TWM548300U - RFID radio frequency identification system with anti-copy function - Google Patents

Description

RFID radio frequency identification system with copy protection

The present invention relates to the field of radio frequency identification technology, and more particularly to an RFID radio frequency identification system with anti-copy function that can be applied to an access control system.

With the advancement of information technology, the technology of Radio Frequency Identification (RFID) has gradually replaced the traditional two-dimensional bar code because of its advantages of non-contact, low cost and easy mass production. At present, radio frequency identification (RFID) has been widely used in identity identification, access control, vehicle management, warehousing logistics, retail, industrial security management, and forest management. For example, a radio frequency identification system access control system developed using RFID technology must include an RFID reader and a computer or controller component; wherein the RFID reader can transmit an electronic code of a specific frequency to the RFID The access card of the electronic tag receives and receives the electronically encoded signal that the RFID tag responds to, and converts the electronic coded signal into a database server to receive the interpreted signal format, and confirms whether the electronic tag held by the user is Effective, thereby releasing or enabling access control.

However, the conventional RFID system stores the identification data unchanged, so the identification data is not only easy to copy, but can be stolen once copied, and has no anti-theft design. Therefore, in recent years, it has been reported that this technology has been cracked, which jeopardizes the safety and doubts of users, so there are still many problems in its anti-theft effect.

In view of this, the creators of this case tried their best to research and create, and finally developed an RFID radio frequency identification system with copy protection function.

Different from the conventional RFID system, the identification data is fixed, so it is easy to be copied and stolen. The RFID radio frequency identification system with copy protection function is mainly designed to prevent the special electronic label from being copied and copied. advantage. It is worth emphasizing that the RFID radio frequency identification system with copy protection function has a selection input setting, so that the technology of the creation can also be applied to multiple unsynchronized RFID readers.

In order to achieve the above-mentioned main purpose of the present invention, the creator of the present invention provides an embodiment of the RFID radio frequency identification system with copy protection function, which comprises at least: at least one RFID reading and writing device; and at least one RFID electronic tag. Wirelessly communicating with the RFID reading and writing device; wherein the RFID reading and writing device transmits an electronic wave signal having a specific frequency to the RFID electronic tag to receive an electronic coded signal that is responded to by the RFID electronic tag; And the RFID reading and writing device sends the re-encoded electronic coded signal to the RFID electronic tag after updating the electronic coded signal to update and store at least one of the identification data of the RFID electronic tag. .

In order to more clearly describe an RFID radio frequency identification system with copy protection function proposed by the present invention, a preferred embodiment of the present invention will be described in detail below with reference to the drawings.

Please refer to FIG. 1 , which is a structural diagram of an RFID radio frequency identification system with copy protection function according to the present invention. Also, please refer to Figure 2, which shows a perspective view of the RFID radio frequency identification system with copy protection. As shown in the figure, the RFID radio frequency identification system 1 with copy protection function of the present invention can be applied to access control management, and mainly includes: at least one RFID reader/writer 11 and at least one RFID electronic tag 12; wherein the RFID electronic tag The 12 series communicates wirelessly with the RFID reader/writer 11. Different from the conventional technology, the access card is connected to the access control device to open/close the door. The novel creation device not only causes the RFID read/write device 11 to transmit a radio wave signal having a specific frequency to the RFID electronic tag 12, but also receives the signal. The RFID electronic tag 12 responds to an electronically encoded signal; and the RFID reading and writing device 11 sends the re-encoded electronic code to the RFID electronic tag 12 after passing an authentication process of the electronically encoded signal. The at least one of the RFID electronic tags 12 is stored in an update. Briefly, the novel creation technique can improve the defect that the identification electronic tag of the conventional RFID access control system may be copied and copied.

Continuing to refer to FIG. 1 and FIG. 2, the anti-copy function RFID radio frequency identification system 1 further includes: a database server 13 that communicates with the RFID reading and writing device 11 in a wired or wireless manner, and Stores complex array login identification data. Here, the login identification data refers to the identification data generated by the database server 13 according to a specific algorithm after the user completes the personal data construction program by the database server 13. On the other hand, the RFID electronic tag 12 includes a body 120, an antenna 121, and a readable and writable memory chip 122. The antenna 121 is received in the body 120 for receiving the RFID read/write device 11 The illuminating signal is transmitted by the radio frequency, and the readable and writable memory chip 122 is disposed in the body 120 and electrically connected to the antenna 121 for storing the identification data. In more detail, the readable and writable memory chip 122 includes at least one processor unit and a memory unit, and the memory unit has a plurality of memory segments for storing different identification materials. Moreover, the RFID read/write device 11 can be integrated into an electronic device, and the electronic device can be any one of the following: a building access device or an electronic lock device. It should be noted that the identification data may be written into the readable and writable memory chip 122 inside the RFID electronic tag 12 by a programmer or the RFID reading and writing device 11, belonging to personal identification data or as the RFID. Identification data of the electronic tag 12.

In the above, the RFID read/write device 11 includes: a device housing 110, a transceiver 112, a communication interface 113, a microprocessor 114, a memory 115, and a power source 116; wherein the transceiver 112 The device is disposed in the device housing 110 and transmits and receives the electronic coded signal through a digital antenna 111. The communication interface 113 is received in the device housing 110 for use with the database server. And communicating with the transceiver 112 and the communication interface 113 for decoding the received electronic coded signal and The registration identification data stored in the database server 13 is compared, and the re-encoded electronic code is sent to the transceiver 112 and the database server 13. In addition, the memory 115 is disposed in the device housing 110 and electrically connected to the microprocessor 114 for storing configuration parameters and the received identification data. Moreover, the power source 116 is housed in the device housing 110 for providing power required by the RFID read/write device 11.

In the operation of the device, an operation controlling algorithm can be written in the RFID reading and writing device 11, and a method flow chart of the operation control method is shown in FIG. As shown in FIG. 3, the operation control method mainly includes four steps. In the step (S1) of the operation control method, the microprocessor 114 matches the electronically encoded signal of the RFID electronic tag 12 with any of the sets of the login identification data stored by the database server 13. If not, perform step (S2). Also, step (S2) will activate the access control system to keep it locked. Conversely, if the result of the determination in step (S1) is "YES", the method flow then proceeds to step (S3): the re-encoded electronically encoded signal is sent to the readable and writable memory chip 122 of the RFID electronic tag 12. And stored in the database server 13, and the step (S4) is performed. And, in step (S4), the access control system is released to release the locked state.

It should be added that, when the step (S3) is performed, the microprocessor 114 stores the re-encoded electronic coded signal on different memory segments of the readable and writable memory chip 122. It can be applied to a plurality of RFID read/write devices 11 that are not synchronized in real time.

In this way, the above-mentioned system has completely and clearly explained the architecture diagram, the perspective view and the flowchart of the operation control method of the RFID radio frequency identification system 1 with copy protection function of the present invention. advantage:

(1) Unlike the conventional RFID system, which has fixed identification data, it is easy to be copied and stolen. The novel creation system re-encodes an electronic coded signal by the microprocessor 114 for updating and storing to the The readable and writable memory chip 122 of the RFID electronic tag 12 and the database server 13 solve the problem that the RFID electronic tag 12 is easily copied and stolen.

(2) The microprocessor 114 of the RFID-protected RFID radio frequency identification system of the present invention stores the re-encoded electronic code on different memory segments of the readable and writable memory chip 122. The creation can also be applied to a plurality of RFID read/write devices 11 that are not instantaneously synchronized.

(3) Although the above embodiment indicates that the RFID radio frequency identification system 1 with copy protection function of the present invention is mainly used in the security industry, such as the security industry, must implement the access control, but should not limit the new type. The application of creation. In the possible practical application, the RFID radio frequency identification system 1 with copy protection function can also be applied to the door opening and closing system of the automobile to prevent the car from being stolen due to copying and copying of the user identification data in the car chip key.

It is to be understood that the foregoing detailed description of the preferred embodiments of the present invention is not intended to limit the scope of the invention, Both should be included in the scope of the patent in this case.

<this creation>
1‧‧‧Anti-copy function RFID radio frequency identification system
2‧‧‧Access Control System
11‧‧‧RFID read/write device
12‧‧‧RFID electronic tags
13‧‧‧Database Server
120‧‧‧ body
121‧‧‧Antenna
122‧‧‧Readable memory chip
110‧‧‧ device housing
111‧‧‧Digital antenna
112‧‧‧ transceiver
113‧‧‧Communication interface
114‧‧‧Microprocessor
115‧‧‧ memory
116‧‧‧Power supply
S1~S4‧‧‧ method steps

1 is a block diagram showing an RFID radio frequency identification system with copy protection function of the present invention; FIG. 2 is a perspective view showing the RFID radio frequency identification system with copy protection function of the present invention; and FIG. 3 is a copy prevention display. Flow chart of the operational control method of the functional RFID radio frequency identification system.

1‧‧‧Anti-copy function RFID radio frequency identification system

2‧‧‧Access Control System

11‧‧‧RFID read/write device

12‧‧‧RFID electronic tags

13‧‧‧Database Server

120‧‧‧ body

121‧‧‧Antenna

122‧‧‧Readable memory chip

110‧‧‧ device housing

111‧‧‧Digital antenna

112‧‧‧ transceiver

113‧‧‧Communication interface

114‧‧‧Microprocessor

115‧‧‧ memory

116‧‧‧Power supply

Claims (6)

An RFID radio frequency identification system with copy protection function includes: at least one RFID read/write device; and at least one RFID electronic tag wirelessly communicating with the RFID read/write device; wherein the RFID read/write device transmits through Receiving a radio frequency signal of a specific frequency to the RFID electronic tag to receive an electronic coded signal that is responsive to the RFID electronic tag; and the RFID read/write device sends the electronic coded signal after receiving an authentication process of the electronic coded signal Re-encoding the electronically encoded signal to the RFID electronic tag for updating at least one identification data stored in the RFID electronic tag. The RFID radio frequency identification system with anti-copy function as described in claim 1 of the patent application further includes: a database server that communicates with the RFID reading and writing device by wire or wirelessly, and stores a complex array login. Identify the data. The RFID radio frequency identification system with copy protection function according to claim 2, wherein the RFID electronic tag comprises: a body; an antenna disposed in the body for receiving the RFID read The radio wave signal emitted by the device is sent to the electronic coded signal by radio frequency; and a readable and writable memory chip is disposed in the body and electrically connected to the antenna for storing the identification data. The RFID radio frequency identification system with copy protection function according to claim 3, wherein the RFID read/write device comprises: a device housing; a transceiver is disposed in the device housing, and Transmitting and receiving the electronic coded signal through a digital antenna; a communication interface is disposed in the device housing for communicating with the database server; a microprocessor is disposed in the device housing and electrically The transceiver and the communication interface are configured to decode the received electronic coded signal and compare the stored identification data stored in the database server, and send the re-encoded electronic code To the transceiver and the database server; a memory body is disposed in the device housing and electrically connected to the microprocessor for storing configuration parameters and the received identification data; and a power source, The system is housed in the housing of the device for providing the power required by the RFID reader. The RFID radio frequency identification system with copy protection function according to claim 3, wherein the readable and writable memory chip comprises at least a processor unit and a memory unit, and the memory unit has a plurality of memory areas. Segment for storing different identification data. The RFID radio frequency identification system with copy protection function according to claim 1, wherein the RFID read/write device is integrated in an electronic device, and the electronic device can be any one of the following: a building Access control device or electronic lock device.