An access control device with the function of passive calling to open the door and its control method
A technology of passive call and control method, which is applied in the direction of instruments, single input/output port registers, time registers, etc., which can solve problems such as imperfect technology, hidden safety hazards, and insecurity, so as to improve the safety factor, Eliminate the effect of operating errors or malicious door opening
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[0026] Such as figure 1 or figure 2 As shown, the present invention has an access control device with a function of passively calling the door, which includes an access control machine, a cloud server, and a mobile terminal bound to the access control machine. The access control machine is provided with an unlock request key and a network communication module, and the unlock request key is used for visitors. Initiate an unlocking request, the access control machine sends the unlocking request to the cloud server through the network communication module, and the cloud server sends the unlocking request to the mobile terminal corresponding to the access control machine that initiated the unlocking request, and the mobile terminal is preset with an unlocking application. The program is provided with an unlocking module and an unlocking protection module, the unlocking protection module is used to activate and freeze the unlocking module, and the unlocking module is used to send ...
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