CN103368647B - Visible light communication transmitting device based on time division multiple access - Google Patents
Visible light communication transmitting device based on time division multiple access Download PDFInfo
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- CN103368647B CN103368647B CN201210094111.4A CN201210094111A CN103368647B CN 103368647 B CN103368647 B CN 103368647B CN 201210094111 A CN201210094111 A CN 201210094111A CN 103368647 B CN103368647 B CN 103368647B
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- dispensing device
- microprocessor
- visible light
- identification data
- transmitting element
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Abstract
The embodiment of the invention discloses a visible light communication transmitting device based on time division multiple access, comprising a housing, a microprocessor arranged in the housing and used for coding acquired identification data which refers to unlocking information with a header and remote control information with a header, and a transmitting unit connected with the microprocessor and externally embedded at one end of the housing and used for transmitting the unlocking information and the remote control information previously coded by the microprocessor through visible light signal crossing. The visible light communication transmitting device based on time division multiple access is capable of realizing the multi-output mode of visible light communication.
Description
Technical field
The present invention relates to technical field of photo communication is and in particular to a kind of visible light communication based on time division multiple acess sends dress
Put.
Background technology
Also known as visible optical communication, it is flashed to be communicated wireless light communication technology by the altofrequency of LED light source, has light
Represent 1, unglazed represent 0, its transfer rate is up to upper gigabit per second.Wireless light communication is carried out data transmission by visible ray,
Compared with microwave technology, there is quite abundant frequency spectrum resource, be general microwave communication and radio communication is incomparable；May be used simultaneously
See that optic communication can be suitable for any communication protocol, be applied to any environment；It is not necessary to worry Content of Communication by people in terms of safety
Steal；The equipment of wireless light communication is flexibly convenient, and cost is very low, is suitable for extensive popularization and application.
It is seen that optic communication, using single way of output, can only transmit a kind of useful signal with a branch of visible ray in prior art,
Limit its range of application.
Content of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of visible light communication based on time division multiple acess
Dispensing device, is capable of the multi output mode of visible light communication.
In order to solve above-mentioned technical problem, the visible light communication that embodiment of the present invention provides based on time division multiple acess sends
Device, including shell；It is placed in inside the shell, for the microprocessor that the identification data obtaining is encoded, this identification data is
Unlocking information with stem and the remote information with stem；It is connected with described microprocessor, be embedded in outward shell one end, be used for
Unlocking information after microprocessor coding described in visible light signal Cross transfer and the transmitting element shaking control information.
Wherein, described dispensing device also includes the drive circuit being connected between microprocessor and transmitting element, for inciting somebody to action
The electric current of described microprocessor output improves to the operating current of described transmitting element, visible to drive described transmitting element to send
Optical signal.
Wherein, described dispensing device also includes the verification computing subelement being connected with microprocessor, after to coding
Identification data carries out verifying computing.
Wherein, described dispensing device also includes the encryption sub-unit operable being connected with microprocessor, for the identification after coding
Data is encrypted.
Wherein, described dispensing device also includes the memory element for storing described identification data.
Wherein, described dispensing device also includes the power supply being connected with each functional unit of described dispensing device.
Wherein, described dispensing device also includes the button being connected with described power supply, for according to the trigger control receiving
Make the shutoff of described power supply.
Wherein, described power supply is accumulator, rechargeable battery or button cell.
Wherein, described dispensing device is mobile terminal.
Wherein, described transmitting element is light emitting diode.
The dispensing device that the present invention provides sends information by the way of time division multiple acess, and therefore same dispensing device can correspond to
Different receiving terminals, expands the range of application of dispensing device；In addition, information is transmitted by visible light signal, due to light letter
Number linear transmission characteristic it is not easy to be stolen, thus improving the safety of dispensing device transmission data.
Brief description
In order to be illustrated more clearly that embodiment of the present invention or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present invention, for those of ordinary skill in the art, in the premise not paying creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the visible light communication dispensing device structural representation that first embodiment of the invention provides；
Fig. 2 is the optic communication schematic diagram based on time division multiple acess that first embodiment provides；
Fig. 3 is the visible light communication dispensing device structural representation that second embodiment of the invention provides；
Fig. 4 is the visible light communication dispensing device structural representation that third embodiment of the invention provides；
Fig. 5 is the visible light communication dispensing device structural representation that four embodiment of the invention provides；
Fig. 6 is the visible light communication dispensing device structural representation that fifth embodiment of the invention provides；
Fig. 7 is the visible light communication dispensing device structural representation that sixth embodiment of the invention provides；
Fig. 8 is the front view of visible light communication dispensing device provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clearly
Chu, it is fully described by it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole realities
Apply mode.Based on the embodiment in the present invention, those of ordinary skill in the art institute under the premise of not making creative work
The every other embodiment obtaining, broadly falls into the scope of protection of the invention.
It is seen that optic communication dispensing device is by the way of time division multiple acess, by optical signal to difference in the embodiment of the present invention
Reception device transmission identification data, thus realizing the multi output mode of visible light signal.
Referring to Fig. 1, it is the visible light communication dispensing device 100 that first embodiment of the invention provides.In present embodiment,
Described visible light communication dispensing device 100 is used in visible light communication system, as signal output apparatus.Described visible light communication
Dispensing device 100 includes shell (not identifying in Fig. 1)；It is placed in the microprocessor 11 of inside the shell and be embedded in outward shell one end
Transmitting element 12.
Microprocessor 11, for encoding to the identification data obtaining, and the identification data after coding is sent to
Transmitting element 12.Specifically, the identification data of acquisition is converted to binary data by microprocessor 11, compiles further according to Manchester
Binary data is converted to upper lower edge trigger by code mode.Within a time cycle, binary data " 1 " is converted to
Trailing edge trigger, " 0 " is converted to rising edge trigger.Wherein, identification data be unlocking information with stem and
Remote information with stem.
The transmitting element 12 being connected with microprocessor 11, for being compiled by microprocessor described in visible light signal Cross transfer
Code after unlocking information and shake control information.This transmitting element 12 can be light emitting diode, when receiving trailing edge trigger
Luminous, do not light when receiving rising edge trigger.
Referring to Fig. 2, the optic communication schematic diagram based on time division multiple acess providing for first embodiment, time division multiple acess should be based on
Optic communication as follows：When transmitting element 12 sends visible light signal, in this signal, carry data form knowledge as indicated at 21
Other data.For example, the form of identification data is：Unlocking information heading-unlocking message segment 1+ remote information stem-remote information section
1 ... unlocking information heading-unlocking message segment n+ remote information stem-remote information section n.
Certainly, in other embodiments, when described identification data is binary data, microprocessor 11 can also be straight
Connect and identification data is converted to upper lower edge trigger.Described transmitting element 12 can also be when receiving trailing edge trigger
Do not light, receive luminous during rising edge trigger.Described microprocessor 11 can adopt digit chip.
Referring to Fig. 3, it is the visible light communication dispensing device 100 that second embodiment of the invention provides.Real with respect to first
Apply mode, dispensing device 100, on the basis of microprocessor 11 and transmitting element 12, also includes being connected to microprocessor 11 and sending out
Send the drive circuit 31 between unit 12, the electric current for exporting microprocessor 11 improves to the work electricity of transmitting element 12
Stream, drives transmitting element 12 to send visible light signal according to the upper lower edge trigger after microprocessor 11 coding.This embodiment party
In formula, drive circuit 31 receives and drives transmitting element 12 to light during trailing edge trigger.
Referring to Fig. 4, it is the visible light communication dispensing device 100 that third embodiment of the invention provides.Real with respect to second
Apply mode, dispensing device 100, on the basis of microprocessor 11, transmitting element 12 and drive circuit 31, also includes and micro- place
The verification computing subelement 41 that reason device 11 connects, for carrying out verifying computing to the identification data after microprocessor 11 coding, with
Ensure the reliability of this identification data transmission.
Referring to Fig. 5, it is the visible light communication dispensing device 100 that four embodiment of the invention provides.Real with respect to the 3rd
Apply mode, dispensing device 100 is in the base of microprocessor 11, transmitting element 12, drive circuit 31 and verification computing subelement 41
On plinth, also include the encryption sub-unit operable 51 being connected with microprocessor 11, for carrying out adding to the data after microprocessor 11 coding
Close, this encryption sub-unit operable 51 can integrate with microprocessor 11 it is also possible to individualism.
In the present embodiment, due to adding encryption sub-unit operable 51, thus further increasing safety.
Referring to Fig. 6, it is the visible light communication dispensing device 100 that fifth embodiment of the invention provides.Real with respect to the 4th
Apply mode, dispensing device 100 is in microprocessor 11, transmitting element 12, drive circuit 31, verification computing subelement 41, Yi Jijia
On the basis of close subelement 51, also include memory element 61, for storing identification data, this identification data is opening with stem
Lock information and the remote information with stem.In present embodiment, memory element 61 can using programmable read only memory, can
Erasable programmable read-only memory (EPROM) or flash memory.Described identification data can directly be write by manufacturer or be write by user.
Described identification data can be write using binary system or is easy to the computer journeys such as the assembler language of identification, high-level language using other
Sequence design language is write.In present embodiment, for the ease of reading, described identification data is write using high-level [computer.
Referring to Fig. 7, it is the visible light communication dispensing device 100 that sixth embodiment of the invention provides.Real with respect to the 5th
Apply mode, dispensing device 100 is in microprocessor 11, transmitting element 12, drive circuit 31, verification computing subelement 41, encryption
On the basis of unit 51 and memory element 61, the power supply 71 that also includes being connected with each functional unit of dispensing device 100, with
And the button 72 being connected with power supply 71.Power supply 71 is used for providing electric energy to connected each functional unit.Described power supply 71 is permissible
Electrically connected with each functional unit of dispensing device 100 by button 72.When button 72 is connected, described power supply 71 and microprocessor
11st, transmitting element 12, drive circuit 31, verification computing subelement 41, encryption sub-unit operable 51 and memory element 61 realize conductance
Logical, thus transmitting element 12 lights, send the optical signal characterizing described identification data.Certainly, in other embodiments it is seen that
Optic communication dispensing device 100 can not also include described power supply 71 and button 72, and adopts the mode of connection direct-electrifying such as USB.
Described power supply can adopt rechargeable battery or button cell.
Referring to Fig. 8, it is the front view of visible light communication dispensing device 100 provided in an embodiment of the present invention.This communication sends
Device 100 includes being placed in the transmitting element 12 of shell 81 one end and the button 72 being embedded in shell 81 outer surface, when button 72 is pressed
When lower, transmitting element 12 sends visible light signal.
The visible light communication dispensing device 100 that the present invention provides passes through to tie tdma with visible light communication phase
Close, by optical signal Cross transfer unlocking information and remote information, thus this visible light communication dispensing device 100 send visible
Optical signal may act as unlock encrypted message it is also possible to as remote control home appliance turn off encrypted message.Thus improving
Consumer's Experience.
Above disclosed be only a kind of better embodiment of the present invention, certainly can not with this to limit the present invention it
Interest field, the equivalent variations therefore made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of visible light communication dispensing device based on time division multiple acess is it is characterised in that include shell；It is placed in inside the shell, use
In to the microprocessor that encoded of identification data obtaining, this identification data is unlocking information with stem and carries stem
Remote information, described identification data includes multiple stems and corresponding multiple message part；It is connected with described microprocessor, outward
Be embedded in shell one end, for by described in visible light signal Cross transfer microprocessor coding after unlocking information and shake control information
Transmitting element.
2. dispensing device according to claim 1 is it is characterised in that described dispensing device also includes being connected to microprocessor
Drive circuit and transmitting element between, the electric current for exporting described microprocessor improves to the work of described transmitting element
Electric current, to drive described transmitting element to send visible light signal.
3. dispensing device according to claim 1 is it is characterised in that described dispensing device also includes being connected with microprocessor
Verification computing subelement, for coding after identification data carry out verify computing.
4. dispensing device according to claim 1 is it is characterised in that described dispensing device also includes being connected with microprocessor
Encryption sub-unit operable, for coding after identification data be encrypted.
5. dispensing device according to claim 1 is it is characterised in that described dispensing device is also included for storing described knowledge
The memory element of other data.
6. dispensing device according to claim 1 is it is characterised in that described dispensing device also includes and described dispensing device
The power supply that connects of each functional unit.
7. dispensing device according to claim 6 is it is characterised in that described dispensing device also includes being connected with described power supply
Button, for according to receive trigger control described power supply shutoff.
8. dispensing device according to claim 6 is it is characterised in that described power supply is accumulator, rechargeable battery or button
Battery.
9. dispensing device according to claim 1 is it is characterised in that described dispensing device is mobile terminal.
10. dispensing device according to claim 1 is it is characterised in that described transmitting element is light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094111.4A CN103368647B (en) | 2012-04-01 | 2012-04-01 | Visible light communication transmitting device based on time division multiple access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094111.4A CN103368647B (en) | 2012-04-01 | 2012-04-01 | Visible light communication transmitting device based on time division multiple access |
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| Publication Number | Publication Date |
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| CN103368647A CN103368647A (en) | 2013-10-23 |
| CN103368647B true CN103368647B (en) | 2017-02-22 |
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| CN201210094111.4A Active CN103368647B (en) | 2012-04-01 | 2012-04-01 | Visible light communication transmitting device based on time division multiple access |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110139420B (en) | 2018-02-08 | 2021-09-10 | 财团法人工业技术研究院 | Light emitting device and driving device thereof |
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| CN1747594A (en) * | 2004-09-10 | 2006-03-15 | 北京三星通信技术研究有限公司 | Signal transmission method alternately |
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| CN1303459A (en) * | 1998-04-16 | 2001-07-11 | 艾姆哈特公司 | Remotely controlled door lock system and method |
| CN101132245A (en) * | 2006-08-22 | 2008-02-27 | 中兴通讯股份有限公司 | Digital synchronization series simple instrument implementing device |
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| CN103368647A (en) | 2013-10-23 |
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Effective date of registration: 20150911 Address after: 518000 Shenzhen city Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Applicant after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Applicant before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
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