WO2017133557A1 - 一种磁条卡模拟装置及数据传输系统 - Google Patents

一种磁条卡模拟装置及数据传输系统 Download PDF

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Publication number
WO2017133557A1
WO2017133557A1 PCT/CN2017/072291 CN2017072291W WO2017133557A1 WO 2017133557 A1 WO2017133557 A1 WO 2017133557A1 CN 2017072291 W CN2017072291 W CN 2017072291W WO 2017133557 A1 WO2017133557 A1 WO 2017133557A1
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magnetic
magnetic stripe
coil
stripe card
absorbing portion
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PCT/CN2017/072291
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English (en)
French (fr)
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王永春
赵振河
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上海励识电子科技有限公司
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Publication of WO2017133557A1 publication Critical patent/WO2017133557A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
    • G06K19/06206—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking the magnetic marking being emulated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems

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  • the invention belongs to the field of electronic technology, and in particular relates to a device for simulating a magnetic stripe card.
  • Magnetic stripe payment cards used in daily life including credit cards, debit cards, gift cards, coupon cards, etc., usually need to match the magnetic stripe card point of sale (POS) terminal to accept the payment of the magnetic stripe payment card.
  • Information needs to be swiped and communicated to complete the exchange of relevant information.
  • POS point of sale
  • the mobile wallet payment function integrated on smart phones has been used on a large scale.
  • the sales point of the bar point-of-sale terminal causes great inconvenience to the user due to the lack of a matching reading device.
  • another problem existing in the prior art is that in some payment occasions supporting NFC communication, it is often due to intelligence.
  • the mobile phone is not equipped with standard near field communication performance and is inconvenient.
  • a magnetic stripe card simulation device and a data transmission system are provided to solve the problems existing in the prior art
  • a magnetic stripe card simulation device for generating an analog magnetic stripe card data for data interaction with a magnetic card reader, including
  • a driving unit configured to receive a signal stream sent by a mobile electronic device
  • sensing unit coupled to the driving unit for generating an induced magnetic field for coupling with a read head of a magnetic card reader by magnetic induction; the sensing unit includes
  • the absorbing portion is made of a sheet absorbing material
  • the first coil is wound into a spiral hollow coil and fixedly adhered to one side of the absorbing portion for generating an alternating magnetic field;
  • the second coil is fixedly bonded to the other surface of the absorbing portion opposite to the first coil.
  • the inside of the first coil passes through a magnetic core, and the magnetic core is made of a low frequency permalloy.
  • the resonant frequency of the combination of the absorbing portion and the second coil is 13.56 MHz to simulate an antenna of a near field communication tag.
  • the absorbing portion includes a first absorbing portion and a second absorbing portion, and the first absorbing portion and the second absorbing portion are disposed at the same interval apart from each other In the plane, the absorbing portion is combined with the first coil to simulate magnetic card data.
  • the length of the second coil is adjustable such that the resonant frequency is 125 kHz or 134.2 kHz.
  • the absorbing portion is made of nickel zinc ferrite or manganese zinc ferrite.
  • the second coil is an antenna coil made of metallic copper.
  • a mobile electronic device connected to the magnetic stripe card emulation device via a predetermined data interface for Sending a signal flow to the magnetic stripe card simulation device;
  • a magnetic card reader coupled to the electromagnetic field provided by the magnetic stripe card analog device for acquiring a signal stream transmitted by the electromagnetic field.
  • the magnetic stripe card simulation device is integrated with the mobile electronic device, and the predetermined data interface is an output port of the modulated magnetic stripe data.
  • the mobile electronic device employs a smartphone loaded with a mobile wallet application.
  • FIG. 1 is a schematic structural view of a magnetic stripe card simulation device of the present invention
  • FIG. 2 is a top plan view of the sensing unit of the present invention.
  • Figure 3 is a cross-sectional view of the sensing unit of the present invention.
  • FIG. 4 is a schematic structural view of a data transmission system of the present invention.
  • a magnetic stripe card simulation device is used for generating an analog magnetic stripe card data to implement data interaction with a magnetic card reader 3, including
  • a driving unit 11 configured to receive a signal stream sent by the mobile electronic device 2;
  • sensing unit 12 coupled to the driving unit 11 for generating an induced magnetic field for coupling with a read head of a magnetic card reader 3 by magnetic induction; the sensing unit 12 includes
  • the absorbing portion 101 is made of a sheet absorbing material
  • the first coil 102 is wound into a spiral hollow coil and fixedly adhered to one side of the absorbing portion 101 for generating an alternating magnetic field;
  • the second coil 103 is fixedly bonded to the other surface of the wave absorbing portion 101 opposite to the first coil 102.
  • the present invention is directed to the defects of the prior art and is compatible with a variety of label and card standards, integrates multiple functions, and reduces the number of cards that the user carries with him.
  • the above signal stream includes but is not limited to payment data.
  • the inside of the first coil 102 passes through a magnetic core 1021.
  • the magnetic core 1021 can be made of a low frequency permalloy, and the magnetic core 1021 can be in the shape of a rod.
  • the alternating magnetic field generated by the low-frequency permalloy high magnetic permeability material has higher magnetic field strength and the card swipe distance is farther.
  • the magnetic card reader 3 is easy to feel the magnetic field change and improve the success rate of the card swiping.
  • the second coil 103 can be adapted for near field communication (Near Field Communication, NFC)
  • NFC Near Field Communication
  • the antenna coil on the label such as a copper antenna
  • the adsorption portion 101 can be made of ferrite material
  • the absorbing portion 101 and the second coil 103 can be combined for the standard antenna of the NFC tag, and the resonance
  • the frequency is 13.56MHz.
  • the above-described absorbing portion 101 may be made of nickel-zinc ferrite or a low-frequency MnZn ferrite.
  • the absorbing portion 101 may include a first absorbing portion and a second absorbing portion.
  • the first absorbing portion and the second absorbing portion are disposed on the same plane with a set gap therebetween, and the absorbing portion 101 is combined with the first coil 102. Used to transmit magnetic card data and simulate the card swiping process.
  • An inductor composed of a permalloy core and a coil wound on the core is used to emit magnetic card data, although the absorbing portion 101 made of ferrite material and the permalloy core form a closed magnetic field, but are absorbed A large gap is formed between the first absorbing portion 1011 and the second absorbing portion 1013 of the portion 101.
  • the magnetic permeability between the slits is extremely low, the magnetic field does not form a short circuit, and the magnetic field is emitted to the magnetic head of the ordinary magnetic card reader. On, thus successfully simulating the card swiping process.
  • the present invention obtains a frequency that is greatly different by the combination of the absorbing portion 101 and the first coil 102, the absorbing portion 101, and the second coil 103.
  • the analog magnetic stripe card data belongs to an audio frequency, and is usually 10 kHz or less, particularly 5 kHz or less.
  • the data rate, the near field communication tag frequency is 13.56MHz, and the two magnetic materials have large frequency differences, mutual interference is small, can be compatible with a variety of standards, integrate multiple functions, and reduce the number of cards that users carry with them.
  • the permalloy frequency range of the analog magnetic card is lower than 20KHz, which is very suitable for the data rate of magnetic card data of about 1Kbps, and the operating frequency of the high-frequency ferrite absorbing material is above 5MHz.
  • the absorbing portion 101 is used to form the bottom of the antenna
  • the short circuit of the magnetic field reduces the influence of the molybdenum alloy of the first coil 102 behind the absorbing portion 101 and the metal material of the mobile device on the performance of the near field communication tag, and improves the effective distance of the card reading or analog card, thereby facilitating the user. usage of.
  • the characteristic frequency of the absorbing material is about 13.5MHz or 125KHz at high frequency, so it can have a good isolation effect on the NFC tag, and has a radiation effect on the low frequency analog magnetic card signal.
  • the present invention can also change the inductance of the second coil 103, such as changing the coil length such that the resonant frequency is 125 kHz or 134.2 kHz.
  • Increasing the length of the second coil 103 to increase the inductance can be used in the low frequency access card band, used in the field of traditional access control and animal identification. Animal identification and low frequency access control are 125KHz or 134.2KHz, and the combination of the above two does not affect each other.
  • a mobile electronic device 2 connected to the magnetic stripe card simulation device 1 through a predetermined data interface, for transmitting a signal stream to the magnetic stripe card simulation device 1;
  • a magnetic card reader 3 is coupled to the electromagnetic field provided by the magnetic stripe card simulation device 1 for acquiring a signal stream transmitted by the electromagnetic field.
  • the magnetic stripe card simulation device 1 is integrated in the mobile electronic device, and the predetermined data interface is the output port DATA of the modulated magnetic stripe data.
  • the mobile electronic device 2 described above may be a smart phone or other electronic terminal, such as a smart phone or a mobile phone case loaded with a mobile wallet application, and the predetermined data interface may be an audio data interface or other chip data output port.
  • U1A, U1B, U1C, U1D, and U1E are driving chips or driving circuits. After inverting, two sets of output data are transmitted to the output inductor L1 through the capacitor C1, and the output inductor L1 is a magnetic stripe card emulating device.
  • An inductive coil 102 having a permalloy core 1021 at both ends An alternating voltage is generated, and the output magnetic field is converted and outputted by the output inductor L1 to sense the magnetic head of the magnetic card reader 3, wherein the output port DATA is the modulated magnetic stripe data.
  • the magnetic stripe card simulation device 1 of the present invention can be used not only in combination with the mobile electronic device 2 but also integrated inside the mobile phone casing to improve the integration degree of the system and the convenience of the user.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

本发明属于电子技术领域，尤其涉及一种磁条卡模拟装置，用于产生一模拟磁条卡数据以与一磁卡读卡器实现数据交互，包括，一驱动单元，用于接收一移动电子设备发送的信号流；一感应单元，与驱动单元连接，用于产生感应磁场以通过磁感应的方式与一磁卡读卡器的读取头耦合；感应单元包括，吸波部，由片状吸波材料制成；第一线圈，绕制成螺旋状的空心线圈，固定黏接于吸波部的一面上，用以产生交变磁场；第二线圈，固定黏结于吸波部上与第一线圈相对的另一面。以上技术方案可兼容多种标签和卡片标准，集成多种功能，减少用户随身携带的卡的数量，提高用户体验及简化操作过程。

Description

一种磁条卡模拟装置及数据传输系统 技术领域
本发明属于电子技术领域，尤其涉及一种模拟磁条卡的装置。
背景技术
日常生活中使用的磁条支付卡包括信用卡、借记卡、礼品卡、优惠券卡等等通常需要相匹配的磁条卡销售点(Point of Sale,POS)终端来接受磁条支付卡的支付信息，需要刷卡操作进行通讯从而完成有关信息的交换，然而，随着智能手机的普及及手机服务功能的日益增强，集成于智能手机上的移动钱包支付功能得到大规模的使用，传统的配备磁条卡销售点终端的销售点由于缺乏相匹配的读取装置给使用者造成很大的不便，同时，现有技术存在的另一个问题是，在一些支持NFC通信的支付场合，也常常由于智能手机未配备标准的近场通信性能而带来了不便。
发明内容
针对以上技术问题，提供一种磁条卡模拟装置及数据传输系统，以解决现有技术存在的问题；
具体技术方案如下：
一种磁条卡模拟装置，用于产生一模拟磁条卡数据以与一磁卡读卡器实现数据交互，包括，
一驱动单元，用于接收一移动电子设备发送的信号流；
一感应单元，与所述驱动单元连接，用于产生感应磁场以通过磁感应的方式与一磁卡读卡器的读取头耦合；所述感应单元包括，
吸波部，由片状吸波材料制成；
第一线圈，绕制成螺旋状的空心线圈，固定黏接于所述吸波部的一面上，用以产生交变磁场；
第二线圈，固定黏结于所述吸波部上与所述第一线圈相对的另一面。
上述的一种磁条卡模拟装置，所述第一线圈的内部穿过一磁芯，所述磁芯采用低频坡莫合金制成。
上述的一种磁条卡模拟装置，所述吸波部与所述第二线圈组合后的谐振频率为13.56MHz，以模拟近场通信标签的天线。
上述的一种磁条卡模拟装置，所述吸波部包括第一吸波部和第二吸波部，所述第一吸波部和所述第二吸波部相隔设定间隙设置于同一平面上，所述吸波部与所述第一线圈组合后以模拟磁卡数据。
上述的一种磁条卡模拟装置，所述第二线圈的长度可调节以使得谐振频率为125KHz或134.2KHz。
上述的一种磁条卡模拟装置，所述吸波部采用镍锌铁氧体或锰锌铁氧体制成。
上述的一种磁条卡模拟装置，所述第二线圈采用金属铜制成的天线线圈。
还提供一种数据传输系统，包括上述的磁条卡模拟装置，还包括，
一移动电子设备，通过预定数据接口与所述磁条卡模拟装置连接，用于 发送信号流至所述磁条卡模拟装置；
一磁卡读卡器，与所述磁条卡模拟装置提供的电磁场耦合，用于获取所述电磁场传送的信号流。
上述的数据传输系统，所述磁条卡模拟装置集成与所述移动电子设备中，所述预定数据接口为调制后的磁条数据的输出端口。
上述的数据传输系统，所述移动电子设备采用装载有移动钱包应用程序的智能手机。
有益效果：以上技术方案可兼容多种标签和卡片标准，集成多种功能，减少用户随身携带的卡的数量；既可模拟磁条卡数据，也可进一步模拟近场通信数据，并且提供的磁场强度高，可提供较远的刷卡距离，提高用户体验及简化操作过程。
附图说明
图1为本发明的磁条卡模拟装置的结构示意图；
图2为本发明的感应单元的俯视图；
图3为本发明的感应单元的截面图；
图4为本发明的数据传输系统的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作 出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明的是，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。
下面结合附图和具体实施例对本发明作进一步说明，但不作为本发明的限定。
参照图1、图2、图3，一种磁条卡模拟装置，其中，用于产生一模拟磁条卡数据以与一磁卡读卡器3实现数据交互，包括，
一驱动单元11，用于接收一移动电子设备2发送的信号流；
一感应单元12，与驱动单元11连接，用于产生感应磁场以通过磁感应的方式与一磁卡读卡器3的读取头耦合；感应单元12包括，
吸波部101，由片状吸波材料制成；
第一线圈102，绕制成螺旋状的空心线圈，固定黏接于吸波部101的一面上，用以产生交变磁场；
第二线圈103，固定黏结于吸波部101上与第一线圈102相对的另一面。
本发明针对现有技术存在的缺陷可兼容多种标签和卡片标准，集成多种功能，减少用户随身携带的卡的数量，上述的信号流包含但不限于支付数据。
上述的一种磁条卡模拟装置，第一线圈102的内部穿过一磁芯1021，所述磁芯1021可以采用低频坡莫合金制成，所述磁芯1021可以呈棒状。采用低频坡莫合金高导磁率材料产生的交变磁场具有更高的磁场强度，刷卡距离更远，磁卡读卡器3易于感受到磁场变化，提高刷卡成功率。
上述的一种磁条卡模拟装置，第二线圈103可以采用适用于近场通信 (Near Field Communication，NFC)标签上的天线线圈，如铜天线，吸附部101可以采用铁氧体材质制成，吸波部101与第二线圈103组合后可以用于NFC标签的标准天线，谐振频率为13.56MHz，使用符合ISO14443-A标准的芯片，写入NFC标准协议的数据可以用在门禁、支付、防伪和一些其他快捷手机应用方式。
上述的吸波部101可以采用镍锌铁氧体，或改为低频的锰锌铁氧体制成。吸波部101可以包括第一吸波部和第二吸波部，第一吸波部和第二吸波部相隔设定间隙设置于同一平面上，吸波部101与第一线圈102组合后用于发射磁卡数据并模拟刷卡过程。
由坡莫合金磁芯和磁芯上绕制的线圈组成的电感用于发射磁卡数据，虽然铁氧体材料制成的吸波部101和坡莫合金磁芯形成了闭合磁场，但是在吸波部101的第一吸波部1011和第二吸波部1013之间形成了一个较大的缝隙，在缝隙之间导磁率极低，磁场不会形成短路，磁场发射到普通磁卡刷卡器的磁头上，从而成功模拟刷卡过程。
本发明通过吸波部101和第一线圈102、吸波部101和第二线圈103的组合获得差异很大的频率，如模拟磁条卡数据属于音频频率，通常为10KHz以下特别地为5KHz以下的数据速率，近场通信标签频率在13.56MHz，同时两种磁性材料频率差异也很大，互相干扰很小，可以兼容多种标准，集成多种功能，减少用户随身携带的卡的数量。
模拟磁卡的坡莫合金频率范围低于20KHz，非常适合磁卡数据1Kbps左右的数据速率，高频铁氧体吸波材料工作频率在5MHz以上。
对于模拟近场通信标签的情形，因为使用了吸波部101对天线底部形成 了磁场短路，这样减少了吸波部101后面的第一线圈102的坡莫合金和移动设备的金属材料对近场通信标签的性能影响，提高了读卡或模拟卡片的有效距离，方便了用户的使用。同时这种吸波材料的特征频率在高频13.5MHz或125KHz左右，所以对NFC标签能起到很好的隔离作用，又对低频的模拟磁卡信号有辐射作用。
本发明还可以改变第二线圈103的电感，如改变线圈长度以使得谐振频率为125KHz或134.2KHz。增加第二线圈103的长度以增加电感量可用于低频门禁卡频段，使用在传统门禁领域和动物识别领域。动物识别和低频门禁是125KHz或134.2KHz，与上述两种组合也不会相互影响。
还提供一种数据传输系统，包括上述的磁条卡模拟装置1，还包括，
一移动电子设备2，通过预定数据接口与磁条卡模拟装置1连接，用于发送信号流至磁条卡模拟装置1；
一磁卡读卡器3，与磁条卡模拟装置1提供的电磁场耦合，用于获取电磁场传送的信号流。
上述的数据传输系统，参照图4，磁条卡模拟装置1集成于移动电子设备中，预定数据接口为调制后的磁条数据的输出端口DATA。
上述的移动电子设备2可以为智能手机或其他电子终端，如装载有移动钱包应用程序的智能手机或手机壳，上述的预定数据接口可以为音频数据接口或其他芯片数据输出端口。
图4中，U1A、U1B、U1C、U1D、U1E均为驱动芯片或驱动电路，经过反相各由两组输出数据，经过电容C1传到输出电感L1上，输出电感L1为磁条卡模拟装置1中具有坡莫合金磁芯1021的电感线圈102，在其两端 产生交变的电压，由输出电感L1转换输出成交变的磁场，传感到磁卡读卡器3的感应磁头，其中输出端口DATA为调制后的磁条数据。
即本发明的磁条卡模拟装置1不但可以单独与移动电子设备2组合使用，还可以集成于手机壳体的内部，以提高系统的集成度和用户使用的便利性。
以上仅为本发明较佳的实施例，并非因此限制本发明的实施方式及保护范围，对于本领域技术人员而言，应当能够意识到凡运用本发明说明书及图示内容所作出的等同替换和显而易见的变化所得到的方案，均应当包含在本发明的保护范围内。

Claims (10)

  1. 一种磁条卡模拟装置，其特征在于，用于产生一模拟磁条卡数据以与一磁卡读卡器实现数据交互，包括，
    一驱动单元，用于接收一移动电子设备发送的信号流；
    一感应单元，与所述驱动单元连接，用于产生感应磁场以通过磁感应的方式与一磁卡读卡器的读取头耦合；所述感应单元包括，
    吸波部，由片状吸波材料制成；
    第一线圈，绕制成螺旋状的空心线圈，固定黏接于所述吸波部的一面上，用以产生交变磁场；
    第二线圈，固定黏结于所述吸波部上与所述第一线圈相对的另一面。
  2. 根据权利要求1所述的一种磁条卡模拟装置，其特征在于，所述第一线圈的内部穿过一磁芯，所述磁芯采用低频坡莫合金制成。
  3. 根据权利要求1所述的一种磁条卡模拟装置，其特征在于，所述吸波部与所述第二线圈组合后的谐振频率为13.56MHz，以模拟近场通信标签的天线。
  4. 根据权利要求1所述的一种磁条卡模拟装置，其特征在于，所述吸波部包括第一吸波部和第二吸波部，所述第一吸波部和所述第二吸波部相隔设定间隙设置于同一平面上，所述吸波部与所述第一线圈组合后以模拟磁卡数据。
  5. 根据权利要求1所述的一种磁条卡模拟装置，其特征在于，所述第二线圈的长度可调节以使得谐振频率为125KHz或134.2KHz。
  6. 根据权利要求1所述的一种磁条卡模拟装置，其特征在于，所述吸波部采用镍锌铁氧体或锰锌铁氧体制成。
  7. 根据权利要求1所述的一种磁条卡模拟装置，其特征在于，所述第二线圈采用金属铜制成的天线线圈。
  8. 一种数据传输系统，其特征在于，包括权利要求1-6任意一项所述的磁条卡模拟装置，还包括，
    一移动电子设备，通过预定数据接口与所述磁条卡模拟装置连接，用于发送信号流至所述磁条卡模拟装置；
    一磁卡读卡器，与所述磁条卡模拟装置提供的电磁场耦合，用于获取所述电磁场传送的信号流。
  9. 根据权利要求8所述的数据传输系统，其特征在于，所述磁条卡模拟装置集成与所述移动电子设备中，所述预定数据接口为调制后的磁条数据的输出端口。
  10. 根据权利要求8所述的数据传输系统，其特征在于，所述移动电子设备包括智能手机或手机壳。
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US10417630B2 (en) * 2016-07-28 2019-09-17 Samsung Electronics Co., Ltd. Transmission-pulse sequence including proxy for secondary magnetic stripe
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