WO2012155989A1 - Dispositif antivol et dispositif de déverrouillage pour le dispositif antivol - Google Patents

Dispositif antivol et dispositif de déverrouillage pour le dispositif antivol Download PDF

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Publication number
WO2012155989A1
WO2012155989A1 PCT/EP2011/058207 EP2011058207W WO2012155989A1 WO 2012155989 A1 WO2012155989 A1 WO 2012155989A1 EP 2011058207 W EP2011058207 W EP 2011058207W WO 2012155989 A1 WO2012155989 A1 WO 2012155989A1
Authority
WO
WIPO (PCT)
Prior art keywords
tag
pin
locking member
unlocking
unlocking device
Prior art date
Application number
PCT/EP2011/058207
Other languages
English (en)
Inventor
Leo Hendrik Marie WEUSTEN
Cornelis BRAKBAND
Original Assignee
Sellmore Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sellmore Bv filed Critical Sellmore Bv
Priority to PCT/EP2011/058207 priority Critical patent/WO2012155989A1/fr
Publication of WO2012155989A1 publication Critical patent/WO2012155989A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
    • E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
    • E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
    • E05B73/0047—Unlocking tools; Decouplers
    • E05B73/0052—Unlocking tools; Decouplers of the magnetic type

Definitions

  • the present invention relates to antitheft devices for preventing commodities from being stolen, and. more specifically to antitheft devices comprising a tag for triggering an alarm and a pin for detach bly attaching the tag to the commodity.
  • the present invention further relates to unlocking devices for electronically unlocking antitheft devices.
  • store owners typically tag the commodity allowing an alarm to be triggered when the tag is detected as the commodity leaves the store.
  • the tag is removed, e.g. by a cashier upon payment, the
  • a tag can have a counterpart i the form of a pin on a button.
  • the pin is to be pushed through a commodity such as e.g. clothing and locked within the tag, .
  • the tag can be part of a security container wherein a product is stored.
  • the lid of the security container is provided with a pin that locks within the tag to close the security container.
  • Such security container is typically used when the product to be protected does not allow a pin to be pushed through.
  • Removal of the tag requires special equipment. As this equipment is typically available to personnel of the store, special measures are needed to prevent the personnel from stealing commodities. Moreover, depending on the type of tag, the special, equipment may be relatively easy to obtain enabling illegal removal of the tag by non-personnel .
  • US4722119 relates to a fastening device which, is of one piece construction of a. ferromagnetic material, having in it formed a pair of jaws through which a. fastening pin is inserted and tightly engaged from reverse travel due to the inward bias and angle of the laws, thereby preventing unauthorized removal, Removal of the pin is accomplished when the jaws are spread slightly due to a magnetic force attracting a formed upper end or loop and the resulting motion being transmitted through a riser to integral lever arms which through mechanical advantage flex the base thereby spreading the jaws apart .
  • A. disadvantage of this antitheft device is that a magnet for spreading the jaws and thereby allowing removal of the fastening pin may be
  • US59 2978 An unlocking device is disclosed in US59 2978.
  • US59 2978 relates to a device for removing reusable hard EAS tags from articles of merchandise .
  • the device is controlled so as to operate in response to identification data generated by an RFID element in the hard tag,
  • a transmitter-key device is provided to selectively condition the detaching unit to operate in the absence of the otherwise required identification data.
  • the t ansmitter-key de ice may also be used to turn the
  • detaching unit on and off.
  • Data indicative of the identity of the holder of the transmitter-key device may be stored in the detaching unit or an associated point-of-sale terminal to log detaching transactions authorized by the transmitter-key device.
  • a disadvantage of this unlocking device is that it wireiessly connects to tags, limiting the possibilities of signal and power exchange.
  • unlocking device for unlocking the antitheft device.
  • an antitheft device comprising a tag for triggering an alarm and an attaching member for detachably attaching the tag to a commodity.
  • the attaching member comprises a pin.
  • the locking member comprises a housing having arranged, therein a locking member for locking the pin.
  • the locking member comprises a first pinhole for the pin to foe substantially frictionless inserted through in a first orientation of the locking member.
  • the locking member is rotatably provided inside the housing and arranged to rotate to a second orientation different from the first orientation. In the second orientation the pin is frictionally locked in the first pinhole.
  • an improved antitheft device which advantageously enables the attaching member to be securely attached to the tag.
  • the design of the locking member is such that an attempt to pull the pin out causes the locking member to further rotate and the friction between the pin and the locking member to increase, making it substantially impossible to remove the attaching member from the tag.
  • the antitheft device is immune to external magnetic force, ; . o , . the antitheft device cannot be opened using an external magnetic force .
  • the embodiment of claim 2 advantageously enables the pin to be more securely locked in the tag.
  • the embodiment of claim 3 advantageously enables the pin to be locked immediately upon insertion.
  • the embodiment of claim 4 advantageously enables electronic unlocking without an external magnetic or external kinetic force.
  • no external magnet or external pressure can be used for removing the attaching member from the tag.
  • the embodiment of claim 5 provides an optimum lever of the locking member for both frictionally locking the pin and rotating the locking member to unlock the pin.
  • the embodiment of claim 6 advantageously enables the antitheft device to be implemented without an internal power source. Moreover, only pre-programmed unlocking devices can unlock the antitheft device preventing someone to use a random unlocking device, e.g. from another store or obtained otherwise.
  • the embodiment of claim. 7 advantageously enables unlocking using air pressure, without an external magnetic or external kinetic force.
  • no external magnet or external pressure other than air pressure can be used for removing the attaching member from the tag.
  • the embodiment of claim 8 advantageously enables the antit eft device to be implemented without an interna- 1 power source.
  • only pre-programmed unlocking devices can unlock the antitheft device preventing someone to use a random unlocking ' device f e.g. from another store or obtained otherwise.
  • the embodiment of claim 9 advantageously makes the locking member non-saacnetic, thus increasing tamper resistance to external magnetic forces.
  • the embodiment of claim 10 advantageously enables logging of unlocking attempts in the unlocking device.
  • the embodiment of claim 11 advantageously enables the antitheft device to be used for commodities like clothing, shoes or any other article through which the pin can be pushed,
  • the embodiment of claim 12 advantageously enables the antitheft device to be used for products that do not allow the pin to be pushed through. These products can be placed within the security container.
  • an unlocking ' device for unlocking an attaching member from a sag of an antitheft device having one or more of the above mentioned features.
  • the unlocking device comprises a connector for
  • the unlocking device further comprises an electronic circuit
  • the electronic circuit is further configured to generate a data signal comprising a first data pattern.
  • the electronic circuit is further configured to
  • the electronic circuit is further configured to provide the direct current comprising the modulated data signal to the tag through the connector.
  • the direct current allows the tag to be powered for unlocking the attaching member upon recognition of the first data pattern.
  • the unlocking device enabling the antitheft device to be implemented without internal power source. Moreover, by providing the first data pattern the unlocking device can identify itself enabling only pre ⁇ programmed unlocking devices to unlock the antitheft device and thus preventing someone to use a random unlocking device, e.g. from another store or obtained otherwise.
  • the embodiment of claim 14 advantageously enables logging of unlocking attempts in the unlocking device.
  • the embodiment of claim 15 advantageously enables the identity of the user of the unlocking device to be verified and logged.
  • the external RDID tag is e.g. worn by an employee - e.g. as part of an employee badge - and the RFID indicative of the employee is read by the unlocking device upon activation.
  • a security system comprising an antitheft device and an
  • the antitheft device comprises a tag for triggering an alarm and. an attaching member for detachabiy attaching the tag to a commodity.
  • the attaching member comprises a pin.
  • the tag comprises a housing having arranged therein a locking member for locking the pin.
  • the locking member comprises a first pinhole for the pin to be substantially frictionless inserted through in a first orientation of the locking member.
  • the locking member is rotatablv provided inside the housing and arranged to rotate to a. second orientation different from the first orientation. In the second orientation the pin is
  • the unlocking device is arranged to unlock the attaching member from the tag.
  • a security system is provided with an improved antitheft device and an unlocking device for unlocking the antitheft device.
  • Fig.l schematically shows an antitheft device of an exemplary embodiment of the invention
  • Fig.2 schematically shows an exemplary embodiment of a locking member and a pin in an unlocked position
  • Fig.3 schematically shows an exemplary embodiment of a locking member and a pin in a locked position
  • Fig. shows an exemplary embodiment of a pin being frictionally locked in a locking member
  • Fig.5 shows a locking member and an attaching member of an exemplary embodiment of the invention
  • Fig.6a shows an antitheft device of an exemplary embodiment of the invention
  • Fig .6b shows an antitheft device of another exemplary embodiment of the invention
  • Fig.7 schematically shows a security system comprising an antitheft device, an unlocking device and an external RFID tag of an exemplary embodiment of the invention
  • Fig.8 schematically shows distances between elements of the antitheft device of an exemplary embodiment of the
  • Fig.9 shows an electronic circuit of a tag of an exemplary embodiment of the invention
  • Fig.10 shows an antitheft device applied to a security container of an exemplary embodiment of the inventio .
  • Antitheft devices are used to protect commodities or products from being stolen.
  • An example of an antitheft device is a hard tag that is placed on. a commodity, such as e.g. a piece of clothing or any other commodity through which a pin can be pushed without damage , and that is to be removed by personnel of the store upon payment. Without removing the hard tag an alarm will go off when the tagged commodity leaves the store and the tag is detected by a detector at the exit of the store.
  • Products that cannot be hard tagged, e.g. DVDs or any other product that cannot be hard tagged can be protected by placing the product in a security container which is locked by using an antitheft device. The security container ca be opened by personnel upon payment allowing the product to be taken, out of the store. Without removing the security container an alarm will go off when a tag in the antitheft device is detected by a detector at the exit of the store.
  • the antitheft device of the present invention comprises a pin. that can be locked in a tag by inserting the pin through a pinhole of locking member such as a metal strip and rotating the metal strip to frictionaliy lock the pin in the pinhole. Pulling the pin in an. attempt to remove the pin from the tag results in the tilt of the strip being increases. The resulting higher fractional grip on the pin makes it substantially impossible to remove the pin.
  • the pin can be electronically released by generating a magnetic field between a magnet inside the tag and a coil on one end of the strip f resulting in a rotation of the metal strip such that the frictional grip on the pin
  • the attaching member comprises two separable parts; an attaching member 20 and a tag 10,
  • the attaching member comprises a pin 201 that is to be inserted into the tag 10 where it is frictionaliy locked in a first, pinhole 104 of a locking member 102,
  • the pin 201 is
  • the locking member 102 is typically a rectangula rotatabie metal strip, but any other- form, or material may be used as long as the locking member 102 can be rotated, to frictionaliy lock the pin 201 in the pinhole 104.
  • the strip is made of a stainless steel, such as e.g. a type 316 austenitic chromium-nickel alloy, to make it non-magnetic.
  • the housing 101 of the tag 10 is provided with a second pinhole 103 in line with the pinhole 104.
  • the second pinhole furthermore allows fixing of the pin 201 in a tangent plane to the housing 101 at the second pinhole 103 when the pin 201 is frictionaliy locked in the first pinhole 104, This makes it substantially impossible to move the pin 2G1 to decrease the friction between, the pin 201 and the plate 102.
  • a side view of a locking member 102 in a first orientation and a pin 201 is shown,
  • the pin 201 can be substantially frictionless inserted through the pinhole 104 when, the locking member 102 is in the first, orientation, in this example when, the angle between, the pin 201 and the locking member 102 is substantia ly perpendicular , i.e. substantially 90° .
  • the normal of the locking member 102 is parallel to the pin 201.
  • the dashed arrow in Fig.2 indicates the insertion, direction of the pin 201.
  • the angle a may deviate from 90° up to an angle where the pin gets fractionally locked in the pinhole 104,
  • the locking member 102 is rotatable by rotating the locking member 102 around a pivot 105.
  • Fig.3 which shows a side view of the locking member 102 in a second orientation and. the pin 201
  • the locking member 102 is rotated, in. the direction of the dashed arrow resulting in the angle becoming acute, i.e. smaller than 90°
  • the tilt of the locking member 102 causes the edges of pinhole 104 to come into contact with the pin 201
  • Fig.4 this is visualized by locations ⁇ where the pin 201 makes contact with the edge of the pinhole 104, The resulting friction between the pin 201 and the edge of pinhole 104 locks the pin in the locking member 102.
  • the pin 201 is typically round in cross section and fits in round, pinholes 103 and 104, Pins and pinholes shaped otherwise may alternatively be used, as long as the pin is frictionallv lockable in the locking member 102 by rotating the locking member 102 from a first orientation to a second
  • the antitheit device 1 can be used to protect a variety of commodities and products from being stolen.
  • the shape and form of the housing 101 of the tag 10 and the shape and. form of the attaching member 20 comprising the pin 201 can be adapted to suit the protection of a particular commodity or product. Two examples hereof are presented in Fig, 5 and Fig.10.
  • Fig.5 a 3D view of a. locking member 102 and attaching member 20 are shown.
  • the attaching member in Fig.5 comprises a pin 201 that projects from a button 202.
  • Such attaching member 20 is typically used for attaching the antitheft device 1 to clothing or other commodities through which a pin can be pushed without damaging the commodity.
  • the pivot 105 in Fig.5 is realised as an axis that can be rotatabiy fixed to the housing 101 of the tag 1.
  • the locking member 102 is provided with a spring 106 allowing a spring force in a direction opposite of the insertion direction of the pin 201, The direction, of the spring force is indicated in Fig.5 by the arrow.
  • the force given to the pin 201 when pushing the pin 201 through the pinhole 104 compensates the spring force, allowing the angle a becoming approximately right and thus enabling insertion of the pin 201 through the pinhole 104,
  • the pin 201 gets frictionally locked immediately as the spring makes the locking member 102 tilt resulting in an acute angle a.
  • the locking member 102 gets rotated even further, i.e. the angle becomes even more acute, increasing the frictionai grip and making removal of the pin 201 impossible.
  • the tag 10 and the attaching member 20 can be integrated in a. security container 30, as indicated in Fig.10.
  • a first part 301 of the security container 30 contains the tag 10
  • a second part of the security container 30 contains the attaching member 20,
  • the antitheft device implemented in the security container 30 works in a similar manner as described for the antitheft device with a button and. a pin as attaching member.
  • Fig.6a shows a cross section of a housing 101 wherein the locking member 102 is provided.
  • the locking member 102 is rotatabiy connected to the pivot 105 allowing the locking member 102 to rotate in the directions indicated by the double arrow.
  • the spring 106 is fixed to both the housing 1 and the locking member 102
  • Alternative embodiments are possible wherein the spring 106 is fixed to either the locking member 102 or the housing 101, or wherein the spring is fixed to neither the locking member 102 nor the housing 101 but kept in place by a place holder in between the housing 101 and the locking member 102.
  • the spring 106 can be installed such that it pushes the locking member 102 in a direction making the angle ex acute.
  • a spring is installed on the other side of the locking member 102 such that it pulls the locking inember 102 in a direction making the angle a acute
  • a coil 107 is attached to the locking member 102.
  • the coil 107 may be attached to the locking member 102 in any suitable manner, e.g. by soldering or gluing.
  • a magnet 108 e.g. a neodymium magnet, is fixed, to the housing 101 of the tag 10. By providing a current , the coil 107 can be magnetized resulting in a magnetic force between the magnet 108 and the coil 107 pulling the coil 107 towa ds the magnet 108.
  • the distance d2 between the pinhole 104 and the coil 107 is five times the distance dl between, the pivot 105 and the pinhole 104, as indicated in Fig, 8.
  • the pin 201 can. be frictionaiiy locked in the pinhole 104 while a minimal magne ic force is required for unlocking the pin 201,
  • Fig, 6b shows a cross section of another housing 101 wherein the locking member 102 is provided.
  • the locking member 102 is rotatably connected to the pivot 105 allowing the locking member 102 to rotate in the directions indicated by the double arrow.
  • the spring 106 is fixed to both the housing 1 ana the locking member 102.
  • Alternative embodiments are possible wherein the spring 106 is fixed to either the locking member 102 or the housing 101, or wherein the spring is fixed, to neither the locking member 102 nor the housing 101 but kept in place by a place holder in between the housing 101 and the locking member 102,
  • the spring 106 can be installed such that it pushes the locking member 102 in a direction making the angle acute.
  • a spring is installed on the other side of the locking member 102 such that it pulls the locking member 102 in a direction making the angle a acute.
  • the angle a is to be made approximately right again.
  • a displaceable member 118 is pushed against the locking member 102 by providing air through the air inlet 117 under pressure. As the air pressure in chamber 116 builds up, the displaceable member 118 is pushed down to the locking member 102, When the force from pushing the displaceable member to the locking member 102 exceeds the spring force, the locking member 102 rotates in the direction opposite of the insertion direction and the angle a: becomes approximately right again. It will be understood that in an alternative tag without a spring 106, no spring force is to be overcome and less force is required for rotating the locking member 102.
  • the displaceable member 118 may be locked in the chamber 116 by an electronic lock holding the displaceable member 118 at a fixed position in the chamber 116, even when air rs being provided through the air inlet 117,
  • the electronic lock may be realised in any known manne .
  • the electronic lock is e.g. a. clamp for fractionally keeping the displaceable member 116 at the fixed position until an elec ric current releases the clamp.
  • Another non limiting example is a slider in between the
  • a security system comprising an antitheft device, an unlocking device and an optional external RFID tag 3.
  • the power source is external to the tag 10.
  • the antitheft device 1 shown in Fig.7 is based on the antitheft device 1 shown in Fig.1. Additionally, in Fig.7 the anti theft device 1 is provided with an electronic circuit 109 inside the tag 10 and a connector 110 in the housing 101 of the tag for connecting an unlocking device 2 to the electronic circuit 109.
  • the electronic circuit 109 is connected, to the coil 107 or to the electronic lock to cond.ittonally allow a current through the coil 107 or unlocking the electronic lock.
  • the unlocking device 2 which is typically a handheld device operable by personnel; has a connector 301 that fits on the connector 110.
  • the power source (not shown) of the unlocking device 2 can then be used as a power source for the tag 10.
  • An unlocking device 2 can be a simple handheld device mainly providing a power source to the tag 10. Upon connection of such simple handheld device to the tag ' 10, the coil or electronic lock is powered immediately resulting in the pin 201 to become removable from the locking member 102.
  • the unlocking device 2 and tag 10 are more advanced allowing ' the pin 201 to be removed conditionally.
  • the unlocking device 2 is equipped with an optional RFID receiver 304 for receiving an RFID (Radio Frequency
  • the RFID tag 3 is typically personalized such that the RFID is linked to a person. To operate the unlocking device 2 the person operating the unlocking device 2 has to carry the RFID tag 3 allowing the RFID to be received in the RFID receiver 304. Any known RFID
  • the RFID receiver 304 is coupled to the electronic circuit 302 of the unlocking device 2. Identities of authorized users of the unlocking ' device 2 are stored in a programmable memory 303, which is e.g. implemented as an eeprom or flash memory module on the electronic circuit 302. The received RFID is compared with the identities in the memory 303. Only if the RFID is found, the unlocking device will provide the power to the tag 10 to unlock the pin 201.
  • the RFID is stored in the memory 303 for logging purposes .
  • the tag 10 is optionally harcicoded with a tag-identity *
  • the unlocking device 2 sends a polling signal to the tag ' 10 when being ac ivated, e.g. after receiving a valid RFID as described above or alternatively simply upon powering on.
  • the electronic circuit 302 of the unlocking device 2 transmits the polling signal repetitively for e,g, 5 to 10 seconds.
  • the electronic circuit 109 of the tag 10 receives the polling signal and responds with the tag-identity.
  • the memory 303 is typically pre-programmed with allowable tag- identities. The received tag-identity can then be compared with the stored tag-identities allowing the unlocking device 2 to conditionally provide the power to the tag 10 to enable
  • the unlocking device 2 optionally logs the tag-identity by storing the tag-identity in the memory 303,
  • the unlocking device 2 provides a direct current (DC) of e.g. 3.6 V to the tag 10 through
  • DC direct current
  • a data pattern is modulated onto the DC to be processed by the tag.
  • the data pattern is received by a processor in the electronic circuit 109 of the tag 10, If the data pattern is recognized, the processor enables a current to the coil 107 for unlocking the pin 201.
  • the electronic circuit 109 is connectable to the unlocking device 2 through connector 110.
  • the electronic circuit 109 comprises resistors 113, a capacitor 114 and a zener diode 115, which are dimensioned such that the processor 111 can receive the polling signal from the unlocking device 2 and respond with the response signal containing the tag-identity hardcoded in the processor 111, and that the processor 111 can receive the data pattern modulated onto the 3.6 V DC.
  • processor 111 is programmed to recognize a particular data pattern, If the data pattern is recognized the base of
  • transistor 112 is powered, resulting in a current to flow
  • a similar circuit may be used for powering the electronic lock for unlocking the displaoeabie member and allowing air provided through the air inlet to move the displaceable member.

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  • Burglar Alarm Systems (AREA)

Abstract

L'invention porte sur un dispositif antivol pour empêcher des marchandises d'être volées, sur un dispositif de déverrouillage pour déverrouiller électroniquement le dispositif antivol et sur un système de sécurité comprenant le dispositif antivol et le dispositif de déverrouillage. Le dispositif antivol comprend une broche et une étiquette, la broche étant verrouillée par frottement par rotation d'un élément de verrouillage à partir d'une première orientation jusqu'à une seconde orientation, et la broche étant déverrouillée par rotation de l'élément de verrouillage vers la première orientation.
PCT/EP2011/058207 2011-05-19 2011-05-19 Dispositif antivol et dispositif de déverrouillage pour le dispositif antivol WO2012155989A1 (fr)

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PCT/EP2011/058207 WO2012155989A1 (fr) 2011-05-19 2011-05-19 Dispositif antivol et dispositif de déverrouillage pour le dispositif antivol

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
WO2014130476A1 (fr) * 2013-02-19 2014-08-28 Tyco Fire & Security Gmbh Système d'activation d'élément détacheur d'étiquette de sécurité
JP2018505019A (ja) * 2014-12-29 2018-02-22 インビュー・セキュリティ・プロダクツ・インコーポレイテッドＩｎｖｕｅ Ｓｅｃｕｒｉｔｙ Ｐｒｏｄｕｃｔｓ Ｉｎｃ． 商品ディスプレイセキュリティシステム及び方法
CN107762294A (zh) * 2017-10-31 2018-03-06 思创医惠科技股份有限公司 针锁式防盗标签及与其匹配的磁性开锁器
CN108825006A (zh) * 2018-08-20 2018-11-16 宁波市北仑区和嘉泽电子科技有限公司 一种防盗标签解锁装置
CN110984728A (zh) * 2019-11-22 2020-04-10 徐州龙安电子科技有限公司 一种用于防盗的锁紧机构

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US4000543A (en) * 1975-12-02 1977-01-04 Eaton Corporation Monitor actuating device and reusable fastener therefor
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NL8002034A (nl) * 1980-04-08 1981-11-02 Pieter Hendrik Kuiper En Gerar Werkwijze en inrichting voor het tussen twee aanslagvlakken opsluiten en weer losmaken van een of meer materiaalstroken, meer in het bijzonder voor het aan een kledingstuk aanbrengen van een signaleringsstrook tegen winkeldiefstal.
US4603453A (en) * 1984-03-03 1986-08-05 Kabushiki Kaisha Yokoyama Seimitsu Kousakusho Device for attaching a detectable shoplifting prevention body
US4722119A (en) 1985-04-08 1988-02-02 Green Perry A Anti-theft fastening device
US5942978A (en) 1998-04-24 1999-08-24 Sensormatic Electronics Corporation Wireless transmitter key for EAS tag detacher unit
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Publication number Priority date Publication date Assignee Title
US4000543A (en) * 1975-12-02 1977-01-04 Eaton Corporation Monitor actuating device and reusable fastener therefor
BE849412A (nl) * 1976-12-15 1977-04-01 Bevestigingsinrichting
NL8002034A (nl) * 1980-04-08 1981-11-02 Pieter Hendrik Kuiper En Gerar Werkwijze en inrichting voor het tussen twee aanslagvlakken opsluiten en weer losmaken van een of meer materiaalstroken, meer in het bijzonder voor het aan een kledingstuk aanbrengen van een signaleringsstrook tegen winkeldiefstal.
US4603453A (en) * 1984-03-03 1986-08-05 Kabushiki Kaisha Yokoyama Seimitsu Kousakusho Device for attaching a detectable shoplifting prevention body
US4722119A (en) 1985-04-08 1988-02-02 Green Perry A Anti-theft fastening device
US5942978A (en) 1998-04-24 1999-08-24 Sensormatic Electronics Corporation Wireless transmitter key for EAS tag detacher unit
US20070296545A1 (en) * 2005-12-14 2007-12-27 Checkpoint Systems, Inc. System for management of ubiquitously deployed intelligent locks

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014130476A1 (fr) * 2013-02-19 2014-08-28 Tyco Fire & Security Gmbh Système d'activation d'élément détacheur d'étiquette de sécurité
US9019082B2 (en) 2013-02-19 2015-04-28 Tyco Fire & Security Gmbh Security tag detacher activation system
JP2018505019A (ja) * 2014-12-29 2018-02-22 インビュー・セキュリティ・プロダクツ・インコーポレイテッドＩｎｖｕｅ Ｓｅｃｕｒｉｔｙ Ｐｒｏｄｕｃｔｓ Ｉｎｃ． 商品ディスプレイセキュリティシステム及び方法
CN107762294A (zh) * 2017-10-31 2018-03-06 思创医惠科技股份有限公司 针锁式防盗标签及与其匹配的磁性开锁器
CN108825006A (zh) * 2018-08-20 2018-11-16 宁波市北仑区和嘉泽电子科技有限公司 一种防盗标签解锁装置
CN108825006B (zh) * 2018-08-20 2024-03-08 宁波市北仑区和嘉泽电子科技有限公司 一种防盗标签解锁装置
CN110984728A (zh) * 2019-11-22 2020-04-10 徐州龙安电子科技有限公司 一种用于防盗的锁紧机构

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