JPH1084570A - Radio terminal equipment for security and radio security system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To check an illegal movement of an object from a radio propagation area covered by a radio base station by sending/receiving a radio signal between a radio base station and a radio terminal equipment fitted for an under security check object. SOLUTION: A radio terminal equipment 10 fitted to an object 20 sends a registration request denoting current position in a radio propagation area A to a radio base station A (30a) covering the radio propagation area A (40a) in which the terminal equipment 10 itself is in existence. In the case that a reception level of an in-zone check signal sent from the radio base station A is lower than a predetermined threshold level, it is discriminated that the terminal equipment leaves the radio propagation area A and the terminal equipment sends an alarm signal to the radio base station A with a radio output level higher than the radio output level when the registration request is sent.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technology for checking the security of an object to be used by a wireless terminal, and more particularly, to a technology in which a wireless terminal covers a wireless propagation area in which the wireless terminal exists. If a base station makes a resident registration request indicating that the base station will continue to be present in the radio propagation area, and conversely, if the user leaves the radio propagation area, an emergency has occurred in the security check target. Regarding the technology considered.

[0002]

2. Description of the Related Art As an example of a security system for preventing an object such as a product from being stolen, a security system currently used in a rental shop or the like attaches a tag to a product (video tape, compact disk, etc.).
When a person who has not completed the transaction, that is, a person who has not removed the tag, has passed the detector installed at the entrance, an alarm sound is output.

[0003] By the way, a wireless communication system that enables a call with a wireless terminal has become widespread, and one of the basic concepts of the wireless communication system is "~ Special feature-Evolving personal communication" (published by Nikkei BP, Nikkei Communications). , 1
991.2.18, pp. 52-72).

In a wireless communication system, control information other than voice (for example, a position registration request, etc.) is transmitted between a wireless terminal and a wireless base station in order to determine the position of a moving wireless terminal. Transmitting and receiving by signal.

[0005] In a wireless communication system, in order to guarantee the continuity and security of a call associated with the movement of a wireless terminal, a digital line is connected between a wireless base station and an exchange, and user information and network information are connected. -A communication protocol conforming to the TTC standard that enables transmission and reception of each connection condition in real time is adopted.

[0006]

As described above, the conventional security system has a simple system configuration using a detector, and in a conventional wireless communication system, a wireless terminal and a wireless base station communicate with each other. It does not transmit and receive information between the product side and the detector side as transmitting and receiving wireless signals.

[0007] On the other hand, the size of the wireless terminal has been reduced, and by removing components for communication, the size of the wireless terminal can be reduced to the size of the tag described above.

Accordingly, the present inventors have devised a wireless security system in which the wireless terminal thus miniaturized is used in place of the tag described above.

That is, an object of the present invention is to attach a miniaturized wireless terminal to a security check object,
By transmitting and receiving a radio signal between the wireless terminal and a wireless base station covering the wireless propagation area where the wireless terminal is located, the object to which the wireless terminal is attached is located within the wireless propagation area. It is an object of the present invention to provide a wireless security system for checking whether or not the wireless communication is performed.

As will be described later, the object of security check may be a creature such as a pet, an infant, a wandering elderly person, or the like, which is desired to prevent a lost child, in addition to an object such as a product or a valuable item to be prevented from being stolen.

[0011]

In order to achieve the above object, the present invention, as a first aspect, is used in conjunction with a security check target and covers a radio propagation area in which the self exists. To the wireless base station, including terminal identification information for identifying itself, transmitting a residency registration request means for transmitting a residency registration request indicating that the wireless base station is to remain in the radio propagation area, and transmitting the residency registration request. When the radio base station moves away from the radio propagation area covered by the radio base station, the radio base station includes its own terminal identification information at a radio output level higher than the radio output level at the time of transmitting the resident registration request. A wireless terminal for security having an alarm transmitting means for transmitting an alarm signal is provided.

Further, in the first aspect described above, it is possible to have an alarm sound output means for outputting an alarm sound to the outside when the alarm signal is transmitted.

For example, when the power is turned on or a predetermined button is pressed, the security wireless terminal according to the first aspect transmits to the wireless base station covering the wireless propagation area in which the wireless terminal is located. , The above-mentioned resident registration request can be transmitted.

[0014] Then, after transmitting the resident registration request, the security wireless terminal according to the first aspect illegally takes out an object such as a product or valuables to which the wireless terminal is attached,
When leaving the radio propagation area covered by the radio base station that transmitted the above-mentioned registration request, or when the subject (pet, infant, wandering elderly person, etc.) to which the radio base station is attached is the eyes of the owner or guardian When the user moves to an unreachable place and moves away from the radio propagation area covered by the radio base station that transmitted the resident registration request, the alarm signal is transmitted to the radio base station. Thus, it is possible to notify that the emergency has occurred to the object or the person to which the user is attached.

Further, after transmitting the resident registration request, the wireless terminal for security according to the first aspect is covered by the wireless base station to which the object to which the wireless terminal is attached or the subject has transmitted the resident registration request. When the user is away from the radio propagation area, an alarm sound is output to the outside to notify the surroundings that an emergency has occurred in the object or the subject to which the user is attached. .

In order to achieve the above object, the present invention provides, as a second aspect, a plurality of wireless terminals each of which is used in association with a security check object, and a wireless signal between these wireless terminals. And a switching station connected to one or more radio base stations for transmitting and receiving the radio base station, wherein the radio terminal covers a radio propagation area in which the radio terminal is located. Station registration request means for transmitting to the station a terminal registration request including terminal identification information for identifying itself, and indicating that the station is to remain in the radio propagation area; and a radio base station transmitting the station registration request When the station transmits a location check signal for checking whether or not the radio base station is present in the radio propagation area covered by the radio base station,
If the reception level of the location check signal is lower than a predetermined threshold, the radio base station has a radio output level higher than the radio output level at the time of transmitting the resident registration request,
Alarm transmitting means for transmitting an alarm signal including its own terminal identification information, the radio base station,
When the residence registration request is transmitted from any of the wireless terminals, the residence registration means for storing terminal identification information included in the residence registration request, and the terminal identification information stored in the residence registration means. And a presence check means for transmitting the presence check signal at a predetermined cycle to the wireless terminal indicated by.

In the above-mentioned second aspect, the wireless base station includes a warning destination storage unit that stores a predetermined warning destination telephone number for each of the terminal identification information of the plurality of wireless terminals; When the alarm signal is transmitted from any one of the wireless terminals, the telephone stored in the warning destination storage means is stored in the switching center in association with the terminal identification information included in the alarm signal. And a warning destination transmitting means for transmitting a number.

In the above-mentioned second aspect, when the alarm signal is transmitted from any one of the radio terminals, the radio base station transmits an alarm signal to the exchange to transmit the alarm signal. The transmitting station, the switching center, for each terminal identification information of the plurality of wireless terminals, a warning destination storage means that stores a predetermined warning destination telephone number, and from any of the wireless base station When an alarm signal is transmitted, there is provided a warning destination transmitting means for transmitting to the telephone number stored in the warning destination storage means in association with the terminal identification information included in the alarm signal. be able to.

In the wireless security system according to the second aspect, when the wireless terminal is turned on or a predetermined button is pressed, for example, the wireless base station covers the wireless propagation area in which the wireless terminal is located. , The resident registration request may be transmitted.

[0020] In the wireless security system according to the second aspect, the wireless terminal transmits the residence registration request, and then the object to which the wireless terminal is attached, such as a commodity or valuables, is illegally taken out. If you are away from the radio propagation area covered by the radio base station that sent the registration request, or if the subject (pet, infant, wandering elderly, etc.) to which you are attached is out of sight of the owner or guardian When moving to the place, when leaving the radio propagation area covered by the radio base station that has transmitted the resident registration request, by transmitting the alarm signal to the radio base station, The object or the subject can be notified that an emergency has occurred.

Therefore, in the wireless security system according to the second aspect, the radio base station receiving the alarm signal from the radio terminal, or the switching center receiving the alarm signal from the radio terminal via the radio base station. Is
By calling a predetermined warning destination (security company, police, guardian, etc.), the warning destination is notified that an emergency has occurred in the target object or the target person to which the wireless terminal is attached. Will be able to do it.

Further, in the wireless security system according to the second aspect, the wireless terminal transmits the resident registration request, and then the object to which the wireless terminal is attached or the subject transmits the resident registration request. If the user is away from the radio propagation area covered by the device, an alarm sound can be output to the outside to notify the surroundings that an emergency has occurred to the object or the subject to which the user is attached. Become like

In order to achieve the above object, the present invention provides, as a third aspect, a plurality of wireless terminals each used in conjunction with a security check object and a wireless signal between these wireless terminals. And a switching station connected to one or more radio base stations for transmitting and receiving the radio base station, wherein the radio terminal covers a radio propagation area in which the radio terminal is located. Station registration request means for transmitting to the station a terminal registration request including terminal identification information for identifying itself, and indicating that the station is to remain in the radio propagation area; and a radio base station transmitting the station registration request When the station transmits a location check signal for checking whether or not the radio base station is present in the radio propagation area covered by the radio base station,
If the reception level of the presence check signal is equal to or higher than a predetermined threshold, the presence base station indicates to the wireless base station that the wireless base station is present in the wireless propagation area covered by the wireless base station. And a location check response unit that transmits a check response signal, wherein the wireless base station is included in the location registration request when the location registration request is transmitted from any wireless terminal. A resident registration unit that stores terminal identification information, and a resident check unit that transmits the resident check signal at a predetermined cycle to a wireless terminal indicated by the terminal identification information stored in the resident registration unit. If the above-mentioned check signal is not transmitted from the wireless terminal which has transmitted the above-mentioned check signal, or if the above-mentioned check signal which has been transmitted from the wireless terminal which has transmitted the above-mentioned check signal, When the reception level of the communication response signal is lower than a predetermined threshold, an alarm is transmitted to the security radio terminal at a radio output level higher than the radio output level at the time of transmitting the location check signal. Transmitting means, and wherein the wireless terminal further includes an alarm sound output means for outputting an alarm sound to the outside when the alarm signal is transmitted from the wireless base station which has transmitted the resident registration request. I have to.

In the third aspect, the alarm transmitting means of the radio base station transmits an alarm signal including identification information of the radio terminal that transmitted the alarm signal to the exchange. , The exchange,
For each of the terminal identification information of the plurality of wireless terminals, a warning destination storage unit that stores a predetermined warning destination telephone number, and when the alarm signal is transmitted from any one of the wireless base stations, There may be provided a warning destination transmitting means for transmitting to the telephone number stored in the warning destination storage means in association with the terminal identification information included in the alarm signal.

In the wireless security system according to the third aspect, when the power is turned on or a predetermined button is pressed, for example, the wireless terminal covers the wireless propagation area in which the wireless terminal is located. , The resident registration request may be transmitted.

[0026] In the wireless security system according to the third aspect, after transmitting the resident registration request, the wireless terminal illegally takes out an object, such as a product or valuables, to which the wireless terminal is attached, and causes the resident to relocate. If you are away from the radio propagation area covered by the radio base station that sent the registration request, or if the subject (pet, infant, wandering elderly, etc.) to which you are attached is out of sight of the owner or guardian When the user moves to a place and leaves the wireless propagation area covered by the wireless base station that transmitted the resident registration request, the presence check response signal transmitted by the wireless terminal does not reach the wireless base station. Or the reception level of the location check response signal transmitted by the wireless terminal at the wireless base station is reduced.

Therefore, in the wireless security system according to the third aspect, the wireless base station that has received the residence registration request from the wireless terminal does not transmit the presence check response signal from the wireless terminal, or If the reception level of the presence check response signal transmitted from the wireless terminal is lower than a predetermined threshold, it may be considered that an emergency has occurred in the object or the subject to which the wireless terminal is attached. Since the wireless terminal can receive the alarm signal from the wireless base station and output an alarm sound to the outside, the wireless terminal notifies the surroundings that an emergency has occurred to the object or the subject to which the wireless terminal is attached. At the same time, the exchange can receive the alarm signal from the radio base station and issue a predetermined warning destination (security company, police, security, etc.). By so as to call Sha, etc.), it made to the effect that emergency to the object wireless terminal is attached or subject occurs to be able to inform to the warning target.

In order to achieve the above object, the present invention provides, as a fourth aspect, a plurality of wireless terminals each used in association with a security check object and a wireless signal between these wireless terminals. And a switching station connected to one or more radio base stations for transmitting and receiving the radio base station, wherein the radio terminal covers a radio propagation area in which the radio terminal is located. Station registration request means for transmitting to the station a terminal registration request including terminal identification information for identifying itself, and indicating that the station is to remain in the radio propagation area; and a radio base station transmitting the station registration request When the station transmits a location check signal for checking whether or not the radio base station is present in the radio propagation area covered by the radio base station,
If the reception level of the presence check signal is equal to or higher than a predetermined threshold, the presence base station indicates to the wireless base station that the wireless base station is present in the wireless propagation area covered by the wireless base station. And a location check response unit that transmits a check response signal, wherein the wireless base station is included in the location registration request when the location registration request is transmitted from any wireless terminal. A resident registration unit that stores terminal identification information, and a resident check unit that transmits the resident check signal at a predetermined cycle to a wireless terminal indicated by the terminal identification information stored in the resident registration unit. A warning destination storage unit storing a predetermined warning destination telephone number for each of the plurality of wireless terminals, and a presence check response signal from the wireless terminal that transmitted the presence check signal. If not received, or if the reception level of the presence check response signal transmitted from the wireless terminal that transmitted the presence check signal is lower than a predetermined threshold, via the exchange, And a warning destination transmitting means for transmitting to the telephone number stored in the warning destination storage means in association with the terminal identification information of the wireless terminal which has transmitted the alarm signal.

In the wireless security system according to the fourth aspect, when the power is turned on or a predetermined button is pressed, for example, the wireless terminal covers the wireless propagation area where the wireless terminal is located. , The resident registration request may be transmitted.

[0030] In the wireless security system according to the fourth aspect, the wireless terminal transmits the residence registration request, and then an object such as a commodity or valuables to which the wireless terminal is attached is illegally taken out. If you are away from the radio propagation area covered by the radio base station that sent the registration request, or if the subject (pet, infant, wandering elderly, etc.) to which you are attached is out of sight of the owner or guardian When the user moves to a place and leaves the wireless propagation area covered by the wireless base station that transmitted the resident registration request, the presence check response signal transmitted by the wireless terminal does not reach the wireless base station. Or the reception level of the location check response signal transmitted by the wireless terminal at the wireless base station is reduced.

Therefore, in the wireless security system according to the fourth aspect, the wireless base station that has received the residence registration request from the wireless terminal does not transmit the presence check response signal from the wireless terminal, or If the reception level of the presence check response signal transmitted from the wireless terminal is lower than a predetermined threshold, it may be considered that an emergency has occurred in the object or the subject to which the wireless terminal is attached. Since the wireless terminal can call a predetermined warning destination (security company, police, guardian, etc.), an emergency has occurred in the object or the object to which the wireless terminal is attached. This can be notified to the warning destination.

In order to achieve the above object, according to a fifth aspect of the present invention, there are provided a plurality of wireless terminals each of which is used in association with an object of security check, and a wireless signal between these wireless terminals. And a switching station connected to one or more radio base stations for transmitting and receiving the radio base station, wherein the radio terminal covers a radio propagation area in which the radio terminal is located. When a station is changed, a location registration requesting means for transmitting a location registration request including terminal identification information for identifying itself to the changed radio base station, and covering a radio propagation area in which the station is located. For the radio base station, including its own terminal identification information, to have a resident registration request means for transmitting a resident registration request indicating that it continues to be present in the radio propagation area, When the location registration request is transmitted from one of the wireless terminals, the wireless base station transmits to the exchange, a location registration transmitting unit that transmits the location registration request, and When the resident registration request is transmitted, the exchange has a resident registration transmitting means for transmitting the resident registration request to the exchange. When a registration request is transmitted, base station identification information for identifying the wireless base station, and location registration means for storing the wireless terminal identification information included in the location registration request in association with each other, When the resident registration request is transmitted from any of the wireless base stations, the resident station stores the base station identification information of the wireless base station and the terminal identification information included in the resident registration request in association with each other. Register And when the location registration request is transmitted from any of the wireless base stations, the resident registration means stores the same terminal identification information as the terminal identification information included in the location registration request, If the base station identification information stored by the resident registration means in association with the terminal identification information does not match the base station identification information of the wireless base station that transmitted the location registration request, An alarm transmitting means for transmitting an alarm signal including the terminal identification information to the wireless base station which has transmitted the registration request is provided.

When the alarm signal is transmitted from the exchange, the radio base station transmits the alarm signal to the radio terminal indicated by the terminal identification information included in the alarm signal. The wireless terminal further includes an alarm transmitting unit that performs the alarm signal when any one of the wireless base stations transmits the alarm signal.
An alarm sound output means for outputting an alarm sound to the outside is further provided.

[0034] In the fourth aspect, the wireless base station includes a warning destination storage unit storing a predetermined warning destination telephone number for each of the terminal identification information of the plurality of wireless terminals; When the alarm signal is transmitted from the exchange, the telephone number stored in the alarm destination storage means is associated with the terminal identification information included in the alarm signal via the exchange. It is possible to have a warning destination transmitting means for transmitting.

[0035] In the wireless security system according to the fifth aspect, when the wireless terminal is turned on or a predetermined button is pressed, for example, the wireless terminal informs the exchange of the wireless propagation area where the wireless terminal is located. The resident registration request may be transmitted via the covering wireless base station.

[0036] In the wireless security system according to the fifth aspect, the wireless terminal transmits the residence registration request, and then the object to which the wireless terminal is attached, such as a commodity or valuables, is illegally taken out. If you are away from the radio propagation area covered by the radio base station that sent the registration request, or if the subject (pet, infant, wandering elderly, etc.) to which you are attached is out of sight of the owner or guardian When moving to a location and leaving the radio propagation area covered by the radio base station that transmitted the resident registration request, then, when moving to a radio propagation area covered by another radio base station, The location registration request is transmitted to the exchange via the another radio base station.

Therefore, in the wireless security system according to the fifth aspect, the switching center transmits, from the wireless terminal transmitting the residence registration request via the wireless base station, a wireless base station different from the wireless base station. When the location registration request is transmitted through the wireless terminal, it can be considered that an emergency has occurred in the object or the subject to which the wireless terminal is attached, and the wireless terminal By receiving the alarm signal from the exchange via the base station and outputting an alarm sound to the outside, it is possible to notify the surroundings that an emergency has occurred to the object or the person to which the self is attached. The radio base station receives the alarm signal from the exchange, and calls a predetermined warning destination (security company, police, guardian, etc.), thereby enabling the radio base station to receive the alarm signal. End is emergency to the object or subject is mounted is that it has occurred to be able to inform to the warning target.

In order to achieve the above object, the present invention provides, as a sixth aspect, a plurality of wireless terminals each of which is used in association with an object of security check, and a wireless signal between these wireless terminals. And a switching station connected to one or more radio base stations for transmitting and receiving the radio base station, wherein the radio terminal covers a radio propagation area in which the radio terminal is located. When a station is changed, a location registration requesting means for transmitting a location registration request including terminal identification information for identifying itself to the changed radio base station, and covering a radio propagation area in which the station is located. For the radio base station, including its own terminal identification information, to have a resident registration request means for transmitting a resident registration request indicating that it continues to be present in the radio propagation area, When the location registration request is transmitted from one of the wireless terminals, the wireless base station transmits to the exchange, a location registration transmitting unit that transmits the location registration request, and When the resident registration request is transmitted, the exchange has a resident registration transmitting means for transmitting the resident registration request to the exchange. When a registration request is transmitted, base station identification information for identifying the wireless base station, and location registration means for storing the wireless terminal identification information included in the location registration request in association with each other, When the resident registration request is transmitted from any of the wireless base stations, the resident station stores the base station identification information of the wireless base station and the terminal identification information included in the resident registration request in association with each other. Register And warning destination storage means storing a predetermined warning destination telephone number for each terminal identification information of the plurality of wireless terminals, and the location registration request has been transmitted from any of the wireless base stations. In this case, the resident registration unit stores the same terminal identification information as the terminal identification information included in the location registration request, and the resident registration unit stores the terminal identification information in association with the terminal identification information. If the base station identification information and the base station identification information of the wireless base station that transmitted the location registration request do not match, the telephone number stored in the warning destination storage means in association with the terminal identification information. And a warning destination transmitting means for transmitting.

In the wireless security system according to the sixth aspect, when the wireless terminal is turned on or a predetermined button is pressed, for example, the wireless terminal informs the exchange of the wireless propagation area in which the wireless terminal is located. The resident registration request may be transmitted via the covering wireless base station.

[0040] In the wireless security system according to the sixth aspect, the wireless terminal transmits the residence registration request, and then an object such as a commodity or valuables to which the wireless terminal is attached is illegally taken out. If you are away from the radio propagation area covered by the radio base station that sent the registration request, or if the subject (pet, infant, wandering elderly, etc.) to which you are attached is out of sight of the owner or guardian When moving to a location and leaving the radio propagation area covered by the radio base station that transmitted the resident registration request, then, when moving to a radio propagation area covered by another radio base station, The location registration request is transmitted to the exchange via the another radio base station.

Therefore, in the wireless security system according to the sixth aspect, the exchange exchanges a radio base station different from the radio base station from a radio terminal that has transmitted the resident registration request via the radio base station. When the location registration request is transmitted via the wireless terminal, it can be considered that an emergency has occurred in the object or the subject to which the wireless terminal is attached. police·
By calling a parent or the like, it is possible to notify the warning destination that an emergency has occurred to the target or the target to which the wireless terminal is attached.

[0042]

Embodiments of the present invention will be described below with reference to the drawings.

First, a wireless security system according to a first embodiment of the present invention will be described with reference to FIGS.

In the wireless security system according to the first embodiment, a wireless terminal attached to an object to be security-checked such as a commodity or a valuable item is transmitted to a wireless base station covering a wireless propagation area where the wireless terminal is located. Transmitting a resident registration request indicating that the continuation of the resident registration request in the radio propagation area, and after transmitting the resident registration request, the object to be checked to which the user is attached is illegally taken out and the resident registration request is transmitted. When the mobile station is away from the radio propagation area covered by the previous radio base station, an alarm signal is transmitted to the exchange via the radio base station, so that the self-attached check target In addition to notifying that an emergency has occurred on an object, and outputting an alarm sound to the outside, it informs the surroundings that an emergency has occurred on the object to be checked to which it has been attached. It is obtained by way.

Further, the wireless security system according to the first embodiment is arranged such that, when an alarm signal is transmitted from a wireless terminal via a wireless base station, the switching station issues a predetermined warning in association with the wireless terminal. By sending a call to the above telephone number, the warning destination is notified of the occurrence of an emergency in the check target to which the wireless terminal is attached.

FIG. 1 is a system configuration diagram of the wireless security system according to the first embodiment.

In the figure, 10 is a wireless terminal, 20 is a wireless terminal 1
Security check object with 0 attached, 30
a is the radio base station A, 30b is the radio base station B, 40a is the radio propagation area A covered by the radio base station A (30a), and 40b is the radio propagation area covered by the radio base station B (30b) B and 50 are exchanges and 60 is a fixed telephone.

The radio base station A (30a) and the radio base station B (3
0b), the fixed telephones 60 are each connected to the exchange 50 via a wired line 70.

The radio base station A (30a) and the radio base station B (30b) each have terminal identification information (here, the radio terminal 10) for identifying the radio terminal 10 that has transmitted the resident registration request to itself. A resident registration database (hereinafter referred to as a “resident registration DB”) that stores a telephone number of 10
Called. ) 31a and 31b.

The switching center 50 also subordinates a warning destination database (hereinafter, referred to as a “warning destination DB”) 51 that stores a predetermined warning destination telephone number for each telephone number of the wireless terminal 10. Have.

FIGS. 2 and 3 are diagrams showing specific examples of the wireless terminal 10 and the check target 20 in the wireless security system according to the first embodiment.

As shown in FIG. 2, for example, the wireless terminal 10 includes a valuable item (jewelry, precious metal, etc.) 20a and a safe 2 in the house.
0b, such as an object to be prevented from being lost or stolen.

As shown in FIG. 2, the wireless terminal 10 can be attached to a subject such as a pet (dog, cat, etc.) 20c or a person (toddler, wandering elderly, etc.) who wants to prevent a lost child. You can also.

Also, as shown in FIG. 3, for example, the wireless terminal 10 can store a product (video tape,
It can be attached to an object such as a compact disk (20d) whose loss or theft is desired to be prevented.

FIG. 4 is a hardware configuration diagram of the wireless terminal 10 in the wireless security system according to the first embodiment.

In the figure, 100 is an antenna, 101 is a radio unit, 102 is a baseband processing unit, 103 is an output control unit, 104 is an alarm sound output device, and 105 is a storage device. Is controlled by

Further, the storage device 105 stores a terminal number table 107 in which the telephone numbers of the wireless terminals 10 are stored.

FIG. 5 is a hardware configuration diagram of the wireless base station 30 in the wireless security system according to the first embodiment.

In the figure, 300 is an antenna, 301 is a line interface unit, 302 is a radio unit, and 303 is an output control unit. These operations are controlled by a control unit 304.

The wireless base station 30 has a resident registration DB 31 under its control. The resident registration DB 31 stores a resident registration terminal management table 310 for storing the telephone number of the wireless terminal 10 that has transmitted the resident registration request. I remember.

FIG. 6 is a hardware configuration diagram of the exchange 50 in the wireless security system according to the first embodiment.

In the figure, reference numeral 500 denotes an exchange, and
The operation of 0 is controlled by the control unit 501.

Further, the exchange 50 has a warning destination D under its control.
B51, and the warning destination DB 51 stores a warning destination number table 510 storing a predetermined warning destination telephone number for each telephone number of the wireless terminal 10.

Next, the operation of the wireless security system according to the first embodiment will be described.

FIG. 7 is a sequence diagram showing the operation of the wireless security system according to the first embodiment.

As shown in FIG. 7, when the radio terminal 10 wants to check the security of the check target 20 to which the radio terminal 10 is attached when the radio terminal 10 is in the radio propagation area A (40a), for example, Radio propagation area A (4
To the wireless base station A (30a) covering 0a), a residency registration request 700 in which the telephone number of the wireless terminal 10 stored in the terminal number table 107 of the storage device 105 is set is transmitted.

For example, when the wireless terminal 10 is turned on or a predetermined button is pressed, the wireless base station A (30a) covering the wireless propagation area A (40a) in which the wireless terminal 10 is located. , A resident registration request 700 can be transmitted.

When the resident registration request 700 is transmitted from the wireless terminal 10, the wireless base station A (30 a) stores the telephone number of the wireless terminal 10 set in the resident registration request 700 in the resident registration DB 31. Resident registration terminal management table 3
10 to receive a residence registration request 700 (step 701). Subsequently, the wireless base station A (30a)
Transmits a resident registration request 702 indicating that the resident registration request 700 has been received to the wireless terminal 10 that has transmitted the resident registration request 700.

Now, when there is a wireless terminal 10 that has received the resident registration request 700, the wireless base station A (30a) determines whether or not it exists in the wireless propagation area A (40a) that it covers. In order to enable the wireless terminal 10 to check the location, a location check process of transmitting a location check signal 703 at a predetermined cycle is performed.

On the other hand, the wireless terminal 10
After receiving “2”, an electric field strength check process for checking the wireless output level of the wireless base station A (30 a) of the transmission source of the resident registration reception 702 is performed. That is, the wireless terminal 10
When the presence check signal 703 is transmitted from the wireless base station A (30a), the electric field strength check processing is performed by determining whether the reception level is equal to or higher than a predetermined threshold.

If the reception level of the presence check signal 703 is lower than a predetermined threshold as a result of the electric field strength check processing (step 704), the wireless terminal 10 receives the presence registration request 700 even though it has been received. It is determined that the check target 20 to which it has been attached has been illegally taken out and has left the radio propagation area A (40a).
, An alarm signal 705 is transmitted via the radio base station A (30a).

Note that the radio terminal 10 transmits the alarm signal 70
5, the terminal number table 107 of the storage device 105
Is set, and the alarm signal 705 is transmitted at a wireless output level higher than the wireless output level at the time of transmitting the resident registration request 700.

If the reception level of the presence check signal 703 is lower than a predetermined threshold value as a result of the electric field strength check processing (step 704), the alarm sound output device 104 outputs an alarm sound to the outside. Output (Step 706).

When the alarm signal 705 is transmitted from the wireless terminal 10 via the wireless base station A (30a), the exchange 50 responds to the telephone number of the wireless terminal 10 set in the alarm signal 705. The phone number of the alert
A search is made from the alert destination number table 510 of the alert destination DB 51 (step 707), and a call is made to the retrieved alert destination telephone number (step 708).

Note that the exchange 50 sends a voice message generated by a voice synthesizer (not shown) when a call is made to a destination with a warning destination, or allows the operator to send a message in a real voice. The check target 20 to which the wireless terminal 10 is attached
Can be notified that an emergency has occurred.

In the sequence diagram shown in FIG. 7, the warning destination is the fixed telephone 60, but the invention is not limited to this.

Further, in the wireless security system according to the first embodiment, the wireless base station A (30a) can have an alarm sound output device. A (30a) is the wireless terminal 1
When the alarm signal 705 is transmitted from 0, the alarm signal 705 is transmitted to the exchange 50, and the alarm sound is output to the outside by the alarm sound output device. An operator can be notified that an emergency has occurred in the check target 20 to which the terminal 10 is attached.

In the wireless security system according to the first embodiment, as shown in FIG.
(30a), when the alarm signal 705 is transmitted from the wireless terminal 10, the alarm signal 705 is transmitted to the exchange 50.
And transmits an alarm response signal 800 to the wireless terminal 10 that is the source of the alarm signal 705. After the wireless terminal 10 transmits the alarm signal 705, the wireless terminal 10 that is the destination of the alarm signal 705 transmits the alarm signal 705. Base station A
Only when the alarm response signal 800 is not transmitted from (30a) (step 801), the alarm sound may be output to the outside by the alarm sound output device 104.

Further, in the wireless security system according to the first embodiment, as shown in FIG.
(30a), when the alarm signal 705 is transmitted from the wireless terminal 10, the alarm signal 705 is transmitted to the exchange 50.
And transmits an alarm response signal 800 to the wireless terminal 10 that is the source of the alarm signal 705. After the wireless terminal 10 transmits the alarm signal 705, the wireless terminal 10 that is the destination of the alarm signal 705 transmits the alarm signal 705. Base station A
When the alarm response signal 800 is transmitted from (30a) (step 801), the alarm sound output device 104
The alarm sound output to the outside may be stopped (step 900).

In the sequence diagrams shown in FIGS. 8 and 9, the alarm response signal 800
May be transmitted to the wireless terminal 10 via the wireless base station A (30a).

In the wireless security system according to the first embodiment, as shown in FIG.
0 is transmitted from the wireless base station A (30a) to the wireless base station A (30a) as the transmission source of the located check signal 703 when the presence check signal 703 having a predetermined threshold or more is transmitted. The wireless base station A (30a) transmits the presence check response signal 1000 in which the telephone number of the wireless terminal 10 stored in the terminal number table 107 of the storage device 105 is set. Is the case where the location check response signal 1000 is not transmitted from the wireless terminal 10 of the destination (step 1001),
Further, only when the alarm signal 705 is not transmitted from the wireless terminal 10 (step 1002), an alarm signal 1003 in which the telephone number of the wireless terminal 10 is set is transmitted to the exchange 50. You may.

In the wireless security system according to the first embodiment, the wireless base station 30 instead of the exchange 50 can have the alert destination DB 51 under its control. As shown in FIG. 11, when an alarm signal 705 is transmitted from the wireless terminal 10, the wireless base station A (30a)
Is searched from the alert destination number table 510 of the alert destination DB 51 for the alert destination telephone number corresponding to the telephone number of the wireless terminal 10 set inside the terminal (step 1100). A call can be made to the previous telephone number (step 1101).

In the wireless security system according to the first embodiment, the wireless base station 30 is realized by adding a function for performing the above-described operation to the wireless base station in the conventional wireless communication system. Alternatively, by adding a function for performing the above-described operation to a wireless terminal in a conventional wireless communication system, the wireless terminal 10 can be realized. That is, it is possible to construct a system using both the wireless security system of the first embodiment and the conventional wireless communication system.

In the former case, the radio base station 30 transmits an area signal indicating the radio propagation area 40 covered by the radio base station 30 at a predetermined cycle. Therefore, instead of the presence check signal 703, the wireless terminal 10 determines whether or not the reception level of the area signal is equal to or higher than a predetermined threshold, thereby performing the electric field strength check processing. it can.

In the latter case, since the wireless terminal 10 has a call function, the exchange 50
When an alarm signal 705 is transmitted from the wireless terminal 10 via the wireless base station 30, the alarm signal 705 is transmitted to the telephone number of the wireless terminal 10 set inside the alarm signal 705, so that the ringing tone Can be used instead of the alarm sound.

Next, a wireless security system according to a second embodiment of the present invention will be described with reference to FIGS.
5 will be described.

In the wireless security system according to the second embodiment, a wireless terminal attached to a security check object such as a commodity or a valuable item is transmitted to a wireless base station covering a wireless propagation area in which the wireless terminal is located. And transmitting a resident registration request indicating that the resident registration request continues to be present in the radio propagation area. After transmitting the resident registration request, the resident area check signal transmitted from the wireless base station to which the resident registration request is transmitted is transmitted. Is received, it is considered that the wireless base station is present in the wireless propagation area covered by the wireless base station, and a presence check response signal indicating that fact is transmitted to the wireless base station. It was made.

Also, in the second embodiment, the wireless security system is configured such that when the wireless base station does not transmit a location check response signal from the wireless terminal that has transmitted the resident registration request, If the received level of the received check response signal is lower than a predetermined threshold, the check target to which the wireless terminal is attached is illegally taken out and is separated from the wireless propagation area covered by the check. By transmitting an alarm signal to the wireless terminal, it is notified that an emergency has occurred in the check target to which the wireless terminal is attached, and the wireless terminal When an alarm signal is transmitted from the base station, an alarm sound is output to the outside, indicating that an emergency has occurred in the object to be checked to which it has been attached. Is obtained so as to inform the surroundings.

Further, in the wireless security system according to the second embodiment, the radio base station notifies the exchange that the alarm signal has been transmitted to the radio terminal, and the exchange uses the radio base station. When notified to that effect, a call is made to a predetermined telephone number of a warning destination in association with the wireless terminal to notify that a check target to which the wireless terminal is attached has an emergency. The warning destination is notified.

The system configuration of the wireless security system according to the second embodiment is the same as that shown in FIG.

Further, the wireless terminal 10 and the check target 2 in the wireless security system of the second embodiment
A diagram showing a specific example of 0 is the same as FIGS. 2 and 3.

FIG. 11 is a hardware configuration diagram of the wireless terminal 10 in the wireless security system according to the second embodiment.
The hardware configuration of the wireless base station 30 in the wireless security system of the second embodiment and the hardware configuration of the exchange 50 in the wireless security system of the second embodiment are the same as those in FIGS. It is.

Next, the operation of the wireless security system according to the second embodiment will be described.

FIG. 12 is a sequence diagram showing the operation of the wireless security system according to the second embodiment.

As shown in FIG. 12, for example, when the radio terminal 10 wants to check the security of the check target 20 to which the radio terminal 10 is attached when the radio terminal 10 is in the radio propagation area A (40a), Radio propagation area A (4
To the wireless base station A (30a) covering 0a), a residency registration request 700 in which the telephone number of the wireless terminal 10 stored in the terminal number table 107 of the storage device 105 is set is transmitted.

When the power of the radio terminal 10 is turned on or a predetermined button is pressed, for example, the radio base station A (30a) covering the radio propagation area A (40a) in which the radio terminal 10 is located. , A resident registration request 700 can be transmitted.

When the radio base station A (30a) receives the resident registration request 700 from the radio terminal 10, the radio base station A (30a) stores the telephone number of the radio terminal 10 set in the resident registration request 700 in the resident registration DB 31. Resident registration terminal management table 3
10 to receive a residence registration request 700 (step 701). Subsequently, the wireless base station A (30a)
Transmits a resident registration request 702 indicating that the resident registration request 700 has been received to the wireless terminal 10 that has transmitted the resident registration request 700.

If there is a radio terminal 10 that has received the resident registration request 700, the radio base station A (30a) determines whether or not it is in the radio propagation area A (40a) covered by itself. In order to enable the wireless terminal 10 to check the location, a location check process of transmitting a location check signal 703 at a predetermined cycle is performed.

After receiving the resident registration reception 702, the wireless terminal 10 transmits the resident registration reception 702 to the wireless base station A as the transmission source.
When the presence check signal 703 is transmitted from (30a), it is regarded as existing in the radio propagation area A (40a), and the storage device 105 is transmitted to the radio base station A (30a).
Wireless terminal 1 stored in the terminal number table 107 of
Location check response signal 1 with a telephone number of 0 set internally
Send 200.

After transmitting the presence check signal 703, the radio base station A (30a) transmits the presence check signal 70
A field strength check process for checking the wireless output level of the wireless terminal 10 of the third destination is performed. That is, the radio base station A (30a) transmits the location check response signal 1200 from the radio terminal 10 (step 120).
1) The electric field strength check processing is performed by determining whether or not the reception level is equal to or higher than a predetermined threshold.

If the radio base station A (30a) finds that there is a radio terminal 10 whose reception level of the location check response signal 1200 is lower than a predetermined threshold value as a result of the electric field strength check processing (step 1202), the resident registration is performed. Although the request 700 is accepted, the check target 20 to which the wireless terminal 10 is attached is illegally taken out, and the wireless propagation area A
(40a), and sends an alarm signal 1203 to the wireless terminal 10.

[0102] Further, the radio base station A (30a) communicates with the radio terminal 10 to which the location check response signal 1200 is not transmitted.
Even if there is (step 1201), the resident registration request 7
Despite having received 00, it is determined that the check target 20 to which the wireless terminal 10 is attached has been fraudulently taken out and has left the wireless propagation area A (40a). An alarm signal 1203 is transmitted.

Note that the radio base station A (30 a) stores, within the alarm signal 1203, the alarm signal 1203 of the telephone number of the radio terminal 10 stored in the resident registration terminal management table 310 of the resident registration DB 31. The telephone number of the wireless terminal 10 to be transmitted is set, and the alarm signal 1203 is transmitted at a wireless output level higher than the wireless output level at the time of transmitting the location check signal 703.

Subsequently, the radio base station A (30a) transmits the same alarm signal 1204 as the alarm signal 1203 to the exchange 50.

When the alarm signal 1203 is transmitted from the radio base station A (30a), the radio terminal 10 outputs an alarm sound to the outside by the alarm sound output device 104 (step 706).

On the other hand, the exchange 50 has the radio base station A (30
When the alarm signal 1204 is transmitted from a), the wireless terminal 1 set inside the alarm signal 1204
The telephone number of the warning destination corresponding to the telephone number 0
A search is made from the alert destination telephone number table 510 of B51 (step 707), and a call is made to the searched alert destination telephone number (step 708).

[0107] When a call is made with the destination of the warning, the exchange 50 sends a voice message generated by a voice synthesizer (not shown) or allows the operator to send the message in real voice. The check target 20 to which the wireless terminal 10 is attached
Can be notified that an emergency has occurred.

Note that, in the sequence diagram shown in FIG.
The warning destination is the fixed telephone 60, but is not limited thereto.

Further, in the wireless security system according to the second embodiment, the wireless base station A (30a) may have an alarm sound output device. A (30a) is the wireless terminal 1
When the alarm signal 1203 is transmitted to the wireless base station A (30a), the alarm sound is output to the outside by the alarm sound output device. Can be notified to the operator that the error has occurred.

Further, in the wireless security system according to the second embodiment, as shown in FIG. 13, the wireless base station A (30a) receives the area transmitted from the wireless terminal 10 as a result of the electric field strength check processing. Check response signal 1200
If the reception level is equal to or higher than a predetermined threshold (step 1202), a reception check response reception 1300 indicating that the reception check response signal 1200 has been received is transmitted to the wireless terminal 10. The wireless terminal 10
After transmitting the presence check response signal 1200, the wireless base station A (30a) to which the presence check response signal 1200 is transmitted
Only when the reception check response reception 1300 is not transmitted from the wireless base station A (step 1301) and when the alarm signal 1203 is not transmitted from the radio base station A (30a) (step 1302), the alarm sound is output. The output device 104 may output an alarm sound to the outside.

In the wireless security system according to the second embodiment, as shown in FIG.
0 is an alarm signal 1203 from the radio base station A (30a).
Is transmitted to the wireless base station A (30a) of the transmission source of the alarm signal 1203, the wireless terminal 10 stored in the terminal number table 107 of the storage device 105.
Alarm response signal 1400 with the telephone number of
Is transmitted, and only when the alarm response signal 1400 is not transmitted from the radio terminal 10 to which the alarm signal 1203 is transmitted (step 1401), the radio base station A (30a) Alarm signal 12
04 may be transmitted.

Further, in the wireless security system according to the second embodiment, the wireless base station 30 instead of the exchange 50 can have the alert destination DB 51 under its control. As shown in FIG. 15, as a result of the strength check processing, the radio base station A (30a) determines that there is a radio terminal 10 whose reception level of the location check response signal 1200 is lower than a predetermined threshold (step 1202). ) Or when there is a wireless terminal 10 to which the presence check response signal 1200 has not been transmitted (step 1201), the telephone number of the warning destination corresponding to the telephone number of the wireless terminal 10 is stored in the warning destination of the warning destination DB 51. A search is made from the number table 510 (step 1500), and a call is made to the searched warning destination telephone number via the exchange 50 (step 1501). Rukoto can.

In the wireless security system according to the second embodiment, the wireless base station 30 is realized by adding a function for performing the above-described operation to the wireless base station in the conventional wireless communication system. Alternatively, by adding a function for performing the above-described operation to a wireless terminal in a conventional wireless communication system, the wireless terminal 10 can be realized. That is, it is possible to construct a system using both the wireless security system of the second embodiment and the conventional wireless communication system.

In the case of the former, the radio base station 30 transmits an area signal indicating that it is the radio propagation area 40 covered by the radio base station 30 at a predetermined cycle. Therefore, when the area signal is transmitted instead of the presence check signal 703, the wireless terminal 10 sends the area signal to the wireless base station 30 that is the source of the area signal.
The presence check response signal 1200 can be transmitted.

In the latter case, since the wireless terminal 10 has a call function, the exchange 50
Transmits an alarm signal 1204 from the wireless base station 30 to the telephone number of the wireless terminal 10 set in the alarm signal 1204 so that the ringing tone is replaced with the alarm tone. Can be used.

Further, a wireless security system can be constructed by combining the wireless security system of the first embodiment and the wireless security system of the second embodiment.

Next, a wireless security system according to a third embodiment of the present invention will be described with reference to FIGS.
Explanation will be made using 0.

In the wireless security system according to the third embodiment, a wireless terminal attached to an object to be security-checked such as a commodity or a valuable item transmits a signal to an exchange to cover a wireless propagation area in which the wireless terminal is located. And transmits a resident registration request indicating that the wireless terminal continues to be present in the wireless propagation area via the wireless base station. If the radio base station that covers is changed, the exchange, via the radio base station after the change,
A position registration request is transmitted. Then, after transmitting the resident registration request, the wireless terminal is illegally taken out of the check target attached thereto, and moves away from the wireless propagation area covered by the wireless base station to which the resident registration request is transmitted, to another terminal. When the mobile station moves to the wireless propagation area covered by the wireless base station, a location registration request is transmitted to the exchange via the other wireless base station.

Further, in the wireless security system according to the third embodiment, the switching center transmits the resident registration request via the wireless base station from the wireless terminal via the wireless base station different from the wireless base station. When the location registration request is transmitted, it is considered that an emergency has occurred in the object or the subject to which the wireless terminal is attached, and the wireless terminal is
By transmitting an alarm signal via the wireless base station that has transmitted the location registration request, the object or the object to which the wireless terminal is attached is notified that an emergency has occurred, and When an alarm signal is transmitted from an exchange, a wireless terminal outputs an alarm sound to notify the surroundings that an emergency has occurred in a check target attached to the wireless terminal. Things.

Further, in the wireless security system according to the third embodiment, the switching center transmits the resident registration request from the wireless terminal that has transmitted the resident registration request via the wireless base station via a wireless base station different from the wireless base station. When the location registration request is transmitted, it is considered that an emergency has occurred in the object or the subject to which the wireless terminal is attached, and a predetermined alarm destination telephone number is associated with the wireless terminal. By transmitting, the warning destination is notified that an emergency has occurred in the check target to which the wireless terminal is attached.

FIG. 16 is a system configuration diagram of the wireless security system according to the third embodiment.

In the figure, 10 is a wireless terminal, 20 is a wireless terminal 1
Security check object with 0 attached, 30
a is the radio base station A, 30b is the radio base station B, 40a is the radio propagation area A covered by the radio base station A (30a), and 40b is the radio propagation area covered by the radio base station B (30b) B and 50 are exchanges and 60 is a fixed telephone.

The wireless base station A (30a) and the wireless base station B (3
0b), the fixed telephones 60 are each connected to the exchange 50 via a wired line 70.

[0124] Further, the exchange 50 has terminal identification information for identifying the wireless terminal 10 that has transmitted the resident registration request via the wireless base station 30 (here, it is assumed that this is the telephone number of the wireless terminal 10). )) And the radio base station 30
A base station registration DB 52 for storing base station identification information (here, the base station ID of the radio base station 30) for identifying the base station ID is provided.

The switching center 50 has a location registration DB 53 that stores the telephone number of the wireless terminal 10 that has transmitted the location registration request via the wireless base station 30 and the base station ID of the wireless base station 30. Have.

The switching center 50 has a warning destination DB 51 that stores a predetermined warning destination telephone number for each telephone number of the wireless terminal 10.

The wireless terminal 10 and the check target 2 in the wireless security system of the third embodiment
A diagram showing a specific example of 0 is the same as FIGS. 2 and 3.

The hardware configuration of the wireless terminal 10 in the wireless security system according to the third embodiment is the same as that shown in FIG.

The hardware configuration of the wireless base station 30 in the wireless security system according to the third embodiment is the same as that of FIG. 5, but differs in that it does not have a resident registration DB 31 under its control.

FIG. 17 is a hardware configuration diagram of the exchange 50 in the wireless security system according to the third embodiment.

In the figure, reference numeral 500 denotes an exchange, and
The operation of 0 is controlled by the control unit 501.

Further, the exchange 50 has a warning destination D under its control.
B51, and the warning destination DB 51 stores a warning destination number table 510 storing a predetermined warning destination telephone number for each telephone number of the wireless terminal 10.

The switching center 50 has a resident registration DB 52 under its control.
And a base station ID management table 520 for storing the telephone number of the wireless terminal 10 that has transmitted the base station registration request and the base station ID of the base station 30.

Further, the exchange 50 has a location registration DB 53 under its control, and the location registration DB 53
And a location information management table 530 for storing the telephone number of the wireless terminal 10 that has transmitted the location registration request via the base station ID and the base station ID of the wireless base station 30.

Next, the operation of the wireless security system according to the third embodiment will be described.

FIG. 18 is a sequence diagram showing the operation of the wireless security system according to the third embodiment.

As shown in FIG. 18, for example, when the radio terminal 10 wants to check the security of the check target 20 to which the radio terminal 10 is attached when the radio terminal 10 is in the radio propagation area A (40a), For the exchange 50,
A residence registration request in which the telephone number of the wireless terminal 10 stored in the terminal number table 107 of the storage device 105 is set via the wireless base station A (30a) covering the wireless propagation area A (40a). Send 700.

When the power is turned on or a predetermined button is pressed, for example, the radio terminal 10 is radio base station A (30a) covering the radio propagation area A (40a) in which the radio terminal 10 is located. , A resident registration request 700 can be transmitted.

At this time or earlier, the wireless terminal 1
0 transmits a location registration request in which the telephone number of the wireless terminal 10 stored in the terminal number table 107 of the storage device 105 is set to the exchange 50 via the wireless base station A (30a). The exchange 50 has the telephone number of the wireless terminal 10 set in the location registration request,
And the radio base station A that transmitted the location registration request
By storing the base station ID of (30a) in the location information management table 530 of the location registration DB 53, the location registration request is accepted, and the wireless terminal 10 transmits the wireless propagation area covered by the wireless base station A (30a). A (40a).

[0140] When the resident registration request 700 is transmitted from the wireless terminal 10 via the wireless base station A (30a), the exchange 50 receives the telephone number of the wireless terminal 10 set in the resident registration request 700. , And the base station ID of the wireless base station A (30a) that transmitted the registration request 700 is stored in the registration terminal management table 520 of the registration DB 52 to receive the registration request 700 (step 1800). . Subsequently, the exchange 50 sends the resident registration request 7
00, the wireless base station A
Via (30a), a resident registration reception 702 indicating that the resident registration request 700 has been received is transmitted.

Now, the wireless terminal 10 receives the resident registration
2, the check target 20 to which the self-attachment is attached is illegally taken out, and moves away from the radio propagation area A (40 a) covered by the transmission source radio base station A (30 a) of the resident registration reception 702. And another radio base station (here,
It is assumed that it is the radio base station B (30b). ) Moves to the radio propagation area B (40b) covering the radio station, that is, if the radio base station 30 covering the radio propagation area 40 in which the radio base station 30 is located changes, , A location registration request 1801 is transmitted via the changed radio base station B (30b).

Here, the radio base station 30 transmits an area signal indicating that it is the radio propagation area 40 covered by the radio base station 30 at a predetermined cycle, similarly to the radio base station in the conventional radio communication system. The wireless terminal 10 can recognize that the wireless base station 30 covering the wireless propagation area 40 in which the wireless terminal 10 is located has changed based on the reception level of the received area signal.

Note that the wireless terminal 10 transmits the location registration request 18
01, the terminal number table 10 of the storage device 105
7 is set to the telephone number of the wireless terminal 10.

When the location registration request 1801 is transmitted from the wireless terminal 10 via the wireless base station B (30b), the exchange 50 receives the telephone number of the wireless terminal 10 set in the location registration request 1801. , And location registration request 18
01 of the wireless base station B (30b) that has transmitted 01.
Is stored in the location information management table 530 of the location registration DB 53, and the content of the location information management table 530 is updated to receive the location registration request 1801 (step 1802). Subsequently, the exchange 50 sends the location registration request 18
01 to the source wireless terminal 10
Via (30b), a location registration reception 1803 indicating that the location registration request 1801 has been received is transmitted.

The exchange 50 also receives a location registration 180
3 after receiving the location registration request 1801 by sending the wireless terminal 10 set in the location registration request 1801.
By determining whether or not the same telephone number as the telephone number is stored in the resident registration terminal management table 520 of the resident registration DB 52, it is determined whether or not the resident registration request 700 transmitted by the wireless terminal 10 has been received. A determination is made (step 1804). If the wireless terminal 10 has received the resident registration request 700, the resident registration DB
52, a base station ID stored in association with the wireless terminal 10 is searched from the resident registration terminal management table 520 (step 1805), and the searched base station ID and the wireless base station B that transmitted the location registration request 1801 are searched. It is determined whether the base station ID of (30b) matches (step 1806).

Here, the base station ID retrieved from the resident registration terminal management table 520 of the resident registration DB 52 is the base station ID of the radio base station A (30a), and the location registration request 1
Base station I of the wireless base station B (30b) that has transmitted 801
D does not match, the exchange 50
The check target 20 to which is attached is illegally taken out, and the wireless base station A (30
a) departs from the radio propagation area A (40a) covered by the radio base station B (30b) and moves to the radio propagation area B (40b) covered by another radio base station B (30b). On the other hand, an alarm signal 1807 is transmitted via the radio base station B (30b).

Upon receiving the alarm signal 1807 from the exchange 50 via the radio base station B (30b), the radio terminal 10 outputs an alarm sound to the outside by the alarm sound output device 104 (step 706).

The switching center 50 outputs an alarm signal 180
7 is transmitted to the wireless terminal 10, the telephone number of the warning destination corresponding to the telephone number of the wireless terminal 10 is further searched from the warning destination number table 510 of the warning destination DB 51 (step 707). A call is sent to the telephone number of the warning destination (step 708).

[0149] When a call is made to the destination with the warning destination, the exchange 50 sends a voice message generated by a voice synthesizer (not shown) or allows the operator to send the message in real voice. The check target 20 to which the wireless terminal 10 is attached
Can be notified that an emergency has occurred. In particular, in the wireless security system according to the third embodiment, the switching center 50 can recognize the wireless propagation area 40B (40b) in which the moved wireless terminal 10 is located. Can be notified.

In the sequence diagram shown in FIG.
The warning destination is the fixed telephone 60, but is not limited thereto.

Further, in the wireless security system according to the third embodiment, the wireless base station B (30b) can have an alarm sound output device. B (30b) is the exchange 50
Transmits an alarm signal 1807 to the wireless terminal 10 and outputs an alarm sound to the outside by an alarm sound output device, so that the wireless base station B (30b) 10
Can be notified to the operator that an emergency has occurred in the check target 20 to which the is attached.

In the wireless security system according to the third embodiment, as shown in FIG.
0 when the alarm signal 1807 is transmitted from the exchange 50 via the radio base station B (30b).
0, an alarm response signal 1900 in which the telephone number of the wireless terminal 10 stored in the terminal number table 107 of the storage device 105 is internally transmitted via the wireless base station B (30b), Only when the exchange 50 does not transmit the alarm response signal 1900 from the radio terminal 10 via the radio base station B (30b) to which the alarm signal 1807 is transmitted (step 1901), the telephone number of the radio terminal 10 May be sent to the telephone number of the warning destination corresponding to the above.

Further, in the wireless security system according to the third embodiment, the exchange 50 does not have the warning destination DB 51 and the wireless base station 30 has the warning destination DB 51. In this case, as shown in FIG. 20, the radio base station B (30b)
When an alarm signal 1807 for the wireless terminal 10 is transmitted from the exchange 50, the telephone number of the warning destination corresponding to the telephone number of the wireless terminal 10 is searched from the warning destination number table 510 of the warning destination DB 51 (step S1). 200
0), a call can be made to the retrieved telephone number of the alert destination via the exchange 50 (step 2001).

In the third wireless security system, a function for performing the above-described operation is added to a wireless base station in a conventional wireless communication system so that the wireless base station 30 is realized. By adding a function for performing the above-described operation to the wireless terminal in the wireless communication system described above, the wireless terminal 10 can be realized. That is, it is possible to construct a system using both the wireless security system of the third embodiment and the conventional wireless communication system.

Particularly, in the latter case, since the wireless terminal 10 has a telephone call function, the exchange 50
By transmitting the alarm signal 1807 to the telephone number of the wireless terminal 10 instead of transmitting the alarm signal 1807 to the wireless terminal 10, the ringing tone can be used instead of the alarm sound.

[0156]

As described above, according to the wireless security system of the present invention, a wireless terminal attached to an object to be security-checked and a wireless base station covering a wireless propagation area where the wireless terminal exists. By transmitting / receiving a radio signal to / from the station, it is possible to check whether or not the object to which the radio terminal is attached is present in the radio propagation area.

Therefore, when the object to be checked has moved improperly from the radio propagation area, an alarm sound is output from the radio terminal, or a predetermined warning destination associated with the radio terminal is notified to that effect. And so on.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of a wireless security system according to a first embodiment.

FIG. 2 is an explanatory diagram showing a specific example of a wireless terminal and a check target in the wireless security system according to the first embodiment;

FIG. 3 is an explanatory diagram showing a specific example of a wireless terminal and a check target in the wireless security system according to the first embodiment;

FIG. 4 is a hardware configuration diagram of a wireless terminal in the wireless security system according to the first embodiment;

FIG. 5 is a hardware configuration diagram of a wireless base station in the wireless security system according to the first embodiment.

FIG. 6 is a hardware configuration diagram of an exchange in the wireless security system according to the first embodiment.

FIG. 7 is a sequence diagram showing the operation of the wireless security system according to the first embodiment.

FIG. 8 is another sequence diagram showing the operation of the wireless security system according to the first embodiment.

FIG. 9 is another sequence diagram showing the operation of the wireless security system according to the first embodiment.

FIG. 10 is another sequence diagram showing the operation of the wireless security system according to the first embodiment.

FIG. 11 is another sequence diagram showing the operation of the wireless security system according to the first embodiment.

FIG. 12 is a sequence diagram showing the operation of the wireless security system according to the second embodiment.

FIG. 13 is another sequence diagram showing the operation of the wireless security system according to the second embodiment.

FIG. 14 is another sequence diagram showing the operation of the wireless security system according to the second embodiment.

FIG. 15 is another sequence diagram showing the operation of the wireless security system according to the second embodiment.

FIG. 16 is a system configuration diagram of a wireless security system according to a third embodiment.

FIG. 17 is a hardware configuration diagram of an exchange in the wireless security system according to the third embodiment.

FIG. 18 is a sequence diagram showing the operation of the wireless security system according to the third embodiment.

FIG. 19 is another sequence diagram showing the operation of the wireless security system according to the third embodiment.

FIG. 20 is another sequence diagram showing the operation of the wireless security system according to the third embodiment.

[Explanation of symbols]

Reference Signs List 10: wireless terminal, 20: check target, 30a: wireless base station A, 30b: wireless base station B, 40a: wireless propagation area A, 40b: wireless propagation area B, 50: switching station, 6
0: fixed telephone, 70: wired line, 31a, 31b: resident registration database, 51: warning destination database, 52:
Resident registration database, 53 ... location registration database,
REFERENCE SIGNS LIST 100: antenna, 101: radio unit, 102: baseband processing unit, 103: output control unit, 104: alarm sound output device, 105: storage device, 106: control unit, 107
... terminal number table, 300 ... antenna, 301 ... line interface unit, 302 ... wireless unit, 303 ... output control unit, 304 ... control unit, 310 ... resident registration terminal number management table, 500 ... exchanger, 501 ... control unit, 510 ... warning destination number table, 520 ... resident registration terminal number management table, 530 ... location information management table.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hiromi Takazawa 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Pref. Multimedia System Development Division, Hitachi, Ltd.

Claims (11)

[Claims] 1. A radio propagation system, comprising: terminal identification information for identifying a radio base station which is used in connection with a security check target and covers a radio propagation area in which the radio base station exists. A resident registration request unit for transmitting a resident registration request indicating that the wireless base station transmits the resident registration request. On the other hand, an alarm transmitting means for transmitting an alarm signal including its own terminal identification information at a wireless output level higher than the wireless output level at the time of transmitting the resident registration request. 2. The security wireless terminal according to claim 1, further comprising alarm sound output means for outputting an alarm sound when the alarm signal is transmitted. Terminal. 3. A plurality of wireless terminals, each of which is used in association with a security check target, and an exchange to which one or more wireless base stations for transmitting and receiving wireless signals to and from these wireless terminals are connected. The wireless terminal includes, to a wireless base station covering a wireless propagation area in which the wireless terminal is present, including terminal identification information for identifying the wireless terminal, indicating that the wireless terminal continues to be present in the wireless propagation area. A resident registration requesting means for transmitting a resident registration request, and a service area for checking from a wireless base station which has transmitted the resident registration request whether or not the wireless base station is present in a wireless propagation area covered by the wireless base station. If the reception level of the location check signal is lower than a predetermined threshold when the check signal is transmitted, the radio output level at the time of transmitting the resident registration request is transmitted to the radio base station. Alarm transmitting means for transmitting an alarm signal including its own terminal identification information at a high radio output level, wherein the radio base station, when the resident registration request is transmitted from any of the radio terminals, A resident registration means for storing the terminal identification information included in the resident registration request; and a wireless communication terminal indicated by the terminal identification information stored by the resident registration means, wherein the presence check is performed at a predetermined cycle. A wireless security system comprising: a presence check unit for transmitting a signal. 4. The wireless security system according to claim 3, wherein the wireless base station stores a predetermined alert destination telephone number for each terminal identification information of the plurality of wireless terminals. A storage unit, and when the alarm signal is transmitted from any of the wireless terminals, the warning destination storage unit stores the alarm signal via the exchange in association with the terminal identification information included in the alarm signal. And a warning destination transmitting means for transmitting a call to a telephone number. 5. The wireless security system according to claim 3, wherein said wireless base station sends said alarm signal to said exchange when any of said wireless terminals transmits said alarm signal. Alarming means for transmitting the wireless communication terminal, wherein the exchange includes, for each of the terminal identification information of the plurality of wireless terminals, a warning destination storing means storing a telephone number of a predetermined warning destination; A warning destination transmitting unit that, when an alarm signal is transmitted from the base station, makes a call to the telephone number stored in the warning destination storage unit in association with the terminal identification information included in the alarm signal. A wireless security system, characterized in that: 6. A plurality of wireless terminals each of which is used in association with a security check target, and an exchange to which one or more wireless base stations for transmitting and receiving wireless signals to and from these wireless terminals are connected. The wireless terminal includes, to a wireless base station covering a wireless propagation area in which the wireless terminal is present, including terminal identification information for identifying the wireless terminal, indicating that the wireless terminal continues to be present in the wireless propagation area. A resident registration requesting means for transmitting a resident registration request, and a service area for checking from a wireless base station which has transmitted the resident registration request whether or not the wireless base station is present in a wireless propagation area covered by the wireless base station. When a check signal is transmitted, a location check response signal is transmitted to the wireless base station indicating that the wireless base station is present in a wireless propagation area covered by the wireless base station. The wireless base station, wherein when any of the wireless terminals transmits the resident registration request, the resident registration means stores terminal identification information included in the resident registration request. And for a wireless terminal indicated by the terminal identification information stored in the resident registration means, a resident check means for transmitting the resident check signal at a predetermined cycle, and transmitting the resident check signal. When the presence check response signal is not transmitted from the wireless terminal, or when the reception level of the presence check response signal transmitted from the wireless terminal that transmitted the presence check signal is lower than a predetermined threshold Means for transmitting an alarm signal to the security wireless terminal at a wireless output level higher than the wireless output level at the time of transmitting the location check signal. The wireless terminal further comprises: an alarm sound output unit that outputs an alarm sound to the outside when the alarm signal is transmitted from the wireless base station that has transmitted the resident registration request. Wireless security system. 7. The wireless security system according to claim 6, wherein the alarm transmitting means of the wireless base station transmits an alarm signal including identification information of a wireless terminal that transmitted the alarm signal to the exchange. The switching center transmits, for each terminal identification information of the plurality of wireless terminals, warning destination storage means for storing a predetermined warning destination telephone number, and the alarm signal is transmitted from any of the wireless base stations. And a warning destination transmitting means for transmitting the telephone number stored in the warning destination storage means in association with the terminal identification information included in the alarm signal when transmitted. Security system. 8. A plurality of wireless terminals each of which is used in association with a security check object, and an exchange to which one or more wireless base stations for transmitting and receiving wireless signals to and from these wireless terminals are connected. The wireless terminal includes, to a wireless base station covering a wireless propagation area in which the wireless terminal is present, including terminal identification information for identifying the wireless terminal, indicating that the wireless terminal continues to be present in the wireless propagation area. A resident registration requesting means for transmitting a resident registration request, and a service area for checking from a wireless base station which has transmitted the resident registration request whether or not the wireless base station is present in a wireless propagation area covered by the wireless base station. When a check signal is transmitted, a location check response signal is transmitted to the wireless base station indicating that the wireless base station is present in a wireless propagation area covered by the wireless base station. The wireless base station, wherein when any of the wireless terminals transmits the resident registration request, the resident registration means stores terminal identification information included in the resident registration request. Location check means for transmitting the presence check signal at a predetermined cycle to a wireless terminal indicated by the terminal identification information stored in the resident registration means; and terminal identification of the plurality of wireless terminals. For each piece of information, a warning destination storage unit storing a telephone number of a predetermined warning destination, and when the presence check response signal is not transmitted from the wireless terminal that transmitted the presence check signal, or When the reception level of the presence check response signal transmitted from the wireless terminal that transmitted the presence check signal is lower than a predetermined threshold, the alarm signal is transmitted via the exchange. And a warning destination transmitting means for transmitting to the telephone number stored in the warning destination storage means in association with the terminal identification information of the wireless terminal. 9. A plurality of wireless terminals each of which is used in conjunction with a security check target, and an exchange to which one or more wireless base stations for transmitting and receiving wireless signals to and from these wireless terminals are connected. The radio terminal, when the radio base station covering the radio propagation area where the radio terminal itself is changed, the radio terminal with respect to the radio base station after the change,
A location registration requesting means for transmitting a location registration request including terminal identification information for identifying itself, and for a radio base station covering a radio propagation area in which it is located, including its own terminal identification information, And a resident registration request means for transmitting a resident registration request indicating that the mobile terminal is to remain in the radio propagation area.The radio base station, when the location registration request is transmitted from any of the radio terminals, A location registration transmitting means for transmitting the location registration request to the exchange, and when the resident registration request is transmitted from any of the wireless terminals, the location registration request is transmitted to the exchange. And a resident registration transmitting means for transmitting the location registration request. When the location registration request is transmitted from any one of the radio base stations, the exchange includes base station identification information for identifying the radio base station; and Position registration means for associating and storing the wireless terminal identification information included in the position registration request; and when the resident registration request is transmitted from any of the wireless base stations, the base station of the wireless base station A resident registration unit that stores identification information and terminal identification information included in the resident registration request in association with each other; and when the location registration request is transmitted from any of the wireless base stations, the location registration The terminal registration information that is the same as the terminal identification information included in the request is stored in the resident registration means, and the base station identification information stored in the resident registration means in association with the terminal identification information is the same as the terminal identification information. If the base station identification information of the wireless base station that transmitted the position registration request does not match, an alarm transmission that transmits an alarm signal including the terminal identification information to the wireless base station that transmitted the position registration request. Communication means, wherein the radio base station, when the alarm signal is transmitted from the exchange, transmits the alarm signal to a radio terminal indicated by terminal identification information included in the alarm signal. The wireless terminal further comprises: alarm sound output means for outputting an alarm sound to the outside when the alarm signal is transmitted from any of the wireless base stations. Characteristic wireless security system. 10. The wireless security system according to claim 9, wherein said wireless base station stores a predetermined alert destination telephone number for each terminal identification information of said plurality of wireless terminals. When the alarm signal is transmitted from the exchange, the alarm destination storage means stores the alarm signal in association with the terminal identification information included in the alarm signal via the exchange. And a warning destination transmitting means for transmitting a call to a telephone number. 11. A plurality of wireless terminals each of which is used in association with a security check target, and an exchange to which one or more wireless base stations for transmitting and receiving wireless signals to and from these wireless terminals are connected. The radio terminal, when the radio base station covering the radio propagation area where the radio terminal itself is changed, the radio terminal with respect to the radio base station after the change,
A location registration requesting means for transmitting a location registration request including terminal identification information for identifying itself, and for a radio base station covering a radio propagation area in which it is located, including its own terminal identification information, And a resident registration request means for transmitting a resident registration request indicating that the mobile terminal is to remain in the radio propagation area.The radio base station, when the location registration request is transmitted from any of the radio terminals, A location registration transmitting means for transmitting the location registration request to the exchange, and when the resident registration request is transmitted from any of the wireless terminals, the location registration request is transmitted to the exchange. And a resident registration transmitting means for transmitting the location registration request. When the location registration request is transmitted from any one of the radio base stations, the exchange includes base station identification information for identifying the radio base station; and Position registration means for associating and storing the wireless terminal identification information included in the position registration request; and when the resident registration request is transmitted from any of the wireless base stations, the base station of the wireless base station Identification information, and resident registration means for storing terminal identification information included in the resident registration request in association with each other; and storing a telephone number of a predetermined warning destination for each terminal identification information of the plurality of wireless terminals. Warning location storage means, and when the location registration request is transmitted from any one of the radio base stations, the same terminal identification information as the terminal identification information included in the location registration request. And the base station identification information stored by the resident registration means in association with the terminal identification information matches the base station identification information of the wireless base station that transmitted the location registration request. If not , Wireless security systems, characterized in that in association with the terminal identification information and a warning destination transmitting means for transmitting the telephone number the alert destination storage means has stored.