CN103412458A - System and method for projection based on NFC - Google Patents
System and method for projection based on NFC Download PDFInfo
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- CN103412458A CN103412458A CN2013103864862A CN201310386486A CN103412458A CN 103412458 A CN103412458 A CN 103412458A CN 2013103864862 A CN2013103864862 A CN 2013103864862A CN 201310386486 A CN201310386486 A CN 201310386486A CN 103412458 A CN103412458 A CN 103412458A
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Abstract
The invention relates to a system and method for projection based on NFC. Cable arrangement is not required and projection material is obtained through the near field communication technology and played and controlled through the wireless communication technology, so that the reliability of projection is greatly improved. When a lecture is given, the lecture is not limited by the control distance and great convenience is brought for a user.
Description
Technical field
The present invention relates to NFC(Near Field Communication) field, relate in particular to a kind of optical projection system based on NFC and method.
Background technology
NFC is near field communication (NFC), is a kind of short-range wireless communication technology based on the 13.56MHz frequency, allows to carry out contactless Point-to-Point Data Transmission (in ten centimetres) swap data between electronic equipment; Because near-field communication has natural security, for consumption electronic products provide a communication modes very easily.
At present, the NFC technology also only limits to be applied in the aspects such as gate control system, label tracking, ticketing service, public transport, E-Payment, and along with scientific and technical development, utilizing the NFC technology is hot issues that people study for the user provides more application more easily.
Projector plays very important effect in display and demonstration, meeting etc., traditional projector is to be connected with terminal device (as computer) by cable, realizes projecting function, connects up more; In addition, if the cable contact is loosening, can disconnect, cause projection to interrupt; It is worth mentioning that, the user normally plays the projection data and controls by operating mouse or keyboard etc. on terminal, and therefore, the user can not leave terminal device in the speech process, and operation is very inconvenient.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, and providing a kind of is optical projection system and the method that projectable play and operated comfort and convenient without by cable, connecting.
For achieving the above object, the technical solution used in the present invention is: a kind of optical projection system based on NFC, comprise projector and the terminal device that can connect by NFC, and it is characterized in that: described projector comprises:
NFC module: for utilizing the Near Field Communication technology to connect with described terminal device, obtain the projection data from terminal device, and make prompting;
Data storage processing module: the projection data that described NFC module is obtained is stored and processed;
Communication module: for carrying out wireless telecommunications with described terminal device;
Playing module: the projection data is play by described communication module;
Described terminal device comprises NFC antenna, memory module, operational module, described terminal device will be stored in projection data transmission in described memory module to described NFC module by the NFC antenna, described operational module and described communication module wireless connections, carry out Play Control be used to the Play Control instruction is provided to described playing module.
In a preferred embodiment of the present invention, comprise that further described NFC module comprises connection and acquisition module and reminding module, described connection and acquisition module are for described NFC antenna, connecting, and acquisition is stored in the projection data in described memory module; Described reminding module after described connection and acquisition module obtain the projection data, send voice the prompting of bell sound.
In a preferred embodiment of the present invention, comprise that further described data storage processing module is in automatic projection data of deleting oldest stored when storage projection data within it reaches memory capacity.
In a preferred embodiment of the present invention, further comprise described communication module by bluetooth wifi a kind of and described operational module wireless telecommunications in infrared, by serial communication interface, be connected with playing module with described data memory module.
In a preferred embodiment of the present invention, further comprise described operational module can send to described communication module enter lower one page, return to page up, return to the homepage, full frame, exit full frame Play Control instruction.
The present invention also provides a kind of projecting method based on NFC, it is characterized in that: comprise the steps:
1), start terminal device as above, initiation active connection request;
2), start projector as above, according to the connection request received set up with described terminal device based on being connected of Near Field Communication technology, and obtain the projection data be stored in described terminal device;
3), after hearing that described projector sends prompt tone, by described terminal device, the projection data is play and is controlled.
Invention has solved the defect existed in the background technology, optical projection system based on NFC provided by the invention and method, without passing through cable wiring, utilize the near-field communication technology to obtain the projection data, and by wireless communication technique realize to the broadcasting of projection data with control, greatly improved the reliability of projection, during speech, can not be subject to controlling the constraint of distance, for the user provides a great convenience.
The accompanying drawing explanation
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the frame diagram of the optical projection system based on NFC provided by the invention;
Fig. 2 is the process flow diagram of the optical projection system based on NFC provided by the invention.
Embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only shows the formation relevant with the present invention.
As shown in Figure 1, a kind of optical projection system based on NFC, comprise projector and the terminal device that can connect by NFC, and wherein projector comprises:
NFC module: for utilizing the Near Field Communication technology to connect with terminal device, obtain the projection data from terminal device, and make prompting; Data storage processing module: the projection data that the NFC module is obtained is stored and processed; Communication module: for carrying out wireless telecommunications with terminal device; Playing module: the projection data is play by communication module;
Terminal device comprises NFC antenna, memory module, operational module, and terminal device will be stored in projection data transmission in described memory module to the NFC module by the NFC antenna; Operational module and communication module wireless connections, carry out Play Control be used to the Play Control instruction is provided to playing module.
Further, above-mentioned NFC module comprises connection and acquisition module and reminding module, connects with acquisition module and is used for connecting with the NFC antenna of terminal device, and obtain the projection data in the terminal device memory module that is stored in; And reminding module is connected with acquisition module with being connected, send voice or the prompting of bell sound connecting after with acquisition module, obtaining the projection data, with prompting user projector, read the projection data complete; By voice or the prompting of bell sound are set, without visualization interface being set so that the user is pointed out on projector.
Further, above-mentioned data storage processing module is being deleted the projection data of oldest stored automatically when storage projection data within it reaches memory capacity.
Further, above-mentioned communication module by bluetooth wifi a kind of and operational module wireless telecommunications in infrared, and with playing module, be connected with described data memory module by serial communication interface; Mode by terminal device and projector employing wireless telecommunications, when speech, to operate for the convenience of the users, because projector is to obtain the projection data in terminal device by the Near Field Communication technology, its distance of obtaining is within ten centimetres, after projector obtains the projection data, the user can be by terminal device away from projector, utilize wireless telecommunications, at a distance projector is play and controlled, can not be subject to the constraint of distance, the mode of comparing traditional cable connection has more superiority, uses more convenient.
Operational module in above-mentioned terminal device can send to the communication module of projector enter lower one page, return to page up, return to the homepage, full frame, exit full frame etc. Play Control instruction.
As shown in Figure 2, the present invention also provides a kind of projecting method based on NFC, realizes by following steps:
Step S10, the above-mentioned terminal device of startup, initiate initiatively connection request to above-mentioned projector;
Step S20, start above-mentioned projector, according to the connection request received set up with terminal device based on being connected of Near Field Communication technology, and obtain the projection data be stored in terminal device;
Step S30, after hearing that projector sends and obtains the complete prompt tone of projection data, by terminal device, the projection data is play and is controlled.
Optical projection system based on NFC provided by the invention and method, without passing through cable wiring, utilize the near-field communication technology to obtain the projection data, and by wireless communication technique realize to the broadcasting of projection data with control, greatly improved the reliability of projection, during speech, can not be subject to controlling the constraint of distance, for the user provides a great convenience.
Above foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related personnel can, in the scope that does not depart from this invention technological thought, carry out various change and modification fully.The technical scope of this invention is not limited to the content on instructions, must determine technical scope according to the claim scope.
Claims (6)
1. optical projection system based on NFC, comprise projector and the terminal device that can connect by NFC, and it is characterized in that: described projector comprises:
NFC module: for utilizing the Near Field Communication technology to connect with described terminal device, obtain the projection data from terminal device, and make prompting;
Data storage processing module: the projection data that described NFC module is obtained is stored and processed;
Communication module: for carrying out wireless telecommunications with described terminal device;
Playing module: the projection data is play by described communication module;
Described terminal device comprises NFC antenna, memory module, operational module, described terminal device will be stored in projection data transmission in described memory module to described NFC module by the NFC antenna, described operational module and described communication module wireless connections, carry out Play Control be used to the Play Control instruction is provided to described playing module.
2. a kind of optical projection system based on NFC according to claim 1, it is characterized in that: described NFC module comprises connection and acquisition module and reminding module, described connection and acquisition module are for described NFC antenna, connecting, and acquisition is stored in the projection data in described memory module; Described reminding module after described connection and acquisition module obtain the projection data, send voice the prompting of bell sound.
3. a kind of optical projection system based on NFC according to claim 1 is characterized in that: described data storage processing module is being deleted the projection data of oldest stored automatically when storage projection data within it reaches memory capacity.
4. a kind of optical projection system based on NFC according to claim 1, it is characterized in that: described communication module by bluetooth wifi a kind of and described operational module wireless telecommunications in infrared, by serial communication interface, be connected with playing module with described data memory module.
5. a kind of optical projection system based on NFC according to claim 4 is characterized in that: described operational module can send to described communication module enter lower one page, return to page up, return to the homepage, full frame, exit full frame Play Control instruction.
6. the projecting method based on NFC, is characterized in that: comprise the steps:
1), start terminal device as described as claim 1~5 any one, initiation active connection request;
2), start projector as described as claim 1~5 any one, according to the connection request foundation received and described terminal device based on being connected of Near Field Communication technology, and obtain the projection data be stored in described terminal device;
3), after hearing that described projector sends prompt tone, by described terminal device, the projection data is play and is controlled.
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CN2013103864862A CN103412458A (en) | 2013-08-30 | 2013-08-30 | System and method for projection based on NFC |
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CN2013103864862A CN103412458A (en) | 2013-08-30 | 2013-08-30 | System and method for projection based on NFC |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105939431A (en) * | 2015-03-05 | 2016-09-14 | 精工爱普生株式会社 | Display apparatus, display system, and control method for display apparatus |
CN108776947A (en) * | 2018-07-17 | 2018-11-09 | 四川长虹电器股份有限公司 | Audio-visual education programme based on optical projection system manages implementation method |
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US20060103722A1 (en) * | 2004-10-28 | 2006-05-18 | Sony Corporation | Voice output system and method |
CN102077566A (en) * | 2008-06-30 | 2011-05-25 | 佳能株式会社 | Data output apparatus, method of controlling same and output system |
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- 2013-08-30 CN CN2013103864862A patent/CN103412458A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060103722A1 (en) * | 2004-10-28 | 2006-05-18 | Sony Corporation | Voice output system and method |
CN102077566A (en) * | 2008-06-30 | 2011-05-25 | 佳能株式会社 | Data output apparatus, method of controlling same and output system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105939431A (en) * | 2015-03-05 | 2016-09-14 | 精工爱普生株式会社 | Display apparatus, display system, and control method for display apparatus |
CN105939431B (en) * | 2015-03-05 | 2019-10-22 | 精工爱普生株式会社 | The control method of display device, display system and display device |
CN108776947A (en) * | 2018-07-17 | 2018-11-09 | 四川长虹电器股份有限公司 | Audio-visual education programme based on optical projection system manages implementation method |
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Application publication date: 20131127 |