CN103093541A - Mobile payment distance control system and mobile payment distance control method - Google Patents
Mobile payment distance control system and mobile payment distance control method Download PDFInfo
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- CN103093541A CN103093541A CN2011103376357A CN201110337635A CN103093541A CN 103093541 A CN103093541 A CN 103093541A CN 2011103376357 A CN2011103376357 A CN 2011103376357A CN 201110337635 A CN201110337635 A CN 201110337635A CN 103093541 A CN103093541 A CN 103093541A
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Abstract
The invention discloses a mobile payment distance control system. The mobile payment distance control system comprises a mobile terminal and a card reader communicated with the mobile terminal, wherein the mobile terminal comprises an RFID-SIM (radio frequency identification-subscriber identity module) card and a camera which are in radio frequency communication with the card reader, an identification point B and an identification point C which are kept at a fixed distance are arranged on the card reader, and the value of the fixed distance between the identification point B and the identification point C is stored on the card reader. The mobile terminal further comprises a first obtaining unit, a second obtaining unit, a measuring unit and a calculating unit, wherein the first obtaining unit is used for enabling the RFID-SIM card to obtain the value of the fixed distance between the identification point B and the identification point C via radio frequency communication during the radio frequency communication between the RFIF-SIM card and the card reader; the second obtaining unit is used for controlling the camera to obtain an imaging image including the identification point B and the identification point C; the measuring unit is used for measuring the value of the image distance between the identification point B and the identification point C in the imaging image; and the calculating unit is used for proportionally calculating the value of the distance between the mobile terminal and the card reader according to the value of the image distance, the value of the fixed distance, and the value of object distance between an incidence window of the camera and an imaging surface. The mobile payment distance control system has the advantages of high safety, low cost and convenience in use.
Description
Technical field
The embodiment of the present invention relates to mobile payment field, particularly a kind of mobile payment distant-control system and method.
Background technology
Mobile payment also referred to as mobile-phone payment, allows the user to use its mobile terminal (normally mobile phone, also comprise PDA etc.) to carry out to commodity or the service of consuming a kind of method of service that account is paid exactly.At present main mobile payment technology mainly is divided in the world: NFC, eNFC, SIM-PASS, RFID-SIM, RFID-SD etc.
Along with the continuous progress of universal, the mobile communication technology of mobile terminal, the continuous expansion of mobile payment service, people can only realize all kinds of activities such as traffic ticketing service, shopping, access control and attendance, food and drink consumption by a mobile terminal.For we live, the various aspects of work have been brought huge facility.
The RFID-SIM technological core is a double-interface smart card RFID-SIM card (integrated SIM card and rfid card on card), this card had both had the same functionality mobile communication of common SIM card, can carry out wireless near field communication by antenna attached to it and card reader again.Thereby need not change mobile phone, only need change SIM card and can realize mobile payment.
The core technology that mobile payment need to solve in terminal is the problem that distance is controlled, different technical schemes has different from control method, but very most of technical scheme all needs to change mobile terminal, such as the NFC technical scheme, this has brought very large obstacle for industrialization and the popularity of mobile payment.Although the SIM-PASS technical scheme need not be changed mobile terminal, this scheme can not solve the problem of stability, compatibility and industrialization.
Summary of the invention
for the weak point that exists in above-mentioned technology, the embodiment of the present invention is that the technical scheme that the technical solution problem adopts is to provide a kind of mobile payment distant-control system, comprise that mobile terminal reaches and the card reader of mobile terminal communication, mobile terminal comprises RFID-SIM card and the camera that carries out radio-frequency communication with card reader, be provided with B identification point and the C identification point of constant spacing on card reader, and the constant spacing value between card reader storage B identification point and C identification point, wherein, mobile terminal comprises: the first acquiring unit, be used for when mobile terminal carries out radio-frequency communication by RFID-SIM card and card reader, make the RFID-SIM cartoon cross radio-frequency communication and obtain constant spacing value between B identification point and C identification point, second acquisition unit is used for controlling camera and obtains the image that comprises B identification point and C identification point, measuring unit is used for measurement B identification point and C identification point in the image pitch value of image, computing unit is used for according to the entrance window of image pitch value, constant spacing value and camera and the object distance value between imaging surface, and proportion of utilization calculates the distance values between mobile terminal and card reader.
According to one preferred embodiment of the present invention, mobile terminal is provided with draw-in groove, and the RFID-SIM card comprises main control chip, is connected thereby RFID-SIM card insertion draw-in groove makes main control chip and mobile terminal set up circuit.
According to one preferred embodiment of the present invention, distance values between mobile terminal and card reader equals the distance values between camera entrance window and card reader, and the distance values between camera entrance window and card reader equals the constant spacing value and multiply by the object distance value divided by the business of image pitch value again.
According to one preferred embodiment of the present invention, main control chip is controlled camera and is received visible light, obtains the image of B identification point and C identification point.
According to one preferred embodiment of the present invention, mobile terminal is provided with interface, and main control chip is controlled camera by the interface of mobile terminal.
The present invention also provides a kind of mobile payment apart from control method, and mobile payment comprises the following steps apart from control method:
S1. be provided with B identification point and the C identification point of constant spacing on card reader, and the constant spacing value between storage B identification point and C identification point;
S2. carry out radio-frequency communication by mobile terminal and card reader and obtain constant spacing value between B identification point and C identification point, obtain the image of B identification point and C identification point by the camera on mobile terminal;
S3. calculate distance values between mobile terminal and card reader according to the entrance window of image pitch value, constant spacing value and camera and the object distance value proportion of utilization between imaging surface.
According to one preferred embodiment of the present invention, distance values between mobile terminal and card reader equals the entrance window of camera and the distance values between card reader, and the entrance window of camera and the distance values between card reader equal the constant spacing value and multiply by the object distance value divided by the business of image pitch value again.
According to one preferred embodiment of the present invention, before step S3, measure B identification point and the image pitch value of C identification point in image.
According to one preferred embodiment of the present invention, B identification point and C identification point are positioned on the same xsect of card reader.
According to one preferred embodiment of the present invention, after obtaining the distance values between mobile terminal and card reader, mobile terminal will judge whether to carry out according to distance values next step transaction operation.
In a kind of mobile payment distant-control system of the present invention and method, mobile terminal obtains the image of the identification point of two constant spacings on card reader by camera, then measure the image pitch value in image of two identification points, and then calculate spacing between mobile terminal and card reader according to the geometric proportion relation, solved the secure payment problem in the mobile payment process, had advantages of that safe, cost is low and easy to use.
Description of drawings
Fig. 1 is the structural representation of the better embodiment of a kind of mobile payment distant-control system of the present invention;
Fig. 2 is the high-level schematic functional block diagram of the better embodiment of a kind of mobile payment distant-control system of the present invention;
Fig. 3 is the fundamental diagram of the better embodiment of a kind of mobile payment distant-control system of the present invention; And
Fig. 4 is that a kind of mobile payment of the present invention is apart from the process flow diagram of control method.
Embodiment
The present invention proposes the camera that a kind of mobile payment distant-control system and method utilize mobile terminal generally to possess, and realizes that according to similar triangle theory distance controls, and can be in the situation that do not change mobile terminal and complete distance and control.
See also Fig. 1 to Fig. 3, Fig. 1 is the structural representation of the better embodiment of a kind of mobile payment distant-control system of the present invention, Fig. 2 is the high-level schematic functional block diagram of the better embodiment of a kind of mobile payment distant-control system of the present invention, and Fig. 3 is the fundamental diagram of the better embodiment of a kind of mobile payment distant-control system of invention.Mobile payment distant-control system 1 comprises mobile terminal 10 and card reader 20, is provided with B identification point and the C identification point of constant spacing on card reader 20, and the constant spacing value between card reader 20 storage B identification points and C identification point.
Wherein, the entrance window of camera 103 and the object distance value between imaging surface are the known device parameters of camera 103.Distance values between mobile terminal 10 and card reader 20 equals the entrance window of camera 103 and the distance values between card reader 20, the distance values d between the entrance window of camera 103 and card reader 20
2Equal the constant spacing value L between B identification point and C identification point
2The image pitch value L in image divided by B identification point and C identification point
1The business multiply by again the entrance window of camera 103 and the object distance value d between imaging surface
1, computing formula is: d
2=d
1* (L
2/ L
1).
particularly, during mobile payment, start the shoot function of mobile terminal 10, the main control chip of RFID-SIM card 101 is controlled camera 103 by the interface of mobile terminal 10 and is received visible light and obtain the B identification point of card reader 20 and the image of C identification point, B identification point after imaging and C identification point be B ' identification point and C ' identification point namely, and measure B ' identification point and the image pitch value of C ' identification point on image by image recognition technology, because the entrance window of camera 103 and the object distance value between imaging surface are the known device parameters of camera 103, therefore just can calculate distance values between mobile terminal 10 and card reader 20 according to similar triangle theory.After obtaining the distance values between mobile terminal 10 and card reader 20, mobile terminal 10 will judge whether to carry out according to distance values next step transaction operation.
in the embodiment of the present invention, be provided with two identification points of known separation on card reader, camera by mobile terminal utilizes visible light to carry out imaging, sound wave, electromagnetism involves electric wave etc. because its invisibility has caused hidden danger to the security of move transaction, and the observability of visible light has reduced the risk of transaction security, can be simple, realize easily the distance control in the mobile payment process, and do not need to change mobile terminal, only needing that common SIM card is replaced by the RFID-SIM card can make common mobile terminal possess payment function and pay distance and control function, the industrialization process that helps mobile payment.
See also Fig. 4, Fig. 4 is that a kind of mobile payment of the present invention is apart from the process flow diagram of control method.
Mobile payment comprises the following steps apart from control method:
S1. be provided with B identification point and the C identification point of constant spacing on card reader, and the constant spacing value between storage B identification point and C identification point;
S2. carry out radio-frequency communication by mobile terminal and card reader and obtain constant spacing value between B identification point and C identification point, obtain the image of B identification point and C identification point by the camera on mobile terminal;
S3. calculate distance values between mobile terminal and card reader according to the entrance window of image pitch value, constant spacing value and camera and the object distance value proportion of utilization between imaging surface.
Wherein, B identification point and C identification point are positioned on the same xsect of card reader, before step S3, measure B identification point and the image pitch value of C identification point in image.Distance values between mobile terminal and card reader equals the entrance window of camera and the distance values between card reader, and the entrance window of camera and the distance values between card reader equal the constant spacing value and multiply by the object distance value divided by the business of image pitch value again.
In sum, in a kind of mobile payment distant-control system of the present invention and method, mobile terminal obtains the image of the identification point of two constant spacings on card reader by camera, then measure the image pitch value in image of two identification points, and then calculate spacing between mobile terminal and card reader according to the geometric proportion relation, solved the secure payment problem in the mobile payment process, had advantages of that safe, cost is low and easy to use.
The above is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (10)
1. a mobile payment distant-control system, comprise that mobile terminal reaches and the card reader of described mobile terminal communication, and described mobile terminal comprises RFID-SIM card and the camera that carries out radio-frequency communication with described card reader, it is characterized in that:
Be provided with B identification point and the C identification point of constant spacing on described card reader, and the constant spacing value between the described card reader described B identification point of storage and described C identification point, wherein, described mobile terminal comprises:
The first acquiring unit is used for when described mobile terminal carries out radio-frequency communication by described RFID-SIM card and described card reader, makes described RFID-SIM cartoon cross radio-frequency communication and obtains constant spacing value between described B identification point and described C identification point;
Second acquisition unit is used for controlling described camera and obtains the image that comprises described B identification point and described C identification point;
Measuring unit is for measuring described B identification point and the described C identification point image pitch value at described image;
Computing unit is used for according to the entrance window of described image pitch value, described constant spacing value and described camera and the object distance value between imaging surface, and proportion of utilization calculates the distance values between described mobile terminal and described card reader.
2. mobile payment distant-control system according to claim 1, it is characterized in that: described mobile terminal is provided with draw-in groove, described RFID-SIM card comprises main control chip, is connected thereby the described draw-in groove of described RFID-SIM card insertion makes described main control chip set up circuit with described mobile terminal.
3. mobile payment distant-control system according to claim 1, it is characterized in that: the distance values between described mobile terminal and described card reader equals the entrance window of described camera and the distance values between described card reader, and the distance values between the entrance window of described camera and described card reader equals described constant spacing value and multiply by described object distance value divided by the business of described image pitch value again.
4. mobile payment distant-control system according to claim 2 is characterized in that: described main control chip is controlled described camera and is received visible light, obtains the image of described B identification point and described C identification point.
5. mobile payment distant-control system according to claim 4, it is characterized in that: described mobile terminal is provided with interface, and described main control chip is controlled described camera by the described interface of described mobile terminal.
6. a mobile payment apart from control method, is characterized in that: described mobile payment comprises the following steps apart from control method:
S1. be provided with B identification point and the C identification point of constant spacing on card reader, and store the constant spacing value between described B identification point and described C identification point;
S2. carry out radio-frequency communication by mobile terminal and described card reader and obtain constant spacing value between described B identification point and described C identification point, obtain the image of described B identification point and described C identification point by the camera on mobile terminal;
S3. calculate distance values between described mobile terminal and described card reader according to the entrance window of described image pitch value, described constant spacing value and described camera and the object distance value proportion of utilization between imaging surface.
7. mobile payment according to claim 6 is apart from control method, it is characterized in that: the distance values between described mobile terminal and described card reader equals the entrance window of described camera and the distance values between described card reader, and the distance values between the entrance window of described camera and described card reader equals described constant spacing value and multiply by described object distance value divided by the business of described image pitch value again.
8. mobile payment according to claim 6 apart from control method, is characterized in that: before step S3, measure described B identification point and the described C identification point described image pitch value in described image.
9. mobile payment according to claim 6 apart from control method, is characterized in that: described B identification point and described C identification point are positioned on the same xsect of described card reader.
10. mobile payment according to claim 6 apart from control method, is characterized in that: after obtaining the distance values between described mobile terminal and described card reader, described mobile terminal will judge whether to carry out according to described distance values next step transaction operation.
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| CN103093541B (en) | 2016-04-20 |
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Owner name: NATIONZ TECHNOLOGIES INC. Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Effective date: 20130816 Free format text: FORMER OWNER: NATIONZ TECHNOLOGIES INC. Effective date: 20130816 |
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Inventor after: Zhu Shan Inventor after: Yu Yunbo Inventor before: Liu Ruopeng Inventor before: Liu Jingjing |
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Free format text: CORRECT: INVENTOR; FROM: LIU RUOPENG LIU JINGJING TO: ZHU SHAN YU YUNBO |
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Effective date of registration: 20130816 Address after: 518057 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Chinese Technology Development Institute Building No. three on the 12 floor Applicant after: Nationz Technologies Inc. Address before: 518057 Nanshan District City, Guangdong province high tech Zone in the middle of a high tech building, No. 9 software building Applicant before: Shenzhen Kuang-Chi Institute of Advanced Technology Applicant before: Nationz Technologies Inc. |
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