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Sticker-type shoplifting-prevention security device

A technology for safety devices and exhibits, which is applied in anti-theft alarms, electric alarms, instruments, etc., and can solve problems such as untimely consumers

Inactive Publication Date: 2006-01-11
DELHI TRANSPORT CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This untimely activation of the alarm annoys consumers and must be avoided

Method used

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  • Sticker-type shoplifting-prevention security device
  • Sticker-type shoplifting-prevention security device
  • Sticker-type shoplifting-prevention security device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] Referring now to Figure 1, a shoe C can be seen with a security device D to prevent theft of the exhibit. This labeling device D is inserted and glued between two layers of the sole S. The thickness of the device D is very small, only a few tenths of a millimeter, so that there is no discomfort when it is in the sole, and it is also imperceptible.

[0030] Of course, other products than shoes can be equipped in the same way, such as books or clothes.

[0031] As shown in FIG. 2, the device D consists of a flexible flat substrate 1, for example a square with sides of a few centimeters, in particular about 5 cm. The substrate is preferably composed of multiple layers of plastic and a flexible film of aluminum. The device D comprises an inductor 2 formed of several aluminum flat conductors arranged between two layers of plastic along the outer edges of a square or rectangle parallel to the sides of the label. The device D also comprises a capacitor 3 having flat plates ...

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PUM

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Abstract

A shoplifting-prevention security device includes a flexible flat substrate ( 1 ) having an inductor ( 2 ) and a capacitor ( 3 ) which form a resonant circuit, the plates of the capacitor being separated by a layer of dielectric material. Moreover, at least one zone (A) of the material can be used to establish a short circuit between the plates in order to deactivate the device. In addition, at least one face of the above-mentioned substrate is provided with a rigid part (B) having a contour (Bc) which surrounds the zone(s) (A) provided for the purpose of deactivation.

Description

technical field [0001] The present invention relates to a tag-type security device for preventing the theft of exhibits, the security device comprising a flat flexible substrate including an inductor and a capacitor forming a resonant circuit, the plates of the capacitor being made of a dielectric material The layers are separated, and at least one region is provided in the layer of dielectric material capable of establishing a short circuit between the plates and rendering the device inoperative. Background technique [0002] Such security devices are usually in the form of very thin, eg square or rectangular tags, of the order of a few tenths of a millimeter thick. Integrate this bendable security device invisible to the naked eye into a product or item on display for sale. [0003] In particular, a safety device of this type is used as a safety device against theft of footwear, and the safety device is inserted between two layers of the sole. [0004] Before the safety ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B13/24
CPCG08B13/242G08B13/2437G08B13/2445
Inventor 利昂内尔·普拉帕特里斯·库潘
Owner DELHI TRANSPORT CORPORATION
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