KR101648932B1 - Method for unlocking door-lock device and door-lock device - Google Patents

Method for unlocking door-lock device and door-lock device Download PDF

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Publication number
KR101648932B1
KR101648932B1 KR1020150059915A KR20150059915A KR101648932B1 KR 101648932 B1 KR101648932 B1 KR 101648932B1 KR 1020150059915 A KR1020150059915 A KR 1020150059915A KR 20150059915 A KR20150059915 A KR 20150059915A KR 101648932 B1 KR101648932 B1 KR 101648932B1
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KR
South Korea
Prior art keywords
door lock
terminal
sound code
audio signal
sound
Prior art date
Application number
KR1020150059915A
Other languages
Korean (ko)
Inventor
최인정
Original Assignee
주식회사 사운드잇
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Priority to KR1020150059915A priority Critical patent/KR101648932B1/en
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Publication of KR101648932B1 publication Critical patent/KR101648932B1/en

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0089—Operating or controlling locks or other fastening devices by electric or magnetic means with electronic learning functions

Abstract

As a preferred embodiment of the present invention, a sound code value serving as a security key is transmitted to a terminal to unlock the digital door lock, and a sound code value corresponding to a sound code value serving as a security key is output from the terminal. In the digital door lock, the digital door lock is released when the sound code received from the terminal matches the preset password. As a preferred embodiment of the present invention, a sound code value generated by a terminal changes according to a sound code value serving as a security key transmitted from a digital door lock to a terminal, so that different audio signals are output for the same password. Prevent theft.

Description

[0001] The present invention relates to a door lock device and a door lock device,

The present invention relates to a door lock unlocking method using a terminal. In more detail, the present invention relates to a method for solving security problems that may occur when a door lock is unlocked.

In recent years, digital door locks have been installed in homes and offices to control access. The key input of the digital door lock is dangerous to be stolen by people around, fingerprints on the keypad, and button tones when entering the keypad.

KR1020130107188a

In a preferred embodiment of the present invention, a sound code corresponding to a password of a door lock is output through a device such as a smart phone using a local communication, wired / wireless communication, sound codes received from the digital door lock, Lt; / RTI >

In another preferred embodiment of the present invention, when the lock of the door lock is released by outputting the sound code variably in the terminal, the theft by sound recording or the like is prevented. In particular, when the sound signal of the sound code corresponding to the password output from the terminal is constant each time, the risk of the theft of the surrounding person is prevented.

In an exemplary embodiment of the present invention, an audio signal including a sound code received from a terminal in a digital door lock is identified, and the digital door lock is released when the identified sound code matches a predetermined password.

In another preferred embodiment of the present invention, a sound code value serving as a security key is transmitted to a terminal which desires to unlock the digital door lock in a digital door lock, and a sound code value corresponding to a sound code value Output the value. In the digital door lock, the digital door lock is released when the sound code received from the terminal matches the preset password.

In this case, since the sound code value generated by the terminal changes according to the sound code value serving as the security key transmitted from the digital door lock to the terminal, different audio signals are output to the same password, thereby preventing the digital door lock password from being stolen.

In another preferred embodiment of the present invention, a sound code is generated using a non-audible sound signal in a terminal, thereby preventing a digital door lock password from being stolen.

According to a preferred embodiment of the present invention, there is provided a method for unlocking a door lock, comprising: outputting a secure audio signal including a secure sound code to a terminal having an unlock function of a door lock; Transmitting, by the terminal, a registration terminal confirmation audio signal including a unique identification number of the terminal or a sound code of a mobile phone number corresponding to the secure sound code; Confirming whether the unique identification number of the terminal or the sound code of the portable telephone number matches the unique identification number or the portable telephone number of the terminal already registered in the door lock memory after receiving the registration terminal confirmation audio signal in the door lock; Outputting a secure audio signal including the secure sound code to the terminal in the door lock; Generating an unlocked sound code corresponding to the secure sound code at the terminal and transmitting a door lock unlocked audio signal including the unlock sound code; Receiving the door lock unlocked audio signal from the door lock, and identifying whether the unlock sound code in the door lock unlocked audio signal received in the door lock matches a predetermined password of the door lock.

According to another preferred embodiment of the present invention, there is provided a method for unlocking a door lock, comprising: outputting a secure audio signal including a secure sound code to a terminal having an unlock function of a door lock; Generating an unlocked sound code corresponding to the secure sound code at the terminal and transmitting a door lock unlocked audio signal including the unlock sound code; Receiving the door lock unlocked audio signal from the door lock, and identifying whether the unlock sound code in the door lock unlocked audio signal received in the door lock matches a predetermined password of the door lock.

According to another preferred embodiment of the present invention, a door lock apparatus includes a communication unit for performing wired / wireless communication with a terminal; A memory unit that stores a door lock code, a plurality of secure sound codes, and a sound code table corresponding to each of the plurality of secure sound codes; A security audio signal output unit for outputting a security audio signal including a security sound code to a terminal having an unlock function of a door lock; A door lock unlocked audio signal receiving a door lock unlocked audio signal including an unlock sound code variably generated according to a security sound code value transmitted from the door lock to the terminal, An audio signal receiving unit; A password deciding unit for deciding whether the unlock sound code in the door lock unlocked audio signal coincides with the predetermined password of the door lock and a door lock opening / closing unit for releasing the door lock when the password matches.

As a preferred embodiment of the present invention, the door lock device outputs a sound code corresponding to a password input and its number in a terminal to release the lock of the door lock device, thereby eliminating the need for a separate key pad in the door lock device itself. As a result, the door lock apparatus can be miniaturized.

As a preferred embodiment of the present invention, the door lock device provides a randomly selected security sound code whenever the user desires to unlock the door lock device, so that the sound of the sound code required to unlock the door lock device is different. As a result, the sound code corresponding to the telephone number and the password is specified differently according to the key value, thereby reducing the risk of theft by recording or the like, thereby providing a higher safety to the user. Also, it is possible to provide an effective post-management means by managing the access management in conjunction with the smartphone application using the access management server or the home network.

1 shows a system diagram for performing unlocking of a digital door lock as a preferred embodiment of the present invention.
Fig. 2 shows an internal configuration diagram of a door lock apparatus as one preferred embodiment of the present invention.
3 shows an example of transmitting and receiving a sound code between a door lock device and a terminal according to a preferred embodiment of the present invention.
4 and 5 show an example of a secure sound code used in a preferred embodiment of the present invention.
Figure 6 shows a flow diagram of a method for unlocking a door lock using a secure sound code, according to a preferred embodiment of the present invention.
7 is a flowchart illustrating a method of releasing a door lock using a secure sound code after authentication is performed for a terminal having a door lock unlocking right according to a preferred embodiment of the present invention.

When a digital door lock is unlocked using a sound code in a digital door lock, if the sound signal of the sound code corresponding to the password is constant each time, there is a high risk of being stolen by the recording of the surrounding persons. In a preferred embodiment of the present invention, the risk of the theft that may occur when the digital door lock is unlocked is reduced.

To this end, as a preferred embodiment of the present invention, the door lock device does not use fixed sound codes for each number or character of a password, but rather uses a number or a letter of a password according to a security sound code value randomly provided to a terminal from a door lock device And assigns a sound code corresponding to the secure sound code value.

In other words, the terminal generates a variable sound code to unlock the door lock device. In a preferred embodiment of the present invention, the security of the digital door lock is enhanced by assigning a variable sound code to the same number or character.

Hereinafter, a description will be given with reference to the drawings.

1 shows a system diagram for performing unlocking of a digital door lock as a preferred embodiment of the present invention.

1, the door lock apparatus 100 of the system shown in FIG. 1 stores a door lock application, and provides a door lock application stored when a request for downloading a door lock application is received from the terminal 200. FIG.

The terminal 200 can be connected to the door lock device 100 to download a door lock application or directly download it from an app market such as the Android market or Apple's App store.

As a preferred embodiment of the present invention, the terminal 200 includes a smart phone, a notebook, an app, a tablet, a PC, a handheld device, and a wearable device.

The door lock apparatus 100 includes a door lock opening / closing unit 101, a control unit 102, a password determination unit 103, an acoustic input unit 104, an acoustic output unit 105, a screen display unit 106 A communication unit 107, a battery 108, and a memory 109. The communication unit 107, Further, it can be implemented to provide a keypad to the user through the screen display unit 106. [

As a preferred embodiment of the present invention, the door lock apparatus 100 is capable of communicating with the terminal 200 via a communication unit 107 by wire or wireless. Bluetooth, and NFC. And can also communicate with the security company server 300 or the home network server 302. [

The terminal 200 includes an environment setting unit 201, a control unit 202, a sound code processing unit 203, an acoustic input unit 204, an acoustic output unit 205, a communication unit 206, a screen display unit 207, 208 and a memory 209. In the terminal 200, various setting items such as a password setting necessary for unlocking the door lock apparatus 100 can be set through the environment setting unit 201. Also, it is possible to encode and decode sound codes in the sound transmitted or received in the transmission / reception process with the door lock apparatus 100 through the control unit 202 and / or the sound code processing unit 203.

Fig. 2 shows an internal configuration diagram of a door lock apparatus as one preferred embodiment of the present invention. 3 shows an example of transmitting and receiving a sound code between a door lock device and a terminal according to a preferred embodiment of the present invention. 2 and 3 are referred to as follows.

The door lock apparatus 100 includes a door lock opening and closing unit 101, a control unit 102, a password determination unit 103, an acoustic input unit 104, an acoustic output unit 105, a screen display unit 106, a communication unit 107, 108 and a memory 109. [ Preferably, the sound output unit 105 may further include a secure audio signal output unit 125. Preferably, the sound input unit 104 may further include a door lock unlocked audio signal receiving unit 124.

The door lock apparatus 100 further includes a secure sound code generation unit 110 for generating a secure sound code, a password registration unit 120 for registering a preset password of the door lock apparatus, And a terminal authentication unit 130 for registering the terminal list.

As a preferred embodiment of the present invention, the door lock apparatus 100 transmits a secure audio signal including the secure sound code S100 to the terminal 200. [ The terminal 200 receiving the secure audio signal identifies the secure sound code S100 in the secure audio signal. Then, an unlock sound code (S200) corresponding to the identified security sound code is generated. Thereafter, the door lock apparatus 100 transmits the door lock unlocked audio signal including the unlock sound code S200. The transmission method can be short range wireless communication such as Bluetooth, NFC communication, and wired / wireless communication.

The door lock unlocked audio signal can be implemented as audible or non-audible sound. In a preferred embodiment, when the door lock unlocked audio signal is audible sound, the frequency of the unlock sound code may be selected within a range of 100 Hz to 16000 Hz.

In addition, when the door lock unlocked audio signal is an audible sound, the frequency of the unlocked sound code may utilize frequencies out of the human audible range using a frequency of 18000 Hz or higher. Or a non-audible signal frequency of 22,000 Hz or higher, it can be free from the risk of being stolen because it can not be recorded or reproduced on a terminal such as a smart phone.

The password determination unit 103 of the door lock apparatus 100 identifies the unlock sound code S200 in the door lock unlocked audio signal and determines whether the unlocked sound code S200 identified in the door lock apparatus 100 matches the password stored in the memory 109 do.

Each component is described in more detail below.

In a preferred embodiment of the present invention, the door lock apparatus 100 uses a sound code for unlocking. Sound codes can be implemented with numbers 0 through 9 and letters. Generally, a sound code consists of a head, a content, and an error correction code.

The sound code is generated by pre-allocating a single or plural tones for a number or character. In this case, the acoustic signal for one digit or one character is generated with a predetermined fixed duration between 50 and 100 msec.

In one preferred embodiment of the present invention, the door lock apparatus 100 transmits a secure audio signal including the secure sound code S100 to the terminal. 4 and 5 show an example of a secure sound code used in a preferred embodiment of the present invention. In a preferred embodiment of the present invention, the secure sound code is a value obtained by converting a key value transmitted from the door lock apparatus 100 to the terminal 200 into a sound code.

In a preferred embodiment of the present invention, the tone for a specific number or character differs according to a key value. For example, if the key value is A, the number '4' forms a duotone sound signal (S410) of 400 Hz and 1800 Hz. Also, if the key value is B, the number '4' forms a dual tone sound signal (S420) of 600 Hz and 1200 Hz. In one preferred embodiment of the present invention, a tone code of a different tone may be generated according to the key value for one number.

An example of setting the password to '4' is as follows. When a security audio signal including the security sound code 'A' corresponding to the key value A is transmitted from the door lock apparatus 100 to the terminal 200, the terminal 200 transmits 400 Hz corresponding to the security sound code 'A' Unlock sound code of a duotone (S410) of 1800 Hz and transmits the door lock unlocked audio signal including the unlock sound code to the door lock apparatus 100. [

When the password is '4', when the door lock apparatus 100 transmits the security audio signal including the security sound code 'B' corresponding to the key value B to the terminal 200, the terminal 200 transmits the security sound code Unlock sound code of 600 Hz and 1200 Hz duotone (S420) corresponding to 'B' is generated and transmitted to the door lock apparatus 100.

In this case, the user of the terminal 200 transmits the same password to the door lock apparatus 100. However, even if the password is the same, the unlocked sound code value transmitted from the terminal 200 to the door lock apparatus 200 differs according to the security sound code value received from the door lock apparatus 100. [ That is, different door lock unlocked audio signals are generated for the same password.

In the above description, the password is a single number. However, it should be noted that the password may be a combination of numbers, letters, numbers, or letters in one preferred embodiment of the present invention.

The secure sound code generation unit 110 randomly selects an arbitrary key value among a plurality of key values previously stored in the secure sound code table 112 of the memory 109 and converts it into a sound code to generate a secure sound code do.

In one preferred embodiment of the present invention, the memory 109 stores information on a tone or a sound code to be generated from a number or a character in each key value in the sound code table 114.

FIG. 5 shows a sound code table 114 storing a sound code assigned to a number according to a key value. The door lock apparatus 100 and the terminal 200 share information about a predetermined number of secure sound codes stored in the secure sound code table 112 of the door lock apparatus 100 and sound code information corresponding to each of the secure sound codes in advance can do. In addition, the door lock device 100 may set one password applied to all terminals or may set a different password for each terminal.

The terminal 200 generates an unlock sound code based on the secure sound code value in the secure audio signal received from the door lock apparatus 100. [ The door lock apparatus 100 receives the door lock unlocked audio signal including the unlock sound code in the door lock unlocked audio signal receiving unit 124. Then, the control unit 102 extracts an unlock sound code from the door lock unlocked audio signal. The unlock sound code receiving unit 116 receives the decoded unacknowledged sound code from the control unit 102. [

Thereafter, the password determination unit 103 refers to the sound code table 114 and extracts the password based on the unlock sound code received by the unlock sound code receiving unit 116, and determines whether or not it matches the preset password. Only when the passwords match, the door lock opening / closing unit 101 releases the lock of the door lock apparatus.

As another preferred embodiment of the present invention, the door lock apparatus 100 and the terminal 200 can pre-share information on a predetermined number of secure sound codes and unlock sound code information corresponding to each of the secure sound codes .

In another preferred embodiment of the present invention, the door lock device 100 and the terminal 200 share information on a predetermined number of security sound codes, and when the specific security sound code is received, And the terminal 200 may generate an identical one-time password at random. In this case, when the door lock apparatus 100 transmits a randomly selected security sound code to the terminal 200, the door lock apparatus 100 generates a disposable password based on the transmitted security sound code.

The terminal 200 generates a disposable password in the same manner as in the door lock apparatus 100 based on the received security sound code. Thereafter, the disposable password is converted into the unlock sound code so as to correspond to the key value required by the secure sound code, and the unlock sound code can be transmitted to the door lock apparatus 100 by putting it in the door lock unlocked audio signal.

Referring again to FIG. 2, the door lock apparatus 100 may limit a terminal that can unlock the door lock to a terminal registered in advance. The terminal authentication unit 130 may allow the unlocking of the door lock apparatus 100 only for the devices registered in the door lock system by using the unique identification number of the terminal or the telephone number of the smart phone.

The terminal authentication unit 130 may also be configured to prevent a specific terminal from using the unlock function of the door lock apparatus 100 in preparation for loss or theft of the terminal. That is, the terminal authentication unit 130 can generate and manage a terminal that can use the door lock unlocking function and a terminal list that can not be used.

As a preferred embodiment of the present invention, the door lock apparatus 100 may be configured such that a particular terminal is waked up by pressing a button on the door lock apparatus 100 or by a short distance communication to activate the unlocking of the door lock apparatus 100 .

In this case, the door lock apparatus 100 can confirm whether or not the terminal can utilize the unlocking of the door lock apparatus 100 through the terminal authenticating unit 130. From the terminal 200, a unique identification number of the terminal 200 or a mobile phone number in the form of a sound code sound.

In this case, when receiving the unique identification number or the mobile phone number of the terminal 200, the secure sound code may be additionally used as described above.

That is, it is possible to transmit the security sound code in the door lock apparatus 100, and receive the registration terminal confirmation audio signal including the unique identification number of the terminal 200 or the sound code of the mobile phone number corresponding to the secure sound code.

Thereafter, when the terminal authentication unit 130 confirms the authenticated terminal, the security sound code is transmitted again, and the door lock unlocked audio signal including the unlock sound code is received from the terminal to release the lock of the door lock.

As another preferred embodiment of the present invention, the door lock apparatus 100 may be configured to set a different password for each terminal 200. [ In this case, in the case of the terminal 200 registered in the terminal authentication unit 130, a different secret number can be set by combining the unique identification number or the mobile number of the terminal with the password of the door lock apparatus 100.

In one embodiment, if the mobile number of the first terminal is 010-5135-1357 and the password of the door lock apparatus 100 is 0987, a number of 513513570987 may be set as the password of the first terminal. In this case, the first terminal and the door lock apparatus 100 can encrypt the password by converting the numbers 513513570987 and 751351357098, respectively.

Similarly, when the unique identification number of the second terminal is 357975 and the password of the door lock apparatus 100 is 0987, the number 3579750987 can be set to the password of the second terminal. In this case, the second terminal and the door lock apparatus 100 can encrypt the password by 7357975098, which is converted into a number of 3579750987, one by one, respectively.

It should be noted that various methods other than the above method can be used as a method of setting a different password to the terminal.

As a preferred embodiment of the present invention, the terminal authentication unit 130 may set a list of terminals for which access to the door lock apparatus is prohibited. For example, when a terminal having a mobile number 010-5135-1357 is lost, the terminal authentication unit 130 may set the terminal having the mobile number 010-5135-1357 as a terminal that can not unlock the door lock So as to restrict access to the door lock apparatus at a later time.

If it is determined that the terminal that is not registered in the terminal authentication unit 130 accesses to unlock the door lock device or that the password determination unit 103 determines that a password that does not match is input a predetermined number of times or more, (100) may be implemented to deliver a notification message to a security server or an administrator.

The door lock apparatus 100 also sends information to the security server or the administrator about the time the terminal unlocked the door lock apparatus 100, the information of the terminal that unlocked the door lock apparatus 100, and the like to access the door lock apparatus 100 Record information of one terminal. Also, the door lock apparatus 100 may output a specific sound through the sound output unit 105 to inform the abnormal situation.

Figure 6 shows a flow diagram of a method for unlocking a door lock using a secure sound code, according to a preferred embodiment of the present invention.

The terminal 200 transmits a wake-up signal to activate the door lock 100 unlock function (S610). In this case, the wake-up signal can be transmitted by the user of the terminal 200 by pressing the button of the door lock 100 or by communicating with the terminal 200 through the door lock 100.

The door lock 100 transmits a secure audio signal including the secure sound code to the terminal 200 that has activated the unlock function of the door lock 100 (S620). The terminal 200 identifies the secure sound code in the received secure audio signal (S630), and generates an unlocked sound code corresponding to the identified secure sound code. Thereafter, the door lock unlocking audio signal including the generated unlock sound code is transmitted to the door lock 100 (S640).

The door lock 100 extracts the unlock sound code from the received door lock unlocked audio signal, and identifies whether the password indicated by the unlock sound code matches the password set in the door lock 100 (S650). In addition, the terminal 200 that has transmitted the door lock unlocked audio signal may further perform authentication as to whether the terminal 200 has the right to unlock the door lock (S650).

If the password matches and the device is authorized to unlock the doorlock, unlock the doorlock. If the password does not match more than the preset number of times, or a terminal that does not have the right to unlock the doorlock has access to the door lock, a notification message can be sent to the security management server or the administrator.

7 is a flowchart illustrating a method of releasing a door lock using a secure sound code after authentication is performed for a terminal having a door lock unlocking right according to a preferred embodiment of the present invention.

The terminal 200 transmits a wake-up signal to activate the door lock 100 unlock function (S710). The door lock 100 transmits a secure audio signal including the secure sound code to the terminal 200 that has activated the unlock function of the door lock 100 (S720). The terminal 200 identifies the secure sound code in the received secure audio signal (S730), and transmits the registration terminal confirmation audio signal including the terminal unique identification number corresponding to the identified secure sound code or the sound code of the mobile phone number of the terminal (S740).

After receiving the registration terminal confirmation audio signal, the door lock 100 confirms whether it is a registered terminal stored in the door lock memory 100 on the basis of the terminal unique identification number or the sound code of the portable telephone number of the terminal S742).

If it is confirmed as a registration terminal, the door lock 100 transmits again the randomly selected security sound code to the terminal 200 (S750). The terminal 200 identifies the secure sound code in the received secure audio signal (S760), and generates an unlocked sound code corresponding to the identified secure sound code (S770). Thereafter, the door lock unlocking audio signal including the generated unlock sound code is transmitted to the door lock 100 (S770).

The door lock 100 extracts the unlock sound code from the received door lock unlocked audio signal and identifies whether the password indicated by the unlock sound code matches the password preset in the door lock 100 (S780). In addition, the terminal 200 that has transmitted the door lock unlocked audio signal may further perform authentication as to whether the terminal 200 is a door lock unlocking authority (S780).

If the password matches and the device is authorized to unlock the doorlock, unlock the doorlock. If the password does not match more than the preset number of times, or a terminal that does not have the right to unlock the doorlock has access to the door lock, a notification message can be sent to the security management server or the administrator.

The method of the present invention can also be embodied as computer readable code on a computer readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored. Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may be implemented in the form of a carrier wave (for example, transmission via the Internet) . The computer-readable recording medium may also be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. Accordingly, the scope of protection of the present invention should be construed in accordance with the following claims, and all technical ideas within the scope of equivalents and equivalents thereof should be construed as being covered by the scope of the present invention.

Claims (11)

A method of unlocking a door lock in a terminal, the method comprising:
Automatically waking up the door lock by activating the unlocking function of the door lock through the short-range communication in the terminal, and outputting a security audio signal including the security sound code to the terminal in the door lock;
Generating an unlocked sound code corresponding to the secure sound code at the terminal and transmitting a door lock unlocked audio signal including the unlock sound code;
Receiving the door lock unlocked audio signal from the door lock;
And determining whether the unlock sound code in the door lock unlocked audio signal received at the door lock by the password determination unit of the door lock matches a predetermined password of the door lock,
The door lock may be configured to register a terminal capable of unlocking the door lock in advance and to use a different password for each registered terminal by using a mobile phone number of a previously registered terminal or a unique identification number identifying an already registered terminal Setting,
The door lock and the terminal share in advance the unlocked sound code information corresponding to each of the secure sound codes and the information about the predetermined number of secure sound codes and include the unlocked sound code indicating the same password, And outputs a different sound when the secure sound code is different,
The door lock outputs a secure audio signal including any security sound code randomly selected from among the preset number of security sound codes in the outputting step and each of the pre- Lock unlocked audio signal every time the lock of the door lock is released based on the unique identification number identifying the number or the pre-registered terminal and the security sound code received from the door lock,
The door lock unlocked audio signal is generated based on the door lock or a combination of numbers or characters supported by the terminal, and each of the numbers or characters is assigned a single tone or a plurality of tones, The signal utilizes an audible sound, wherein the frequency of the unlocked sound code is selected at a frequency of at least 18000 Hz or at a frequency of at least 22000 Hz, and is assigned to each of the plurality of characters in accordance with the randomly selected secure sound code Lt; RTI ID = 0.0 > tones. ≪ / RTI > delete delete delete delete The method of claim 1, wherein the door lock unlocked audio signal
Characterized in that an audible sound is further available,
Wherein when the door lock unlocked audio signal is audible sound, the frequency of the unlock sound code is selected within a range of 100 Hz to 16000 Hz. As a door lock apparatus,
A communication unit that automatically activates the door lock unlock function through the short-range communication with the terminal to maintain the door lock in a wake-up state and perform wired / wireless communication with the terminal;
A memory unit that stores a door lock code, a plurality of secure sound codes, and a sound code table corresponding to each of the plurality of secure sound codes;
A security audio signal output unit for outputting a security audio signal including a security sound code to a terminal having an unlock function of a door lock;
A door lock unlocked audio signal receiving a door lock unlocked audio signal including an unlock sound code variably generated according to a security sound code value transmitted from the door lock to the terminal, An audio signal receiving unit;
A password determining unit for identifying whether the unlocking sound code in the door lock unlocked audio signal matches a predetermined password of the door lock;
A door lock opening / closing unit for releasing the door lock when the passwords match;
And a terminal authentication unit for registering a terminal capable of unlocking the door lock,
Wherein the secure audio signal output unit outputs a secure audio signal including a randomly selected secure sound code among the plurality of secure sound codes,
Even if the door lock unlocked audio signal received by the door lock unlocked audio signal receiving unit includes an unlock sound code indicating the same password, a different sound is generated when the secure sound code is different, A different password is set for each of the pre-registered terminals by using the mobile phone number or the unique identification number identifying the pre-registered terminal,
Each of the pre-registered terminals has a random door lock function every time the door lock device is unlocked based on the mobile phone number of the pre-registered terminal or the unique identification number identifying the pre-registered terminal and the received secure sound code, Generates an unlocked audio signal,
The door lock unlocked audio signal is generated on the basis of a combination of numbers or characters supported by the door lock device, and a single tone or a plurality of tones is assigned to each of the numbers or characters, Wherein the frequency of the unacknowledged sound code is selected at a frequency of at least 18000 Hz or at a frequency of at least 22000 Hz and wherein a tone assigned to each of the plurality of characters in accordance with the randomly selected secure sound code The door lock device being provided with the door lock device. delete delete 8. The apparatus of claim 7, wherein the terminal authentication unit
And adds the terminal unable to unlock the door lock. delete
KR1020150059915A 2015-04-28 2015-04-28 Method for unlocking door-lock device and door-lock device KR101648932B1 (en)

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