Method and system for preventing thievery for mobile equipment by aid of WIFI (wireless fidelity) module

A mobile device, signal strength technology, applied in the direction of electric alarms, etc., can solve problems such as additional purchases

Active Publication Date: 2013-12-04
FUZHOU ROCKCHIP SEMICON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can effectively prevent theft of mobile devices, it is necessary to purchase additional anti-theft devices with Bluetooth modules.

Method used

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  • Method and system for preventing thievery for mobile equipment by aid of WIFI (wireless fidelity) module
  • Method and system for preventing thievery for mobile equipment by aid of WIFI (wireless fidelity) module

Examples

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Embodiment Construction

[0029] like figure 1 As shown, a mobile device anti-theft system using a WIFI module includes the following modules: a central processing unit 1, an SDIO controller 2, a WIFI signal detection module 3, a buzzer system 4, a WIFI module 5, and a speaker 6. WIFI module 5 is used to connect to WIFI hotspot, SDIO controller 2 is used to control WIFI module 5, WIFI signal detection module 3 is used to detect the signal strength value of WIFI hotspot, speaker 6 is used to sound an alarm, and buzzer system 4 is used to drive Horn 6, central processing unit 1 is used for judging and comparing the size of the signal strength of the WIFI hotspot that WIFI module 5 connects, and drives horn 6 to send alarm sound by buzzing system 4.

[0030] When applying the present invention for anti-theft, there should be a WIFI hotspot group 7 that can be used for connection around the mobile device, and the WIFI hotspot group 7 includes a plurality of wireless hotspots, including wireless AP1 to wire...

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Abstract

The invention provides a method and a system for preventing thievery for mobile equipment by the aid of a WIFI (wireless fidelity) module. The method includes steps of 10, acquiring signal initial strength values of connected WIFI hotspots; 20, acquiring signal strength values of the WIFI hotspots; 30, returning to the step 20 if a ratio of each acquired signal strength value to the corresponding signal initial strength value is not lower than a first attenuation ratio, recording each acquired signal strength value as a second signal strength value if the ratio of the acquired signal strength value to the corresponding signal initial strength value is lower than the first attenuation value; 40, acquiring signal strength values of the WIFI hotspots; 50, returning to the step 40 if a ratio of each acquired signal strength value to the corresponding second signal strength value is not lower than a second attenuation ratio, and driving a loudspeaker on the mobile equipment to make an alarm sound if the ratio of a certain acquired signal strength value to the corresponding second signal strength value is lower than the second attenuation value. The method and the system have the advantages that extra antitheft equipment is omitted when the method and the system work, and an excellent thievery prevention effect can be realized.

Description

technical field [0001] The invention relates to a method and system for anti-theft of mobile equipment by using a WIFI module. Background technique [0002] WIFI is composed of "wireless (radio)" and "fidelity (fidelity)". It is a technology that can connect personal computers, handheld devices (such as PDAs, mobile phones), and wireless routers to each other in a wireless manner. Now almost all smart devices on mobile platforms have a WIFI module function, and users can connect to WIFI hotspots (wireless signals) through the WIFI module to access the Internet and obtain the required network resources. In addition, mobile platform devices such as mobile phones and tablets are relatively small and portable. While improving portability, it also increases the possibility of equipment being stolen. At present, there is already a kind of anti-theft measure using an anti-theft device with a Bluetooth module on the market. Its principle is to utilize the short-distance characteri...

Claims

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Application Information

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IPC IPC(8): G08B13/22
Inventor 林涛
Owner FUZHOU ROCKCHIP SEMICON
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