EAS Tag Deactivation via Electromagnetic Field for Retail Security
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Solution Overview
Problem
Current product security devices in retail settings face challenges in efficiency and security, particularly in removing reusable security tags without triggering alarms, which can lead to delays and potential theft due to reliance on magnetic keys that can be stolen or misused.
Innovation Solution
A security device with local alarming anti-tamper features and deactivation capabilities, using an EAS tag and tamper detection circuitry that can be deactivated via a deactivator field, allowing for efficient removal and reuse without requiring specialized keys, and featuring a conductive strip for secure attachment and tamper detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If magnetic key-based locking mechanism is used for security devices, then device complexity is reduced, but security reliability deteriorates due to key fabrication and theft risks
Solution Approach 1:
The patent replaces the magnetic key-based mechanical locking system with an electromagnetic field-based deactivation system. The security device uses an EAS tag that can be deactivated by a deactivator, eliminating the need for physical keys and magnetic locking mechanisms. This substitution of mechanical systems with electromagnetic fields resolves the contradiction by maintaining simplicity while enhancing security against key fabrication and theft.
2Reliability
If reusable security devices require key application for removal, then security reliability is maintained, but productivity deteriorates due to increased removal time and queue delays
Solution Approach 1:
The patent eliminates the mechanical key application process by using electromagnetic field-based deactivation. The deactivator can be applied quickly at the POS to deactivate the EAS tag, allowing for rapid removal of security devices without the time-consuming key application process. This maintains security reliability while significantly improving productivity and reducing queue delays.
3Productivity
If disposable security devices are used, then productivity is improved by eliminating removal processes, but loss of substance increases due to single-use consumption
Solution Approach 1:
The patent enables reusable security devices through the deactivation process. The EAS tag can be deactivated at the POS and then reused on different products, eliminating the need for disposable devices. This recovering and reusing approach maintains the productivity benefits of quick removal while eliminating the waste associated with disposable security devices.
4Ease of operation
If magnetic keys are used for security device removal, then ease of operation is maintained, but object-generated harmful factors increase due to key theft and unauthorized removal
Solution Approach 1:
The patent replaces the magnetic key system with an electromagnetic field-based deactivation system that requires authorized use at the POS. The deactivator can be operated easily by authorized personnel to deactivate EAS tags, maintaining ease of operation while eliminating the harmful factors of key theft and unauthorized removal associated with magnetic keys.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances the efficiency of point-of-sale operations by allowing seamless deactivation and removal of security devices, reducing queuing times and improving customer experience while providing additional security layers beyond traditional magnetic key-based systems.
Implementation Method 1
an EAS tag and tamper detection circuitry that can be deactivated via a deactivator field
Implementation Method 2
featuring a conductive strip for secure attachment and tamper detection
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A security device is provided that includes an electronic article surveillance tag that may be configured to resonate to provide a wireless response signal to a deactivator to trigger generation of a deactivation field. Further, the security device may include tamper detection circuitry which may include a tamper sensor configured to generate a tamper signal in response to detecting a tamper event, a deactivation sensor configured to generate a deactivation signal in response to detecting the deactivation field, and a sounder. In this regard, the tamper detection circuitry may be configured to deactivate the tamper detection circuitry in response to receiving the deactivation signal from the deactivation sensor such that receipt of the tamper signal after deactivation of the tamper detection circuitry does not trigger the sounder to emit the alarm.