CN104301043A - Optical communication receiving system and method based on OTG - Google Patents
Optical communication receiving system and method based on OTG Download PDFInfo
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- CN104301043A CN104301043A CN201410573438.9A CN201410573438A CN104301043A CN 104301043 A CN104301043 A CN 104301043A CN 201410573438 A CN201410573438 A CN 201410573438A CN 104301043 A CN104301043 A CN 104301043A
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Abstract
An optical communication receiving system based on OTG comprises a signal light source, a sensor, an amplifying and shaping circuit, an interface circuit and an OTG interface. The sensor is used for receiving light signals of the signal light source. The input end of the amplifying and shaping circuit is connected with the output end of the sensor, and the amplifying and shaping circuit is used for receiving, amplifying, shaping and adjusting the light signals. The interface circuit and the amplifying and shaping circuit are used for converting the signals of the OTG interface. The OTG interface is connected with the interface circuit. According to the optical communication receiving system based on the OTG, a user can use a mobile phone for in connection with an external network through a space optical link easily and conveniently, and the optical communication receiving system has the advantages of being free of radiation, low in cost, safe, environmentally friendly, healthy and the like.
Description
Technical field
The invention belongs to technical field of visible light communication, particularly a kind of optical communication receiving system based on OTG and optical communication method of reseptance.
Background technology
Along with the development of science and technology life, LED light communication device, optical sensing, Based Intelligent Control, Smart Home technology are the typical synthesis of new and high technology, have important military and civilian value.LED is as energy-conserving light source, just at development and universal, the application of visible light communication Based Intelligent Control is more and more extensive, penetrate into a lot of field, so utilize visible light communication to control some electronic equipments, complete the operation of number order type, transferring documents, even audio video transmission becomes possibility.LED visible light transmission technology utilizes the interior illumination fixture such as white light LEDs, send high speed light and shade flicker signal, naked eyes can not be felt to obtain, wirelessly (space optical communication) transmit data.The features such as visible ray is easily maintained secrecy in addition, electromagnetic-radiation-free, especially take and have borrowed illumination platform, do not need to adopt other transmission medium.Mobile phone or smart mobile phone have OTG interface, so the present invention to start with the optical communication receiving system erected based on OTG from OTG interface, from application, mobile phone carries out one-way communication by light and network.
Above-mentioned situation result in the problem of the following aspects: (1), for connected to the network by light path with mobile phone, general mobile phone does not support optical receiver, so the present invention carries out useful luminous flux letter by peripheral hardware; (2) general mobile phone USB cannot normally be connected with optical module, so the present invention's mobile phone OTG function is connected with optical module; (3) some host computers are connected to the network without magnetic disturbance environment at needs, can produce trouble equally.
Summary of the invention
The object of the invention is to, a kind of optical communication receiving system based on OTG and optical communication method of reseptance are provided, it can allow user utilize mobile phone to be connected with external network by free space optical links simply and easily, and has radiationless, low cost, safety, green and the advantage such as healthy.
For achieving the above object, the invention provides a kind of optical communication receiving system based on OTG, comprising:
One signal optical source;
One transducer, the light signal of its Received signal strength light source;
One amplification and rectification circuit, its input is connected with the output of transducer, being for receiving, amplifying, the circuit of shaping conditioning light signal;
One interface circuit, itself and amplification and rectification circuit are the circuit for changing OTG interface signal;
One OTG interface, it is connected with interface circuit.
The present invention also provides a kind of optical communication method of reseptance based on OTG, and it adopts aforesaid system, comprises the steps:
Step 1: send data by signal optical source;
Step 2: transducer detects signal optical source and sends data optical signal, and be converted into the signal of telecommunication;
Step 3: amplification and rectification circuit, by after Electric signal processing, obtains the discernible digital signal of interface circuit;
Step 4: digital signal is converted to the signal of communication of OTG interface by interface circuit;
Step 5: by OTG interface, sends the signal that mobile device can receive.
The invention has the beneficial effects as follows, it carries out visible light communication by OTG, realizes real-time Data Transmission, utilizes mobile phone OTG function to get through the connection of visible ray and mobile phone, has radiationless, low cost, safety, green and the advantage such as healthy.
Accompanying drawing explanation
For further illustrating concrete reception content of the present invention, be described in detail as follows below in conjunction with embodiment and accompanying drawing, wherein:
Fig. 1 is system configuration schematic diagram of the present invention.
Fig. 2 is method flow diagram of the present invention.
Embodiment
For representing embodiment of the present invention more clearly further, be introduced in following embodiment and accompanying drawing, below accompanying drawing be system structural framework of the present invention and step explanation.Once erect its connected mode, simply can realize radiationless, low cost, safety, green and healthy communication mode, OTG provides power supply.
Refer to shown in Fig. 1, the invention provides a kind of optical communication receiving system based on OTG, comprising:
One signal optical source 10, this signal optical source 10 is glittering LED lamp.
One transducer 11, the light signal of its Received signal strength light source 10, this transducer 11 is photo-detector, and described photo-detector is photodiode; Transducer 11 connects amplification and rectification circuit 12, for making photosignal waveform specification identifiable design.
One amplification and rectification circuit 12, its input is connected with the output of transducer 11, being for receiving, amplifying, the circuit of shaping conditioning light signal; It is important optical communication receiver that light-receiving amplifies shaping modulate circuit, is be the link of digital signal by analog-signal transitions.
One interface circuit 13, itself and amplification and rectification circuit 12 are the circuit for changing OTG interface signal; Interface circuit 13 connects amplification and rectification circuit 12, connects and digital signal is converted into standard OTG signal.
One OTG interface 14, it is connected with interface circuit 13, and is connected with mobile device 15.By OTG interface 14 by OTG Signal transmissions to mobile device 15; OTG interface is the interface of standard OTG differential signal, and equipment is connected with mobile device communication by these signals.
One mobile device 15, after mobile device 15 receives signal, further processing signals.Mobile device can be mobile phone, and smart mobile phone etc. support the electronic equipment of OTG.
The overall work principle of said system is: after transducer receives light signal, by the electric signal transmission after conversion to optical signal amplification shaping circuit, is then converted to OTG signal through interface circuit and sends mobile device process to.
Refer to Fig. 2, and Fig. 1 is consulted in combination, the invention provides a kind of optical communication method of reseptance based on OTG, it is the system described in Fig. 1, comprises the steps:
Step 1: send data by signal optical source 10, this signal optical source 10 is glittering LED lamp;
Step 2: transducer 11 detects signal optical source 10 and sends data optical signal, and is converted into the signal of telecommunication, this transducer 11 is photo-detector, and this photo-detector is photodiode;
Step 3: amplification and rectification circuit 12, by after Electric signal processing, obtains the discernible digital signal of interface circuit 13;
Step 4: digital signal is converted to the signal of communication of OTG interface 14 by interface circuit 13;
Step 5: by OTG interface 14, sends the signal that mobile device 15 can receive.
A kind of optical communication method of reseptance based on OTG and system can allow user simple, easily, utilize mobile phone to be connected with external network by free space optical links, and have the advantages such as radiationless, low cost, safety, green, health, directly use OTG to power.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1., based on an optical communication receiving system of OTG, comprising:
One signal optical source;
One transducer, the light signal of its Received signal strength light source;
One amplification and rectification circuit, its input is connected with the output of transducer, being for receiving, amplifying, the circuit of shaping conditioning light signal;
One interface circuit, itself and amplification and rectification circuit are the circuit for changing OTG interface signal;
One OTG interface, it is connected with interface circuit.
2. the optical communication receiving system based on OTG according to claim 1, wherein this signal optical source is glittering LED lamp.
3. the optical communication receiving system based on OTG according to claim 1, wherein transducer is photo-detector.
4. the optical communication receiving system based on OTG according to claim 3, wherein photo-detector is photodiode.
5., based on an optical communication method of reseptance of OTG, it adopts system according to claim 1, comprises the steps:
Step 1: send data by signal optical source;
Step 2: transducer detects signal optical source and sends data optical signal, and be converted into the signal of telecommunication;
Step 3: amplification and rectification circuit, by after Electric signal processing, obtains the discernible digital signal of interface circuit;
Step 4: digital signal is converted to the signal of communication of OTG interface by interface circuit;
Step 5: by OTG interface, sends the signal that mobile device can receive.
6. the optical communication method of reseptance based on OTG according to claim 5, wherein this signal optical source is glittering LED lamp.
7. the optical communication method of reseptance based on OTG according to claim 5, wherein transducer is photo-detector.
8. the optical communication method of reseptance based on OTG according to claim 7, wherein photo-detector is photodiode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410573438.9A CN104301043A (en) | 2014-10-23 | 2014-10-23 | Optical communication receiving system and method based on OTG |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410573438.9A CN104301043A (en) | 2014-10-23 | 2014-10-23 | Optical communication receiving system and method based on OTG |
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| Publication Number | Publication Date |
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| CN104301043A true CN104301043A (en) | 2015-01-21 |
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| CN201410573438.9A Pending CN104301043A (en) | 2014-10-23 | 2014-10-23 | Optical communication receiving system and method based on OTG |
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| CN103647572A (en) * | 2013-12-06 | 2014-03-19 | 镇江市星禾物联科技有限公司 | Wireless mobile communication equipment |
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| CN1960529A (en) * | 2005-10-31 | 2007-05-09 | 康佳集团股份有限公司 | Mobile communication terminal of plug able function module, and method |
| WO2008144777A1 (en) * | 2007-05-24 | 2008-11-27 | Federal Law Enforcement Development Services, Inc. | Led light dongle communication system |
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Application publication date: 20150121 |