KR20160040484A - Magnetic field booster for mobile magnetic data transmission - Google Patents
Magnetic field booster for mobile magnetic data transmission Download PDFInfo
- Publication number
- KR20160040484A KR20160040484A KR1020160035335A KR20160035335A KR20160040484A KR 20160040484 A KR20160040484 A KR 20160040484A KR 1020160035335 A KR1020160035335 A KR 1020160035335A KR 20160035335 A KR20160035335 A KR 20160035335A KR 20160040484 A KR20160040484 A KR 20160040484A
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- KR
- South Korea
- Prior art keywords
- magnetic
- magnetic field
- coil
- mobile
- amplifier
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive loop type
- H04B5/0075—Near-field transmission systems, e.g. inductive loop type using inductive coupling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
- G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/20—Point-of-sale [POS] network systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/327—Short range or proximity payments by means of M-devices
- G06Q20/3278—RFID or NFC payments by means of M-devices
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0036—Checkout procedures
- G07G1/0045—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader
- G07G1/0081—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader the reader being a portable scanner or data reader
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive loop type
- H04B5/0025—Near field system adaptations
- H04B5/0031—Near field system adaptations for data transfer
Abstract
Description
BACKGROUND OF THE
A technique of storing magnetic strip data of a credit card or the like in a mobile device and transferring the payment to a magnetic head of a conventional point of sale (POS) terminal through a separate coil for transmission upon settlement is called MST Secure Transmission) technology.
As a background of the MST technique, there is a system and method for a baseband near field magnetic stripe data transmitter of Korean Patent Laid-Open No. 10-2015-0095889 (US 8,690,059 B1, US 8,814,046 B1) shown in FIG. This technology is based on a system for a baseband near field magnetic stripe data transmitter (MST) device that transmits payment card data from a smartphone or other electronic device to a point of sale (POS) transaction terminal And method, wherein the MST device includes a driver and an inductor, the MST receives the magnetic stripe data including the payment card data, processes the received magnetic stripe data, and generates a high energy magnetic stripe containing the processed magnetic stripe data And the processed magnetic stripe data is received remotely by the magnetic strip reader of the POS.
FIG. 2 shows the configuration of the above-mentioned Magnetic Secure Transmission (MST) technology. The magnetic security transmission (MST) technique includes providing an MST unit having an MST coil in the
FIG. 3 shows a configuration of a mobile magnetic data transmission system using the voice coil of Korean Patent Laid-Open Publication No. 10-2016-0023750 and a method thereof, as a technology of the applicant and the inventor of the present invention. This technology relates to a magnetic data transmission system using a voice coil of a mobile device that enables magnetic data transmission even in a mobile device not including an MST hardware including an MST (Magnetic Secure Transmission) unit and an MST coil, and a method thereof A magnetic data transmission system using a voice coil of a mobile device that performs magnetic data transmission by transmitting data from a mobile device to a magnetic field by using a voice coil or an external voice coil provided in an ear speaker of the mobile device, Method. However, this technique also may cause a problem that the magnetic field provided from the voice coil or the external voice coil is not sufficiently reached when the distance from the outside of the
BACKGROUND OF THE
The present invention relates to a mobile terminal for providing mobile data transmission between a POS terminal that receives data by swiping a magnetic strip and a
The magnetic booster for mobile magnetic data transmission according to the present invention can be applied to a mobile magnetic data transmission system using a magnetic security transmission (MST: Magnetic Secure Transmission) or a voice coil, in which a weak magnetic field of a MST H / W to a voice coil, of sale) provides a technical effect of smooth data transmission even if there is a distance to the magnetic head of the terminal.
In addition, by increasing the sensitivity of the magnetic field pickup coil and the pickup amplifier, it is possible to expand the mobile magnetic data transmission area.
FIG. 1 illustrates a system and method for a baseband near field magnetic stripe data transmitter as a background art.
FIG. 2 is a block diagram of a configuration of a magnetic secure transmission (MST)
FIG. 3 shows a mobile magnetic data transmission system using a voice coil as another background art and a configuration of the method technology
FIG. 4 is an example of a data structure of a credit card having a magnetic stripe;
5 shows the
FIG. 6 is a waveform diagram illustrating transmission of magnetic strip data of a credit card to a POS terminal;
7 shows a schematic configuration of a magnetic booster for mobile magnetic data transmission according to the present invention
8 is an example of a magnetic field pickup coil and a pickup amplifier circuit according to the present invention;
Fig. 9 is an example of a power amplifier and a magnetic-field emission coil circuit according to the present invention
10 is an embodiment of the arrangement relationship of the internal configuration of the magnetic booster for mobile magnetic data transmission of the present invention
FIG. 11 is an embodiment of a mounting relation of a magnetic booster for mobile magnetic data transmission according to the present invention
12 shows an example of use of the magnetic booster for mobile magnetic data transmission according to the present invention
The following merely illustrates the principles of the invention. Accordingly, those skilled in the art will be able to devise various apparatuses which, although not explicitly described or shown herein, embody the principles of the invention and are included in the concept and scope of the invention. Furthermore, all of the conditional terms and embodiments listed herein are, in principle, intended only for the purpose of enabling understanding of the concepts of the present invention, and are not intended to be limiting in any way to the specifically listed embodiments and conditions .
It is also to be understood that the detailed description, as well as the principles, aspects and embodiments of the invention, as well as specific embodiments thereof, are intended to cover structural and functional equivalents thereof. It is also to be understood that such equivalents include all elements contemplated to perform the same function irrespective of currently known equivalents as well as equivalents to be developed in the future. Thus, the functions of the various elements shown in the drawings, including the functional blocks shown in the control or similar concepts, may be provided by use of dedicated hardware as well as hardware capable of executing software in connection with appropriate software. The functions provided by the " control unit " may be provided by a single dedicated processor, a single shared processor, or a plurality of individual processors, some of which may be shared. In addition, the use of terms presented in a concept similar to the control unit should not be interpreted exclusively as hardware capable of executing software, but may be embodied in various forms, including without limitation, a digital signal processor (DSP) (ROM), random access memory (RAM), and non-volatile memory. Other hardware may also be included.
The above objects, features and advantages will become more apparent from the following detailed description in conjunction with the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description of the present invention, detailed description of known related arts will be omitted when it is determined that the gist of the present invention may be unnecessarily obscured. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The magnetic booster for mobile magnetic data transmission according to the present invention can be applied to all channels for transmitting data using a magnetic field. Hereinafter, in order to clarify the characteristic configuration of the present invention, for example, Explain.
FIG. 4 illustrates an example of a data structure of a credit card having a magnetic stripe. The credit card is specified by the International Standard Organization (ISO) standard ISO / IEC 7810, ISO / IEC 7811, ISO / IEC 7813, etc. The data recording standard of the magnetic strip is IATA, ABA, Thrift We use the proposed three tracks. Among these tracks, the credit card uses
As shown in FIG. 5, the
FIG. 6 illustrates a waveform relationship in which magnetic strip data of a credit card is transmitted to a POS terminal as an example of mobile magnetic data transmission. The magnetic booster for mobile magnetic data transmission according to the present invention can be applied to all channels for transmitting data using a magnetic field. Hereinafter, in order to clarify the characteristic configuration of the present invention, for example, Explain.
(A) of the drawing shows the head portion of the credit card data described in the previous figures 4 to 5. (B) of the drawing shows the magnetization direction of the magnetic strip corresponding to the drawing (a), and FIG. 7 (c) shows the current output from the magnetic head when sweeping the magnetic strip to the
In a mobile magnetic data transmission system using a magnetic coil (MST) or a voice coil for transferring card data from the outside of a point of sale (POS) terminal by magnetic fields, / W to voice coil in a limited magnetic field, and the distance between the magnetic head and the magnetic head of POS (point of sale) terminal is not smooth.
FIG. 7 shows a general configuration of a magnetic booster for mobile magnetic data transmission of the present invention. The self booster for mobile magnetic data transmission according to the present invention includes a
FIG. 8 shows an example of a magnetic field pickup coil 310 and a
FIG. 9 shows an example of a
Also, the magnetic field delivery coil 340 can be configured to generate a stronger magnetic field by applying a coil having a low impedance of several [Ohm] to several tens [Ohm] to a limited power source.
FIG. 10 shows one embodiment of the arrangement relationship of the internal configuration of the magnetic booster for mobile magnetic data transmission of the present invention. A magnetic booster for mobile magnetic data transmission according to the present invention includes: a housing 360 having a non-magnetic body through which a magnetic field passes; and a
FIG. 11 shows an embodiment of the mounting relationship of the magnetic booster for mobile magnetic data transmission according to the present invention. A magnetic booster for mobile magnetic data transmission according to the present invention includes: a housing 360 having a non-magnetic body through which a magnetic field passes; and a
FIG. 12 shows the use of a magnetic booster for mobile magnetic data transmission of the present invention. The magnetic booster for mobile magnetic data transmission according to the present invention includes a
A magnetic shielding plate 350 is provided between the magnetic field delivery coil 340 and the magnetic field pickup coil 310 to prevent interference and interference between the first magnetic field and the second magnetic field.
The magnetic booster for mobile magnetic data transmission according to the present invention described above can be applied to a mobile magnetic data transmission system using a magnetic security transmission (MST: Magnetic Secure Transmission) or a voice coil, the present invention overcomes the problem that the data transmission is not smooth due to the distance between the magnetic head and the magnetic head of the point-of-sale terminal, and also increases the sensitivity of the magnetic field pickup coil and the pickup amplifier in the mobile magnetic data transmission system, Thereby providing an effect of expanding the area.
Although the magnetic booster technology for mobile magnetic data transmission of the present invention has been described with reference to the limited embodiments and drawings, the present invention is not limited thereto, and the magnetic booster technology of the present invention It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.
100: POS terminal 200: mobile device
300: magnetic booster 310: magnetic field pickup coil
320: Pickup amplifier 330: Power amplifier
340: magnetic field emission coil 350: magnetic shield plate
360: housing 370: power terminal
380: Housing cover
Claims (6)
Is located on the magnetic field transmission path of the POS terminal (100) and the mobile device (200)
A magnetic field pickup coil 310 for picking up a weak first magnetic field provided from the mobile device 200;
A pickup amplifier 320 for amplifying a current induced in the magnetic field pickup coil 310 by the first magnetic field;
A power amplifier 330 for amplifying an output signal of the pick-up amplifier 320;
A magnetic field emission coil 340 for providing the amplified second magnetic field generated by the power output from the power amplifier 330 to the magnetic head of the POS terminal 100;
Characterized in that it comprises a magnetic booster for mobile magnetic data transmission
And the magnetic field pickup coil (310) is configured to current-amplify the variation of the magnetic field induced by the magnetic field pickup coil (310)
And is configured to be shielded by the magnetic field pickup coil (310) and the magnetic shield plate (350) to prevent interference and interference between the first magnetic field and the second magnetic field.
A power supply terminal (370) for supplying power to the internal circuit; And a housing cover 380,
A magnetic field delivery coil (340) disposed at one side in the housing (360) opposite to the POS terminal (100);
A power amplifier 330 for driving the magnetic field emission coil 340 to emit the amplified magnetic field;
A magnetic field pickup coil 310 positioned on the other side of one side of the housing 360 opposite to the POS terminal 100 to pick up a weak first magnetic field provided from the mobile device 200 by current;
And a pickup amplifier (320) for amplifying variation of a magnetic field provided to the magnetic field pickup coil (310)
A magnetic field emitted to the magnetic field delivery coil 340 is transmitted to the magnetic field pickup coil 310 between the magnetic field pickup coil 310 provided on the other side of the magnetic field delivery coil 340 disposed on one side of the housing 360 A magnetic shield plate 350 magnetically shielded from being transmitted;
Characterized in that it comprises a magnetic booster for mobile magnetic data transmission
Magnetic body through which a magnetic field is passed.
The output of the pick-up amplifier 320 is connected to the input of the power amplifier 330
And a power supply terminal of the power amplifier 330 is connected to the power supply terminal 370 of the housing 360 to receive power from the outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020160035335A KR20160040484A (en) | 2016-03-24 | 2016-03-24 | Magnetic field booster for mobile magnetic data transmission |
Applications Claiming Priority (1)
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KR1020160035335A KR20160040484A (en) | 2016-03-24 | 2016-03-24 | Magnetic field booster for mobile magnetic data transmission |
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KR1020160035335A KR20160040484A (en) | 2016-03-24 | 2016-03-24 | Magnetic field booster for mobile magnetic data transmission |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10332101B2 (en) | 2017-06-19 | 2019-06-25 | Samsung Electronics Co., Ltd. | Magnetic secure transmission device and electronic device including the magnetic secure transmission device |
US10460136B2 (en) | 2017-05-26 | 2019-10-29 | Wits Co., Ltd. | Terminal for magnetic secure transmission (MST) and electromagnetic wave shielding structure |
US11757490B2 (en) | 2018-08-02 | 2023-09-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | Data transmission from a user terminal to another apparatus |
-
2016
- 2016-03-24 KR KR1020160035335A patent/KR20160040484A/en active Search and Examination
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10460136B2 (en) | 2017-05-26 | 2019-10-29 | Wits Co., Ltd. | Terminal for magnetic secure transmission (MST) and electromagnetic wave shielding structure |
US10332101B2 (en) | 2017-06-19 | 2019-06-25 | Samsung Electronics Co., Ltd. | Magnetic secure transmission device and electronic device including the magnetic secure transmission device |
US11757490B2 (en) | 2018-08-02 | 2023-09-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | Data transmission from a user terminal to another apparatus |
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