12.
A kind of wireless duplication of the present embodiment and extension display interactive system, referring to Fig. 2, it is characterized in that by source equipment 1, the touch control display device 2 that comprises touch-control module 21, and the USB virtual unit 3 being made up of virtual display module 31, analog-to-digital conversion module 32, compression module 33, wireless communication module 34, protocol conversion module 35, the display interaction process equipment 4 that is made up of described wireless communication module 34, decompression module 41, D/A converter module 42 form.
Described wireless duplication and extension display interactive system by installing USB virtual unit 3 on source equipment 1, a virtual virtual display 12 being capable of the duplication of source equipment 1 display screen or expanded function, the audio-video signal of described virtual display 12 is wirelessly transmitted to display interaction process equipment 4, it is then displayed in touch control display device 2, touch-control module 21 senses user's touch control operation in touch control display device 2 simultaneously, USB virtual unit 3 is passed back by wireless for touch-control interactive signal, realize touch control display device 2 with the simultaneous display of virtual display 12 with mutual, thus using the touch control display device 2 wireless duplication as source equipment 1 or extension display touch control terminal.
Described source equipment 1 can be with the desk computer of USB interface, notebook computer, it is possible to has source device display screen 11, it is also possible to does not have source device display screen 11.
Described touch control display device 2 can be touch display screen, be configured with the projection screen of touch-control module 21, soft board, blank, blackboard, metope.Described touch-control module 21 identifies user's touch control operation in described touch control display device 2, and forms touch-control interactive signal.Described touch control operation includes touch screen click, laser pen operation, gesture operation.
Described virtual display module 31 turns HDMI/VGA interface by USB interface and described source equipment 1 display screen is replicated or extended, the display screen audio/video signal that output source equipment 1 replicates or extends, and forms virtual display 12.
Described source equipment 1 is replicated by described analog-to-digital conversion module 32 or the display screen audio/video signal that extends converts picture frame and audio frame to.
Described compression module 33 compresses described picture frame and audio frame, in order to realize fast wireless transmissions by wireless communication module 34.
Picture frame and the audio frame of compression are wirelessly transmitted to decompression module 41 by described wireless communication module 34, and in the touch control display device 2 simultaneously obtained by touch-control module 21, produced touch-control interactive signal passes protocol conversion module 35 back.
The touch-control interactive signal that described touch-control module 21 is formed is converted to HID protocol by described protocol conversion module 35.
The described decompression module 41 picture frame to being wirelessly transferred from source equipment 1 and audio frame realize decompressing.
Picture frame and audio frame through digital-to-analogue conversion, are formed audio-video signal, pass to touch control display device 2 and show by described D/A converter module 42.
Wireless duplication described in the present embodiment concretely comprises the following steps with extension display exchange method:
(1) source equipment 1 turns HDMI/VGA interface, the display screen audio/video signal that output source equipment 1 replicates or extends by USB interface, forms virtual display 12.
(2) the virtual display content of described virtual display 12 converts picture frame and audio frame to by analog-to-digital conversion module 32.
(3) by compression module 33, described picture frame and audio frame are compressed.
(4) described compressed picture frame and audio frame are by wireless communication module 34, pass to decompression module 41, it is achieved decompress.
(5) picture frame after decompression and audio frame, by D/A converter module 42, convert audio-video signal to, pass to touch control display device 2 and show.
(6) when user produces touch control operation in touch control display device 2, touch-control module 21 identifies described touch control operation, and is converted into touch-control interactive signal.
(7) described touch-control interactive signal is through wireless communication module 34, passes protocol conversion module 35 back, is converted to HID protocol.
(8) source equipment 1 identifies HID protocol specification, synchronizes virtual display 12 and touch control display device 2.
Claims (12)
1. a kind of wireless duplication of the present invention and extension display exchange method, it is characterized by: a virtual virtual display (12) in hardware on source equipment (1), show mutual with touch-control by the wireless synchronization of virtual display (12) Yu touch control display device (2), using the touch control display device (2) the wireless duplication as source equipment (1) or extension display touch control terminal.
2. the method that wireless duplication according to claim 1 and extension show virtual display in hardware in exchange method, it is characterized by: USB interface is set by source equipment (1) and turns Standard Audiovisual interface, the display screen audio/video signal that output source equipment (1) replicates or extends, forms virtual display (12).
3. a kind of wireless duplication of the present invention and extension display interactive system, it is characterized in that by source equipment (1), the touch control display device (2) that comprises touch-control module (21), and the USB virtual unit (3) being made up of virtual display module (31), analog-to-digital conversion module (32), compression module (33), wireless communication module (34), protocol conversion module (35), display interaction process equipment (4) that is made up of described wireless communication module (34), decompression module (41), D/A converter module (42) form；Described wireless duplication and extension display interactive system are by above installing USB virtual unit (3) at source equipment (1), a virtual virtual display (12) being capable of the duplication of source equipment (1) display screen or expanded function, the audio-video signal of described virtual display (12) is wirelessly transmitted to display interaction process equipment (4), it is then displayed in touch control display device (2), the user's touch control operation in touch control display device (2) of touch-control module (21) sensing simultaneously, USB virtual unit (3) is passed back by wireless for touch-control interactive signal, realize touch control display device (2) with the simultaneous display of virtual display (12) with mutual, thus using the touch control display device (2) the wireless duplication as source equipment (1) or extension display touch control terminal.
4. source equipment (1) according to claim 3 can be with the desk computer of USB interface, notebook computer.
5. touch control display device according to claim 3 (2) can be touch display screen, be configured with the projection screen of touch-control module (21), soft board, blank, blackboard, metope；Described touch-control module (21) identifies user's touch control operation in described touch control display device (2), and forms touch-control interactive signal；Described touch control operation includes touch screen click, laser pen operation, gesture operation.
6. virtual display module (31) according to claim 3 turns Standard Audiovisual interface by USB interface described source equipment (1) display screen is replicated or extended, the display screen audio/video signal that output source equipment (1) replicates or extends, forms virtual display (12).
7. analog-to-digital conversion module according to claim 3 (32) converts the display screen audio/video signal of the duplication of described source equipment (1) or extension to picture frame and audio frame.
8. compression module according to claim 3 (33) compresses described picture frame and audio frame, in order to realize fast wireless transmissions by wireless communication module (34).
9. picture frame and the audio frame of compression are wirelessly transmitted to decompression module (41) by wireless communication module according to claim 3 (34), and the upper produced touch-control interactive signal of the touch control display device (2) simultaneously obtained by touch-control module (21) passes protocol conversion module (35) back.
10. the touch-control interactive signal that described touch-control module (21) is formed is converted to HID protocol by protocol conversion module according to claim 3 (35).
11. the decompression module according to claim 3 (41) picture frame to being wirelessly transferred from source equipment (1) and audio frame realize decompressing.
12. picture frame and audio frame through digital-to-analogue conversion, are formed audio-video signal by D/A converter module according to claim 3 (42), pass to touch control display device (2) display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610303089.8A CN105808147A (en) | 2016-05-10 | 2016-05-10 | Wireless replication and expanded display interaction method and system |
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| CN201610303089.8A CN105808147A (en) | 2016-05-10 | 2016-05-10 | Wireless replication and expanded display interaction method and system |
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| CN105808147A true CN105808147A (en) | 2016-07-27 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108536410A (en) * | 2018-04-03 | 2018-09-14 | 广州视源电子科技股份有限公司 | Wireless screen transmission method and system |
| CN108563391A (en) * | 2018-04-04 | 2018-09-21 | 广州视源电子科技股份有限公司 | Wireless screen transmission touches retransmission method and system |
| CN108932052A (en) * | 2018-03-29 | 2018-12-04 | 北京硬壳科技有限公司 | It shows equipment and shows the exchange method of equipment |
| CN109189264A (en) * | 2018-08-21 | 2019-01-11 | 广州视源电子科技股份有限公司 | Intelligent interaction device and its extension display methods, storage medium, processor |
| CN109819201A (en) * | 2019-03-08 | 2019-05-28 | 厦门亿联网络技术股份有限公司 | A kind of meeting secondary flow data transmission method, display methods, conference system and peripheral equipment |
| CN111352603A (en) * | 2020-03-11 | 2020-06-30 | 北京文香信息技术有限公司 | Split screen display method and device, terminal and storage medium |
| CN111913674A (en) * | 2019-05-07 | 2020-11-10 | 广东虚拟现实科技有限公司 | Virtual content display method, device, system, terminal equipment and storage 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108932052A (en) * | 2018-03-29 | 2018-12-04 | 北京硬壳科技有限公司 | It shows equipment and shows the exchange method of equipment |
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Application publication date: 20160727 |