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How many ways does the eas door system have? [Bohang]

Views:5     Author:Allen     Publish Time: 2019-06-28      Origin:Site

How many ways does the eas door system have? [Bohang]

 

The eas door system radio frequency system uses radio waves as the signal for transmitting and receiving, and the detection frequency range is 7. x~8. x megahertz. The transmitted signal is a radio signal, which is the same signal as a mobile phone or a broadcast, but with different frequencies. The advantage of the radio system is that the system cost is very low and the installation is convenient. However, because the anti-theft tag is a toroidal coil type, the system is susceptible to interference from some items, such as electronic products such as cash registers, metal objects, etc., causing false positives or failures of the system.

 

eas door system


EAS door system electromagnetic wave system uses electromagnetic waves as detection signals. The electromagnetic wave system has the smallest label, the label price is also cheap, and the degaussing can be repeated, but it is susceptible to false alarms due to the influence of magnetic or metallic substances. The width of the protected exit is generally around 0.9 meters. The system does not affect magnetic items. The new generation of channel-type electromagnetic wave system is a software-controlled electronic anti-theft system that uses digital processing technology and degaussing system, cashier monitoring and closed-circuit television monitoring system. The use of a fast degaussing plate enables repeated degaussing and high system cost. Electromagnetic wave systems are available in both vertical and channel types. The application environment is mostly in libraries, bookstores, sound stores, hotels, supermarkets, etc.

 

EAS door system Acoustic magnetic system, the tuning fork only causes resonance when the oscillation frequency is the same. Acoustic magnetic system is the application of this physical principle, to achieve almost zero false positive operation, when the acoustic magnetic system tag fixed on the commodity enters the detection area of the system, it will resonate, but only received four times in the receiver. The alarm is generated after the resonance signal (once every 1/50th of a second). The characteristics of the acousto-magnetic system are high anti-theft detection rate, almost zero false alarm, good anti-interference, and the protection export width can reach 3.5 m. There are two kinds of anti-theft tags, which can protect most types of goods in the mall. And can degaussing repeatedly, even if the system is still working properly next to the POS cash register.


eas door system

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