CN102956069A - Mobile payment system and card reader thereof, mobile payment terminal and distance determination method - Google Patents
Mobile payment system and card reader thereof, mobile payment terminal and distance determination method Download PDFInfo
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- CN102956069A CN102956069A CN 201110246688 CN201110246688A CN102956069A CN 102956069 A CN102956069 A CN 102956069A CN 201110246688 CN201110246688 CN 201110246688 CN 201110246688 A CN201110246688 A CN 201110246688A CN 102956069 A CN102956069 A CN 102956069A
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Abstract
The invention provides a mobile payment system and a card reader thereof, a mobile payment terminal and a distance determination method. The mobile payment system comprises the mobile payment terminal and the card reader, a magnetic field generation module is arranged in one of the mobile payment terminal and the card reader and used for generating a magnetic field with intensity and direction varying along with transmission distance, and a magnetic field detection module, a memory module and a master control module are arranged in the other one of the mobile payment terminal and the card reader. The magnetic field detection module is used for detecting intensity and direction of the received magnetic field, the variation relation of the intensity and direction of the magnetic field along with the transmission distance is stored in the memory module, and the master control module is used for determining the distance between the mobile payment terminal and the card reader according to the detected intensity and direction and the variation relation. Accordingly, more accurate distance judgment can be provided, and mobile payment communication distance can be further controlled.
Description
[technical field]
The present invention relates to the communications field, relate in particular to a kind of mobile-payment system and card reader thereof, Mobile payment terminal and method for measuring distance.
[background technology]
Mobile payment, be also referred to as mobile-phone payment, allow exactly the user to use its Mobile payment terminal (normally mobile phone also comprises PDA (Personal Digital Assistant, palm PC) etc.) that a kind of method of service that account is paid is carried out in commodity or the service of consuming.At present main mobile payment technology mainly is divided in the world: NFC (Near Field Communication, near field communication (NFC)), eNFC (enhanced Near Field Communication, enhanced near field wireless communication technique), SIM-PASS (Mobile phone card card-reading system), RFID-SIM (double-interface smart card), RFID-SD etc.
In the mobile payment process, must control the distance between Mobile payment terminal and the card reader, for example, the wireless communication distance of control RFID-SIM card and RFID card reader is within the specific limits.Therefore, the control of above-mentioned wireless communication distance just becomes a great problem in mobile payment field.
[summary of the invention]
The invention provides a kind of mobile-payment system and card reader thereof, Mobile payment terminal and method for measuring distance, can effectively measure the distance between Mobile payment terminal and the card reader, and then effectively control wireless communication distance between the two.
The invention provides a kind of mobile-payment system and card reader thereof, Mobile payment terminal and method for measuring distance.This mobile-payment system comprises Mobile payment terminal and card reader, be provided with magnetic field in one in Mobile payment terminal and the card reader module occurs, magnetic field occur module for generation of intensity and direction with the transmission range changing magnetic field, be provided with the detection of magnetic field module in Mobile payment terminal and the card reader another, memory module and main control module, wherein the detection of magnetic field module is used for surveying intensity and the direction in the magnetic field that receives, memory module stores the intensity in magnetic field and direction with the variation relation of transmission range, and main control module is determined distance between Mobile payment terminal and the card reader according to the intensity that detects and direction and variation relation.
According to one preferred embodiment of the present invention, module occurs and is arranged on the card reader in magnetic field, and detection of magnetic field module, memory module and main control module are arranged on the Mobile payment terminal.
According to one preferred embodiment of the present invention, Mobile payment terminal comprises the RFID-SIM card.
According to one preferred embodiment of the present invention, memory module and main control module further are arranged in the RFID-SIM card.
According to one preferred embodiment of the present invention, magnetic field is static magnetic field or alternating magnetic field.
According to one preferred embodiment of the present invention, further be loaded with the data that need transmission on the magnetic field.
The present invention further provides a kind of card reader of mobile-payment system, be provided with detection of magnetic field module, memory module and main control module in this card reader, wherein the detection of magnetic field module is used for surveying intensity and the direction from the magnetic field that Mobile payment terminal receives, memory module stores the intensity in magnetic field and direction with the variation relation of the transmission range in magnetic field, and main control module is determined distance between Mobile payment terminal and the card reader according to the intensity that detects and variation relation.
The present invention further provides a kind of Mobile payment terminal of mobile-payment system, be provided with detection of magnetic field module, memory module and main control module in this Mobile payment terminal, wherein the detection of magnetic field module is used for surveying intensity and the direction from the magnetic field that card reader receives, memory module stores the intensity in magnetic field and direction with the variation relation of the transmission range in magnetic field, and main control module is determined distance between Mobile payment terminal and the card reader according to the intensity that detects and direction and variation relation.
According to one preferred embodiment of the present invention, Mobile payment terminal comprises the RFID-SIM card, and described memory module and described main control module further are arranged in the described RFID-SIM card.
The present invention further provides a kind of method for measuring distance of mobile-payment system, this method for measuring distance comprises: by one in Mobile payment terminal and card reader magnetic field that receives another emission; The intensity in the magnetic field that detection receives and direction; Determine distance between Mobile payment terminal and the card reader according to the variation relation of the transmission range in the intensity in the intensity that detects and direction and magnetic field and direction and magnetic field.
By the way, carry out distance test between Mobile payment terminal and the card reader by intensity and direction with the transmission range changing magnetic field, more accurately Distance Judgment can be provided, and then the communication distance of control mobile payment, user experience quality promoted.
[description of drawings]
Fig. 1 is the schematic block diagram of the first embodiment of a kind of mobile-payment system of the present invention.
Fig. 2 is the schematic block diagram of the second embodiment of a kind of mobile-payment system of the present invention.
Fig. 3 is the process flow diagram of the method for measuring distance of Fig. 1 or mobile-payment system shown in Figure 2.
Fig. 4 is the schematic block diagram of the 3rd embodiment of a kind of mobile-payment system of the present invention.
Fig. 5 is the schematic block diagram of the 4th embodiment of a kind of mobile-payment system of the present invention.
Fig. 6 is the process flow diagram of the method for measuring distance of Fig. 4 or mobile-payment system shown in Figure 5.
[embodiment]
Below in conjunction with drawings and Examples invention is elaborated.
In the following embodiments, to describe the present invention as an example of RFID-SIM card and RFID card reader example, but those skilled in the art can expect applying the present invention in other mobile-payment system that need to measure distance between Mobile payment terminal and the card reader fully.
As shown in Figure 1, Fig. 1 is the schematic block diagram of the first embodiment of a kind of mobile-payment system of the present invention.Mobile-payment system of the present invention comprises card reader 10 and Mobile payment terminal 20.
As shown in Figure 1, in the present embodiment, be provided with magnetic field in the card reader 10 module 11 occurs.Magnetic field occur module 11 for generation of intensity and direction with the transmission range changing magnetic field, the magnetic field that for example produces is static magnetic field, the magnetic field that perhaps produces is alternating magnetic field.But, no matter adopt which kind of magnetic field, the intensity in this magnetic field is or/and direction will keep known variation relation with transmission range, namely in a certain particular moment, for a certain specific transmission range, the intensity in magnetic field is or/and direction is known and different from other transmission range.General, the intensity in magnetic field is or/and have certain funtcional relationship between direction and the transmission range.In a preferred embodiment, can further the data that need to transmit be loaded (modulation) to magnetic field.
As shown in Figure 1, in the present embodiment, Mobile payment terminal 20 is preferably mobile phone.Be provided with detection of magnetic field module 21, main control module 22, memory module 23 and RFID-SIM card 24 in the Mobile payment terminal 20.The magnetic field that module 11 produces occurs in the magnetic field that detection of magnetic field module 21 is used for reception card reader 10, and surveys intensity and the direction in the magnetic field that receives.Store the intensity in magnetic field and direction in the memory module 23 with the variation relation of transmission range.For example, but the functional relation of the intensity of memory module 23 storage tapes and direction and transmission range or represent the intensity in magnetic field and the question blank of the variation relation between direction and the transmission range.
The variation relation of storing in the intensity in the magnetic field that main control module 22 detects according to detection of magnetic field module 21 and direction and the memory module 23 is determined the distance between card reader 10 and the Mobile payment terminal 20.
For example, main control module 22 can solve corresponding transmission range value with intensity and the above-mentioned functional relation of direction substitution in the magnetic field detected, perhaps intensity and the direction according to the magnetic field of detecting inquires corresponding transmission range value in above-mentioned question blank, and this transmission range value is the distance between card reader 10 and the Mobile payment terminal 20.In addition, main control module 22 can also further demodulate required data from magnetic field, realize thus shaking hands between card reader 20 and the Mobile payment terminal 10.
Further, the card reader 10 interior payment communication modules 12 that further arrange.At this moment, whether main control module 22 further judges distance between Mobile payment terminal 20 and the card reader 10 less than threshold distance, if less than threshold distance, and further control RFID-SIM cards 24 and pay communication module 12 and pay communication of main control module 22 then.
In other embodiments, main control module 22 and memory module 23 further are arranged in the RFID-SIM card 24, and namely main control module and the memory module by RFID-SIM card 24 inside realizes above-mentioned functions.
As shown in Figure 2, Fig. 2 is the schematic block diagram of the second embodiment of a kind of mobile-payment system of the present invention.Mobile-payment system of the present invention comprises card reader 30 and Mobile payment terminal 40.
As shown in Figure 2, in the present embodiment, Mobile payment terminal 40 is mobile phone.Be provided with magnetic field in the Mobile payment terminal 40 module 41 and RFID-SIM card 42 occur.Magnetic field occur module 41 for generation of intensity and direction with the transmission range changing magnetic field, the magnetic field that for example produces is static magnetic field, the magnetic field that perhaps produces is alternating magnetic field.But, no matter adopting which kind of magnetic field, the intensity in this magnetic field and direction will keep known variation relation with transmission range, and namely in a certain particular moment, for a certain specific transmission range, the intensity in magnetic field and direction are known and different from other transmission range.General, have certain funtcional relationship between the intensity in magnetic field and direction and the transmission range.In a preferred embodiment, the data that can further needs be transmitted load (modulation) to magnetic field.
As shown in Figure 2, in the present embodiment, be provided with detection of magnetic field module 31, main control module 32 and memory module 33 in the card reader 30.The magnetic field that module 41 produces occurs in the magnetic field that detection of magnetic field module 31 is used for reception Mobile payment terminal 40, and surveys intensity and the direction in the magnetic field that receives.Store the intensity in magnetic field and direction in the memory module 33 with the variation relation of transmission range.For example, but the functional relation of the intensity of memory module 33 storage tapes and direction and transmission range or represent the intensity in magnetic field and the question blank of the variation relation between direction and the transmission range.
The variation relation of storing in the intensity in the magnetic field that main control module 32 detects according to detection of magnetic field module 31 and direction and the memory module 33 is determined the distance between card reader 30 and the Mobile payment terminal 40.
For example, main control module 32 can solve corresponding transmission range value with intensity and the above-mentioned functional relation of direction substitution in the magnetic field detected, perhaps intensity and the direction according to the magnetic field of detecting inquires corresponding transmission range value in above-mentioned question blank, and this distance value is the distance between Mobile payment terminal 30 and the card reader 40.In addition, main control module 32 can also further demodulate required data from magnetic field, realize thus shaking hands between card reader 30 and the Mobile payment terminal 40.
Further, the card reader 30 interior payment communication modules 34 that further arrange.At this moment, whether main control module 32 further judges distance between Mobile payment terminal 40 and the card reader 30 less than threshold distance, if less than threshold distance, then main control module 32 further control pay communication modules 34 and RFID-SIM card 42 is paid communication.
As shown in Figure 3, Fig. 3 is the schematic flow sheet of Fig. 1 or mobile-payment system method for measuring distance shown in Figure 2.
In step 50, by one in Mobile payment terminal and card reader magnetic field that receives another emission.Wherein, intensity and the direction in magnetic field change with transmission range, and for example the magnetic field of emission is static magnetic field, and perhaps the magnetic field of emission is alternating magnetic field.But, no matter adopting which kind of magnetic field, the intensity in this magnetic field and direction will keep known variation relation with transmission range, and namely in a certain particular moment, for a certain specific transmission range, the intensity in magnetic field and direction are known and different from other transmission range.General, have certain funtcional relationship between the intensity in magnetic field and direction and the transmission range.
In step 51, survey intensity and the direction in the magnetic field that receives.
In step 52, determine distance between Mobile payment terminal and the card reader according to the variation relation of the intensity in the intensity in the magnetic field of detecting and direction and magnetic field and direction and transmission range.For example, intensity and the above-mentioned functional relation of direction substitution in the magnetic field detected solved corresponding transmission range value, this transmission range value is the distance between card reader and the Mobile payment terminal.
Further, the distance between judgement card reader and the Mobile payment terminal is less than threshold distance, if less than threshold distance, then card reader and Mobile payment terminal are paid communication.
In the present invention, be preferably: in step 50, received the magnetic field of card reader emission by Mobile payment terminal.In step 51 and step 52, surveyed intensity and the direction in the magnetic field receive by Mobile payment terminal, and determine distance between Mobile payment terminal and the card reader according to the variation relation of the intensity in the intensity that detects and direction and magnetic field and direction and transmission range.The variation relation of the intensity in magnetic field and direction and transmission range is stored in the Mobile payment terminal.Concrete, but the functional relation of the intensity of storage tape and direction and transmission range or represent the intensity in magnetic field and the question blank of the variation relation between the transmission range in the Mobile payment terminal.And in step 52, can in above-mentioned question blank, inquire corresponding distance value according to intensity and the direction in the magnetic field of detecting.
As shown in Figure 4, Fig. 4 is the schematic block diagram of the 3rd embodiment of a kind of mobile-payment system of the present invention.Mobile-payment system of the present invention comprises card reader 60 and Mobile payment terminal 70.
As shown in Figure 4, in the present embodiment, be provided with the first magnetic field in the card reader 60 module 61, the first magnetic field detection module 62 and the first main control module 63 occur.Wherein, the first magnetic field that module 61 changes with transmission range for generation of intensity and direction occurs in the first magnetic field.The magnetic field that for example produces is static magnetic field, and the magnetic field that perhaps produces is alternating magnetic field.But, no matter adopt which kind of magnetic field, the intensity in this magnetic field is or/and direction will keep known variation relation with transmission range, namely in a certain particular moment, for a certain specific transmission range, the intensity in magnetic field is or/and direction is known and different from other transmission range.General, the intensity in magnetic field is or/and have certain funtcional relationship between direction and the transmission range.
As shown in Figure 4, in the present embodiment, Mobile payment terminal 70 is preferably mobile phone.Be provided with the second magnetic field detection module 71, the second main control module 72 and the second magnetic field in the Mobile payment terminal 70 module 73 occurs.Wherein the second magnetic field detection module 71 is used for receiving the first magnetic field that module 61 generations occur in the first magnetic field, and detects intensity and the direction in the first magnetic field.The distance that the second main control module 72 is judged Mobile payment terminal 70 and card reader 60 according to intensity and the direction in the first magnetic field.For example, the second main control module 72 can solve corresponding transmission range value with intensity and the predefined functional relation of direction substitution in the magnetic field detected, perhaps according to the intensity in the magnetic field detected and direction in the intensity that contains magnetic field or/and inquire corresponding transmission range value in the question blank of direction and the corresponding numerical value of transmission range, this transmission range value is the distance between Mobile payment terminal 70 and the card reader 60.After the distance that obtains between Mobile payment terminal 70 and the card reader 60, the second main control module 72 further control the second magnetic field generation module 73 sends the second magnetic field that is loaded with this distance.
As shown in Figure 4, in the present embodiment, the first magnetic field detection module 62 of card reader 60 interior settings receives the second magnetic field generation module 73 and sends the second magnetic field that is loaded with distance, and detects the second magnetic field.The first main control module 63 further extracts this distance from the second magnetic field.Card reader 60 interior first communication modules 64 that further are provided with, Mobile payment terminal 70 interior second communication modules 74 that further are provided with.The first main control module 63 is controlled the first communication module 64 and is paid communication with the second communication module 74 in the Mobile payment terminal 70 when judging this distance less than threshold value.
In a preferred embodiment, comprise the RFID-SIM card in the Mobile payment terminal, the second main control module and the second communication module are arranged in the RFID-SIM card.
As shown in Figure 5, Fig. 5 is the schematic block diagram of the 4th embodiment of a kind of mobile-payment system of the present invention.Mobile-payment system of the present invention comprises card reader 80 and Mobile payment terminal 90.
As shown in Figure 5, in the present embodiment, Mobile payment terminal 90 is preferably mobile phone.Be provided with the first magnetic field in the Mobile payment terminal 90 module 91, the first magnetic field detection module 92 and the first main control module 93 occur.Wherein, the first magnetic field that module 91 changes with transmission range for generation of intensity and direction occurs in the first magnetic field.The magnetic field that for example produces is static magnetic field, and the magnetic field that perhaps produces is alternating magnetic field.But, no matter adopt which kind of magnetic field, the intensity in this magnetic field is or/and direction will keep known variation relation with transmission range, namely in a certain particular moment, for a certain specific transmission range, the intensity in magnetic field is or/and direction is known and different from other transmission range.General, the intensity in magnetic field is or/and have certain funtcional relationship between direction and the transmission range.
As shown in Figure 5, in the present embodiment, be provided with the second magnetic field detection module 81, the second main control module 82 and the second magnetic field in the card reader 80 module 83 occurs.Wherein the second magnetic field detection module 81 is used for receiving the first magnetic field that module 91 generations occur in the first magnetic field, and detects intensity and the direction in the first magnetic field.The distance that the second main control module 82 is judged card reader 80 and Mobile payment terminal 90 according to intensity and the direction in the first magnetic field.For example, the second main control module 82 can solve corresponding transmission range value with intensity and the predefined functional relation of direction substitution in the magnetic field detected, perhaps according to the intensity in the magnetic field detected and direction in the intensity that contains magnetic field or/and inquire corresponding transmission range value in the question blank of direction and the corresponding numerical value of transmission range, this transmission range value is the distance between card reader 80 and the Mobile payment terminal 90.After the distance that obtains between card reader 80 and the Mobile payment terminal 90, the second main control module 82 further control the second magnetic field generation module 83 sends the second magnetic field that is loaded with this distance.
As shown in Figure 5, in the present embodiment, the first magnetic field detection module 92 of Mobile payment terminal 90 interior settings receives the second magnetic field generation module 83 and sends the second magnetic field that is loaded with distance, and detects the second magnetic field.The first main control module 93 further extracts this distance from the second magnetic field.Mobile payment terminal 90 interior first communication modules 94 that further are provided with, card reader 80 interior second communication modules 84 that further are provided with.The first main control module 93 is controlled the first communication module 94 and is paid communication with the second communication module 84 in the card reader 80 when judging this distance less than threshold value.
In a preferred embodiment, comprise the RFID-SIM card in the Mobile payment terminal, the first main control module and the first communication module are arranged in the RFID-SIM card.
As shown in Figure 6, Fig. 6 is the process flow diagram of the method for measuring distance of Fig. 4 or mobile-payment system shown in Figure 5.
In step 110, send the first magnetic field by one in card reader and the Mobile payment terminal to another.Intensity and the direction in the first magnetic field change with transmission range.For example the first magnetic field is static magnetic field, and perhaps the first magnetic field is alternating magnetic field.But, no matter adopt which kind of magnetic field, the intensity in this magnetic field is or/and direction will keep known variation relation with transmission range, namely in a certain particular moment, for a certain specific transmission range, the intensity in magnetic field is or/and direction is known and different from other transmission range.General, the intensity in magnetic field is or/and have certain funtcional relationship between direction and the transmission range.
In step 111, intensity and the direction in the first magnetic field that is received by another detection in card reader and the Mobile payment terminal.
In step 112, by in card reader and the Mobile payment terminal another according to the intensity in the first magnetic field of detecting and the distance between orientation determination Mobile payment terminal and the card reader.For example intensity and the predefined functional relation of direction substitution with the magnetic field detected solves corresponding transmission range value, perhaps according to the intensity in the magnetic field detected and direction in the intensity that contains magnetic field or/and inquire corresponding transmission range value in the question blank of direction and the corresponding numerical value of transmission range, this transmission range value is the distance between card reader and the Mobile payment terminal.
In step 113, be loaded with the second magnetic field of this distance by another emission in card reader and the Mobile payment terminal.
In step 114, the second magnetic field that is received by a detection in card reader and the Mobile payment terminal.
In step 115, from the second magnetic field, extract this distance by one in card reader and the Mobile payment terminal.
Further, can when judging this distance less than threshold value, between card reader and Mobile payment terminal, pay communication.
By the way, carry out distance test between Mobile payment terminal and the card reader by intensity and direction with the transmission range changing magnetic field, more accurately Distance Judgment can be provided, and then the communication distance of control mobile payment, user experience quality promoted.
In the above-described embodiments, only exemplary description has been carried out in invention, but those skilled in the art can carry out various modifications to invention after reading present patent application in the situation of the spirit and scope that do not break away from invention.
Claims (10)
1. mobile-payment system, described mobile-payment system comprises Mobile payment terminal and card reader, it is characterized in that, be provided with magnetic field in one in described Mobile payment terminal and the described card reader module occurs, described magnetic field occur module for generation of intensity and direction with the transmission range changing magnetic field, be provided with the detection of magnetic field module in described Mobile payment terminal and the described card reader another, memory module and main control module, wherein said detection of magnetic field module is used for surveying intensity and the direction in the described magnetic field that receives, described memory module stores the intensity in described magnetic field and direction with the variation relation of transmission range, and described main control module is determined distance between described Mobile payment terminal and the described card reader according to the intensity that detects and direction and described variation relation.
2. mobile-payment system according to claim 1 is characterized in that, described magnetic field module occurs is arranged on the described card reader, and described detection of magnetic field module, described memory module and described main control module are arranged on the described Mobile payment terminal.
3. mobile-payment system according to claim 2 is characterized in that, described Mobile payment terminal comprises the RFID-SIM card.
4. mobile-payment system according to claim 3 is characterized in that, described memory module and described main control module further are arranged in the described RFID-SIM card.
5. mobile-payment system according to claim 1 is characterized in that, described magnetic field is static magnetic field or alternating magnetic field.
6. mobile-payment system according to claim 1 is characterized in that, further is loaded with the data that need transmission on the described magnetic field.
7. the card reader of a mobile-payment system, it is characterized in that, be provided with detection of magnetic field module, memory module and main control module in the described card reader, wherein said detection of magnetic field module is used for surveying intensity and the direction from the magnetic field that Mobile payment terminal receives, described memory module stores the intensity in described magnetic field and direction with the variation relation of the transmission range in described magnetic field, and described main control module is determined distance between described Mobile payment terminal and the described card reader according to the intensity that detects and described variation relation.
8. the Mobile payment terminal of a mobile-payment system, it is characterized in that, be provided with detection of magnetic field module, memory module and main control module in the described Mobile payment terminal, wherein said detection of magnetic field module is used for surveying intensity and the direction from the magnetic field that card reader receives, described memory module stores the intensity in described magnetic field and direction with the variation relation of the transmission range in described magnetic field, and described main control module is determined distance between described Mobile payment terminal and the described card reader according to the intensity that detects and direction and described variation relation.
9. Mobile payment terminal according to claim 8 is characterized in that, described Mobile payment terminal comprises the RFID-SIM card, and described memory module and described main control module further are arranged in the described RFID-SIM card.
10. the method for measuring distance of a mobile-payment system is characterized in that, described method for measuring distance comprises:
By one in Mobile payment terminal and card reader magnetic field that receives another emission;
The intensity in the described magnetic field that detection receives and direction;
Determine distance between described Mobile payment terminal and the described card reader according to the variation relation of the transmission range in the intensity in the intensity that detects and direction and described magnetic field and direction and described magnetic field.
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| CN 201110246688 CN102956069A (en) | 2011-08-25 | 2011-08-25 | Mobile payment system and card reader thereof, mobile payment terminal and distance determination method |
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| CN 201110246688 CN102956069A (en) | 2011-08-25 | 2011-08-25 | Mobile payment system and card reader thereof, mobile payment terminal and distance determination method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107563750A (en) * | 2017-07-26 | 2018-01-09 | 上海易码信息科技有限公司 | A kind of mobile payment device and its distance detection method |
| CN108615273A (en) * | 2016-12-08 | 2018-10-02 | 中国移动通信集团四川有限公司 | Data processing method, apparatus and system |
| CN110291567A (en) * | 2016-11-04 | 2019-09-27 | 环汇系统有限公司 | The system and method for preventing the unauthorized of card reader from using |
| US12125041B2 (en) | 2023-05-04 | 2024-10-22 | Stripe, Inc. | System and methods to prevent unauthorized usage of card readers |
-
2011
- 2011-08-25 CN CN 201110246688 patent/CN102956069A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110291567A (en) * | 2016-11-04 | 2019-09-27 | 环汇系统有限公司 | The system and method for preventing the unauthorized of card reader from using |
| US10832252B2 (en) | 2016-11-04 | 2020-11-10 | BBPOS Limited | System and methods to prevent unauthorized usage of card readers |
| US11321719B2 (en) | 2016-11-04 | 2022-05-03 | BBPOS Limited | System and methods to prevent unauthorized usage of card readers |
| US11710134B2 (en) | 2016-11-04 | 2023-07-25 | Stripe, Inc. | System and methods to prevent unauthorized usage of card readers |
| CN108615273A (en) * | 2016-12-08 | 2018-10-02 | 中国移动通信集团四川有限公司 | Data processing method, apparatus and system |
| CN107563750A (en) * | 2017-07-26 | 2018-01-09 | 上海易码信息科技有限公司 | A kind of mobile payment device and its distance detection method |
| US12125041B2 (en) | 2023-05-04 | 2024-10-22 | Stripe, Inc. | System and methods to prevent unauthorized usage of card readers |
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Application publication date: 20130306 |