CN101599224A - A kind of demo system and portable terminal and wireless Internet card - Google Patents
A kind of demo system and portable terminal and wireless Internet card Download PDFInfo
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- CN101599224A CN101599224A CNA2009101606770A CN200910160677A CN101599224A CN 101599224 A CN101599224 A CN 101599224A CN A2009101606770 A CNA2009101606770 A CN A2009101606770A CN 200910160677 A CN200910160677 A CN 200910160677A CN 101599224 A CN101599224 A CN 101599224A
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Abstract
The invention discloses a kind of demo system and portable terminal and wireless Internet card, relate to wireless communication technology, the embodiment of the invention is by on portable terminal being the control signal of peripheral hardwares such as corresponding mouse and keyboard with various instruction transformation and sending by first wireless communication module of setting up, second wireless communication module of corresponding increase in the wireless Internet card that connects PC by USB, the control signal that mobile terminal receive sends, and be transmitted to PC by USB, make the speaker when speech, can use portable terminal to come the Long-distance Control PC by Bluetooth communication, and then the broadcast of control presentation file, when having made things convenient for the speaker to give a lecture presentation file is operated.
Description
Technical field
The present invention relates to wireless communication technology, relate in particular to a kind of demo system and portable terminal and wireless Internet card of the employing wireless communication technology.
Background technology
Along with the maturation of 3G technology, the Data-carrying ability of wireless network more and more strong.Getting online without being tethered to a cable has become a kind of trend, and the wireless Internet card that is used for getting online without being tethered to a cable has simultaneously also entered people's life.
The document demonstration is a very important link in teaching and the meeting.Electric document demonstration based on PC (PersenalComputer, personal computer) has been the main flow mode of document demonstration, and the utility appliance of document demonstration at present is then based on keyboard, mouse and wireless microphone.During speech the speech document by PC and the projector projects that is connected with PC to screen, the speaker is for reaching the effect of giving a lecture preferably, need leave PC gives a lecture before screen, but a lot of inconvenience have been caused to the speaker like this: at first, the speaker can't operate the broadcast that PC is controlled electronic document before screen, if in addition the special messenger being set operates before PC, same influence speech effect not tacit situation may appear cooperating; The second, when the speaker gives a lecture, may not remember the content of giving a lecture fully before screen, the speaker need see speech draft when speech like this, and the speaker is not easy directly to see clearly the full content on the screen before screen; The 3rd, the speaker needs to carry out writing on the blackboard sometimes or carry out mark in presentation file, and traditional writing on the blackboard and all limit speaker's scope of activities by the PC writing on the blackboard has influenced the interactive of speech.
At present, there have been some Long-distance Control presentation file playing system, generally include telechiric device and chromacoder, the user sends signaling to signal transmission apparatus by telechiric device, and signal transmission apparatus sends to the signaling that receives in the PC again, but is merely able to utilize this system to carry out a kind of operation usually, page turn over operation for example, and can not carry out more complicated operations, and the user need use special signal transmission apparatus that the signaling that receives is sent in the PC, realizes Long-distance Control.
The present application people finds, the control module processing speed and the control ability of wireless Internet card are stronger, but when not using the wireless Internet card online, control module in the card of surfing Internet promptly is in idle state, wasted the processing resource in the wireless Internet card, and the user also needs other signal transmission apparatus when needs carry out the document demonstration, and is very inconvenient.
Summary of the invention
The embodiment of the invention provides a kind of demo system and portable terminal and wireless Internet card, presentation file is operated when making things convenient for the speaker to give a lecture.
A kind of demo system comprises the PC that is used to play presentation file, also comprises:
Wireless Internet card, by USB (Universal Serial Bus, USB (universal serial bus)) interface connects described PC, the wireless communication module that is used for by wherein receives control signal, judge the type of described control signal and determine described control signal type corresponding virtual equipment, the virtual USB address of using the preceding described PC of initialization to distribute to described virtual unit is transferred to described PC with described control signal by USB interface;
Portable terminal, connect described wireless Internet card by wireless communication module, be used for when carrying out the document demonstration, catch user's instruction, and described instruction is converted into described virtual unit control signal corresponding, and described control signal is sent to described wireless Internet card by wireless communication module according to the instruction and the mapping table of control signal.
Preferable, described wireless communication module applying Bluetooth is realized transmission.
Further, described portable terminal also is used for, and when receiving switching command under standby mode, switches to demo mode, and the search bluetooth equipment, after connecting with described wireless Internet card, sends the signal that enters demo mode to described wireless Internet card;
Described wireless Internet card also is used for, and after receiving the signal that enters demo mode, enters demo mode, and by each virtual unit of PC initialization.
Further, described portable terminal also is used for, and when receiving incoming call in demo mode, forbids incoming ring tone and/or vibration, sends predefined voice signal and declines described incoming call, and preserve incoming information; When receiving short message, forbid short message prompt sound or and/or vibration.
Preferable, described portable terminal specifically is used for:
Capture the user and press the button triggering command that corresponding control presentation file is play button, according to the instruction of storage and the mapping table of control signal, described button triggering command is converted into the control signal of USB mouse or keyboard respective keys, and sends described control signal to described wireless Internet card by wireless communication module.
Better, described portable terminal also is used for: the paratonic movement signal, and described motor message is mapped as the movement instruction on mouse coordinates plane, movement instruction with described mouse coordinates plane is converted into the control signal that the USB mouse moves again, and by wireless communication module the control signal that described USB mouse moves is sent to described wireless Internet card.
Further, described portable terminal also is used for:
The seizure user presses the literal input instruction of corresponding literal input button in the portable terminal keyboard, or the literal input instruction of user input content in the seizure touch-screen, and described literal input instruction is converted into USB keyboard or board control signal corresponding, and send described USB keyboard or board control signal corresponding to described wireless Internet card by described first wireless communication module.
Further, described portable terminal also is used for, and receives the video data that described wireless Internet card sends by wireless communication module, and carries out showing after the adaptive processing according to the screen size and the resolution of portable terminal;
Described wireless Internet card also is used for, and the virtual USB address by corresponding USB display receives video data, and by wireless communication module described video data is sent to described portable terminal.
Further, described portable terminal also is used for:
Catch portable terminal voice signal on every side, and described voice signal is carried out filtering, removes and make an uproar, amplify, encode, and the speech data behind the described coding is sent to described wireless Internet card by wireless communication module;
Described wireless Internet card also is used for, and by wireless communication module reception speech data wherein, and uses USB Mike corresponding virtual USB address that described speech data is transferred to described PC by USB interface.
A kind of portable terminal comprises the Control on Communication submodule and the radio-frequency module that are used to realize the communication of mobile terminal function, and described radio-frequency module connects the Control on Communication controlling sub, and described Control on Communication submodule is arranged in first control module, also comprises:
Memory module is used to store the mapping table of described instruction and control signal;
First wireless communication module is used to receive described control signal, and described control signal is sent to described wireless Internet card;
Transmit control module when being used to capture the user and pressing the button that the control presentation file plays, sends the button triggering command;
The first demonstration controlling sub, be arranged in described first control module, be used to receive the button triggering command that described transmit control module sends, according to the instruction of storage and the mapping table of control signal, described button triggering command is converted into the control signal of USB mouse or keyboard respective keys, and sends described control signal to described first wireless communication module.
Further, described portable terminal also comprises:
Sensor assembly is used for the paratonic movement signal, and sends described motor message;
The signal conversion module is used to receive the motor message that described sensor assembly sends, and described motor message is mapped as the movement instruction on mouse coordinates plane, and the movement instruction on described mouse coordinates plane is sent to the described first demonstration controlling sub;
The described first demonstration controlling sub also is used for, behind the movement instruction that receives described mouse coordinates plane, mapping table according to described instruction and control signal, the movement instruction on described mouse coordinates plane is converted into the control signal that the USB mouse moves, and sends the control signal that described USB mouse moves to described first wireless communication module.
Further, described portable terminal also comprises:
The literal load module is used for catching the button that the user presses the corresponding literal input of portable terminal keyboard, or catches the content of user's input in the touch-screen, and described literal input instruction is sent to the described first demonstration controlling sub;
The described first demonstration controlling sub also is used for, after receiving described literal input instruction, described literal input instruction is converted into USB keyboard or board control signal corresponding, and sends described USB keyboard or board control signal corresponding to described first wireless communication module.
Further, described first wireless communication module also is used for, and receives the video data that described wireless Internet card sends, and sends to the described first demonstration controlling sub;
The described first demonstration controlling sub also is used for, receive the video data that described first wireless communication module sends, screen size and resolution according to portable terminal carry out sending to the display module demonstration after the adaptive processing, described display module connects the described first demonstration controlling sub, is used to show described presentation file.
Further, described portable terminal also comprises:
The sound load module is used to catch portable terminal voice signal on every side, and described voice signal is sent to the described first demonstration controlling sub;
The described first demonstration controlling sub also is used for, and receives the voice signal that described sound load module sends, and described voice signal is carried out filtering, removes and make an uproar, amplify, encode, and the speech data behind the described coding is sent to first wireless communication module;
Described first wireless communication module also is used for, and receives the speech data that the described first demonstration controlling sub sends, and is transmitted to described wireless Internet card.
A kind of wireless Internet card, comprise the wireless Internet access controlling sub and the radio-frequency module that are used to realize wireless networking capabilities, described wireless Internet access controlling sub is arranged in second control module, and described radio-frequency module connects described wireless Internet access controlling sub, also comprises:
Second wireless communication module is used to receive the control signal that described portable terminal sends, and transmits described control signal;
The second demonstration controlling sub, be arranged in described second control module, be used to receive the control signal that described wireless communication module sends, and judge the type of described control signal and determine described control signal type corresponding virtual equipment that the virtual USB address of using the preceding described PC of initialization to distribute to described virtual unit sends to described usb interface module with described control signal;
Usb interface module is used to receive the control signal that the described second demonstration controlling sub uses described control signal type corresponding virtual USB address to send, and is transmitted to described PC.
Further, described second wireless communication module also is used for, and receives the speech data that described portable terminal sends, and transmits described speech data;
The described second demonstration controlling sub also is used for, and receives the speech data that described wireless communication module sends, and the virtual USB address of using the preceding described PC of initialization to distribute to virtual USB Mike sends to described usb interface module with described speech data;
Described usb interface module also is used for, and receives the speech data that the described second demonstration controlling sub uses USB Mike corresponding virtual USB address to send, and is transmitted to described PC.
Further, described usb interface module also is used for, and receives the video data of described PC transmission and is transmitted to the described second demonstration controlling sub;
The described second demonstration controlling sub also is used for, and receives the video data of described usb interface module transmission and is transmitted to described second wireless communication module;
Described second wireless communication module also is used for, and receives the video data that the described second demonstration controlling sub sends, and the video data that receives is transmitted to described portable terminal.
The embodiment of the invention provides portable terminal and the wireless Internet card in a kind of demo system and this demo system, on portable terminal be the control signal of peripheral hardwares such as corresponding mouse and keyboard and send by first wireless communication module of setting up with various instruction transformation, second wireless communication module that connects corresponding increase in the wireless Internet card of PC again by USB, the control signal that mobile terminal receive sends, and be transmitted to PC by USB, make the speaker when speech, can utilize radio communication to use portable terminal to come the Long-distance Control PC, and then the broadcast of control presentation file, when having made things convenient for the speaker to give a lecture presentation file is operated, also made full use of the resource of card of surfing Internet.
Description of drawings
The demo system structural representation that Fig. 1 provides for the embodiment of the invention;
The workflow diagram of the demo system that Fig. 2 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention is added wireless communication module in the USB wireless Internet card that the user uses always, carry out the short-distance transmission of data and control signal, utilize USB to support the function of many interfaces simultaneously, feasible wireless Internet access is stuck in when receiving different signals, and the different peripheral as PC is transferred to PC with the signal that receives respectively.Simultaneously, the embodiment of the invention uses portable terminal that the user uses always as remote control equipment, the broadcast of Long-distance Control presentation file.
Wireless communication module can be realized the functional module of short range wireless transmission for infrared, bluetooth etc., and the embodiment of the invention mainly communicates with applying Bluetooth and illustrates.
After USB device inserted USB interface, console controller and host software energy Auto-Sensing were to the access of equipment.Host software reads a series of data and is used to confirm apparatus characteristic then, as vendor ID (operator code), and product ID (produce number), working method, parameters such as power consumption.PC is distributed to independent address of peripheral hardware afterwards.The address is a dynamic assignment, and each time may be different.After distributing the address, equipment is carried out initialization, just can carry out IO after initialization is finished and operate equipment.The transmission process mode that PC is different according to the dissimilar employings of peripheral hardware, for example can adopt the interrupt mode transmission for peripheral hardwares such as keyboard and mouses, this mode is unidirectional and has only the mode of input for main frame, whether the interruption transmission mode is mainly used in regularly query facility has the data of interruption to transmit, mode is transmitted in the time of can adopting etc. for peripheral hardwares such as Mikes, PC discerns these data according to the address, source of data and comes from what equipment, thereby further operates.
When carrying out the document demonstration, at first the speaker needs the broadcast of Long-distance Control presentation file, for example page turning downwards, upwards page turning, end projection etc., can on portable terminal, increase corresponding these control function of corresponding button newly, also can use original button on the portable terminal, and make it under AD HOC, have the function that the control presentation file is play by setting.
As shown in Figure 1, the demo system that the embodiment of the invention provides comprises the PC 101 that is used to play presentation file, also comprises wireless Internet card 102 and portable terminal 103, wherein:
The user uses the remote control equipment of portable terminal as demo system, adopts the communication means of bluetooth, makes to show when the speaker gives a lecture on the dais, and broadcast that can the Long-distance Control presentation file is convenient to the user and is operated when speech.
Further, use for the convenience of the user, the peripheral hardwares such as button of minimizing required increase in portable terminal, portable terminal 103 also is used for, when under standby mode, receiving switching command, switch to demo mode, and the search bluetooth equipment, after connecting with wireless Internet card 102, send the signal that enters demo mode to wireless Internet card 102;
After switching to demo mode, portable terminal is opened the demonstration thread, the instruction such as push button that captures is at first by the demonstration thread process, for the convenience of the user, the switching that a button is used for standby mode and demo mode can be set, also demo mode can be selected by the user as a kind of special contextual model of portable terminal.
Wireless Internet card also is used for, and after receiving the signal that enters demo mode, restarts, and enters demo mode, and in PC needed virtual units such as initialization USB mouse, USB keyboard, USB Mike, USB display and USB storage.
If wireless Internet card is not distinguished online pattern and demo mode, then behind wireless Internet access card connection PC, wireless Internet access is stuck in initialization USB wireless Internet card in the PC, and required virtual unit such as initialization USB mouse, USB keyboard, USB Mike, USB display, USB storage.
After demonstration finished, portable terminal was closed demo mode according to user's instruction, entered the contextual model before switching.
Further, for create better speech condition to the speaker, make the speaker not be disturbed, incoming ring tone and vibration in the demo mode are closed condition, portable terminal 103 does not carry out any prompting when receiving incoming telephone signal like this, or further sends predefined voice signal courtesy and decline this incoming call, and the preservation incoming information, after withdrawing from speech mode, the speaker points out the speaker; Short message the tinkle of bells in the same demo mode also is a closed condition, and the user can open or close vibration prompt as required, and when receiving short message, portable terminal is provided with according to the user and does not point out or use vibration prompt.
Further, when realizing the control that presentation file is play, the portable terminal 103 in this system specifically is used for:
Capture the user and press the button triggering command that corresponding control presentation file is play button, according to the instruction of storage and the mapping table of control signal, the button triggering command is converted into the control signal of USB mouse or USB keyboard respective keys, and transmit control signal to wireless Internet card 102, and then realize Long-distance Control that presentation file is play by wireless communication module.
When the control that further realizes mouse is moved, portable terminal also is used for: the paratonic movement signal, and motor message is mapped as the movement instruction on mouse coordinates plane, movement instruction with the mouse coordinates plane is converted into the control signal that the USB mouse moves again, and sends to wireless Internet card 102 by the control signal that wireless communication module moves the USB mouse.
When further realizing the remote characters input, portable terminal also is used for:
The seizure user presses the literal input instruction of corresponding literal input button in the portable terminal keyboard, or the literal input instruction of user input content in the seizure touch-screen, and the literal input instruction is converted into USB keyboard or board control signal corresponding, and send USB keyboard or board control signal corresponding to wireless Internet card 102 by first wireless communication module.
Further, when realizing that portable terminal shows the function of presentation file synchronously, portable terminal also is used for: receive the video data that wireless Internet card 102 sends by wireless communication module, and carry out showing after the adaptive processing according to the screen size and the resolution of portable terminal.
When further realizing speaker's recording or amplifying, portable terminal also is used for:
Catch portable terminal voice signal on every side, and voice signal is carried out filtering, removes and make an uproar, amplify, encode, and the speech data after will encoding sends to wireless Internet card 102 by wireless communication module.
Behind the speech data that wireless Internet card 102 sends by wireless communication module mobile terminal receive 103, the USB interface of the USB Mike by corresponding speech data is transferred to PC 101, and then is preserved or play by 101 pairs of speech datas of PC.
Further, the embodiment of the invention also provides a kind of portable terminal, specifically be used to realize the radio-frequency module of communications of Mobile Terminals function in the portable terminal 103 except that comprising, also comprise memory module 1031, first wireless communication module 1032, first control module 1033 and various functional module, wherein:
First wireless communication module 1032, be used to receive control signal and the speech data that first control module 1033 sends, and control signal and the speech data that receives sent to wireless Internet card by bluetooth, receive the video data that wireless Internet card sends, and the video data that receives is sent to first control module 1033;
Functional module in the portable terminal has:
Transmit control module 1034, be used to capture the user and press corresponding page turning downwards, upwards page turning, during the button that finishes projection or begin to show, the first demonstration controlling sub to first control module 1033 sends the button triggering command, the button triggering command is converted into the control signal of USB mouse or keyboard respective keys by the first demonstration controlling sub, these buttons can distribute according to the button of user's use habit and portable terminal and be provided with, for example, for the portable terminal that side switch is arranged, the side switch that portable terminal can be set carries out the Play Control of presentation file, perhaps, the broadcast that buttons such as directionkeys are controlled presentation file is set according to user's custom;
Certainly, according to user's needs, portable terminal can have one of above functional module, several or whole, and the demonstration of first in first control module 1033 controlling sub is utilized the instruction of each functional module input of Interrupt Process.
Further, the embodiment of the invention also provides a kind of wireless Internet card 102, specifically comprises:
Second wireless communication module 1022, the speech data or the control signal that are used for first wireless communication module, 1032 transmissions of mobile terminal receive, and the second demonstration controlling sub in second control module 1023 is transmitted the control signal that receives, receive the video data that the second demonstration controlling sub sends, and send to first wireless communication module 1032 in the portable terminal;
The workflow of this demo system is described with an instantiation below, as shown in Figure 2:
Before step S201, user demonstrated, portable terminal switched to demo mode according to user's instruction from normal standby mode;
Can be with a kind of contextual model of demo mode as portable terminal, by selecting this contextual model of demo mode to enter this demo mode, a button also can be set realize switching between normal standby mode and the demo mode, after portable terminal is switched to demo mode, portable terminal is opened the demonstration thread, press or capture the situation of voice signal when button occurring, preferentially by the demonstration thread process.
After step S202, demonstration thread were opened, portable terminal carried out bluetooth discovery automatically, and after searching bluetooth equipment, whether the inquiry user connects;
Step S203, after the instruction of the bluetooth equipment that receives the connection wireless Internet card that the user sends, is connected with the wireless communication module of wireless Internet card, and enters the signal of demo mode to the wireless Internet card transmission;
After step S204, wireless Internet card receive the signal that enters demo mode, enter demo mode, and simultaneously to each USB device of PC initialization, comprise USB mouse, USB keyboard, USB screen, USB serial ports and USB storage etc., wireless Internet card can enter demo mode by restarting or partly restarting.
Step S205, when the user presses corresponding control button, speech, input characters or triggers sensor, portable terminal is opened the interruption of correspondence and is handled and control signal or speech data by generating after the bluetooth transmission processing, read in the memory module mapping table of instruction and control signal, this instruction is converted into the virtual unit control signal corresponding, perhaps carry out voice filtering, remove make an uproar, amplify, coding etc.;
For example the user supresses the button of corresponding page turning, first control module in the portable terminal receives the triggering command of respective keys, open respective interrupt, read in the memory module mapping table of instruction and control signal, this instruction is converted into the control signal that USB left mouse button is clicked, and sends to wireless Internet card by wireless communication module;
After step S206, wireless Internet card receive control signal or speech data, judge the type of control signal and determine this control signal type corresponding virtual equipment, use the virtual USB address of corresponding virtual equipment that control signal or voice signal are sent to PC;
After for example wireless Internet card receives the control signal of USB left mouse button click, the type of judging this control signal is the control signal of USB mouse, corresponding virtual equipment is the USB mouse, uses the virtual USB address of USB mouse that this control signal is sent to PC by USB interface;
Step S207, PC receive this control signal and carry out, and PC is equivalent to directly receive control signal corresponding from the USB peripheral hardware, thereby has realized the control to presentation file.
The embodiment of the invention provides a kind of demo system, by demo mode is set on portable terminal, with various instruction transformation is the control signal and first wireless communication module transmission by setting up of peripheral hardwares such as corresponding mouse and keyboard, corresponding increase by second wireless communication module in the wireless Internet card that connects PC by USB, the control signal that mobile terminal receive sends, and be transmitted to PC by USB, make the speaker when speech, can use portable terminal to come the Long-distance Control PC by Bluetooth communication, and then the broadcast of control presentation file, when having made things convenient for the speaker to give a lecture presentation file is operated.
Obviously, those skilled in the art can carry out various changes and modification to the embodiment of the invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (17)
1, a kind of demo system comprises the personal computer PC that is used to play presentation file, it is characterized in that, also comprises:
Wireless Internet card, connect described PC by USB interface, the wireless communication module that is used for by wherein receives control signal, judge the type of described control signal and determine described control signal type corresponding virtual equipment, the virtual USB address of using the preceding described PC of initialization to distribute to described virtual unit is transferred to described PC with described control signal by USB interface;
Portable terminal, connect described wireless Internet card by wireless communication module, be used for when carrying out the document demonstration, catch user's instruction, and described instruction is converted into described virtual unit control signal corresponding, and described control signal is sent to described wireless Internet card by wireless communication module according to the instruction and the mapping table of control signal.
2, the system as claimed in claim 1 is characterized in that, described wireless communication module applying Bluetooth is realized transmission.
3, system as claimed in claim 2, it is characterized in that, described portable terminal also is used for, when under standby mode, receiving switching command, switch to demo mode, and the search bluetooth equipment, after connecting with described wireless Internet card, send the signal that enters demo mode to described wireless Internet card;
Described wireless Internet card also is used for, and after receiving the signal that enters demo mode, enters demo mode, and by each virtual unit of PC initialization.
4, system as claimed in claim 3 is characterized in that, described portable terminal also is used for, and when receiving incoming call in demo mode, forbids incoming ring tone and/or vibration, sends predefined voice signal and declines described incoming call, and preserve incoming information; When receiving short message, forbid short message prompt sound or and/or vibration.
5, system as claimed in claim 2 is characterized in that, described portable terminal specifically is used for:
Capture the user and press the button triggering command that corresponding control presentation file is play button, according to the instruction of storage and the mapping table of control signal, described button triggering command is converted into the control signal of USB mouse or keyboard respective keys, and sends described control signal to described wireless Internet card by wireless communication module.
6, system as claimed in claim 5, it is characterized in that, described portable terminal also is used for: the paratonic movement signal, and described motor message is mapped as the movement instruction on mouse coordinates plane, movement instruction with described mouse coordinates plane is converted into the control signal that the USB mouse moves again, and by wireless communication module the control signal that described USB mouse moves is sent to described wireless Internet card.
7, system as claimed in claim 5 is characterized in that, described portable terminal also is used for:
The seizure user presses the literal input instruction of corresponding literal input button in the portable terminal keyboard, or the literal input instruction of user input content in the seizure touch-screen, and described literal input instruction is converted into USB keyboard or board control signal corresponding, and send described USB keyboard or board control signal corresponding to described wireless Internet card by described wireless communication module.
8, system as claimed in claim 5 is characterized in that, described portable terminal also is used for, and receives the video data that described wireless Internet card sends by wireless communication module, and carries out showing after the adaptive processing according to the screen size and the resolution of portable terminal;
Described wireless Internet card also is used for, and the virtual USB address by corresponding USB display receives video data, and by wireless communication module described video data is sent to described portable terminal.
9, system as claimed in claim 5 is characterized in that, described portable terminal also is used for:
Catch portable terminal voice signal on every side, and described voice signal is carried out filtering, removes and make an uproar, amplify, encode, and the speech data behind the described coding is sent to described wireless Internet card by wireless communication module;
Described wireless Internet card also is used for, and by wireless communication module reception speech data wherein, and uses USB Mike corresponding virtual USB address that described speech data is transferred to described PC by USB interface.
10, a kind of portable terminal, comprise the Control on Communication submodule and the radio-frequency module that are used to realize the communication of mobile terminal function, described radio-frequency module connects the Control on Communication controlling sub, and described Control on Communication submodule is arranged in first control module, it is characterized in that, also comprise:
Memory module is used to store the mapping table of described instruction and control signal;
First wireless communication module is used to receive described control signal, and described control signal is sent to described wireless Internet card;
Transmit control module when being used to capture the user and pressing the button that the control presentation file plays, sends the button triggering command;
The first demonstration controlling sub, be arranged in described first control module, be used to receive the button triggering command that described transmit control module sends, according to the instruction of storage and the mapping table of control signal, described button triggering command is converted into the control signal of USB mouse or keyboard respective keys, and sends described control signal to described first wireless communication module.
11, portable terminal as claimed in claim 10 is characterized in that, also comprises:
Sensor assembly is used for the paratonic movement signal, and sends described motor message;
The signal conversion module is used to receive the motor message that described sensor assembly sends, and described motor message is mapped as the movement instruction on mouse coordinates plane, and the movement instruction on described mouse coordinates plane is sent to the described first demonstration controlling sub;
The described first demonstration controlling sub also is used for, behind the movement instruction that receives described mouse coordinates plane, mapping table according to described instruction and control signal, the movement instruction on described mouse coordinates plane is converted into the control signal that the USB mouse moves, and sends the control signal that described USB mouse moves to described first wireless communication module.
12, portable terminal as claimed in claim 10 is characterized in that, also comprises:
The literal load module is used for catching the button that the user presses the corresponding literal input of portable terminal keyboard, or catches the content of user's input in the touch-screen, and described literal input instruction is sent to the described first demonstration controlling sub;
The described first demonstration controlling sub also is used for, after receiving described literal input instruction, described literal input instruction is converted into USB keyboard or board control signal corresponding, and sends described USB keyboard or board control signal corresponding to described first wireless communication module.
13, portable terminal as claimed in claim 10 is characterized in that, described first wireless communication module also is used for, and receives the video data that described wireless Internet card sends, and sends to the described first demonstration controlling sub;
The described first demonstration controlling sub also is used for, receive the video data that described first wireless communication module sends, screen size and resolution according to portable terminal carry out sending to the display module demonstration after the adaptive processing, described display module connects the described first demonstration controlling sub, is used to show described presentation file.
14, portable terminal as claimed in claim 10 is characterized in that, also comprises:
The sound load module is used to catch portable terminal voice signal on every side, and described voice signal is sent to the described first demonstration controlling sub;
The described first demonstration controlling sub also is used for, and receives the voice signal that described sound load module sends, and described voice signal is carried out filtering, removes and make an uproar, amplify, encode, and the speech data behind the described coding is sent to first wireless communication module;
Described first wireless communication module also is used for, and receives the speech data that the described first demonstration controlling sub sends, and is transmitted to described wireless Internet card.
15, a kind of wireless Internet card, comprise the wireless Internet access controlling sub and the radio-frequency module that are used to realize wireless networking capabilities, described wireless Internet access controlling sub is arranged in second control module, and described radio-frequency module connects described wireless Internet access controlling sub, it is characterized in that, also comprise:
Second wireless communication module is used to receive the control signal that described portable terminal sends, and transmits described control signal;
The second demonstration controlling sub, be arranged in described second control module, be used to receive the control signal that described second wireless communication module sends, and judge the type of described control signal and determine described control signal type corresponding virtual equipment that the virtual USB address of using the preceding described PC of initialization to distribute to described virtual unit sends to described usb interface module with described control signal;
Usb interface module is used to receive the control signal that the described second demonstration controlling sub uses described virtual USB address to send, and is transmitted to described PC.
16, wireless Internet card as claimed in claim 15 is characterized in that, described second wireless communication module also is used for, and receives the speech data that described portable terminal sends, and transmits described speech data;
The described second demonstration controlling sub also is used for, and receives the speech data that described second wireless communication module sends, and the virtual USB address of using the preceding described PC of initialization to distribute to virtual USB Mike sends to described usb interface module with described speech data;
Described usb interface module also is used for, and receives the speech data that the described second demonstration controlling sub uses the virtual USB address to send, and is transmitted to described PC.
17, wireless Internet card as claimed in claim 15 is characterized in that, described usb interface module also is used for, and receives the video data of described PC transmission and is transmitted to the described second demonstration controlling sub;
The described second demonstration controlling sub also is used for, and receives the video data of described usb interface module transmission and is transmitted to described second wireless communication module;
Described second wireless communication module also is used for, and receives the video data that the described second demonstration controlling sub sends, and the video data that receives is transmitted to described portable terminal.
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| CN200910160677.0A CN101599224B (en) | 2009-07-29 | 2009-07-29 | Demonstration system, mobile terminal and wireless internet access card |
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| CN200910160677.0A CN101599224B (en) | 2009-07-29 | 2009-07-29 | Demonstration system, mobile terminal and wireless internet access card |
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| CN101599224B CN101599224B (en) | 2014-01-15 |
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