Theft prevention method and device
An anti-theft method and image acquisition device technology, applied in anti-theft alarms, transmission monitoring, instruments, etc., can solve the problems of increasing input costs and high prices, and achieve the effect of reducing input costs
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Embodiment 1
[0068] An embodiment of the present invention provides an anti-theft method, such as figure 1 shown, including:
[0069] 101. Acquire a detection signal of a terminal device; wherein, the detection signal is a signal sent by the terminal device when detecting whether there is an available network.
[0070] The executor of the embodiment of the present invention may be a network device, specifically a Wi-Fi network device, such as a router, a smart TV, etc.; it may also be a Bluetooth network device, such as a smart TV with a Bluetooth function. It should be noted that these network devices have a database function and can store and query information of terminal devices interacting with themselves. The anti-theft method provided by the embodiment of the present invention can be applied in the process of preventing theft at home, and can also be applied in the process of preventing theft in public places. The embodiment of the present invention is illustrated by taking the app...
Embodiment 2
[0098] This embodiment exemplifies the anti-theft method provided by Embodiment 1. The execution subject in this embodiment is a Wi-Fi router. For related explanations, please refer to the above embodiments, as figure 2 As shown, the method may specifically include the following steps:
[0099] 201. Start the anti-theft system.
[0100] When step 201 is actually implemented, when the network device is provided with a button for activating the anti-theft system, when the user to which the network device belongs wants to leave the house, the anti-theft system is activated through the button.
[0101] 202. Acquire a Wi-Fi detection signal of the terminal device.
[0102] 203. Analyze the Wi-Fi detection signal, and obtain the MAC address of the terminal device according to the Wi-Fi protocol.
[0103] It should be noted that any device on the network has its MAC address, and the MAC address is usually set at the factory and will not change.
[0104] 204. Acquire a signal stre...
Embodiment 3
[0112] The embodiment of the present invention provides an anti-theft device 30 for implementing figure 1 shown in the anti-theft method, such as image 3 As shown, the anti-theft device 30 includes: an acquisition unit 301 and an alarm unit 302 .
[0113] The obtaining unit 301 is configured to obtain a detection signal of a terminal device; wherein, the detection signal is a signal sent by the terminal device when detecting whether there is an available network.
[0114] The alarm unit 302 is configured to perform an alarm operation when the detection signal meets a preset condition.
[0115] Optionally, the acquiring unit 301 is further configured to: acquire a signal strength value of the detection signal; the detection signal meets a preset condition, including: the signal strength value of the detection signal is greater than or equal to a preset value .
[0116] optional, such as Figure 4 As shown, the anti-theft device 30 further includes: an analysis unit 303, conf...
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