Access control system, door opening method corresponding to access control system, electronic equipment and readable medium
An access control system and access control technology, applied in the field of access control systems and computer readable media, can solve the problems of personal information leakage, high error rate of face recognition, inconvenience, etc., to avoid series connection and interference, protect personal information, and solve inconvenient problems convenient effect
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Embodiment approach 1
[0091] Embodiment 1. An access control system, characterized in that it includes:
[0092] The remote control key is used to verify the first signal when receiving the first signal, and send the second signal after the verification is passed;
[0093] The master controller is configured to periodically send the first signal, and execute the door unlocking operation when receiving the second signal.
Embodiment approach 2
[0094] Embodiment 2. The access control system according to Embodiment 1, further comprising:
[0095] A programmer is used for matching and setting between the remote control key and the main controller.
Embodiment approach 3
[0096] Embodiment 3. The access control system according to Embodiment 1, characterized in that,
[0097] The signal frequency range of the first signal is 0KHz to 300KHz;
[0098] The signal frequency range of the second signal is 3MHz to 3GHz.
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