KR101634734B1 - Smart door lock system - Google Patents

Smart door lock system Download PDF

Info

Publication number
KR101634734B1
KR101634734B1 KR1020150103156A KR20150103156A KR101634734B1 KR 101634734 B1 KR101634734 B1 KR 101634734B1 KR 1020150103156 A KR1020150103156 A KR 1020150103156A KR 20150103156 A KR20150103156 A KR 20150103156A KR 101634734 B1 KR101634734 B1 KR 101634734B1
Authority
KR
South Korea
Prior art keywords
door
portable terminal
entrance
door lock
pass
Prior art date
Application number
KR1020150103156A
Other languages
Korean (ko)
Inventor
박주연
Original Assignee
이디스 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이디스 주식회사 filed Critical 이디스 주식회사
Priority to KR1020150103156A priority Critical patent/KR101634734B1/en
Application granted granted Critical
Publication of KR101634734B1 publication Critical patent/KR101634734B1/en

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/58Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith operated or controlled from a distance, e.g. pneumatically
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048Circuits, feeding, monitoring
    • E05B2047/0071Connecting lockparts by electronic communication means only, e.g. bus systems, time multiplexing
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0094Mechanical aspects of remotely controlled locks
    • E05B2047/0095Mechanical aspects of locks controlled by telephone signals, e.g. by mobile phones

Abstract

Disclosed is a smart digital door lock system. The smart digital door lock system comprises: an entrance door comprising a door frame, a servo motor mounted on an inner surface of an upper end of the door frame and installed to allow a rotary shaft to be directed downwards, a door whose one end is rotatably mounted on the door frame, a fixing part mounted on the inner surface of the upper end of the door frame, a rotary bar wherein an end of one side thereof is mounted on the rotary shaft, and a link bar wherein an end of one side thereof is hinge-mounted on the rotary bar and an end of the other side thereof is hinge-mounted on the fixing part; a door phone installed on the entrance door and provided with a camera, a microphone, and a speaker; a door lock which is installed on the entrance door, and locks or unlocks the entrance door to limit entry of an unauthorized visitor through the entrance door; and a door pad which comprises a short-range communication unit which is installed on the entrance door and communicates with a database storing information of a portable terminal given a right to pass through the entrance door and a control unit electrically connected to the short-range communication unit, the door lock, and the servo motor to control drive, and unlocks the door lock and drive the servo motor to automatically open the entrance door when the portable terminal whose information is stored in the database approaches within a detection range.

Description

[0001] SMART DOOR LOCK SYSTEM [0002]

The present invention relates to a smart digital door lock system, and more particularly, to a smart digital door lock system that includes a door frame, a servomotor coupled to an upper inner circumferential surface of the door frame and having a rotation shaft facing downward, And a link bar hinged to one end of the pivot bar and hinged to the other end of the pivot bar and hinged to the fixture; A door phone installed at the door and having a camera, a microphone and a speaker; A door lock installed at the entrance door to lock or unlock the entrance door to limit access of the entrance door from unauthorized visitors; A database for storing information of the portable terminal which is authorized to pass through the door, a local communication unit for wireless local area communication, and a control unit electrically connected to the door lock and the servomotor, And a door pad for automatically unlocking the door by driving the servo motor while releasing the lock of the door lock when the portable terminal having information stored in the database approaches the detection range. ≪ / RTI >

Generally, a door lock system is a device that is installed on the entrance of a building and is operated to automatically lock the door when the door is unlocked when a passenger enters the password and when the passenger goes out.

 This door lock system is widely used in the front door of an apartment or an office or an entrance of an ordinary home. In the case of such a door lock system, the door lock can not be opened if the password is not known. to be.

The door lock device may be classified into a contact door lock device and a non-contact door lock device. The password input type door lock device of the contact type door lock device inputs a password using an input button provided on the door lock device, After confirming whether the door is opened, the door is opened. In contrast, if the passenger is an outsider, the door is opened after confirming the identity of the passenger via the interphone and the interphone via the interphone.

Door-lock devices have been developed with new functions by popularization of smart phones. The door lock apparatus using the smart phone is configured to operate the door opening / closing apparatus of the door lock apparatus by using the near field communication or the commercial wireless communication.

In the control method of the door lock control system disclosed in Japanese Patent Application Laid-Open No. 10-2011-0014893, input information is input in response to a key button operation, authentication is performed using previously stored authentication information, authentication result information is generated, And transmits the result information to the registered portable terminal as a communication message. The accessor is configured to open and close the door lock device in accordance with the control command included in the message.

In addition, in the door lock apparatus using the smartphone and the control method thereof, when the passenger inputs the password of the door lock, the controller verifies whether or not the password is wrong after the authentication, and if the error is slight, If the degree of error is large, the captured image and the door lock status information are transmitted to the smart phone. Even if the unlocking password is inputted, the security state is entered without releasing the locked state.

Such conventional techniques determine whether the door is opened or closed by transmitting the authentication result using the smart phone to the password authentication of the door lock device. However, there has been a problem of requiring a safe and convenient authentication procedure in case of inevitable leakage of a password. In addition, when there is a luggage on both hands of the passenger, the luggage which is carried in both hands is lowered on the floor, then the button is manually pressed to release the password, and then the door is opened and the luggage is re-opened and passed through the door.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a door lock device capable of accessing without a password of a door lock when a passer- The present invention provides a smart door lock system capable of accessing the door.

In order to achieve the above-mentioned object, the present invention provides a door frame comprising a door frame, a servomotor coupled to an upper inner circumferential surface of the door frame and having a rotation shaft facing downward, a door having one end rotatably coupled to the door frame, And a link bar hinged to the one end of the rotation bar and hinged to the other end of the rotation bar; A door phone installed at the door and having a camera, a microphone and a speaker; A door lock installed at the entrance door to lock or unlock the entrance door to limit access of the entrance door from unauthorized visitors; A database for storing information of the portable terminal which is authorized to pass through the door, a local communication unit for wireless local area communication, and a control unit electrically connected to the door lock and the servomotor, And a door pad for releasing the lock of the door lock when the portable terminal having information stored in the database approaches the detection range and automatically opening the door by driving the servo motor, The passenger who has the portable terminal with the authority to perform the pass through the entrance door together with the visitor but the passerby first passes the entrance door and moves away from the door so that the door pad can not detect the portable terminal, When the door is not closed Wherein the sensor is operated after the portable terminal having the authority to pass through the door is allowed to pass through the door and moves until the preset time is exceeded The control unit drives the servo motor to close the door.

delete

delete

Further, in the present invention, when a visitor having a portable terminal that is not authorized to pass through the entrance door tries to pass through the entrance door, a mobile phone of a visitor is called through the door phone, And the door lock can be remotely opened after confirming the identity or information of the visitor.

In addition, in the present invention, when an attempt is made to open the door unusually, recording is performed through a camera provided in the door phone, and the recorded image is transmitted to the portable terminal registered in the database.

In the present invention, the wireless local area communication method may be one selected from the group consisting of Bluetooth, Zigbee, binary CDMA, and high frequency / low frequency RF.

According to the present invention as described above, when the door pad detects a portable terminal which is allowed to enter and leave, the door is automatically opened, so that a user can enter and leave the door without pressing the password of the door lock. In particular, Even if both hands can not be used as in the case, there is an advantage that the door can be passed quickly and conveniently.

Figures 1 and 2 are flow charts of a smart digital door lock system in accordance with the present invention.
3 to 4 are views for explaining a door according to an embodiment of the present invention
Figures 5 to 6 are block diagrams of a smart digital door lock system in accordance with the present invention.

Hereinafter, a smart digital door lock system according to the present invention will be described in detail with reference to the accompanying drawings.

The present invention makes it possible to enter and exit the room even when both hands can not be used, such as when carrying a heavy load on the two hands of the passenger, To a smart door lock system.

In the detailed description of the present invention and the drawings, a portable terminal refers to all portable devices capable of wireless communication such as a smart phone, a PDA, or a tablet PC. The entrance and exit means a person (for example, a house owner) possessing a portable terminal that is authorized to pass through the entrance door, and a visitor refers to a portable terminal that is not authorized to pass through the entrance door Refers to a person (for example, a friend) possessed by a person possessing a portable terminal having an authority not to pass through the door, and who is attempting to forcibly open a door without knowing each other do.

The present invention comprises a door 100, a door phone 200, a door lock 300 and a door pad 400.

3 to 4, the door 100 includes a door frame 110, a servo motor 111 coupled to the upper inner circumferential surface of the door frame and having a rotation axis facing downward, (121) coupled to the upper inner circumferential surface of the door, a rotation bar (131) having one end coupled to the rotation shaft, and a hinge shaft And a link bar 132 hinged to the fixture.

When the servo motor 112 rotates in one direction, the door 100 rotates in one direction by the rotary shaft coupled to the rotary shaft of the servo motor, and the link bar 132 is rotated by the rotary bar 131 When the servo motor 112 is rotated in the opposite direction, the door 120 is returned to the original state and closed.

A door phone 200 having a camera, a microphone, and a speaker is installed in the door. The door phone 200 is the same as an interphone provided at a door of a house or an apartment. The door phone 200 can make a video call with a portable terminal 500 of a visitor according to a description to be described later. The camera photographs a visitor or an outside person located in front of the door phone, And transmits the voice to the portable terminal of the visitor, and the speaker transmits voice (e.g., voice) generated by the portable terminal of the visitor to the door phone.

The door lock 300 locks the door so as to restrict access to the door from unauthorized visitors or outsiders. Generally, a door lock is composed of an inbody installed inside a door and an out body installed on the outside, and locks or unlocks a dead bolt to control the entrance to and exit from the room indoors or outdoors. The out-body may be provided with a button or a touch pad for releasing the lock by pressing a password set in advance, and may be provided with a device for a procedure of fingerprint or voice recognition in order to confirm the identity of a user and enhance authentication.

The door pad 400 includes a database 410 for storing information of a portable terminal authorized to pass through the door, a local communication unit 420 for wireless local area communication, and an electric connection unit And a control unit 430 for controlling the driving.

The door pad 400 releases the lock of the door lock 300 and the servo motor 112 when the portable terminal 500 having information stored in the database approaches the detection range, (100) is opened. For example, when a passenger moves from a door with a heavy load to both sides of the door, the door pad senses the door to unlock the door lock and then opens the door so that the passer can easily pass through the door.

The door pad 400 may be installed inside (inside) or outside (outdoors) of the door, and may be installed inside the door to prevent it from being exposed to the outside and being damaged. Wireless local area communication for connecting the door pad 400 and the portable terminal 500 is selected from among Bluetooth, Zigbee, binary CDMA, and high frequency / low frequency RF methods.

When storing the information of the portable terminal 500 authorized to pass through the door to the database 410, the information of the database 410 is stored in a storage means such as a USB and then connected to a computer (PC) A unique number or a phone number of a smart phone or the like may be directly input and stored or a portable terminal to which an authority is to be granted may be connected to the door pad via wireless short distance communication and then the authority may be granted.

On the other hand, if the battery of the portable terminal 500 of the passenger is discharged and the door lock can not be released through the wireless local area communication, the password or pattern inputted in advance in the door lock can be inputted to unlock the door lock and then enter and leave the room. That is, according to the present invention, as shown in FIG. 1, the door pad is automatically opened by wireless local communication in a state in which a portable terminal having an authority to pass a door is allowed to pass through, The door is passed through a door, such as a password, a pattern, or a fingerprint, in a state where the door has been discharged or not carrying a portable terminal.

2, when an attempt is made to open the door 100 abnormally, the door phone 200 records video through a camera, and the portable terminal 500 ), That is, transmits a recorded image to a portable terminal of a visitor.

For example, when an outsider (eg, a thief) attempts to break into a room by forcibly opening a door, a household that does not have a CCTV or private security system will take any action Can not. The private security system monitors the intrusion into the house in real time, so it has the advantage of security, but its use is insufficient due to the financial burden because it has to pay the corresponding amount. In the case of CCTV, recording is performed in real time and the recorded image can be used as evidence in the future.

On the contrary, when an outsider attempts to damage a door lock with a tool such as a hammer or a paruru, the door pad 400 records the situation through the door phone 200 and stores it in the database 410 At the same time, the recorded video is transmitted to the portable terminal 500 of the passenger. Visitors can check the situation in front of the door in real time, so they can ask their acquaintances or the police for help.

In addition, the present invention invokes a guest through the door phone 200 when a visitor wishes to pass through the door 100, and makes a video call with the guest to confirm the identity. The passenger can confirm the identity of the visitor through the camera and the microphone through the face or voice of the visitor. When the identity is confirmed, the door lock 200 can be remotely opened through the portable terminal 500 to pass through the door.

Next, the present invention will be described in detail with reference to the accompanying drawings. In the present invention, the passengers and visitors pass through the doorway 100 while passengers first pass through the entrance doors, the visitors pass through the doorway with a time difference and the passengers move away from the doorway, A detection sensor (not shown) for detecting a movement is installed in the door so that the door 100 can be closed when the terminal 500 can not be detected and the visitor can not enter and leave the room.

If the entrance door is open when the passengers and the visitor are accompanied and the passenger passes through the entrance door and the visitor is standing in front of the entrance door and the passenger moves away from the entrance door to close the entrance door, do. Therefore, it is preferable that a sensor for detecting a movement is installed in a doorway so that a visitor can enter and leave the room to detect whether or not there is a visitor who enters and leaves the room together with a guest after entering and leaving the room.

The detection sensor is operated after the portable terminal 500, which is authorized to pass through the door 100, passes through the door, and when the movement is not detected until the preset time is exceeded, To close the door. When the door is closed, the control unit 430 of the door panel drives the servo motor 112 and the door lock 200 to lock the door.

The smart door lock system according to the present invention is advantageous in that when a passenger passes through a door, he / she holds a heavy load on both hands of the passenger, so that even if the passenger can not use both hands, he can enter and exit the door without pressing the password.

100: Door 110: Door frame
111: Servo motor 120: Door
121: fixture 131: pivot bar
132: Link bar
200: Door phone 300: Door lock
400: Door panel 500: Portable terminal

Claims (6)

A door motor (110), a servo motor (111) coupled to an upper inner circumferential surface of the door frame and having a rotation axis facing downward, a door (120) having one end rotatably coupled to the door frame, And a link bar (132) hinged to one end of the rotation bar and hinged to the other end of the rotation bar, (100);
A door phone (200) installed at the door and having a camera, a microphone and a speaker;
A door lock (300) installed at the entrance door to limit entrance and exit of the entrance door from unauthorized visitors by locking or unlocking the entrance door;
A database 410 for storing information of the portable terminal 500 authorized to pass through the door, a short range communication unit 420 for wireless short distance communication, and a door lock / And a controller 430 for controlling the driving of the door motor 400. When the portable terminal having information stored in the database approaches the detection range, the door lock is released while the door is automatically opened by driving the servo motor. And a pad (400)
The passenger with the portable terminal having the authority to pass through the door passes through the door with the visitor but the passenger first passes through the door and is away from the door so that the door pad can not detect the portable terminal, A sensor for detecting movement is installed in the door so that the door is not closed when passing through the door,
The detection sensor is operated after the portable terminal having the authority to pass through the door is passed through the door, and when the movement is not detected until the predetermined time is exceeded, the servo motor is driven to close the door Wherein said smart digital door lock system comprises:
delete delete The method as claimed in claim 1, further comprising the steps of: when a visitor holding a portable terminal that is not authorized to pass through the door is to pass through the door, calling the portable terminal of the guest through the door phone, And the door lock can be remotely opened after confirming the identity or information of the visitor.
The smart digital door lock system according to claim 1, wherein when an attempt is made to open the door unusually, recording is performed through a camera provided in the door phone and a recorded image is transmitted to a portable terminal registered in a database .
The smart digital door lock system according to claim 1, wherein the wireless local area communication system is one selected from the group consisting of Bluetooth, Zigbee, binary CDMA, and high frequency / low frequency RF.
KR1020150103156A 2015-07-21 2015-07-21 Smart door lock system KR101634734B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150103156A KR101634734B1 (en) 2015-07-21 2015-07-21 Smart door lock system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150103156A KR101634734B1 (en) 2015-07-21 2015-07-21 Smart door lock system

Publications (1)

Publication Number Publication Date
KR101634734B1 true KR101634734B1 (en) 2016-07-08

Family

ID=56504546

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150103156A KR101634734B1 (en) 2015-07-21 2015-07-21 Smart door lock system

Country Status (1)

Country Link
KR (1) KR101634734B1 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180067365A (en) * 2016-12-12 2018-06-20 정남석 Auto door opening and shutting system and control method thereof using local wireless communication
KR101997673B1 (en) 2018-12-06 2019-07-08 주식회사 푸시풀시스템 Digital electronic device based on dual block chain comprising virtual blockchain
KR102037848B1 (en) 2019-03-27 2019-10-29 주식회사 푸시풀시스템 Digital electronic device operation method based on dual block chain comprising virtual blockchain
KR20190138452A (en) 2018-06-05 2019-12-13 김동욱 System for managing electronical locking using sound smart key and method for managing electronical locking using this
KR102150642B1 (en) 2019-06-14 2020-09-01 (주)위키박스 Smart door system using wireless charging
KR20200113103A (en) 2019-03-22 2020-10-06 주식회사 블록체인시스템 Digital electronic device operation based on dual block chain comprising virtual blockchain and its operation method
KR20200143302A (en) 2020-08-26 2020-12-23 (주)위키박스 Smart door system using wireless charging
KR20210071243A (en) 2019-12-06 2021-06-16 주식회사 기업서비스연구소 System and method for controlling smart opening/closing based on sound authentication key
CN113589790A (en) * 2021-07-30 2021-11-02 北京航空航天大学 Servo driver and controller safety access method based on servo driver fingerprint
KR102329035B1 (en) 2021-04-22 2021-11-19 (주)코데코이앤씨 Method, device and system for controlling smart door
KR20230038923A (en) * 2021-09-13 2023-03-21 주식회사 동영엠텍 Push-pull door lock for non-contact, non-face-to-face automatic entry and exit IoT control and its control method

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180067365A (en) * 2016-12-12 2018-06-20 정남석 Auto door opening and shutting system and control method thereof using local wireless communication
KR101899532B1 (en) * 2016-12-12 2018-11-02 황윤택 Auto door opening and shutting system and control method thereof using local wireless communication
KR20190138452A (en) 2018-06-05 2019-12-13 김동욱 System for managing electronical locking using sound smart key and method for managing electronical locking using this
KR101997673B1 (en) 2018-12-06 2019-07-08 주식회사 푸시풀시스템 Digital electronic device based on dual block chain comprising virtual blockchain
KR20200113103A (en) 2019-03-22 2020-10-06 주식회사 블록체인시스템 Digital electronic device operation based on dual block chain comprising virtual blockchain and its operation method
KR102037848B1 (en) 2019-03-27 2019-10-29 주식회사 푸시풀시스템 Digital electronic device operation method based on dual block chain comprising virtual blockchain
KR102150642B1 (en) 2019-06-14 2020-09-01 (주)위키박스 Smart door system using wireless charging
KR20210071243A (en) 2019-12-06 2021-06-16 주식회사 기업서비스연구소 System and method for controlling smart opening/closing based on sound authentication key
KR20200143302A (en) 2020-08-26 2020-12-23 (주)위키박스 Smart door system using wireless charging
KR102329035B1 (en) 2021-04-22 2021-11-19 (주)코데코이앤씨 Method, device and system for controlling smart door
CN113589790A (en) * 2021-07-30 2021-11-02 北京航空航天大学 Servo driver and controller safety access method based on servo driver fingerprint
CN113589790B (en) * 2021-07-30 2023-12-26 北京航空航天大学 Servo driver based on fingerprint of servo driver and controller safety access method
KR20230038923A (en) * 2021-09-13 2023-03-21 주식회사 동영엠텍 Push-pull door lock for non-contact, non-face-to-face automatic entry and exit IoT control and its control method
KR20230040313A (en) * 2021-09-13 2023-03-22 주식회사 동영엠텍 Method for controlling push-pull open/close door lock for IoT control of non-contact and non-face-to-face automatic access
KR102542623B1 (en) * 2021-09-13 2023-06-14 주식회사 동영엠텍 Push-pull door lock for non-contact, non-face-to-face automatic entry and exit IoT control and its control method
KR102545806B1 (en) * 2021-09-13 2023-06-22 주식회사 동영엠텍 Method for controlling push-pull open/close door lock for IoT control of non-contact and non-face-to-face automatic access

Similar Documents

Publication Publication Date Title
KR101634734B1 (en) Smart door lock system
KR101595413B1 (en) Access control system and method with structure type approved by hierarchical manager based on ICT convergence technology
KR101962753B1 (en) Digital Door System for preventing Crime and Robbery Preventing Method by Using thereof
KR101570463B1 (en) Portable terminals and door locks are interlocked
KR20170079653A (en) Household multi-function security device using the Internet
KR20180076169A (en) System and method for controling common entrance
US20190325677A1 (en) Home security system with automatic authorization functionality
KR101954449B1 (en) Smart door lock and its operating method
KR100922831B1 (en) Digital Doorlock, Security System and Method Using It
KR101526142B1 (en) The door lock control system and method using smart phone
KR100797517B1 (en) Intelligent Entrance Security System
KR20050089706A (en) Security door lock system
CN204703620U (en) The control system of smart lock
KR101025830B1 (en) A crime prevention system using recognition of a fingerprint
CN206753380U (en) A kind of intelligent integrated safety door
US11380153B2 (en) System for receiving delivery items and method therefor
JP7181710B2 (en) Entry/exit gate control system
KR102124164B1 (en) Inner door system with visitor monitoring function
KR100718196B1 (en) Device, system and method of multi-step locking
KR102183174B1 (en) Smart door system
KR20150114618A (en) The Method to be controlled the Door Camera and Doorlock by SmartPhone with NFC Function Based on M2M in Mobile Network and the Equipment for it
KR102256928B1 (en) Safety management system for apartment houses using information and communication
JP2007046290A (en) Opening-closing device
KR102052734B1 (en) Smart crime prevention door and controlling of the same
KR100445368B1 (en) A doorlock security device using Real-time Password Generator

Legal Events

Date Code Title Description
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20190605

Year of fee payment: 4