KR101529710B1 - System and method for electronic article surveillance information - Google Patents

Abstract

The present invention relates to a system for an electronic article surveillance (EAS) information and a method thereof, which includes an EAS tag part, that stores an radio-Frequency Identification (RFID) data code regarding object information, an EAS security code data, providing an RFID reader with the stored an RFID data code, and EAS security code data; an EAS elimination part, which recognizes the RFID data from the EAS tag part through the RFID reader, when a selling procedure is performed, eliminates an existing security bit value, and performing a change to a security bit value corresponding to a state of selling being completed to encode the security code data; an EAS gate part, which decodes the EAS security code data from the EAS tag part through the RFID reader, extracts a security bit value from the recognized EAS security code to determine whether an object is sold, and when an illegal act is exposed, notifies the exposed illegal act to an outer source; a key code providing part, which provides the EAS elimination part and the EAS gate part with a key code, respectively, in order to allow the EAS elimination part to encode the security code data and allows the EAS gate part to decode the EAS security code data, thereby extracting the security bit value.

Description

 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anti-

The present invention relates to an anti-theft information system and method, and more particularly, to an EAS system in which anti-theft information is stored in an EPC code of an RFID tag memory and an EPC code storing anti- And storing the generated data.

Electronic Article Surveillance (EAS) technology, which is recently being serviced, is designed to attach a special tag (round, bar, etc.) using a frequency of 8.2MHz in a store to clothes or articles, It is a technology to prevent theft by generating a warning sound from the surveillance device when leaving the store without being removed. EAS systems using this technology have been proven to be decent to theft and so-called "shrinkage" reduction.

As such, technologies for integrating and using the advantages known to the EAS technology together with additional advantages and capabilities such as stock management of RFID technology, shelf reading, and invisible distance reading are continuously being developed.

However, there are some problems related to the integration of RFID technology and EAS technology being developed.

That is, the conventional integrated system has the following problems, as the RFID tag and the two EAS devices are attached to the same article at the same time to perform mutual action and non-action.

First, the combined EAS / RFID tag or label is usually expensive for retailers or manufacturers because usually two devices and two independent readers or deactivators are typically needed.

Second, the size of the integrated configuration is generally large and the amount of physically overlapping usually results in performance degradation.

Third, if a particular design feature is not provided to reduce the interference caused by overlap, interference can occur if the device is overlapped, which degrades performance for one or both of the EAS and RFID functions.

As described above, in the conventional technologies, the RFID tag is used for recognizing and processing an object, and the EAS device is configured to be used independently for theft prevention, which causes the above problems.

SUMMARY OF THE INVENTION The present invention has been made to solve the conventional problems as described above, and it is an object of the present invention to provide an EAS system in which the anti-theft information is stored in an EPC code of an RFID tag memory, And a key code is generated and stored in the key code.

An anti-theft information system according to the present invention includes: an EAS tag unit for storing RFID data codes and EAS security code data for object information and providing the stored RFID data codes and EAS security code data to an RFID reader; Rejecting EAS for recognizing RFID data from the EAS tag unit through an RFID reader, changing the security bit value to a security bit value corresponding to the sale completion state when the sales procedure is performed, and rejecting the existing security bit value; EAS security code data is decoded from the EAS tag unit through the RFID reader to extract a security bit value from the recognized EAS security code to judge whether the object is sold or not, and when the illegal act is detected, part; And a key code providing unit for providing the key code to the EAS deletion unit and the EAS gate unit, respectively, to encode the security code data in the EAS rejection and to decode the EAS security code data in the EAS gate unit, And the like.

In the anti-theft information system according to the present invention, the security code data encoded in the EAS rejection includes an EPC code corresponding to the object information, a key code, and a security bit for determining whether the security code is sold or not .

Also, in the anti-theft information system according to the present invention, the EAS cancellation includes an RFID reader and a security bit designation module for erasing an existing security bit and changing a security bit in a sales state according to an object sales state, A security bit introduction module for recognizing and fetching a security bit changed from the security bit designation module to a sale state; A key code acquisition module for acquiring a key code received from the key code providing unit; And a security code generation module that encodes the security code from the EPC code, the key code, and the security bit corresponding to the object information and stores the security code data in the EAS tag unit.

Further, in the antitheft information system according to the present invention, the EAS gate unit may include: a key code acquisition module for acquiring a key code received from the key code supplier; A secure bit decoding module for recognizing security code data from the EAS tag unit and introducing the obtained key code to decode security code data; And a security bit detection module for detecting a security bit from the process of decoding security code data using the key code, and a security bit detection module for detecting illegitimacy of the corresponding object based on the security bit value detected by the RFID reader, And a theft warning module for informing the detection of the outside when the act is detected.

According to another aspect of the present invention, there is provided an anti-theft information system comprising: a key code providing unit configured to receive a key code; a key code generation module for generating a key code; And a key code storage module for storing the generated or changed key code value.

According to another aspect of the present invention, there is provided an anti-theft information system, wherein the key code providing unit comprises a data encoder and includes an encoder module for encoding a key code from a series of data codes, And a key code changing module for changing the key code to another value.

According to another aspect of the present invention, there is provided an anti-theft information system, wherein the key code providing unit comprises a TID data encoder and includes a data parsing module for analyzing data of a tag ID (TID) area in the RFID tag memory, And a key code generation module for generating a code value.

In the meantime, in the anti-theft method according to the present invention, the EAS cancellation includes reading RFID data of an object; Wherein the EAS rejection comprises: obtaining EPC data from the read RFID data; The step of designating the security bit according to whether the object is sold or not, and receiving and receiving the key code; Wherein the EAS decryption includes encoding the security code from the EPC code, the key code, and the security bit to store the security code data in the EAS tag unit; The EAS gate unit recognizes the EAS tag unit, decodes the security code, and introduces a key code to detect a security bit. And the EAS gate unit determines whether the corresponding object is sold according to the detected security bit.

Also, in the anti-theft method according to the present invention, the EAS cancellation may include: designating EPC data, a key code, and a security bit; The EAS deletion includes generating a security code from the EPC data, the key code, and the security bit, and storing the generated security code in the EAS tag unit; The EAS rejection includes reading the RFID data of the object; The EAS cancellation includes changing a security bit according to whether an object is sold or not; Wherein the EAS decryption includes encoding the security code from the EPC code, the key code, and the security bit to store the security code data in the EAS tag unit; The EAS gate unit recognizes the EAS tag unit, decodes the security code, and introduces a key code to detect a security bit. And the EAS gate unit determines whether the corresponding object is sold according to the detected security bit.

The present invention realizes two functions of an RFID device and an EAS device as a single system to reduce cost and maintain high performance, and it is possible to enhance fast and reliable store management by enhancing security information of EAS.

In addition, a key code is introduced into an EPC code for storing the theft code prevention information, and the keycode is used for a variety of storage locations, and the RFID is used for supply chain management and store management. However, Can be used.

1 is a block diagram of an anti-theft information system according to the present invention.
2 is a block diagram illustrating a structure of an EAS tag memory in the theft prevention information system according to an embodiment of the present invention.
FIG. 3 is a block diagram of an EAS cancellation in the theft prevention information system according to the present invention.
4 is a block diagram of the EAS gate unit in the theft prevention information system according to the present invention.
5 is a detailed configuration diagram of a key code providing unit according to the first embodiment in the theft prevention information system according to the present invention.
6 is a detailed configuration diagram of a key code providing unit according to the second embodiment in the theft prevention information system according to the present invention.
7 is a detailed configuration diagram of a key code providing unit according to the third embodiment in the theft prevention information system according to the present invention.
8A and 8B illustrate examples of encoding and decoding security code data according to an embodiment of the present invention.
9a. FIG. 9B illustrates an example of encoding and decoding security code data according to an embodiment of the sales code in the present invention.
10 is a flowchart of an anti-theft method according to an embodiment of the present invention.
11 is a flowchart of an anti-theft method according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an anti-theft information system and method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an anti-theft information system according to the present invention.

Referring to FIG. 1, the antitheft information system according to the present invention includes an EAS tag unit 100, an EAS rejection unit 200, an EAS gate unit 300, and a key code providing unit 400.

The EAS tag unit 100 stores RFID data codes and EAS security code data for object information and provides them to an RFID reader.

At this time, the EAS tag unit 100 targets the ISO 18000-6C tag of the UHF band or the ISO 18000-3m3 tag of the 13.56MHz band. The memory structure of these tags is composed of standards of the same structure, and a UHF band tag or a 13.56 MHz band tag can be selected and used for each store. For reference, since the memory structures of these EAS tag units 100 are the same, the present invention does not limit the specific tags.

The EAS elimination unit 200 recognizes the RFID data from the EAS tag unit through the RFID reader. When the sales procedure is performed, the EAS deletion unit 200 erases the existing security bit value and changes the security bit value corresponding to the sales completion state, ≪ / RTI > The security code data is stored in the EAS tag unit 100 through an RFID reader.

Here, if the security bit value stored in the EAS tag unit 100 is set to "0 ", the corresponding object is defined as an unsale state, and if the stored security bit value is set to" 1 & An object is defined as a sales state. The security bit value to be set may be changed according to a store or a system.

The security code data coded in the EAS cancellation 200 includes an EPC code corresponding to the object information, a key code, and a security bit for determining whether to sell the content.

Also, the EAS gate unit 300 decodes the EAS security code data from the EAS tag unit through the RFID reader, extracts the security bit value from the recognized EAS security code, determines whether the object is sold or not, And notify the outside of the city.

That is, if the security bit value is set to "0 ", the EAS gate unit 300 causes the object to be defined as an unsold state, so that the anti-theft alarm sounds when the object is taken out of the store. If the EAS value is set to "1" in the EAS-rejection unit 200 through the sales procedure, the object is defined as a sale state, so that no warning sound is generated even if the object is taken out of the store .

The key code providing unit 400 encodes the security code data in the EAS rejection unit 200 and decodes the EAS security code data in the EAS gate unit 300 to extract a security bit value. To the EAS elimination unit 200 and the EAS gate unit 300, respectively.

2 is a block diagram illustrating a structure of an EAS tag memory in the theft prevention information system according to an embodiment of the present invention.

2, the EAS tag unit 100 includes a user memory area USER storing various data such as sensed measurement data and transmission data, a tag ID (TID) area for storing a unique identifier of the tag, An EPC area for storing a serial code of an object including an EAS related code, and a RESERVED memory area for storing an encryption value and matching an access password input from the RFID reader to control a code stored in the area to be provided do.

In FIG. 2, the EPC area storing the serial code of the object including the EAS-related code can be divided as follows.

EPC 20 ~
PC Security code 18 ~ 1F ISO / EPC select 15-17 PC + EPC Length 10-14 CRC16 00 ~ 0F

Here, the PC is generated with a security code including protocol control bits, an EPC code, a key code, and a security bit for determining whether to sell the program.

FIG. 3 is a block diagram of an EAS cancellation in the theft prevention information system according to the present invention.

3, the EAS cancellation 200 includes a security bit designating module 210 and an RFID reader 220 for erasing an existing security bit and changing a security bit in a sale state according to an object sales state do.

The RFID reader 220 is further provided with a security bit introduction module 221 for recognizing and fetching the security bit changed from the security bit designation module 210 to the sales state, A security code generation module 223 that encodes the security code from the EPC code corresponding to the object information, the key code, and the security bit and stores the security code data in the EAS tag unit 100 ).

4 is a block diagram of the EAS gate unit in the theft prevention information system according to the present invention.

4, the EAS gate unit 300 includes an RFID reader 310 for recognizing data of the EAS tag unit 100 and a corresponding object 310 based on the security bit value detected by the RFID reader 310. [ And notifies the user of the illegality when the illegal act is detected, such as by generating a warning sound or by operating a warning light.

The RFID reader 310 includes a key code acquiring module 311 for acquiring a key code received from the key code providing unit 400, a recognition unit 311 for recognizing security code data from the EAS tag unit 100, A secure bit decoding module 312 for decoding the secure code data by introducing a code, and a secure bit detection module 313 for detecting a secure bit from decoding the secure code data with the key code.

FIG. 5 is a detailed configuration diagram of a key code providing unit according to the first embodiment in the theft prevention information system according to the present invention, FIG. 6 is a detailed block diagram of a key code providing unit according to the second embodiment in the anti- And FIG. 7 is a detailed block diagram of a key code providing unit according to the third embodiment in the theft prevention information system according to the present invention.

In the antitheft information system according to the present invention shown in FIG. 1, the key code providing unit 400 encodes the security code data in the EAS rejection unit 200, and transmits the EAS security code data in the EAS gate unit 300 And provides the key code to the EAS rejection unit 200 and the EAS gate unit 300 so as to extract a security bit value.

Here, the key code providing unit 400 may include a computer terminal 410, a data encoder 420, and a TID data encoder 430, as shown in FIGS. 5, 6 and 7, respectively.

5, the computer terminal 410 includes a key code generation module 411 for generating a key code, a key code change module 412 for changing the key code to a different value, And a key code storage module 413 for storing the generated or changed key code value.

6, the data encoder 420 includes an encoder module 421 for encoding a key code from a series of data codes, a key code generation module 420 for generating an encoded key code 422), and a key code change module 423 for changing the key code to another value.

The following figure illustrates an embodiment of a user memory area (USER) storing data in the memory structure of the EAS tag unit 100. [

User # 4 ~ 30 ~ User # 3 (56 78) 20 ~ 2F User # 2 (12 34) 10 to 1F User # 1 (00 00) 00 ~ 0F

At this time, the key code is generated by designating the second data (12 34) of the user memory as a key code.

The method of receiving the code of the user area and generating the code with the key code is impossible because the RFID is the unique key code of the RFID tag by an illegal method.

 7, the key code providing unit includes a data parsing module 431 for analyzing data of a tag ID (TID) area in the RFID tag memory, a TID data encoder 430, And a key code generation module 432 for generating a code value.

The following figure illustrates an embodiment of a tag ID (TID) area for storing a unique identifier of a corresponding tag in the memory structure of the EAS tag unit 100.

TID # 4 ~ 30 ~ TID # 3 (56 78) 20 ~ 2F TID # 2 (12 34) 10 to 1F TID # 1 (E2 00) 00 ~ 0F

At this time, the keycode is generated by designating the second data (1234) of the TID data area as a key code.

The method of receiving the code of the TID data area and generating the code using the key code is a unique key code of the RFID tag, and it is impossible to duplicate the tag by an illegal method.

8a. FIG. 8B is a diagram illustrating an example of encoding and decoding security code data according to an embodiment of the present invention.

First, in FIG. 8A, the EPC memory data (4C 47 45 2D 4D 55 14 0D 00 00 01), the introduced key code data 12 34, and the security bit '0' And generates a security code.

When the security code is encoded by checking sum of the EPC memory data, the key code data, and the security bit, security code data 0F is obtained.

The generation of the security code is performed by the RFID reader 210 of the EAS cancellation 200.

In FIG. 8B, when the security code data 0F is decrypted and the EPC memory and introduced key code data are removed from the security code 0F, the security bit value '0' hidden in the security code data is detected.

The decoding of the security code for detecting the security bit is performed by the RFID reader 310 of the EAS gate unit 300 and the theft warning module 320 is operated by the security bit value.

9a. FIG. 9B illustrates an example of encoding and decoding security code data according to an embodiment of the present invention.

First, in FIG. 9A, the EPC memory data (4C 47 45 2D 4D 55 14 0D 00 00 01), the introduced key code data 12 34, and the security bit '1' Code.

When the security code is encoded by checking the EPC memory data, the key code data, and the security bit, security code data 10 is obtained.

The generation of the security code is performed by the RFID reader 210 of the EAS cancellation 200.

Referring to FIG. 9B, when the security code data 10 is decrypted and the EPC memory and introduced key code data are removed from the security code 10, the security bit value '1' hidden in the security code data is detected.

The decoding of the security code for detecting the security bit is performed by the RFID reader 310 of the EAS gate unit 300 and the theft alarm module 320 recognizes that the sale is completed by the security bit value, I will not.

10 is a flowchart of an anti-theft method according to an embodiment of the present invention.

Referring to FIG. 10, the EAS deletion unit 200 reads the RFID data of the object (S10).

Next, the EAS deletion unit 200 obtains EPC data from the read RFID data (S20).

The EAS cancellation unit 200 designates a security bit according to whether the object is sold or not, and receives a key code from the key code providing unit 400 (S30).

At this time, the EAS rejection unit 200 encodes the security code from the EPC code, the key code, and the security bit, and stores the security code data in the EAS tag unit 100 (S40).

The security code encoding is encoded as a stolen code as shown in FIG. 8 when no sale is made, and is encoded as a sale completion code as shown in FIG. 9 when the sale is completed.

The EAS gate unit recognizes the EAS tag unit, decodes the security code, and detects a security bit by introducing a key code (S50).

8, the security bit value ('0') hidden in the security code data is detected when the EPC memory and the introduced key code data are removed from the security code and the checksum is removed. As shown in FIG. 9, In the sales complete state, the security bit value ('1') is detected in the security code data.

The EAS gate determines whether the corresponding object is sold according to the detected security bit (S60).

11 is a flowchart of an anti-theft method according to another embodiment of the present invention.

First, the EAS deletion unit 200 specifies EPC data, a key code, and a security bit (S100).

Next, the EAS deletion unit 200 generates a security code from the EPC data, the key code, and the security bit, and stores the security code in the EAS tag unit 100 (S200).

The EAS deletion unit 200 reads the EAS data of the object (S300), and the EAS deletion unit 200 changes the security bit according to whether the object is sold or not (S400).

Next, the EAS rejection unit 200 encodes the security code from the EPC code, the key code, and the security bit, and stores the security code data in the EAS tag unit (S500).

Then, the EAS gate unit 200 recognizes the EAS tag unit 100, decodes the security code, and detects a security bit by introducing a key code (S600).

Finally, the EAS gate determines whether the corresponding object is sold according to the detected security bit, and notifies the theft prevention information (S700).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the invention as defined by the appended claims. .

100: EAS tag unit 200: EAS rejection
210: security bit designating module 220: RFID reader
300: EAS gate unit 310: RFID reader
320: Theft warning module 400:
410: computer terminal 420: data encoder
430: TID data encoder

Claims (9)

An EAS tag unit for storing RFID data codes and EAS security code data for object information and providing the RFID data codes and EAS security code data to RFID readers;
Rejecting EAS for recognizing RFID data from the EAS tag unit through an RFID reader, changing the security bit value to a security bit value corresponding to the sale completion state when the sales procedure is performed, and rejecting the existing security bit value;
EAS security code data is decoded from the EAS tag unit through the RFID reader to extract a security bit value from the recognized EAS security code to judge whether the object is sold or not, and when the illegal act is detected, part; And
And a key code providing unit for providing the key code to the EAS rejection unit and the EAS gate unit to encode the security code data in the EAS rejection and to decode the EAS security code data in the EAS gate unit, In addition,
The key code providing unit comprises a key code generating module for generating a key code, a key code changing module for changing the key code to a different value, a key code for storing the generated or changed key code value, And a storage module. The method according to claim 1,
Wherein the security code data encoded in the EAS decryption includes an EPC code corresponding to the object information, a key code, and a security bit for determining whether or not to sell the security code data. The method according to claim 1,
The EAS deletion rejection module includes a security bit designation module and an RFID reader for erasing an existing security bit and changing a security bit in a sale state according to the sales state of the object,
In the RFID reader,
A security bit introduction module for recognizing and fetching a security bit changed from the security bit designation module to a sale state;
A key code acquisition module for acquiring a key code received from the key code providing unit; And
An EPC code corresponding to the object information, a key code, and a security code generation module for encoding the security code from the security bit and storing the security code data in the EAS tag unit. The method according to claim 1,
The EAS gate unit includes:
A key code acquisition module for acquiring a key code received from the key code providing unit;
A secure bit decoding module for recognizing security code data from the EAS tag unit and introducing the obtained key code to decode security code data; And
An RFID reader including a security bit detection module for detecting a security bit from decoding the security code data with the key code;
And a security warning module for determining whether the corresponding object is sold based on the security bit value detected by the RFID reader and informing the detection of the illegal act to the outside when the illegal act is detected. delete An EAS tag unit for storing RFID data codes and EAS security code data for object information and providing the RFID data codes and EAS security code data to RFID readers;
Rejecting EAS for recognizing RFID data from the EAS tag unit through an RFID reader, changing the security bit value to a security bit value corresponding to the sale completion state when the sales procedure is performed, and rejecting the existing security bit value;
EAS security code data is decoded from the EAS tag unit through the RFID reader to extract a security bit value from the recognized EAS security code to judge whether the object is sold or not, and when the illegal act is detected, part; And
And a key code providing unit for providing the key code to the EAS rejection unit and the EAS gate unit to encode the security code data in the EAS rejection and to decode the EAS security code data in the EAS gate unit, In addition,
The key code providing unit comprises a data encoder and includes an encoder module for encoding a key code from a series of data codes, a key code generating module for generating an encoded key code, a key for changing the key code to another value And a code change module. An EAS tag unit for storing RFID data codes and EAS security code data for object information and providing the RFID data codes and EAS security code data to RFID readers;
Rejecting EAS for recognizing RFID data from the EAS tag unit through an RFID reader, changing the security bit value to a security bit value corresponding to the sale completion state when the sales procedure is performed, and rejecting the existing security bit value;
EAS security code data is decoded from the EAS tag unit through the RFID reader to extract a security bit value from the recognized EAS security code to judge whether the object is sold or not, and when the illegal act is detected, part; And
And a key code providing unit for providing the key code to the EAS rejection unit and the EAS gate unit to encode the security code data in the EAS rejection and to decode the EAS security code data in the EAS gate unit, In addition,
The key code providing unit includes a data parsing module for analyzing data in a tag ID (TID) area in the RFID tag memory, and a key code generating module for generating a key code value from the analyzed data, Features theft prevention information system. delete delete

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