CN1743140A - Electric tool with anti-theft device, cord and assembly - Google Patents
Electric tool with anti-theft device, cord and assembly Download PDFInfo
- Publication number
- CN1743140A CN1743140A CN 200510067785 CN200510067785A CN1743140A CN 1743140 A CN1743140 A CN 1743140A CN 200510067785 CN200510067785 CN 200510067785 CN 200510067785 A CN200510067785 A CN 200510067785A CN 1743140 A CN1743140 A CN 1743140A
- Authority
- CN
- China
- Prior art keywords
- theft device
- goods
- strap
- cavity
- electronic products
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Images
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
On one hand, the invention relates to an electric tool including a casing and a motor, wherein, the casing is provided with a theftproof device. On the other hand, the invention relates to a ropeband including a theftproof device. The invention also relates to an electric product with a cavity which is provided with a theftproof device.
Description
Technical field
The present invention relates to a kind ofly comprise the electric tool of anti-theft device and be used for stoping electric tool or the stolen method of similar articles.
The present invention relates to comprise the electronic products of anti-theft device and be used to prevent the method that electronic products is stolen and the anti-theft device that is used to prevent link together with electronic products under by the effect of the magnetic field that motor produced of these goods or electromagnetic field and the method that lost efficacy.
Background technology
Resembling safety label or the such anti-theft device of electronic products surveillance is used for stock control and can be used for preventing moving goods from a control zone without permission.Generally speaking, these systems comprise emitter and the receiver that is used to set up surveillance zone, and transmitter and receiver must with the goods lateral cross that is just moving apart from above-mentioned control zone.Transmit and receive that antenna generally is installed in ground, wall and the ceiling or exist with the form of free-standing pylon antenna.
Anti-theft device, for example safety label can be fixed on the goods, and above-mentioned safety label comprises a sensor, and this sensor is suitable for just being transmitted into signal interaction in the surveillance zone by system transmitter with one.Also do not lose efficacy as the safety label on the fruit product, and the goods of being done mark are just by monitoring that band betransported that then safety label just serves as a responder and generation can be received the feedback signal that device is discerned.Like this, this receiver will produce an audible chimes of doom, as starts other safeguard measure.
The safety label of some type is designed to disposable version, and generally can not be moved to the selling spot.Therefore, safety label must lose efficacy before will removing from the safety zone with the goods of safety label.The operation of losing efficacy is finished by the device of electromagnetic property that can change safety label or magnetic property, and safety label just can not be detected in monitor area more like this.In addition, such safety label may cover the important information that prints on the goods packing, but also may make its profile not attractive in appearance.And this label also may be distorted by consumer or other individuals who moves these devices without permission.
A solution of this problem provide a kind of can reusable safety label, and this label comprises and is used for label is fixed to detachable attaching parts on the goods.This attaching parts also are designed to only can be by the version that disassemble with special tool(s) or separator through the personnel that permit.The embodiment of safety label is at US4221025; Open in 4299870 and 5426419.
But the effectiveness of safety label and other anti-theft device also can be subjected to being present in the adverse effect in the magnetic field in the surrounding environment.These magnetic fields may reduce the detected possibility of the detected device of safety label, perhaps may make said apparatus invalid fully, therefore, make it completely lose the ability that above-mentioned detection device is activated fully.The result is to need a kind of method that stops goods stolen that reduces by the effectiveness that prevents these anti-theft devices.
The trial of the prior art that solves the problems referred to above comprises: a safety label is housed in a cylinder or the dimeric cylinder, wherein these two parts are fastened togather, thereby form a permanent mechanical seal, rather than directly safety label is linked on the goods main body that comprises motor around power line.But this trial method has brought up a kind of label of highly significant, and seems very heavy on applying it to goods the time.And safety label is set has by this way increased manufacturing cost, but also can be to the function or attractive in appearance not the making contributions of product.
Therefore, just need provide a kind of can be by preventing the device that electronic products is stolen in the functional part that anti-theft device is not installed to boldly goods.Also need to provide a kind of method to stop electronic products stolen and prevent that the anti-theft device that links together with these goods lost efficacy simultaneously, wherein losing efficacy is owing to be exposed to by causing in the magnetic field that motor produced of goods or the electromagnetic field.
Summary of the invention
One aspect of the present invention aims to provide a kind of electric tool that comprises housing, motor and anti-theft device.Anti-theft device is installed to has such advantage in the electric tool: under the prerequisite that use of electric tool is not impacted, reduce the aesthetic effect that the impaired possibility of anti-theft device also improves this instrument packing.
Another aspect of the present invention aims to provide a kind of stolen method of product (particularly comprising the product of a motor as electric tool) that prevents.This method comprises: anti-theft device is placed on product inside, and making in magnetic field and the electromagnetic field after it render a service to reduce owing to being exposed to, activates this device again.For activating this device, product can pass magnetic field with the anti-theft device with suitable polarity.Can be wrapped up so have the product of the anti-theft device that is activated again,, and needn't worry that anti-theft device is inoperative or get start detection equipment in case of necessity so that provide and deliver.After product was purchased, when the consumer left the shop, anti-theft device became invalid, so just can prevent the startup of checkout gear.
In one embodiment, method of the present invention is included in and verifies with a receiver whether this device is suitably started after anti-theft device activates again.This receiver can be installed on the pedestal or pillar that is arranged in the assembly line, and its frequency is best and the frequency dependence connection of anti-theft device.Preferably, this frequency about 45 and about 70kHz between, preferably about 58 and about 60kHz between.
One aspect of the present invention relates to a kind of strap that contains anti-theft device.Anti-theft device is linked together as the part of the strap of electronic products (as electric tool) or with its strap; the advantage of doing like this is: (a) reduce the possibility of intervening anti-theft device; (b) aesthetic property of enhancing external packing; (c) MIN reduction is in the risk that lost efficacy in the magnetic field that motor produces in the goods owing to anti-theft device; (d) cut down cost in design anti-theft device need be engaged into the goods housing; (e) provide a simple and easy and cheap method; this method is used to make the proving program (for example, 3 level verification programs under the upgrading defence program) that any goods that are bundled in together can be required with many retail units to be complementary.Strap of the present invention not only can be antitheft, but also can be by between transportation and storage life rope being limited the function that improves product.
In one embodiment, strap of the present invention comprises: a belt, this belt have a part of being made by hook-loop formula fastener material; The anti-theft device that can respond to magnetic field; And clip.This clip also can be used for holding anti-theft device.
Another aspect of the present invention is to provide a kind of electronic products such as stolen method of electric tool of stoping.This method comprises: an anti-theft device is linked on the strap and this strap is centered around on the rope that links to each other with goods.Then, these goods can be able to be put into a package, anti-theft device is positioned to make anti-theft device and be arranged on the maximum position of distance between the motor of goods inside, to reduce the danger that anti-theft device lost efficacy owing to the running of motor.
In one embodiment, method of the present invention comprises the step that anti-theft device and strap is linked together by following operation: anti-theft device is put in the clip, then will with an end link on the clip, then the other end with band inserts in the slit that is arranged on the clip, thereby form a ring, above-mentioned rope was inserted ring, and held an end of band, so that this band is fastened on the rope.This method also can be taken off belt according to opposite order from the rope of goods, so just can be connected on the rope of another goods.
The method that another aspect of the present invention is to provide a kind of influence that is used to prevent magnetic field that the goods owing to translator produce or electromagnetic field that anti-theft device was lost efficacy.This method comprises: anti-theft device is put on the strap, strap is fixed on the goods, and goods are put in the package, anti-theft device is positioned at the distance between anti-theft device and the goods motor internal is reached on the position of maximum.
One aspect of the present invention is to provide a kind of electronic products, and it comprises a cavity, an anti-theft device that is placed on this cavity inside, a capping that is installed in the cavity top.This cavity preferred orientation one away from the assembly of the motor of electronic products on and covered by provisional or nonvolatil viscosity sign.By this way anti-theft device is installed to and has following advantage in the part of electronic products (a for example electric tool): (a) reduce the impaired possibility of anti-theft device, (b) aesthetic property of enhancing external packing, (c) MIN reduction is in the risk that lost efficacy in the magnetic field that motor produces in the goods owing to anti-theft device, (d) under the situation of not dismantling goods, allow to remove anti-theft device, (e) provide a simple and easy and cheap method, this method can make the electronic products of any band strap (for example meet the required proving program of many retail units, requirement is arranged on anti-theft device in three inches the upc bar code), and need not that design one enough large spaces hold anti-theft device (cavity can be arranged on the lower face of goods just) in goods.Electronic products of the present invention not only can be antitheft, but also can by allow with anti-theft device be placed on upc bar code near improve the efficient of retail units, so just can when the point of sale is located bar code scanned, make the anti-theft device inefficacy.
Another aspect of the present invention is to provide a kind of electronic products such as stolen method of electric tool of stoping.This method comprises: the cavity that anti-theft device insertion one is positioned at electronic products, one capping is covered on this cavity, above-mentioned cavity can be arranged on the assembly away from the motor of electronic products, so just can reduce the possibility that causes the anti-theft device inefficacy owing to the running of motor.Preferably, this cavity is covered by viscosity sign, and this sign for example can be the sign that includes security information, brand message or bar code information.
Another aspect of the present invention is to provide a kind of electronic products that prevents owing to the magnetic field of the electronic products generation that comprises motor or the method that electromagnetic field effect lost efficacy down.This method comprises the cavity of anti-theft device being put into an electronic products, and for example available adhesive label covers this cavity simultaneously.This cavity is preferably disposed on the assembly away from motor.
Description of drawings
Fig. 1 shows the one embodiment of the present of invention that exist with the electric tool form, and this electric tool comprises a motor and at least one handle.One anti-theft device is fixedly installed in the handle.
Fig. 2 is the schematic diagram of method embodiment of the present invention.This flow chart shows one and make the method that the anti-theft device under magnetic field or the electromagnetic field effect activates again that is exposed in the manufacturing of the goods that have anti-theft device and experimentation subsequently.
Fig. 3 shows one embodiment of the present of invention, wherein anti-theft device be installed in one with clip that strap is connected in.
The strap that Fig. 4 shows among Fig. 1 is tightened up at its lax end, so that the state of its other end after being fixed on the rope.
Fig. 5 shows the state of strap after its lax end is wound onto on the coil shape rope of electric tool among Fig. 2.
Strap and electric tool that Fig. 6 shows among Fig. 3 are mounted into the interior situation of a housing.
Fig. 7 shows one embodiment of the present of invention, and wherein anti-theft device is contained in the cavity that identifies the back and be arranged in a plastics group body of electric tool.
Fig. 8 shows embodiment shown in Figure 1 and is partly removed at label, thus the state will be installed in anti-theft device in the cavity and expose the time.
Fig. 9 shows an alternative embodiment of the invention, and wherein anti-theft device is installed in the cavity that is arranged in the electric tool handle, and is covered by a sign.
Figure 10 shows an alternative embodiment of the invention, and in this embodiment, anti-theft device is installed in the cavity in the chain brake of a chain saw, and this cavity is positioned at away from motor but very near on the position that bar code on the packaging is set.
The specific embodiment
The invention provides a kind of electric tool 1, this instrument includes: 3, one of housing is arranged on the motor 4 in the housing 3, and an anti-theft device 2 that is arranged in the local housing.Electric tool 1 is expressed as a router in the drawings, but it also can be any electric tool with housing and motor.At electric tool between 1 erecting stage, anti-theft device 2 is arranged on the correct position in the housing 4.For example, as shown in Figure 1, electric tool 1 is provided with a handle 5, and an anti-theft device 2 is installed in this handle.Anti-theft device 2 can be fixed to housing 4 inside in any suitable, known mode.For example, anti-theft device 2 can have the surface of a band bonding agent, and bonding agent can adhere to anti-theft device 2 on the required part of housing 4 securely.
One type of anti-theft device 2 is exactly safety label, it contains Magnetic Sensor parts, these parts comprise an electromagnetic and mechanical formula active element, and this element can produce mechanical oscillation, thereby to produce the signal that can be detected under the frequency of the request signal that adds at one.Another kind of safety label comprises a magnetic sensing element, and these parts comprise a soft magnetism active element, and this element can produce a detectable signal under the resonance of a request signal that adds.In these two kinds of labels, magnetic sensor element also comprises a hard or semi-stiff bias element.By changing the magnetic state of this bias element, just make the active element of label maybe can not produce detectable signal, thereby activate or do not activate above-mentioned label.
In an electromagnetism-mechanical type label, bias element produces magnetic to activate described label along its long length direction under the permanent magnet effect.By producing magnetic force, described label was lost efficacy along the demagnetization of bias element length or along its short width dimensions.In a resonant, when bias element during by demagnetization, described label will be activated.By magnetizing on the length direction of growing along bias element, described label can lose efficacy again.Demagnetization can activate this label again again on bias element length.Can buy in the SENSORMATIC ELECTRONICS CORPORATION company that is positioned at Fla. Berkeley village with the suitable anti-theft device that the form of safety label exists.
After the assembly work of electric tool 1 is finished, to carry out quality assurance test to instrument 1 usually.At these duration of test, instrument 1 is in running order following, will produce magnetic field or electromagnetic field like this.These can reduce the effectiveness of the anti-theft device 2 in the instrument of being arranged on 1 or anti-theft device 2 was lost efficacy.In case anti-theft device 2 lost efficacy, it can not detect by detected device, therefore also just can not carry out the function that prevents that goods are stolen again.
Therefore, the present invention also provides a kind of method, this method be used for making the anti-theft device that is installed in goods owing to be exposed to fully make in the magnetic field its render a service descend or destroyed fully after, it is activated again.This exposure is that the electromagnetic field that the magnetic field that produced by the permanent magnet that is arranged in the motor or winding motor produce causes.Method of the present invention relates to by making the anti-theft device with suitable polarity pass a magnetic field with the goods that have anti-theft device, thereby offsets any deexcitation or make anti-theft device render a service the factor that reduces.This method can make said apparatus can rework again.
In one embodiment of the invention, described method comprises a receiver, and whether this receiver can correctly turn round with the verification anti-theft device.This receiver can be launched voice signal or other signal.This receiver can be installed on a base or the pillar and can be placed in the place, end of assembly line.The frequency of receiver is preferably about 45 to about 70kHz.Under situation about being more preferably, the frequency of receiver is about 58 to about 60kHz.
In another embodiment, method of the present invention comprises final step: goods are wired up, to be used for dispensing.After antitheft goods were activated again, if desired, the operability of anti-theft device can be verified by receiver.Like this, goods can being placed on also provides and delivers in the suitable containers gives consumer, whole seller and/or retailer.After the goods that comprise anti-theft device were purchased, the personnel through approval can make anti-theft device no longer work.
(deexcitation device) general the using of losing efficacy can produce enough strong magnetic field so that the ineffective coil of anti-theft device.The deexcitation device no longer responds the projectile energy of electronic products surveillance, therefore can not trigger alarm switch.The example of deexcitation device is in U.S. Patent No. 6,084, sets forth to some extent in 514.
Referring now to Fig. 2, there is shown the block diagram of an embodiment of the present invention's method.In this embodiment, anti-theft device 2 is arranged in goods such as electric tool 1, the just expression in process 10 of these goods.Like this, anti-theft device 2 just is exposed in magnetic field or the electromagnetic field, and above-mentioned magnetic field is to produce by the motor in the operation goods during quality guarantee experiment or other step 20.This in magnetic field or electromagnetic field exposure or make anti-theft device 2 ineffective fully, perhaps reduced the effect of anti-theft device 2.In order to activate anti-theft device 2 again, the goods that have anti-theft device 2 pass from magnetic field with the anti-theft device 2 with suitable polarity 30.Like this, this activates step again and has just made goods that include the anti-theft device 2 of efficient and operability.In order to verify the validity of anti-theft device 2, goods are by receiver 40.In case the validity of anti-theft device 2 is verified, so just the goods that comprise anti-theft device 2 can be wired up, to carry out dispensing step 50.After goods were sold the consumer, anti-theft device 2 was just ineffective, so just can prevent that checkout gear 60 from starting.
One embodiment of the present of invention comprise: one has the strap 10 that is arranged on the anti-theft device 20 in the clip 30, as shown in Figure 3.Clip preferably is made of plastics, but also can be with any other suitable material.Anti-theft device 20 can be located in the clip 30, perhaps also can be connected on the clip 30 in any suitable, known mode.For example, anti-theft device 20 can have a surface that comprises bonding agent and adheres to securely on the required part of clip 30 to allow anti-theft device 20.In the embodiment shown in fig. 3, anti-theft device 20 is fixed in the cavity 25 of the clip 30 that is suitable for receiving above-mentioned anti-theft device 20.
Alternatively, anti-theft device 20 can hold or be connected in any position of strap 10.For example, anti-theft device 20 can be hidden in the strap 10, wherein seals by it being placed between two bands and with bonding agent or other fixed parts above-mentioned band being fixed on anti-theft device 20 to realize on every side.Anti-theft device 20 also can directly be fixed on the strap 10 or be contained in the housing and also be fixed in any suitable manner on the strap 10.
One type of anti-theft device 20 is safety label, it comprises Magnetic Sensor parts, these parts have an electromagnetic and mechanical formula active element, and this element can produce the machinery swing, so just can produce a detectable signal under the frequency of a request signal that adds.The another kind of type of safety label comprises the Magnetic Sensor parts that have a soft magnetism active element, and wherein above-mentioned active element can produce a detectable signal under the resonance of the frequency of the above-mentioned request signal that adds.In above-mentioned two types label, magnetic sensor element also can comprise the bias element of a hard or semi-rigid.By changing the magnetic state of this bias element, the active element of label can or can not produce detectable signal, therefore can activate or the described label of deexcitation.
In an electromagnetism-mechanical type label, bias element is magnetized along the long length direction of this element under the effect of a permanent magnet.By making it magnetize this dual mode to the bias element demagnetization or along its short width, make described label by deexcitation along its length.In a resonant, when bias element during by demagnetization, described label will be activated.By magnetizing along the long length direction of bias element, described label is again by deexcitation.Bias element is implemented demagnetization along its length, activate described label again.Can buy in the SENSORMATIC ELECTRONICS CORPORATION company that is positioned at Fla. Berkeley village with the suitable anti-theft device that the form of safety label occurs.
In the embodiment shown in fig. 3, clip 30 includes: a slit 40, therefrom inserted with 50 first end 90; A bottom 60, second end 95 with 50 is fixed on this bottom 60.First end 90 is connected on the end piece 85, and wherein this end piece plays and prevents with the effect from slit 40 landings of 50 first end 90.With after being fixed to 50 second end 95 on the bottom 60 of clip 30 and will inserting slit 40 in the clip 30 with 50 first end 90, will form a ring 70, power line 80 can be from this ring interpolation mistake, as shown in Figure 4.
The strap 10 that Fig. 4 illustrates among Fig. 1 is tightened up with the situation after ring 70 being fixed on the rope 80 at first end 90 with 50.La Jin result is that anti-theft device 20 is fixedly installed between clip 30 and the electric wire 80 and by being with 50 to keep putting in place like this.Setting also helps anti-theft device 20 is hidden in the funtion part like this.
Though be with 50 usefulness clips 30 to be connected on the rope 80 in this embodiment, also can be with other any known connection means.For example, between the top hinged joint that can be by rope being placed on band and the bottom hinged joint of band and with the method that rivet is secured together hinged joint band is connected to rope and goes up (as US patent No.5031282), can be by electric wire is surrounded with can self hook-loop formula crooked backward and that fix tightening up material (as parts disclosed among the US patent No.5802676 and that sell with trade mark VELCRO), also can insert in the slit or opening (as US patent No.5802676) that is arranged in the band by restricting, perhaps by using flexible strip around restricting and using fastener, button, the button hoop, suture, frenulum, bonding agent, screw, bolt, bail, hook or analog with described material be fixed to rope around.In addition, can be used as a rope processed shaping of integral part of 80 with 50, therefore can be by eliminating without permission will with 50 and anti-theft device 20 improve the anti-destructive of strap 10 from 80 possibilities that disassemble of restricting.
Referring now to Fig. 5, there is shown as shown in Figure 4 strap 10 be wound onto with 50 first end 90 electric tool 15 coil on the rope 80 after state.In the figure, the instrument 15 of starting building is expressed as a skin grinder, but it also can be any electric tool or other goods that have rope.Then, just electric tool 15 and the rope 80 that is subjected to belt 10 constraints can be packaged in the casing 75, as shown in Figure 6, be used for dispensing to retailer, whole seller and/or consumer.
After the assembling of electronic products such as electric tool is finished, to do quality assurance test to product usually.At these duration of test, goods are under the operating condition, will produce magnetic field or electromagnetic field like this.These may reduce the effect that is installed in the anti-theft device in the goods or make anti-theft device ineffective fully.In case anti-theft device is ineffective, it just can not detect by detected again device so, therefore will no longer bring into play the function that prevents that goods are stolen.
Therefore, the present invention aims to provide a kind of method that is used to prevent this inefficacy, and this method comprises electronic products is wired up, and anti-theft device is positioned at can make anti-theft device and is installed in distance between the motor in the goods to reach on the maximum position.This method is the degree of exposure of anti-theft device in any magnetic field and minimizes, and wherein above-mentioned magnetic field is to be generated by the electromagnetic field that the permanent-magnetic field of motor internal generates or winding motor produces.
Another aspect of the present invention provides a kind of be used to prevent electronic products such as the stolen method of electric tool.This method comprises: be connected to anti-theft device on one strap or be installed to anti-theft device in one strap and described strap is enclosed in around the rope of goods.Described strap can be fixed on around the rope by any known suitable method.For example, this strap can be fixed on by first fabric that has prominent hook around the rope, wherein first fabric cooperatively interacts (as disclosed among the U.S. patent No.5802676) with second fabric that has the ring that is suitable for holding above-mentioned hook, in addition, can also be disclosed) by being arranged in an opening (as U.S. patent No.6523229) of inserting on the another part that is positioned at band with snap-fastener or other protrusions of a side, perhaps can use buckle, button, the button hoop, suture, frenulum, bonding agent, screw, bolt, bail, hook or analog are fixed and put in place.
In one embodiment, this method comprises: be connected on the described strap in the clip by anti-theft device is put into, one end of described strap is connected on the described clip, the other end of band was inserted a slit in the clip to form a ring, described rope was inserted described ring, with the end tension of rope, strap is fixed to around the described rope.This method can be untied strap according to opposite order from the described rope of goods, so just it can be linked on the rope of another goods.
In another embodiment, this method comprises last step: described electronic products is wired up, give consumer, whole seller and/or retailer with dispensing.This embodiment comprises in the following manner being the anti-theft device location: make the distance between the motor of anti-theft device and goods inside reach maximum, like this, just can reduce anti-theft device and be exposed to possibility in magnetic field or the electromagnetic field, wherein said magnetic field for example can be that motor produces at the quality guarantee duration of test.
After the goods that have anti-theft device are purchased, just can be through the personnel of permission with the anti-theft device deexcitation.Thereby the general employing of deexcitation device can make the ineffective coil of anti-theft device by the magnetic field of excitation generation sufficient intensity.This deexcitation device can be not again respond to the projectile energy of electronic products surveillance, and therefore, alarm can not be triggered.The example of deexcitation device is existing the elaboration in U.S. Patent No. 6084514.
One embodiment of the present of invention comprise an anti-theft device 14, and this anti-theft device is arranged in the cavity 16, and this cavity is positioned at the parts 10 of electric tool, and these parts 10 are plastic components preferably.In one embodiment, anti-theft device 14 is positioned at cavity 16 fully.Cavity 16 can cover with sign 12, shown in Fig. 7 and 8.The parts 10 that accommodate anti-theft device 14 are positioned on the position away from the motor 20 of electric tool 28, as shown in Figures 9 and 10.Anti-theft device 14 can loosely be located in the cavity 16 or in any known mode and be fixed therein.For example anti-theft device 14 can be provided with a surface that comprises bonding agent, adheres to securely on the inner surface of cavity 16 to allow anti-theft device 14.As a kind of selection, anti-theft device 14 can be fixed on the outer surface of an assembly of goods or be fixed in the packing of product or be fixed in the packing of product.
A kind of anti-theft device 14 is safety labels, and it comprises a magnetic sensing element, and these parts have an electromagnetic and mechanical formula active element, and this element can produce the machinery swing, so just can produce a detectable signal under the frequency of a request signal that adds.The another kind of type of safety label comprises the Magnetic Sensor parts that have a soft magnetism active element, and wherein above-mentioned active element can produce a detectable signal under the resonance of the frequency of the above-mentioned request signal that adds.In above-mentioned two types label, magnetic sensor element also can comprise a hard or semi-stiff bias element.By changing the magnetic state of this bias element, the active element of label can or can not produce detectable signal, therefore label is activated or deexcitation.
In an electromagnetism-mechanical type label, bias element is magnetized along the long length direction of this element under the effect of a permanent magnet.By making it magnetize this dual mode to the bias element demagnetization or along its short width, make described label ineffective along its length.In a resonant, when bias element during by demagnetization, described label will be activated.By making its magnetization along the long length direction of bias element, described label again can be by deexcitation.Bias element is implemented demagnetization along its length, activate described label again.Can buy in the SENSORMATIC ELECTRONICS CORPORATION company that is positioned at Fla. Berkeley village with the suitable anti-theft device that the form of safety label occurs.
In the embodiment shown in Fig. 7 and 8, anti-theft device 14 is set in place in the cavity 16 at sign 12 rears, and this sign is set on the plastic assembly 10 of electric tool.Particularly, among the embodiment as shown in Figures 9 and 10, anti-theft device is separately positioned on a cavity that is positioned at sign 12 rears, and wherein sign lays respectively on the chain brake 22 of the handle 18 of electric tool 28 and chain saw.Distance maximization between the motor 20 that anti-theft device 14 can make anti-theft device 14 and electric tool 28 is set by this way, has therefore reduced the magnetic field that anti-theft device 14 produced by the motor 20 of electric tool 28 or the possibility of electromagnetic field deexcitation.
Though in the embodiment shown in Fig. 7 to 10, cavity 16 can cover with the viscosity sign, also can be with any suitable material known as lid.For example lid can tighten up material manufacturing (as the material of selling with trade mark VELCRO among the US patent No.5802676) with being fixed to cavity edge hook-loop on every side.This material also can be used for anti-theft device is fixed in the cavity, thereby if need, the user of goods can remove described anti-theft device and for example can store widgets with described cavity after purchase.For this reason, concerning lid, the most handy easy-to-dismount mode is fixed to it on the cavity, as using a kind of rigid material that slides before and after can be above cavity, perhaps can adopt the enough buckles of a kind of energy, snap-fastener, bracelet, frenulum, hook or analog to be fixed to elastomeric material on the cavity.
As shown in figure 10, the electric tool 28 that has anti-theft device 14 and a sign 12 can be placed in and be used for dispensing in the packing 26 and give retailer, whole seller and/or consumer.Illustrated electric tool 28 can be a chain saw, but also can be any electric tool or other electronic products.In the embodiment shown in fig. 10, bar code identification 24 adheres on the packing 26 and the very approaching anti-theft device that is positioned at cavity, and wherein this cavity is covered by sign 12.The scanning of setting can be by almost carrying out anti-theft device simultaneously in the selling spot deexcitation and bar code has improved the efficient of retail units like this.
After the assembling of electronic products such as electric tool is finished, to do the quality guarantee test usually.At these duration of test, goods are under the mode of operation, will produce magnetic field or electromagnetic field like this.These may reduce the effect that is installed in the anti-theft device in the goods or make the anti-theft device deexcitation fully and ineffective.In case anti-theft device is by deexcitation, it detects no longer detected device, therefore will no longer bring into play the function that prevents that goods are stolen.
Therefore, the present invention aims to provide a kind of method, and this method can prevent deexcitation, comprises that the electronic products that will have anti-theft device wires up, and the location of this anti-theft device makes the distance maximization between the motor of anti-theft device and goods inside.This method is the degree of exposure of anti-theft device in any magnetic field and minimizes, and wherein above-mentioned magnetic field is to be generated by the electromagnetic field that the permanent-magnetic field of motor internal generates or winding motor produces.
Another aspect of the present invention provides a kind of electronic products such as stolen method of electric tool of preventing.This method comprises: the anti-theft device insertion is positioned at the cavity of electronic products and covers described cavity.Lid can and can be fixed to the cavity top with any suitable known manner with any suitable well known materials manufacturing.For example lid can be one and is fixed to the sign of cavity top or a kind of with buckle, button, bracelet, frenulum, bonding agent, screw by viscosity, and bolt, bail, hook or analog are fixed to the elastomeric material of cavity top.
In one embodiment, described method bag is arranged on cavity in the goods on the assembly away from the electronic products of motor.This structure example is as reducing the possibility of anti-theft device deexcitation under the running effect of quality guarantee duration of test motor.
In another embodiment, can dismantle lid and in cavity, move apart described anti-theft device from goods according to reverse order.So cavity can be used as storage bin.Lid preferably is fixed to the cavity top in the following manner: make the user can be easy to remove and reopen described lid, be stored in the article in the cavity to take.
In another embodiment, this method comprises described electronic products is wired up, and gives consumer, retailer and/or retailer with dispensing.One bar code identification can be provided with on the packaging.Method of the present invention can be installed in bar code and be about three inches anti-theft device, and is needed just as most retailers, carries out the deexcitation of anti-theft device and the scanning of bar code simultaneously with convenience.
After the goods that have anti-theft device are bought, just can be through the personnel of permission with the anti-theft device deexcitation.The general employing of deexcitation device can produce the magnetic field of sufficient intensity so that the coil that anti-theft device stops to work.This deexcitation device can be again in response to the projectile energy of electronic products surveillance, and therefore, alarm can not be triggered.The example of deexcitation device is existing the elaboration in U.S. Patent No. 6084514.
Certainly, be to be understood that: can in a very wide scope, make multiple variation and change embodiments of the invention.Therefore, above-mentioned detailed description only is illustrative, rather than limitation of the present invention, and, be understood that appending claims, comprise that it is equal to replacement, be intended to limit design scope of the present invention and protection domain.
Claims (54)
1, a kind of goods comprise:
A. housing;
B. motor that is positioned at housing; With
C. anti-theft device that is positioned at housing.
2, goods as claimed in claim 1 is characterized in that: above-mentioned anti-theft device is in response to a magnetic field.
3, goods as claimed in claim 1 is characterized in that: described goods comprise a kind of electric tool.
4, a kind of method of preventing that goods are stolen of being used to comprises:
A. anti-theft device is put into a goods inside that comprises motor; With
B. the mode of passing electromagnetic field and making this anti-theft device have suitable polarity by the goods that will have anti-theft device activates above-mentioned anti-theft device.
5, method as claimed in claim 4 is characterized in that: described goods comprise a kind of electric tool.
6, method as claimed in claim 4 also comprises the step that the described anti-theft device of checking has been activated.
7, method as claimed in claim 6 is characterized in that: finish proof procedure with a receiver.
8, method as claimed in claim 7 is characterized in that: described receiver has one from about 45 to the 70kHz frequencies that change.
9, method as claimed in claim 8 also is included in the step that described goods are packed in the checking back.
10, method as claimed in claim 9 is characterized in that: also be included in the step of buying behind the described goods described anti-theft device deexcitation.
11, a kind of method that is used to improve the effectiveness that is located at the anti-theft device in the goods may further comprise the steps successively:
A. by making these goods pass a magnetic field, the mode that makes anti-theft device have suitable polarity simultaneously activates above-mentioned anti-theft device.
B. verify that described anti-theft device is activated; With
C. described goods are wired up.
12, method as claimed in claim 11 is characterized in that: finish proof procedure with a receiver.
13, method as claimed in claim 12, wherein said receiver are installed on the bearing or pillar that is arranged on the assembly line.
14, method as claimed in claim 13 is characterized in that: described receiver has one from about 45 to the 70kHz frequencies that change.
15, method as claimed in claim 13 is characterized in that: described goods comprise a kind of electric tool.
16, a kind of strap comprises that a band and one link together with this band or is accommodated in anti-theft device in the described band.
17, strap as claimed in claim 16 also comprises: be used for first end of described band is connected to a device on the rope.
18, strap as claimed in claim 16 is characterized in that: described anti-theft device is in response to a magnetic field.
19, strap as claimed in claim 16 is characterized in that: described band is connected to a rope on the electric tool round one.
20, strap as claimed in claim 16 is characterized in that: described band is as an integral part of rope and make.
21, strap as claimed in claim 17 also comprises: being used for the described device that first end with described band is connected on the rope is a clip.
22, strap as claimed in claim 17 also comprises described strap is fixed on described rope device on every side.
23, strap as claimed in claim 21 is characterized in that: described anti-theft device is connected to or accommodates in the described clip.
24, strap as claimed in claim 22 is characterized in that: be used for described strap is comprised first fabric that has a plurality of prominent hooks around described rope stationary device that first fabric cooperatively interacts with second fabric with the ring that is suitable for receiving described hook.
25, a kind of anti-theft device comprises:
A. clip that accommodates anti-theft device; With
B. a band, this band have one and are connected to the first on the described clip and cooperate to form the second portion of an adjustable ring with described clip movably.
26, anti-theft device as claimed in claim 25 also comprises an end piece on the second portion that is connected to described band.
27, anti-theft device as claimed in claim 26 is characterized in that: described band comprises first fabric with outstanding hook, has ring and cooperatively interacts with first fabric with second fabric that receives described hook.
28, anti-theft device as claimed in claim 25 is characterized in that: described anti-theft device is housed in the interior cavity of clip.
29, anti-theft device as claimed in claim 28 is characterized in that: described clip also comprises a bend that is used for receiving a rope.
30, a kind of being used for prevents the method that electronic products is stolen, comprising:
A. an anti-theft device is connected on the strap, perhaps anti-theft device is placed in the strap; With
B. strap is placed on around the rope that links together with described goods.
31, method as claimed in claim 30 also comprises with a device for fastening described strap is fixed around described goods.
32, method as claimed in claim 30 is characterized in that: described device comprises an electric tool.
33, method as claimed in claim 30 is characterized in that: described anti-theft device is in response to a magnetic field.
34, method as claimed in claim 30 wherein is connected to anti-theft device a step on the strap and comprises:
A. described anti-theft device is placed in the clip;
B. first end with described band is connected on the described clip;
C. second end of described band is inserted the slit in the clip, thereby formed a ring;
D. described rope was inserted described ring; With
E. second end of described band is pulled out to fasten described band around described rope.
35, method as claimed in claim 30 is characterized in that: also comprise described goods are placed in the packing, described anti-theft device is positioned at can make distance between the motor in anti-theft device and the goods to reach on the maximum position.
36, electronic products comprises a cavity, an anti-theft device and a lid that is positioned at the cavity top that is arranged on fully in this cavity.
37, electronic products as claimed in claim 36 is characterized in that: described lid comprises a kind of adhesive label.
38, electronic products as claimed in claim 37 is characterized in that: described cavity is positioned on the assembly away from the electronic products motor.
39, electronic products as claimed in claim 38 is characterized in that: described anti-theft device is in response to a magnetic field.
40, electronic products as claimed in claim 39 is characterized in that: described electronic products is an electric tool.
41, electronic products as claimed in claim 37 is characterized in that: the adhesive label comprises a kind of safety label, brand label or bar coded sticker.
42, electronic products as claimed in claim 36 is characterized in that: also comprise a bar coded sticker that is arranged in the anti-theft device that is about 3 inches.
43, a kind of method that prevents that electronic products is stolen comprises anti-theft device is inserted a cavity that is arranged in described electronic products, covers described cavity subsequently.
44, method as claimed in claim 43 is characterized in that: described goods comprise an electric tool.
45, method as claimed in claim 43 is characterized in that: described anti-theft device is in response to a magnetic field.
46, method as claimed in claim 45 is characterized in that: described lid comprises a kind of adhesive label.
47, method as claimed in claim 46 is characterized in that: described cavity is positioned on the assembly away from the electronic products motor.
48, method as claimed in claim 43 also comprises and opens described cavity, takes described anti-theft device away, and described cavity is used as memory space.
49, method as claimed in claim 47 also comprises described electronic products is placed in the packing.
50, method as claimed in claim 49 also comprises bar coded sticker is attached on the packing.
51, method as claimed in claim 50 is characterized in that: described bar coded sticker is positioned at and is about 3 inches described adhesive label.
52, a kind of method of anti-antitheft device inefficacy, wherein, inefficacy is to cause that this method comprises inserts a cavity that is arranged in described electronic products with anti-theft device, and covers described cavity owing to have the magnetic field that goods produce or the electromagnetic field of motor.
53, method as claimed in claim 52 is characterized in that: described cavity covers with an adhesive label.
54, method as claimed in claim 53 is characterized in that: described cavity is positioned on the assembly away from motor.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54289404P | 2004-02-09 | 2004-02-09 | |
| US60/542,894 | 2004-02-09 | ||
| US60/564,047 | 2004-04-20 | ||
| US60/583,725 | 2004-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1743140A true CN1743140A (en) | 2006-03-08 |
Family
ID=36138732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510067785 Pending CN1743140A (en) | 2004-02-09 | 2005-02-16 | Electric tool with anti-theft device, cord and assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1743140A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105008640A (en) * | 2012-12-21 | 2015-10-28 | 奈达科技瑞典有限公司 | Method, node, computer program and power tool device, for enabling locking and unlocking of power tool |
-
2005
- 2005-02-16 CN CN 200510067785 patent/CN1743140A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105008640A (en) * | 2012-12-21 | 2015-10-28 | 奈达科技瑞典有限公司 | Method, node, computer program and power tool device, for enabling locking and unlocking of power tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20050200485A1 (en) | Article containing anti-theft device | |
| US6933847B2 (en) | Anti-theft tag | |
| US11096506B2 (en) | Anti-theft ring assembly and method of using the same | |
| US8938997B2 (en) | Security surround device with cord lock | |
| US7342495B2 (en) | Integrated theft deterrent device | |
| WO2006093539A2 (en) | Hang tag with swivel attachment | |
| US8152009B2 (en) | Bottle cap protector | |
| US8878675B2 (en) | Merchandise tags with removal detection for theft prevention | |
| US9299232B2 (en) | Security device with dual use transformer | |
| US20110095089A1 (en) | Electronic tag housing having cable tie support | |
| US20180068539A1 (en) | Security devices for products | |
| CN102713118A (en) | Adjustable dual loop cable security device | |
| US20020174695A1 (en) | Theft deterrent tag | |
| US8833116B1 (en) | Anti-theft ring assembly and method of use | |
| JP5498961B2 (en) | Adjustable and constrained adaptive insert for merchandise security tag and method of insertion | |
| AU783702B2 (en) | Merchandise item protection apparatus | |
| CN105122323A (en) | Device and package for retail theft prevention | |
| CN1743140A (en) | Electric tool with anti-theft device, cord and assembly | |
| CA2525528A1 (en) | Method and apparatus for the securing of objects by strapping | |
| US7714721B1 (en) | Anti-theft ring tag | |
| JP2009541614A (en) | Band seal crime prevention device | |
| US6352606B1 (en) | Consumer article security arrangement | |
| US20020180603A1 (en) | Package for tracking and monitoring devices | |
| EP1612753A2 (en) | Component containing anti-theft device | |
| WO2005001787A1 (en) | Integrated theft deterrent device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |