CN107845223A - The acoustic magnetic anti-theft label and permanent deactivation method that can not be activated again after deactivation - Google Patents
The acoustic magnetic anti-theft label and permanent deactivation method that can not be activated again after deactivation Download PDFInfo
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- CN107845223A CN107845223A CN201710987489.XA CN201710987489A CN107845223A CN 107845223 A CN107845223 A CN 107845223A CN 201710987489 A CN201710987489 A CN 201710987489A CN 107845223 A CN107845223 A CN 107845223A
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- label
- magnetic
- theft
- theft label
- acoustic
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- 230000009849 deactivation Effects 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000004913 activation Effects 0.000 claims abstract description 48
- 230000003213 activating effect Effects 0.000 claims abstract description 13
- 239000000696 magnetic material Substances 0.000 claims abstract description 13
- 239000002390 adhesive tape Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003491 array Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
- G08B13/2422—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using acoustic or microwave tags
- G08B13/2425—Tag deactivation
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2428—Tag details
- G08B13/2434—Tag housing and attachment details
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses the acoustic magnetic anti-theft label that can not be activated again after a kind of deactivation and permanent deactivation method.The acoustic magnetic anti-theft label includes box body and lid, at least a piece of resonance plate is provided with the cavity of the box body, be provided with magnetized magnetic bias piece on the outside of the lid, the acoustic magnetic anti-theft label outside be additionally provided with it is unmagnetized prevent activation structure, it is described to prevent activation structure to be made up of half-hard magnetic material.The acoustic magnetic anti-theft label of the present invention can not be activated again after deactivation, effectively avoided the sound magnetic burglary-resisting system in market from producing false alarm because of the secondary activating of the acoustic magnetic anti-theft label deactivated, avoided because label " pollution " causes possible legal dispute.
Description
Technical field
The present invention relates to a kind of commercial anti-theft protection alarm, more particularly to can not be activated again after a kind of deactivation
Acoustic magnetic anti-theft label and with its manufactured version mark and label and to its permanent deactivation method.
Background technology
Sound magnetic technology is widely used in electronic article surveillance anti-theft device existing 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 launched, for exciting not decoding in search coverage（Activated state）Anti-theft audio magnetic target make it 58
KHz is resonated and produces 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 strong simultaneously
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 can not 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, commodity are allowed to leave shop without triggering doorway alarm；The latter（The conventional antitheft mark of sound magnetic
Label）Also can be solved repeatedly as biasing element, this kind of audio magnetic label using " semi-hard magnet " material as resonance plate using amorphous ribbon
Code and activation.Audio magnetic label on the commodity of money has been paid by allowing business with the demagnetize method of decoding of AC demagnetization field 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 lid, lid 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 above 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 produced after change（Such as about 4-6 Oe）So that the now resonant frequency of acoustic magnetic anti-theft label（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 the audio magnetic label of deactivation.But in the application of reality, 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 generally 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 to deactivate in the label that lives through
The bias slice to have demagnetized remagnetize so that the audio magnetic label deactivated 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 referred to as the " dirty of " sound magnetic burglary-resisting system " widely used to global retail business
Dye ".Effective reliable solution is there is no at present.
The content of the invention
The present invention is in order to solve the above problems, there is provided the acoustic magnetic anti-theft label that can not be activated again after a kind of deactivation,
It can not be activated again after deactivation, effectively avoid the sound magnetic burglary-resisting system in market because of the secondary activating of acoustic magnetic anti-theft label
And produce false alarm.
Present invention also offers a kind of version mark, label made of above-mentioned acoustic magnetic anti-theft label.
Present invention also offers it is a kind of above-mentioned acoustic magnetic anti-theft label is directly magnetized after can not reactivation permanent deactivation
Method.
The acoustic magnetic anti-theft label that can not be activated again after the deactivation of the present invention, including box body and lid, the box body
At least a piece of resonance plate is provided with cavity, magnetized magnetic bias piece, the acoustic magnetic anti-theft label are provided with the outside of the lid
Outside be additionally provided with it is unmagnetized prevent activation structure, it is described to prevent activation structure to be made up 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
Normal work field strength（Such as about 4-6 Oe）So that the now resonant frequency of acoustic magnetic anti-theft label（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 magnetic
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 influenceed by magnetized, at this moment bias slice
With prevent activation structure be superimposed caused by bias-field 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 can not return activation by detector（57.5-58.5 kHz）.
Another goes the permanent activation mode to be：After market cashier's counter customer payment, by the goods with label of the present invention
Product are directly magnetized with DC fields, and this bias slice of label and can will prevent activation structure from magnetizing so that the label can not be swashed again
It is living.
Therefore, acoustic magnetic anti-theft label of the invention will not activate again after deactivation, and the sound magnetic burglary-resisting system in market is not
Can be because of the secondary activating of acoustic magnetic anti-theft label（" pollution "）And produce false alarm.
Preferably, described prevent activation structure from preventing from activating piece including at least a piece of.
Preferably, described prevent activation structure to be located at below magnetic bias piece, the magnetic bias piece activates with preventing
One layer of first double faced adhesive tape is provided between structure, for first sticking double faced adhesive tape on lid, the magnetic bias piece is located at lid
It is described to prevent activation structure 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 from activating silk including at least one.Activation structure is prevented to be arranged on box
External side.
Preferably, the lid is sealable films, sealable films make it be in sealing state with box body sealing-in.
Preferably, the magnetic bias piece is made up of half-hard magnetic material.
Preferably, described prevent activation structure to be made up 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 present invention, several acoustic magnetic anti-theft labels are arranged closely in together
Version mark is formed in one plane.
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 present invention, several acoustic magnetic anti-theft labels are parallel to each other and hang down
Directly with supporting the length direction of tail band to form label.
Preferably, the acoustic magnetic anti-theft label quantity that each version is put on is 500-8000.
The present invention to above-mentioned acoustic magnetic anti-theft label permanent deactivation method, including：By acoustic magnetic anti-theft label exposed to big
In 200 Oe D.C. magnetic field, remove afterwards.
The present invention to above-mentioned acoustic magnetic anti-theft label permanent deactivation method, including：By acoustic magnetic anti-theft label exposed to big
In 1000 Oe D.C. magnetic field, remove afterwards.
The acoustic magnetic anti-theft label after above-mentioned permanent deactivation method permanent deactivation of the present invention, the permanent deactivation
Its resonant frequency is basically unchanged acoustic magnetic anti-theft label afterwards after kinking 500 times repeatedly.
The acoustic magnetic anti-theft label after above-mentioned permanent deactivation method permanent deactivation of the present invention, the permanent deactivation
The resonant frequency of acoustic magnetic anti-theft label afterwards is more than 59.0 kHz or less than 57.0 kHz.
The beneficial effects of the invention are as follows：The acoustic magnetic anti-theft label of the present invention can not be activated again after deactivation, market
Sound magnetic burglary-resisting system false alarm will not be produced because of the secondary activating of acoustic magnetic anti-theft label, avoid because label " pollution " is led
Cause possible legal dispute.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment 1；
Fig. 2 is the structural representation that activation structure is prevented in embodiment 2；
Fig. 3 is a kind of structural representation of embodiment 3.
In figure：1st, box body, 2, lid, 3, resonance plate, 4, magnetic bias piece, 5, prevent from activating piece, the 6, first double faced adhesive tape, 7,
Second double faced adhesive tape, 8, prevent activate silk.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
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 lid 2, lid 2 are sealable films, and sealable films make it be in sealing state, three are provided with the cavity of box body 1 with the sealing-in of box body 1
Piece resonance plate 3, the outside of lid 2 are provided with magnetized magnetic bias piece 4, and magnetic bias piece 4 is made up of half-hard magnetic material, lid 2
Outside be additionally provided with it is unmagnetized prevent activation structure, prevent activation structure include it is a piece of prevent activate piece 5, prevent activate 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
Provided with one layer of first double faced adhesive tape 6, the first double faced adhesive tape 6 is pasted onto on lid 2, and magnetic bias piece 4 is located at the double faced adhesive tape of lid 2 and first
Between 6, prevent activation structure 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, now 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 the sound of deactivation
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, now 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 to be changed into activated state after this is magnet magnetized and can be detected.
Therefore, acoustic magnetic anti-theft label of the invention will not activate again after deactivation, and the sound magnetic burglary-resisting system in market is not
False alarm can be produced because of 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 it is respectively 0.06mmX6mmX25mm and 0.1mmX3mmX36mm to activate the size that piece 5 is implemented, 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 supporting the length direction of tail band to form label.Such as it is every volume 500 and 8000 respectively that this example, which implements two labels,
Piece.
The present embodiment to above-mentioned acoustic magnetic anti-theft label permanent deactivation method, including：Acoustic magnetic anti-theft label is exposed to
In D.C. magnetic field more than 200 Oe, remove afterwards.
The acoustic magnetic anti-theft label after above-mentioned permanent deactivation method permanent deactivation of the present embodiment, this is forever deactivated
Its resonant frequency is basically unchanged after kinking 500 times repeatedly for acoustic magnetic anti-theft label after work.
The acoustic magnetic anti-theft label after above-mentioned permanent deactivation method permanent deactivation of the present embodiment, this is forever deactivated
The resonant frequency of acoustic magnetic anti-theft label after work is more than 59.0 kHz or less than 57.0 kHz.
Embodiment 2：The acoustic magnetic anti-theft label that can not be activated again after the deactivation of the present embodiment, it is provided with the cavity of box body
Two panels resonance plate, as shown in Fig. 2 preventing activation structure from including two panels and preventing from activating piece 5, prevent from activating piece 5 by half-hard magnetic material
It is made, prevents from activating 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 supporting the length direction of tail band to form label.Such as it is every volume 1700 and 8500 respectively that this example, which implements two labels,
Piece.
The present embodiment to above-mentioned acoustic magnetic anti-theft label permanent deactivation method, including：Acoustic magnetic anti-theft label is exposed to
In D.C. magnetic field more than 200 Oe, remove afterwards.
The acoustic magnetic anti-theft label after above-mentioned permanent deactivation method permanent deactivation of the present embodiment, this is forever deactivated
Its resonant frequency is basically unchanged after kinking 500 times repeatedly for acoustic magnetic anti-theft label after work.
The acoustic magnetic anti-theft label after above-mentioned permanent deactivation method permanent deactivation of the present embodiment, this is forever deactivated
The resonant frequency of acoustic magnetic anti-theft label after work is more than 59.0 kHz or less than 57.0 kHz.
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 lid 2, lid 2 are sealable films, and sealable films make it be in sealing state, three are provided with the cavity of box body 1 with the sealing-in of box body 1
Piece resonance plate 3, the outside of lid 2 are provided with magnetized magnetic bias piece 4, and magnetic bias piece 4 is made up 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 activate silk 8, prevent activate silk 8 by
Half-hard magnetic material is made.The outer side covers of magnetic bias piece 4 have one layer of first double faced adhesive tape 6, prevent that activate silk 8 is fixed on altogether with glue
Vibration Box is external.
Acoustic magnetic anti-theft label prevents that activation structure is unmagnetized, now 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 into 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 label of the present invention again.As a comparison, conventional audio magnetic label is without the label process sheet for preventing activation structure
Being changed into activated state after dc magnetization can be detected.
Magnetic bias piece 4 is made and prevents that the half-hard magnetic material coercivity H of activation structure can be with different：（The present embodiment
The Oe of bias slice Hc=20 has been preferable to carry out, has prevented the Oe of the semi-hard magnet silk material Hc of activation structure=150）, the present embodiment employs directly
The long 35mm of footpath 0.8mm long 40mm and diameter 1.3mm silk material, 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 supporting the length direction of tail band to form label.Such as it is every volume 1700 and 8500 respectively that this example, which implements two labels,
Piece.
The present embodiment to above-mentioned acoustic magnetic anti-theft label permanent deactivation method, including：Acoustic magnetic anti-theft label is exposed to
In D.C. magnetic field more than 200 Oe, remove afterwards.
The acoustic magnetic anti-theft label after above-mentioned permanent deactivation method permanent deactivation of the present embodiment, this is forever deactivated
Its resonant frequency is basically unchanged after kinking 500 times repeatedly for acoustic magnetic anti-theft label after work.
The acoustic magnetic anti-theft label after above-mentioned permanent deactivation method permanent deactivation of the present embodiment, this is forever deactivated
The resonant frequency of acoustic magnetic anti-theft label after work is more than 59.0 kHz or less than 57.0 kHz.
Embodiment 4：The sound magnetic of the present invention to the activated state described in embodiment 1 or embodiment 2 or embodiment 3 of the present embodiment
Anti-theft tag permanent deactivation method, including：The acoustic magnetic anti-theft label of the present invention of activated state is exposed to straight more than 1000 Oe
Flow in magnetic field, remove afterwards.
The acoustic magnetic anti-theft label after the above-mentioned direct permanent deactivation of permanent deactivation method of the present embodiment, this is permanent
Its resonant frequency is basically unchanged after kinking 500 times repeatedly for acoustic magnetic anti-theft label after deactivation.
The acoustic magnetic anti-theft label after above-mentioned permanent deactivation method permanent deactivation of the present embodiment, this is forever deactivated
The resonant frequency of acoustic magnetic anti-theft label after work is more than 59.0 kHz or less than 57.0 kHz.
Embodiment 5：The acoustic magnetic anti-theft label of the present invention of activated state described in embodiment 1 or embodiment 2 or embodiment 3
The general audio magnetic label deactivator of in the market can be used to deactivate, the resonant frequency of label is more than 59.0 kHz after deactivation.
It is not intended to later or magnetization label can not all activates label again intentionally.After magnetization as embodiment 4, kinking label is not yet repeatedly
It can be activated.
It should be understood that listed embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.The present invention only with
Above-described embodiment illustrates two kinds of embodiments of the present invention.Come for general technical staff of the technical field of the invention
Say, without departing from the inventive concept of the premise, some simple deduction or replace made, such as in any way in conventional mark
Label periphery prevents the acoustic magnetic anti-theft label of activation structure and any mode from it is forever gone its dc magnetization plus at least one
The method of activation should all be considered as belonging to the scope of patent protection that claims that the present invention is submitted determine.
Claims (16)
1. the acoustic magnetic anti-theft label that can not be activated again after a kind of deactivation, including box body（1）And lid（2）, the box body（1）
Cavity in be provided with least a piece of resonance plate（3）, the lid（2）Outside is provided with magnetized magnetic bias piece（4）, its feature
Be, be additionally provided with 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, it is characterised in that described anti-
Only activation structure prevents from activating 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, it is characterised 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 provided between activation structure one layer the
One double faced adhesive tape（6）, first double faced adhesive tape（6）It is pasted onto lid（2）On, the magnetic bias piece（4）Positioned at lid（2）With
One double faced adhesive tape（6）Between, it is described to prevent activation structure 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, it is characterised in that described anti-
Only one layer of second double faced adhesive tape is also covered with 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, it is characterised in that described anti-
Only activation structure prevents from activating 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, it is special
Sign is, the lid（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, it is special
Sign is, the magnetic bias piece（4）It is made up 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, it is special
Sign is, described to prevent activation structure to be made up of half-hard magnetic material of the coercivity by 20-150 Oe.
9. version mark made of a kind of acoustic magnetic anti-theft label using described in claim 1, it is characterised in that several sound magnetic are antitheft
Label close-packed arrays form version mark at grade.
10. a kind of version mark according to claim 9, it is characterised in that the acoustic magnetic anti-theft label quantity that each version is put on is
12-200.
11. label made of a kind of acoustic magnetic anti-theft label using described in claim 1, it is characterised in that several sound magnetic are prevented
Robber's label is parallel to each other and vertically with supporting the length direction of tail band to form label.
12. a kind of label according to claim 11, it is characterised in that the acoustic magnetic anti-theft label quantity that each version is put on is
500-8000.
A kind of 13. acoustic magnetic anti-theft label permanent deactivation method to described in claim 1, it is characterised in that including：By sound magnetic
Anti-theft tag is exposed in the D.C. magnetic field more than 200 Oe, is removed afterwards.
A kind of 14. acoustic magnetic anti-theft label permanent deactivation method to described in claim 1, it is characterised in that including：By sound magnetic
Anti-theft tag is exposed in the D.C. magnetic field more than 1000 Oe, is removed afterwards.
A kind of 15. sound of claim 1 after the permanent deactivation method permanent deactivation described in claim 13 or 14
Magnetic anti-theft label, it is characterised in that acoustic magnetic anti-theft label after the permanent deactivation its resonant frequency base after kinking 500 times repeatedly
This is constant.
A kind of 16. sound of claim 1 after the permanent deactivation method permanent deactivation described in claim 13 or 14
Magnetic anti-theft label, it is characterised in that the resonant frequency of the acoustic magnetic anti-theft label after the permanent deactivation be more than 59.0 kHz or
Less than 57.0 kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987489.XA CN107845223A (en) | 2017-10-20 | 2017-10-20 | The acoustic magnetic anti-theft label and permanent deactivation method that can not be activated again after deactivation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987489.XA CN107845223A (en) | 2017-10-20 | 2017-10-20 | The acoustic magnetic anti-theft label and permanent deactivation method that can not be activated again after deactivation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107845223A true CN107845223A (en) | 2018-03-27 |
Family
ID=61662660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710987489.XA Pending CN107845223A (en) | 2017-10-20 | 2017-10-20 | The acoustic magnetic anti-theft label and permanent deactivation method that can not be activated again after deactivation |
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| Country | Link |
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| CN (1) | CN107845223A (en) |
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| CN113480826A (en) * | 2021-07-13 | 2021-10-08 | 宁波讯强电子科技有限公司 | Acoustic magnetic or radio frequency anti-theft hard tag, hard tag shell and preparation method thereof |
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