JP6656401B2 - Anti-theft tag - Google Patents

Description

  The present invention relates to an anti-theft tag for preventing a product placed on a product shelf or the like in a store from being stolen.

  Conventionally, anti-theft tags have been attached to products to prevent theft of products at stores, fraudulent tags have been removed from the products, and products with anti-theft tags have been removed from stores. In such a case, a technique of issuing an alarm and notifying the occurrence of theft is widely used.

  This is because the anti-theft tag detects an unauthorized removal state, or detects a signal emitted from an EAS (Electric Article Surveillance) gate provided at an entrance or the like of a store, thereby detecting the anti-theft tag itself or the tag. Another device, such as an EAS gate, will issue the alarm.

  In Patent Literature 1, a lead wire having one end connected to one insertion hole of the anti-theft tag main body is passed through the anti-theft object, and the other end of the lead wire is inserted into another insertion hole of the anti-theft tag main body. A wire-type anti-theft tag that is attached by connecting is disclosed.

JP-A-2003-109132

  However, in the case of the anti-theft tag described in Patent Literature 1, the internal battery cannot be easily replaced. In order to facilitate recycling of used batteries and replacement work in the event of a battery failure, a structure that allows the battery to be easily removed is required.

  On the other hand, if the battery can be easily removed from the anti-theft tag in the product monitoring state, the alarm sound is prevented from being emitted, and the security function for the anti-theft may not be able to be exhibited.

  The present invention has been made in view of the above problems, and has as its object to provide a technology that allows easy replacement of a battery while maintaining a security function of preventing theft.

The anti-theft tag according to the present invention that achieves the above object,
A battery storage case,
An outer lid portion that can be attached to the battery storage housing portion,
An inner lid portion that can be attached to the battery storage housing portion,
A detection unit that detects that the outer lid unit has been removed from the battery housing unit,
An alarm output unit that outputs an alarm in response to detection by the detection unit,
The inner lid portion includes a first engagement portion,
The battery housing case section includes a second engagement section,
The first engagement portion and the second engagement portion are engaged with each other according to the attachment of the inner lid portion to the battery housing case portion,
The first engagement portion includes a hole,
The engagement between the first engagement portion and the second engagement portion can be released in accordance with the contact of the rod-shaped object inserted through the hole with the second engagement portion. Features.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to implement | achieve a battery exchange easily, maintaining the security function of theft prevention.

  Other features and advantages of the present invention will become apparent from the following description with reference to the accompanying drawings. In the accompanying drawings, the same or similar components are denoted by the same reference numerals.

The accompanying drawings are included in and constitute a part of the specification and illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the invention.
1 is an external view of an anti-theft tag according to an embodiment of the present invention. The functional block diagram of the tag for anti-theft according to one embodiment of the present invention. FIG. 1 is a functional configuration diagram of a signal transmission device according to an embodiment of the present invention. The figure which shows a part of housing | casing structure of the anti-theft tag which concerns on one Embodiment of this invention. The figure which shows the outer cover part which concerns on one Embodiment of this invention. The figure which observed the battery storage housing part which concerns on one Embodiment of this invention from another viewpoint. Explanatory drawing of how to remove the inside lid part attached to the battery storage housing part which concerns on one Embodiment of this invention. Explanatory drawing of the engagement of the battery storage housing part and inner lid part which concern on one Embodiment of this invention. 5 is a flowchart illustrating a procedure of a process performed by the anti-theft tag according to the embodiment of the present invention.

  Hereinafter, embodiments will be described with reference to the drawings. Note that the configurations shown in the following embodiments are merely examples, and the present invention is not limited to the illustrated configurations.

(1st Embodiment)
<Apparatus configuration>
First, an anti-theft tag and a signal transmission device according to an embodiment of the present invention will be described with reference to FIG. The anti-theft tag 1 is attached to an anti-theft object (not shown) and outputs an alarm when unauthorized removal is detected. Also, an alarm is output when an outer lid 301 described later with reference to FIG. 3 is detached from the battery housing case 303. The anti-theft tag 1 outputs an alarm when it detects removal from the anti-theft object or removal of the outer lid 301 from the battery housing 303 in response to reception of a signal from the signal transmission device 2. It is possible to switch between a "set state" and a "release state" in which an alarm is not output even if there is removal. The signal transmission device 2 includes one or more buttons 21 for receiving a user operation.

  Next, with reference to FIGS. 2A and 2B, a functional configuration of the anti-theft tag 1 and the signal transmission device 2 that transmits a signal to the anti-theft tag 1 will be described. The anti-theft tag 1 includes a control unit 101, an attachment state / removal state detection unit 102, an alarm output unit 103, a signal reception unit 104, a signal processing unit 105, and a light emission control unit 106. . The signal transmission device 2 includes a control unit 201, a set signal transmission unit 202, and a release signal transmission unit 203.

  The control unit 101 controls the operation of each processing unit. For example, the operation of each processing unit is controlled by reading and executing a program stored in a memory (not shown). The attachment state / removal state detection unit 102 detects the attachment state in which the anti-theft tag 1 is attached to the anti-theft object and the detach state in which the tag 1 is removed from the anti-theft object. In addition, the attachment state / removal state detection unit 102 may be configured such that an outer lid 301 described below is removed from the battery storage housing 303 or that the outer lid 301 is mounted on the battery storage housing 303. Is detected (mounted).

  The alarm output unit 103 detects a state in which the anti-theft tag 1 has been removed from the anti-theft object by the attachment state / removal state detection unit 102, receives a predetermined signal from an EAS gate (not shown), When it is detected that the outer cover 301 has been removed from the battery housing case 303, an alarm is output. The signal receiving unit 104 receives a control signal transmitted from the signal transmission device 2 (remote controller) shown in FIG. 2B or a signal transmitted from an EAS gate (not shown).

  Here, a control signal transmitted by the signal transmission device 2 to the anti-theft tag 1 will be described. The control unit 201 of the signal transmission device 2 controls the operation of each processing unit. For example, the operation of each processing unit is controlled by reading and executing a program stored in a memory (not shown). The set signal transmission unit 202 of the signal transmission device 2 detects removal while the anti-theft tag 1 is attached to the anti-theft object, or the outer lid 301 is removed from the battery housing case 303. For example, a set signal for setting the anti-theft tag 1 to a "set state" in which an alarm is output when such an event is detected is transmitted.

  Unauthorized removal means that the anti-theft tag 1 is removed from the anti-theft object or the outer lid 301 of the anti-theft tag 1 described below is removed in the set state. The release signal transmission unit 203 of the signal transmission device 2 releases an alarm when the set state is released and the anti-theft tag 1 is removed from the anti-theft object, or the outer cover 301 of the anti-theft tag 1 is removed. A release signal is transmitted to make the “release state” not output. The control unit 201 controls the set signal transmission unit 202 and the release signal transmission unit 203 to transmit these signals in response to the pressing of the button 21 provided on the signal transmission device 2.

  Further, the signal processing unit 105 analyzes the signal received by the signal receiving unit 104. The control signal transmitted from the signal transmission device 2 includes the above-described set signal or release signal. The light emission control unit 106 controls the operation of a light emitting unit (not shown). The light emitting unit (not shown) emits light when the signal receiving unit 104 receives a signal from the signal transmission device 2 or when a signal is received from an EAS gate (not shown) or any other action occurs. To control.

<Housing structure of anti-theft tag>
Next, the housing structure of the anti-theft tag 1, particularly the structure of the battery replacement unit, will be described in detail with reference to FIGS. FIG. 3 is a diagram showing a part of the housing structure of the anti-theft tag according to one embodiment of the present invention. FIG. 4 is a diagram illustrating an outer lid portion according to an embodiment of the present invention. FIG. 5 is a diagram in which the battery housing unit according to one embodiment of the present invention is observed from another viewpoint (opposite side). FIG. 6 is an explanatory diagram of how to remove the inner lid attached to the battery housing according to the embodiment of the present invention. FIG. 7 is a diagram for explaining a state of engagement between the battery housing case and the inner lid according to the embodiment of the present invention.

  As shown in FIG. 3, the anti-theft tag 1 includes an outer lid 301, an inner lid 302, and a battery storage housing 303. Note that the battery housing casing 303 is combined with a separate housing to form a housing structure of one anti-theft tag 1, but for simplicity, only the battery housing casing 303 which is a part is It has been described.

  As shown in FIGS. 3 and 4, the outer lid portion 301 includes a first outer lid insertion portion 3011, a second outer lid insertion portion 3012, a contact control protrusion 3013, and a third outer lid insertion portion. 3014 and a fourth outer lid insertion portion 3015. As shown in FIGS. 3 and 6, the inner lid portion 302 includes a first engaging portion 3021 having a hole 3022 and a concave portion 3023, and an inner lid insertion portion 3024. Also, as shown in FIGS. 3, 5 and 6, the battery housing casing 303 includes a first outer lid insertion hole 3031, a second outer lid insertion hole 3032, and a first inner lid insertion hole. The hole 3033, the second inner cover insertion hole 3034, the protrusion insertion hole 3035, the third outer cover insertion hole 3036, the fourth outer cover insertion hole 3037, the battery storage portion 3038, And a joining portion 3039.

  Hereinafter, a procedure for attaching the outer lid portion 301 and the inner lid portion 302 that can be attached to the battery storage housing portion to the battery storage housing portion 303 will be described. First, the inner lid part 302 is attached to the battery housing part 303. The inner lid insertion portion 3024 is inserted into the second inner lid insertion hole 3034, and the first engagement portion 3021 is inserted into the first inner lid insertion hole 3033. The first engaging portion 3021 is engaged with the second engaging portion 3039, and the mounting of the inner lid portion 302 is completed. The configuration of the engaging portion will be described later.

  Next, the outer lid part 301 is mounted on the battery storage housing part 303 to which the inner lid part 302 is attached. The first outer lid insertion portion 3011 is inserted into the first outer lid insertion hole 3031, and the second outer lid insertion portion 3012 is inserted into the second outer lid insertion hole 3032. Then, the third outer lid insertion portion 3014 is inserted into the third outer lid insertion hole 3036, and the fourth outer lid insertion portion 3015 is inserted into the fourth outer lid insertion hole 3037.

  When the outer lid part 301 is attached to the battery housing part 303, the contact control projection 3013 is inserted into the projection insertion hole 3035 shown in FIG. Protrudes. The contact control protrusion 3013 contacts a contact switch (not shown) on a circuit board (not shown) provided inside the battery housing casing 303, and switches on or off the contact switch. The detachment of the outer lid 301 from the battery storage housing 303 can be detected according to the ON or OFF of the contact switch.

<Structure of engaging part>
Subsequently, a configuration of an engagement portion between the first engagement portion 3021 included in the inner lid portion 302 and the second engagement portion 3039 included in the battery housing unit 303 will be described. As shown in FIG. 6, when the inner lid 302 is mounted on the battery housing 303, the inner lid 302 is mounted from below the battery housing 303 in FIG. At this time, the first engagement portion 3021 and the second engagement portion 3039 are engaged.

  More specifically, as shown in FIG. 7 in which the engagement portion is enlarged, when the first engagement portion 3021 is inserted from below in FIG. 7, the claw portion of the first engagement portion 3021 has 3024 comes into contact with the convex portion 3040 of the second engaging portion 3039. When the first engaging portion 3021 is inserted further deeply, the claw portion 3024 of the first engaging portion 3021 moves upward in FIG. 7 from the convex portion 3040 of the second engaging portion 3039. Move further.

  When the claw portion 3024 moves to a position where the claw portion 3024 is hooked on the upper surface of the second engaging portion 3039, the concave portion 3023 and the convex portion 3040 come into close contact with each other, and the first engaging portion 3021 engages with the second engaging portion 3039. Are combined. Since the claw portion 3024 is hooked on the upper surface of the second engaging portion 3039, the first engaging portion 3021 cannot move downward in FIG. 7, and the engaged state is formed. In this way, the inner lid part 302 is mounted on the battery housing part 303.

<Disengagement method>
On the other hand, a procedure for releasing the mounting (engagement) will be described with reference to FIGS. As shown in FIG. 6, the rod-shaped object 601 is inserted into the third outer cover insertion hole 3036, and the tip end of the rod-shaped object 601 is inserted into the second engagement portion 3039 through the cavity inside the battery housing case 303. Contact. Here, the rod-shaped object 601 may be, for example, a wire-like metal or plastic. As shown in FIG. 7, the rod-shaped object 601 is brought into contact with the protrusion 3040 of the second engagement portion 3039 via the hole 3022 of the inner cover 302. By retreating the position of the projection 3040 to the far side in the contact direction by a predetermined pressure, the hook of the claw 3024 on the upper surface of the second engagement portion 3039 can be released. When the hooking is released, the engagement between the first engaging portion 3021 and the second engaging portion 3039 is released, and the inner lid portion 302 can be removed from the battery housing case 303.

  In this embodiment, the example in which the first engaging portion 3021 has the concave portion 3023 and the second engaging portion 3039 has the convex portion 3040 has been described, but the reverse may be applied. That is, the first engaging portion 3021 may have a convex portion, and the second engaging portion 3039 may have a concave portion.

  Further, the insertion hole of the rod-shaped object 601 into the inside of the battery housing casing 303 is not limited to the third outer cover insertion hole 3036. It may be inserted through the fourth outer lid insertion hole 3037 into the inside of the battery housing case 303, or a dedicated insertion hole may be separately provided.

  Thus, the rod-shaped object 601 can be inserted into the battery housing case 303 through the insertion hole of the battery housing case 303. Further, the engagement between the first engaging portion 3021 and the second engaging portion 3039 can be released in accordance with the contact of the inserted rod-shaped object 601 with the second engaging portion 3039. . Further, even if the rod-shaped object 601 is inserted inadvertently, the engagement between the first engagement portion 3021 and the second engagement portion 3039 cannot be released, and the rod-shaped object 601 is inserted into the hole 3022 of the first engagement portion 3021. It is necessary to insert the object 601. As a result, a structure with higher security is provided.

<Process>
Hereinafter, the procedure of the process performed by the anti-theft tag according to the embodiment of the present invention will be described with reference to FIG. In step S801, the control unit 101 determines whether the anti-theft tag 1 is in a set state in which the alarm output unit 103 issues an alarm. Whether the set state is set or the set state is canceled is determined according to whether the signal receiving unit 104 receives a set signal or a cancel signal from the signal transmission device 2. If it is in the set state, the process proceeds to S802. On the other hand, if it is not in the set state, it waits until the set state is reached.

  In step S802, the attached state / removed state detection unit 102 detects removal of the outer lid unit 301 from the battery housing unit 303. As described above, the contact control protrusion 3013 provided on the outer cover 301 comes into contact with a contact switch (not shown) on a circuit board (not shown) provided inside the battery housing case 303, and the contact switch is turned on. Or switch off. Then, the removal of the outer lid portion 301 from the battery housing case 303 can be detected in accordance with the ON or OFF of the contact switch. As an example, when the outer lid part 301 is removed from the battery housing part 303, the contact switch is turned on (conduction state), and the removal is detected in accordance with the contact switch being turned on. If the removal is detected, the process proceeds to S803. On the other hand, when the removal is not detected, the process returns to S801.

  In step S803, the alarm output unit 103 outputs an alarm sound because it can be determined that the operation of removing the outer cover unit 301 is an illegal operation. Thus, a series of processes in FIG. 8 ends.

  As described above, according to the present embodiment, it is detected that the outer lid has been illegally removed from the battery housing, and an alarm is output in response to the detection. As a result, it is possible to prevent the unauthorized removal of the battery and the theft of the anti-theft object.

  Also, by providing an inner lid that requires a simple tool (for example, a rod-shaped object) to open, the battery is immediately removed after the outer lid is removed from the battery housing, and an alarm sound is generated. It is possible to prevent a situation where the output stops. Further, by providing the engagement portion inside the battery housing case portion, even if the outer lid portion is removed, the engagement portion cannot be easily visually recognized, and furthermore, the hand or finger directly touches the engagement portion. Therefore, crime prevention can be further improved.

  As described above, according to the present embodiment, it is possible to easily realize battery replacement while maintaining the anti-theft security function.

  The present invention is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present invention. Therefore, to make the scope of the present invention public, the following claims are appended.

Claims (7)

An anti-theft tag,
A battery storage case,
An outer lid portion that can be attached to the battery storage housing portion,
An inner lid portion that can be attached to the battery storage housing portion,
A detection unit that detects that the outer lid unit has been removed from the battery housing unit,
An alarm output unit that outputs an alarm in response to detection by the detection unit,
The inner lid portion includes a first engagement portion,
The battery housing case section includes a second engagement section,
The first engagement portion and the second engagement portion are engaged with each other according to the attachment of the inner lid portion to the battery housing case portion,
The first engagement portion includes a hole,
The engagement between the first engagement portion and the second engagement portion can be released in accordance with the contact of the rod-shaped object inserted through the hole with the second engagement portion. Characteristic anti-theft tag. The outer lid portion includes a contact control protrusion,
A contact switch in which the contact control protrusion is provided on a substrate inside the battery storage housing in accordance with attachment of the outer lid to the battery storage housing or removal from the battery storage housing. Switch on or off,
2. The anti-theft tag according to claim 1, wherein the detection unit detects removal from the battery housing unit based on ON or OFF of the contact switch. 3. The first engagement portion includes a recess,
The second engagement portion includes a protrusion,
The anti-theft tag according to claim 1, wherein the concave portion and the convex portion are engaged with each other. The battery housing case further includes an insertion hole,
The anti-theft device according to any one of claims 1 to 3, wherein the rod-shaped object can be inserted into the battery housing case through an insertion hole of the battery housing case. tag.   The anti-theft tag according to any one of claims 1 to 4, wherein the second engagement portion is provided inside the battery housing case.   The said detection part detects that the said outer lid part was removed from the said battery storage housing part in the set state which the said alarm output part outputs an alarm, The Claim 1 characterized by the above-mentioned. 2. The anti-theft tag according to claim 1.   The said detection part does not detect removal, even if the said outer lid part is removed from the said battery storage housing part in the cancellation | release state in which the said alarm output part does not output an alarm. The anti-theft tag according to any one of the above.

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