Anti-dismounting active electronic label

An electronic label and anti-disassembly technology, which is applied to record carriers, instruments, computer parts, etc. used by machines, and can solve the problem that electronic labels cannot be disassembled at will.

Inactive Publication Date: 2015-01-28
SHAANXI HI-TECH IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some occasions, it is required that the electronic tag cannot be disa...

Method used

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  • Anti-dismounting active electronic label

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Embodiment Construction

[0009] An anti-disassembly active electronic tag is characterized in that it consists of four parts: a power supply, a main control module, a radio frequency module and an anti-dismantle switch, wherein the main control module is connected to the radio frequency module and the anti-dismantle switch, and the power supplies are respectively provided to the main control module and the radio frequency Module power supply. The model of the chip used in the main control module is MSP430F212. The radio frequency module is composed of nRF24L0l, antenna and crystal oscillator.

[0010] In this paper, nRF24L01 is used as the radio frequency chip, which has built-in functional modules such as frequency generator, power amplifier, modulator and demodulator, which can make the circuit design simple. At the same time, nRF24L01 has extremely low current consumption. The current of the chip is only 12.3mA when it works in receiving mode, 11.3mA in 0 dBm power transmission, and only 900 mA in...

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Abstract

The invention relates to low-power active electronic label with an anti-dismounting function. The anti-dismounting active electronic label is composed of four parts including a power supply, a master control module, a radio frequency module and an anti-dismounting switch, wherein the master control switch is connected with the radio frequency module and the anti-dismounting switch, and the power supply respectively supplies power to the master control module and the radio frequency module. According to the invention, an nRF24L01 chip is taken as a radio frequency chip, and the anti-dismounting function of the electronic label is realized through one switch. An individual data channel is distributed to a data packet carrying an abnormity state, so that when the label is separated from an object, monitoring personnel can be rapidly notified. In case of forced dismounting of the label, a card reader performs differential treatment on illegal personnel and legal personnel through by recording the frequency of the abnormity state of the label.

Description

technical field [0001] The invention relates to a low-power active electronic label with anti-disassembly function. Background technique [0002] In 2.45G wireless communication, ZigBee, Bluetooth, etc. are mature and have unified protocol standards that can be used at present. However, there are also 2.45G wireless technologies that use closed protocol communication, such as wireless mice, 2.45G active RFID readers, etc. Most of them use the nRF24L01 chip of Nordic Semiconductor Company, and each manufacturer can formulate its own communication protocol according to its own needs. Although Bluetooth and ZigBee are standard protocols, their protocols are complex and difficult to develop, while non-standard radio frequency protocols have the advantages of low power consumption, low cost, and easy development. [0003] Active electronic tags based on nRF24L01 have broad application prospects in object recognition, data acquisition and other fields. However, some occasions r...

Claims

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Application Information

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IPC IPC(8): G06K19/077
Inventor 王耀斌
Owner SHAANXI HI-TECH IND CO LTD
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