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0 · The Design and Implementation of an Electronic Article
1 · RFID Security Tag System vs. EAS: Wh
2 · Modified EAS Tag Used as a Resistive
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Electronic Article Surveillance (EAS) systems consist of security gates and Radio Frequency .
Electronic article surveillance (EAS) is a type of system used to prevent shoplifting [1] from retail stores, pilferage of books from libraries, or unwanted removal of properties from office buildings. EAS systems typically consist of two components: EAS antennas and EAS tags or labels.Electronic Article Surveillance (EAS) systems consist of security gates and Radio Frequency (RF) labels or tags that are used together to protect retailers from shoplifting. The market for EAS hasRF EAS. There are three parts to the system: the tag itself, the deactivation system, and the exit detection system. This technology dates back to the 1950s, and there are many ways to implement it.
The Design and Implementation of an Electronic Article
This article discusses the manufacturing and characterization of a modified type of RF EAS tag meant to be used as a sensor platform for resistive sensors and that is detectable at two distinctly different frequencies depending on the sensor state. In RF systems sensing is achieved by sweeping around the resonant frequency and detecting the dip. These tags are an LC tank circuit (L for inductor, C for capacitor) with a resonance peak ranging from 1.75 to 9.5 MHz 8.2 MHz .RFID tags contain an antenna that catches incoming radio waves and sends them back to a receiver and a chip that generates a unique code for the tag. Unlike RF tags, RFID tags work best at shorter distances. Common EAS Tag Applications
The primary purpose (and biggest benefit) of an RFID system is to identify a specific product that passes by the antennas. For example, while AM and RF systems only detect that an EAS tag or label just passed through, an RFID system can detect that the tag or label is attached to Levi’s jeans, dark blue, size 34. The basic circuit of a microwave EAS tag or label employs a diode coupled to one microwave and one electrostatic antenna. Early on, Sensormatic manufactured its own diodes and antennas and laminated the circuits to be either inserted into reusable EAS tag housings or affixed directly to apparel with plastic barbs or pins with locks. Radio-frequency (RF) systems: Small flat tags with a LC (Inductor-Capicator) circuit are also used. The LC circuit has a resonance frequency (usually around 8.2 MHz) which modifies the signal sent from the transmitter. A device at checkout destroys the circuit.
In this article, a modified design of an RF Radio Frequency Electronic Article Surveillance (EAS) tag, used as a sensor platform, is manufactured and characterized.
Electronic article surveillance (EAS) is a type of system used to prevent shoplifting [1] from retail stores, pilferage of books from libraries, or unwanted removal of properties from office buildings. EAS systems typically consist of two components: EAS antennas and EAS tags or labels.Electronic Article Surveillance (EAS) systems consist of security gates and Radio Frequency (RF) labels or tags that are used together to protect retailers from shoplifting. The market for EAS hasRF EAS. There are three parts to the system: the tag itself, the deactivation system, and the exit detection system. This technology dates back to the 1950s, and there are many ways to implement it.This article discusses the manufacturing and characterization of a modified type of RF EAS tag meant to be used as a sensor platform for resistive sensors and that is detectable at two distinctly different frequencies depending on the sensor state.
In RF systems sensing is achieved by sweeping around the resonant frequency and detecting the dip. These tags are an LC tank circuit (L for inductor, C for capacitor) with a resonance peak ranging from 1.75 to 9.5 MHz 8.2 MHz .
RFID tags contain an antenna that catches incoming radio waves and sends them back to a receiver and a chip that generates a unique code for the tag. Unlike RF tags, RFID tags work best at shorter distances. Common EAS Tag Applications
The primary purpose (and biggest benefit) of an RFID system is to identify a specific product that passes by the antennas. For example, while AM and RF systems only detect that an EAS tag or label just passed through, an RFID system can detect that the tag or label is attached to Levi’s jeans, dark blue, size 34.
The basic circuit of a microwave EAS tag or label employs a diode coupled to one microwave and one electrostatic antenna. Early on, Sensormatic manufactured its own diodes and antennas and laminated the circuits to be either inserted into reusable EAS tag housings or affixed directly to apparel with plastic barbs or pins with locks. Radio-frequency (RF) systems: Small flat tags with a LC (Inductor-Capicator) circuit are also used. The LC circuit has a resonance frequency (usually around 8.2 MHz) which modifies the signal sent from the transmitter. A device at checkout destroys the circuit.
RFID Security Tag System vs. EAS: Wh
Modified EAS Tag Used as a Resistive
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rf eas tag circuit|Modified EAS Tag Used as a Resistive