CN106371608A - Display control method and device for screen projection - Google Patents
Display control method and device for screen projection Download PDFInfo
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- CN106371608A CN106371608A CN201610836708.XA CN201610836708A CN106371608A CN 106371608 A CN106371608 A CN 106371608A CN 201610836708 A CN201610836708 A CN 201610836708A CN 106371608 A CN106371608 A CN 106371608A
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- Prior art keywords
- terminal
- mark instructions
- screen
- display control
- display
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
-
- 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
Abstract
The invention discloses a display control method and device for screen projection, and belongs to the technical field of communication. The display control method comprises the following steps: projecting a screen content of a first terminal to at least one second terminal; detecting a mark instruction received from a preset position of the first terminal or/and at least one second terminal, wherein the mark instruction is a gesture instruction or/and a touch instruction; displaying the corresponding contents on screens of the first terminal and the at least one second terminal according to the mark instruction. Thus, the display control method and device for screen projection provided by the invention can realize the sharing of a projection screen and the operation sharing at the same time, thereby improving the display effect of the screen projection and the user experience of multiple users.
Description
Technical field
The present invention relates to the display control method of communication technical field, more particularly, to screen prjection and device.
Background technology
With the development of communication technology, by screen prjection technology, it is possible to achieve between multiple terminals interconnect it may be assumed that
Content shown by the screen of transmission terminal is projected to the screen of other receiving terminals, to realize the function of Screen sharing.
In actual applications, such scene usually occurs: user is projected using mobile phone or computer in meeting or training,
To be demonstrated to document and to be explained.But during explanation, run into and need emphasis mark or be indicated to audience's concentration to see
When certain of document is a part of, laser pen be aligned is usually used needs the place of emphasis mark to be indicated to spectators' viewing, or is saying
When needing to open alternative document in solution preocess, it usually needs exit the current display interface of presentation file and and open alternative document
Folder is shown.This not only affects the accuracy identifying, and also affects the continuity explained, and then affects explanation and spectators pay attention to the class
Whole structure.
Therefore, it is necessary to provide a kind of display control method of screen prjection and device, it is to avoid the occurrence of above-mentioned, carry
High explanation person and the experience of spectators.
Content of the invention
Present invention is primarily targeted at proposing a kind of display control method of screen prjection and device it is intended to solve existing
Projection bandwagon effect poor, impact say solution preocess continuity the problems such as.
For achieving the above object, the display control method of a kind of screen prjection that the present invention provides, methods described includes walking
Rapid: the screen content of first terminal is projected at least one second terminal；Detect described first terminal or described at least
The predetermined position of one second terminal receives mark instructions, and described mark instructions are gesture instruction or/and touch command；
According to described mark instructions, in the corresponding content of the screen display of described first terminal and at least one second terminal described.
Alternatively, the predetermined position of the described first terminal of described detection or at least one second terminal described connects
Receive mark instructions, comprising: receive user is in the predeterminated position of described first terminal or at least one second terminal described
The mark instructions that place sends；Detect described mark instructions；Judge whether described mark instructions meet default mark instructions；If
It is then to upload described mark instructions to data storage location.
Alternatively, described according to described mark instructions, in the screen of described first terminal and at least one second terminal described
Curtain shows corresponding content, comprising: obtain the command information of described mark instructions from data storage location；According to described instruction
Information shows and described command information in the corresponding position of described first terminal and the screen of at least one second terminal described
Corresponding content.
Alternatively, described first terminal and at least one second terminal described have sensor, described predeterminated position be
Shape and position coordinateses or the touch-control pressure of gesture in the preset range of described sensor, is caught by described sensor
Value.
Alternatively, described the screen content of first terminal is projected at least one second terminal before, methods described
Also include: setting mark instructions and operation corresponding thereto.
Additionally, for achieving the above object, the present invention also proposes a kind of display control unit of screen prjection, described device bag
Include: projection module, for the screen content of first terminal is projected at least one second terminal；Detection module, for detecting
The predetermined position of described first terminal or at least one second terminal described receives mark instructions, and described labelling refers to
Make as gesture instruction or/and touch command；Display module, for according to described mark instructions, in described first terminal and institute
State the corresponding content of screen display of at least one second terminal.
Alternatively, described detection module includes: receiving unit, for receive user in described first terminal or/and institute
State the mark instructions that the predetermined position of at least one second terminal sends；Detector unit, for detecting described mark instructions；Sentence
Disconnected unit, for judging whether described mark instructions meet default mark instructions；Uploading unit, for when described judging unit
When judging that described mark instructions meet default mark instructions, then upload described mark instructions to data storage location.
Alternatively, described display module includes: acquiring unit, for obtaining described mark instructions from data storage location
Command information；Display unit, for according to described command information in described first terminal and at least one second terminal described
The corresponding position of screen show content corresponding with described command information.
Alternatively, described first terminal and at least one second terminal described have sensor, described predeterminated position be
Shape and position coordinateses or the touch-control pressure of gesture in the preset range of described sensor, is caught by described sensor
Value.
Alternatively, described device also includes: setup module, for arranging mark instructions and operation corresponding thereto.
The display control method of screen prjection proposed by the present invention and device, by projecting the screen content of first terminal
To at least one second terminal, when the predetermined position of detection first terminal or at least one second terminal receives mark
During note instruction, according to this mark instructions, in the corresponding content of the screen display of first terminal and at least one second terminal, simultaneously
Realize projection screen to share and operate shared, improve the display effect of screen prjection and the experience of multi-party users.
Brief description
Fig. 1 is the hardware architecture diagram realizing the optional terminal of each embodiment of the present invention one；
Fig. 2 is the wireless communication system schematic diagram of terminal as shown in Figure 1；
The schematic flow sheet of the display control method of the screen prjection that Fig. 3 provides for first embodiment of the invention；
Fig. 4 is the operation interface one of example one of the present invention:
Fig. 5 is the operation interface two of example one of the present invention:
The schematic flow sheet of the display control method of the screen prjection that Fig. 6 provides for second embodiment of the invention；
The schematic flow sheet of the display control method of the screen prjection that Fig. 7 provides for third embodiment of the invention；
The module diagram of the display control unit of the screen prjection that Fig. 8 provides for fourth embodiment of the invention；
The module diagram of the display control unit of the screen prjection that Fig. 9 provides for fifth embodiment of the invention；
The module diagram of the display control unit of the screen prjection that Figure 10 provides for sixth embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Realize the terminal of each embodiment of the present invention referring now to Description of Drawings.In follow-up description, using being used for
, only for being conducive to the explanation of the present invention, itself is not for the suffix of such as " module ", " part " or " unit " representing element
There is specific meaning.Therefore, " module " and " part " can mixedly use.
Terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as mobile phone,
Smart phone, notebook computer, digit broadcasting receiver, pda (personal digital assistant), pad (panel computer), pmp are (portable
Multimedia player), the fixed terminal of the terminal of guider etc. and such as digital tv, desk computer etc..Below,
Assume that terminal is terminal.However, it will be understood by those skilled in the art that, in addition to being used in particular for the element of mobile purpose,
Construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration realizing the optional mobile terminal of each embodiment of the present invention one is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, a/v (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memorizer 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups illustrating
Part.More or less of assembly can alternatively be implemented.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal generating before the server of broadcast singal and/or broadcast related information or reception and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include tv broadcast singal, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combining with tv or radio signals.Broadcast phase
Pass information can also provide via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is receiving.Broadcast singal can exist in a variety of manners, and for example, it can be with the electronics of DMB (dmb)
The form of program guide (epg), the electronic service guidebooks (esg) of digital video broadcast-handheld (dvb-h) etc. and exist.Broadcast
Receiver module 111 can be broadcasted by using various types of broadcast system receipt signals.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (dmb-t), DMB-satellite (dmb-s), digital video
Broadcast-hand-held (dvb-h), forward link media (mediaflo@) Radio Data System, received terrestrial digital broadcasting integrated service
Etc. (isdb-t) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and is adapted to provide for extensively
Broadcast the various broadcast systems of signal and above-mentioned digit broadcasting system.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memorizer 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node b etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can include voice and lead to
Words signal, video calling signal or the various types of data sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can include wlan (wireless lan) (wi-fi), wibro
(WiMAX), wimax (worldwide interoperability for microwave accesses), hsdpa (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
Toothtm, RF identification (rfid), Infrared Data Association (irda), ultra broadband (uwb), purple honeybeetmEtc..
Location information module 115 be for check or obtain mobile terminal positional information module.Location information module
Typical case be gps (global positioning system).According to current technology, gps module 115 calculates and is derived from three or more satellites
Range information and correct time information and for the Information application triangulation calculating, thus according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, the method for calculating position and temporal information is defended using three
Star and the error of the position that calculates by using other satellite correction and temporal information.Additionally, gps module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/v input block 120 is used for receiving audio or video signal.A/v input block 120 can include camera 121 He
Mike 1220, camera 121 is to the static map being obtained by image capture apparatus in Video Capture pattern or image capture mode
The view data of piece or video is processed.Picture frame after process may be displayed on display unit 151.At camera 121
Picture frame after reason can be stored in memorizer 160 (or other storage medium) or carry out via wireless communication unit 110
Send, two or more cameras 1210 can be provided according to the construction of mobile terminal.Mike 122 can be in telephone relation mould
Sound (voice data) is received via mike in formula, logging mode, speech recognition mode etc. operational mode, and can be by
Such acoustic processing is voice data.Audio frequency (voice) data after process can be changed in the case of telephone calling model
For can be sent to the form output of mobile communication base station via mobile communication module 112.Mike 122 can implement all kinds
Noise eliminate (or suppression) algorithm with eliminate (or suppression) receive and the noise that produces during sending audio signal or
Person disturbs.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to touched and lead to resistance, pressure, the change of electric capacity etc. sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch screen can be formed.
Sensing unit 140 detect mobile terminal 1 00 current state, (for example, mobile terminal 1 00 open or close shape
State), the position of mobile terminal 1 00, user is for the presence or absence of the contact (that is, touch input) of mobile terminal 1 00, mobile terminal
100 orientation, the acceleration or deceleration movement of mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can sense
This sliding-type phone opens or cuts out.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 is coupled with external device (ED).
Interface unit 170 is connected, with mobile terminal 1 00, the interface that can pass through as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port of device for connection with identification module, audio input/output (i/o) end
Mouth, video i/o port, ear port etc..Identification module can be storage for verifying that user uses each of mobile terminal 1 00
Kind of information and subscriber identification module (uim), client identification module (sim), Universal Subscriber identification module (usim) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected with mobile terminal 1 00 via port or other attachment means.Interface unit 170 can be used for reception and is derived from
The input (for example, data message, electric power etc.) of the external device (ED) and input receiving is transferred in mobile terminal 1 00
One or more elements or can be used for transmission data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by it by electricity
Power provides the path of mobile terminal 1 00 from base or can serve as allowing the various command signals from base input to pass through it
It is transferred to the path of mobile terminal.May serve as identifying that mobile terminal is from the various command signals of base input or electric power
The no signal being accurately fitted within base.Output unit 150 is configured to defeated with the offer of vision, audio frequency and/or tactile manner
Go out signal (for example, audio signal, video signal, alarm signal, vibration signal etc.).Output unit 150 can include showing
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processing in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show (for example, text messaging, the multimedia file that communicate with call or other
Download etc.) related user interface (ui) or graphic user interface (gui).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, illustrate video or figure
Ui or gui of picture and correlation function etc..
Meanwhile, when display unit 151 and the touch pad touch screen with formation superposed on one another as a layer, display unit
151 can serve as input equipment and output device.Display unit 151 can include liquid crystal display (lcd), thin film transistor (TFT)
In lcd (tft-lcd), Organic Light Emitting Diode (oled) display, flexible display, three-dimensional (3d) display etc. at least
A kind of.Some in these display may be constructed such that transparence to allow user from outside viewing, and this is properly termed as transparent
Display, typical transparent display can be, for example, toled (transparent organic light emitting diode) display etc..According to specific
The embodiment wanted, mobile terminal 1 00 can include two or more display units (or other display device), for example, moves
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detection and touches
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
When under the isotypes such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or in memorizer 160
The voice data transducing audio signal of middle storage and be output as sound.And, dio Output Modules 152 can provide and move
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation of terminal 100 execution.
Dio Output Modules 152 can include speaker, buzzer etc..
Alarm unit 153 can provide output to notify event to mobile terminal 1 00.Typical event is permissible
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video output, alarm unit
153 can provide output in a different manner with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, enters when communicating (incomingcommunication) when receiving calling, message or some other, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.By providing such tactile output, even if
When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memorizer 160 can store software program of the process being executed by controller 180 and control operation etc., or can
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memorizer 160 can be to store the vibration of various modes with regard to exporting and audio signal when touching and being applied to touch screen
Data.
Memorizer 160 can include the storage medium of at least one type, and described storage medium includes flash memory, hard disk, many
Media card, card-type memorizer (for example, sd or dx memorizer etc.), random access storage device (ram), static random-access storage
Device (sram), read only memory (rom), Electrically Erasable Read Only Memory (eeprom), programmable read only memory
(prom), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can execute memorizer with by network connection
The network storage device cooperation of 160 store function.
Controller 180 generally controls the overall operation of mobile terminal.For example, controller 180 execution and voice call, data
The related control of communication, video calling etc. and process.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can construct in controller 180, or it is so structured that and control
Device 180 processed separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executing on the touchscreen or figure
Piece is drawn input and is identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Suitable electric power needed for part and assembly.
Various embodiment described herein can be with using such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implementing.Hardware is implemented, embodiment described herein can be by using application-specific IC
(asic), digital signal processor (dsp), digital signal processing device (dspd), programmable logic device (pld), scene can
Program gate array (fpga), processor, controller, microcontroller, microprocessor, be designed to execute function described herein
At least one in electronic unit implementing, in some cases, can be implemented in controller 180 by such embodiment.
Software is implemented, the embodiment of such as process or function can with allow to execute the single of at least one function or operation
Software module is implementing.Software code can be come by the software application (or program) write with any suitable programming language
Implement, software code can be stored in memorizer 160 and be executed by controller 180.
So far, oneself is through describing mobile terminal according to its function.Below, for the sake of brevity, will describe such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and is not limited to slide type mobile terminal.
As shown in Figure 1 mobile terminal 1 00 may be constructed such that using via frame or packet transmission data all if any
Line and wireless communication system and satellite-based communication system are operating.
The communication system being wherein operable to according to the mobile terminal of the present invention referring now to Fig. 2 description.
Such communication system can use different air interfaces and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (fdma), time division multiple acess (tdma), CDMA (cdma) and universal mobile communications system
System (umts) (especially, Long Term Evolution (lte)), global system for mobile communications (gsm) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (bs) 270, base station
Controller (bsc) 275 and mobile switching centre (msc) 280.Msc280 is configured to and Public Switched Telephony Network (pstn)
290 formation interfaces.Msc280 is also structured to and can form interface via the bsc275 that back haul link is couple to base station 270.
If back haul link can construct according to any one in the interface that Ganji knows, described interface includes such as e1/t1, atm, ip,
Ppp, frame relay, hdsl, adsl or xdsl.It will be appreciated that system as shown in Figure 2 can include multiple bsc2750.
Each bs270 can service one or more subregions (or region), by the sky of multidirectional antenna or sensing specific direction
Each subregion that line covers is radially away from bs270.Or, each subregion can by for diversity reception two or more
Antenna covers.Each bs270 may be constructed such that support multiple frequency distribution, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25mhz, 5mhz etc.).
Intersecting that subregion and frequency are distributed can be referred to as cdma channel.Bs270 can also be referred to as base station transceiver
System (bts) or other equivalent terms.In this case, term " base station " can be used for broadly representing single
Bsc275 and at least one bs270.Base station can also be referred to as " cellular station ".Or, each subregion of specific bs270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to the mobile terminal of operation in system by broadcsting transmitter (bt) 295
100.Broadcasting reception module 111 is arranged at mobile terminal 1 00 to receive the broadcast being sent by bt295 as shown in Figure 1
Signal.In fig. 2 it is shown that several global positioning system (gps) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, depict multiple satellites 300, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.Gps module 115 is generally configured to coordinate with satellite 300 to obtain the positioning letter wanted as shown in Figure 1
Breath.Substitute gps tracking technique or outside gps tracking technique, it is possible to use other of the position of mobile terminal can be followed the tracks of
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
As a typical operation of wireless communication system, bs270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of certain base station 270 reception is anti-
Processed in specific bs270 to link signal.The data obtaining is forwarded to the bsc275 of correlation.Bsc provides call
Resource allocation and the mobile management function of including the coordination of soft switching process between bs270.Bsc275 is also by the number receiving
According to being routed to msc280, it provides the extra route service for forming interface with pstn290.Similarly, pstn290 with
Msc280 forms interface, and msc and bsc275 form interface, and bsc275 correspondingly controls bs270 with by forward link signals
It is sent to mobile terminal 1 00.
Based on above-mentioned terminal hardware structure and communication system, each embodiment of the inventive method is proposed.
Embodiment one
As shown in figure 3, first embodiment of the invention proposes a kind of display control method of screen prjection, comprising:
Step 310, setting mark instructions and operation corresponding thereto.
Specifically, mark instructions and operation corresponding with this mark instructions are pre-set.In the present embodiment, Ke Yishe
Tagging instructs as gesture instruction, and the track of gesture instruction is as shown in table 1.
Table 1
| Sequence number | Gesture | Operation |
| 1 | ○ | Open file |
| 2 | — | It is shown in each terminal |
| 3 | □ | Close closed file |
| 4 | √ | It is shown in each terminal |
| 5 | × | It is shown in each terminal |
In Table 1, the corresponding operation of gesture zero is to open file；Gesture, √, × corresponding operation are in each terminal
Screen on display, √, × mark, with the content of the shared screen of emphasis mark；The corresponding operation of gesture is to close literary composition
Part.
Further, this mark instructions can also be touch command, for example, the pressing of screen detection of each terminal, cunning
Dynamic instruction etc..Correspondingly, operation corresponding with touch command is set, for example, single click on the corresponding next effect of instruction or
Page turn over operation.
Further, this mark instructions can also be the combined command of gesture instruction and touch command.
Step 320, the screen content of first terminal is projected at least one second terminal.
Specifically, the screen prjection in the present embodiment is to be realized based on miracast technology.Miracast is wi-fi
One technical specification of alliance, miracast equipment provides to simplify and finds and arrange, and miracast passes through wi-fi
certified wi-fi directtmFormed and connect, therefore need not access any wi-fi network miracast authenticating device
Inside possesses linkage function.That is, as long as two equipment set up connection by miracast mode, user just can be by handss
Machine screen prjection on other display devices, such as TV, computer, mobile phone, flat board etc..
Miracast supports protection content crossfire, makes equipment can receive film and other material protected by copyright, right
Fuzzy Processing will be carried out in shielded content and encrypt.In addition, every equipment all enables brand-new wpa2 automaticallytmSafety is protected
Shield is it is ensured that the confidentiality of all multimedia content deliveries.In miracast specification, equipment is divided into two classes, a class is referred to as passing
Sending end (source), another kind of referred to as receiving terminal (sink).Receiving terminal is divided into main receiving terminal (primary sink) again and secondary connects
Receiving end (secondary sink), difference is that main receiving terminal can support the data output of image or sound；And secondary receiving terminal is only
Support the data output of sound, such difference is because miracast proposes the operation of pairing receiving terminal (coupled sink)
Framework, user may be selected to branch to audio-visual distinct device and assume audio and video information simultaneously.Miracast also defines service and searches
Target-seeking function, but be selective in specification, therefore can be with the miracast device of wi-fi direct finding nearby, so
Afterwards the message of searching is conveyed to user.User from searching out or previously the device of online mistake, can select to want even
The device connecing, after establishing wireless online, the device on both sides can carry out the coordination of functions of the equipments and network condition, to select to be suitable for
Audio-visual transmission form.After setting up the online agreement (session) of video stream, it is exactly subsequently a series of real-time streaming protocol
(rtsp) control command, to control broadcasting and the termination of video stream.Miracast also supports that Reverse Turning Control is uibc (user
Input back channel), uibc defines how for the control signal of receiving terminal to be transmitted back to transmission end, including touch-control, mouse,
The device events such as keyboard, joystick, allow the input equipment that user passes through receiving terminal go back to control transmission end.
In the present embodiment, defining first terminal is transmission end, and at least one second terminal is connection end.
Step 330, detects that described first terminal or the predetermined position of at least one second terminal described receive
Mark instructions.
Specifically, in the present embodiment, following three kinds of situations can be included:
Situation one: the mark instructions that the sensor of detection first terminal (transmission end) captures；
Situation two: detect the mark instructions that the sensor of one or more second terminal (receiving terminal) captures；
Situation three: the mark instructions that detection first terminal, the sensor of one or more second terminal simultaneously capture.
First terminal and at least one second terminal are respectively provided with sensor, and each sensor is provided with catching range, also
It is to say, the predeterminated position in the present embodiment refers in the preset range of sensor.Mark instructions are caught by sensor.
Proximity transducer is that instead of the contact measurement mode such as limit switch, is detected as with contacting detection object
The general name of the sensor of purpose.The mobile message of energy detection object and existence information are converted to electric signal.It is being changed to electric letter
Number detection mode in, including in the metallic object of the detection object being caused using electromagnetic induction produce vortex flow mode, catch
Survey the mode close to the mode of the volume change of electric signal causing, sharp stone and directing switch of body.
It will be appreciated by persons skilled in the art that for sensor in the position of each terminal and quantity, according to reality
Using being configured, here of the present invention is not specifically limited.
More specifically, when mark instructions are gesture instruction, sensor catches shape and the position coordinateses of gesture, to determine
Operation corresponding with gesture.
Further, when mark instructions are touch command, sensor detects the pressure value of touch-control.
Further, when the combined command that mark instructions are gesture instruction and touch command, sensor catches gesture
Shape and the pressure value of position coordinateses and detection touch-control.Sensor now can be divided into range sensor and pressure sensing
Device, and it is respectively arranged at the diverse location of each terminal.
Step 340, according to described mark instructions, shows in the screen of described first terminal and at least one second terminal described
Show corresponding content.
Specifically, accordingly one, the mark instructions received by situation two, situation three, in first terminal with extremely
The corresponding position of the screen of a few second terminal show corresponding operation, thus realize mutual projection connection equipment it
Between show the operation of different terminals.
More specifically, when first terminal (transmission end) executes corresponding operation according to the instruction of user, second eventually
Corresponding operation can be shown on the screen at end (receiving terminal).For example, when first terminal user as explanation person explanation when,
First terminal executes the operation such as the page turning of explanation person's touch-control input, flash demo, and the user of second terminal can as audience simultaneously
So that first terminal display effect is watched by second terminal.
Further, when second terminal (receiving terminal) executes corresponding operation according to the instruction of user, first eventually
Corresponding operation can be shown on the screen at end (transmission end).Second terminal can pass through mark instructions, mouse, keyboard, game
The input such as bar is corresponding to be instructed, thus realizing the mutual phase control between first terminal and second terminal.
In order that the display control method of screen prjection in the present embodiment is more clear understandable, added with following two examples
To illustrate:
Example one:
The first step, as shown in figure 4, user a needs to explain the document on mobile phone in conference process: " study hard, everyday
Upwards ", the television set then document on oneself mobile phone (transmission end) being projected to the support screen projection of meeting room (receives
End) on, realize the Screen sharing of mobile phone a and television set；
Second step, as shown in figure 5, user a is in input gesture instruction " " on proximity sensor of mobile phone, then close to biography
Sensor captures shape and the position of this gesture instruction；
3rd step, the specified location being shown in document on the mobile phone of user a and the television set of meeting room (studies hard
Lower section) need symbol that " " occurs below the content of heavy label.
Example two:
The first step, user b need with user c together with read an article, then the article of oneself mobile phone b is projected by user b
To on the mobile phone c of user c, realize the Screen sharing of mobile phone b and mobile phone c.
Second step, detection is respectively from the mark instructions zero that mobile phone b and mobile phone c receives；
3rd step, opens two documents 1 on mobile phone b and mobile phone c respectively, so that user b and user c passes through mobile phone respectively
B and mobile phone c viewing document 1.
The present embodiment provide screen prjection display control method, by by the screen content of first terminal project to
A few second terminal, refers to when the predetermined position of detection first terminal or at least one second terminal receives labelling
When making, according to this mark instructions, in the corresponding content of the screen display of first terminal and at least one second terminal, realize simultaneously
Projection screen is shared and operation is shared, improves the display effect of screen prjection and the experience of multi-party users.
Embodiment two
Refer to Fig. 6, second embodiment of the invention further provides for a kind of display control method of screen prjection, second
In embodiment, the display control method of described screen prjection is done improvement on the basis of first embodiment, and difference is only
It is, the step 330 in first embodiment further includes:
Step 610, the mark of the predetermined position transmission in first terminal or at least one second terminal for the receive user
Note instruction.
Specifically, the screen predetermined position of receive user any one or multiple terminal in multiple terminals of interconnection
Input marking instructs, and this mark instructions can be that the combination of gesture instruction, touch command or gesture instruction and touch command refers to
Order.
Step 620, detects described mark instructions.
Specifically, the command information of mark instructions can be caught by proximity transducer.
Further, for gesture instruction, command information is gesture shape and position coordinateses, thus proximity transducer
Catch gesture shape and position coordinateses；For touch command, command information is touch-control pressure value, thus sensor catches touching
Pressure control force value.
Step 630, judges whether described mark instructions meet default mark instructions；If so, then enter step 640, if
No, then do not responded.
Specifically, judge whether the gesture inputting is consistent with default gesture, if so, then enter step 640, if it is not, then
Do not responded.
Step 640, uploads described mark instructions to data storage location.
The display control method of the screen prjection of the present embodiment, by receive user in first terminal or at least
The mark instructions that the predetermined position of individual second terminal sends, detection mark instructions judge mark instruct and meet default labelling
During instruction, upload described mark instructions to data storage location such that it is able to exactly identifying user input mark instructions.
Embodiment three
Refer to Fig. 7, third embodiment of the invention further provides for a kind of display control method of screen prjection, the 3rd
In embodiment, the display control method of described screen prjection is done on the basis of first embodiment or second embodiment
Improvement, differ only in, the step 340 in first embodiment further includes:
Step 710, obtains the command information of described mark instructions from data storage location.
Step 720, according to described command information described first terminal and at least one second terminal described screen
Corresponding position shows content corresponding with described command information.
Specifically, obtain command information according in data storage location, and it is corresponding to be corresponded to the screen of each terminal
Display location and regional location, and carry out showing the corresponding label symbol of this command information or operation in default mode.
The display control method of the screen prjection of the present embodiment, by obtaining the finger of mark instructions from data storage location
Make information, and shown and instruction in the corresponding position of first terminal and the screen of at least one second terminal according to command information
The corresponding content of information, thus the terminal of real currently all interconnection all can show this label symbol in relevant position, and supports
Display simultaneously is derived from label symbol and the operation of at least two different terminals.
Example IV
The present invention further provides a kind of display control unit of screen prjection.
Reference Fig. 8, a kind of display control unit of screen prjection that Fig. 8 provides for the present embodiment fourth embodiment, described
Device includes:
Setup module 810, for arranging mark instructions and operation corresponding thereto.
Specifically, the input instruction according to user, setup module 810 pre-set mark instructions and with this mark instructions
Corresponding operation.In the present embodiment, setup module 810 can arrange mark instructions is gesture instruction, the track of gesture instruction
As shown in table 1.
Table 1
| Sequence number | Gesture | Operation |
| 1 | ○ | Open file |
| 2 | — | It is shown in each terminal |
| 3 | □ | Close closed file |
| 4 | √ | It is shown in each terminal |
| 5 | × | It is shown in each terminal |
In Table 1, the corresponding operation of gesture zero is to open file；Gesture, √, × corresponding operation are in each terminal
Screen on display, √, × mark, with the content of the shared screen of emphasis mark；The corresponding operation of gesture is to close literary composition
Part.
Further, this mark instructions can also be touch command, for example, the pressing of screen detection of each terminal, cunning
Dynamic instruction etc..Correspondingly, operation corresponding with touch command is set, for example, single click on the corresponding next effect of instruction or
Page turn over operation.
Further, this mark instructions can also be the combined command of gesture instruction and touch command.
Projection module 820, for projecting at least one second terminal by the screen content of first terminal.
Specifically, the screen prjection in the present embodiment is to be realized based on miracast technology.Miracast is wi-fi
One technical specification of alliance, miracast equipment provides to simplify and finds and arrange, and miracast passes through wi-fi
certified wi-fi directtmFormed and connect, therefore need not access any wi-fi network miracast authenticating device
Inside possesses linkage function.That is, as long as two equipment set up connection by miracast mode, user just can be by handss
Machine screen prjection on other display devices, such as TV, computer, mobile phone, flat board etc..
Miracast supports protection content crossfire, makes equipment can receive film and other material protected by copyright, right
Fuzzy Processing will be carried out in shielded content and encrypt.In addition, every equipment all enables brand-new wpa2 automaticallytmSafety is protected
Shield is it is ensured that the confidentiality of all multimedia content deliveries.In miracast specification, equipment is divided into two classes, a class is referred to as passing
Sending end (source), another kind of referred to as receiving terminal (sink).Receiving terminal is divided into main receiving terminal (primary sink) again and secondary connects
Receiving end (secondary sink), difference is that main receiving terminal can support the data output of image or sound；And secondary receiving terminal is only
Support the data output of sound, such difference is because miracast proposes the operation of pairing receiving terminal (coupled sink)
Framework, user may be selected to branch to audio-visual distinct device and assume audio and video information simultaneously.Miracast also defines service and searches
Target-seeking function, but be selective in specification, therefore can be with the miracast device of wi-fi direct finding nearby, so
Afterwards the message of searching is conveyed to user.User from searching out or previously the device of online mistake, can select to want even
The device connecing, after establishing wireless online, the device on both sides can carry out the coordination of functions of the equipments and network condition, to select to be suitable for
Audio-visual transmission form.After setting up the online agreement (session) of video stream, it is exactly subsequently a series of real-time streaming protocol
(rtsp) control command, to control broadcasting and the termination of video stream.Miracast also supports that Reverse Turning Control is uibc (user
Input back channel), uibc defines how for the control signal of receiving terminal to be transmitted back to transmission end, including touch-control, mouse,
The device events such as keyboard, joystick, allow the input equipment that user passes through receiving terminal go back to control transmission end.
In the present embodiment, defining first terminal is transmission end, and at least one second terminal is connection end.
Detection module 830, for detecting the predeterminated position of described first terminal or at least one second terminal described
Place receives mark instructions.
Specifically, in the present embodiment, following three kinds of situations can be included:
Situation one: detection module 830 detects the mark instructions that the sensor of first terminal (transmission end) captures；
Situation two: detection module 830 detects the mark that the sensor of one or more second terminal (receiving terminal) captures
Note instruction；
Situation three: detection module 830 detection first terminal, the sensor of one or more second terminal simultaneously capture
Mark instructions.
First terminal and at least one second terminal are respectively provided with sensor, and each sensor is provided with catching range, also
It is to say, the predeterminated position in the present embodiment refers in the preset range of sensor.Mark instructions are caught by sensor.
Proximity transducer is that instead of the contact measurement mode such as limit switch, is detected as with contacting detection object
The general name of the sensor of purpose.The mobile message of energy detection object and existence information are converted to electric signal.It is being changed to electric letter
Number detection mode in, including in the metallic object of the detection object being caused using electromagnetic induction produce vortex flow mode, catch
Survey the mode close to the mode of the volume change of electric signal causing, sharp stone and directing switch of body.
It will be appreciated by persons skilled in the art that for sensor in the position of each terminal and quantity, according to reality
Using being configured, here of the present invention is not specifically limited.
More specifically, when mark instructions are gesture instruction, sensor catches shape and the position coordinateses of gesture, to determine
Operation corresponding with gesture.
Further, when mark instructions are touch command, sensor detects the pressure value of touch-control.
Further, when the combined command that mark instructions are gesture instruction and touch command, sensor catches gesture
Shape and the pressure value of position coordinateses and detection touch-control.Sensor now can be divided into range sensor and pressure sensing
Device, and it is respectively arranged at the diverse location of each terminal.
Display module 840, for according to described mark instructions, in described first terminal and at least one second terminal described
The corresponding content of screen display.
Specifically, accordingly one, the mark instructions received by situation two, situation three, display module 840 is
The corresponding position of the screen of one terminal and at least one second terminal shows corresponding operation, thus realizing in mutual projection even
The operation of different terminals is shown between the equipment connecing.
More specifically, when first terminal (transmission end) executes corresponding operation according to the instruction of user, display module
840 can show corresponding operation on the screen of second terminal (receiving terminal).For example, when the user of first terminal is as explanation
In explanation, display module 840 executes the operation such as the page turning of explanation person's touch-control input, flash demo in first terminal to person, simultaneously
The user of second terminal can watch first terminal display effect by second terminal as audience.
Further, when second terminal (receiving terminal) executes corresponding operation according to the instruction of user, display module
840 can show corresponding operation on the screen of first terminal (transmission end).Second terminal can pass through mark instructions, Mus
The input such as mark, keyboard, joystick is corresponding to be instructed, thus realizing the mutual phase control between first terminal and second terminal.
In order that the display control method of screen prjection in the present embodiment is more clear understandable, added with following two examples
To illustrate:
Example one:
The first step, as shown in figure 4, user a needs to explain the document on mobile phone in conference process: " study hard, everyday
Upwards ", the television set that the support screen that the document on mobile phone (transmission end) projects to meeting room projects (is connect by projection module 820
Receiving end) on, realize the Screen sharing of mobile phone a and television set；
Second step, as shown in figure 5, user a in input gesture instruction " " on proximity sensor of mobile phone, then detects mould
Block 830 controls proximity transducer to capture shape and the position of this gesture instruction；
3rd step, display module 840 is shown in the specified location of document on the mobile phone of user a and the television set of meeting room
Place (lower section studying hard) needs the symbol " " below the content of heavy label.
Example two:
The first step, user b need with user c together with read an article, then the article of mobile phone b is thrown by projection module 820
Shadow, on the mobile phone c of user c, realizes the Screen sharing of mobile phone b and mobile phone c.
Second step, detection module 830 detection is respectively from the mark instructions zero that mobile phone b and mobile phone c receives；
3rd step, display module 840 opens two documents 1 on mobile phone b and mobile phone c respectively, so that user b and user c
Pass through mobile phone b and mobile phone c respectively and watch document 1.
The display control unit of the screen prjection that the present embodiment provides, by projection module 820 by the screen of first terminal
Content projects at least one second terminal, when detection module 830 detects first terminal or at least one second terminal
When predetermined position receives mark instructions, according to this mark instructions, display module 840 first terminal and at least one second
The corresponding content of screen display of terminal, realizes projection screen simultaneously and shares and operate shared, improve the display of screen prjection
Effect and the experience of multi-party users.
Embodiment five
Refer to Fig. 9, fifth embodiment of the invention further provides for a kind of display control unit of screen prjection, the 5th
In embodiment, the display control unit of described screen prjection is done improvement on the basis of fourth embodiment, and difference is only
It is, detection module further includes:
Receiving unit 910, for receive user first terminal or at least one second terminal predetermined position
The mark instructions sending.
Specifically, the screen of receiving unit 910 receive user any one or multiple terminal in multiple terminals of interconnection
Curtain predetermined position input marking instruction, this mark instructions can be gesture instruction, touch command or gesture instruction and touch-control
The combined command of instruction.
Detector unit 920, for detecting described mark instructions.
Specifically, detector unit 920 can catch the command information of mark instructions by proximity transducer.
Further, for gesture instruction, command information is gesture shape and position coordinateses, thus detector unit
920 control proximity transducer to catch gesture shape and position coordinateses；For touch command, command information is touch-control pressure
Value, thus detector unit 920 controls sensor to catch touch-control pressure value.
Judging unit 930, for judging whether described mark instructions meet default mark instructions；If so, then in triggering
Leaflet unit 940, if it is not, then do not responded.
Specifically, judging unit 930 judges whether the gesture inputting is consistent with default gesture.
Uploading unit 940, for when the instruction of judging unit 930 marker for determination meets default mark instructions, then uploading
Described mark instructions are to data storage location.
The display control unit of the screen prjection of the present embodiment, by receiving unit 910 receive user in first terminal or
The mark instructions that the predetermined position of person/and at least one second terminal sends, detector unit 920 detection mark instructions simultaneously judge
When the instruction of unit 930 judge mark meets default mark instructions, uploading unit 940 uploads described mark instructions to data storage
Position such that it is able to exactly identifying user input mark instructions.
Embodiment six
Refer to Figure 10, sixth embodiment of the invention further provides for a kind of display control unit of screen prjection,
In six embodiments, the display control unit of described screen prjection is to be made on the basis of fourth embodiment or the 5th embodiment
The improvement going out, differs only in, and display module further includes:
Acquiring unit 1010, for obtaining the command information of described mark instructions from data storage location.
Display unit 1020, for according to described command information in described first terminal and at least one second terminal described
The corresponding position of screen show content corresponding with described command information.
Specifically, according to obtaining command information in data storage location, display unit 1020 is corresponded to each terminal
The corresponding display location of screen and regional location, and carry out showing the corresponding label symbol of this command information in default mode
Or operation.
The display control unit of the screen prjection of the present embodiment, is obtained from data storage location by acquiring unit 1010
The command information of mark instructions, display unit 1020 according to command information first terminal and at least one second terminal screen
Corresponding position show content corresponding with command information, thus the terminal of real currently all interconnection all can show in relevant position
Show this label symbol, and support to show the label symbol from least two different terminals and operation simultaneously.
It should be noted that herein, term " inclusion ", "comprising" or its any other variant are intended to non-row
The comprising of his property, so that including a series of process of key elements, method, article or device not only include those key elements, and
And also include other key elements of being not expressly set out, or also include intrinsic for this process, method, article or device institute
Key element.In the absence of more restrictions, the key element being limited by sentence "including a ..." is it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by the mode of software plus necessary general hardware platform naturally it is also possible to pass through hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Go out partly can embodying in the form of software product of contribution, this computer software product is stored in a storage medium
In (as rom/ram, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) method described in execution each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of display control method of screen prjection is it is characterised in that methods described includes step:
The screen content of first terminal is projected at least one second terminal；
Detect that described first terminal or the predetermined position of at least one second terminal described receive mark instructions, institute
Stating mark instructions is gesture instruction or/and touch command；
According to described mark instructions, corresponding interior in the screen display of described first terminal and at least one second terminal described
Hold.
2. screen prjection according to claim 1 display control method it is characterised in that described detection described first eventually
The predetermined position of end or at least one second terminal described receives mark instructions, comprising:
The labelling of the predetermined position transmission in described first terminal or at least one second terminal described for the receive user refers to
Order；
Detect described mark instructions；
Judge whether described mark instructions meet default mark instructions；
If so, described mark instructions are then uploaded to data storage location.
3. the display control method of screen prjection according to claim 2 is it is characterised in that described refer to according to described labelling
Order, in the corresponding content of the screen display of described first terminal and at least one second terminal described, comprising:
The command information of described mark instructions is obtained from data storage location；
Shown in the corresponding position of described first terminal and the screen of at least one second terminal described according to described command information
Show content corresponding with described command information.
4. the display control method of the screen prjection according to any one of claim 1-3 is it is characterised in that described first is whole
End and at least one second terminal described have sensor, and described predeterminated position is in the preset range of described sensor, lead to
Cross shape and position coordinateses or the touch-control pressure value that described sensor catches gesture.
5. the display control method of screen prjection according to claim 1 is it is characterised in that described by first terminal
Before screen content projects at least one second terminal, methods described also includes:
Setting mark instructions and operation corresponding thereto.
6. a kind of display control unit of screen prjection is it is characterised in that described device includes:
Projection module, for projecting at least one second terminal by the screen content of first terminal；
Detection module, the predetermined position for detecting described first terminal or at least one second terminal described receives
To mark instructions, described mark instructions are gesture instruction or/and touch command；
Display module, for according to described mark instructions, in the screen of described first terminal and at least one second terminal described
Show corresponding content.
7. the display control unit of screen prjection according to claim 6 is it is characterised in that described detection module includes:
Receiving unit, for receive user described first terminal or at least one second terminal described predeterminated position
The mark instructions that place sends；
Detector unit, for detecting described mark instructions；
Judging unit, for judging whether described mark instructions meet default mark instructions；
Uploading unit, for when described judging unit judges that described mark instructions meet default mark instructions, then uploading institute
State mark instructions to data storage location.
8. the display control unit of screen prjection according to claim 7 is it is characterised in that described display module includes:
Acquiring unit, for obtaining the command information of described mark instructions from data storage location；
Display unit, for according to described command information described first terminal and at least one second terminal described screen
Corresponding position shows content corresponding with described command information.
9. the display control unit of the screen prjection according to any one of claim 6-8 is it is characterised in that described first is whole
End and at least one second terminal described have sensor, and described predeterminated position is in the preset range of described sensor, lead to
Cross shape and position coordinateses or the touch-control pressure value that described sensor catches gesture.
10. the display control unit of screen prjection according to claim 6 is it is characterised in that described device also includes:
Setup module, for arranging mark instructions and operation corresponding thereto.
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