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Payment circuit of mobile payment terminal

A mobile payment and circuit technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problem of high cost and achieve the effect of low cost

Active Publication Date: 2014-12-17
SHENZHEN IBOX INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the embodiment of the present invention is to provide a payment circuit of a mobile payment terminal, aiming to solve the problem of high cost of the existing technical solutions

Method used

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  • Payment circuit of mobile payment terminal
  • Payment circuit of mobile payment terminal
  • Payment circuit of mobile payment terminal

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Embodiment Construction

[0014] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0015] A payment circuit of a mobile payment terminal provided by the present invention, the structure of the circuit is as follows figure 2 As shown, it includes: a DC-blocking rectifier circuit 21, a voltage stabilizing circuit 22 and a single-chip microcomputer 23; wherein, the DC-blocking rectifier circuit 21 includes: a capacitor C1, a diode D1 and a diode D2, and one end of the capacitor C1 is connected to one end of the earphone audio signal input , the other end of the capacitor C1 is connected to the anode of the diode D2 and the cathode of the diode D1 respectively; end connection.

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Abstract

The invention is suitable for the field of payment, and provides a payment circuit of a mobile payment terminal, which comprises a voltage-stabilizing circuit and a singlechip, and also comprises a blocking rectifier capacitor, wherein the blocking rectifier capacitor comprises a capacitor C1, a diode D1 and a diode D2, wherein one end of the capacitor C1 is connected with the audio signal input end of an earphone, the other end of the capacitor C1 is respectively connected with the anode of the diode D2 and the cathode of the diode D1; and the anode of the diode D1 is connected with the other audio signal input end of the earphone and then grounded, and the cathode of the diode D2 is connected with one input end of the singlechip through the voltage-stabilizing circuit. The technical scheme provided by the invention has the advantage of low cost.

Description

technical field [0001] The invention belongs to the field of electronic payment, in particular to a payment circuit of a mobile payment terminal. Background technique [0002] With the innovation and development of science and technology, mobile terminals are more and more widely used, and bank card payment terminals are also developing from traditional POS machines + computer systems to payment terminals + mobile phone systems. Since the USB ports of various brands of mobile phones have great differences in shape, while the shape and electrical definition of the earphone port of mobile phones are the same, so currently using the earphone jack to connect the payment terminal and the mobile phone is the preferred solution. Once the payment terminal is powered through the earphone jack, the entire payment terminal will be simpler. [0003] The channel signal output by the headphone jack of the mobile phone is composed of a very strong DC-blocked audio signal and a very weak D...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 韩昌雷郑玉峰
Owner SHENZHEN IBOX INFORMATION TECH CO LTD