A precise mobile alarm positioning device based on physical buttons
A positioning device and button technology, which is applied in the direction of location information-based services, alarms, instruments, etc., can solve the problems of low practical performance, the alarm device cannot realize mobile position alarm, poor positioning effect, etc., and achieve low cost and alarm effect Excellent, get rid of the effect of regional restrictions
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[0027] Such as figure 1 Said: a precise mobile alarm positioning device based on physical buttons, including a mobile terminal 1 with a built-in alarm positioning module, a server 2 for processing alarm information sent by the mobile terminal and locating and estimating the position of the mobile terminal, said The mobile terminal is provided with a wireless signal module or an accelerometer or a gyroscope and an electronic compass module. The mobile terminal is equipped with a key switch 3 for controlling the start and close of the alarm location module. The mobile terminal is provided with a key switch 3. The click action is converted into a digital signal processing circuit chip. The mobile terminal and the server perform data exchange through wireless communication. jack, left channel jack, right channel jack, and analog input jack, the key switch is connected to the processing circuit chip through wires, and the processing circuit chip is connected to the grounding jack a...
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