electronic lock

From the current technical level and market recognition level, the most widely used is the keyboard type electronic code lock, which is mainly used in safes, safes and vaults, and some are used in safe deposit boxes and cash transport vehicles. The keyboard type electronic password is input on the keyboard, which is similar to the telephone call, so it is easy to grasp. The outstanding advantage is that the "password" is the number and character recorded in the mind of the authorized person, which is accurate and reliable, and will not be lost (except forgot). It is difficult to be stolen (unless you disclose it yourself). But the password can't be too simple. It's too easy to be tested by others on the keyboard, or it may be sneaked by bystanders, resulting in insufficient confidentiality. Of course, the password can not be too complicated, too complicated, may be confused, or the input password operation success rate is low, resulting in inconvenient use. Therefore, in order to carry forward the advantages and overcome the weaknesses, keyboard-type electronic passwords are also constantly evolving. For example, the "arbitrary setting password" technology enables the authorized person to set the password according to his own needs or preferences, which is often used frequently; The "password" technology makes the password entered this time automatically changed to the password that should be entered next time. The change rule is not known to others, so it is not afraid of bystanders to peep; the ingenious "keyboard out of order display" technology makes the fixed keys on the keyboard The characters displayed each time are not fixed, and the narrow angle of the display can only be seen by the operator. Therefore, even if the observer sees the operation, it is difficult to peek into the password; the "multiple password setting" technology makes the single password not It must be effective and suitable for multi-person decentralization. It is necessary to input more than two sets of passwords to be recognized, which greatly improves the confidentiality. If the order or time period of entering these passwords is limited, the confidentiality can be improved. In the process of entering a password, in order to limit the attempt to test the password, the error code is usually input several times or for a certain period of time, that is, the keyboard is "blocked" and the input operation is no longer accepted. In short, despite the emergence of new types of electronic anti-theft locks, keyboard-type electronic password anti-theft locks are still "old trees sprouting", not only in the market, but also often as an auxiliary input means for other types of electronic anti-theft locks.

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