KR20080039330A - Display and control device for contact and contactless smart card terminal and circuit of the device - Google Patents

Display and control device for contact and contactless smart card terminal and circuit of the device Download PDF

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Publication number
KR20080039330A
KR20080039330A KR1020070138208A KR20070138208A KR20080039330A KR 20080039330 A KR20080039330 A KR 20080039330A KR 1020070138208 A KR1020070138208 A KR 1020070138208A KR 20070138208 A KR20070138208 A KR 20070138208A KR 20080039330 A KR20080039330 A KR 20080039330A
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KR
South Korea
Prior art keywords
smart card
terminal
information
cpu
display
Prior art date
Application number
KR1020070138208A
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Korean (ko)
Inventor
탁승호
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탁승호
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Priority to KR1020070138208A priority Critical patent/KR20080039330A/en
Publication of KR20080039330A publication Critical patent/KR20080039330A/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0021Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts
    • G06K7/0026Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts the galvanic contacts of the connector adapted for landing on the contacts of the card upon card insertion
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0056Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers housing of the card connector
    • G06K7/0065Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers housing of the card connector comprising keyboard or display, e.g. a pocket calculator sized casing suitable for off-line checking the remaining money on a smart banking card
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01Details

Abstract

A display/input device for a contact/contactless smart card terminal and a circuit applied to the same are provided to enable a user to use the smart card in a restricted range without connecting the smart card terminal to a PC by using the display/input device used with the smart card terminal. A body(510) includes a USB(Universal Serial Bus) port(520), a display device(530) displaying an operation condition and information inputted to a smart card and operation buttons(540). A PCB(Printed Circuit Board) is installed to the inside of the body, and includes a CPU, a memory and a security module. Smart card use including balance check, lock/unlock, or PIN(Personal ID Number) change operations is available by displaying the information inputted to the smart card and an operation condition. An online information exchange function including downloading application software to a memory and updating a password of the security module is available when a PC USB port is connected.

Description

Display and control device for contact and contactless smart card terminal and circuit of the device

The present invention relates to a subsidiary device of a micro terminal for a smart card, and more particularly, to a device and a circuit for allowing a smart card to be used directly without being connected to a computer.

Recently, credit cards are widely used due to the convenience, convenience, and safety of portable devices. EMV (Europay, Mastercard, Visacard) credit / debit cards, which are smart cards that cannot be forged / modulated due to security problems, have been commercialized. By the way, if the smart card reader is attached to all PCs, there is no problem, but it is common that the smart card reader is not yet attached to the PC and the notebook PC. And most PCs and notebook PCs generally adopt USB ports. (The USB port is called the "Host USB port" and the port on the plug side is called the "Host USB port." Is referred to as a "slave USB port", both of which are collectively referred to as a "USB port" unless otherwise confused.)

In such a computer environment, if there is a small personal terminal in the form of a USB storage device that can be used by connecting a credit card, ID card, etc. carried in a personal wallet to a USB port of a PC or a notebook PC anytime, anywhere, Cards, identity cards, etc. can be integrated into the cyber space through the USB port of the PC, thereby creating a new market for various application fields that could not be realized in the past.

Unlike existing passports, driver's licenses and ID cards, smart cards such as e-passports, e-driver's licenses and e-IDs can be used for various services in cyberspace using communication means such as the Internet and mobile devices. do. In order to use them more diversely and conveniently, you can download the e-VISA from the embassy of each country on the Internet and record it in the ePassport or update the record information such as the change of the address of the driver's license with the server of the National Police Agency. It should be able to easily access cyberspace through PC or office or home PC or wired / wireless communication network such as mobile communication terminal.

In the case of EMV credit / debit cards that are 100% issued in Europe, credit card payments can be made only by entering a PIN (Personal Identification Number) without BL (Black List) check online at EMV credit card merchants. And the CD / ATM is used for bank transfer, electronic fund transfer and payment. However, until now, payment and transfer of funds through wired / wireless communication networks such as internet / wireless internet and mobile are impossible due to physically different contact terminals of the USB port of the PC and the smart card of ISO7816 standard. Due to the different protocols, a separate external smart card reader is connected to a PC. However, the external smart card reader is large in size and requires a separate USB cable to carry, so it is inconvenient to use a smart card. On the other hand, if the smart card reader is embedded in the PC in order to eliminate such inconvenience, the loss of portability becomes a problem.

Recently, a contact smart card in which a semiconductor chip is bonded to a plastic card as a COB (Chip On Board) type contact terminal has been used for various purposes such as an EMV credit / debit card, a financial card, and an electronic identity card. In addition, a contactless smart card with a built-in loop antenna is also widely used in parallel with a contact smart card, and is quickly and conveniently used. A smart card that can be used both in a contact type and a contactless type is provided with both a contact terminal and a loop antenna. The smart card is being used as a single card commercially available as a multi-use card that can perform a variety of functions, such as credit card, transportation card, e-passport, electronic license. Such contact or contactless smart cards can input a large amount of information, cannot be tampered with, and can be given appropriate security functions. Therefore, the range of use is increasing day by day.

Typically, EMV credit / debit cards are entered at the merchant's Electronic Funds Transfer at Point Of Sale (EFT-POS) terminal by entering the PIN of the cardholder's individual, replacing the signature with an electronic signature, and paying the account to the financial institution's CD / ATM. It is used to transfer money, etc.This EMV credit / debit card has become a de facto standard in Europe, and in 2003, 100% of financial cards were replaced by smart cards, and APEC countries were issued until 2008. All magnetic stripe credit cards will be replaced by smart cards.

The portable smart card terminal that has been commercialized so far has to be inserted into the terminal, so its size should be at least greater than 54mm in length. Therefore, it is inconvenient to carry and expensive, making it difficult for individuals to possess and use. There is this. Therefore, the utility and effectiveness of EMV credit / debit cards are not increasing as a means of payment and payment of Internet / mobile banking or Internet cyber mall / mobile.

In addition, when an individual uses an ePassport of ISO 7501, ICAO 9303 standard, an electronic driver's license of ISO 18013 standard, next-generation electronic ID card of international standard, and e-ID, etc. When signing an e-signature, an e-passport issued through a due process must be recorded in an ePassport consisting of ISO14443 Type A and Type B PICCs (Proximity Integrated Circuit Cards), which is a portable personal terminal (PCD: Proximity Card Device). ), It is very inconvenient to use, such as the date when the e-Passport was stamped is not personally identifiable.

In addition, the PICC transportation card, which is being used as a means of paying transportation fees, such as city buses and subways, is also inconvenient in the means in which the cardholder directly recharges the balance or remotely pays the charged amount.

As described above, communication technologies such as NFC (Near Field Communication) required for the use of smart cards have already been developed, but problems such as the size, volume, weight, and terminal price of the smart card terminal are limited. Because of this, there are many restrictions on the use of smart cards.

It can input a large amount of information, cannot be altered, tampered with, and imparts a high level of security, providing excellent contact and contactless smart cards for security, credit / debit cards, financial cards, ePassports and electronic driver's licenses. In order to connect the electronic ID card to a PC or laptop PC and use it in various cyber spaces such as the Internet, it is necessary to use a compact and portable terminal that has dramatically reduced the universal size of the existing smart card reader. Develop.

In addition, a separate portable display input device has been developed to enable the use of smart cards even in places without the Internet, mobile communication networks, etc. Smart card holders can check the balance of electronic cards / electronic wallets, lock / You should be able to use basic functions such as unlock, PIN change, etc.

The present invention satisfies the above requirements, and relates to a portable display input device and a circuit thereof for use with a smart card terminal.

As shown in FIG. 9, as shown in FIG. 9, a host USB port 520 is attached to the body 510 so that the slave USB port 130 of the smart card terminal can be inserted therein. On one side, there is a display element 530 to view the information and operation status recorded on the smart card, and on the other side, operation buttons 540 are attached to check balance, lock / unlock, change PIN, etc. I could do it. The display input device has a built-in circuit board for performing the above operation. The display input device is provided with an NFC antenna 560, a wireless USB antenna 561, and a direct / bluetooth antenna 562 to exchange information wirelessly with a data communication device such as a computer by a short range communication method. have.

By using a display input device that can be used with a smart card terminal, a smart card can be used in a limited range without connecting the terminal to a PC or the like.

Smart card (hereinafter referred to as a card) terminal of the present invention (hereinafter referred to as a terminal) is a portable terminal of the size and shape of the ultra-mini USB flash storage device, both wings spread out and used to switch to use mode. The wings can be unfolded either by folding or unfolding the wing automatically or manually, by sliding the wing into or out of the wing, or by assembling two separate components. .

In order to accurately place ID781-sized smart card COB of ISO7816-P2 in the contact terminal of the terminal, this terminal should match the length of the guide groove at the end of both wings in the use mode with the length of the vertical side of the smart card. . In addition, the vertical length of the ISO14443 PICC contactless smart card is the same, so that the loop antenna of the PCD and the loop antenna of the PICC can communicate with each other in close proximity. Therefore, the card user can easily insert and use the card in the terminal.

The terminal is equipped with a USB port, so that the card can be directly connected to a PC using the card and can be used in combination with a separate display input device. The terminal incorporates a PCD loop antenna on the top or the bottom of the terminal, so that the ISO14443 contactless smart card can be used interchangeably with the ISO7816 contact smart card.

The structure of the terminal is basically composed of a small body 100, and wings 200 that can be deployed in the body.

The wing 200 has a guide portion 220 formed at one end of the arm (Arm, 210), the other end is configured to be coupled to the body. The wings are folded when carrying and are embedded in or adhered to the body 100, and when the card is inserted into the terminal, the wings are opened so that the guide portion 220 accommodates two edges of the vertical side of the card, thereby making contact with the card. And the contact terminal of the body 100 to make accurate contact. There are various ways to fold or unfold the arm, as in the following examples.

Example 1.

In this embodiment, as shown in Figure 1, the two arms of the left and right symmetry (210-1) is produced in the form surrounding the upper and lower surfaces of the body 100, the guide portion 220 is formed at the end thereof, The wings are foldable terminals that are coupled to the body by a hinge 230 and spread out to the left and right of the body.

(A) is a portable mode with the wings folded, (b) is an intermediate process with the wings unfolded, (c) is the usage mode with the wings fully extended, and (d) the card is inserted into the body in the use mode. (E) is a side view, and (f) is a sectional view of a slot portion.

The wing forms a stopper in the body that prevents it from rotating back more than 90 degrees. If the wings are manufactured in this way, the thickness of the terminal becomes a little thicker, but the rigidity of the wings is increased, and thus there is an advantage that damage does not occur easily.

Example 2.

This embodiment is as shown in Figure 2, (a) is a portable mode with the wings folded, (b) is an intermediate process that the wings are unfolded, (c) is a use mode with the wings fully extended, (d) In the mode of use the card is inserted into the body, (e) is a side view, (f) is a cross-sectional view of the slot portion. This embodiment is an arm 210-2 of the form of the left side of the arm of the wing of the first embodiment, the wing is coupled to the lower cover of the body by a hinge 230-1 to spread to the left and right of the body It is a folding terminal. If the wings are manufactured in this way, the structural strength is somewhat lowered, but the thickness of the terminal is reduced.

Example 3.

This embodiment is shown in Figure 3, (a) is a portable mode in which the wing 200 is folded into the body 100, (b) is a use mode with the wings fully extended, (c) is a use mode In the card is inserted into the body.

If the wings are completely folded into the body in this manner, the size of the body may be somewhat large, but the structure is very simple in the portable mode, and there is less fear of the wing breaking.

Example 4.

This embodiment is as shown in Figure 4, where (a) is a portable mode with the wings folded, (b) is a usage mode with the wings fully open, (c) is a side view, and (d) is a slot in the portable mode Is a cross-sectional view of the portion, and (e) is a cross-sectional view of the slot portion in use mode.

This embodiment is a slide-type terminal that can be pushed in and pulled out of the wing 200 into the body (100). The wing has a plate-shaped arm 210-3, and a guide portion 220 is formed at an outer end thereof. And when the wings fall by a predetermined length, it is good to form a jaw on the other end of the wings so that it can not fall out anymore, and a stopper on the body. When the terminal is manufactured in such a sliding manner, the wing is inserted into the body instead of being exposed to the outside in a normal portable mode, so there is little fear of damage.

Example 5.

In the present embodiment, as shown in FIG. 5, one wing is foldable as in Embodiment 1, 2 or 3, and the other wing is a sliding type terminal as in Embodiment 4. . (a) is the portable mode with the wings folded, (b) is the usage mode with the wings fully extended, (c) is the side view, (d) is a cross-sectional view of the slot portion in the portable mode, and (e) is the usage mode. Sectional view of the slot.

If the terminal is manufactured in such a complex type, the terminal can be made smaller.

Example 6.

In this embodiment, as shown in FIG. 6, the wing 200 of the terminal is integrally manufactured and the assembled terminal is configured to accommodate the body 100 therein. (a) is the portable mode in which the body is housed in the wing, (b) is the process of assembling the body in the wing, (c) is the use mode in which the body is fully assembled in the wing, and (d) is the card in the use mode. Is inserted.

In the present embodiment, the wings are manufactured in the shape of a bar having a U-shaped cross section, the front face is blocked and the rear face is open. The body is housed in the open rear. And the center of the front of the wing is formed with a square hole that can be inserted into the USB port of the body.

In the portable mode, the body accommodated in the wing is removed and inserted into the USB port hole of the wing to be assembled.

In all the above embodiments, the body 100 has a structure as shown in FIG. 7, wherein (a) is the top cover, (b) is the circuit board, (c) is the bottom cover, and (d) is the structure of the circuit board. Back, (e) is the back of the lower cover, (f) is a wing that is assembled to the body. The body is configured to include a case 110 constituting the outside of the terminal, a circuit board 120 embedded in the case, and a USB port 130 for inserting the body into a personal computer (hereinafter, referred to as a PC). It is configured to include. The case 110 is composed of an upper cover 111 constituting the upper surface and a lower cover 112 constituting the lower surface. The upper cover 111 is formed with a slot 113 into which a card is inserted. Inside the bottom cover is attached a PCD loop antenna along its perimeter. If the terminal is used only for contact smart cards, this loop antenna is omitted.

The circuit board 120 is mounted inside the case 110, and a contact terminal 124 is attached to the case 110, and the contact terminal is exposed to the inside of the slot of the top cover to contact the contact terminal of the smart card. It is supposed to be. The circuit board is provided with various circuit components including contact terminals, which will be described later.

In front of the circuit board, the USB port 130 is attached to protrude forward.

In all the above embodiments, in order to exactly match the terminal of the card to the terminal of the terminal, only one wing is attached, and the card may be inserted in close contact with the wing. In this case, the contact stability of the card is somewhat reduced, but the size of the terminal can be made smaller.

The circuit configuration of the circuit board 120 of the body is the same as the circuit diagram shown in FIG. The circuit board is provided with a USB / RS232 switching circuit 121, a microcontroller 122, a card detection switch 123, a contact terminal 124, a battery 125, and the front of the USB port 130. Is attached. The microcontroller 122 recognizes whether the card is in the use state through the signal received from the card detection switch 123, and starts or terminates the operation. The microcontroller 122 connects to the card through the contact antenna 124 or the loop antenna 114 installed on the body. It reads the input information and sends it to the PC through the USB port 130 and the USB / RS232 switching circuit 121, and receives information from the PC through the same path to perform the operation and control necessary for the use of the card. The battery 125 supplies power required for the operation of the microcontroller 122. In some cases, the power required to operate the microcontroller 122 may be supplied from the USB port, and the battery may be omitted.

Since most commercially available microcontrollers have a built-in USB communication module, it is a common technology to communicate directly with a USB host. The circuit of the present invention is configured to support multiple protocols to selectively use USB and RS-232, and converts to ISO7816-3 protocol to communicate with smart card based on ISO14443 Type A or Type B contactless smart card and ISO15693 VICC (Vicinity Integrated Circuit Card) and / or additional support for the ISO18000-3 RFID protocol.

The microcontroller 122 simply converts the contact smart card ISO7816-3 communication protocol and the USB and RS-232 serial communication protocols, and further converts the contactless smart card ISO14443 Type A and B, ISO15693, and RFID ISO18000-3 communication protocols. This allows information exchange between contact and contactless smart cards and PCs, computers, and network computers.

On the other hand, it finds contactless smart card and RFID that support specific frequency such as 13.56MHz determined by ISO14443, ISO18000-3, etc., as well as ISO15693 VICC (Vicinity Integrated Circuit Card) using the same frequency, selects communication protocol and performs wireless communication.

The smart card terminal can be used by plugging into a USB port of the PC by switching to the use mode such as spreading wings or assembling the wings on the body, but using an additional portable display input device 500 as shown in FIG. 9. You can check the balance of your electronic wallet, lock / unlock, and change your PIN. In FIG. 9, (a) shows a display input device, and (b) shows a terminal coupled to the display input device.

As shown in FIG. 9, the display input device 500 has a host USB port 520 attached to its body 510, and inserts the slave USB port 130 of the smart card terminal. On one side thereof, there is a display element 530 to view the information and operation status recorded on the smart card, and on the other side, operation buttons 540 are attached to check balance, lock / unlock, PIN change, etc. Can be operated. A circuit board is built into the display input device. The display input device is provided with an NFC antenna 560, a wireless USB antenna 561, and a direct / bluetooth antenna 562 to exchange information wirelessly with a data communication device such as a computer by a short range communication method. have.

As shown in FIG. 10, the circuit configuration of the circuit board of the display input device includes: an RF module 551 connected to the antennas, a CPU 552 for performing necessary operations and control, a memory 553 for storing information, It comprises a security module 554, a secondary battery 555, a secondary battery charging module 556 and the like. The CPU 552 receives the card terminal information received through the USB port 520, the information stored in the memory 553, the information received through the antennas 560, 561, and 562, and the operation buttons 540. By using the operation command or the like, a necessary operation is performed to be sent to and displayed on the display element 530, and information necessary for use of the card terminal is sent to the terminal through the USB port 520.

The security module 554 checks whether the card user is a legitimate user by comparing the previously inputted information with the information input by the operation button, inquires whether the electronic signature is a legitimate user, and checks the information by the CPU 552. To prevent unauthorized users from using the card. In more detail, the CPU of the display input device reads and corrects the card information inserted into the card terminal through the USB port, and the EF of the smart card by the encryption key of the secure module (SAM). You can have access to (Elementary File) and DF (Dedicated File). In other words, DG1 (Data Group1) of customer ePassport (ICAO9303, ISO7501) is not encrypted at the hotel counter, so anyone can read it if there is a terminal. When reading or writing, it has the authority to read or record the encryption block of the ePassport by inserting the security module issued in due course into the terminal. On the other hand, the police may also have authority to record penalties for electronic driver's licenses.

The power supply for operating the function related circuit of the display input device operates as a secondary battery and a charging circuit charged by the + 5V voltage included in the USB port of the PC. More specifically, the USB port of the display input device will be described. Is connected to the PC's USB host port, but the secondary battery is charged with the USB power of the PC, but USB Host-Host communication is not possible. Therefore, the USB cable connector with the magnetic switch turns the magnet switch of the display device ON and turns on the display input device. By changing the communication mode to slave mode, the CPU can perform various services such as downloading application software to memory through PC, extending the length of the encryption key value of the security module, or changing the encryption key value.

As shown in FIG. 11, the terminal of the present invention connects to the mobile communication terminal using an adapter 600 that can be connected to the mobile communication terminal, and then reads the information recorded on the card in the offline mode. In the online mode, users can access the Internet using the communication function of the mobile communication terminal, access the banks, police stations, embassies, immigration offices, Internet shopping malls, etc., and use the Internet banking, cyber shopping, and electronic visa downloads. Can be performed.

The shape of connecting the terminal and the mobile communication terminal using the adapter 600 is shown in Figure 11, it is composed of a mobile communication terminal connection terminal 610, a communication line 620, and a terminal connection terminal 630. The mobile communication terminal connection terminal 610 is a terminal that can be connected to a terminal of a standardized mobile communication terminal, and the terminal connection terminal 630 is a terminal having a host USB port that can accommodate the USB port 130 of the terminal.

Since most mobile communication terminals adopt the RS-232 communication method without adopting the USB port, the external and physical contact method uses the USB terminal when connecting with the terminal of the present invention, and the present invention card is used for the terminal connection terminal of the adapter. When the terminal is connected, the magnetic switch inside the terminal switches the USB communication mode to the RS-232 communication mode and communicates with the mobile communication terminal. In other words, D + terminal of USB is connected to Tx of RS-232, D- is connected to Rx, Vcc is a terminal for supplying the power of the mobile phone to the terminal, and Gnd is connected to Gnd.

If there is a mobile phone using a USB port instead of RS-232, the communication between the terminals and the mobile phone is possible because they cannot communicate with each other because the USB is in slave mode. The modules can be automatically recognized and configured to communicate with each other. That is, when the USB-ISO7816 smart card terminal of the present invention is connected to a USB host port (PC, notebook PC, etc.), the USB port of the PC has no influence of magnetic force, so that SW1 and SW2 are recognized as "00" and recognized as an existing USB terminal. If the communication port of mobile phone is RS-232 type, magnetic switch is attached only on the upper part of connector, SW1, SW2 is "10" to apply signal to microcontroller to support communication protocol of RS-232 mode. If SW1 and SW2 are "01", the communication between SLAVE and SLAVE is impossible because the slave is a USB slave of mobile phone. On the other hand, by installing two magnetic switches on the upper side and the lower side of the connector, when SW1 and SW2 are "11", they can be set as a spare for 1394 or a communication protocol to be developed in the future.

The present invention is used in the field of use of all smart cards, such as electronic banking, electronic visa, bank credit card, along with smart cards.

1 is a folding smart card terminal.

2 is another type of folding smart card terminal.

3 is another type of folding smart card terminal.

4 is a sliding smart card terminal.

5 is a hybrid smart card terminal.

6 is a prefabricated smart card terminal.

7 is a detailed configuration diagram of the body of the terminal.

8 is a terminal circuit diagram.

9 is a display input device.

10 is a circuit diagram of a display input device.

11 is an adapter connecting a terminal and a mobile communication terminal.

12 is a view showing the scope of use of the present invention.

※ Component Number

  100: terminal body, 200: terminal wing, 500: display input device, 600: adapter,

  110: case, 120: terminal circuit board, 130: USB port,

  210: arm, 220: guide,

  510: display input device body, 520: USB port,

  530: display element ray element ray element, 540: operation button,

  550: circuit board for display input device, 560: antenna

  610: mobile terminal connection terminal, 630: communication line 630: terminal connection terminal

Claims (4)

  1. In combination with a smart card terminal,
    One side is a USB port 520 is attached, the other side is a display element 530 to view the information and operation status entered into the smart card, the other side is the body attached to the operation buttons 540 ;
    And a circuit board installed inside the body and including a CPU for performing necessary operations and control, a memory for storing information, and a security module;
    It can be configured to include the information and operation status entered into the smart card, enabling the use of the smart card, including checking the balance balance, lock / unlock, or PIN changes, and host mode when connected to a PC USB And switch to slave mode, and have a function of exchanging information online, including downloading application software to a memory through an internet communication network or updating a password of a security module.
  2. The method of claim 1,
    The body is a body further comprising an NFC antenna, a wireless USB antenna, or a direct-by-Bluetooth antenna, the CPU of the circuit board is a CPU further having a function for exchanging information from the antenna, the peripheral data transmission and reception A display input device for a smart card terminal, further comprising a function for exchanging information wirelessly with the device.
  3. As applied to the display input device for a smart card terminal of claim 1,
    By using some or all of the information recorded on the smart card received through the USB port of the smart card terminal, the information stored in the following memory 553, and the operation commands received through the operation buttons 540 of the display input device. A CPU 552 which performs a necessary operation to transmit and display the information on the display element 530 of the display input device and to send information necessary for the use of the smart card to the smart card terminal through the USB port 520;
    A memory 553 connected to the CPU and storing information related to the use of the smart card;
    And, connected to the CPU, to prevent the illegal use of the smart card and confirm that the terminal and the card by the encryption key value that can mutually authenticate with the smart card, the specific DF (Dedicated File) and EF of the smart card A security module for granting access to the elementary file;
    Applied to the display input device for a smart card as configured to include, the electronic circuit.
  4. The method of claim 3,
    The CPU is a CPU having a function of receiving information recorded on a smart card through an antenna attached to a display input device, and further comprising an RF module 551 connected between the antenna and the CPU. An electronic circuit, further comprising a function of allowing data communication with a peripheral data communication device through a short-range communication method, applied to a display input device for a smart card.
KR1020070138208A 2007-12-27 2007-12-27 Display and control device for contact and contactless smart card terminal and circuit of the device KR20080039330A (en)

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Cited By (55)

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WO2009084881A2 (en) * 2007-12-28 2009-07-09 Slimdisc Corp. Card and input and output apparatus for the card
WO2011047028A2 (en) * 2009-10-13 2011-04-21 Square, Inc. Systems and methods for financial transaction through miniaturized card reader
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