WO2017150924A1 - Carte à puce permettant de générer des champs magnétiques dynamiques de façon séquentielle, et son procédé de commande - Google Patents

Carte à puce permettant de générer des champs magnétiques dynamiques de façon séquentielle, et son procédé de commande Download PDF

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Publication number
WO2017150924A1
WO2017150924A1 PCT/KR2017/002283 KR2017002283W WO2017150924A1 WO 2017150924 A1 WO2017150924 A1 WO 2017150924A1 KR 2017002283 W KR2017002283 W KR 2017002283W WO 2017150924 A1 WO2017150924 A1 WO 2017150924A1
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WO
WIPO (PCT)
Prior art keywords
track
magnetic field
card
information
sequentially
Prior art date
Application number
PCT/KR2017/002283
Other languages
English (en)
Korean (ko)
Inventor
이미영
서현덕
한인수
양주열
구권철
이진수
Original Assignee
주식회사 마늘랩
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020160049583A external-priority patent/KR101760669B1/ko
Priority claimed from KR1020160049580A external-priority patent/KR101755592B1/ko
Application filed by 주식회사 마늘랩 filed Critical 주식회사 마늘랩
Publication of WO2017150924A1 publication Critical patent/WO2017150924A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • 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
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • 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
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • 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
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards

Definitions

  • the present invention relates to a smart card and a control method thereof for generating a dynamic magnetic field sequentially.
  • Cards that are used for various purposes such as financial transactions and information management of users can be classified into IC cards with integrated circuits (ICs) and magnetic cards with magnetic stripes. Both circuit and magnetic stripe may be provided.
  • ICs integrated circuits
  • magnetic strips Both circuit and magnetic stripe may be provided.
  • the smart card can store information of various cards and is implemented to function as a specific card according to a user's selection.
  • the smart card may include a memory capable of storing information of various cards and selection means for selecting desired card information among card information stored by the user.
  • the smart card may include an exposed terminal connected to the integrated circuit, a dynamic magnetic stripe capable of dynamically generating a magnetic field, to provide the card reader with the stored information.
  • the dynamic magnetic field generating strip is composed of a plurality of tracks that are independently controlled to generate a magnetic field, each of which must generate a magnetic field that forms different information. However, since each track is adjacent to each other, the magnetic field generated in one track may affect the magnetic field of another track adjacent thereto.
  • the recognition rate of the smart card may eventually decrease.
  • a situation may occur in which a third party other than the owner of the smart card uses the smart card in the card reader.
  • a clerk receives a card from the owner of the card and returns the receipt along with the card to the owner after payment.
  • the owner of the card may errand the third party with the use of the card or withdraw cash from the card.
  • the owner of the card does not know even if a third party such as a clerk who takes charge of the card uses the card for an illegal purpose, and there is no way to respond to it at that moment. Recently, financial accidents and financial crimes using these blind spots have been frequently occurring, and measures against them are required.
  • Embodiments of the present invention have been proposed to solve the above problems, and provide a smart card and a control method for generating a dynamic magnetic field having a high recognition rate sequentially.
  • Another object of the present invention is to provide a smart card and a control method for generating a dynamic magnetic field that can sequentially transmit information to a card reader.
  • the present invention provides a smart card, a control method thereof, and a portable terminal in which a smart card owner can trust a third party to use the smart card.
  • a smart card for sequentially generating a dynamic magnetic field includes a plate; A battery provided inside the plate; A memory provided inside the plate and storing card information of a plurality of cards; A user interface unit provided on an outer surface of the plate to receive selection of card information desired to be used by a user; A magnetic field generator having a plurality of tracks capable of generating a magnetic field by receiving current from the battery; And card information including at least two track information of a first track information, a second track information, and a third track information of a card selected by a user from the memory through the user interface unit, and among the plurality of tracks.
  • the controller may provide a smart card that generates a dynamic magnetic field sequentially supplying current to another track after supplying current to one track is completed.
  • the apparatus may further include a head detector configured to detect a head of a card reader, wherein the controller provides a smart card that sequentially generates a dynamic magnetic field that supplies current to the magnetic field generator when the head detector detects the head. can do.
  • the head sensing unit may provide a smart card that is disposed at one end of the magnetic field generating unit and sequentially generates a dynamic magnetic field that is not exposed to the outside of the plate together with the magnetic field generating unit.
  • the magnetic field generating unit may include: a first track generating a magnetic field signal corresponding to the first track information; A second track providing a magnetic field signal corresponding to the second track information; And a third track configured to generate a magnetic field signal corresponding to the third track information, wherein the controller is configured to generate a dynamic magnetic field that is sequentially generated to supply current to two or more tracks of the three tracks. You can provide a card.
  • the magnetic field generating unit may include a first track and a third track, and any one of the first track and the third track may sequentially generate a magnetic field signal corresponding to two or more track information. It is possible to provide a smart card that generates a dynamic magnetic field.
  • the first track may generate a magnetic field signal corresponding to the first track information and a magnetic field signal corresponding to the second track
  • the third track may generate a magnetic field signal corresponding to the third track information.
  • a smart card that sequentially generates a dynamic magnetic field can be provided.
  • any one track may provide a smart card that sequentially generates a dynamic magnetic field to sequentially generate a magnetic field signal corresponding to two or more track information.
  • the first track may be disposed at a position corresponding to track 1 of the magnetic card, and the third track may be provided at a position corresponding to track 3 of the magnetic card. Can be.
  • one of the tracks may provide a smart card that sequentially generates a dynamic magnetic field that generates a stronger magnetic field signal than the other track.
  • the first track may be disposed between a position corresponding to track 1 of the magnetic card and a position corresponding to track 2, and the third track may be sequentially disposed at a position corresponding to track 3 of the magnetic card.
  • a smart card that generates a magnetic field can be provided.
  • the controller may provide a smart card that sequentially generates a dynamic magnetic field for supplying a current so that the magnetic field signals generated by the plurality of tracks overlap each other.
  • the track may provide a smart card that generates a dynamic magnetic field sequentially consisting of a single electromagnet consisting of a metal core, a cover surrounding the core, and a coil wound around the core.
  • a method of controlling a smart card to generate a dynamic magnetic field sequentially includes: selecting, by a user, card information of one of a plurality of card information stored in a memory; Sensing the head of the card reader with a head detector provided on the plate of the smart card; And when the head is sensed by the head detecting unit, reads card information of the one card including two or more track information among the first track information, the second track information, and the third track information from the memory.
  • the magnetic field corresponding to the at least two track information is sequentially generated to provide the Provided is a control method of a smart card for generating a dynamic magnetic field sequentially comprising the step of generating a magnetic field signal corresponding to the card information through the magnetic field generator.
  • the supplying of the current may provide a control method of a smart card that generates a dynamic magnetic field sequentially supplying current to another track after the supply of current to one of the plurality of tracks is completed.
  • FIG. 1 is a front view and a rear view of a smart card to sequentially generate a dynamic magnetic field according to an embodiment of the present invention.
  • FIG. 2 is a block diagram illustrating a configuration of the smart card of FIG. 1.
  • FIG. 3 is a side view schematically illustrating how the smart card of FIG. 1 is read by a card reader.
  • FIG. 4 is a view schematically illustrating the state of the magnetic field generating unit of the head of the card reader and the smart card when the smart card of FIG. 1 is read in the card reader.
  • FIG. 5 is a diagram illustrating a change of a magnetic field generated in a magnetic field generating unit of the smart card of FIG. 1 with time.
  • FIG. 6 is a flowchart illustrating a control method of a smart card that sequentially generates a dynamic magnetic field according to an embodiment of the present invention.
  • FIG. 7 is a diagram schematically illustrating a state of a head of a card reader and a magnetic field generating unit of a smart card when a smart card sequentially generating a dynamic magnetic field is read to a card reader according to another embodiment of the present invention.
  • FIG. 8 is a view schematically illustrating a state of a head of a card reader and a magnetic field generating unit of a smart card when a smart card sequentially generating a dynamic magnetic field is read to a card reader according to another embodiment of the present invention.
  • FIG. 9 is a diagram illustrating an example of a method of switching the smart card of FIG. 1 to a usage restriction mode.
  • FIG. 10 is a flowchart illustrating a control method of a smart card according to another embodiment of the present invention.
  • the card may have a rectangular plate shape and may provide one or more pieces of information to the card reader.
  • the card may be understood as a credit card, cash card, check card, membership card, earning card, etc.
  • the card reader may be understood as ATM, POS terminal and the like.
  • the card information may be understood to mean any type of information that can be transmitted to the card reader or the user regardless of the type and storage form.
  • the card information may include identification information for distinguishing the user from other users or for distinguishing the card from other cards.
  • the identification information may be a value set for distinguishing a user from an issuer of a card such as a bank or a value directly set by the user.
  • the identification information may be an account number, a social security number, a member number, a member ID, a card number, and the like.
  • the card information may further include information related to the use of the card, for example, information such as card issuer, card type, card name, expiration date, security code.
  • Such information may be stored in a magnetic strip of a card, a memory, or the like, or may be stored in a form printed on an outer surface of the card.
  • the information stored in the card may be transferred to the card reader through the magnetic strip, the exposed terminal of the integrated circuit (IC), barcode, QR code, Bluetooth, Beacon, NFC, RFID, Zigbee, UWB, IrDa, etc. It may be delivered to the card reader via the means, or may be delivered to the user via a printed image, an embossed pattern, or the like.
  • FIG. 1 is a front view and a rear view of a smart card that sequentially generates a dynamic magnetic field according to an embodiment of the present invention
  • Figure 2 is a block diagram showing the configuration of the smart card of FIG.
  • the smart card 10 sequentially generating a dynamic magnetic field may store a plurality of card information and may function as a specific card according to a user's selection. It is a card.
  • the plate 100, the exposed terminal portion 140 formed on the front surface 102 of the plate 100 and the user interface 180, the rear surface 104 of the plate 100 It may include a magnetic field generating unit 150 is formed to dynamically generate a magnetic field.
  • the plate 100 may be formed of a plastic or metal material, and may be formed in a rectangular shape as a whole, but is not limited thereto.
  • the plate 100 may be sized to satisfy the standard of the ISO 7810 standard.
  • the exposed terminal unit 140 is an external interface of the IC provided inside the plate 100, and may be formed of a predetermined metal material and contact the interface terminal provided in another device such as a card reader.
  • the smart card 10 may be in data communication with the card reader or receive power through the exposure terminal 140.
  • the exposed terminal unit 140 is provided as an example. However, in some cases, the exposed terminal unit 140 may be omitted.
  • the user interface unit 180 is a means for receiving a predetermined input signal from the user or delivering a predetermined output signal to the user. For example, as shown in FIG. 1, the user interface unit 180 selects a power button 182 for the user to turn on / off the power of the smart card 10 and a type of card to be used by the user. It may include a touch screen 184 that can output a predetermined image to the user.
  • the configuration of the user interface unit 180 is applied to a card such as a decompression button, a touch button, an LCD, an LED, an electronic paper, a touch pad, a microphone, a speaker, etc., in addition to the means included in the present embodiment.
  • a card such as a decompression button, a touch button, an LCD, an LED, an electronic paper, a touch pad, a microphone, a speaker, etc.
  • Various types of devices may be used, and the scope of the present invention is not limited to the type or number of the user interface unit 180.
  • the touch screen 184 when the touch screen 184 is provided, the entire configuration of the smart card 10 is possible since both a data input from a user and a data output to a user can be performed by one device. There is an advantage that can be simplified, and the appearance can be beautiful.
  • the exposed terminal unit 140 and the user interface unit 180 are provided on the front surface 102, but some or all of them may be provided on the rear surface 102.
  • the rear surface 104 of the plate 100 may be provided with a magnetic field generator 150 capable of dynamically generating a magnetic field.
  • the magnetic field generating unit 150 may be composed of a plurality of electromagnets, and may be composed of a plurality of tracks, which will be described later.
  • the magnetic field generating unit 150 may be covered with a predetermined shield so that each electromagnet is not exposed to the outside in order to form the appearance of the smart card 10 similar to a conventional general card.
  • the smart card 10 has a control unit 110 that can correspond to the IC.
  • the controller 110 may be understood as a component capable of directly controlling other components, processing electrical signals, processing data, or transmitting and receiving data, as well as meaning as a physical electronic chip. have.
  • the smart card 10 may include a battery 120 for providing power and a memory 130 for storing data.
  • the battery 120 may be installed in a form in which a thin film product is embedded in the plate 100, and the memory 130 may be provided with the IC or may be separately provided and embedded in the plate 100. In some cases, a portion of the battery 120 or the memory 130 may be exposed through one side of the plate 100 to be directly connected to another device.
  • the memory 130 may store information such as a user's smart phone, a PC, etc. that interoperate with the smart card 10, and various information such as usage history of the card may be stored. have.
  • the controller 110 may be connected to another device such as a card reader through the exposed terminal 140 exposed to the outside.
  • the exposed terminal unit 140 may be configured according to the ISO 7816 standard, and may function as an interface for receiving data and power from another device or transmitting data to another device.
  • the controller 110 may control the magnetic field generator 150 to dynamically generate the magnetic field.
  • the magnetic field generator 150 may be composed of a plurality of tracks.
  • Conventional cards in accordance with the ISO 4909 standard can be provided with three tracks on a magnetic strip, referred to as track 1, track 2, and track 3 from the side close to the long side of the plate 100.
  • Each track may provide a specific type of information to the card reader in the form of a magnetic field, specifically, in the form of a magnetic field generated by a plurality of magnets arranged at predetermined intervals according to a rule defined in the standard.
  • a magnetic field signal provided by a track to a card reader is referred to as track information
  • information provided by track 1 is referred to as first track information
  • information provided by track 2 is referred to as second track information and track 3.
  • the information provided will be referred to as third track information.
  • the magnetic field generator 150 of the smart card 10 according to the present exemplary embodiment may also be configured with three tracks (see FIG. 4).
  • the magnetic field generating unit 150 is described as an example configured according to the standard of ISO 4909, but the spirit of the present invention is not limited thereto, and may generate a magnetic field signal according to any rule or other standard. have.
  • Each track of the magnetic field generating unit 150 may be composed of one electromagnet, or a plurality of electromagnets may be arranged side by side in the longitudinal direction (left and right in FIG. 1) to form one track.
  • each track may be an electromagnet composed of a metal core, a cover surrounding the core, and a coil wound around the core, and the controller 110 supplies current to one electromagnet in a time-series and intermittently manner. It can generate a magnetic field signal that must be provided at the track of.
  • each track may be composed of a plurality of electromagnets arranged such that polarities are arranged according to a predetermined rule, and the controller 110 supplies current to the plurality of electromagnets to generate a magnetic field signal to be provided in one track.
  • the case of the former that is, one track is composed of one electromagnet will be described as an example.
  • the spirit of the present invention is not limited to this, and each track may be configured in the latter case.
  • the smart card 10 may further include a head detector 160 for detecting a head of the card reader.
  • the head detecting unit 160 may be disposed at the front end side of the magnetic field generating unit 150, that is, the side inserted into the card reader first, and covered with a predetermined shielding unit so as not to be exposed to the outside like the magnetic field generating unit 150.
  • the head detector 160 may be a capacitive touch sensor, and may be disposed at a position corresponding to an end of the magnetic strip of the conventional card.
  • the controller 110 does not supply current to the magnetic field generator 150 when the smart card 10 is not used to reduce power consumption, and the signal detected by the head detector 160 detects the head of the card reader. Only after the transmission, the current may be supplied to the magnetic field generator 150.
  • the head sensing unit 160 is an example of a separate component from the magnetic field generating unit 150, but the spirit of the present invention is not limited thereto.
  • the controller 110 may detect the head of the card reader by detecting an induced current generated by the magnetic field generator 150 generated by the head when the smart card 10 is swiped by the card reader.
  • the magnetic field generating unit 150 may function as the head detecting unit 160.
  • other contact sensing means such as a pressure sensor may be provided instead of the capacitive touch sensor as the head sensing unit 160, and a non-contact sensing means such as an acceleration sensor may be provided.
  • the smart card 10 may further include a communication unit 170 for wired and wireless communication with another device.
  • the communication unit 170 may be exposed to the outside of the plate 100 as needed, but in the present embodiment, the communication unit 170 is embedded in the plate 100 and wireless communication with other devices will be described as an example.
  • the communication unit 170 may be any one of a communication module capable of communication such as Bluetooth, Beacon, NFC, RFID, Zigbee, UWB, IrDa, and the inside of the plate 100 is further provided with antennas for these communication Can be.
  • the controller 110 may transmit data to another device through the communication unit 170, process data received from another device, or store the data in the memory 130.
  • Other devices capable of communicating with the smart card 10 may be any electronic device equipped with a wireless communication function, such as a smart phone, wearable device, PC, laptop, tablet PC, as well as other smart cards.
  • the controller 110 may process data input through the user interface 180 or process data to be output through the user interface 180.
  • the controller 110 reads card information of any one of the card information of the plurality of cards stored in the memory 130 according to a user's manipulation of the touch screen 184 to perform a predetermined process. Through the touch screen 184 can be output.
  • the exposed terminal unit 140 and the magnetic field generating unit 150 connected to the control unit 110 transfer the information of the selected card to the card reader side, and may be referred to as a card information transfer unit.
  • the communication unit 170 may also be used as a means for transferring card information. That is, the card information transmitting means may include one or more of the exposed terminal unit 140, the magnetic field generating unit 150, and the communication unit 170.
  • the smart card 10 as described above may be used in the following manner.
  • a user may prepare to use the power of the smart card 10 by turning on the power button 182 of the smart card 10.
  • the power button 182 is provided separately as an example, but alternatively, a method of turning on / off the power may be used by manipulating the provided user interface 180 in a predetermined manner.
  • a user may select a card to be used by manipulating the touch screen 184 of the smart card 10.
  • the information of the card to be used is already stored in the memory 130, and the controller 110 may prepare to load the card information from the memory 130 and provide it to the card reader side according to a user's selection.
  • the controller 110 may contact any card information selected by the user through the exposed terminal unit 140.
  • the card reader may be transmitted to the card reader or may be provided to the card reader by generating a magnetic field through the magnetic field generator 150.
  • the user may turn off the power of the smart card 10 using the power button 182.
  • FIG. 3 is a side view schematically showing the smart card of FIG. 1 being read to a card reader
  • FIG. 4 is a schematic view of the head of the card reader and the magnetic field generating unit of the smart card when the smart card of FIG. 1 is read to the card reader
  • 5 is a view showing a change in the magnetic field generated in the magnetic field generating unit of the smart card of FIG. 1 with time
  • FIG. 6 is a smart to sequentially generate a dynamic magnetic field according to an embodiment of the present invention This is a flowchart showing the control method of the card.
  • the smart card 10 may be used by scratching the smart card 10 in a slot formed in the card reader 20.
  • the card reader 20 is a conventional general magnetic card reader, and as shown in FIG. 3, the card reader 20 may have a slot in which a long side portion of the smart card 10 may be inserted.
  • the smart card 10 may be in the form of a slot having a form in which the whole is inserted into the short side.
  • the smart card 10 is used as a method of scratching.
  • the smart card 10 may be used as a method of sequentially generating a dynamic magnetic field while being inserted into a slot of the card reader 20. have.
  • the magnetic field generating unit 150 of the smart card 10 is composed of an electromagnet to generate a magnetic field over the entire area, the slot is inserted into the card reader 20 as shown in FIG. Can also carry a magnetic field signal.
  • the card reader 20 may be a device capable of recognizing a magnetic field signal generated by the smart card 10, and the idea of the present invention is that the use of the card reader 20, for example, credit transactions, financial transactions, etc. It is not limited by.
  • the magnetic field generating unit 150 may be composed of three tracks 152, 154, and 156, and as described above, each track 152, 154 and 156 may be composed of one electromagnet. .
  • the first track 152 may generate a magnetic field corresponding to the first track information of the existing magnetic card
  • the second track 154 may generate a magnetic field corresponding to the second track information of the existing magnetic card.
  • the third track 156 may generate a magnetic field corresponding to the third track information of the existing magnetic card.
  • the first track information is provided by the first track 152
  • the second track information is provided by the second track 154
  • the third track information is provided by the third track 156. Can be.
  • the card reader 20 is provided with a main body 21 and a magnetic field signal recognized by the head unit 200 and the head unit 200 installed on the main body 21 to detect a magnetic field generated by the smart card 10. It may include a reader control unit 22 to perform a predetermined process by processing.
  • the head unit 200 may be installed toward the inside of the slot.
  • the head unit 200 may be exposed to an inner space of the slot and may be shielded by a predetermined member, but in any case, the head unit 200 may be provided to recognize a magnetic field of the smart card 10 passing through the slot.
  • the head unit 200 may be provided with three heads 210, 220, 230 to read three track information.
  • the first head 210 may detect a magnetic field generated in the first track 152
  • the second head 220 may detect a magnetic field generated in the second track 154
  • 230 may detect a magnetic field generated in the third track 156.
  • the head unit 200 may detect first track information, second track information, and third track information provided by the magnetic card.
  • the distance d1 between the first head 210 and the second head 220 and the distance d2 between the second head 220 and the third head 230 may be previously determined according to a standard.
  • An interval between the first track 152 and the second track 154 and an interval between the second track 154 and the third track 156 may correspond thereto.
  • the head unit 200 is configured such that when the smart card 10 is read by the card reader 20, the center of each track 152, 154, 156 is substantially the center of each head 210, 220, 230. It can be arranged to pass through.
  • three heads are provided in the head unit 200 as an example.
  • the number of heads may vary.
  • specific track information may be unnecessary depending on the purpose of using the card reader 20, and the head unit 200 mounted on the card reader 20 may include only one or two heads.
  • the head detection capable of detecting the head (210, 220, 230) provided in the head unit 200 Unit 160 may be provided.
  • the head sensing unit 160 may be provided so as not to be exposed to the outside of the smart card 10 in appearance, and may be disposed side by side with the magnetic field generating unit 150 in a portion corresponding to a conventional magnetic strip.
  • the head sensing unit 160 detects the heads 210, 220, and 230 of the card reader 20, but according to the exemplary embodiment, the heads 210, 220, and 230 are mounted. It may consist of recognizing an installation unit or an identifier provided separately.
  • the head detector 160 may not detect the counterpart of the card reader 20, but may detect that the smart card 10 is scratched by detecting the movement of the smart card 10. In other words, the head detector 160 detects the moment when the smart card 10 is scratched by the card reader 20, and the controller 110 generates the magnetic field generator 150 according to the detection result of the head detector 160. Supply current to
  • the head detecting unit 160 When the user scratches the smart card 10 on the card reader 20, the head detecting unit 160 first faces the head unit 200, and detects the presence of the heads 210, 220, and 230 to detect the smart card.
  • the control unit 110 of 10 transmits a signal (S100).
  • the controller 110 When the controller 110 receives a signal indicating that the head detector 160 detects the heads 210, 220, and 230, the controller 110 supplies current to the magnetic field generator 150 to track each track 152, 154, and 156. It generates the magnetic field sequentially through (S200).
  • the controller 110 may generate the magnetic field in the order of the first track 152, the second track 154, and the third track 156.
  • the controller 110 generates a magnetic field through the second track 154 after the magnetic field generation through the first track 152 is completed, and generates a third track after the magnetic field generation through the second track 154 is completed.
  • 156 may generate a magnetic field.
  • the magnetic field signals generated in the tracks 152, 154, and 156 may not overlap each other.
  • the magnetic field signals generated through the tracks 152, 154, and 156 are magnetic field signals that can be read by the reader controller 22, and specifically, magnetic fields generated at predetermined intervals as shown in FIG. 5. May be a signal.
  • the control unit 110 of the smart card 10 may intermittently supply the current to the magnetic field control unit 150.
  • the controller 110 may supply a current from t1 to t2 according to a predetermined time interval and the number of times in the first track 152, and thus a magnetic field may or may not be generated.
  • the magnitude (m) of the generated magnetic field may be set to a size that can effectively detect the change in the magnetic field at least in the first head 210, in this embodiment, each track (152, 154, 156) Since the track information is sequentially generated at, the second head 220 or the third head 230 may be set to a size that can effectively detect the change in the magnetic field.
  • the predetermined time interval and the number of times may be the card information of the card selected by the user, which is stored in the memory 110 and loaded according to the user's card selection. That is, the card reader 20 may recognize the magnetic field generated as a binary code consisting of 0's and 1's. As an example, when there is no change in magnetic field generation during a setting unit time (1 bit period), the card reader 20 recognizes this as 0, and when there is a change in magnetic field generation, the card reader 20 may recognize this as 1.
  • Each unit time can be distinguished by the generation of a magnetic field. As such, the magnetic field signal generated in the first track 152 may vary according to the card selected by the user, and the smart card 10 dynamically generates the magnetic field signal.
  • the controller 110 may wait until t3.
  • the waiting time (t3-t2) may be set to a value larger than zero, and may be appropriately adjusted according to the set total magnetic field generation time.
  • the controller 110 After t3, the controller 110 generates a magnetic field through the second track 154 up to t4 in the same manner as above.
  • the magnetic field signal generated at this time may be card information of a card selected by a user stored in the memory 120 and may be a signal corresponding to track 2 information.
  • the controller 110 may wait until t5, and likewise, the waiting time t5-t4 may be set to a value greater than zero. Thereafter, the controller 110 may supply a current to the third track 156 from t5 to t6 to generate a magnetic field signal corresponding to the track 3 information.
  • the intensity of the magnetic field generated in the second track 154 and the third track 156 may be equal to m, but is not limited thereto and may be effectively applied to the second head 220 and the third head 230, respectively. It is safe to generate a magnetic field larger than the size that can be recognized.
  • the controller 110 has been described as an example to generate a magnetic field by supplying a current in the order of the first track 152, the second track 154, the third track 156, respectively,
  • the order in which the currents are supplied to the tracks 152, 154, and 156 may be changed, and such a current supply order may be preset.
  • the current is supplied to all three tracks 152, 154, and 156 as an example. However, in some cases, one track may not be used. In this case, the controller 110 may sequentially supply current to two or more tracks among the three tracks 152, 154, and 156.
  • the current supply to each track 152, 154, 156 is described as taking the next track after the current supply to any one track is completed as an example, it is set to overlap some sections May be
  • the current supply to the second track 154 begins before the supply of current to the first track 152 ends, or the third track 156 before the supply of current to the second track 154 ends.
  • Supply of current to the vessel may be started.
  • the card reader 20 may detect the magnetic field signal generated as described above through the head unit 200, and the reader controller 22 may read it, interpret it as a predetermined binary code, and then proceed with subsequent processing.
  • the card reader 20 can effectively read each track information if magnetic field information is input within a preset valid time even if magnetic fields are sequentially generated in the respective tracks 152, 154, and 156 as in the present embodiment. have. At this time, it is obvious that the time t6 for the controller 110 to supply the current to each track to complete the magnetic field generation should be within the preset valid time.
  • the track information can be generated so that the magnetic field signals generated in each track (152, 154, 146) do not overlap each other
  • the card reader 20 can clearly recognize each track information, the card information recognition rate of the smart card 10 can be improved and the card information can be accurately transmitted to the card reader 20.
  • a magnetic field of a magnitude that can be recognized by other adjacent heads instead of the corresponding heads 210, 220, and 230 may be generated.
  • the corresponding head can recognize the track information more reliably, and since the information recognized through the other head is not the track information of the corresponding standard in the reader control unit 22, it is determined that it is noise. Track information may be transferred to the reader 20.
  • the smart card 10 can be configured without additional mechanical means (such as a shielding film) for preventing the magnetic field signal generated in each track 152, 154, 156 from affecting adjacent tracks, the general card The space utilization problem of the smart card 10 to be implemented in size can be greatly improved.
  • FIG. 7 is a diagram schematically illustrating a state of a head of a card reader and a magnetic field generating unit of a smart card when a smart card sequentially generating a dynamic magnetic field is read to a card reader according to another embodiment of the present invention.
  • the magnetic field generating unit 150a of the smart card 10a may include a first track 152a and a third track 156a.
  • the first track 152a is disposed at a position corresponding to track 1 of the conventional magnetic card as in the above embodiment, and disposed at a position corresponding to the first head 210 of the card reader 20.
  • the third track 156a is disposed at a position corresponding to track 3 of the conventional magnetic card as in the above embodiment, and at a position that may correspond to the third head 230 of the card reader 20. Is placed. That is, the smart card 10a according to the present embodiment may have a form in which the second track 154 is omitted in the above embodiment. In other words, no track may be provided between the first track 152a and the third track 156a.
  • the first track 152a may generate both the first track information and the second track information.
  • the control unit 110 transmits a current for generating a magnetic field signal from t1 to t2 and a current for generating a magnetic field signal from t3 to t4, as illustrated in FIG. 5, in the first track 152a. All may be provided at 152.
  • the magnitude of the current provided by the controller 110 that is, the magnitude of the magnetic field generated from the first track 152a may be set large enough to recognize the change in the magnetic field in the second head 220. It can be set to a value larger than the m value in the above embodiment. In this case, the magnitude of the magnetic field generated in the first track 152a may be larger than the magnitude of the magnetic field generated in the third track 156a.
  • the first track information may include a start signal (SS), a format code (Format Code), a primary account number (PAN), and a field separator (FS). It may be composed of a Name, a field separator, Additional Data, Additional Data, Discrete Data, End Sentinel, and Longitudinal Redundancy Check Character (LRC).
  • the second track information may be composed of a start signal, a main account, a field separator, additional data, free data, an end signal, and a vertical redundancy check character.
  • the third track information may include a start signal, a format code, a main account, a field separator, use and security data, additional data, an end signal, and a vertical duplicate check character.
  • the first track information uses% and as the start signal and the end signal, respectively, and the second track information and the third track information use; and? As the start signal and the end signal. Therefore, in the card reader 20, the first track information and the second track information or the first track information and the third track information are less likely to be confused, and the second track information and the third track information are more likely to be confused.
  • the track information can be stably and reliably provided to the card reader 20. .
  • the smart card 10 uses the first track 152a, but sequentially generates the first track information and the second track information, thereby reducing the risk of confusion.
  • the first track 152a provides the first track information and the second track information
  • the third track 156a provides the third track information.
  • 152a may provide only the first track information
  • the third track 156a may provide the second track information and the third track information. That is, either one of the first track 152a and the third track 156a may provide two track information.
  • FIG. 8 is a view schematically illustrating a state of a head of a card reader and a magnetic field generating unit of a smart card when a smart card sequentially generating a dynamic magnetic field is read to a card reader according to another embodiment of the present invention.
  • the magnetic field generator 150b of the smart card 10b may be composed of a first track 152b and a third track 156b.
  • the first track 152b may be disposed at a position between track 1 and track 2 of the existing magnetic card. That is, the first track 152b may be disposed in an area between the first head 210 and the second head 220 of the card reader 20.
  • the smart card 10b may generate a magnetic field signal that can be recognized by both the first head 210 and the second head 220 without providing a large amount of current to the first track 152b. Therefore, the power consumption of the smart card 10b can be reduced, and the time for which the smart card 10b can be used with one charge can be increased.
  • the user may request the use of the smart card 10 from a third party.
  • the user may switch the smart card 10 to the restricted use mode and then pass it to the third party.
  • the usage restriction mode refers to a mode in which the smart card 10 does not provide card information to a card reader when a preset condition is met. For example, after the smart card 10 is switched to the usage restriction mode, the usage restriction mode 1 After using the information once, that is, the card reader once, the information may no longer be provided to the card reader. Alternatively, information may be provided to the card reader only within 30 seconds after the smart card 10 is switched to the restricted use mode, and thereafter, information may not be provided to the card reader.
  • the third party may use the smart card 10 as a method of scraping or inserting the smart card 10 into the card reader within a limited usable condition.
  • the controller 110 may expose any one card information selected by the user to the exposed terminal unit 140.
  • the card reader may be transmitted to the card reader in a contact manner or may be provided to the card reader by generating a magnetic field through the magnetic field generator 150.
  • the smart card 10 may be automatically switched to a state in which card information cannot be provided even if a third party or a user does not take any other action.
  • the user may turn off the power of the smart card 10 using the power button 182.
  • the user may select card information of a specific card from among card information of a plurality of cards stored in the smart card 10 through the user interface 180.
  • the smart card 10 can be switched to the usage restriction mode.
  • the usage restriction mode refers to a mode in which the smart card 10 does not provide the card information to the card reader when a predetermined condition is satisfied.
  • the memory 130 may store usage restriction information for limiting the use of the smart card 10.
  • the usage restriction information is a condition for switching the smart card 10 from a usable use state to an unusable use restriction state, and may include the number of use or the available information.
  • the usage restriction information may be set such that the card information is provided only once or only up to 30 seconds from the touch from the time when the user gives an input for switching to the usage restriction mode.
  • FIG. 9 is a diagram illustrating an example of a method of switching the smart card of FIG. 1 to a restricted use mode.
  • the usage restriction mode may be switched by an operation of the smart card 10 or may be switched by communication with a portable terminal 20 that can communicate with the smart card 10.
  • the user may switch the smart card 10 to the restricted use mode by using the user interface 180.
  • the user may switch the smart card 10 to the usage restriction mode by touching the touch screen 184 according to a preset pattern. Specifically, when the smart card 10 touches the entire left half of the touch screen 184 as illustrated in FIG. 9A, the smart card 10 may be switched to the usage restriction mode.
  • a condition for switching to the usage restriction state may be set in advance and stored in the memory 130.
  • different conditions may be set according to a user's operation pattern. For example, when the user touches only 1/2 of the touch screen 184, the number of available times may be set as one, and when the user touches the touch screen 184 as a whole, the number of available times may be set as two times. .
  • condition for switching to the usage restriction state is stored in the portable terminal 20 interworking with the smart card 10, and when switching to the usage restriction mode, the smart card 10 communicates with the portable terminal 20 and is portable.
  • the condition may be received from the terminal 20.
  • the idea of the present invention is that the smart card 10 is switched from the available state of the card to the impossible state when the specific condition is satisfied according to the intention of the user. It does not limit the spirit of the present invention.
  • the switching to the restricted use state is described based on the area where the touch screen 184 is touched, but the spirit of the present invention is not limited thereto.
  • the transition to the restricted use state may be performed by various methods such as a password input, a fingerprint input, and a pattern input using the user interface 180.
  • the smart card 10 may be driven to switch to the usage restriction mode by default when the user selects the card. It may also be controlled to switch to the usage restriction mode when the user selects the card in a particular way. For example, when the user touches the left half of the touch screen 184, the smart card 10 simply selects a card to be used as a preset card, and touches the right half of the area. The control unit may be controlled to select a card to be used as a preset card and to switch to the usage restriction mode at the same time.
  • the smart card 10 when the user touches a half area of the touch screen 184 in the horizontal direction, the smart card 10 simply selects the card to be used, and when the user touches in the vertical direction, the card is selected. It can be controlled to switch to the usage restriction mode with a selection.
  • the smart card 10 may be switched to the restricted mode through the portable terminal 20 that can communicate with the smart card 10.
  • a user may operate the mobile terminal 20 such as a smart phone capable of data communication with the communication unit 170 of the smart card 10 to switch the smart card 10 to the restricted mode. Can be.
  • the user may input a password, position input, drag pattern input, fingerprint input, swipe input, touch count input, touch timing input using interface means provided in the portable terminal such as a button or a touch screen of the portable terminal 20.
  • the smart card can be used to enter the restricted mode switching command.
  • the portable terminal 20 may transmit a command signal for switching the usage restriction mode to the smart card 10.
  • the control unit 110 of the smart card 10 switches to the usage restriction mode as described above, when a usage restriction mode switching command is input from the portable terminal 20 through the communication unit 170.
  • FIG. 10 is a flowchart illustrating a control method of a smart card according to an embodiment of the present invention.
  • the controller 110 selects card information of a card to be used by a user from among card information of a plurality of cards stored in the memory 130 through the user interface 180. S1000 is performed.
  • the user swipes the touch screen 110, draws a preset pattern, enters a password, enters a preset number matched with card information, selects a specific location, or touches a specific area. You can select the cards you want to use.
  • the controller 110 When the user's card selection is completed, the controller 110 performs a card information loading step (S2000) of loading card information of the selected card from the memory 130.
  • the card information loading step S2000 is performed immediately after the card information selecting step S1000.
  • the card information loading step S2000 may be performed at an arbitrary time point before the card is used. .
  • the controller 110 When the card selection and the loading of the card information is completed, the controller 110 performs a usage restriction mode switching step (S3000) receiving an input for switching the usage restriction mode.
  • the input for switching the usage restriction mode may be made through the user interface unit 180 or may be made through the portable terminal 20 that can communicate with the smart card 10.
  • the user may operate the touch screen 184 in a predetermined manner to input a usage limit mode switch command or input a usage limit mode switch command to the touch screen of the portable terminal 20.
  • the input for the use restriction mode switching is separately received from the input for the card selection as an example.
  • the input for the use restriction mode switching may be included in the input for the card selection. That is, the user may perform input for card selection and input for switching the usage restriction mode in one operation.
  • the input for switching the usage restriction mode may be performed before the input for card selection. That is, the controller 110 may first perform the usage restriction mode switching step S3000, and then may perform the card information selection step S1000.
  • setting the usage restriction information means that the usage restriction information corresponding to the input is loaded from the memory 130, received from the user, or received from the portable terminal 20. It means to set the condition to limit usage.
  • the usage restriction information may be set differently according to an input for switching the usage restriction mode. For example, when the user's input through the touch screen 184 is the first pattern, the usage may be set only once as the usage restriction information, and in the case of the second pattern, the usage is set only twice as the usage restriction information. Can be.
  • the user may directly set usage restriction information through the user interface 180 or the like. For example, when the user enters the number 30 through the touch screen 184, usage may be set within 30 seconds as a usage restriction condition, and when the number 60 is entered, usage within 60 seconds may be set as the usage restriction condition. .
  • the usage restriction information setting step S4000 is performed immediately after the usage restriction mode switching step S3000, but the spirit of the present invention is not limited thereto.
  • the usage restriction information setting may be set just before delivering the card information after the smart card 10 recognizes the card reader, and may be used to determine whether it is in an available state.
  • the controller 110 performs a card reader recognition step S5000 for recognizing whether the smart card 10 is used, that is, the card reader. Specifically, the controller 110 recognizes the card reader by detecting contact or supply of power or signal transmission through the exposure terminal unit 140, or by detecting the head of the card reader through the head sensor 160. can do.
  • the controller 110 can determine whether the smart card 10 is in a usable state, that is, whether or not the smart card 10 can be used to determine whether the use restriction condition set in the use restriction information setting step S4000 is met.
  • the determination step S6000 is performed.
  • the availability determination step S6000 may be performed by a method of determining whether the condition is satisfied at the time when the smart card 10 is used. For example, whether the smart card 10 is in a usable condition at the time when the card is recognized in the card reader recognition step S5000, specifically, whether the number of available times remains, and whether it is within a usable time range. One or more can be determined as a condition.
  • the availability determination step S6000 may be performed by checking a usable flag stored in the memory 130.
  • the controller 110 may change the value indicating the card availability state to the memory 130 to impossible, and determine whether the smart card 10 is available.
  • the value may be determined to determine whether it is available.
  • the controller 110 may load the card information loaded in the card information loading step S2000 through the exposed terminal unit 140, the magnetic field generating unit 150, the communication unit 170, and the like.
  • the card information providing step S7000 provided to the card reader may be performed.
  • the controller 110 may perform a card state change step S8000 of changing a value indicating a card availability state to a value corresponding to the inability to use according to whether the usage restriction condition is satisfied.
  • control unit 110 may expose the exposed terminal unit 140, the magnetic field generating unit 150, and the communication unit ( 170) card information is not transmitted.
  • the owner of the smart card 10 using the smart card 10, before entrusting the use of the card to a third party After switching to restricted mode, you can leave it to a third party. Therefore, since the third party can use the smart card 10 only within limited conditions, for example, the number of available times and the available time, the third party can prevent the smart card 10 from being used for an illegal purpose. Therefore, the owner of the smart card 10 can be entrusted with the use of the card to a third party with confidence, the usability can be greatly improved.
  • the smart card 10 may be used several times to prevent the problem that the damage is increased.
  • the smart card and the control method for generating the dynamic magnetic field sequentially according to an embodiment of the present invention has been described as a specific embodiment, but this is only an example, the present invention is not limited to this, the basic idea disclosed herein It should be construed as having the broadest range according to.
  • One skilled in the art can combine and substitute the disclosed embodiments to implement a pattern of a shape that is not indicated, but this is also within the scope of the present invention.
  • those skilled in the art can easily change or modify the disclosed embodiments based on the present specification, it is apparent that such changes or modifications belong to the scope of the present invention.
  • the smart card and the control method for generating the dynamic magnetic field sequentially according to embodiments of the present invention can be used in the smart card industry.

Abstract

La présente invention concerne une carte à puce, et plus particulièrement une carte à puce permettant de générer des champs magnétiques dynamiques de façon séquentielle, et comprenant : une plaque ; une batterie installée dans la plaque ; une mémoire située dans la plaque et destinée à mémoriser des informations de carte d'une pluralité de cartes ; une unité d'interface utilisateur se trouvant sur la surface externe de la plaque et pouvant recevoir en provenance de l'utilisateur une sélection des informations d'une carte que l'on souhaite utiliser ; une unité de génération de champs magnétiques ayant une pluralité de pistes qui peuvent recevoir un courant en provenance de la batterie et générer des champs magnétiques ; et une unité de commande conçue pour lire, dans la mémoire, des informations de carte qui incluent au minimum deux éléments d'informations de pistes parmi des premières, des deuxièmes et des troisièmes informations de pistes d'une carte sélectionnée par l'utilisateur au moyen de l'unité d'interface utilisateur, exécuter une procédure au cours de laquelle le courant est fourni de façon séquentielle à chacune des pistes selon l'ordre dans lequel la pluralité de pistes sont mémorisées par la mémoire et dans lequel des champs magnétiques qui correspondent aux éléments d'informations de pistes sont générés de façon séquentielle, et fournir ainsi un signal de champs magnétiques, qui correspond aux informations de carte d'une carte sélectionnée par l'utilisateur, au moyen de l'unité de génération de champs magnétiques.
PCT/KR2017/002283 2016-03-02 2017-03-02 Carte à puce permettant de générer des champs magnétiques dynamiques de façon séquentielle, et son procédé de commande WO2017150924A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
KR20160024877 2016-03-02
KR10-2016-0024877 2016-03-02
KR10-2016-0024874 2016-03-02
KR20160024874 2016-03-02
KR1020160049583A KR101760669B1 (ko) 2016-03-02 2016-04-22 순차적으로 동적 자기장을 발생시키는 스마트 카드 및 그 제어 방법
KR10-2016-0049580 2016-04-22
KR1020160049580A KR101755592B1 (ko) 2016-03-02 2016-04-22 스마트 카드 및 그 제어 방법 및 휴대용 단말기
KR10-2016-0049583 2016-04-22

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WO2017150924A1 true WO2017150924A1 (fr) 2017-09-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100671373B1 (ko) * 2005-11-30 2007-01-19 후지쯔 가부시끼가이샤 휴대 기기, ｉｃ 카드 기능 로크 제어 프로그램을 기록한컴퓨터 판독가능한 기록매체, 및 ｉｃ 카드 기능 로크 제어방법
JP2012212451A (ja) * 2005-04-27 2012-11-01 Privasys Inc 電子カード読み込み方法
US8594730B2 (en) * 2008-08-20 2013-11-26 X-Card Holdings, Llc Secure smart card system
US9224141B1 (en) * 2014-03-05 2015-12-29 Square, Inc. Encoding a magnetic stripe of a card with data of multiple cards
KR20160008444A (ko) * 2014-07-14 2016-01-22 브릴리언츠 주식회사 스마트멀티카드

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012212451A (ja) * 2005-04-27 2012-11-01 Privasys Inc 電子カード読み込み方法
KR100671373B1 (ko) * 2005-11-30 2007-01-19 후지쯔 가부시끼가이샤 휴대 기기, ｉｃ 카드 기능 로크 제어 프로그램을 기록한컴퓨터 판독가능한 기록매체, 및 ｉｃ 카드 기능 로크 제어방법
US8594730B2 (en) * 2008-08-20 2013-11-26 X-Card Holdings, Llc Secure smart card system
US9224141B1 (en) * 2014-03-05 2015-12-29 Square, Inc. Encoding a magnetic stripe of a card with data of multiple cards
KR20160008444A (ko) * 2014-07-14 2016-01-22 브릴리언츠 주식회사 스마트멀티카드

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