CN108242188A - Examination system and method based on visible light communication - Google Patents
Examination system and method based on visible light communication Download PDFInfo
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- CN108242188A CN108242188A CN201711465310.0A CN201711465310A CN108242188A CN 108242188 A CN108242188 A CN 108242188A CN 201711465310 A CN201711465310 A CN 201711465310A CN 108242188 A CN108242188 A CN 108242188A
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- visible light
- light communication
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
Abstract
The present invention provides a kind of examination system based on visible light communication, and the examination system includes：Examination device based on visible light communication, the first visible light communication module, first light source module, the first optical receiver module and terminal；Described device is used to generate topic information and send the topic information to the first visible light communication module；The first visible light communication module is used to the topic information being modulated into the first driving electric signal, and drive electric signal output to the input terminal of the first light source module by described first；The first light source module is used to launch the visible light signal for carrying topic information under the driving of the described first driving electric signal.The present invention solves the problems, such as that downloading exam question by internet in the prior art causes examinee that can provide one kind by internet search answer and do not need to through internet transmissions exam question, safe examination system and method based on visible light communication.
Description
Technical field
The present invention relates to education sector, in particular to examination system and method based on visible light communication.
Background technology
Nonpaperlized examination can save exam information, and specification examination management facilitates examinee to take an examination, becomes as one kind
Gesture.However, nonpaperlized examination needs to be connected to internet download exam question, network security by WiFi or mobile communications network
It is required that it is high, it is careless slightly to cause to let out topic.Examinee can search answer on the net by WiFi or mobile communications network, influence
To the fairness of examination.
Internet is connected to by WiFi or mobile communications network in for the above-mentioned prior art and downloads asking for exam question
Topic, currently no effective solution has been proposed.
Invention content
The present invention is directed to solve above-mentioned technical problem at least to a certain extent.
An embodiment of the present invention provides a kind of examination systems and method based on visible light communication, are needed with solving the prior art
The problem of exam question causes examinee can be by internet search answer is downloaded by internet.
One side according to embodiments of the present invention provides a kind of examination system based on visible light communication, the system
System includes：
Examination device based on visible light communication, the first visible light communication module, first light source module, the first optical receiver module and
Terminal；
Described device is used to generate topic information and send the topic information to the first visible light communication module；Described device is also
For receiving carrying the electric signal of answering information and restoring answering information for the first visible light communication module demodulation；
The first visible light communication module is used to the topic information being modulated into the first driving electric signal, and by described first
Electric signal output is driven to the input terminal of the first light source module；The first visible light communication module is additionally operable to described
The visible light signal for the carrying answering information demodulation of one optical receiver module input is made as carrying the electric signal of answering information, and
It is sent to described device；
The first light source module be used to launching under the driving of the described first driving electric signal carry topic information can
See optical signal, the visible light signal, which can be received and be demodulated by the terminal with the second visible light communication module, is made as topic letter
Breath；
First optical receiver module receives the visible light signal for carrying answering information that the terminal is sent out and is sent to
First visible light communication module.
One side according to embodiments of the present invention provides a kind of method of examination based on visible light communication, the side
Method includes：
Examination device generation topic information based on visible light communication；
Described device is launched the first light source module and is taken by the first visible light communication module drive first light source module
Visible light signal with topic information；
The visible light signal is received by terminal and restores topic information；
The terminal receives input operation and operates generation answering information according to input；
The terminal transmission goes out the modulated visible light signal for carrying answering information；
First optical receiver module receives the visible light signal for carrying answering information that the terminal is sent out, through the first visible ray
Answering information is restored in a device after communication module demodulation.
Compared with prior art, have the advantages of technical solution of the present invention：
1st, exam question is transmitted using visible light communication, does not need to, by internet, prevent examinee from searching answer by internet；
2nd, answer is completed by visible light communication transmission answer as a result, safe and reliable, examinee can not view other people answer
Case, strong security；
3rd, by visible light communication, the spread scope of exam question is made to be only limitted in classroom, it is not easy to divulge a secret.
The present invention solves causes examinee that can be answered by internet search by internet download exam question in the prior art
The problem of topic, provides one kind and does not need to through internet transmissions exam question, safe examining based on visible light communication
Test system and method.
Description of the drawings
Fig. 1 is the examination system structure diagram based on visible light communication of the embodiment of the present invention.
Fig. 2 is the terminal structure schematic diagram of the embodiment of the present invention.
Fig. 3 is the method for examination flow chart based on visible light communication of the embodiment of the present invention.
Fig. 4 passes through the first visible light communication module drive for the embodiment of the present invention based on the method for examination of visible light communication
First light source module step flow chart.
Fig. 5 is that the method for examination visible light signal based on visible light communication of the embodiment of the present invention is received and restored by terminal
Topic information flow chart of steps.
Fig. 6 is that the method for examination flow terminal based on visible light communication of the embodiment of the present invention receives input operation and basis
Input operation generation answering information flow chart of steps.
Fig. 7 goes out modulated carry for the method for examination terminal transmission based on visible light communication of the embodiment of the present invention and answers
Inscribe the visible light signal flow chart of steps of information.
Fig. 8 is described in the first optical receiver module reception described in the method for examination based on visible light communication of the embodiment of the present invention
What terminal was sent out carries the visible light signal of answering information, after the first visible light communication module demodulation in a device also
Original goes out answering information flow chart of steps.
Fig. 9 is the examination device structure diagram based on visible light communication of the embodiment of the present invention
Wherein：1st, the examination device based on visible light communication；2nd, the first visible light communication module；3rd, first light source module；4th,
One optical receiver module；5th, terminal；11st, memory；12nd, processor；501st, main control module；502nd, the second visible light communication module；
503rd, second light source module；504th, the second optical receiver module；510th, receiving module；511st, interface module；512nd, answer module；
513rd, sending module.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
Embodiment
As shown in Figure 1, one side according to embodiments of the present invention, provides a kind of examination system based on visible light communication
System, the system comprises：
Examination device 1 based on visible light communication, the first visible light communication module 2, first light source module 3, the first light-receiving mould
Block 4 and terminal 5；
Described device 1 is used to generate topic information and send the topic information to the first visible light communication module 2；Described device
1 is additionally operable to receive carrying the electric signal of answering information and restoring answer for the demodulation of the first visible light communication module 2
Information；
The first visible light communication module 2 is used to the topic information being modulated into the first driving electric signal, and by described the
One drives electric signal output to the input terminal of the first light source module 3；The first visible light communication module 2 is additionally operable to institute
The visible light signal for the carrying answering information demodulation for stating the input of the first optical receiver module 4 is made as carrying the telecommunications of answering information
Number, and it is sent to described device 1；
The first light source module 3 be used to launching under the driving of the described first driving electric signal carry topic information can
See optical signal, the visible light signal can be received and be demodulated by the terminal 5 with the second visible light communication module 502 and be made as inscribing
Mesh information；
First optical receiver module receives the visible light signal for carrying answering information that 4 terminals are sent out and is sent to
First visible light communication module 2.
As shown in Fig. 2, in a kind of preferred scheme, the system also includes terminal 5, the terminal 5 includes master control mould
Block 501, the second visible light communication module 502, second light source module 503, the second optical receiver module 504；
Second optical receiver module 504 carries the visible light signal signal of topic information for reception and exports electric signal,
And the electric signal is inputted into the second visible light communication module；
The main control module 501 includes：
Receiving module 510, for receiving the digital signal for carrying topic information that is inputted of the second visible light communication module simultaneously
The topic information will be restored；
Interface module 511, for generating answer interface according to topic information；
Answer module 512, for receiving the input at answer interface operation and operating generation answering information according to input；
Sending module 513, for the answering information to be sent to the second visible light communication module；
The second visible light communication module 502 is used to the electric signal demodulation that second optical receiver module inputs carrying is made
There is the digital signal of topic information, and the digital signal for carrying topic information is sent to the input terminal of main control module；
The second visible light communication module 502 is additionally operable to the answering information being modulated into the second driving electric signal, and by described
The input terminal of two driving electric signal input second light source modules 503；
The second light source module 503 described second driving electric signal driving under launch it is modulated carry answer letter
The visible light signal of breath.
In specific implementation process, described device 1 is additionally operable to score to answering information according to topic information；
In specific implementation process, described device 1 is additionally operable to be scored according to appraisal result.
As shown in figure 3, one side according to embodiments of the present invention, provides a kind of examination side based on visible light communication
Method, the method includes：
S110：Examination device generation topic information based on visible light communication；
S120：Described device sends out the first light source module by the first visible light communication module drive first light source module
Project the visible light signal for carrying topic information；
S130：The visible light signal is received by terminal and restores topic information；
S140：The terminal receives input operation and operates generation answering information according to input；
S150：The terminal transmission goes out the modulated visible light signal for carrying answering information；
S160：First optical receiver module receives the visible light signal for carrying answering information that the terminal is sent out, through first
Answering information is restored in a device after visible light communication module demodulation.
As shown in figure 4, in specific implementation process, described device passes through the first visible light communication module drive first light source
Module step includes：
S121：Described device sends the topic information to the first visible light communication module；
S122：The topic information is modulated into the first driving electric signal by the first visible light communication module；
S123：The first visible light communication module drives electric signal output to the defeated of the first light source module by described first
Enter end；
S124：The first light source module launch under the driving of the described first driving electric signal carry topic information can
See optical signal.
As shown in figure 5, in specific implementation process, the visible light signal is received by terminal and restores topic information step
It further includes：
S131：Second optical receiver module carries the visible light signal signal of topic information for reception and exports electric signal, and
The electric signal is inputted into the second visible light communication module；
S132：The second visible light communication module is used to the electric signal demodulation that second optical receiver module inputs being made and take
Digital signal with topic information, and the digital signal for carrying topic information is sent to the input of main control module
End；
S133：The digital signal for carrying topic information that the second visible light communication module of the main control module reception is inputted is simultaneously
The topic information will be restored.
As shown in fig. 6, in specific implementation process, the terminal receives input operation and operates generation answer according to input
Information Step includes：
S141：The terminal generates answer interface according to topic information；
S142：The terminal receives the input operation at answer interface；
S143：The terminal operates generation answering information according to input.
As shown in fig. 7, in specific implementation process, the terminal transmission, which goes out, modulated carries the visible of answering information
Optical signal step further includes：
S151：The answering information is sent to the second visible light communication module by main control module
S152：The answering information is modulated into the second driving electric signal by the second visible light communication module；
S153：Described second driving electric signal is inputted the input terminal of second light source module by the second visible light communication module；
S154：The second light source module is launched under the driving of the described second driving electric signal modulated carries answer
The visible light signal of information.
As shown in figure 8, in specific implementation process, first optical receiver module receives the carrying that the terminal is sent out
There is the visible light signal of answering information, answering information step is restored in a device after the first visible light communication module demodulation
Including：
S161：It is concurrent that first optical receiver module receives the visible light signal for carrying answering information that the terminal is sent out
It is sent to the first visible light communication module；
S162：The first visible light communication module carries the visible of answering information by what first optical receiver module inputted
Optical signal demodulation is made as carrying the electric signal of answering information, and is sent to described device；
S163：Described device receives the electric signal for carrying answering information of the first visible light communication module demodulation and goes back
Original goes out answering information.
In specific implementation process, the method further includes：
Described device scores to answering information according to topic information；
In specific implementation process, the method further includes：
Described device is scored according to appraisal result.
Fig. 9 shows the block diagram of other embodiments of the device 1 of the disclosure.
As shown in figure 9, the device 1 of the embodiment includes：Memory 11 and the processor 12 for being coupled to the memory 11,
Processor 12 is configured as based on the instruction being stored in memory 11, perform in the disclosure in some arbitrary embodiments without paper
Change the method for examination.
Memory 11 is such as can include system storage, fixed non-volatile memory medium.System storage is for example
It is stored with operating system, application program, Boot loader（Boot Loader）, database and other programs etc..
Those skilled in the art should be understood that embodiment of the disclosure can be provided as method, system or computer journey
Sequence product.Therefore, in terms of the disclosure can be used complete hardware embodiment, complete software embodiment or combine software and hardware
The form of embodiment.Moreover, the calculating for wherein including computer usable program code in one or more can be used in the disclosure
Machine can use non-transient storage medium（Including but not limited to magnetic disk storage, CD-ROM, optical memory etc.）The meter of upper implementation
The form of calculation machine program product.
The embodiment of the present invention solves causes examinee that can pass through network by internet download exam question in the prior art
The problem of searching answer, provides one kind and does not need to through internet transmissions exam question, safe to be led to based on visible ray
The examination system and method for letter.
So far, the examination system based on visible light communication, method and the computer according to the disclosure is described in detail
Readable storage medium storing program for executing.In order to avoid covering the design of the disclosure, some details known in the field are not described.This field skill
Art personnel as described above, can be appreciated how to implement technical solution disclosed herein completely.
Disclosed method and system may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combinations realize disclosed method and system.The said sequence of the step of for the method
Merely to illustrate, the step of disclosed method, is not limited to sequence described in detail above, special unless otherwise
It does not mentionlet alone bright.In addition, in some embodiments, the disclosure can be also embodied as recording program in the recording medium, these programs
Including being used to implement the machine readable instructions according to disclosed method.Thus, the disclosure also covers storage for performing basis
The recording medium of the program of disclosed method.
Although some specific embodiments of the disclosure are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to illustrating rather than in order to limit the scope of the present disclosure.The skill of this field
Art personnel are it should be understood that can modify to above example in the case where not departing from the scope of the present disclosure and spirit.This public affairs
The range opened is defined by the following claims.
Claims (10)
1. a kind of examination system based on visible light communication, which is characterized in that the system comprises：
Examination device based on visible light communication, the first visible light communication module, first light source module, the first optical receiver module and
Terminal；
Described device is used to generate topic information and send the topic information to the first visible light communication module；Described device is also
For receiving carrying the electric signal of answering information and restoring answering information for the first visible light communication module demodulation；
The first visible light communication module is used to the topic information being modulated into the first driving electric signal, and by described first
Electric signal output is driven to the input terminal of the first light source module；The first visible light communication module is additionally operable to described
The visible light signal for the carrying answering information demodulation of one optical receiver module input is made as carrying the electric signal of answering information, and
It is sent to described device；
The first light source module be used to launching under the driving of the described first driving electric signal carry topic information can
See optical signal, the visible light signal, which can be received and be demodulated by the terminal with the second visible light communication module, is made as topic letter
Breath；
First optical receiver module receives the visible light signal for carrying answering information that the terminal is sent out and is sent to
First visible light communication module.
2. the examination system according to claim 1 based on visible light communication, which is characterized in that the system also includes ends
End, the terminal include main control module, the second visible light communication module, second light source module, the second optical receiver module；
Second optical receiver module carries the visible light signal signal of topic information for reception and exports electric signal, and will
The electric signal inputs the second visible light communication module；
The main control module includes：
Receiving module, the digital signal for carrying topic information inputted for the second visible light communication module of reception simultaneously will be also
Topic information described in original；
Interface module, for generating answer interface according to topic information；
Answer module, for receiving the input at answer interface operation and operating generation answering information according to input；
Sending module, for the answering information to be sent to the second visible light communication module；
The second visible light communication module is used to the electric signal demodulation that second optical receiver module inputs being made and carry
The digital signal of topic information, and the digital signal for carrying topic information is sent to the input terminal of main control module；Institute
The second visible light communication module is stated to be additionally operable to the answering information being modulated into the second driving electric signal, and described second is driven
Electric signal inputs the input terminal of second light source module；
The second light source module is launched under the driving of the described second driving electric signal modulated carries answering information
Visible light signal.
3. the examination system according to claim 2 based on visible light communication, which is characterized in that described device 1 is additionally operable to
It is scored according to topic information answering information.
4. the examination system according to claim 3 based on visible light communication, which is characterized in that described device 1 is additionally operable to
It is scored according to appraisal result.
5. a kind of method of examination based on visible light communication, which is characterized in that the method includes：
Examination device generation topic information based on visible light communication；
Described device is launched the first light source module and is taken by the first visible light communication module drive first light source module
Visible light signal with topic information；
The visible light signal is received by terminal and restores topic information；
The terminal receives input operation and operates generation answering information according to input；
The terminal transmission goes out the modulated visible light signal for carrying answering information；
First optical receiver module receives the visible light signal for carrying answering information that the terminal is sent out, through the first visible ray
Answering information is restored in a device after communication module demodulation.
6. the method for examination according to claim 5 based on visible light communication, which is characterized in that described device passes through first
Visible light communication module drive first light source module step includes：
Described device sends the topic information to the first visible light communication module；
The topic information is modulated into the first driving electric signal by the first visible light communication module；
The first visible light communication module drives electric signal output to the input terminal of the first light source module by described first；
The first light source module launches the visible ray for carrying topic information under the driving of the described first driving electric signal
Signal.
7. the method for examination according to claim 6 based on visible light communication, which is characterized in that the visible light signal quilt
Terminal receives and restores topic information step and further includes：
Second optical receiver module carries the visible light signal signal of topic information and exports electric signal, and by the electricity for receiving
Signal inputs the second visible light communication module；
The second visible light communication module is used to the electric signal demodulation that second optical receiver module inputs being made and carry
The digital signal of topic information, and the digital signal for carrying topic information is sent to the input terminal of main control module；
The main control module receives the digital signal for carrying topic information that the second visible light communication module is inputted and will go back
Topic information described in original.
8. the method for examination according to claim 7 based on visible light communication, which is characterized in that the terminal receives input
It operates and generation answering information step is operated according to input and include：
The terminal generates answer interface according to topic information；
The terminal receives the input operation at answer interface；
The terminal operates generation answering information according to input.
9. the method for examination according to claim 8 based on visible light communication, which is characterized in that the terminal transmission go out through
The visible light signal step for carrying answering information of modulation further includes：
The answering information is sent to the second visible light communication module by main control module
The answering information is modulated into the second driving electric signal by the second visible light communication module；
Described second driving electric signal is inputted the input terminal of second light source module by the second visible light communication module；
The second light source module is launched under the driving of the described second driving electric signal modulated carries answering information
Visible light signal.
10. the method for examination according to claim 9 based on visible light communication, which is characterized in that first light-receiving
Module receives the visible light signal for carrying answering information that the terminal is sent out, and is demodulated through the first visible light communication module
Answering information step is restored in a device afterwards to include：
First optical receiver module receives the visible light signal for carrying answering information that the terminal is sent out and is sent to
First visible light communication module；
The first visible light communication module believes the visible ray for carrying answering information that first optical receiver module inputs
Number demodulation is made as carrying the electric signal of answering information, and be sent to described device；
Described device receives carrying the electric signal of answering information and restoring for the first visible light communication module demodulation
Answering information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465310.0A CN108242188A (en) | 2017-12-29 | 2017-12-29 | Examination system and method based on visible light communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465310.0A CN108242188A (en) | 2017-12-29 | 2017-12-29 | Examination system and method based on visible light communication |
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ID=62701213
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| CN1773569A (en) * | 2004-11-10 | 2006-05-17 | 叶治康 | Standard examination paperless answering questions system |
| CN103338072A (en) * | 2013-06-04 | 2013-10-02 | 南京邮电大学 | A visible light communication and wireless access method base on the Android system |
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