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Laptop theft prevention system based on ZigBee and GSM, and working method thereof

A technology for notebook computers and anti-theft systems, which is applied in the directions of anti-theft alarms, anti-theft alarm mechanical activation, and alarms that rely on moving hand-held items, etc. , to achieve good reliability and stability

Inactive Publication Date: 2015-09-02
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention can give an alarm when the notebook computer is not turned on, but the USB plug will affect the normal power on and off of the computer, and affect the normal use of the computer. Moreover, if the user is far away from the computer, the alarm cannot effectively realize the alarm at all, and the practicability is poor

Method used

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  • Laptop theft prevention system based on ZigBee and GSM, and working method thereof
  • Laptop theft prevention system based on ZigBee and GSM, and working method thereof
  • Laptop theft prevention system based on ZigBee and GSM, and working method thereof

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Experimental program
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Effect test

Embodiment 1

[0044] Such as Figure 1-3 shown.

[0045] A kind of notebook computer anti-theft system based on ZigBee and GSM, comprises sensor terminal and control total terminal; Sensing terminal and control total terminal are correspondingly provided with sensor terminal ZigBee node and control total terminal ZigBee node, and described sensor terminal comprises Remote arm and disarm module, angle sensor and intelligent USB interface module. The smart USB interface module includes VCC pins, D+ pins, D- pins and GND pins. The D+ pins are connected to an additional high-level pull-up resistor and a grounded filter capacitor. When the smart When the USB interface is normally connected to the protected computer, the input from the D+ signal line to the I / O port of the single-chip microcomputer is low level. When the connection is disconnected, the signal line will become high level, thereby introducing the single-chip microcomputer as an external interrupt. , so that the system realizes th...

Embodiment 2

[0054] A working method of the notebook computer anti-theft system as described in embodiment 1-2, comprising steps as follows:

[0055] 1) Power on each module;

[0056] The sensing terminal is powered by a power module, and the control terminal is powered by the mains;

[0057] 2) The sensing terminal is connected to the protected computer through the USB interface, and the user configures the arming of the sensing terminal through the remote control;

[0058] 3) When the sensing terminal is turned over abnormally and / or the USB cable connected to the sensing terminal is disconnected, the sensing terminal sends an alarm message to the control master through the sensing terminal ZigBee node and the control master ZigBee node;

[0059] 4) After the control terminal receives the alarm information sent by the sensor terminal, it will perform the following alarm work at the same time:

[0060] ① On-site high-decibel alarm;

[0061] ②Remotely send the alarm information to the u...

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Abstract

The invention relates to a laptop theft prevention system based on ZigBee and GSM, and a working method thereof. The system comprises a sensing terminal and a control main terminal. The sensing terminal and the control main terminal are respectively provided with a ZigBee node. The sensing terminal is in integrated connection with the corresponding ZigBee node, and is disposed on a laptop through a USB interface. The control main terminal is connected with the corresponding ZigBee node, and is disposed on a monitoring terminal computer through a USB interface. The system provided by the invention employs the ZigBee nodes to enable the sensing terminal and the control main terminal to achieve direct communication, enables alarm information to be remotely transmitted to a user in a manner of short messages through a GSM network, achieves remote alarm during on-site alarm, and is better in reliability and stability.

Description

technical field [0001] The invention relates to a notebook computer anti-theft system based on ZigBee and GSM and a working method thereof, belonging to the technical field of notebook computer anti-theft. Background technique [0002] Notebook computers are widely favored by consumers because of their high integration, small size, strong mobility, stylish personality, and affordable prices. Especially college students have become the main consumer group of notebook computers. [0003] While notebooks bring convenience to consumers, they also bring security risks: because of their small size and easy portability, they are easy to be stolen. In addition, due to the high population density and high mobility of the student dormitory, the phenomenon of losing computers in the dormitory happens from time to time. Unlike other property, the storage content in the computer usually involves important learning materials, personal privacy, business secrets, etc. The loss caused by t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B13/14
CPCG08B13/14G08B13/1418G08B25/08
Inventor 李琪冯德军罗靖许宏吉
Owner SHANDONG UNIV
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