CN103500046A - Audio-visual education system and instant projection display method thereof - Google Patents
Audio-visual education system and instant projection display method thereof Download PDFInfo
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Abstract
The invention discloses an audio-visual education system and an instant projection display method of the system. The audio-visual education system is provided with an electromagnetic handwriting pen, an interactive tablet computer, a wireless transponder and a projector, wherein the interactive tablet computer is provided with an electromagnetic induction touch screen, a receiving system, a processing system and a wireless synchronous transmitting device, the electromagnetic handwriting pen is matched with the electromagnetic induction touch screen, a writing signal of the electromagnetic handwriting pen is received through the receiving system, the receiving system inputs the received signal into the processing system, the processing system obtains writing image information corresponding to the writing signal after processing the input signal and sends the writing image information out through the wireless synchronous transmitting device, and the wireless transponder receives the signal transmitted by the wireless synchronous transmitting device and displays the received signal through the projector. According to the audio-visual education system and the instant projection display method of the system, writing can be performed on the tablet computer, the written content can be displayed instantly with the projector, and the audio-visual education system has the advantages of being simple in structure, good in performance, easy to maintain and low in cost.
Description
Technical field
The present invention relates to the Teaching Technology of Multimedia field, particularly a kind of projection in time display packing that the Education Literature System of writing demonstration can be carried out immediately and realize written contents on interactive panel computer.
Background technology
Along with social development, the multimedia lecture system is generally used in teaching.In prior art, the multimedia lecture system is varied, usually is equipped with a computer, and this computer expert crosses video output cable and is connected with projector, by projector, the courseware content of computer the inside is shown.The multimedia lecture system of this form, must make the courseware that needs demonstration by beaing keyboard during typing in advance, its shown content is also the courseware of getting ready in advance, and in the time of at school, the very difficult also projection plate of being write as required of teacher is drilled, and is not easy to the teacher and carries out the classroom lecture.
Investigation is found, by picture, is the multimedia teaching, the effect that classroom teaching effect is drilled when field plate well below teacher.Therefore, in Multimedia Teaching, the teacher usually can carry out plate to part and parcel according to lecture contents and drill enhance teaching.In this case, usually needing to coordinate black and white to write carries out.
The appearance of electronic whiteboard, improved above-mentioned defect to a certain extent.The electronic whiteboard lecture system, generally include an electronic whiteboard, a lettering pen, a receiver, a computer and a projector, by lettering pen, on electronic whiteboard, write, the content of writing receives by receiver, and the signal that receiver receives inputs to computer and treatedly converts corresponding picture to and carry out Projection Display by projector again.By the electronic whiteboard authoring system, the teacher can carry out writing demonstration at electronic whiteboard by special-purpose lettering pen, has truly realized interactive teaching.
But, electronic whiteboard lecture system of the prior art shows from writing to, at least will be through five links: lettering pen transmits and produces signal, sensor by the touch screen induction touch action and receive signal calculating location coordinate, receiver and send coordinate information, computer and receive coordinate information, processing unit generate corresponding display interface, display interface in system content according to coordinate information and show by projector.Due to electric whiteboard system more complicated in prior art, therefore, there are the shortcomings such as failure rate is high, the system maintenance difficulty is large, system upgrade is difficult, system development costs is high.
Therefore, for the prior art deficiency, a kind of Education Literature System is provided and realizes that on panel computer, written contents projection in time display packing is very necessary to overcome the prior art weak point.
Summary of the invention
One of purpose of the present invention is to provide a kind of Education Literature System, can on panel computer, be write and written contents is shown by the projector projection in time by this Education Literature System, have form simple, functional, safeguard characteristics simple, with low cost.
Above-mentioned purpose of the present invention realizes by following technological means.
A kind of Education Literature System, be provided with electromagnetic hand-writing pen, interactive panel computer, wireless repeater and projector;
Described interactive panel computer is provided with electromagnetic induction touch-screen, receiving system, disposal system and wireless synchronization transmitting device;
The input end of described receiving system receives the signal of described electromagnetic induction touch-screen, the output terminal of described receiving system is connected with the input end of described disposal system, the output terminal of described disposal system is connected with described wireless synchronization transmitting device, described wireless synchronization transmitting device and described wireless repeater are by the communication of wireless signal mode, and described wireless repeater is connected with described projector;
Described electromagnetic hand-writing pen matches with described electromagnetic induction touch-screen, the signal of writing of described electromagnetic hand-writing pen receives by described receiving system, described receiving system inputs to described disposal system by received signal, and described disposal system obtains after inputted signal is processed and writes corresponding the writing pictorial information and also will write pictorial information and send by the wireless synchronization transmitting device of signal;
Described wireless repeater receives the signal of described wireless synchronization transmitting device transmission and received signal is carried out to Projection Display by projector.
Above-mentioned interactive panel computer is equipped with Android 4.2 or the system of Android more than 4.2.
Above-mentioned receiving system is provided with receiving element and Logical processing unit;
The input end of described receiving element is connected with described electromagnetic touch screen, and the output terminal of described receiving element is connected with the input end of described Logical processing unit, and the output terminal of described Logical processing unit is connected with the input end of described disposal system;
When electromagnetic hand-writing pen described electromagnetic hand-writing pen when described electromagnetic induction touch-screen slides disturbs the electromagnetic field signal generation of described electromagnetic induction touch-screen, described receiving element receives the variable signal of electromagnetic field and received signal is inputed to described Logical processing unit, and coordinate information and described Logical processing unit that described Logical processing unit is scaled contact point by received electromagnetic field variable signal are exported hardware interrupt to described disposal system.
Above-mentioned disposal system is provided with control module, electromagnetic drive unit, converting unit and works as pretreatment unit, described control module be provided with input end and respectively with described electromagnetic drive unit, converting unit, standard processing unit, when pretreatment unit and the two-way signal controlling end connected of wireless synchronization transmitting device;
The first output terminal of described Logical processing unit is connected with the input end of described control module, the second output terminal of described Logical processing unit is connected with the input end of described electromagnetic drive unit, the output terminal of described electromagnetic drive unit is connected with the input end that described standard input interrupts processing unit, the output terminal that described standard input interrupts processing unit is connected with the described input end when pretreatment unit, and the described output terminal when pretreatment unit is connected with the input end of described wireless synchronization transmitting device;
Described Logical processing unit the first output terminal with the input end of described control module, be connected, described Logical processing unit output hardware interrupt is to the input end of described control module, described control module outputs control signals to described electromagnetic drive unit, described electromagnetic drive unit is communicated by letter with the second output terminal of described Logical processing unit, obtain the coordinate information of described electromagnetic hand-writing pen and the coordinate information of described electromagnetic hand-writing pen is converted to standard input information, described electromagnetic drive unit is exported soft interrupt request singal to described control module;
Described control module outputs control signals to described standard processing unit, described standard processing unit is inserted standard input information in the standard information queue of disposal system, and driving current active unit, described current active unit according to standard input message queue obtain input message, and be converted to the demonstration object;
Described control module output control information makes the wireless synchronization transmitting device in advance demonstration information be converted to the packet of wireless transmission prescribed form, and the packet of acquisition is emitted to described wireless repeater by the wireless synchronization transmitting device.
Above-mentioned wireless synchronization transmitting device is sent to described wireless repeater by wifi by signal.
Above-mentioned wireless synchronization transmitting device is the source that meets the Miracast agreement.
Above-mentioned wireless repeater is the receiving end that meets the Miracast agreement.
Above-mentioned projector is provided with the VGA/HDMI interface, and described wireless repeater is inserted in described VGA/HDMI interface; Wireless repeater is converted to the packet received the information of video format, re-sends to the VGA/HDMI interface of described projector, and described projector transmits the video information received on the VGA/HDMI interface to carry out Projection Display.
Another object of the present invention is to provide a kind of written contents projection in time display packing on panel computer that realizes, can on panel computer, be write and written contents is shown by the projector projection in time, being there are simple, functional, easy maintenance, characteristics with low cost.
A kind ofly realize written contents projection in time display packing on panel computer, adopt Education Literature System as above to carry out, described electromagnetic hand-writing pen slides at the electromagnetic induction touch-screen of described interactive panel computer, the signal of writing of described electromagnetic hand-writing pen receives by described receiving system, described receiving system inputs to described disposal system by received signal, and described disposal system obtains after inputted signal is processed and writes corresponding the writing pictorial information and also will write pictorial information and send by the wireless synchronization transmitting device of signal;
Described wireless repeater receives the signal of described wireless synchronization transmitting device transmission and carries out Projection Display by received signal and by projector.
Preferably, specifically comprise the steps,
S01. electromagnetic hand-writing pen slides at the electromagnetic induction touch-screen, and described electromagnetic hand-writing pen produces interference to the electromagnetic field signal of described electromagnetic induction touch-screen;
S02. receiving element receives the variable signal of electromagnetic field and received signal is inputed to Logical processing unit;
S03. described Logical processing unit is scaled received electromagnetic field variable signal the coordinate information of contact point;
S04. described Logical processing unit output hardware interrupt is to the control module of disposal system;
S05. described control module receives the hardware terminal signal, and described control module outputs control signals to electromagnetic drive unit;
S06. described electromagnetic drive unit is communicated by letter with described Logical processing unit, obtain the coordinate information of described electromagnetic hand-writing pen and the coordinate information of described electromagnetic hand-writing pen is converted to standard input information, described electromagnetic drive unit is exported soft interrupt request singal to described control module;
S07. described control module outputs control signals to described standard processing unit, and described standard processing unit is inserted standard input information in the standard information queue of disposal system, drives the current active unit;
S08. described current active unit according to standard input message queue obtain input message, and be converted to the demonstration object, obtain the pictorial information corresponding with the content of writing on described panel computer;
S09. described control module is controlled output control information control wireless synchronization transmitting device and demonstration information is converted to the packet of wireless transmission prescribed form, and control described wireless synchronization transmitting device and transmit, the packet of acquisition is emitted to described wireless repeater by the wireless synchronization transmitting device;
S10. described wireless repeater is converted to the packet received the information of video format, re-sends to the VGA/HDMI interface of described projector, and described projector transmits the video information received on the VGA/HDMI interface to carry out Projection Display.
Education Literature System of the present invention and projection in time display packing thereof, Education Literature System is provided with electromagnetic hand-writing pen, interactive panel computer, wireless repeater and projector; Described interactive panel computer is provided with electromagnetic induction touch-screen, receiving system, disposal system and wireless synchronization transmitting device; Described electromagnetic hand-writing pen matches with described electromagnetic induction touch-screen, the signal of writing of described electromagnetic hand-writing pen receives by described receiving system, described receiving system inputs to described disposal system by received signal, and described disposal system obtains after inputted signal is processed and writes corresponding the writing pictorial information and also will write pictorial information and send by the wireless synchronization transmitting device of signal; Described wireless repeater receives the signal of described wireless synchronization transmitting device transmission and received signal is carried out to Projection Display by projector.Can realize being write on panel computer and written contents is shown by the projector projection in time, have form simple, functional, safeguard characteristics simple, with low cost.
The accompanying drawing explanation
The invention will be further described by reference to the accompanying drawings, but the content in accompanying drawing is not construed as limiting the invention.
Fig. 1 is the structural representation of Education Literature System of the present invention.
Fig. 2 is another structural representation of Education Literature System of the present invention.
In Fig. 1, Fig. 2, comprising:
Electromagnetic hand-writing pen 100,
Embodiment
The invention will be further described with the following Examples.
embodiment 1.
A kind of Education Literature System, as shown in Figure 1 and Figure 2, be provided with electromagnetic hand-writing pen 100, interactive panel computer 200, wireless repeater 300 and projector 400.
The input end of receiving system receives the signal of electromagnetic induction touch-screen, the output terminal of receiving system is connected with the input end of disposal system, the output terminal of disposal system is connected with the wireless synchronization transmitting device, wireless synchronization transmitting device and wireless repeater are by the communication of wireless signal mode, and wireless repeater is connected with described projector.
Electromagnetic hand-writing pen 100 matches with the electromagnetic induction touch-screen, the signal of writing of electromagnetic hand-writing pen 100 receives by receiving system, receiving system inputs to disposal system by received signal, and disposal system obtains after inputted signal is processed and writes corresponding the writing pictorial information and also will write pictorial information and send by the wireless synchronization transmitting device of signal.
Concrete, interactive panel computer 200 is equipped with Android 4.2 or the system of Android more than 4.2.Adopt interactive panel computer 200, due to Android 4.2 or the system of Android more than 4.2 being installed, can directly utilize its system to realize corresponding function.
This interaction panel computer 200 adopts electromagnetic induction touch-screen, receiving system, disposal system and wireless synchronization transmitting device is built in interactive panel computer 200, has small and exquisite, the easy to use characteristics of volume.In addition, adopt interactive panel computer 200, can either realize coordinating with miscellaneous part the function that realizes that the written contents projection in time shows, there are again characteristics with low cost.At present the price of interactive panel computer 200 is 500 yuan of left and right on the market, and the price that adopts desktop computer or notebook computer with Education Literature System of the prior art, all more than 3000 yuan, therefore adopts interactive panel computer 200 greatly to reduce costs.
Concrete, receiving system is provided with receiving element and Logical processing unit, the input end of receiving element is connected with the electromagnetic touch screen, and the output terminal of receiving element is connected with the input end of Logical processing unit, and the output terminal of Logical processing unit is connected with the input end of disposal system.
When the electromagnetic field signal generation of electromagnetic hand-writing pen 100 100 pairs of electromagnetic induction touch-screens of electromagnetic hand-writing pen when the electromagnetic induction touch-screen slides is disturbed, receiving element receives the variable signal of electromagnetic field and received signal is inputed to Logical processing unit, and coordinate information and Logical processing unit that Logical processing unit is scaled contact point by received electromagnetic field variable signal are exported hardware interrupt to disposal system.
Adopt the electromagnetic induction touch-screen as input media, can carry out writing of tiny stroke, carry out simple engross while not only being applicable to class demonstration, while also being suitable for carrying out more content, with thin stroke, write, not only can write common Chinese character, and can write the symbol of various complexity, written contents instant playback simultaneously out, the process that the student is write on blackboard as the experience teacher, improve the classroom learning effect.Compared to existing technology, the characteristics that some multimedia teaching can only pictorial be showed, Education Literature System of the present invention can vividly demonstrate and write, the results of learning of giving lessons in the raising classroom.
Can only write with keyboard the mode of key entry when middle multimedia courseware is prepared compared to existing technology, particularly to complicated formula, must use the characteristics of equation editing device, the present invention adopts electromagnetic hand-writing pen 100 to coordinate the technology of electromagnetic induction touch-screen, can write arbitrarily the formula of various complexity, use very easy.
Disposal system is provided with control module, electromagnetic drive unit, converting unit and works as pretreatment unit, control module be provided with input end with respectively with electromagnetic drive unit, converting unit, standard processing unit, the signal controlling end that is connected when pretreatment unit and wireless synchronization transmitting device.The signal that the input end of control module is carried for receiving the electromagnetic induction touch-screen, the signal controlling end carries out the control signal conveying for control module and corresponding electromagnetic drive unit, converting unit, standard processing unit, when pretreatment unit and wireless synchronization transmitting device.
The first output terminal of Logical processing unit is connected with the input end of control module, the second output terminal of Logical processing unit is connected with the input end of electromagnetic drive unit, the output terminal of electromagnetic drive unit is connected with the input end that standard input interrupts processing unit, the output terminal that standard input interrupts processing unit is connected with the input end of working as pretreatment unit, when the output terminal of pretreatment unit is connected with the input end of wireless synchronization transmitting device.
Concrete, the first output terminal of Logical processing unit is connected with the input end of control module, Logical processing unit output hardware interrupt is to the input end of control module, control module outputs control signals to electromagnetic drive unit, electromagnetic drive unit is communicated by letter with the second output terminal of Logical processing unit, obtain the coordinate information of electromagnetic hand-writing pen 100 and the coordinate information of electromagnetic hand-writing pen 100 is converted to standard input information, electromagnetic drive unit is exported soft interrupt request singal to control module.
Control module outputs control signals to the standard processing unit, the standard processing unit is inserted standard input information in the standard information queue of disposal system, and drive the current active unit, the current active unit according to standard input message queue obtain input message, and be converted to the demonstration object.
Control module output control information makes the wireless synchronization transmitting device in advance demonstration information be converted to the packet of wireless transmission prescribed form, and the packet of acquisition is emitted to wireless repeater 300 by the wireless synchronization transmitting device.
The wireless synchronization transmitting device is sent to wireless repeater 300 by wifi by signal.The wireless synchronization transmitting device can be the source that meets the Miracast agreement, and wireless repeater 300 corresponds to the receiving end that meets the Miracast agreement.
Concrete, projector is provided with the VGA/HDMI interface, and wireless repeater is inserted in the VGA/HDMI interface.Wireless repeater 300 is converted to the packet received the information of video format, re-sends to the VGA/HDMI interface of projector 400, and projector 400 transmits the video information received on the VGA/HDMI interface to carry out Projection Display.
Adopt Education Literature System of the present invention, at interactive panel computer 200, submit a written statement to a higher authority and write by projector 400 instant playbacks, specifically adopt following steps to carry out:
S01. electromagnetic hand-writing pen 100 slides at the electromagnetic induction touch-screen, and the electromagnetic field signal of 100 pairs of described electromagnetic induction touch-screens of described electromagnetic hand-writing pen produces and disturbs;
S02. receiving element receives the variable signal of electromagnetic field and received signal is inputed to Logical processing unit;
S03. described Logical processing unit is scaled received electromagnetic field variable signal the coordinate information of contact point;
S04. described Logical processing unit output hardware interrupt is to the control module of disposal system;
S05. described control module receives the hardware terminal signal, and described control module outputs control signals to electromagnetic drive unit;
S06. described electromagnetic drive unit is communicated by letter with described Logical processing unit, obtain the coordinate information of described electromagnetic hand-writing pen 100 and the coordinate information of described electromagnetic hand-writing pen 100 is converted to standard input information, described electromagnetic drive unit is exported soft interrupt request singal to described control module;
S07. described control module outputs control signals to described standard processing unit, and described standard processing unit is inserted standard input information in the standard information queue of disposal system, drives the current active unit;
S08. described current active unit according to standard input message queue obtain input message, and be converted to the demonstration object, obtain the pictorial information corresponding with the content of writing on described panel computer;
S09. described control module is controlled output control information control wireless synchronization transmitting device and demonstration information is converted to the packet of wireless transmission prescribed form, and control described wireless synchronization transmitting device and transmit, the packet of acquisition is emitted to described wireless repeater 300 by the wireless synchronization transmitting device;
S10. described wireless repeater 300 is converted to the packet received the information of video format, re-send to the VGA/HDMI interface of described projector 400, described projector 400 transmits the video information received on the VGA/HDMI interface to carry out Projection Display.
Education Literature System of the present invention, by using interactive panel computer 200, wireless repeater 300, coordinate projector 400, can realize carrying out instant playback at interactive panel computer 200 written contents by projector 400 by electromagnetic hand-writing pen 100.Only need one to have Android flat board and a Miracast transponder of electromagnetic screen to get final product, there is no more system communication link, do not need complicated disposal system, this Education Literature System is simple in structure, and system stability is good, and maintenance cost is low.
Education Literature System of the present invention, the electromagnetic hand-writing pen 100 that employing is built in interactive panel computer 200 coordinates the electromagnetic induction touch-screen to carry out, blank Technology Need compared to existing technology additionally arranges infrared system and Bluetooth technology, and Education Literature System of the present invention is simple in structure, easy to operate.
Adopt Education Literature System of the present invention, the teacher can be seated and be write on panel computer, and the content of writing can be carried out Projection Display by projector, therefore can alleviate teacher's fatigue.
Owing to adopting interactive panel computer 200, the interactive panel computer 200 of Android 4.2 or Android 4.2 above systems particularly is housed, himself carries corresponding software, therefore can avoid in prior art using the windows system to comprise that the application software such as word wherein commonly used, ppt, excel, adobeReader need extra reception system software expense defect.Adopt interactive panel computer 200, the price of interactive panel computer 200 has comprised the expense of corresponding software, therefore the user does not need additional payment, can greatly reduce the cost of this Education Literature System.
In addition, Education Literature System of the present invention use also different from prior art with the upgrading mode.The computer of existing system is to be fixedly placed in the inside, classroom or meeting room the inside, during upgrading, need to have specially the people, with the computer that contains ROMPaq, upgrading is installed; And interactive panel computer 200 of the present invention can each teacher of dispensing as carry-on teaching equipment, the place that can use at any wifi of having, system can auto-update.Therefore, use and upgrade all very convenient.
In sum, Education Literature System of the present invention has the advantages that mechanism is simple, reliability is high, cheap, easy to use.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although with reference to preferred embodiment, the present invention is explained in detail; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not break away from essence and the scope of technical solution of the present invention.
Claims (10)
1. an Education Literature System, is characterized in that: be provided with electromagnetic hand-writing pen, interactive panel computer, wireless repeater and projector;
Described interactive panel computer is provided with electromagnetic induction touch-screen, receiving system, disposal system and wireless synchronization transmitting device;
The input end of described receiving system receives the signal of described electromagnetic induction touch-screen, the output terminal of described receiving system is connected with the input end of described disposal system, the output terminal of described disposal system is connected with described wireless synchronization transmitting device, described wireless synchronization transmitting device and described wireless repeater are by the communication of wireless signal mode, and described wireless repeater is connected with described projector;
Described electromagnetic hand-writing pen matches with described electromagnetic induction touch-screen, the signal of writing of described electromagnetic hand-writing pen receives by described receiving system, described receiving system inputs to described disposal system by received signal, and described disposal system obtains after inputted signal is processed and writes corresponding the writing pictorial information and also will write pictorial information and send by the wireless synchronization transmitting device of signal;
Described wireless repeater receives the signal of described wireless synchronization transmitting device transmission and received signal is carried out to Projection Display by projector.
2. Education Literature System according to claim 1, it is characterized in that: described interactive panel computer is equipped with Android 4.2 or the system of Android more than 4.2.
3. Education Literature System according to claim 1 and 2, it is characterized in that: described receiving system is provided with receiving element and Logical processing unit;
The input end of described receiving element is connected with described electromagnetic touch screen, and the output terminal of described receiving element is connected with the input end of described Logical processing unit, and the output terminal of described Logical processing unit is connected with the input end of described disposal system;
When electromagnetic hand-writing pen described electromagnetic hand-writing pen when described electromagnetic induction touch-screen slides disturbs the electromagnetic field signal generation of described electromagnetic induction touch-screen, described receiving element receives the variable signal of electromagnetic field and received signal is inputed to described Logical processing unit, and coordinate information and described Logical processing unit that described Logical processing unit is scaled contact point by received electromagnetic field variable signal are exported hardware interrupt to described disposal system.
4. Education Literature System according to claim 3, it is characterized in that: described disposal system is provided with control module, electromagnetic drive unit, converting unit and works as pretreatment unit, described control module be provided with input end and respectively with described electromagnetic drive unit, converting unit, standard processing unit, when pretreatment unit and the two-way signal controlling end connected of wireless synchronization transmitting device;
The first output terminal of described Logical processing unit is connected with the input end of described control module, the second output terminal of described Logical processing unit is connected with the input end of described electromagnetic drive unit, the output terminal of described electromagnetic drive unit is connected with the input end that described standard input interrupts processing unit, the output terminal that described standard input interrupts processing unit is connected with the described input end when pretreatment unit, and the described output terminal when pretreatment unit is connected with the input end of described wireless synchronization transmitting device;
Described Logical processing unit the first output terminal with the input end of described control module, be connected, described Logical processing unit output hardware interrupt is to the input end of described control module, described control module outputs control signals to described electromagnetic drive unit, described electromagnetic drive unit is communicated by letter with the second output terminal of described Logical processing unit, obtain the coordinate information of described electromagnetic hand-writing pen and the coordinate information of described electromagnetic hand-writing pen is converted to standard input information, described electromagnetic drive unit is exported soft interrupt request singal to described control module;
Described control module outputs control signals to described standard processing unit, described standard processing unit is inserted standard input information in the standard information queue of disposal system, and driving current active unit, described current active unit according to standard input message queue obtain input message, and be converted to the demonstration object;
Described control module output control information makes the wireless synchronization transmitting device in advance demonstration information be converted to the packet of wireless transmission prescribed form, and the packet of acquisition is emitted to described wireless repeater by the wireless synchronization transmitting device.
5. Education Literature System according to claim 4, it is characterized in that: described wireless synchronization transmitting device is sent to described wireless repeater by wifi by signal.
6. Education Literature System according to claim 5, it is characterized in that: described wireless synchronization transmitting device is the source that meets the Miracast agreement.
7. Education Literature System according to claim 6, it is characterized in that: described wireless repeater is the receiving end that meets the Miracast agreement.
8. Education Literature System according to claim 7, it is characterized in that: described projector is provided with the VGA/HDMI interface, and described wireless repeater is inserted in described VGA/HDMI interface;
Described wireless repeater is converted to the packet received the information of video format, re-sends to the VGA/HDMI interface of described projector, and described projector transmits the video information received on the VGA/HDMI interface to carry out Projection Display.
9. realize written contents projection in time display packing on panel computer for one kind, it is characterized in that: adopt Education Literature System as described as claim 1 to 8 any one to carry out,
Electromagnetic hand-writing pen slides at the electromagnetic induction touch-screen of interactive panel computer, the signal of writing of electromagnetic hand-writing pen receives by receiving system, receiving system inputs to disposal system by received signal, and disposal system obtains after inputted signal is processed and writes corresponding the writing pictorial information and also will write pictorial information and send by the wireless synchronization transmitting device of signal;
Wireless repeater receives the signal of wireless synchronization transmitting device transmission and carries out Projection Display by received signal and by projector.
10. according to claim 9ly realize written contents projection in time display packing on panel computer, it is characterized in that: specifically comprise the steps,
S01. electromagnetic hand-writing pen slides at the electromagnetic induction touch-screen, and described electromagnetic hand-writing pen produces interference to the electromagnetic field signal of described electromagnetic induction touch-screen;
S02. receiving element receives the variable signal of electromagnetic field and received signal is inputed to Logical processing unit;
S03. described Logical processing unit is scaled received electromagnetic field variable signal the coordinate information of contact point;
S04. described Logical processing unit output hardware interrupt is to the control module of disposal system;
S05. described control module receives the hardware terminal signal, and described control module outputs control signals to electromagnetic drive unit;
S06. described electromagnetic drive unit is communicated by letter with described Logical processing unit, obtain the coordinate information of described electromagnetic hand-writing pen and the coordinate information of described electromagnetic hand-writing pen is converted to standard input information, described electromagnetic drive unit is exported soft interrupt request singal to described control module;
S07. described control module outputs control signals to described standard processing unit, and described standard processing unit is inserted standard input information in the standard information queue of disposal system, drives the current active unit;
S08. described current active unit according to standard input message queue obtain input message, and be converted to the demonstration object, obtain the pictorial information corresponding with the content of writing on described panel computer;
S09. described control module is controlled output control information control wireless synchronization transmitting device and demonstration information is converted to the packet of wireless transmission prescribed form, and control described wireless synchronization transmitting device and transmit, the packet of acquisition is emitted to described wireless repeater by the wireless synchronization transmitting device;
S10. described wireless repeater is converted to the packet received the information of video format, re-sends to the VGA/HDMI interface of described projector, and described projector transmits the video information received on the VGA/HDMI interface to carry out Projection Display.
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| CN104158900A (en) * | 2014-08-25 | 2014-11-19 | 焦点科技股份有限公司 | Method and system for synchronizing courseware through iPad controlling |
| WO2018024238A1 (en) * | 2016-08-04 | 2018-02-08 | 精模电子科技（深圳）有限公司 | Projection tablet computer |
| CN108646951A (en) * | 2018-07-19 | 2018-10-12 | 苏州腾邦科技有限公司 | It can write and project simultaneously the electronic whiteboard of storage |
| CN108732850A (en) * | 2017-04-25 | 2018-11-02 | 张家港康得新光电材料有限公司 | Project board system |
| CN109874129A (en) * | 2019-03-31 | 2019-06-11 | 联想(北京)有限公司 | A kind of data processing method and electronic equipment |
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| CN103927909A (en) * | 2014-04-29 | 2014-07-16 | 南京数模微电子有限公司 | Interactive teaching system and method of touch type mobile terminal |
| CN104158900A (en) * | 2014-08-25 | 2014-11-19 | 焦点科技股份有限公司 | Method and system for synchronizing courseware through iPad controlling |
| CN104158900B (en) * | 2014-08-25 | 2015-06-10 | 焦点科技股份有限公司 | Method and system for synchronizing courseware through iPad controlling |
| WO2018024238A1 (en) * | 2016-08-04 | 2018-02-08 | 精模电子科技（深圳）有限公司 | Projection tablet computer |
| CN108732850A (en) * | 2017-04-25 | 2018-11-02 | 张家港康得新光电材料有限公司 | Project board system |
| CN108646951A (en) * | 2018-07-19 | 2018-10-12 | 苏州腾邦科技有限公司 | It can write and project simultaneously the electronic whiteboard of storage |
| CN109874129A (en) * | 2019-03-31 | 2019-06-11 | 联想(北京)有限公司 | A kind of data processing method and electronic equipment |
| CN109874129B (en) * | 2019-03-31 | 2021-11-16 | 联想(北京)有限公司 | Data processing method and electronic equipment |
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Application publication date: 20140108 |