KR101641953B1 - System and Method for Emtrence Management Using NFC and Bluetooth - Google Patents

System and Method for Emtrence Management Using NFC and Bluetooth Download PDF

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Publication number
KR101641953B1
KR101641953B1 KR1020150049213A KR20150049213A KR101641953B1 KR 101641953 B1 KR101641953 B1 KR 101641953B1 KR 1020150049213 A KR1020150049213 A KR 1020150049213A KR 20150049213 A KR20150049213 A KR 20150049213A KR 101641953 B1 KR101641953 B1 KR 101641953B1
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KR
South Korea
Prior art keywords
access
short
communication module
entrance
exit
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KR1020150049213A
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Korean (ko)
Inventor
백형언
최준휘
배종훈
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주식회사알에프윈도우
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Priority to KR1020150049213A priority Critical patent/KR101641953B1/en
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    • G07C9/00015—
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks

Abstract

The present invention relates to a system and a method for entrance management using different local area communication ways. The method includes the steps of: mounting different local area communication modules in entrance card tags: receiving an entrance approval of an entrance device through a super local area communication module such as near field communication (NFC): and tracking a location of a visitor through the local area communication modules such as Bluetooth, radio frequency (RF), and zigbee ways of which coverage is greater than or equal to 10m after entering and, in case of entering a region corresponding to a security level, alarming this.

Description

TECHNICAL FIELD [0001] The present invention relates to an access management system using different short-

The present invention relates to a passenger management system, and more particularly, to a passenger management system that uses a near field communication (NFC) and a Bluetooth communication to determine whether a passenger is a normal passenger, And to provide an alarm to an administrator, and an access management system using the same and a method thereof.

In general, the access control system is connected to a wired / wireless network at one side of the entrance door, so that the server of the access control system confirms and approves the access according to the access approval request of the accessing person.

For this purpose, the access control system mainly consists of a RF ID card possessed by a visitor, a door lock, an RF card reader and an access controller as an access control terminal, a server and a database for remotely monitoring and controlling the authentication, .

Due to the recent development of NFC technology, it has been applied to smartphone with NFC card or NFC technology, and it is applied to access control system.

1 is a block diagram of an access control system using NFC communication according to the related art, which is disclosed in Korean Patent Laid-Open Publication No. 10-2014-0082949 (dated Jul. 14, 2014).

As shown in FIG. 1, the access control system using NFC communication includes an entrance server 10 having access management software installed in a manager computer, an NFC reader 20 connected to the access server 10, A door lock unit 70 and a user card 80. The door lock unit 70 includes a door lock unit 70, The access terminal devices 40, 50 and 60 include a simple type entrance terminal device 40 without a display device, a smart type entrance terminal device 50 with a display device and a door integral type entrance terminal device 60 such as a digital door lock, .

The conventional technology thus configured is connected to a computer equipped with access management software, and reads and writes a user card while operating in a reader mode, a tag mode, and a peer-to-peer mode of an NF, An access management software installed in a manager computer that stores and manages registered user information and user card information and allows inquiry data such as access record data to be viewed, and an NFC communication function And supports the reader mode, the card mode, and the peer-to-peer mode of the NFC function, which are connected to the network, and transmit and receive data to / from the NFC reader 20 or transmit / receive data with the access terminals 40, 50, And the data is processed using the NEF mobile device 30 and NFC communication Using NFC functionality in the access control system comprising a terminal access unit (40,50,60) for receiving and providing the data transmission and reception method.

However, such a conventional technique has a problem in that, when an attempt is made to access an access terminal device using a card of another person authorized to access the entrance terminal device, the door is determined to be a normal access permitted to enter and leave the door, An unauthorized user can enter and exit at any time through an opened door due to a malfunction of the locking device, and the access terminal device alone can not prevent this.

Korean Patent Laid-Open Publication No. 10-2014-0082949 (published on July 20, 2014)

In order to solve the problems of the related art, the present invention has been made to solve the problems of the prior art, and it is an object of the present invention to provide a method and apparatus for identifying a normal accessing person through NFC, And an object of the present invention is to provide an access management system using the method and a method thereof.

According to another aspect of the present invention, there is provided an access management system using different short-distance communication methods, including: an entrance and exit access point having first and second short-range communication modules of different communication methods; The control unit controls the door according to whether the passenger is a normal passenger by acquiring the entrance / exit bus ID through communication with the first short distance communication module built in the entrance / exit bus and controls the entrance / exit pass ID of the normal passenger passing through the entrance / A short range wireless access device for transmitting the information to the authentication information and for tracking the position of the entrance / exit attendant through communication with a second short distance communication module built in the entrance / exit inserter; And information on the security level of the entrance and exit bids, and judges whether or not the access bidding ID transmitted from the short-range wireless access device is in or out, And a management server for managing the location of the handbag.

Here, the entrance / exit interface includes first and second short-range wireless antennas for wireless data communication with the first and second short-range communication modules; And transmits the access ID stored at the request of the short-range wireless access device through each first short-range communication module. After the access to the short-range wireless access device is approved, the second wireless module accesses the short- And transmits the entrance / exit ID signal to the near-field wireless access device in real time; A display unit for displaying approval or denial of access by control of the supervisory control unit, or for outputting an alarm message when an unauthorized access is made to an area outside the set security level; An acoustic output unit for generating an audible alarm when an unauthorized access is made to an area outside the security level set by the control of the facsimile control unit; And a power supply unit for driving the access device.

The short-range wireless access device may further include a third short-range communication antenna and a third short-range communication module for communicating with the first short-range communication module of the entrance / exit band; A fourth short-range communication antenna and a fourth short-range communication module for communication with the second short-range communication module of the entrance and exit; A fourth short-range communication antenna and a fourth short-range communication module for communication with the second short-range communication module of the entrance and exit; And transmits the entrance and exit IDs collected through the fourth short distance communication module to the management server and transmits the access ID information to the management server, And receives an entrance / exit tag ID of a second short distance communication module built in the entrance / exit tag from the fourth short distance communication module and transmits to the entrance / exit tag whether the location is in accordance with a security level set in the management server And an access control unit.

In order to accomplish the object of the present invention, an access management method using different local communication methods may include the steps of: accessing and tracking an indoor location through communication with an access door mounted with first and second short- An access control method using different short-range wireless communication methods for monitoring a passenger by a short-range wireless access device, the short-range wireless access device comprising: an access control unit A first step of opening a door if the ID is ID; A second step of transmitting an entrance / exit post ID after the first process to the second short distance communication module pairing information; A third step of tracking the location of the entrance / exit post in real time after pairing with the second short distance communication module built in the entrance / exit post; A fourth step of comparing the security level corresponding to the access point ID and the access security level of the current location after the third process; And a fourth step of transmitting an alarm message when the security level of the entry / exit ID is lower than the access security level of the current location.

Here, the first step may include a first step of requesting access to the management server when the access ID is received by the first short distance communication module of the short-range wireless access device, A second step of receiving the access ID from the management server and transmitting the access ID to the short term wireless access device; And a third step of controlling the door by driving the door control unit according to whether or not the door-and-land wireless access device is authorized to enter and exit the door.

The fourth step includes a first step of transmitting the access point ID and current location information from the short-range wireless access device to the management server; The management server compares the security level of the access bidding ID with the access security level of the current location of the access bidding; And if the security level of the access point ID is lower than the access security level of the current location in the management server, transmitting the access security ID to the near field wireless access device.

The access management system and the method using the different local communication methods according to the present invention are characterized in that different short-range communication modules are mounted on the entrance and exit accesses, access approval of the access devices is granted through the second near- After the entrance, the location of the passenger is tracked through a short distance communication module such as Bluetooth, RF, Zigbee type with a coverage of 10m or more, and it is alarmed when entering the area according to the security level. Therefore, There is no need to install a device or to install a manager separately, and it is easy to install and manage a security system.

FIG. 1 is a block diagram of an access control system using an NFC communication according to the prior art,
2 is an overall configuration diagram of an access management system for implementing the present invention,
3 is a detailed block diagram of a wireless access interface according to an embodiment of the present invention,
FIG. 4 is an overall configuration diagram of an access management system using different short-range wireless communication methods according to an embodiment of the present invention,
Fig. 5 is a screen display diagram for approval of entrance and exit of a wireless access entrance and unauthorized access in Fig. 3,
FIG. 6 is a screen display diagram of a wireless access entrance in normal and abnormal access according to position tracking in FIG. 3,
FIG. 7 is a control flow chart of the wireless access bidding in FIG. 3,
FIG. 8 is a flowchart of an operation of the short-range wireless access device in FIG. 4,
FIG. 9 is a flowchart of a pairing procedure of an NFC and a Bluetooth module according to an embodiment of the present invention.

The configuration and operation of the access management system and method using different local communication methods according to the present invention will be described in detail with reference to FIGS. 2 to 9 below.

FIG. 2 is a schematic block diagram of an access control system for implementing the present invention. The access control system 100 includes an entrance and exit accessory 100 according to the degree of security to restrict access to and control of the personnel and visitors residing in the office, And controls the position of the entrance / exit door according to whether the class of the entrance / exit is matched with the class of the entrance / exit, and keeps track of the position with the second short distance wireless communication signal after the entrance / (200) and information on security level of the entrance and exit (100), and judges whether or not the access bidding ID transmitted from the short-range wireless access device (200) is in or out, and according to the security level set in the entrance bidding ID And a management server (300) for managing the location of the entrance / exit postings transmitted from the short-range wireless access device.

FIG. 3 is a detailed block diagram of an access point according to an embodiment of the present invention. The access point 100 includes first and second short distance communication modules 112 and 122 And the corresponding first and second short distance wireless antennas 111 and 121 and the access point ID stored at the request of the short distance wireless access device 200 through each first short distance communication module 111 After the access to the short-range wireless access device 200 is approved, the short-range wireless access device 200 is paired with the short-range wireless access device 200 through the second short-range communication module 122, A liquid crystal display unit 131 for displaying an access approval or denial according to the control of the facsimile control unit 130 or for outputting an alarm message when an unauthorized access is made to an area outside the set security level, , The control unit (130) W is set and the sound output section 132 that generates an alarm when no access to the area out of the security level, consists of a power supply 133 for driving the out paechal 100.

Here, the first short range communication module 112 may be configured as an NFC module or an RFID module, and the NFC module according to the present invention will be described as a preferred embodiment.

The second short range communication module 122 may be a Bluetooth module, a ZigBee module, a wireless Internet module (WiFi), or a module of an RF communication method. In the present invention, the Bluetooth module is described as a preferred embodiment.

FIG. 4 is an overall configuration diagram of an access management system using different short-range wireless communication methods according to an embodiment of the present invention. The short-range wireless access device 200 includes a first short range communication module 112 And a fourth short distance communication antenna 241 for communication with the second short distance communication module 122 of the access point 100. The third short distance communication antenna 211 and the third short distance communication module 212 The fourth short distance communication module 242 and the fourth short distance communication module 242 to the management server 300 and the fourth short distance communication module 242, And receives the entrance / exit approval data from the management server 300 to generate a door control signal. The second near-field communication module 242 transmits the door / Receives an entrance / exit tag ID of the short distance communication module 122, And a door control unit 231 for opening the door according to the control of the entrance control unit 230. The door control unit 231 controls the opening /

The third short range communication module 212 is configured by the same communication module so as to be able to communicate with the first short range communication module 112 of the entrance and exit facsimile 100, and is preferably composed of an NFC module.

The fourth short-range communication module 242 may be configured as a short-range communication module of Bluetooth, Zigbee, wireless Internet (WiFi), or RF communication. The second short-range communication module 122, And a Bluetooth communication module. The Bluetooth communication module is preferably composed of the same communication module.

In addition, the fourth short-range communication antenna 241 may be installed at a position where the entire area can be monitored, but may be additionally installed to secure coverage.

The operation of the access management system and method using different short-range wireless communication methods according to the embodiment of the present invention will be described in detail with reference to FIGS. 2 to 9.

First, in order to enter a building or an office, an employee or a visitor is given an access tag. At this time, the entrance tag is provided for each security level, and the visitor is given a visit to the information desk.

In the case of the visitor, the information desk issues the entrance / exit tag 100 according to the security level to the visitor who desires to visit, and transmits the entrance / exit identification number (ID) of the entrance / exit tag 100 to the management server 300 .

The outside of the office is used for common use, and the security level is not established.

The short distance wireless access device 200 is mounted on one side of the doorway. The third short distance communication module 212, which is the same communication method as the first short distance communication module 112 of the entrance and exit 100, And communicates with the fourth short distance communication module 242, which is the same communication method as the second short distance communication module 122 of the entrance and exit facsimile 100, inside the office. All the data transmitted and received by the short-range wireless access device 200 are transmitted to the management server 300 and are controlled by the control server 300 according to a control command or an alarm message Output.

The management server 300 sets and sets the ID and the security level of each of the entrance and exit handouts 100 assigned to the employee and the visitor and determines whether or not the entrance and exit handout 100 is approved at the entrance and exit, 200).

Also, the location information of each access entrance 100 transmitted from the local area wireless access device 200 is compared with a predetermined security level, and if the current location is lower than the set security level, And displays the alarm message on the entrance / exit bus 100 and notifies the administrator of the alarm message.

FIG. 2 is a conceptual diagram for implementing the present invention. The first and second short distance communication modules of the first embodiment and the third embodiment are installed in the access door.

Visitors or employees are allowed to enter each of the reception rooms, offices, and laboratories according to the security level of their own access door.

When the access tag 100 is brought close to the near field wireless access device 200 attached to the door of each room, the third near field communication module built in the near field wireless access device 200 and the entrance / The management server 300 confirms whether or not the access is made through the communication of the built-in short-range communication module.

After the access is granted, the location is tracked through the fourth short distance communication module built in the short distance wireless access device 200 and the antenna and the second short distance communication module built in the access point 100 and the pay line.

If the user worn the access tag 100 not conforming to the security level is unauthorized access without the access of the near-by wireless access device 200, the close proximity wireless access device 200 transmits the fourth short- And the position of the entrance / exit post 100 through the antenna and transmits the same to the management server 300, and outputs an alarm message to the entrance / exit post 100 as a voice and a screen.

FIG. 3 and FIG. 7 are block diagrams and operation flowcharts of the entrance and exit inspections according to the embodiment of the present invention. The staff or visitors must always wear the entrance and exit inspections 100 on.

The first short distance communication antenna 111 and the first short distance communication module 112 are connected to the short distance wireless access device 200 attached to one side of the entrance door in a state where the access door 100 is normally driven, And the haptic control unit 130 converts the built in access ID into the P2P transmission mode through the first short distance communication antenna 111 and the first short distance communication module 112 To the short-range wireless access device 200, and waits in the P2P reception mode.

The short-distance communication data frame between the access point 100 and the short-range wireless access device 200 is shown in Table 1 below, and the protocol is shown in Table 2 below.

The 'Check Sum' of the data frame of Table 1 performs XOR operation from protocol to data n.

start protocol Length Entrance Fake ID Check Sum End AA XX XX 0123456 XX XX

protocol Contents direction 0X00 The first short distance communication module P2P reception mode Access door <- Short-range wireless access device 0X01 The first short distance communication module P2P transmission mode Access door -> Short-range wireless access device 0X00 The first short distance communication module P2P reception mode Short-range wireless access device <- Access door 0X01 The first short distance communication module P2P transmission mode Short-range wireless access device -> Access door

Meanwhile, when the access request data is received from the access point 100, the short-range wireless access device 200 transmits the access request to the management server 300 to confirm whether or not the access is approved, And transmits the result to the entrance and exit facsimile 100.

The haptic control unit 130 analyzes the approval / disapproval data from the short-range wireless access device 200, displays the approval result on the liquid crystal display unit 131, and displays the approval result through the sound output unit 132 .

Fig. 5 shows an example of displaying the approval / disapproval of access from / to the short-range wireless access device 200. When the access is approved, the approval is given to the liquid crystal display 131 of the access appa- ratus 100 . "APPROVED" is displayed, or "REJECTED" is displayed when the access is unapproved.

The access control unit 130 transmits / receives a pairing signal to / from the short-range wireless access device 200 through the second short-range communication module 122. (See Fig. 9)

When the pairing of the second short distance communication module 122 and the short distance wireless access device 200 of the access accessory 100 is completed, the access control unit 130 transmits the access access ID at a predetermined time interval.

If the access control unit 130 receives an alarm message from the near-by wireless access unit 200 when the access control unit 100 moves to a location out of the security level, the access control unit 130 controls the liquid crystal display unit 131 And the sound output unit 132. [0041] FIG.

6 is a screen display of the entrance / exit handout 100 at a position deviated from a normal position or a security level. At normal time, a photograph of the employee is displayed or a normal visitor is displayed.

However, at the time of abnormal access, the cop control unit 130 displays the security level of the current position on the liquid crystal display unit 131, and displays the message "Your current position is not the approved place " And alert the passengers to move from their current location.

3 and 8 are detailed block diagrams and operational flowcharts of the short-range wireless access device 200 according to an embodiment of the present invention. The short-range wireless access device 200 includes a first short- Module 211 and a second short-range communication module 212 for communicating with the second short-range communication module 122 of the access point 100. The third short- And a fourth short-range communication antenna and modules 241 and 242 of a communication method.

The third short range communication module 212 of the short range wireless access device 200 waits in the P2P transmission mode (see Table 2). When the third short range communication module 212 requests access through the short distance contact of the access band 100, Converts the third short range communication module 212 into the P2P receiving mode.

When the third short range communication module 212 receives the access ID from the access tag 100 in the P2P receiving mode, the access controller 230 transmits the access tag ID to the management server 300 .

When the approval result is received from the management server 300, the access controller 230 converts the third short range communication module 212 into the P2P transmission mode and transmits the approval result to the third short distance communication module 212 through the third short distance communication antenna 211 To the entrance / exit facsimile 100.

The entrance control unit 230 drives the door control unit 231 to open the door and the entrance and exit bus ID to the fourth short distance communication module 242. [ As shown in FIG. (See Fig. 9)

When the pairing of the fourth short distance communication module 242 and the second short distance communication module 122 of the access point 100 is completed, the access controller 230 receives the access point ID from the access point 100 do.

Meanwhile, the access control unit 230 measures the wireless communication reception sensitivity between the fourth short-range communication module 242 and the second short-range communication module 122 in real time, and when the reception sensitivity falls below the set value, 300, and returns to the first P2P transmission mode waiting state.

However, if a problem such as an error occurs in the power supply of the access control unit 100, the management server 300 immediately sends an alarm message to the administrator to take action.

The access control unit 230 transmits the entrance / exit tag ID to the management server 300 when the reception sensitivity from the entrance / exit tag 100 is normal, and the management server 300 transmits the entrance / Compares the security level with the access security level set at the current location, and transmits an alarm signal to the short-range wireless access device 200 when the security level is lower than the access security level of the current location.

Herein, the security level of the access ID is previously set in the management server 300, and the current position of the access point 100 is detected by a fourth short distance communication antenna (not shown) of the short distance wireless access device 200 241).

The short-range wireless access device 200 transmits an alarm message to the entrance and exit facsimile 100 when an alarm signal is received from the management server 300.

9 is a flowchart of a communication and pairing interlocking process between an entrance and exit wireless access device according to an embodiment of the present invention. When the first short distance communication module 112 of the access entrance 100 is in the P2P transmission mode, The third short range communication module 212 of the short range wireless access device 200 maintains the P2P reception mode and the first short distance communication module 212 of the access assistant 100 transmits / When the ID is transmitted, the access controller 230 of the short-range wireless access device 200 receives the access tag ID through the third short-range communication module 212.

While the first short range communication module 112 waits for the reception of the approval result, the access controller 230 of the short range wireless access device 200 stores the entrance and exit tag ID and outputs the approval result from the management server 300 After the transmission to the access point 100, the fourth short distance communication module 242 starts the device search (page procedure) for pairing.

On the other hand, when the access control unit 130 of the access control unit 100 receives the access approval result, the access control unit 130 starts the device search (page prcessure) for the pairing through the second short range communication module 122.

Each of the second and fourth short distance communication modules 122 and 242 operates the link manager and requests a link key PIN code and transmits the handover request to the handout controller 100, The access control unit 230 of the access device 200 registers the access IDs with the pairing PIN Code, respectively, and exchanges the pairing authentication signals with each other.

When the second and fourth short-range communication modules 122 and 242 have completed the pairing authentication, they start data transmission / reception.

While the present invention has been shown and described with reference to certain preferred embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but variations and modifications may be made without departing from the spirit of the invention, It will be understood by those skilled in the art that various changes and modifications may be made by those skilled in the art without departing from the scope of the invention.

100: Access door 111: First near-field communication antenna
112: first short distance communication module 121: second short distance communication antenna
122: second short distance communication module 130:
131: liquid crystal display part 132: sound output part
133: power supply unit 200: short-range wireless access device
211: third short-range communication antenna 212: third short-range communication module
230: access control unit 231: door control unit
241: fourth near field communication antenna 242: fourth near field communication module
300: management server

Claims (14)

delete delete delete delete delete delete delete delete delete And accesses using different short-range wireless communication methods for monitoring the passengers by means of a short-range wireless access device for accessing and monitoring the indoor position through communication with the access passages equipped with the first and second short- In a management method,
Wherein the short-range wireless access device includes: a first process of opening a door when the input / output bus ID is an entrance / exit bus ID registered in the management server through communication with a first short-range communication module built in the entrance / exit bus;
A second step of transmitting an entrance / exit tag ID after the first process to the second short distance communication module pairing key key (PIN Code) information;
A third step of tracking the location of the entrance / exit post in real time after pairing with the second short distance communication module built in the entrance / exit post;
A fourth step of comparing the security level corresponding to the access point ID and the access security level of the current location after the third process; And
And a fifth step of transmitting an alarm message when the security level of the access point ID is lower than the access security level of the current location,
In the first process, the first short distance communication module of the entrance and exit wireless access device and the third short distance communication module built in the short distance wireless access device are composed of the same communication method, protocol and data frame, and the pairing link key PIN Code) data to the entry / exit bus,
The second step is to transmit and receive the pairing link key (PIN Code) in the same communication method, protocol and data frame between the second short distance communication module of the entrance and exit and the fourth short distance communication module built in the short distance wireless access device However,
Initiating a device search (page procedure) for pairing the second local area communication module and the fourth local area communication module by the entrance and exit controller;
Each of the second and fourth short-range communication modules operating a link manager and requesting a link key (PIN Code);
The access control unit and the access control unit registering the entrance and exit access IDs as the pairing PIN Code and exchanging the pairing authentication signals with each other; And
And initiating data transmission / reception upon completion of pairing authentication of each of the second and fourth short distance communication modules. 11. The method of claim 10,
Wherein the first step comprises a first step of requesting access to the management server for permission to access the first local area communication module of the local area wireless access device upon receipt of the access interface ID;
A second step of receiving the access ID from the management server and transmitting the access ID to the short term wireless access device; And
Wherein the short-range wireless access device comprises a third step of controlling the door by driving the door control unit according to whether the access is permitted or denied. 11. The method of claim 10,
Wherein the short range wireless access device further comprises a step of measuring reception sensitivity from the second short range communication module of the entrance and exit and transmitting the measured sensitivity to the management server if the measured reception sensitivity is less than a set value, Access method using different local wireless communication methods. 11. The method of claim 10,
The fourth step includes a first step of transmitting the access point ID and current location information from the short-range wireless access device to the management server;
The management server compares the security level of the access bidding ID with the access security level of the current location of the access bidding;
And if the security level of the entrance / exit ID is lower than the access security level of the current location, the management server transmits the access security ID to the near field wireless access device. Way. 11. The method of claim 10,
Wherein the first short distance communication module of the access door is composed of an NFC or RFID type module and the second short distance communication module is composed of one of Bluetooth, Zigbee, WiFi, or RF communication module,
Wherein the first short distance communication module of the access entrance and the third short distance communication module built in the short distance wireless access device are composed of the same communication method, protocol and data frame, and transmit data in the P2P transmission / reception mode,
Wherein the second short-range communication module of the entrance / exit facade and the fourth short-range communication module built in the short-range wireless access device transmit / receive a pairing authentication signal using the same communication method, protocol and data frame. Access Control Method Using.
KR1020150049213A 2015-04-07 2015-04-07 System and Method for Emtrence Management Using NFC and Bluetooth KR101641953B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100733045B1 (en) * 2007-01-25 2007-06-28 (주) 이니투스 Visitor id card with rfid tag and display and visitor management system using the same
KR20140082949A (en) 2014-05-28 2014-07-03 (주) 듀얼아이 Access control system using NFC communication and data exchange methods

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100733045B1 (en) * 2007-01-25 2007-06-28 (주) 이니투스 Visitor id card with rfid tag and display and visitor management system using the same
KR20140082949A (en) 2014-05-28 2014-07-03 (주) 듀얼아이 Access control system using NFC communication and data exchange methods

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