CN203503002U - Ultrasonic wave-based far-field payment system - Google Patents
Ultrasonic wave-based far-field payment system Download PDFInfo
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- CN203503002U CN203503002U CN201320659481.8U CN201320659481U CN203503002U CN 203503002 U CN203503002 U CN 203503002U CN 201320659481 U CN201320659481 U CN 201320659481U CN 203503002 U CN203503002 U CN 203503002U
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Abstract
The utility model discloses an ultrasonic wave-based far-field payment system comprising two or more than two ultrasonic terminals. Ultrasonic transmitting devices for converting application digital data signals into ultrasonic signals and ultrasonic receiving devices for converting ultrasonic signals into application digital data signals are arranged inside the ultrasonic terminals. With the system, convention function units of mobile terminals like a mobile phone can be utilized without special hardware modification on the mobile terminals; long-distance data exchange between ultrasonic terminals of mobile terminals like user terminals or between the ultrasonic terminal of the user terminal and an ultrasonic terminal of a reception terminal like a management center terminal can be realized, wherein the distance can reach 1 to 3 m; and thus the long-distance electronic transaction become convenient, so that the system can be popularized widely and conveniently.
Description
Technical field
The utility model relates to a kind of payment system, relates in particular to a kind of far field payment system based on ultrasound signal transmission.
Background technology
Along with going deep into of E-business applications, particularly at O2O(Online To Offline) under pattern promotes, market needs to meet by mobile terminals such as mobile phones more carries out the application power that electronic transaction is accepted.At present, industry is placed on principal focal point in the application based on SWP technical manual, and to realize NFC ability, its main implementation has three kinds: (1) is based on NFC-SIM card; (2) based on NFC-SD card; (3) audio frequency near field payment system.There is a common defect in these traditional modes of payments: transaction distance is very near, generally within the scope of 1 meter, but along with the widespread use of paying by mails, often need the more remote electronic transaction mode just more can practical requirement, otherwise may have a strong impact on too much payment speed because pay personnel simultaneously, lower efficiency, be unfavorable for the benign development of electronic transaction.
Utility model content
The purpose of this utility model provides a kind of based on hyperacoustic far field payment system with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Described in the utility modelly based on hyperacoustic far field payment system, comprise two or more ultrasound wave terminals, in described ultrasound wave terminal, be provided with one for Applied Digital data-signal being converted into the ultrasonic transmission device of ultrasonic signal and one for ultrasonic signal being converted into the ultrasonic probe, ultrasonic receiver of Applied Digital data-signal.
Particularly, described ultrasonic transmission device comprises encoder for convolution codes, modulation circuit, bandpass filter, power amplification circuit and ultrasonic transmit circuit, the input end input Applied Digital data-signal of described encoder for convolution codes, the output terminal of described encoder for convolution codes is connected with the input end of described modulation circuit, the output terminal of described modulation circuit is connected with the input end of described bandpass filter, the output terminal of described bandpass filter is connected with the input end of described power amplifier, the output terminal of described power amplifier is connected with the input end of described ultrasonic transmit circuit, the output terminal output ultrasonic wave signal of described ultrasonic transmit circuit, described ultrasonic probe, ultrasonic receiver comprises ultrasound wave receiving circuit, pre-amplification circuit, bandwidth-limited circuit, automatic gain control circuit, demodulator circuit and convolutional code decoder device, the input end input ultrasonic signal of described ultrasound wave receiving circuit, the output terminal of described ultrasound wave receiving circuit is connected with the input end of described pre-amplification circuit, the output terminal of described pre-amplification circuit is connected with the input end of described bandwidth-limited circuit, the output terminal of described bandwidth-limited circuit is connected with the input end of described automatic gain control circuit, the output terminal of described automatic gain control circuit is connected with the input end of described demodulator circuit, the output terminal of described demodulator circuit is connected with the input end of described convolutional code decoder device, the output terminal output Applied Digital data-signal of described demodulating convolution code device.
Particularly, described ultrasound wave terminal is one of mobile phone, panel computer, notebook computer, POS machine.
The beneficial effects of the utility model are:
By the utility model, can utilize the conventional func unit of the mobile terminals such as mobile phone, without mobile terminal is carried out to special hardware transformation, only need process means by simple technique, can realize mobile terminal is between the ultrasound wave terminal of user side, the ultrasound wave terminal of user side or and accepting terminal be remote (distance can the reach 1～3m) exchanges data between the ultrasound wave terminal of end of administrative center, make remote electronic transaction more convenient, be convenient to extensive popularization.
Accompanying drawing explanation
Fig. 1 is the general structure block diagram based on hyperacoustic far field payment system described in the utility model;
Fig. 2 is the structured flowchart of ultrasonic transmission device described in the utility model;
Fig. 3 is the structured flowchart of ultrasonic probe, ultrasonic receiver described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, described in the utility modelly based on hyperacoustic far field payment system, comprise two or more ultrasound wave terminals, in ultrasound wave terminal, be provided with one for Applied Digital data-signal being converted into the ultrasonic transmission device of ultrasonic signal and one for ultrasonic signal being converted into the ultrasonic probe, ultrasonic receiver of Applied Digital data-signal.The quantity of the ultrasound wave terminal in this payment system is the amount doesn't matter, is at least two, also can, for more than two, is two ultrasound wave terminals in this example; Ultrasound wave terminal is one of mobile phone, panel computer, notebook computer, POS machine.
As shown in Figure 2, described ultrasonic transmission device comprises encoder for convolution codes, modulation circuit, bandpass filter, power amplification circuit and ultrasonic transmit circuit, the input end input Applied Digital data-signal of encoder for convolution codes, the output terminal of encoder for convolution codes is connected with the input end of modulation circuit, the output terminal of modulation circuit is connected with the input end of bandpass filter, the output terminal of bandpass filter is connected with the input end of power amplifier, the output terminal of power amplifier is connected with the input end of ultrasonic transmit circuit, the output terminal output ultrasonic wave signal of ultrasonic transmit circuit.
As shown in Figure 3, described ultrasonic probe, ultrasonic receiver comprises ultrasound wave receiving circuit, pre-amplification circuit, bandwidth-limited circuit, automatic gain control circuit, demodulator circuit and convolutional code decoder device, the input end input ultrasonic signal of ultrasound wave receiving circuit, the output terminal of ultrasound wave receiving circuit is connected with the input end of pre-amplification circuit, the output terminal of pre-amplification circuit is connected with the input end of bandwidth-limited circuit, the output terminal of bandwidth-limited circuit is connected with the input end of automatic gain control circuit, the output terminal of automatic gain control circuit is connected with the input end of demodulator circuit, the output terminal of demodulator circuit is connected with the input end of convolutional code decoder device, the output terminal output Applied Digital data-signal of demodulating convolution code device.
Above-mentioned encoder for convolution codes, modulation circuit, bandpass filter, power amplification circuit, ultrasonic transmit circuit, ultrasound wave receiving circuit, pre-amplification circuit, bandwidth-limited circuit, automatic gain control circuit, demodulator circuit and convolutional code decoder device all adopt custom circuit.
In conjunction with Fig. 1-Fig. 3, far field described in the utility model payment system is in when application, first determines between an Applied Digital data-signal and ultrasonic signal transformation rule one to one; At transmitting terminal, first Applied Digital data-signal is converted into ultrasonic signal by described transformation rule by ultrasonic transmission device, then sends; At receiving end, the ultrasonic signal that first receiving end/sending end sends, then the ultrasonic signal receiving is converted into Applied Digital data-signal by described transformation rule by ultrasonic probe, ultrasonic receiver.Utilize ultrasound wave as signal transmission medium, having concurrently can wireless transmission and the advantage of far field transaction, is convenient to application and promotes.
Claims (3)
1. one kind based on hyperacoustic far field payment system, it is characterized in that: comprise two or more ultrasound wave terminals, in described ultrasound wave terminal, be provided with one for Applied Digital data-signal being converted into the ultrasonic transmission device of ultrasonic signal and one for ultrasonic signal being converted into the ultrasonic probe, ultrasonic receiver of Applied Digital data-signal.
2. according to claim 1 based on hyperacoustic far field payment system, it is characterized in that: described ultrasonic transmission device comprises encoder for convolution codes, modulation circuit, bandpass filter, power amplification circuit and ultrasonic transmit circuit, the input end input Applied Digital data-signal of described encoder for convolution codes, the output terminal of described encoder for convolution codes is connected with the input end of described modulation circuit, the output terminal of described modulation circuit is connected with the input end of described bandpass filter, the output terminal of described bandpass filter is connected with the input end of described power amplifier, the output terminal of described power amplifier is connected with the input end of described ultrasonic transmit circuit, the output terminal output ultrasonic wave signal of described ultrasonic transmit circuit, described ultrasonic probe, ultrasonic receiver comprises ultrasound wave receiving circuit, pre-amplification circuit, bandwidth-limited circuit, automatic gain control circuit, demodulator circuit and convolutional code decoder device, the input end input ultrasonic signal of described ultrasound wave receiving circuit, the output terminal of described ultrasound wave receiving circuit is connected with the input end of described pre-amplification circuit, the output terminal of described pre-amplification circuit is connected with the input end of described bandwidth-limited circuit, the output terminal of described bandwidth-limited circuit is connected with the input end of described automatic gain control circuit, the output terminal of described automatic gain control circuit is connected with the input end of described demodulator circuit, the output terminal of described demodulator circuit is connected with the input end of described convolutional code decoder device, the output terminal output Applied Digital data-signal of described demodulating convolution code device.
3. according to claim 1 based on hyperacoustic far field payment system, it is characterized in that: described ultrasound wave terminal is one of mobile phone, panel computer, notebook computer, POS machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320659481.8U CN203503002U (en) | 2013-10-24 | 2013-10-24 | Ultrasonic wave-based far-field payment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320659481.8U CN203503002U (en) | 2013-10-24 | 2013-10-24 | Ultrasonic wave-based far-field payment system |
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| CN203503002U true CN203503002U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320659481.8U Expired - Fee Related CN203503002U (en) | 2013-10-24 | 2013-10-24 | Ultrasonic wave-based far-field payment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104484962A (en) * | 2014-10-30 | 2015-04-01 | 深圳市易联技术有限公司 | Safety detection method and device for POS machine |
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2013
- 2013-10-24 CN CN201320659481.8U patent/CN203503002U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104484962A (en) * | 2014-10-30 | 2015-04-01 | 深圳市易联技术有限公司 | Safety detection method and device for POS machine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141024 |
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| EXPY | Termination of patent right or utility model |