TWI711292B - Electrical lock and duress alarming method thereof - Google Patents

Abstract

An electrical lock and duress alarming method thereof, inserting the random number in the deleted character address as an input password, and deleting the inserted random number for reassembling the deleted input password into a duress alarming password in a subsequent determining process. Therefore, when the duress alarming password is the correct password, the electrical lock is unlocked and output a helping signal at the same time for achieving the anti-theft effect.

Description

Electronic lock and its duress alarm method

The present invention relates to an electronic lock, in particular to a duress alarm method for an electronic lock.

Electronic locks can be unlocked by password input, password card induction or fingerprint pressing. It is not as traditional as traditional locks that require a physical key to unlock and lock. Therefore, electronic locks are significantly more convenient than traditional locks. A physical key is required, and the electronic lock is also safer than traditional locks in terms of anti-theft. In addition, because the electronic lock is unlocked and locked under the control of an electronic device, if the electronic device is connected to the network, the user can remotely control or monitor the locked state of the electronic lock, so as to avoid the problem of forgetting to lock occur.

Although electronic locks are more convenient and safer to use than traditional locks, they may also be opened by criminals by duress entering the password. Therefore, in the prior art, the user sets an anti-duress password for the electronic lock. When the gangster enters the password, the user enters the anti-duress password, so that the electronic lock will send a distress signal to the security center when the door is opened normally, but when the user is under duress, it is easy to forget the infrequent anti-duress Password, making this anti-theft function unavailable.

The main purpose of the present invention is to provide a duress alarm method for an electronic lock. By inserting a random code into the deleted character address of the input password, and deleting the inserted random code during the judgment process, it can avoid forgetting the set anti-duress password The problem occurred.

A duress alarm method for an electronic lock of the present invention includes: (a) providing an electronic lock having a processing unit and an input unit, the input unit is electrically connected to the processing unit, wherein the processing unit stores at least one correct Password and a deleted character address; (b) input an input password to the processing unit through the input unit; (c) the processing unit deletes the input password at the deleted character address, and then The remaining characters of the input password are reorganized into an anti-duress password; (d) the processing unit judges whether the anti-duress password is the correct password, if so, proceed to step (e), if otherwise, output a password error signal; and (e) The processing unit outputs the unlocking signal to the unlocking unit, and the processing unit outputs a distress signal to a distress unit.

An electronic lock of the present invention includes a processing unit and an input unit. The processing unit has a receiving module, a storage module, a judgment module, and an arithmetic module. The storage module is electrically connected to the receiving module , The judgment module is electrically connected to the storage module, the calculation module is electrically connected to the storage module and the judgment module, wherein the storage module stores at least a correct password and a deleted character address, the input The unit is electrically connected to the receiving module, the input units are used to input an input password to the receiving module of the processing unit, wherein the judgment module is used to judge whether the input password is the correct password, and if so, the judgment module The module outputs an unlocking signal to an unlocking unit. If otherwise, it outputs a password deletion signal to the operation module. The operation module is used to delete the input password at the deleted character address and delete the The remaining characters of the input password are reorganized into an anti-duress password, the judgment module receives the anti-duress password, and the judgment module judges whether the anti-duress password is the correct password, and if so, the judgment module outputs the unlock signal to The unlocking unit and the judgment module output a distress signal to a distress unit.

The duress alarm method of the electronic lock of the present invention is that a random code is filled in the deleted character address as the input password, and the random code on the deleted character address is deleted and reorganized into the anti-duress in the subsequent steps The password can be unlocked and call for help while judging that the anti-duress password is correct. Since there is no need to set another set of anti-duress passwords, it can prevent the set anti-duress password from being suddenly forgotten or pressing the anti-duress password and calling for help. The problem occurred.

Please refer to Figure 1, which is an embodiment of the present invention, a flow chart of a duress alarm method 10 for an electronic lock. First, an electronic lock is provided in step 11 "Provide an electronic lock". Please refer to Figure 2. The lock 100 has a processing unit 110, an input unit 120, an unlocking unit 130, a calling unit 140, and an alarm 150. The input unit 120, the unlocking unit 130, the calling unit 140, and the alarm 150 are electrically connected The processing unit 110, in this embodiment, the processing unit 110 has a receiving module 111, a storage module 112, a judgment module 113, an arithmetic module 114, and a password error module 115. The receiving module The group 111 is electrically connected to the input unit 120, the storage module 112 is electrically connected to the receiving module 111, the judgment module 113 is electrically connected to the storage module 112, and the calculation module 114 is electrically connected to the storage module 112 and the judgment module 113. The password error module 115 is electrically connected to the judgment module 113. The processing unit 110 can be a microprocessor or other arithmetic unit that can be built into the electronic lock 100.

In this embodiment, the storage module 112 stores at least one correct password and a deleted character address. The correct password has a maximum number of characters, which depends on the storage capacity of the storage module 112. However, the deleted character address can be the first N characters, the last N characters, or N characters in any position of the input password, where N is a positive integer, because the anti-coercion method in this embodiment is only Restricting the deleted character address is not limited to entering a specific number in the deleted character address. Therefore, when the user is duressed, he can enter a random code in the deleted character address to prevent the user from being threatened. , The problem of forgetting the set duress password due to tension occurs.

Please refer to Figures 1 and 2, in step 12 "Enter a password to the processing unit", input a password to the receiving module 111 of the processing unit 110 through the input unit 120, where the input unit 120 can be a physical button Or touch the screen, and the input password input by the input unit 120 is transmitted to the storage module 112 via the receiving module 111 and temporarily stored in the storage module 112.

Please refer to Figures 1 and 2. In step 13 "determine whether the input password is correct", the judgment module 113 of the processing unit 110 receives the input password by the storage module 112, and the judgment module 113 judges Whether the input password is the correct password, if yes, proceed to step 14a "output unlock signal to unlock unit", the judgment module 113 of the processing unit 110 outputs an unlock signal to the unlock unit 130 to unlock the unlock unit 130, If otherwise, the judgment module 113 outputs a password deletion signal to the calculation module 114 to proceed to step 14b "delete the characters of the input password and reorganize them into a duress password".

Preferably, please refer to Figure 1. If the number of characters in the input password entered in step 12 is greater than the upper limit of the correct password, it means that the user has inserted a random code into the correct password Make the number of characters greater than the upper limit of the number of characters, so there is no need to go through step 13 to determine whether the input password is the correct password, and proceed directly to step 14b.

Please refer to Figures 1 and 2. In step 14b, the operation module 114 of the processing unit 110 receives the input password and the deleted character address from the storage module 112, and the operation module 114 deletes the input The password is located at the characters on the deleted character address, and the remaining characters of the input password are reorganized into an anti-duress password. Please refer to Figure 3, which is a schematic diagram of the operation module 114 deleting and reorganizing part of the characters of the input password. The address of the deleted character in Figure 3(a) is the first two characters, so the input The first two characters "7" and "6" in the password "7654321" are deleted, and the remaining characters are reorganized into the anti-duress password "54321". The deleted character addresses in Figure 3(b) are the 3rd, 4th and 5th characters, so the input password "7654321" is located at the 3rd, 4th and 5th characters "5", "4" and " 3" is deleted, and the remaining characters are reorganized into the anti-duress password "7621". The deleted character address in Figure 3(c) is the last two characters, so the last two characters "2" and "1" in the input password "7654321" are deleted, and the remaining characters are Reorganized into the anti-duress code "76543". The deleted character addresses in Figure 3(d) are the 2, 4, and 6 characters, so the input password "7654321" is located at the 2, 4, and 6 characters "6", "4" and " 2" is deleted, and the remaining characters are reorganized into the anti-duress password "7531". The deleted character addresses in the example shown in Figure 3 are only part of the embodiment of the present invention, and the present invention is not This limit. Please refer to FIG. 2, the calculation module 114 transmits the recombined anti-duress password to the judgment module 113.

Please refer to Figures 1 and 2. In step 15 "Determine whether the anti-duress password is the correct password", the determination module 113 of the processing unit 110 determines whether the anti-duress password is the correct password, and if so, proceed to step 16a " Output the unlock signal to the unlock unit and output the distress signal to the distress unit", if otherwise, proceed to step 16b "Output the password error signal to the password error module".

Please refer to Figures 1 and 2. When the anti-duress password is the correct password, it also means that the user has entered the input password with a random code, so step 16a is performed, and the judgment module 113 of the processing unit 110 The unlocking signal is output to the unlocking unit 130 to unlock the unlocking unit 130 to avoid suspicion of criminals. At the same time, the judgment module 113 outputs a distress signal to a distress call unit 140, which can be a building security room or It is cloud security monitoring. The security unit can know that the user is in danger through the call for help signal and provide immediate rescue.

Please refer to Figures 1 and 2. If the anti-duress password is not the correct password, it means that the entered password may only be pressed by the user by mistake. Therefore, in step 16b, the judgment module 113 outputs a password error signal to the password error module. Group 115, where the password error module 115 receives the password error signal and counts it, and if the number of times the password error module 115 receives the password error signal is greater than a threshold, it means that there may be gangsters guessing the password Therefore, the password error module 115 outputs an alarm signal to an alarm 150, so that the alarm 150 sounds an alarm to achieve a deterrent effect. When the user re-enters the input password in step 12, and the judgment module 113 judges that the input password is the correct password, the number of times the password error module 115 counts is reset to zero.

Preferably, in another embodiment, the storage module 112 further stores an upper limit number of characters for an input password and a lower limit number of characters for an input password, wherein, if the number of characters of the input password entered in step 12 is greater than When the maximum number of characters in the input password is or is less than the minimum number of characters in the input password, the judgment module 113 outputs the password error signal to the password error module 115, and the password error module 115 receives the password error signal and counts it. Moreover, the number of times the password error module 115 receives the password error signal is greater than the threshold value and outputs the alarm signal to the alarm 150.

In the duress alarm method 10 of the electronic lock of the present invention, a random code is filled in the deleted character address set as the input password, and the random code on the deleted character address is deleted and reorganized in the subsequent steps For the anti-duress password, it can be unlocked and call for help when the anti-duress password is judged to be the correct one. Since there is no need to set another anti-duress password, it can prevent the set anti-duress password from being forgotten or accidentally pressed And the issue of calling for help occurred.

The scope of protection of the present invention shall be subject to the scope of the attached patent application. Anyone who is familiar with the art and makes any changes and modifications without departing from the spirit and scope of the present invention shall fall within the scope of protection of the present invention. .

10 Coercion alert method of electronic lock 11 Provide electronic lock 12 Enter the password to the processing unit 13 Determine whether the entered password is the correct password 14a Output the unlock signal to the unlock unit 14b Delete the characters entered in the password and reorganize it into an anti-duress password 15 Judge whether the anti-duress password is correct 16a Output the unlock signal to the unlock unit and output the distress signal to the distress unit 16b Output password error signal to the password error module 100 electronic lock 110 processing unit 111 Receiving module 112 Storage module 113 Judgment module 114 Computing module 115 Password error module 120 Input unit 130 Locking unit 140 Calling unit 150 Siren

Figure 1: According to an embodiment of the present invention, a flow chart of a duress alarm method for an electronic lock. Figure 2: A functional block diagram of an electronic lock according to an embodiment of the invention. Figure 3: A schematic diagram of deleting and reorganizing some characters of the input password according to an embodiment of the present invention.

10 Coercion alert method of electronic lock 11 Provide electronic lock 12 Enter the password to the processing unit 13 Determine whether the entered password is the correct password 14a Output the unlock signal to the unlock unit 14b Delete the characters entered in the password and reorganize it into an anti-duress password 15 Judge whether the anti-duress password is correct 16a Output the unlock signal to the unlock unit and output the distress signal to the distress unit 16b Output password error signal to the password error module

Claims (10)

A duress alarm method for an electronic lock, comprising: (a) providing an electronic lock, the electronic lock having a processing unit and an input unit, the input unit is electrically connected to the processing unit, wherein the processing unit stores at least one correct password And a deleted character address; (b) input an input password to the processing unit through the input unit; (c) the processing unit deletes the character of the input password at the deleted character address, and inputs the The remaining characters of the password are reorganized into an anti-duress password; (d) the processing unit determines whether the anti-duress password is the correct password, and if so, proceeds to step (e), if otherwise, outputs a password error signal; and (e) the The processing unit outputs the unlocking signal to an unlocking unit, and the processing unit outputs a distress signal to a distress unit. For example, the duress alarm method of electronic lock described in the scope of patent application, wherein in step (b), the processing unit determines whether the input password is the correct password, and if so, the processing unit outputs an unlock signal to the unlock Unit, if otherwise proceed to step (d). For example, the duress alarm method for electronic locks described in item 2 of the scope of patent application, wherein the correct password has a maximum number of characters, if the number of characters of the input password entered in step (b) is greater than the maximum number of characters If the input password is the correct password, proceed to step (d) directly without judging whether the input password is the correct password. For example, the duress alarm method of electronic lock described in the scope of patent application, wherein the deleted character address is the first N characters, the last N characters or N characters at any position of the input password, where N Is a positive integer. For example, the duress alarm method for an electronic lock described in the scope of the patent application, wherein the processing unit has a password error module, and the password error module receives the password error signal and counts it, If the number of times the password error module receives the password error signal is greater than a threshold value, the processing unit outputs an alarm signal to an alarm. For example, the duress alarm method for an electronic lock described in item 5 of the scope of patent application, wherein if the processing unit determines that the input password is the correct password, the number of times the password error module is counted is reset to zero. An electronic lock comprising: a processing unit with a receiving module, a storage module, a judgment module and an arithmetic module, the storage module is electrically connected to the receiving module, and the judgment module is electrically connected The storage module is connected, the calculation module is electrically connected to the storage module and the judgment module, wherein the storage module stores at least a correct password and a deleted character address; and an input unit is electrically connected to the The receiving module, the input units are used to input an input password to the receiving module of the processing unit, wherein the judgment module is used to judge whether the input password is the correct password, and if so, the judgment module outputs an unlock Signal to an unlocking unit, if otherwise, output a password deletion signal to the calculation module, the calculation module is used to delete the input password at the deleted character address, and the remaining words of the input password The element is reorganized into an anti-duress password, the judgment module receives the anti-duress password, and the judgment module judges whether the anti-duress password is the correct password, and if so, the judgment module outputs the unlocking signal to the unlocking unit, and The judgment module outputs a distress signal to a distress unit. Such as the electronic lock described in item 7 of the scope of patent application, wherein the address of the deleted character is the first N characters, the last N characters or N characters at any position of the input password, where N is a positive integer . For example, the electronic lock described in item 7 of the scope of patent application, wherein the processing unit further has a password error module, the password error module is electrically connected to the judgment module, if the judgment module judges that the anti-duress password is not the If the password is correct, the judgment module outputs a password error signal to the password error module. The password error module receives the password error signal and counts. If the password error module receives the password error signal more than a threshold When value is set, the password error module outputs an alarm signal to an alarm. For the electronic lock described in item 9 of the scope of patent application, if the judgment module judges that the input password is the correct password, the number of times the password error module counts is reset to zero.

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