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How do secure AM sewing labels work?

2025-06-16

Security AM sewing labels are widely used in the textile and clothing industry, especially in the field of anti-theft. AM technology labels ensure the safety of goods through a specific working principle. The following is a detailed explanation of its working principle:


1. Composition of AM labels

Security AM labels are usually composed of a label containing magnetic or electroacoustic elements. Its main parts include:

Magnetic material: AM labels contain magnetic elements inside, usually a special magnet or magnetic sheet.

Sensor: The magnetic element of the AM label can interact with the external sensor system at a specific frequency.


2. Working principle

Security AM sewing labels work by using the acoustic magnetic effect. Specifically, when an AM label is attached to an item, the magnetic element inside it responds to the electromagnetic field and generates an acoustic wave signal. This signal interacts with the door detection system at the entrance of the store to achieve the following effects:

Activation: When the item with the AM label enters a specific magnetic field, the label will resonate under the action of its magnetic field. Usually the frequency of this resonance is the design frequency of the label.

Detection system: The security system at the door of the store will send a frequency range through a sensor to activate the label. Only when the tag is within this range and generates a specific resonance signal can the sensor detect it and sound an alarm.

In this way, the tag can play an anti-theft role, ensuring that the goods cannot be taken out of the store without going through the legal checkout process. If someone tries to take an item with an AM tag out of the store without going through the unlocking or tag removal steps, the security system at the door will sound an alarm to alert the staff.


3. Tag removal

At checkout, store staff will use a special unlocking tool to remove the magnetic or interference mechanism of the AM tag, usually through physical methods or electromagnetic removal technology. Once removed, the tag can no longer generate a resonance signal and therefore will not trigger the store's security system.


4. Application areas

Clothing stores and retail stores: widely used to protect goods from theft.

Warehouses and distribution centers: ensure the safety of inventory goods.

Electronics and small devices: prevent theft of goods.


With this working principle, the security AM sewing label provides an efficient anti-theft protection method that can ensure the safety of goods without affecting the appearance and comfort of the goods.

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