CN207425057U - The acoustic magnetic anti-theft label and version mark, label that can not be activated again after deactivation - Google Patents
The acoustic magnetic anti-theft label and version mark, label that can not be activated again after deactivation Download PDFInfo
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- CN207425057U CN207425057U CN201721359809.9U CN201721359809U CN207425057U CN 207425057 U CN207425057 U CN 207425057U CN 201721359809 U CN201721359809 U CN 201721359809U CN 207425057 U CN207425057 U CN 207425057U
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Abstract
The utility model discloses the acoustic magnetic anti-theft labels and version mark, label that can not be activated again after a kind of deactivation.The acoustic magnetic anti-theft label includes box body and box cover, at least a piece of resonance plate is equipped in the cavity of the box body, magnetized magnetic bias piece is equipped on the outside of the box cover, be additionally provided on the outside of the acoustic magnetic anti-theft label it is unmagnetized prevent activation structure, it is described that activation structure is prevented to be made of half-hard magnetic material.The acoustic magnetic anti-theft label of the utility model cannot be activated again after deactivation, effectively the sound magnetic burglary-resisting system in market is avoided to generate false alarm due to the secondary activating of deactivated acoustic magnetic anti-theft label, avoided since label " pollution " causes possible legal dispute.
Description
Technical field
The utility model is related to can not swash again after a kind of commercial anti-theft protection alarm more particularly to a kind of deactivation
Acoustic magnetic anti-theft label living and with its manufactured version mark and label.
Background technology
Sound magnetic technology is widely used in electronic article surveillance anti-theft device and had for tens years, records U.S. of original invention
State patent US4510489, disclose some amorphous alloy material strips because with very high magnetic-elastic coupling coefficient so as to
Strong resonance signal is sent, and these materials are applied successfully to business burglary-resisting system using the principle（Sound magnetic system）, it is such as big
The burglary-resisting system of type supermarket.Sound magnetic system mainly includes detector, decoder and verifier, anti-theft audio magnetic target etc., now business
Upper widely used detector is the Ultramax detectors manufactured by Tyco/Sensormatic companies of the U.S..The detector
58 kHz impulse waves can be emitted, for exciting not decoding in search coverage（Activated state）Anti-theft audio magnetic target make it 58
KHz resonates and generates very strong signal and be detected coil and received, and alarm is triggered after signal amplification analysis.Decoding is exactly will
Bias slice demagnetization in anti-theft audio magnetic target and resonant frequency is removed into detection frequency range window to significantly reduce resonance signal simultaneously strong
Degree, without triggering alarm.Anti-theft audio magnetic target can be divided into two kinds：The hard target of anti-theft audio magnetic and anti-theft audio magnetic label（Hereinafter referred to as sound
Magnetic label）.The former uses amorphous ribbon as resonance plate, using permanent-magnet material（Such as permanent-magnet ferrite）It is such as bias slice
Antitheft target cannot decode, and can only be reused inside shop, pay the antitheft hard target on the commodity of money, be by opening machinery
The method that pin locking device removes antitheft target allows commodity to leave shop without triggering doorway alarm；The latter（The conventional antitheft mark of sound magnetic
Label）Also using amorphous ribbon as resonance plate, using " semi-hard magnet " material as biasing element, this kind of audio magnetic label can solve repeatedly
Code and activation.Audio magnetic label on the commodity of money has been paid by allowing business with AC demagnetization field decoded method of demagnetizing on decoder
Product leave shop without triggering doorway alarm.
Conventional acoustic magnetic anti-theft label includes a long and narrow plastic box body（Resonant cavity）And box cover, box cover from top to bottom according to
It is secondary by sealable films, bias slice and double faced adhesive tape be formed by stacking, a piece of or a piece of Yi Shang size and box body are placed in the cavity of box body
The resonance plate being overlapped mutually to match, wherein bias slice are parallelogram or the parallelogram of beveling.Bias slice is by magnetic
A normal work field strength is generated after change（Such as about 4-6 Oe）So that the resonant frequency of acoustic magnetic anti-theft label at this time（Such as
57.5-58.5 kHz）It can detected by detector.And after bias slice is demagnetized, the resonant frequency of audio magnetic label rises to
59.0 more than kHz so that detector can not detect deactivated audio magnetic label.But in actual application, to improve
Anti-theft effect, some audio magnetic labels are prevented stealer from removing label inside permanent implantation articles of price, such as footwear, bag, electricity
Sub- product etc..By built-in label deactivation when these commodity are sold, the label being deactivated usually still remains in nothing in commodity
Method is taken out.But what these commodity had during use may encounter magnetic field, it is not intended to middle will to deactivate in the label that lives through
The bias slice to have demagnetized remagnetize so that deactivated audio magnetic label is activated again, when having sold business with these
When the customers of product come into various markets, it can trigger and cause to judge by accident in the alarm of the widely used sound magnetic burglary-resisting system in market, tie
Fruit causes disagreement even legal dispute.This phenomenon is known as the " dirty of " sound magnetic burglary-resisting system " widely used to global retail business
Dye ".It there is no effective reliable solution at present.
The content of the invention
The utility model to solve the above-mentioned problems, provides the antitheft mark of sound magnetic that can not be activated again after a kind of deactivation
Label, cannot be activated again after deactivation, effectively avoid the sound magnetic burglary-resisting system in market secondary because of acoustic magnetic anti-theft label
It activates and generates false alarm.
The utility model additionally provides a kind of version mark made of above-mentioned acoustic magnetic anti-theft label, label.
The acoustic magnetic anti-theft label that can not be activated again after the deactivation of the utility model, including box body and box cover, the box
At least a piece of resonance plate is equipped in the cavity of body, is equipped with magnetized magnetic bias piece on the outside of the box cover, the sound magnetic is antitheft
Be additionally provided on the outside of label it is unmagnetized prevent activation structure, it is described that activation structure is prevented to be made of half-hard magnetic material.
In the technical program, acoustic magnetic anti-theft label generation one in use, magnetic bias piece has been magnetized in activated state
Work normally field strength（Such as about 4-6 Oe）So that the resonant frequency of acoustic magnetic anti-theft label at this time（Such as 57.5-58.5 kHz）
It can detected by detector.But it prevents activation structure to be not yet magnetized.After being deactivated to acoustic magnetic anti-theft label（I.e. to magnetism
After bias slice degaussing）, the resonant frequency of acoustic magnetic anti-theft label risen to outside the detection frequency range of detector, and detector will be unable to again
Detect the label.
When the acoustic magnetic anti-theft label after above-mentioned deactivation encounters D.C. magnetic field again, if magnetic bias piece is by basic magnetic
Change, then prevent activation structure while also by equidirectional magnetization, due to being prevented activation structure from being influenced by magnetized, at this moment bias slice
With preventing activation structure is superimposed the bias-field generated can be more stronger than original normal work field strength, cause acoustic magnetic anti-theft label frequency
The resonant frequency that can be detected when cannot return activation by detector（57.5-58.5 kHz）.
Another goes the permanent activation mode to be：After market cashier's counter customer payment, the utility model label will be carried
Kinds of goods directly magnetized with DC fields, this bias slice of label and can will prevent activation structure from magnetizing so that the label can not be again
It is activated.
Therefore, the acoustic magnetic anti-theft label of the utility model will not activate again after deactivation, the antitheft system of sound magnetic in market
System will not be because of the secondary activating of acoustic magnetic anti-theft label（" pollution "）And generate false alarm.
Preferably, described prevent activation structure from preventing activation piece including at least a piece of.
Preferably, described prevent activation structure to be located at below magnetic bias piece, the magnetic bias piece is activated with preventing
One layer of first double faced adhesive tape is equipped between structure, for first sticking double faced adhesive tape on box cover, the magnetic bias piece is located at box cover
It is described that activation structure is prevented to be pasted onto on the first double faced adhesive tape between the first double faced adhesive tape.
Preferably, described prevent from being also covered with one layer of second double faced adhesive tape on the outside of activation structure.
Preferably, described prevent activation structure from preventing activation silk including at least one.Activation structure is prevented to be arranged on box
External side.
Preferably, the box cover is sealable films, sealable films make it be in sealing state with box body sealing-in.
Preferably, the magnetic bias piece is made of half-hard magnetic material.
Preferably, described prevent activation structure to be made of half-hard magnetic material of the coercivity by 20-150 Oe.Kinking repeatedly
Substantially label frequency is not changed.
Version mark made of the above-mentioned acoustic magnetic anti-theft label of use of the utility model, several acoustic magnetic anti-theft label close-packed arrays
Version mark is formed at grade.
Preferably, the acoustic magnetic anti-theft label quantity that each version is put on is 12-200.
Label made of the above-mentioned acoustic magnetic anti-theft label of use of the utility model, several acoustic magnetic anti-theft labels are parallel to each other
And vertically with the length direction of tail band is supported to form label.
Preferably, the acoustic magnetic anti-theft label quantity on each label is 500-8000.
The beneficial effects of the utility model are：The acoustic magnetic anti-theft label of the utility model cannot be swashed again after deactivation
Living, the sound magnetic burglary-resisting system in market will not generate false alarm due to the secondary activating of acoustic magnetic anti-theft label, avoid due to label
" pollution " causes possible legal dispute.
Description of the drawings
Fig. 1 is a kind of structure diagram of embodiment 1；
Fig. 2 is the structure diagram that activation structure is prevented in embodiment 2；
Fig. 3 is a kind of structure diagram of embodiment 3.
In figure：1st, box body, 2, box cover, 3, resonance plate, 4, magnetic bias piece, 5, prevent activation piece, the 6, first double faced adhesive tape, 7,
Second double faced adhesive tape, 8, prevent activation silk.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：The acoustic magnetic anti-theft label that can not be activated again after the deactivation of the present embodiment, as shown in Figure 1, including box
Body 1 and box cover 2, box cover 2 are sealable films, and sealable films make it be in sealing state, three are equipped in the cavity of box body 1 with 1 sealing-in of box body
Piece resonance plate 3,2 outside of box cover are equipped with magnetized magnetic bias piece 4, and magnetic bias piece 4 is made of half-hard magnetic material, box cover 2
Outside be additionally provided with it is unmagnetized prevent activation structure, prevent activation structure include it is a piece of prevent activation piece 5, prevent activation piece 5 by
Half-hard magnetic material is made, and prevents that activation structure is located at the lower section of magnetic bias piece 4, magnetic bias piece 4 and prevents between activation structure
Equipped with one layer of first double faced adhesive tape 6, the first double faced adhesive tape 6 is pasted onto on box cover 2, and magnetic bias piece 4 is located at 2 and first double faced adhesive tape of box cover
Between 6, activation structure is prevented to be pasted onto on the first double faced adhesive tape 6, prevent from being also covered with one layer of second double faced adhesive tape on the outside of activation structure
7。
Acoustic magnetic anti-theft label prevents that activation structure is unmagnetized, at this time the antitheft mark of sound magnetic in use, magnetic bias piece has magnetized
The resonant frequency of label is 57.8 kHz, can be detected by detector.After being deactivated to acoustic magnetic anti-theft label（I.e. to magnetic bias
After piece degaussing）, the resonant frequency of acoustic magnetic anti-theft label rises to 59.9 kHz so that detector can not detect deactivated sound
Magnetic anti-theft label（General detection frequency range window is 57.5-58.5 kHz）.
When the present embodiment acoustic magnetic anti-theft label after deactivation close to one piece of surface field more than 1000Oe magnet after,
The resonant frequency that label can be detected when not returning to activation by detector, at this time the resonant frequency of acoustic magnetic anti-theft label be
59.5 kHz, the detection window higher than 57.5-58.5kHz, so being detected never again by detector.As a comparison, it is conventional
Audio magnetic label be without preventing the label of activation structure from becoming activated state after this is magnet magnetized and can be detected.
Therefore, the acoustic magnetic anti-theft label of the utility model will not activate again after deactivation, the antitheft system of sound magnetic in market
System will not generate false alarm due to the secondary activating of acoustic magnetic anti-theft label.
Be made magnetic bias piece 4 with prevent activation structure half-hard magnetic material coercivity H can as：（The present embodiment is excellent
Choosing implements Hc=65Oe）, label does not change frequency substantially after kinking 500 times repeatedly.
In this example, prevent that the size that activation piece 5 is implemented is respectively 0.06mmX6mmX25mm and 0.1mmX3mmX36mm, effect
Fruit is identical.
Version mark made of the above-mentioned acoustic magnetic anti-theft label of use of the present embodiment, several acoustic magnetic anti-theft labels are arranged closely in
Version mark is formed on same plane.Such as it is 48 every edition and 108 respectively that this example, which implements two kinds of version marks,.
Label made of the above-mentioned acoustic magnetic anti-theft label of use of the present embodiment, several acoustic magnetic anti-theft labels are parallel to each other simultaneously
Vertically with the length direction of tail band is supported to form label.Such as it is every volume 500 and 8000 respectively that this example, which implements two labels,
Piece.
Embodiment 2：The acoustic magnetic anti-theft label that can not be activated again after the deactivation of the present embodiment is equipped in the cavity of box body
Two panels resonance plate as shown in Fig. 2, preventing activation structure from including two panels and preventing activation piece 5, prevents activation piece 5 by half-hard magnetic material
It is made, prevents activation piece 5（0.18mmX4.5mmX15mm）Be respectively adhered on the front side of the first double faced adhesive tape 6, rear side, remaining structure with
Embodiment 1 is identical.
Version mark made of the above-mentioned acoustic magnetic anti-theft label of use of the present embodiment, several acoustic magnetic anti-theft labels are arranged closely in
Version mark is formed on same plane.Such as it is 12 every edition and 200 respectively that this example, which implements two kinds of version marks,.
Label made of the above-mentioned acoustic magnetic anti-theft label of use of the present embodiment, several acoustic magnetic anti-theft labels are parallel to each other simultaneously
Vertically with the length direction of tail band is supported to form label.Such as it is every volume 1700 and 8500 respectively that this example, which implements two labels,
Piece.
Embodiment 3：The acoustic magnetic anti-theft label that can not be activated again after the deactivation of the present embodiment, as shown in figure 3, including box
Body 1 and box cover 2, box cover 2 are sealable films, and sealable films make it be in sealing state, three are equipped in the cavity of box body 1 with 1 sealing-in of box body
Piece resonance plate 3,2 outside of box cover are equipped with magnetized magnetic bias piece 4, and magnetic bias piece 4 is made of half-hard magnetic material, box body 1
Outside be additionally provided with it is unmagnetized prevent activation structure, prevent activation structure include one prevent activation silk 8, prevent activation silk 8 by
Half-hard magnetic material is made.4 outer side covers of magnetic bias piece have one layer of first double faced adhesive tape 6, and activation silk 8 is prevented to be fixed on resonance with glue
Outside box body.
Acoustic magnetic anti-theft label prevents that activation structure is unmagnetized, at this time the antitheft mark of sound magnetic in use, magnetic bias piece has magnetized
The resonant frequency of label is 58.2 kHz, can be detected by detector.
After this example acoustic magnetic anti-theft label is alongst added a D.C. magnetic field more than 200 Oe, this label is total to
Vibration frequency drops to 56.8 kHz, the detection window less than 57.5-58.5kHz.So after this anti-activating method, detector without
Method detects the utility model label again.As a comparison, conventional audio magnetic label is i.e. without preventing the label of activation structure from passing through
It crosses after this dc magnetization and becomes activated state and can be detected.
Magnetic bias piece 4 is made and prevents that the half-hard magnetic material coercivity H of activation structure can be different：（The present embodiment
The Oe of bias slice Hc=20 is preferably implemented, prevents the Oe of the semi-hard magnet silk material Hc of activation structure=150）, the present embodiment employs directly
The silk material of footpath 0.8mm long 40mm and diameter 1.3mm long 35mm, effect are identical.By label after label repeatedly kinking 500 times substantially not
Change frequency.
Version mark made of the above-mentioned acoustic magnetic anti-theft label of use of the present embodiment, several acoustic magnetic anti-theft labels are arranged closely in
Version mark is formed on same plane.Such as it is 12 every edition and 200 respectively that this example, which implements two kinds of version marks,.
Label made of the above-mentioned acoustic magnetic anti-theft label of use of the present embodiment, several acoustic magnetic anti-theft labels are parallel to each other simultaneously
Vertically with the length direction of tail band is supported to form label.Such as it is every volume 1700 and 8500 respectively that this example, which implements two labels,
Piece.
It is to be understood that listed embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.This
Utility model only illustrates two kinds of embodiments of the utility model with above-described embodiment.For the affiliated technology of the utility model
For the those of ordinary skill in field, without departing from the concept of the premise utility, make it is several it is simple deduction or replace
It changes, such as adds at least one acoustic magnetic anti-theft label for preventing activation structure and any side on conventional tags periphery in any way
Formula makes its dc magnetization the method for its permanent deactivation should all be considered as belonging to claims that the utility model is submitted
Definite scope of patent protection.
Claims (12)
1. a kind of acoustic magnetic anti-theft label that can not be activated again after deactivation, including box body（1）And box cover（2）, the box body（1）
Cavity in be equipped at least a piece of resonance plate（3）, the box cover（2）Outside is equipped with magnetized magnetic bias piece（4）, feature
Be, be additionally provided on the outside of the acoustic magnetic anti-theft label it is unmagnetized prevent activation structure, it is described to prevent activation structure by semi-hard magnet
Material is made.
2. the acoustic magnetic anti-theft label that can not be activated again after deactivation according to claim 1, which is characterized in that described anti-
Only activation structure prevents activation piece including at least a piece of（5）.
3. the acoustic magnetic anti-theft label that can not be activated again after deactivation according to claim 2, which is characterized in that described anti-
Only activation structure is located at magnetic bias piece（4）Lower section, the magnetic bias piece（4）With preventing from being equipped between activation structure one layer the
One double faced adhesive tape（6）, first double faced adhesive tape（6）It is pasted onto box cover（2）On, the magnetic bias piece（4）Positioned at box cover（2）With
One double faced adhesive tape（6）Between, it is described that activation structure is prevented to be pasted onto the first double faced adhesive tape（6）On.
4. the acoustic magnetic anti-theft label that can not be activated again after deactivation according to claim 3, which is characterized in that described anti-
Only one layer of second double faced adhesive tape is also covered on the outside of activation structure（7）.
5. the acoustic magnetic anti-theft label that can not be activated again after deactivation according to claim 1, which is characterized in that described anti-
Only activation structure prevents activation silk including at least one（8）.
6. the acoustic magnetic anti-theft label that can not be activated again after the deactivation according to claim 1 or 2 or 3 or 4 or 5, special
Sign is, the box cover（2）For sealable films, sealable films and box body（1）Sealing-in makes it be in sealing state.
7. the acoustic magnetic anti-theft label that can not be activated again after the deactivation according to claim 1 or 2 or 3 or 4 or 5, special
Sign is, the magnetic bias piece（4）It is made of half-hard magnetic material.
8. the acoustic magnetic anti-theft label that can not be activated again after the deactivation according to claim 1 or 2 or 3 or 4 or 5, special
Sign is, described that activation structure is prevented to be made of half-hard magnetic material of the coercivity by 20-150 Oe.
It is 9. a kind of using version mark made of acoustic magnetic anti-theft label described in claim 1, which is characterized in that several sound magnetic are antitheft
Label close-packed arrays form version mark at grade.
10. a kind of edition mark according to claim 9, which is characterized in that the acoustic magnetic anti-theft label quantity that each version is put on is
12-200.
It is 11. a kind of using label made of acoustic magnetic anti-theft label described in claim 1, which is characterized in that several sound magnetic are prevented
Robber's label is parallel to each other and vertically with the length direction of tail band is supported to form label.
12. a kind of label according to claim 11, which is characterized in that each the acoustic magnetic anti-theft label quantity on label is
500-8000.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359809.9U CN207425057U (en) | 2017-10-20 | 2017-10-20 | The acoustic magnetic anti-theft label and version mark, label that can not be activated again after deactivation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359809.9U CN207425057U (en) | 2017-10-20 | 2017-10-20 | The acoustic magnetic anti-theft label and version mark, label that can not be activated again after deactivation |
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| CN207425057U true CN207425057U (en) | 2018-05-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845223A (en) * | 2017-10-20 | 2018-03-27 | 宁波讯强电子科技有限公司 | The acoustic magnetic anti-theft label and permanent deactivation method that can not be activated again after deactivation |
-
2017
- 2017-10-20 CN CN201721359809.9U patent/CN207425057U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845223A (en) * | 2017-10-20 | 2018-03-27 | 宁波讯强电子科技有限公司 | The acoustic magnetic anti-theft label and permanent deactivation method that can not be activated again after deactivation |
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