KR100649151B1 - Mobile communication terminal and method for connecting IC card through external slot - Google Patents

Abstract

The present invention relates to a mobile communication terminal and a method for connecting an IC card through an external slot, wherein the mobile communication terminal exchanges a predetermined signal with an external slot connected to a predetermined connection port, and whether there is an IC card inserted into the external slot. By recognizing this, it is possible to perform authentication, payment, etc. by processing the information according to the communication card and IC card, such as smart card, RFID chip inserted in the external slot.

Description

Mobile communication device and method for connecting integrated circuit card through external slot

1 is a view for explaining a conventional method for connecting a storage medium to a mobile communication terminal.

2 is a view for explaining an IC card connection system according to an embodiment of the present invention.

3 is a block diagram illustrating an internal structure of a mobile communication terminal of FIG. 2.

4 is an illustration for explaining the pin structure of the connection port according to an embodiment of the present invention.

5 is a flowchart illustrating a method of using an IC card of a mobile communication terminal according to an embodiment of the present invention.

<Explanation of symbols for main parts of the drawings>

200: IC card connection system

210: mobile communication terminal

220: connection port

230: external slot

240: IC card

The present invention relates to a method of connecting a storage medium to a mobile communication terminal, and more particularly, to a method of connecting and using an IC card to a mobile communication terminal through an external slot.

In modern society, communication terminals are used by many people as long-distance communication means. Especially, mobile terminals are widely used as necessities because they provide users with the ability to communicate conveniently on the go, regardless of place. It is becoming. Recently, as the performance of the processor is improved and the resources of the memory are increased, the mobile communication terminal provides various functions as well as the conventional mobile communication service.

Accordingly, it is becoming essential to use various services such as mobile banking, bank on, securities service, transportation fee payment using a mobile communication terminal, and various storage media are used in the mobile communication terminal. In addition, recently, users of mobile communication terminals use one or more mobile communication terminals for business and the like, and as a result, users frequently exchange storage media such as IC cards in which various information of the mobile communication terminals are stored. .

1 is a view for explaining a conventional method for connecting a storage medium to a mobile communication terminal.

As shown in (a) of FIG. 1, in a mobile communication terminal having a connection port for using an IC card, various financial services (for example, mobile banking, etc.) are combined by using an IC card and using the combined mobile communication terminal. It is possible to simply use (110), it is possible to conveniently finish the use of the service.

On the other hand, as shown in Fig. 2 (b), when using a mobile communication terminal with a built-in memory card is difficult to attach and remove, it is difficult to execute a schedule service that must undergo user authentication, such as financial services in another mobile communication terminal. That is, a mobile communication terminal that does not have a card for authentication or payment may attempt to access the wireless Internet (120), select a desired service, and use the service (130). Therefore, the existing terminal that can not connect the IC card is very inconvenient because there is a limit to the use of the service and can use a specific service through other methods such as wireless Internet.

In addition, since the cost of the terminal increases due to the installation of a separate connection module to enable the use of the IC card, it is not only difficult for the user to purchase, but also can be useless for users who use only other functions besides the IC card. have. As such, in order to use the IC card, an IC card slot connected to the main board of the mobile communication terminal is required. This also has the problem that the slot for connecting the IC card and the peripheral circuit must be designed at the time of designing the hardware of the mobile communication terminal. In addition, in recent years, as the form of the mobile communication terminal becomes slim, the IC card slot has been developed into a situation more difficult to attach to the main body of the mobile communication terminal. Therefore, it is urgent to develop a method for solving the problem.

The present invention has been made to solve the problems of the prior art as described above, an object of the present invention is to provide a mobile communication terminal capable of communicating with the IC card connected using an external slot.

Another object of the present invention is to provide a method of inserting an IC card into an external slot connected to a general connection port such as an ear jack of a mobile communication terminal.

Mobile communication terminal according to the present invention for achieving the object of the present invention as described above and to solve the problems of the prior art described above, IC card in an external slot connected to the connection port having a predetermined pin to exchange information with the IC card A card recognition unit for generating card recognition information indicating whether there is any; A communication processor for selectively processing information according to a corresponding communication protocol with an IC card inserted into the external slot through predetermined pins of the connection port according to the card recognition information; And a control unit which transmits a predetermined signal to the external slot through the communication processing unit and controls a response signal from the external slot to be transmitted to the card recognition unit according to the transmission. The card recognition information may be generated by analyzing a signal to determine whether a predetermined value is matched.

The method of using an IC card of a mobile communication terminal according to the present invention for achieving another object of the present invention as described above transmits a predetermined signal to an external slot connected to a connection port having predetermined pins to exchange information with the IC card. Receiving a response signal from the external slot in accordance with the transmission; Analyzing the response signal from the external slot to determine whether it matches a predetermined value to generate card recognition information indicating whether the IC card is present; And performing information processing according to a corresponding communication protocol and an IC card inserted into the external slot selectively through predetermined pins of the connection port according to the card recognition information.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings and the contents described in the accompanying drawings, but the present invention is not limited or limited to the embodiments. Like reference numerals in the drawings denote like elements.

In addition, for convenience of description, an IC card is described as a storage medium connected to a mobile communication terminal as an example, but the technical idea of the present invention can be applied to a mobile communication terminal connected to all storage media capable of storing information. It will be apparent to those skilled in the art.

2 is a view for explaining the IC card connection system 200 according to an embodiment of the present invention.

As shown in FIG. 2, the IC card connection system 200 includes a mobile communication terminal 210, a connection port 220, an external slot 230, and an IC card 240.

The IC card connection system 200 is an external slot 230 through a connection port 220 provided in all mobile communication terminals, such as an ear jack of a mobile communication terminal 210 such as a cellular phone, a PCS, a PDA, a DMB phone, and the like. ) And to connect the IC card 240 to the external slot so that the information of the IC card can be conveniently used in the mobile communication terminal.

To this end, according to an embodiment of the present invention, the mobile communication terminal 210 has an IC card (not shown) in an external slot 230 connected to a connection port 220 having predetermined pins to exchange information with the IC card 240. 240 generates card recognition information indicating whether there is. The IC card 240 inserted into the external slot 230 through the predetermined pins performs information processing according to a corresponding communication protocol. Here, it is possible to know whether the IC card is inserted through the card recognition information. For this purpose, a predetermined signal is transmitted to the external slot 230 and a response signal from the external slot 230 is received according to the transmission. The response signal may be analyzed to determine whether it matches a predetermined value, thereby generating the card recognition information and using the stored information of the IC card 240. Accordingly, the information of the IC card 240 allows a mobile communication terminal user to conveniently use a certain service only by purchasing an external slot 230, and the mobile communication service provider can use a service (for example, mobile) using the IC card 240. Banking, bank-on, securities services, etc.)

The mobile communication terminal 210 includes the connection port 220 that connects the IC card 240 in order to freely detach the external slot 230 whenever necessary. The connection port 220 has predetermined pins, and a predetermined number of pins for communicating with the IC card 240 among the pins may be selected, and an ear jack and a data communication port (eg For example, an external device input port provided in a general mobile communication terminal such as an In Car Connector (ICC) connector can be used. Hereinafter, a detailed operation of the mobile communication terminal 210 will be described below with reference to FIGS. 3 and 4.

In addition, the mobile communication terminal 210 is a PDC (Personal Digital Cellular) phone, PCS (Personal Communication Service) phone, PHS (Personal Handyphone System) phone, CDMA-2000 (1X, 3X) phone, WCDMA (Wideband CDMA) phone Communication such as Dual Band / Dual Mode phone, Global Standard for Mobile (GSM) phone, Mobile Broadband System (MBS) phone, Digital Multimedia Broadcasting (DMB) phone, Smart phone, mobile phone, etc. Features may include portable devices, public switched telephone network (PSTN) terminals, Voice over Internet Protocol (VoIP), Session Initiation Protocol (SIP), Media Gateway Control Protocol (MGCP), Media Gateway Control (MEGACO), and PDA (Personal) Digital Assistants, Hand-Held PCs, Notebook Computers, Laptop Computers, WiBro Terminals, MP3 Players, Mobile Devices such as MD Players, and International Roaming and Expanded Mobile Communication Services International Mobile Telecommunica provided by IMT-2000 tion-2000) A portable electric and electronic device, which means all kinds of handheld-based wireless communication devices, including a terminal, a Universal Mobile Telecommunication Service (UMTS) -based terminal, and the like, and includes a Code Division Multiplexing Access (CDMA) module and a Bluetooth ( It may be provided with a predetermined communication module, such as a wireless communication device equipped with a GPS chip to enable location tracking through a Bluetooth module, an Infrared Data Association, a wired / wireless LAN card, and a Global Positioning System (GPS). In addition, the microprocessor capable of performing a multimedia playback function is interpreted as a generic term for a terminal capable of performing a certain arithmetic operation.

The external slot 230 is a connection means for connecting the IC card 240 to the mobile communication terminal 210 to be used. If an ear jack or the like of the mobile communication terminal 210 is used as the connection port 220, the hardware is designed as an external slot 230 that can be connected to the ear jack. That is, it should be designed to fit the pin structure of the ear jack of the mobile communication terminal 210. In addition, the external slot 230 may be designed in a structure that allows the IC card 240 to be attached or detached. In this case, the IC card 240 may be fixed with a fixed device so that the IC card 240 is not easily separated even by a small vibration or shock.

As such, the external slot 230 to which the IC card 240 is attached may be connected through the connection port 220 of the mobile communication terminal 210. Accordingly, the mobile communication terminal 210 can check the stored card information by recognizing the IC card 240 through the external slot 230. The card information may be read or written using a specific pin area of the ear jack.

3 is a block diagram illustrating an internal structure of a mobile communication terminal of FIG. 2.

As shown in FIG. 3, the mobile communication terminal 210 includes a card recognition unit 310, a communication processing unit 320, a control unit 330, an input unit 340, an output unit 350, and a wireless transceiver 360. It includes.

The card recognition unit 310 generates card recognition information indicating whether the IC card 240 exists in the external slot 230 connected to the connection port 220 having predetermined pins to exchange information with the IC card. do. Therefore, the next operation is executed depending on whether the card recognition information is generated. Here, the IC card 240 may be a smart card, an RFID chip, and the like, and is not limited to a specific card. In addition, the connection port 220 may be used an ear jack for connecting a voice output device such as earphones, data communication port, etc. capable of charging the battery may be used. In addition, the pin arrangement structure of the connection port 220 may be in the form of a USB port or a UART port that provides a plug and play (P & P) function that automatically recognizes an external device.

4 is an illustration for explaining the pin structure of the connection port 220 according to an embodiment of the present invention.

As shown in FIG. 4, pins (eg, 12) for connecting to the mobile communication terminal 210 are provided on the left side of the connection port 220 of the mobile communication terminal 210. Transmits and receives signals of a certain function (for example, 13 to 16 pins are dummy pins). In addition, the right side of the connection port 220 is provided with pins (for example, 12) for connecting the external slot 230. Each pin of the connection port 220 performs a certain function (for example, pins 4 and 5 for the left and right speakers of the earphone, microphone 2 and the like) and the IC card 240. Pins 410, 9 and 10 may be used as pins for transmitting the information. Therefore, the mobile communication terminal 210 recognizes the external slot 230 through the pins 410, the dedicated for transmitting and receiving data such as reading, writing and modifying the information of the IC card 240 Can be used as pins

Since the arrangement of the twelve pins of FIG. 4 is an embodiment of implementing the present invention, the arrangement of the twelve pins is not limited to the arrangement of the pins.

The communication processing unit 320 performs information processing according to a corresponding communication protocol and the IC card 240 inserted into the external slot 230 selectively through predetermined pins of the connection port 220 according to the card recognition information. do. In this case, the communication processor 320 may exchange information with the IC card 240 using predetermined pins among the pins of the ear jack. The communication protocol is an operating norm that promises each other how, when and how to communicate between the entities with which it communicates. This defines the format, encoding, and signal size of the syntax (SYNTEX) data, and the character method (transmission by indicating the beginning and end of the information message using a certain transmission control character) and the byte method (message Special characters that indicate the beginning and the end, the number of characters, transmission including control information and block information), and bit (BIT) method (composing and transmitting a bit message by including specific flag bits at the beginning and the end). The rules to transmit may be specified.

In addition, the mobile communication terminal 210 may be configured to authenticate a user confirmation with an external predetermined system using the authentication information read from the IC card 240 through the communication processing unit 320. The authentication information may include a social security number, a pass code, and the like, thereby identifying the user of the IC card 240. The mobile communication terminal 210 may make payment to an external predetermined system using authentication information and charge amount information read from the IC card 240 through the communication processing unit 320. That is, for example, when using a mobile communication terminal 210 to which the IC card 240 is coupled, such as a transportation card, it may be used by touching when paying a subway fee to the corresponding system. In addition, the authentication information and the charge amount information may be changed only for the authorized person.

The control unit 330 is responsible for the overall control of the components of the mobile communication terminal 210, in the present invention in particular through the communication processor 320 transmits a predetermined signal to the external slot 230 and the transmission As a result, the response signal from the external slot 230 is controlled to be transmitted to the card recognition unit 310. Here, the predetermined signal may be a signal for reading authentication information, charge amount information, and the like. In addition, the controller 330 may control to read the information stored in the IC card 240 or change the information of the IC card 240 through the communication processor 320. In this case, the information of the IC card may be changed only to an authorized person (for example, to be accessible through a password) or through a certain authentication system through a mobile communication network. For example, in the case of using the IC card as a transportation card, if the user wants to add 30,000 won, the amount can be further increased (the existing amount + 30,000 won) by the specific operation of the authorized person.

Here, the card recognition unit 310 may generate the card recognition information by analyzing the response signal from the external slot 230 to determine whether it matches a predetermined value. That is, it is determined whether the IC cards connected to the external slot 230 have specific values (eg, serial numbers, barcodes, etc.) and these values can be identified through the response signal and coincide with the pre-stored values. The card recognition information is generated only when it is determined and matches. Through this, it is possible to use only the IC card of a specific company in the mobile communication terminal 210, or to not use an unidentified unclear card.

In addition, the controller 330 typically includes a processor function for processing all data on a communication terminal associated with a modem digital signal processor (DSP). As more DSPs are provided to process internal signals, such as baseband signals, the operation of each mode may be faster due to the higher processing speed. As the controller 330, a mobile station modem (MSM), a digital signal processor (DSP), an open multimedia application platform (OMAP), or the like may be used.

The input unit 340 is a device for giving or setting various commands to the mobile communication terminal 210. In addition, one or more keypads, touch screens, touch pads, and voice recognition modules may be used as the input unit 340.

The output unit 350 is a device used to check the setting or the constant information of the mobile communication terminal 210. In addition, the output unit 350, the audio output unit such as LCD, organic LED, PDP, LED, etc. provided in the mobile communication terminal 210, audible speakers, earphones, etc. that can output a variety of music, such as ringtone, coloring, MP3 At least one output unit and a tactile output unit using a vibration motor or the like may be used.

The wireless transceiver 360 is a wireless transceiver used to perform a mobile communication service while transmitting and receiving a radio wave with a base station or to transmit or receive schedule information according to the present invention, and the wireless transmitter and the wireless in a single package. Receivers may be combined and generally include an antenna. In addition, the wireless transceiver 360 may be used in all wireless transmission devices such as mobile phones, wireless telephones, and portable radios, and may transmit or receive analog signals or digital signals. The wireless transmitter transmits a signal for accessing the base station, and the wireless receiver receives a signal from the base station in response to the transmission signal from the wireless transmitter.

Hereinafter, the mobile communication terminal 210 according to the present invention described above with reference to FIGS. 2 and 3 will be described according to the steps of an operation process.

5 is a flowchart illustrating a method of using an IC card of a mobile communication terminal according to an embodiment of the present invention.

First, card recognition information indicating whether the IC card 240 exists in the external slot 230 connected to the connection port 220 having predetermined pins to exchange information with the IC card 240 is generated (S510). . The external slot 230 may be provided in various forms according to the characteristics of the mobile communication terminal 210, and may be formed in a structure that is coupled to various external device input ports such as ear jacks, data input and charging ports. . The IC card may use various cards such as a smart card and an RFID chip.

The IC card 240 is inserted into the external slot 230 selectively through predetermined pins of the connection port 220 according to the card recognition information and performs information processing according to a corresponding communication protocol (S520). In addition, the method of connecting the IC card 240 to an external slot can also be changed according to the manufacture of the device. The mobile communication terminal 210 may recognize the external slot 230 at the input port 220, and read and write the card information using a specific pin of the input port 220. . That is, the card information may be output through the output unit 350 and may perform various modification operations through the input unit 340.

In this case, in order to determine whether the IC card 240 exists in the external slot 230, a predetermined signal is transmitted to the external slot 230 and a response signal from the external slot 230 is received according to the transmission. (S530). The predetermined signal may be a signal for reading authentication information, charge amount information, and the like. When the response signal from the external slot 230 is received, the card recognition information may be generated by analyzing the response signal and determining whether it matches a predetermined value (S540). Therefore, the IC card 240 can be connected according to the generated card recognition information, and various data can be loaded, input or changed.

Accordingly, the IC card 240 may be connected to the mobile communication terminal 210 even when the mobile communication terminal does not have a connection module for coupling the separate IC card 240 in accordance with the trend of slimming down the shape of the mobile communication terminal. have. In addition, since the external slot 230 for connecting the IC card 240 to the mobile communication terminal 210 can be connected to the connection port 220 such as an ear jack, the connection module of the IC card 240 can be used. It is more economical because there is no need to spend a separate cost for installation and the external slot 230 can be purchased according to the needs of the user.

In the method of using an IC card of the mobile communication terminal according to the present invention as shown in FIG. 5, the details mentioned in the embodiments of FIGS. 2 to 4 may be applied as they are.

The method of using an IC card of a mobile communication terminal according to the present invention can be implemented in the form of program instructions that can be executed by various computer means and recorded on a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. The medium may be a transmission medium such as an optical or metal wire, a waveguide, or the like including a carrier wave for transmitting a signal specifying a program command, a data structure, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

As described above, the present invention has been described by specific embodiments such as specific components and the like, but the embodiments and the drawings are provided only to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from such description.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and all the things that are equivalent to or equivalent to the claims as well as the following claims will belong to the scope of the present invention. .

As described above, in the mobile communication terminal according to the present invention, since an external slot for connecting the IC card to the mobile communication terminal can be connected to a connection port such as an ear jack, the mobile communication service provider can use a service (mobile) using an IC card. Banking, bank on, securities services, etc.) can be activated and the user of the mobile communication terminal can conveniently use the corresponding service only by purchasing an external slot.

Claims (12)

A card recognition unit for generating card recognition information indicating whether an IC card exists in an external slot connected to a connection port having predetermined pins to exchange information with the IC card; A communication processor for selectively processing information according to a corresponding communication protocol with an IC card inserted into the external slot through predetermined pins of the connection port according to the card recognition information; And A control unit for transmitting a predetermined signal to the external slot through the communication processing unit and controlling a response signal from the external slot to be transmitted to the card recognition unit according to the transmission. Including, The card recognition unit analyzes the response signal from the external slot to determine whether the card is matched with a predetermined value to generate the card recognition information. Mobile communication terminal, characterized in that. The method of claim 1, And the connection port is an ear jack. The method of claim 2, The communication processing unit exchanges information with the IC card using predetermined pins among the pins of the ear jack. Mobile communication terminal, characterized in that. The method of claim 1, The connection port is a mobile communication terminal, characterized in that the battery communication port capable of charging. The method of claim 4, wherein The connection port is a mobile communication terminal, characterized in that the USB port or UART port. The method of claim 1, And the predetermined signal is a signal for reading at least one of authentication information and charge amount information. The method of claim 1, The control unit controls to read information stored in the IC card or change information of the IC card through the communication processing unit; Mobile communication terminal, characterized in that. The method of claim 1, And the mobile communication terminal authenticates an external predetermined system and a user confirmation by using authentication information read from the IC card through the communication processing unit. The method of claim 1, And the mobile communication terminal makes a payment to an external predetermined system using authentication information and charge amount information read from the IC card through the communication processing unit. The method of claim 1, The IC card is a mobile communication terminal, characterized in that any one of a smart card or RFID chip. Transmitting a predetermined signal to an external slot connected to a connection port having predetermined pins to exchange information with an IC card, and receiving a response signal from the external slot according to the transmission; Analyzing the response signal from the external slot to determine whether it matches a predetermined value to generate card recognition information indicating whether the IC card is present; And Performing information processing according to a corresponding communication protocol and an IC card inserted into the external slot selectively through predetermined pins of the connection port according to the card recognition information; Method of using an IC card of a mobile communication terminal comprising a. A computer-readable recording medium having recorded thereon a program for executing the method of claim 11.

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