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RF-based portable goods theft-proof and alarm system and control method thereof

An anti-theft alarm and radio frequency technology, which is applied in the direction of electric alarms, record carriers used by machines, instruments, etc., can solve complex problems, increase system cost and consumption, and achieve adjustable monitoring range and new labels for low battery detection. Identify and other problems to achieve the effect of reducing the number

Inactive Publication Date: 2012-05-30
SOUTH CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This existing technology is relatively complicated, and each radio frequency tag corresponds to an item monitoring terminal, which requires more item monitoring terminals, and an item management center host is also added, which increases the cost and consumption of the system
In addition, the patented technology does not realize the functions of adjustable monitoring range, low battery detection and new label recognition

Method used

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  • RF-based portable goods theft-proof and alarm system and control method thereof
  • RF-based portable goods theft-proof and alarm system and control method thereof
  • RF-based portable goods theft-proof and alarm system and control method thereof

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Embodiment Construction

[0027] The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

[0028] figure 1 It is a working principle diagram of the present invention, including a reader 1, more than two electronic tags 2, and an alarm unit 3. The reader 1 is connected to the electronic tags 2 through radio frequency communication, and the reader 1 is connected to the alarm unit 3 through wireless communication. When the electronic tags 2 in the system work at the same time, in order to prevent signal conflicts, first set a unique address code for each tag, use the reader 1 to speak first, send signals to the electronic tags 2 one by one, and detect whether the tags are in within the monitoring range of the reader. At the same time, a wireless sending module 7 is installed on the reader 1 , and a wireless receiving module 12 is installed on the alarm unit 3 . When one of the electronic tags 2 is artificially moved out of the monitorin...

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Abstract

The invention discloses an RF-based portable goods guard against theft and alarm system and a control method thereof, mainly aiming at alarming problems of portable goods, in particular vehicle-borne goods. The system of the invention comprises a reader, more than two electronic tags and a wireless alarm, wherein, the main parts of the reader and the electronic tags are a main controller and an RFIC; the system comprises the following hardware of a module whose monitoring range is selectable, a low battery detection module and a new tag identification module, and the system can realize operation with collision prevention and low power consumption. The invention has low power consumption and long service life of batteries, is easy to realize the monitoring of portable goods or valuables, such as office PC, luggage, mobile phones and the like.

Description

technical field [0001] The invention belongs to the field of an ultra-high frequency wireless anti-theft alarm system, in particular to an anti-theft alarm system for portable articles based on radio frequency and a control method thereof. Background technique [0002] Radio frequency identification (RFID) technology is gradually becoming a mainstream application technology, which enables rapid item identification. Radio frequency identification technology has the characteristics of high stability, strong mobility, low price, and not easily affected by the environment (such as temperature). At present, in the anti-theft alarm system of portable items, some mechanical locks or infrared technology are mainly used for anti-theft alarm, and radio frequency identification technology has not been applied to the anti-theft of portable items. In view of the above-mentioned technical advantages of radio frequency identification and the characteristics of portable items, radio freque...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B13/24G06K7/00G06K19/07
Inventor 张铁民刘旭吴志杰
Owner SOUTH CHINA AGRI UNIV
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