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Mobile phone anti-theft and anti-loss alarming method based on Bluetooth technology

An anti-lost, mobile phone technology, applied in the direction of electric alarms, electrical components, transmission systems, etc., can solve the problems of potential safety hazards, inconvenient portability, fixed alarm distance, etc., to improve alarm accuracy, easy to carry, and alarm accurate effect

Active Publication Date: 2012-06-20
CHONGQING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Nowadays, mobile phones have become an essential device for people's daily life. However, when the mobile phone is stolen or forgotten by oneself, it is a headache, and the loss of important information stored in the mobile phone often brings great harm to the user. Greater loss, so the mobile phone alarm device came into being
[0003] The alarms that appeared on the market in the early days were bound to other objects other than mobile phones. This kind of alarms were large in size and not easy to carry, which would bring great inconvenience to users in use.
The alarm device based on bluetooth technology of smaller equipment appeared afterwards, as the Chinese patent that application number is 200620058961 discloses a kind of anti-lost and anti-theft alarm for valuables based on bluetooth technology, which is composed of at least one bluetooth communication module, The alarm module and the DC power supply are composed; the Bluetooth communication module can carry out digital communication with the equipment containing the Bluetooth communication module including the Bluetooth mobile phone, realizing the function of using the Bluetooth technology to realize the alarm of the mobile phone, but the alarm has the following defects: The alarm distance is fixed, and users cannot independently set the alarm distance according to their own needs, which limits the user's use range; the alarm distance does not consider environmental factors, and the alarm effect is not good; the alarm function cannot be implemented when the Bluetooth signal is suddenly interrupted or attenuated; the alarm Not specifically designed for mobile phones, it can be connected to multiple Bluetooth devices, which poses a security risk

Method used

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  • Mobile phone anti-theft and anti-loss alarming method based on Bluetooth technology
  • Mobile phone anti-theft and anti-loss alarming method based on Bluetooth technology
  • Mobile phone anti-theft and anti-loss alarming method based on Bluetooth technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 101. Establish a Bluetooth connection between the mobile phone and the alarm

[0034] In order to solve the problem that the prior art alarm is not specially designed for mobile phones and is connected with multiple bluetooth devices, there are potential safety hazards,

[0035] Preferably, as an implementable mode, the bluetooth wireless connection mode between the mobile phone and the alarm is to use the method of recording the bluetooth address when querying and pairing for the first time, that is, when the alarm is successfully paired with the mobile phone bluetooth for the first time, the alarm records The globally unique identification UUID of the mobile phone is searched, and the alarm device only connects to the mobile phone marked with the identification identification every time it searches for a Bluetooth device.

[0036] Preferably, as another kind of implementable mode, the Bluetooth wireless connection mode between the mobile phone and the alarm is after t...

Embodiment 2

[0052] 201. The implementation steps are the same as those in 101;

[0053] 202. The implementation steps are the same as 102, shown as Figure 4 of ①;

[0054] 203. The mobile phone sends the alarm environment information value and the alarm distance threshold Th to the alarm through the Bluetooth connection, indicating as follows Figure 4 ②, the alarm detects the Bluetooth signal strength value RSSI emitted by the mobile phone, and estimates the distance Dis between the mobile phone and the alarm according to the received signal strength value RSSI and the alarm environment information value, as shown in Figure 4 of ③;

[0055] The detection of the Bluetooth signal strength value RSSI is a well-known technology in the art, and will not be described in detail here.

[0056] 204. When the distance Dis exceeds the alarm distance threshold Th, an alarm is triggered, specifically including:

[0057] The alarm estimates the distance Dis between the alarm and the mobile phone...

Embodiment 3

[0064] 301. The implementation steps are the same as 101;

[0065] 302. Set the alarm environment information value on the alarm, and obtain the alarm distance threshold Th;

[0066] The difference between this step and step 102 is that the alarm environment information value is set in the alarm to obtain the alarm distance threshold Th, and the specific method for obtaining the alarm distance threshold Th is the same as step 102.

[0067] 303. The alarm device detects the Bluetooth signal strength value RSSI emitted by the mobile phone, and estimates the distance Dis between the mobile phone and the alarm device according to the received signal strength value RSSI and the alarm environment information value;

[0068] 304, the same as step 204.

[0069] In this implementation, information is input on the alarm, signal detection and judgment are performed on the alarm, and when the alarm threshold is exceeded, the mobile phone or / and the alarm are activated to alarm.

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Abstract

The invention relates to a mobile phone anti-theft and anti-loss alarming method based on the Bluetooth technology. The method comprises the following steps: creating a Bluetooth wireless connection between a mobile phone and an alarm; setting an alarming environment information value; obtaining an alarming distance threshold value Th; detecting a Bluetooth signal-strength value RSSI; estimating the distance Dis between the mobile phone and the alarm according to the received signal strength value RSSI and the alarming environment information value; and giving an alarm once the distance Dis exceeds the alarming distance threshold value Th. According to the invention, the alarm is more accurate with the environmental factor considered for the alarming distance; the alarming distance can be set according the requirement of the users; further, when the maximal transmission distance of the Bluetooth signal is exceeded, the alarm or the mobile phone can perform automatic detection and give an alarm; the current mobile phone GPS information can be automatically obtained and sent to a mobile phone number arranged in advance; and a method for bidirectionally detecting signal strength is adopted, thereby improving the alarming precision.

Description

technical field [0001] The invention relates to a mobile phone anti-theft and anti-lost alarm method based on bluetooth technology. Background technique [0002] Nowadays, the mobile phone has become an essential device for people's daily life. However, when the mobile phone is stolen or forgotten by oneself, it is a headache, and the loss of important information stored in the mobile phone often brings great harm to the user. Greater loss, so the mobile phone alarm device came into being. [0003] The alarms that appeared on the market in the early days were bound to objects other than mobile phones. Such alarms were large in size and not easy to carry, which would bring great inconvenience to users in use. The alarm device based on bluetooth technology of smaller equipment appeared afterwards, as the Chinese patent that application number is 200620058961 discloses a kind of anti-lost and anti-theft alarm for valuables based on bluetooth technology, which is composed of at...

Claims

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Application Information

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IPC IPC(8): G08B13/24H04B5/00
Inventor 陈国平张百珂马耀辉
Owner CHONGQING UNIV OF POSTS & TELECOMM
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