KR20080099836A - RFID Detection Block - Google Patents

Abstract

An apparatus for blocking the detection of an RFID is provided to selectively prevent personal information from being exposed through an RFID tag and/or chip. An RFID(Radio Frequency Identification) detection-blocking device(200) comprises the followings: a detection blocking unit(220) which determines whether an RFID tag-attached product, which transmits RFID information in response to an RFID detection command transmitted from an RFID reader, is an object to be detection-blocked; and a detection-blocking processor(225) which in case the RFID tag-attached product is the object to be detection-blocked, transmits interfering radiowaves to prevent RFID information of the object from being read by the RFID reader. The RFID detection-blocking device is equipped in a wireless terminal or an IC chip.

Description

RFID detection device {Devices for Blocking Detection of RFID}

1 is a simple diagram of a conventional general RFID system.

2 is a simple diagram of an RFID detection blocking device according to a preferred embodiment of the present invention.

3 is a simplified diagram of a preferred wireless terminal used as an RFID detection blocking device in accordance with a preferred embodiment of the present invention.

4 is a simplified diagram of another wireless terminal used as an RFID detection blocking device according to a preferred embodiment of the present invention.

Fig. 5 is a simple diagram of an IC card used as an RFID detection blocking device according to a preferred embodiment of the present invention.

6 is a simple flowchart illustrating an RFID detection blocking process of the RFID detection blocking device according to the preferred embodiment of the present invention.

<Description of main parts of drawing>

200: RFID detection blocking device 205: detection blocking information register

210: storage medium 215: detection blocking information (database)

220: detection blocking determination unit 225: detection blocking processing unit

230: RFID wireless transceiver 235: detection blocking RFID

240: RFID system 245: RFID reading device

250: Information Processing System

According to the present invention, when the RFID detection command is sent from the RFID reader, a detection block determining unit for determining whether the RFID tagged product that sends RFID information in response to the RFID detection command is a detection blocking target product, and the determination result, the RFID tagged product In the case of this detection blocking target product, it is related with the RFID (Radio Frequency Identification) detection blocking apparatus provided with the detection blocking processing part which transmits a jammer and cuts out the RFID information of the said detection blocking product from being detected by the said RFID reader. .

RFID contains information on the entire process of production, distribution, storage, and consumption on tags and / or chips attached to the product, and enables RFID readers to read the information through antennas, However, it is a technology that can be used in combination with an information system in connection with a mobile communication network.

1 is a simple diagram of a conventional general RFID system.

Referring to FIG. 1, an RFID system communicates with an RFID tag corresponding to a transponder (general term for a wireless transceiver that automatically returns a specific signal in response to an external signal), and communicates with the RFID tag through a radio frequency signal. An antenna and an RFID reading device for reading RFID information received from the RFID tag, wherein the RFID reading device includes at least one information processing system (eg, a server provided with a database) according to an application method of an RFID system. It is possible to work with

The RFID tag of the RFID system is generally composed of a single chipset (for example, an integrated circuit). The frequency used by an active tag, a passive tag, and a wireless transceiver is determined by a power supply. According to the band, it is divided into low frequency tag and high frequency tag.

The general configuration of the RFID tag includes a control unit for providing arithmetic functions and data input / output functions, a memory unit for storing RFID information, a wireless transceiver for wirelessly communicating with an antenna, and a power supply unit for an active tag. It is provided.

The controller of the RFID tag inputs and outputs RFID information included in the memory unit in response to a radio frequency signal received from the wireless transceiver through an antenna of the RFID system, and externally (eg, an RFID system) the input / output RFID information through the wireless transceiver. It provides a control and management function to transmit to the antenna).

In particular, according to one feature of the RFID system, even if at least one RFID tag is detected in a radio frequency read field of an antenna provided on the RFID system, an error occurs or a collision affects data transmitted and received. An anti-collision protocol for preventing a phenomenon is provided, wherein the control unit of the RFID tag controls and controls the collision prevention protocol provided on the RFID system through the wireless transceiver on the RFID tag. Manage.

The memory unit of the RFID tag is a memory for storing RFID information to be provided to the RFID reader according to a radio frequency signal transmitted and received through the wireless transceiver, and stores letters, numbers, symbols, and / or binary data according to an application field of the RFID tag. It is possible to be. Currently, the capacity of the commercialized memory section varies from 25 Bit to 512 KBytes.

For example, in the memory unit having a storage capacity of 128 bits as shown in FIG. 24bits error detection code for detecting errors in data ID of 36bits, execution data area of 62 ~ 88bits where unique RFID information is stored, and data contained in radio frequency signal transmitted and received through the wireless transceiver Detection code (EDC), etc., wherein the RFID information extracted by the RFID reader of the RFID system from the RFID tag through the antenna is information included in the memory block of the execution data area on the memory unit.

The wireless transceiver of the RFID tag receives a radio frequency signal received from the RFID reader through an antenna of the RFID system and provides it to the controller, and the controller transmits the RFID information extracted from the memory unit to the RFID reader through the radio frequency signal. Provide the function. The frequency range used by the wireless transceiver of the commercially available RFID tag is variously varied to 135 KHz, 13.56 MHz, 433 MHz, 860-930 MHz, 2.45 GHz, and 5.8 GHz.

An antenna of an RFID system is a device that transmits and receives a radio frequency signal to and from a radio transceiver of the RFID tag. The antenna records data in an RFID tag or reads RFID information from the RFID tag through a radio frequency signal. In general, an antenna is provided separately from an RFID reader in an RFID system, but in some RFID systems, an antenna is embedded in the RFID reader.

In addition, the antenna can be made in various sizes and shapes, the inductance value is determined according to the thickness of the copper wire, the winding (winding), and / or the diameter of the antenna, and is optimized for purposes and conditions even in a very narrow space It can also be made.

In addition, the antenna depends on the characteristics of the frequency domain used by the wireless transceiver of the RFID tag. For example, if the radio transceiver of the RFID tag uses 135 KHz, the antenna must support the 135 KHz frequency range used by the radio transceiver.

An RFID reading apparatus of an RFID system includes an RF module for transmitting a radio frequency signal transmitted and received with an RFID tag through an antenna, and at least one reading program (eg, for reading RFID information received from the RFID tag). A device having a firmware program, a function of supplying and activating RF energy to an RFID tag (for example, a passive RFID tag), a function of receiving RFID information from the RFID tag through an antenna, and RFID Provides a function for reading RFID information received from a tag.

In addition, the RFID reading apparatus may provide a RFID module received from an RFID tag to an information processing system or a communication module (eg, RS-232C (Recommended Standard—) for receiving a series of commands and / or data from the information processing system. 232C) and USB (Universal Serial Bus).

In addition to the function of receiving RFID information from the RFID tag, the RFID reading device may record information and / or data specific to the RFID tag through a radio frequency signal, in which case the RFID reading device is recognized by a controller on the RFID tag. Send a pulse with a built-in command.

An information processing system of an RFID system is a system in which an RFID reading device receives a RFID information received from an RFID tag and provides a series of information processing functions. The information processing system is suitable for processing information of the RFID information received and read from the RFID tag. Process, and / or add, update, delete, and / or retrieve the above and RFID information to the D / B, interpret and / or analyze the RFID information, and at least one or more relationship information therefrom. Performs an information processing function of extracting and / or generating a.

On the other hand, in the conventional RFID system as shown in Figure 1, the RFID information provided in the RFID tag may be used to invade the privacy of the individual and cause shame, or to leak personal information.

For example, when an underwear is equipped with an RFID tag, a handheld based RFID reader may acquire information about an undergarment worn by a specific customer without permission. It means that it contains serious problems that can be exploited as a means of infringement.

In addition, for example, when an RFID tag is provided in a credit card or ID card, information about a credit card or ID card possessed by a specific customer may be obtained without permission by a handheld RFID reader. This means that RFID systems contain serious problems that can be exploited as a means of leaking personal information.

As a result, in order to solve problems such as privacy invasion and / or leakage of personal information existing in the conventional RFID system as described above, a selective detection blocking function for RFID tags and / or chips attached to a product is provided. Should be.

An object of the present invention for resolving the above problems is a detection block determination for determining whether a product with an RFID tag that transmits RFID information in response to the RFID detection command when the RFID detection command is sent from the RFID reading device. And the detection result, when the RFID tagged product is a detection blocking target product, RFID is provided with a detection blocking processing unit which transmits a jammer to block the RFID information of the detection blocking product from being detected by the RFID reading device. (Radio Frequency Identification) The present invention provides a detection blocking device.

The RFID (Radio Frequency Identification) detection blocking device according to the present invention detects whether or not a product with an RFID tag that sends RFID information in response to the RFID detection command when the RFID detection command is sent from the RFID reader. A blocking discrimination unit and a detection blocking unit for discriminating the RFID tag of the detection blocking product by transmitting the jammer when the RFID tagged product is a detection blocking target product; It is characterized by.

In addition, the RFID detection block device is characterized in that provided in the wireless terminal or the IC chip.

Hereinafter, with reference to the accompanying drawings and description will be described in detail the operating principle of the preferred embodiment of the present invention. However, the drawings and the following description shown below are for the preferred method among various methods for effectively explaining the features of the present invention, the present invention is not limited only to the drawings and description below. In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users or operators. Therefore, the definition should be based on the contents throughout the present title.

2 is a simplified diagram of an RFID detection blocking device 200 according to a preferred embodiment of the present invention.

According to the present invention, the RFID detection blocking device 200 includes a detection blocking information registration unit 205 for registering detection blocking information for blocking the detection blocking RFID from being detected by at least one RFID reading device in a storage medium, and the detection. Detection blocking RFID based on the storage medium 210 in which the blocking information is registered, the detection blocking information 215 registered in the storage medium 210, and an RFID detection command transmitted from at least one RFID reading device 245. A detection blocking determination unit 220 for determining whether 235 is detected by at least one RFID reading device 245, and the detection blocking RFID 235 is at least one RFID reading device using the detection blocking information. Detection to block detection of the detection blocking RFID 235 by the at least one RFID reading device 245 by generating an RFID detection error in the process of detecting by 245. However, the RFID processing unit 225 and the detection blocking determination unit 220 receive at least one or more RFID detection commands, or the detection blocking processing unit 225 provides radio frequency signal transmission and reception for generating an RFID detection error. The wireless transceiver 230 is configured.

The detection blocking information registration unit 205 included in the RFID detection blocking device 200 receives the detection blocking information on the detection blocking RFID 235 determined not to be detected by the at least one RFID reading device 240. As a means for registering to the storage medium 210 provided in the), various kinds of detection blocking information registration means may be implemented according to the features of the RFID detection blocking device 200, and the detection blocking information registration unit 205 It is possible to exist inside and / or outside of the RFID detection blocking device 200.

For example, if the RFID detection blocking device 200 is a handheld-based wireless terminal, and the detection blocking information uses information provided in the RFID tag and / or chip as it is, the detection blocking information registration unit 205 may determine that the wireless terminal is RFID. It includes all means which can extract or be provided with the information provided in the tag and / or chip. That is, if the wireless terminal is provided with an RFID reading device, the wireless terminal can extract detection blocking information directly from the RFID tag and / or chip through the corresponding RFID reading device, and the communication means (for example, provided with the wireless terminal). , Wireless data communication, short-range communication, etc.), or may be provided through a key input unit provided in the wireless terminal.

Further, for example, the RFID detection blocking device 200 is an IC card (eg, a combination card) provided with both a contact interface and a non-contact interface, and the detection blocking information is post-issued to a memory unit on the IC chip provided in the IC card. Or, if it is recordable ICC storage information, the detection block information registration unit 205 is a card terminal device that post-issues and / or records at least one or more IC chip storage information to a memory unit on the IC chip provided in the IC card. The blocking information is processed into IC chip storage information by an IC card standard such as ISO / IEC 7816 and / or ISO / IEC 1443. That is, the detection blocking information is extracted by an RFID reader provided in a point of sales terminal device and provided to a card terminal device corresponding to a payment terminal device, and the card terminal device transmits the detection blocking information to an IC chip. It is possible to process in the form of post-issuance and / or recordable IC chip storage information, and post-issuance and / or record the detected blocking information processed as described above on the IC chip.

The storage medium 210 provided in the RFID detection blocking device 200 includes a detection blocking RFID 235 corresponding to the detection blocking information registered by the detection blocking information registration unit 205 to at least one RFID reading device 245. As means for storing the detection blocking information required to block detection, various storage means may be implemented according to the characteristics of the RFID detection blocking device 200.

For example, if the RFID detection blocking device 200 is a handheld-based wireless terminal, the storage medium 210 storing the detection blocking information for the detection blocking RFID 200 may include a memory unit provided in the wireless terminal, A memory unit (e.g., a storage area in which IC chip storage information can be post-issued and / or recorded) mounted on and / or detached from a wireless terminal, or a bus on a printed circuit board (PCB) inside the wireless terminal At least one memory device connected to the memory device corresponds to a storage medium.

Also, for example, if the RFID detection blocking device 200 is an IC card (eg, a combination card) provided with a non-contact interface, a storage medium 210 for storing detection blocking information regarding the detection blocking RFID is provided on the IC chip. The storage area corresponds to a storage medium in which at least one IC chip storage information can be post-issued and / or recorded.

The detection blocking determination unit 220 included in the RFID detection blocking device 200 detects using the detection blocking information 215 registered in the storage medium 210 and the RFID detection command received from the RFID reading device 245. As a means for determining detection blocking for the blocking RFID 235, a radio frequency reception function of the transponder (e.g., transmitted by the RFID reading device) for an RFID detection command received from the RFID reading device on the RFID detection blocking device 200. And a function of receiving and interpreting a radio frequency signal, by analyzing an RFID detection command for at least one RFID tag and / or chip received from the RFID reader 245 through the RFID radio transceiver 230. And a characteristic function of comparing the detection blocking information registered in the storage medium 210 and determining the detection blocking for the detection blocking RFID 235 as a result of the comparison. The.

According to a preferred embodiment of the present invention, the detection blocking determination unit receives an RFID detection command from the RFID reading device 245 through the RFID wireless transceiver 230 provided in the RFID detection blocking device 200, and receives the received RFID detection. A detection block for the detection blocking RFID 235 through a function of interpreting the command and searching whether at least one or more detection blocking information registered in the storage medium corresponds to the RFID detection command based on the interpreted RFID detection command. Determine.

According to a preferred embodiment of the present invention, when the detection blocking determination unit 220 determines the detection blocking of the at least one detection blocking RFID 235 based on the detection blocking information registered in the storage medium 210, The detection blocking determination unit 220 provides the detection blocking processing unit 225 with the RFID detection information received and interpreted from the RFID reading device 245 and the detection blocking RFID information on the detection blocking RFID 235.

The detection blocking processing unit 225 included in the RFID detection blocking device 200 may perform the RFID detection on the basis of the detection blocking determination of the detection blocking determination unit 220. RFID detection received from the RFID reading device 245 on the RFID detection blocking device 200 as a means for blocking the detection blocking RFID 235 from being detected by the at least one RFID reading device 245 by generating a detection error. In addition to the radio frequency transmission function of the transponder (eg, the function of transmitting at least one radio frequency signal in response to a radio frequency signal received from the RFID reader) for the command, the RFID to detect the detection blocking RFID 235 The inspection using the RFID detection command received from the RFID reader 245 through the wireless transceiver 230 and the detection blocking information corresponding to the RFID detection command. The prediction blocking RFID 235 predicts and / or determines a process of transmitting at least one radio frequency signal to the RFID reading device 245, and based on the prediction and / or determination result, the at least one detection blocking RFID ( The detection blocking RFID 235 is blocked from being detected by the at least one RFID reading device 245 by generating an RFID detection error while the 235 transmits at least one radio frequency signal to the RFID reading device 245. It is characterized by providing a characteristic function.

According to a preferred embodiment of the present invention, when the detection blocking determination unit 220 determines the detection blocking of at least one detection blocking RFID 235 based on the detection blocking information registered in the storage medium 210. The detection blocking processing unit 225 receives the RFID detection command received from the RFID reading apparatus 245 and the detection blocking information corresponding thereto from the detection blocking determination unit 220.

According to another exemplary embodiment of the present invention, when the detection blocking determination unit 220 determines the detection blocking of at least one detection blocking RFID 235 based on the detection blocking information registered in the storage medium 210. The detection blocking processing unit 225 may receive an RFID detection command from the RFID wireless transmission / reception unit 230, and extract detection detection information corresponding to the RFID detection command from the storage medium 210.

The RFID wireless transceiver 230 provided in the RFID detection blocking device 200 receives a radio frequency signal including an RFID detection command transmitted from the RFID reading device 245 and provides it to the detection blocking determination unit 220. And transmitting a radio frequency signal transmitted by the detection blocking processing unit 225 to the RFID reading device 245 in order to generate an RFID detection error with respect to the detection blocking RFID 235.

According to a preferred embodiment of the present invention, the RFID wireless transceiver 230 provided in the RFID detection blocking device 200 preferably performs the same function as the wireless transceiver provided in the RFID tag and / or chip of FIG. Do.

Hereinafter, some RFID detection blocking apparatus 200 according to a preferred embodiment of the present invention will be described. However, the RFID detection blocking device 200 to be described later determines a specific RFID tag and / or chip as the detection blocking RFID 235, and the detection blocking RFID 235 is detected by at least one RFID reading device 245. The present invention relates to a case in which a customer and / or a user who wants to block the use of a wireless terminal and an IC card are used as the RFID detection blocking device 200 among portable devices.

However, the RFID detection blocking device 200 according to the present invention includes an input / output interface capable of performing the function of the detection blocking information registration unit 205, a memory unit capable of storing detection blocking information, a detection blocking determination unit, and a detection blocking processing unit. It is possible to apply to any device equipped with a calculation function to perform the function of, and a radio transceiver capable of transmitting and receiving radio frequency signals with at least one RFID reading device 245.

3 is a simplified diagram of a preferred wireless terminal 300 used as an RFID detection blocker 200 in accordance with a preferred embodiment of the present invention.

In particular, FIG. 3 is an embodiment of the RFID detection blocking device 200 using the memory unit of the wireless terminal as a storage medium in which detection blocking information is registered.

Referring to FIG. 3, the wireless terminal 300 basically includes a control unit 305, a screen output unit 310, a key input unit 315, a wireless processing unit 320, a voice processing unit 325, a memory unit 330, and the like. A battery for power supply, etc., according to a preferred embodiment of the present invention, the wireless processing unit 320 and the key input unit 315, the detection block information registration unit 205 is added, the memory unit 330 Is added to the function of the storage medium 210 in which the detection blocking information is registered, and the control unit 305 performs detection blocking for the detection blocking RFID 235 based on the detection blocking information registered in the storage medium 210. On the basis of the detection blocking determination result of the detection blocking determination unit 340 and the detection blocking determination unit 340 for determining, a detection blocking processing unit 345 for performing detection blocking on at least one or more detection blocking RFID 235 is added. In addition, the detection blocking determination unit (3) 40 and the RFID interception unit 335 for transmitting and receiving radio frequency signals to the at least one RFID reader 245 are added.

According to an exemplary embodiment of the present invention, the wireless terminal 300 is a means for extracting the detection blocking information directly from the detection blocking RFID 235 and registering the detection blocking information in the memory unit 330, and is mounted in the wireless terminal 300 and / or. Alternatively, the RFID reader 245 may be provided.

The controller 305 is a general term for an operating system, a terminal control management program, and a wireless terminal agent program that are booted and / or loaded after being booted and / or are loaded. It controls and manages the overall operation. That is, all functions and / or tasks performed through the wireless terminal 300 are performed through the controller 305, which is the at least one function performing unit (eg, provided in the wireless terminal 300). , At least one function and / or task in conjunction with a screen output unit, a key input unit, a wireless processing unit, and / or a voice processing unit).

Referring to FIG. 3 according to a preferred embodiment of the present invention, the control unit 305 interprets an RFID detection command received from at least one RFID reading device 245 through an RFID wireless transceiver 335 to perform a wireless terminal ( 300, a detection blocking determination unit for comparing the detection blocking information registered in the memory unit 330 (e.g., the storage medium of the RFID detection blocking device), and determining the detection blocking for the detection blocking RFID 235 as a result of the comparison; 340 and the detection blocking RFID 235 to the RFID reading device 245 using at least one radio frequency signal using the RFID detection command and the detection blocking information based on the detection blocking determination of the detection blocking determining unit 340. Predict and / or determine a process of transmitting a message, and based on the prediction and / or the determination result, the at least one or more detection blocking RFIDs 235 wirelessly communicate to the RFID reading device 245 at least once. By generating a RFID detection error in the process of transmitting a frequency signal, such as the detection processing block 345 to block the detection RFID block (235) is detected with at least one RFID reader (245) is provided additionally.

The screen output unit 310 receives at least one or more key data generated from the key input unit 315 and / or various information and signals generated and / or generated during a control process of the controller 305, and thus receives the wireless terminal 300. It is characterized in that it serves to output to the screen (for example, LCD (Liquid Crystal Display)) provided in.

The key input unit 315 includes a plurality of number keys, a character key for inputting a character, and at least one function key. When a key is pressed, corresponding key data are generated and provided to the controller 305.

Referring to FIG. 3 according to a preferred embodiment of the present invention, the key input unit 315 may provide detection blocking information on at least one detection blocking RFID 235 to the memory unit 330 provided in the wireless terminal 300. Provide a means to register.

The radio processor 320 may process a radio frequency signal transmitted and received in a radio communication section between the radio terminal 300 and a base station on a mobile communication network through a radio frequency (RF).

Referring to FIG. 3 according to a preferred embodiment of the present invention, the wireless processor 320 may communicate with at least one RFID reader 245 through wireless communication (eg, wireless data communication, short-range communication). It provides a means for registering the detection blocking information for the at least one detection blocking RFID 235 to the memory unit 330 provided in the.

The voice processor 325 encodes a voice signal input from the microphone and transmits the encoded audio signal to the wireless processor 320 through the controller 305, and decodes a signal received through the wireless processor 320. And a function of outputting as a voice signal to the speaker via 305. In particular, the voice signal input and output through the voice processor 325 connects voice calls to at least two voice call devices through the voice channel included in the wireless processor 320.

The memory unit 330 may include a predetermined program code for controlling the overall operation of the wireless terminal 300 and a space in which information and / or data input and / or outputted when an operation by the program code is performed and And / or a generic term for a storage area, typically wireless in the form of read-only memory such as read only memory (ROM) and read / write memory such as electrically erasable and programmable read only memory (EEPROM) or flash memory (FM). Characterized in that the terminal 300 is provided.

According to a preferred embodiment of the present invention, the memory unit 330 includes at least one or more detection blocking information registration unit 205 (eg, an RFID reading device mounted and / or detached from a wireless terminal for extracting detection blocking information, and detection blocking). Means for storing detection blocking information for the detection blocking RFID 235 registered through the wireless processing unit connected to the RFID reading device having the information extraction function through wireless communication and / or a key input unit for inputting detection blocking information). to provide.

Referring to FIG. 3 according to a preferred embodiment of the present invention, the detection blocking information may include information (eg, header, service ID, execution data, EDC, etc.) included in the memory unit 330 of the detection blocking RFID 235. As a result, the detection blocking determination unit 340 provided in the RFID detection blocking device 200 uses the RFID wireless transceiver 335 based on the same information as that provided in the detection blocking RFID 235. The detection detection processing unit 345 provided in the RFID detection blocking device 200 is used to determine detection blocking by spoofing the radio frequency signal received through the RFID detection command received through the detection blocking RFID 235. Detecting a radio frequency signal that generates an RFID detection error based on the same information as provided in the through the RFID radio transceiver 335 by sniffing the radio frequency signal of the RFID 235. It is used for God.

According to a preferred embodiment of the present invention, the RFID wireless transceiver 335 additionally provided in the wireless terminal 300 receives a radio frequency signal including an RFID detection command transmitted by the RFID reader 245 (for example, a radio frequency). And a radio frequency signal transmitted by the detection blocking processing unit 345 to generate an RFID detection error for the detection blocking RFID 235 by using a spoofing technique for the signal. It performs a function of transmitting to the RFID reader 245 (for example, using a sniffing technique for a radio frequency signal), and performs the same function as the wireless transceiver provided in the RFID tag and / or chip of FIG. 1.

4 is a simplified diagram of another wireless terminal 400 used as the RFID detection blocking device 200 in accordance with a preferred embodiment of the present invention.

In particular, FIG. 4 illustrates an RFID detection blocking device 200 using the memory unit on the IC chip 440 mounted and / or detached from the wireless terminal 400 as a storage medium 210 in which detection blocking information is registered. Example.

Referring to FIG. 4, the wireless terminal 400 basically includes a control unit 405, a screen output unit 410, a key input unit 415, a wireless processing unit 420, a voice processing unit 425, a memory unit 430, and the like. A battery for power supply, etc., according to a preferred embodiment of the present invention, the wireless processing unit 420 and the key input unit 415, the detection blocking information registration unit 205 is added, the RFID detection blocking device ( The IC chip 440 including the storage medium 210, the detection blocking determination unit 445, the detection blocking processing unit 450, and the like, in which the detection blocking information of the 200 is stored, and the detection provided in the IC chip 440. The RFID determining unit 445 and the RFID detecting unit 450 are added to the RFID radio transceiver 435 for transmitting and receiving radio frequency signals with at least one RFID reader 245.

According to an exemplary embodiment of the present invention, the wireless terminal 400 is a means for extracting detection blocking information directly from the detection blocking RFID 235 and registering the detection blocking information in the memory unit, and is mounted and / or detached from the wireless terminal 400. It is possible to be provided with an RFID reading device 245.

The controller 405 is a general term for an operating system, a terminal control management program, and a wireless terminal agent program that are booted and / or loaded after being booted and / or are loaded. It controls and manages the overall operation. That is, all functions and / or tasks performed through the wireless terminal 400 are performed through the controller 405, which is configured to perform at least one or more function performing units (eg, provided in the wireless terminal 400). , At least one function and / or task in conjunction with a screen output unit, a key input unit, a wireless processing unit, and / or a voice processing unit).

The screen output unit 410 receives at least one or more key data generated from the key input unit 415 and / or various information and signals generated and / or generated during a control process of the controller 405. It is characterized in that it serves to output to the screen (for example, LCD (Liquid Crystal Display)) provided in.

The key input unit 415 includes a plurality of number keys, a character key for inputting characters, and at least one function key. When the key is pressed, the corresponding key data is generated and provided to the controller 405.

Referring to FIG. 3 according to a preferred embodiment of the present invention, the key input unit 415 may provide detection blocking information on at least one detection blocking RFID 235 to the memory unit 430 provided in the wireless terminal 400. Provide a means to register.

The radio processor 420 may process radio frequency signals transmitted and received in a radio communication section between the radio terminal 400 and a base station on a mobile communication network through radio frequency (RF).

Referring to FIG. 3 according to a preferred embodiment of the present invention, the wireless processor 420 may communicate with at least one RFID reader 245 through wireless communication (eg, wireless data communication, short-range communication). It provides a means for registering the detection blocking information for at least one or more detection blocking RFID to the memory unit provided in the.

The voice processor 425 encodes a voice signal input from the microphone and transmits the encoded audio signal to the wireless processor 420 through the controller 405, and decodes a signal received through the wireless processor 420. And a function of outputting as a voice signal to the speaker via 405. In particular, the voice signal input and output through the voice processor 425 as described above connects voice calls to at least two voice call devices through the voice channel included in the wireless processor 420.

The memory unit 430 may include a predetermined program code for controlling the overall operation of the wireless terminal 400 and a space in which information and / or data input and / or output when an operation by the program code is performed and And / or a generic term for a storage area, typically wireless in the form of read-only memory such as read only memory (ROM) and read / write memory such as electrically erasable and programmable read only memory (EEPROM) or flash memory (FM). Characterized in that the terminal 400 is provided.

According to a preferred embodiment of the present invention, the IC chip 440 mounted and / or detached from the wireless terminal 400 has a function of the RFID detection blocking device 200 proposed by the present invention in conjunction with the wireless terminal 400. A detection block determining unit 445, a detection block processing unit 450, and a storage medium 455 storing the detection block information for performing the operation are provided.

Referring to FIG. 4 according to a preferred embodiment of the present invention, the IC chip 440 interprets an RFID detection command received from at least one RFID reader 245 through an RFID wireless transceiver 435, and then wireless terminal. Detection block discrimination unit for comparing the detection block information registered in the memory unit 430 (for example, the storage medium of the RFID detection block device 200), and determining the detection block for the detection block RFID 235 as a result of the comparison. 445 and the detection blocking RFID 235 to the RFID reading device 245 at least once by using the RFID detection command and the detection blocking information based on the detection blocking determination of the detection blocking determining unit 445. Predict and / or determine a process of transmitting a signal, and based on the prediction and / or determination result, the at least one detection blocking RFID 235 to the RFID reading device 245 at least once By the process of transmitting the number of the signal generating the RFID detection error, such as the detection processing block 450 to block the detection RFID block (235) is detected with at least one RFID reader (245) is provided additionally.

Referring to FIG. 4 according to a preferred embodiment of the present invention, the IC chip 440 may include at least one detection blocking information registration unit 205 (eg, mounted and / or detached from a wireless terminal for extracting detection blocking information). A detection blocking RFID registered through an RFID reading device, a wireless processing unit of a wireless terminal connected to the RFID reading apparatus with detection blocking information extraction function through wireless communication, and / or a key input unit of a wireless terminal for inputting detection blocking information) 235 provides means for storing detection blocking information.

As described above, the detection blocking information for the detection blocking RFID 235 registered through the at least one detection blocking information registration unit 205 is registered in the storage medium 455 on the IC chip 440 through the wireless terminal controller 405. do.

Referring to FIG. 4 in accordance with a preferred embodiment of the present invention, the detection blocking information uses information provided in the memory unit of the detection blocking RFID 235 (eg, header, service ID, execution data, and EDC) as it is. As a result, the detection blocking determination unit 445 provided in the RFID detection blocking device 200 is received through the RFID wireless transceiver 435 based on the same information as the information provided in the detection blocking RFID 235. An RFID detection command is used to determine detection blocking by spoofing a radio frequency signal, and a detection blocking processing unit 450 included in the RFID detection blocking device 200 is provided in the detection blocking RFID 235. Based on the same information as the information transmitted through the RFID radio transceiver 435 by using a sniffing on the radio frequency signal of the detection block RFID 235 that generates an RFID detection error It is used to

According to a preferred embodiment of the present invention, the RFID wireless transceiver 435 additionally provided in the wireless terminal 400 receives a radio frequency signal including an RFID detection command transmitted by the RFID reader 245 (for example, a radio frequency). Using the spoofing technique for the signal) to provide the detection blocking determination unit 445 provided on the IC chip 440, and the IC chip 440 to generate an RFID detection error for the detection blocking RFID 235. ) Transmits a radio frequency signal transmitted by the detection blocking processing unit 450 provided on the RFID reader to the RFID reader 245 (for example, using a sniffing technique for the radio frequency signal). It performs the same function as the wireless transceiver provided in the RFID tag and / or chip.

5 is a simplified diagram of an IC card 500 used as an RFID detection blocking device 200 in accordance with a preferred embodiment of the present invention.

Particularly, in FIG. 5, a combination card having both a contact interface and a non-contact interface according to an IC chip standard including ISO / IEC 7816 and / or ISO / IEC 14443 is used as an RFID detection blocking device 200. Yes.

Referring to IC chip specifications including ISO / IEC 7816 and / or ISO / IEC 14443, the IC chip of an IC card (e.g., a combination card) may be a power supply (VCC), a reset signal (RST), a clock signal (CLK). Contact interface 510, which communicates with card terminal 540 through contact points such as ground (GND), programming power supply (VPP), and / or input / output (I / O), and IC through electromagnetic induction. An input / output interface 505 including a contactless interface 515 for supplying power to the chip and communicating with the card terminal device 540, a central process unit (CPU), a micro process unit (MPU), and / or a coprocessor. A processor unit 520 including at least one computing element including a (coprocessor), a read only memory (ROM), a random access memory (RAM), an electrically erasable and programmable read only memory (EEPROM), and a flash memory (FM). Memory unit 525 comprising at least one memory element In particular, at least one of the memory elements is provided with a Chip Operating System (COS) for managing and operating internal resources of the IC card 500, and at least one of the remaining memory elements is provided with an IC card ( At least one IC chip storage information for providing a service using 500 is provided.

Referring to Figure 5 according to a preferred embodiment of the present invention, the contact interface 510 of the input and output interface 505 on the IC chip provided in the IC card 500 is at least one card terminal device for providing detection blocking information In operation 540, the detection block information registering unit 205 performs a function.

For example, the function of the RFID reading device 245 which extracts and / or processes the detection blocking information from the detection blocking RFID 235 attached to the product by the card terminal device 540 is added, or the RFID reading device as described above. The card terminal device 540 includes the detection blocking information on the IC card 500, when connected to a POS terminal equipped with 245 or a server on a network that manages detection blocking information. ICs stored in the IC unit 500 through the contact interface 510 of the IC card 500 and processed into IC chip storage information which can be post-issued and / or written into the memory unit 525 on the integrated IC chip. The detection blocking information is registered in the storage medium through post-issuance and / or writing to the memory unit 525 on the chip.

Referring to FIG. 5 in accordance with a preferred embodiment of the present invention, the contactless interface 515 of the input / output interface 505 on the IC chip provided in the IC card 500 may include at least one RFID reader device 245 and an IC chip. Wireless detection is performed between the detection block determining unit (e.g., the detection block determining module stored in the memory unit is executed by the processor unit) and / or the detection block processing unit (e.g., the detection block processing module stored in the memory unit is executed by the processor unit). Performs the function of transmitting and receiving frequency signals.

Referring to FIG. 5 according to a preferred embodiment of the present invention, the detection block determining module 530 and the detection block processing module 535 are stored in the memory unit 525 on the IC chip provided in the IC card 500. This is because, due to the characteristics of the IC card 500, the arithmetic function of the IC card 500 only when power is supplied from an external device (eg, a card terminal device) through the contact interface 510 and / or the contactless interface 515. Because it is driven.

For example, when the IC card 500 receives power from the outside through the contact interface 510 and / or the contactless interface 515, the detection cutoff determination module 530 stored in the memory unit 525 on the IC chip. And the detection blocking processing module 535 may be executed by the processor 520 to detect the detection blocking determination unit 220 and the detection blocking processing unit 225 provided in the RFID detection blocking device 200 according to the present invention. Perform the function.

Figure 6 is a simple flowchart of the RFID detection blocking process of the RFID detection blocking device 200 according to a preferred embodiment of the present invention.

In order to perform the detection blocking function for the detection blocking RFID determined so that the RFID detection blocking device 200 according to the preferred embodiment of the present invention is not detected by at least one or more RFID reading devices 245, the RFID detection blocking device 200 ) Should be provided with the detection blocking information for the detection blocking RFID 235.

Therefore, the customer and / or user who has determined the specific RFID tag and / or chip as the detection blocking RFID 235 can detect the detection blocking RFID 235 through the detection blocking information register 205 provided in the RFID detection blocking device 200. The detection blocking information (for example, the information provided in the memory unit of the detection blocking RFID) corresponding to) is registered in the storage medium 210 provided in the RFID detection blocking device 200 (600).

When the at least one detection blocking information is registered in the storage medium 210 provided in the RFID detection blocking device 200 through the at least one detection blocking information registration unit 205 as described above, the customer and / or the user may detect the RFID. The blocking device 200 activates the detection blocking function of the RFID detection blocking device 200 such that the detection blocking RFID 235 registered in the storage medium 210 is not detected by at least one RFID reading device 245. (605).

For example, if the RFID detection blocking device 200 is the wireless terminal 300, the customer and / or user registers to the storage medium 210 by selecting an RFID detection blocking menu through a key input unit provided in the wireless terminal. The detection blocking function of the RFID detection blocking device 200 is activated so that the detection blocking RFID 235 corresponding to the detected detection blocking information is not detected.

Further, for example, if the RFID detection blocking device 200 is the IC card 500, the customer and / or the user stores the IC chip which is post-issued and / or recorded on the IC card 500 through the card terminal device 540. Detection blocking of the RFID detection blocking device 200 by changing an attribute of the IC chip storage information so that the detection blocking RFID 235 corresponding to the detection blocking information registered in the memory unit on the IC chip is not detected among the information. Activate the function.

As described above, at least one or more detection blocking information is registered in the storage medium 210 provided in the RFID detection blocking device 200, and the detection blocking in which the RFID detection blocking device 200 is registered in the storage medium 210 is performed. When the detection blocking function for the detection blocking RFID 235 corresponding to the information is activated, the detection blocking determination unit 220 provided in the RFID detection blocking device 200 may perform at least one or more through the RFID wireless transceiver 230. Wait until the RFID detection command for at least one RFID tag and / or chip is received from the RFID reader 245 (610).

If an RFID detection command for at least one or more RFID tags and / or chips is received from the at least one RFID reader 245 through the RFID wireless transceiver 230 (615), the detection blocking determination unit 220 may In order to interpret the RFID detection command and confirm whether at least one or more detection blocking information corresponding to the RFID detection command is registered in the storage medium 210, the at least one detection blocking information registered in the storage medium 210 may be used. In operation 620, the detection blocking information is compared with the RFID detection command received through the RFID wireless transceiver 230.

If at least one or more detection blocking information corresponding to the RFID detection command does not exist from the storage medium 210 provided in the RFID detection blocking device 200 (625), the detection blocking determination unit 220 detects the detection blocking. As described above, the processor 225 does not perform a detection blocking function for the detection blocking RFID 235 corresponding to the RFID detection command received through the RFID wireless transmitting / receiving unit 230. Check whether the detection blocking function activated in the above is deactivated, and if the detection blocking function for the detection blocking RFID is not deactivated, the detection blocking for the detection blocking RFID 235 as described above. Repeatedly performing the function of determining whether or not, and if the detection blocking function for the RFID blocking device 200 is deactivated, at least It disables the detection function block of the RFID device detection block 200 to allow more RFID reading device 245, the detected RFID block (235) registered in the storage medium 210 is detected by.

On the other hand, if there is at least one or more detection blocking information corresponding to the RFID detection command from the storage medium included in the RFID detection blocking device 200 (630), the detection blocking determination unit 220 is the detection blocking RFID (235) The detection blocking processing unit 225 provides the RFID blocking instruction used in the detection blocking determination process and detection blocking information of the detection blocking RFID 235 corresponding thereto to the detection blocking processing unit 225, and the detection blocking processing unit 225 provides the detection blocking RFID ( 235 requests to block detection by the at least one RFID reader 245 (635).

As described above, the detection blocking processing unit 225 which has received at least one or more RFID detection commands from the detection blocking determining unit 220 and the detection blocking information of the detection blocking RFID 235 corresponding thereto is provided. The detection blocking RFID 235 predicts and / or determines a process of transmitting the radio frequency signal to the RFID reading device 245 using the detection blocking information, and based on the prediction and / or determination result, 235 waits until the 235 transmits the radio frequency signal to the RFID reader 245.

According to a preferred embodiment of the present invention, the RFID reading device 245 uses an RFID detecting command to detect at least two or more RFID tags and / or chips at high speed without collision. Sets a time for transmitting a radio frequency signal to at least two or more RFID tags and / or chips existing within the radio frequency coverage of the antenna provided in the antenna, and each RFID tag and / or chip has a corresponding radio frequency signal at a given time. The detection blocking determination unit 220 provided in the RFID detection blocking device 200 according to the present invention transmits the detected data through the same processing process as that of the detection blocking RFID 235. Predict and / or determine the transmission time set in the block, and block detection among at least two RFID tags and / or chips based on the prediction and / or determination result. Wait until the moment when the RFID transmits a radio frequency signal to the RFID reader 245.

If a radio frequency signal is transmitted from the detection blocking RFID 235 to the RFID reading device 245 (645), the detection blocking processing unit 225 registers with the storage medium 210 and / or from the detection blocking determination unit 220. The detection blocking RFID 235 forcibly generates a detection error in the radio frequency signal transmitted by the detection blocking RFID 235 to the RFID reading device 245 by using the provided detection blocking information.

For example, the detection blocking processing unit 225 transmits a radio frequency signal to the RFID reading device 245 at the same time as the detection blocking RFID 235 transmits a radio signal transmitted by the detection blocking RFID 235 to the RFID reading device 245. By generating a radio frequency signal that collides with the frequency signal, it is possible to block the detection blocking RFID 235 from being detected by at least one or more RFID reading devices.

Also, for example, the detection blocking processing unit 225 transmits a radio frequency signal to the RFID reading device 245 at the same time as the detection blocking RFID 235 can not read any RFID reading device 245 to the radio frequency signal. It is possible to block the detection blocking RFID 235 from being detected by the at least one RFID reading device 245 through a method of embedding a radio frequency signal.

When the detection blocking processing unit 225 blocks the detection blocking RFID 235 from being detected by the at least one RFID reading device 245 through the above process, the detection blocking processing unit 225 currently It is checked whether the detection blocking function activated in the RFID detection blocking device 200 is deactivated.

If the RFID blocking device 200 does not deactivate the detection blocking function for the detection blocking RFID 235 (655), the detection blocking detection unit 220 detects the detection blocking RFID 235 through the detection blocking unit 220 as described above. The function of determining whether or not to block and the detection blocking processing unit 225 blocks the detection of the detection blocking RFID 235 repeatedly.

On the contrary, if the detection blocking function of the RFID detection blocking device 200 is deactivated for the detection blocking RFID 235 (660), the detection blocking RFID (registered with the at least one RFID reading device 245) registered in the storage medium 210 ( By deactivating the detection blocking function of the RFID detection blocking device 200 to allow 235 to be detected (665), the RFID detection blocking device 200 is applied to at least one or more detection blocking information registered in the storage medium 210. Block the corresponding detection blocking RFID 235 from being detected by the at least one RFID reading device 245.

According to the present invention, an RFID detection blocking device may selectively infringe an individual's privacy and cause shame, or leak personal information through an RFID tag and / or chip corresponding to a serious problem of a conventional RFID system. To prevent it. Yet, when the RFID tag and / or chip invade privacy and cause shame, or when personal information does not leak, there is an advantage in that an intelligent RFID service can be selectively provided through a conventional RFID system.

Claims (2)

A detection block determining unit for determining whether a product with an RFID tag that transmits RFID information in response to the RFID detection command when the RFID detection command is sent from the RFID reading device; And As a result of the determination, when the product with the RFID tag is a detection blocking target product, a detection blocking processing unit which transmits a jammer to block detection of RFID information of the detection blocking product by the RFID reading device; RFID (Radio) Frequency Identification Detection Blocking Device. The apparatus of claim 1, wherein the RFID detection block device is RFID (Radio Frequency Identification) detection blocking device, characterized in that provided in a wireless terminal or an IC chip.

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