CN202634448U - Ultrasonic-based information exchange system - Google Patents
Ultrasonic-based information exchange system Download PDFInfo
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- CN202634448U CN202634448U CN 201220256365 CN201220256365U CN202634448U CN 202634448 U CN202634448 U CN 202634448U CN 201220256365 CN201220256365 CN 201220256365 CN 201220256365 U CN201220256365 U CN 201220256365U CN 202634448 U CN202634448 U CN 202634448U
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- portable terminal
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Abstract
The utility model relates to an information processing technology, in particular to an ultrasonic-based indoor small-range high-accuracy information exchange system. The information exchange system is characterized by consisting of an ultrasonic transmission device, a mobile terminal and a server, wherein the ultrasonic transmission device is arranged at a specific position and used for transmitting an ultrasonic signal which is modulated in advance and comprises an equipment code and a position identification code; a microphone of the mobile terminal is used for receiving an ultrasonic and decodes the ultrasonic into the equipment code and a position code; the equipment code and the position code are transmitted to a server through a mobile network; and the server which acquires the codes transmits position service information to the mobile terminal in real time. The information exchange system has the advantages that the information exchange system is safe and reliable and has high anti-falsification performance; a mobile terminal user can position and acquire surrounding service information at any time; and the requirement of hardware configuration of the mobile terminal is low the construction cost of the ultrasonic transmission device is low, and the information exchange system is applied to popularization in large scale.
Description
Technical field
The utility model relates to the information processing technology, is specifically related to a kind of indoor high-precision among a small circle based on hyperacoustic Information Exchange System.
Background technology
Along with the development of ICT and popularizing of smart mobile phone, the location technology of portable terminal also is development in pluralism trend, and this gives carrying out of location-based service and expansion has brought infinite commercial opportunities.So-called location-based service (LBS; Location Based Services) claims positioning service again; Be meant cooperation through portable terminal and mobile network; Confirm mobile subscriber's actual geographical position, thereby the needed information on services relevant with the position of user and a kind of form of reward on total mark are provided.
At present; The location technology of portable terminal mainly comprises: reach the location based on modes such as GPS, NFC (close range wireless communication), RFID (REID), WIFI focus, bluetooth or mobile phone two-dimension codes; Yet all there is certain weak point in above-mentioned location technology in commerce is used, wherein GPS can't be implemented in indoor hi-Fix; All there is the necessary hardware infrastructural support in the location of NFC and RFID, and schemes such as transformation of the way mobile phone increase chip obviously are unfavorable for the universality and the convenience of commercial application; WIFI focus location technology is faced with shortcomings such as the focus construction cost is higher, the hardware supports rate is lower, and there is this kind problem equally in described bluetooth location technology; And the mobile phone two-dimension code location is to obtain geography information through the recognition of the camera on portable terminal two-dimension code, so have high requirement for the shooting pixel of mobile phone, does not have universal applicability equally.Therefore everybody is seeking new technical scheme; Because all mobile phone and portable terminals all have microphone; If locate through the ultrasonic wave mode, portable terminals such as existing all mobile phones all satisfy the requirement of hardware aspect, therefore are prone to satisfy the universality of business promotion.
According to the disclosed a kind of portable terminal ultrasonic communication system and method for number of patent application " 201110287685.9 "; This system mainly comprises supersonic generator and portable terminal; This portable terminal receives ultrasonic wave and therefrom demodulates the geographic information data that presets, thereby reaches the purpose of location.The weak point of this invention is that portable terminal can only demodulate the data that are preset in advance in the supersonic generator; Can't obtain data such as up-to-date information on services and integration in real time; And the geographic position data that this supersonic generator sent can't obtain remote validation, and mobile phone users is prone to receive error message even the swindle information that fake equipment is sent.
In sum, existing location technology exist equipment cost high, arrange constant, be unfavorable for popularizing and the problem of fail safe shortcoming.
Summary of the invention
The purpose of the utility model is the weak point according to above-mentioned prior art; Provide a kind of based on hyperacoustic Information Exchange System; This Information Exchange System receives the ultrasonic signal that presets device coding and position code that ultrasonic transmission device is outwards launched through the existing microphone on the portable terminal; And be decoded into device coding and position encoded through the demodulation module in the portable terminal and send to carry out the geographical position checking to server; Push the information on services relevant through server to portable terminal simultaneously, to reach location-based service based on ultrasonic locating with this geographical position.
The utility model purpose realizes being accomplished by following technical scheme:
A kind of based on hyperacoustic Information Exchange System, it is characterized in that described Information Exchange System mainly comprises ultrasonic transmission device, portable terminal and server; Described ultrasonic transmission device is made up of processor, ultrasonic wave amplifier and ultrasonic transmitting element; Described each ultrasonic transmission device is equipped with different device codings and position code, and said processor inside is provided with the setting that encrypting module is used for encrypt relation between device coding and the position code; Described portable terminal is built-in with the demodulation module of handling ultrasonic signal; Wherein said demodulation module is provided with ultrasonic signal acquisition port and data output, and described ultrasonic signal acquisition port links to each other with the existing microphone of said portable terminal, and described data output links to each other with the existing wireless network module of said portable terminal; Described server is connected through wireless network with described existing wireless network module.
Be provided with the decipher function piece in the described demodulation module, be used for encrypt relation between Authentication devices coding and the position code.
Described processor is provided with an external communication interface.
Described processor set inside has memory, and this memory inside stores described device coding and position code, and through being arranged on I/O mouth or the D/A conversion mouthful ultrasonic signal that output modulates on the processor.
Described ultrasonic transmitting element is an electroacoustic transducer.
Be provided with memory in the said server, this store memory contains information packet, be used for and said portable terminal between information exchange.
Described portable terminal can be mobile phone, panel computer or notebook computer.
The utility model has the advantages that; The safe and reliable antifalsification of Information Exchange System is high, and peripheral information on services can located and obtain to mobile phone users at any time, and is low for the Hardware configuration requirement of portable terminal; The ultrasonic transmission device construction cost is low, and suitable large-scale promotion is popularized.
Description of drawings
Fig. 1 is the Information Exchange System sketch map of the utility model;
Fig. 2 is the ultrasonic wave amplifier fundamental diagram of the utility model;
Fig. 3 is the ultrasonic emitting flow chart of the utility model;
Fig. 4 is the preferred ultrasonic wave amplifier fundamental diagram of the utility model.
Embodiment
Through embodiment characteristic and other correlated characteristic of the utility model are done further explain below in conjunction with accompanying drawing, so that technical staff's of the same trade understanding:
Like Fig. 1-4, mark 1-4 is respectively among the figure: portable terminal 1, ultrasonic transmission device 2, server 3, microphone 4.
Embodiment 1: as shown in Figure 1, present embodiment relates to the information processing technology, is specifically related to a kind of indoor high-precision among a small circle based on hyperacoustic Information Exchange System.This Information Exchange System mainly is made up of portable terminal 1, ultrasonic transmission device 2 and server 3.Each ultrasonic transmission device 2 all is assigned different device codings and position code, has specific cryptographic calculation relation between these two codings.When ultrasonic transmission device 2 outwards sends the ultrasonic signal of the information of presetting; Existing microphone 4 on the portable terminal 1 receives this ultrasonic signal; And accomplish the decoding of ultrasonic signal through a demodulation module; Thereby learn the position encoded of ultrasonic transmission device 2, portable terminal 2 is position encoded to server 3 transmissions through wireless network or mobile communications network thereafter, obtains position encoded server 3 pushes positional information and this position periphery immediately to portable terminal 1 information on services.
As shown in Figure 2; The concrete operation principle of said ultrasonic wave amplifier is: the said 20.5khz CF signal that need launch is coupled to the level-conversion circuit of Q1, Q2 formation through R1; And control realization power through the switch of Q3 and export, the power output of Q3 is launched through the impedance conversion rear drive piezoelectric ceramic loudspeaker completion of T.Wherein, R3 is a DC load, and R2 is the dc impedance of what T series connection, is used to limit electric current and the impedance matching of Q3, and C1 is a power filtering capacitor.
Be illustrated in figure 3 as the software flow pattern of present embodiment ultrasonic emitting; Behind the single-chip microcomputer electrification reset in the ultrasonic transmission device 2; At first carry out initialization; Export the device coding of 8 bytes then through the PWM mouth, and then export the position encoded of 8 bytes then, wait for that at last 300ms begins transmitting apparatus coding and position encoded circulation once more after the time.
Described demodulation module at first collects ultrasonic signal through microphone existing on the portable terminal 14; And through the special operation method of deciphering module utilization with the ultrasonic signal decoding to obtain device coding and position encoded; And checking apparatus coding and position encoded checking relation; Promptly carry out the DES deciphering; If device coding and position encoded has correct DES operation relation, then this software sends these two codings through wireless network module existing in the portable terminal 1 to long-range server 3, is complementary with the information packet that is stored in it after position encoded accurately when server 3 obtains; Call and these position encoded relevant data, and to the portable terminal 1 instant information on services that pushes positional information and this position periphery.Below be the concrete reception flow process of portable terminal:
1. memory is accepted in initialization, distributes 16 bytes of memory spaces, and all puts 0;
2. begin received ultrasonic signal;
3. open timer, receive the voice data of 400ms;
4. analyze the data that receive,, seek the starting point of decoding to be basis for estimation greater than 100ms.Found just as the decoding that begins to carry out 16 bytes;
5. the data of preceding 8 bytes of decoded data are carried out the DES computing with the key that is stored in the equipment, if the data that obtain are with decode position encoded consistent then accomplish reception process one time;
6. otherwise jump to 2 and restart.
Present embodiment has been realized indoor location among a small circle preferably through ultrasonic transmission device 2 and server 3.
Embodiment 2: be illustrated in figure 4 as the preferred ultrasonic wave amplifier fundamental diagram of the utility model, through the digital switch device, for example 4069 circuit such as grade are realized a differential driving, and its concrete operation principle is following:
1. the data modulated signal that need amplify is from the 13 pin input of U1F;
2. 11 pin that once about 10 times inverse analog amplifies and be sent to U1E have been accomplished through U1F;
3. U1E is operated under the on off state, has realized a signals reverse effect;
4. U1A and U1B have accomplished the homophase amplification of signal;
5. U1C and U1D have accomplished the anti-phase amplification of signal;
6. LS1 is a piezoelectric ceramic loudspeaker, by the digital differential drives of U1A, U1B and U1C, U1D formation;
7. R111 and R112 are in order to improve high level promotion ability and to be provided with.
Claims (7)
1. one kind based on hyperacoustic Information Exchange System, it is characterized in that described Information Exchange System mainly comprises ultrasonic transmission device, portable terminal and server; Described ultrasonic transmission device is made up of processor, ultrasonic wave amplifier and ultrasonic transmitting element, and described each ultrasonic transmission device is equipped with different device codings and position code, and said processor inside is provided with encrypting module; Described portable terminal is built-in with the demodulation module of handling ultrasonic signal; Wherein said demodulation module is provided with ultrasonic signal acquisition port and data output, and described ultrasonic signal acquisition port links to each other with the existing microphone of said portable terminal, and described data output links to each other with the existing wireless network module of said portable terminal; Described server is connected through wireless network with described existing wireless network module.
2. according to claim 1 a kind of based on hyperacoustic Information Exchange System, it is characterized in that being provided with in the described demodulation module decipher function piece.
3. according to claim 1 a kind of based on hyperacoustic Information Exchange System, it is characterized in that described processor is provided with an external communication interface.
4. according to claim 1 a kind of based on hyperacoustic Information Exchange System; It is characterized in that described processor set inside has memory; This memory inside stores described device coding and position code, and through being arranged on I/O mouth or the D/A conversion mouthful ultrasonic signal that output modulates on the processor.
5. according to claim 1 a kind of based on hyperacoustic Information Exchange System, it is characterized in that described ultrasonic transmitting element is an electroacoustic transducer.
6. according to claim 1 a kind of based on hyperacoustic Information Exchange System, it is characterized in that being provided with memory in the said server, this store memory contains information packet, be used for and said portable terminal between information exchange.
7. according to claim 1 a kind of based on hyperacoustic Information Exchange System, it is characterized in that described portable terminal can be mobile phone, panel computer or notebook computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220256365 CN202634448U (en) | 2012-06-01 | 2012-06-01 | Ultrasonic-based information exchange system |
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|---|---|---|---|
| CN 201220256365 CN202634448U (en) | 2012-06-01 | 2012-06-01 | Ultrasonic-based information exchange system |
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| CN 201220256365 Expired - Fee Related CN202634448U (en) | 2012-06-01 | 2012-06-01 | Ultrasonic-based information exchange system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014121434A1 (en) * | 2013-02-05 | 2014-08-14 | 北京印声科技有限公司 | Method and apparatus for positioning mobile device |
| CN104103269A (en) * | 2014-06-30 | 2014-10-15 | 上海科泰信息技术有限公司 | Audio identification electronic tag |
| CN104463610A (en) * | 2015-01-07 | 2015-03-25 | 苏州触达信息技术有限公司 | Ultrasonic wave anti-fake device and method |
| CN104683947A (en) * | 2014-12-19 | 2015-06-03 | 上海虎符通信科技股份有限公司 | Acoustic wave-based indoor positioning method and business information pushing method |
-
2012
- 2012-06-01 CN CN 201220256365 patent/CN202634448U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014121434A1 (en) * | 2013-02-05 | 2014-08-14 | 北京印声科技有限公司 | Method and apparatus for positioning mobile device |
| CN104995988A (en) * | 2013-02-05 | 2015-10-21 | 张江红 | Method and apparatus for positioning mobile device |
| CN104103269A (en) * | 2014-06-30 | 2014-10-15 | 上海科泰信息技术有限公司 | Audio identification electronic tag |
| CN104683947A (en) * | 2014-12-19 | 2015-06-03 | 上海虎符通信科技股份有限公司 | Acoustic wave-based indoor positioning method and business information pushing method |
| CN104463610A (en) * | 2015-01-07 | 2015-03-25 | 苏州触达信息技术有限公司 | Ultrasonic wave anti-fake device and method |
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Effective date of registration: 20150922 Address after: 200090, room 2588, 601-6 Changyang Road, Shanghai, Yangpu District Patentee after: SHANGHAI DIANSHA NETWORK TECHNOLOGY CO., LTD. Address before: 200040 Shanghai City, Jingan District Changde Road 788 Lane 5, room 101 Patentee before: Shanghai monarch's dagger-axe network technology company limited |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20170601 |
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