CN203552290U - Handset SD card with ultrasonic-wave far-field payment function - Google Patents
Handset SD card with ultrasonic-wave far-field payment function Download PDFInfo
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- CN203552290U CN203552290U CN201320664486.XU CN201320664486U CN203552290U CN 203552290 U CN203552290 U CN 203552290U CN 201320664486 U CN201320664486 U CN 201320664486U CN 203552290 U CN203552290 U CN 203552290U
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Abstract
The utility model discloses a handset SD card with an ultrasonic-wave far-field payment function. The handset SD card includes a storage unit, a card controller and an interface pin. The card controller is connected correspondingly with the storage unit and the interface pin. The handset SD card also includes a CPU circuit, an ultrasonic-wave transmitter and an ultrasonic-wave receiver. The CPU circuit is connected correspondingly with the card controller, the ultrasonic-wave transmitter and the ultrasonic-wave receiver. The handset SD card is used as a basal body which carries an ultrasonic-wave far-field payment system. Although the handset SD card is thicker, the handset SD card has the ultrasonic-wave far-field payment function and the identification distance of the handset SD card can reach 1-3m so that remote electronic transaction is more convenient and the handset SD card is more adaptive to the trend that electronic transaction is getting more and more popular in the modern society and more convenient to promote widely.
Description
Technical field
The utility model relates to a kind of mobile phone SD card, relates in particular to a kind of mobile phone SD card with ultrasound wave far field payment function.
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 mobile phone SD card with ultrasound wave far field payment function with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The mobile phone SD card with ultrasound wave far field payment function described in the utility model comprises storage unit, card controller and interface pin, described card controller is connected with described interface pin is corresponding with described storage unit respectively, it is characterized in that: also comprise cpu circuit, ultrasonic transmitter and ultrasonic receiver, described cpu circuit is respectively with described card controller, described ultrasonic transmitter with described ultrasonic receiver is corresponding is connected.
Particularly, described ultrasonic transmitter comprises encoder for convolution codes, modulation circuit, bandpass filter, power amplification circuit and ultrasonic transmit circuit, the input end input of described encoder for convolution codes comes from the Applied Digital data-signal of described cpu circuit, 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 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 of described demodulating convolution code device is to described cpu circuit output Applied Digital data-signal.
The beneficial effects of the utility model are:
The utility model is usingd mobile phone SD card as the matrix that carries ultrasound wave far field payment system, although its thickness is larger, but there is ultrasound wave far field payment function, its decipherment distance can reach 1～3m, make remote electronic transaction more convenient, more adapt to the trend that modern society's electronic transaction becomes more and more popular, and be convenient to extensive popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation with the mobile phone SD card of ultrasound wave far field payment function described in the utility model;
Fig. 2 is the structured flowchart of ultrasonic transmitter described in the utility model;
Fig. 3 is the structured flowchart of 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, the mobile phone SD card with ultrasound wave far field payment function described in the utility model comprises storage unit 1, card controller 2, interface pin 3, cpu circuit 4, ultrasonic transmitter 5 and ultrasonic receiver 6, card controller 2 is connected with interface pin 3 is corresponding with storage unit 1 respectively, and cpu circuit 4 is respectively with card controller 2, ultrasonic transmitter 5 with ultrasonic receiver 6 is corresponding is connected.
As depicted in figs. 1 and 2, described ultrasonic transmitter 5 comprises encoder for convolution codes, modulation circuit, bandpass filter, power amplification circuit and ultrasonic transmit circuit, the input end input of encoder for convolution codes comes from the Applied Digital data-signal of cpu circuit 4, 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 figures 1 and 3, described ultrasonic receiver 6 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 of demodulating convolution code device is to cpu circuit 4 output Applied Digital data-signals.
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, mobile phone SD described in the utility model inserts mobile phone while being stuck in application, there is the mobile phone of said function with other or other terminal device is used jointly as one of panel computer, notebook computer, POS machine form ultrasound information transmission system, carry out first determining before the payment of far field between an Applied Digital data-signal and ultrasonic signal transformation rule one to one; In payment process, 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, usings mobile phone SD card as circuit bearing substrate, the application and promoting of being more convenient for.
Claims (2)
1. a mobile phone SD card with ultrasound wave far field payment function, comprise storage unit, card controller and interface pin, described card controller is connected with described interface pin is corresponding with described storage unit respectively, it is characterized in that: also comprise cpu circuit, ultrasonic transmitter and ultrasonic receiver, described cpu circuit is respectively with described card controller, described ultrasonic transmitter with described ultrasonic receiver is corresponding is connected.
2. the mobile phone SD card with ultrasound wave far field payment function according to claim 1, it is characterized in that: described ultrasonic transmitter comprises encoder for convolution codes, modulation circuit, bandpass filter, power amplification circuit and ultrasonic transmit circuit, the input end input of described encoder for convolution codes comes from the Applied Digital data-signal of described cpu circuit, 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 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 of described demodulating convolution code device is to described cpu circuit output Applied Digital data-signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664486.XU CN203552290U (en) | 2013-10-25 | 2013-10-25 | Handset SD card with ultrasonic-wave far-field payment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664486.XU CN203552290U (en) | 2013-10-25 | 2013-10-25 | Handset SD card with ultrasonic-wave far-field payment function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552290U true CN203552290U (en) | 2014-04-16 |
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ID=50470374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320664486.XU Expired - Fee Related CN203552290U (en) | 2013-10-25 | 2013-10-25 | Handset SD card with ultrasonic-wave far-field payment function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552290U (en) |
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2013
- 2013-10-25 CN CN201320664486.XU patent/CN203552290U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |