JPH09205674A - Radio notice system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow the system to detect a position of a thief stealing a radio communication equipment and also valuables or of a carrying person of the radio communication equipment from a remote location. SOLUTION: The system is made up of portable terminal slave sets 1, an indoor master set and plural radio communication base stations. The portable terminal slave set 1 is provided with a radio transmission means 10 making transmission by public radio communication to a radio communication base station, a periodic transmission control means 11 outputting periodically a transmission request signal. The position of the portable terminal slave set 1 is detected based on information of the radio communication base station receiving the transmission signal from the portable terminal slave set 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless notification system for obtaining position information of a portable terminal device using a simplified mobile phone system, which is a valuable item for VIP protection, wandering elderly people, and theft. It is related to the security system that is used to discover such things.

[0002]

2. Description of the Related Art A conventional security system of this type comprises a small wireless transmitter such as a pendant type and a wireless receiver for receiving a wireless signal from the small wireless transmitter. In such a conventional system, if a radio signal is intermittently transmitted from a small radio transmitter and the radio receiver can receive this radio signal, it is determined that the radio signal exists within the reception area of the radio receiver. . On the other hand, if the wireless signal from the small wireless transmitter cannot be received, the small wireless transmitter determines that it has gone out of the reception area of the wireless receiver and outputs an alarm sound.

Therefore, if the receiving area of the radio is set to an appropriate range, the small radio transmitter can be attached to the valuable and the alarm sound can be used to inform that the valuable is taken away. If an old man or an infant carried the small wireless transmitter, it was possible to know the going out by an alarm sound.

[0004]

However, since the conventional security system has only the function of judging whether it is within the reception area or outside the reception area, at the time when the alarm sound starts to be output, It was necessary to find the thief or protect the elderly or infant. That is, after that, when valuables were taken away to a slightly distant place or an old man started wandering, the conventional security system could no longer cope.

The present invention has been made in view of the above circumstances, and includes a stolen person who stole valuables and the like together with a wireless communication device,
It is an object of the present invention to provide a system for detecting the position of a wireless communication device carrier from a remote location.

[0006]

A communication terminal device according to the present invention as set forth in claim 1 is an indoor base unit connected to a telephone line, a plurality of wireless communication base stations for connecting to the telephone line, and It is a system applied in a simple mobile phone system configured by an indoor master unit or a portable terminal slave unit that performs wireless communication with the wireless communication base station, and the portable terminal slave unit is the wireless unit. The communication base station is configured to include a wireless transmission unit that performs transmission by public wireless communication, and a regular transmission control unit that periodically outputs a transmission request signal to the wireless transmission unit.

The regular transmission control means periodically outputs a transmission request signal, and the wireless transmission means performs transmission by public wireless communication based on the transmission request signal.
The portable terminal slave unit periodically outputs a transmission signal for public wireless communication. If any of the wireless communication base stations receives this transmission signal, it can be detected that the portable terminal slave unit is in the reception area of the wireless communication base station.

A communication terminal device according to a second aspect of the present invention is the radio notification system according to the first aspect,
The wireless transmission means is configured as a means for selectively wirelessly transmitting to either the indoor master device or the wireless communication base station, and the portable terminal slave device is a private wireless communication from the indoor master device. Wireless reception means for receiving the transmission signal by the wireless communication means, and a private communication judgment means for judging whether or not the private wireless communication with the indoor master device is possible based on the output of the wireless communication means.

If the wireless receiving means can receive the transmission signal by the private wireless communication, the private communication judging means judges that it is within the reception area of the indoor master unit, and the wireless transmitting means sends the private wireless signal to the indoor master unit. Send by communication. On the other hand, if the wireless reception means cannot receive the transmission signal by the self-employed wireless communication, the self-employed communication determination means determines that it is outside the reception area of the indoor master unit, and the wireless transmission means sends the wireless communication base station to the wireless communication base station. Send by public wireless communication.

Here, the self-employed wireless communication means wireless communication directly performed between the portable terminal slave unit and the indoor master unit. On the other hand, wireless communication performed through a wireless communication base station installed by a telecommunications carrier is called public wireless communication. A communication terminal device according to a third aspect of the present invention is the wireless notification system according to the first aspect, wherein the indoor master device receives a transmission signal from the portable terminal slave device by self-employed wireless communication. And a non-area display unit for displaying that the transmission signal by the private wireless communication from the portable terminal slave unit cannot be received.

When the wireless receiving means of the indoor master unit can receive the transmission signal from the portable terminal slave unit by the self-employed wireless communication, the outside-area display section is turned off, while when the reception signal cannot be received, the above-mentioned area is disabled. By turning on the external display unit, it is displayed whether or not the self-employed wireless communication with the portable terminal slave unit is possible. The communication terminal device according to the present invention as set forth in claim 4,
The wireless notification system according to any one of claims 1 to 3, further comprising an outdoor call display unit that displays that the indoor base unit has received an incoming call via a telephone line.

In this indoor master unit, when the portable terminal slave unit transmits by public wireless communication, the wireless communication base station receives this signal and a call signal is transmitted through the telephone line. The outdoor call display section lights up to indicate that there is a periodic transmission by public wireless communication. A communication terminal device according to the present invention described in claim 5 is the wireless notification system according to any one of claims 1 to 4, wherein the wireless communication base station receives a transmission signal from the portable terminal slave unit. In this case, the telecommunications carrier records and holds the information of the wireless communication base station and the information at the time of reception.

A communication terminal device according to a sixth aspect of the present invention is the wireless notification system according to any one of the first to fifth aspects, wherein the wireless receiving means of the portable terminal slave unit is a wireless communication base station. It is configured as a means for receiving a call signal from an indoor master unit that is wirelessly transmitted via a station, and the regular transmission control means starts or stops the periodic output of a transmission request signal based on the output of the wireless reception means. It is configured as a means for doing.

In this portable terminal slave unit, the wireless receiving means is
When the call signal from the indoor master unit via public wireless communication is received, the regular transmission control means starts or stops the periodic output of the transmission request signal, so that the public wireless communication is used from the indoor master unit to the portable terminal slave unit. The periodic transmission of can be controlled remotely. A communication terminal device according to a seventh aspect of the present invention is the wireless notification system according to the sixth aspect, wherein the portable terminal slave does not have a ringing means for outputting a ringing tone. When the call signal is received from the indoor base unit that is wirelessly transmitted via the wireless communication base station, the ringing tone is not output.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION First, a call system called a simple mobile phone system (PHS) has been put into practical use in recent years and is rapidly becoming widespread. FIG. 2 shows an outline of the system configuration of the simplified mobile phone system. In this system, the user has an indoor master unit and a portable slave unit, the indoor master unit is connected to a telephone station via a telephone line, and further, a plurality of wireless communication bases installed by a telecommunications carrier. Configured by connecting to the station.

The portable child device owned by the user can talk with the indoor master device by private wireless communication in the reception area of the indoor master device, while outside the reception area, the wireless communication base station and the telephone can be used. It is possible to talk to the indoor base unit via the line. That is, in general, indoors, while making a call with the indoor base unit by self-employed wireless communication, outdoors, if within the reception area of any wireless communication base,
It is possible to communicate with the indoor base unit through the wireless communication base and the telephone station.

The wireless notification system according to the present invention is applied to such a simple mobile phone system. FIG. 3 is a diagram showing an outline of a system configuration example of the wireless notification system according to the present invention. The small portable terminal slave unit 1 put in the bag together with the valuables performs periodic transmission to the indoor master unit 2 indoors by self-employed wireless communication,
When outdoors, regular transmission is performed via the wireless communication base station 3 and the telephone station 4.

Therefore, similarly to the conventional security system, not only the indoor base unit 2 can determine whether the portable terminal slave unit 1 is indoors or outdoors, but the telecommunications carrier can determine which wireless communication The base station 3 can detect whether or not it is received, and the approximate position of the portable terminal slave unit 1 can be known from the reception area.

FIG. 1 is a diagram showing an example of the structure of a main part of the portable terminal slave unit 1 shown in FIG. Portable terminal cordless handset 1
Includes a wireless transmission / reception unit 10, a regular transmission control unit 11, a self-employed communication determination unit 12, and a central control unit 13. The regular transmission control unit 11 is a unit configured to include a timer circuit, and is a unit that outputs a transmission request signal every elapse of a certain time. The self-employed communication determination unit 12 is a unit that determines whether or not self-employed communication with the indoor master device 2 is possible based on the output signal of the wireless transmission / reception unit 10 and outputs a transmission permission signal.

Based on the transmission request signal and the transmission permission signal, the central control unit 13 instructs the radio transmission / reception unit 10 to
The wireless transmission / reception unit 10 is means for outputting a transmission control signal.
Is means for performing wireless communication with the indoor master device 2 or the wireless communication base station 3 based on the transmission control signal. The central control unit 13 can be configured by a microcomputer alone or together with other means.

FIG. 4 is a diagram showing a configuration example of a main part of the indoor base unit 2 shown in FIG. The indoor base unit 2 includes a voice processing unit 20, a telephone line interface unit 21, and a display unit 2.
2, a call termination control unit 23, a wireless transmission / reception unit 24, and a central control unit 25. The telephone line interface unit 21 is a means for connecting to a public telephone line and performing communication through the public telephone line. The wireless transmission / reception unit 24 is means for performing self-employed wireless communication with the portable terminal slave unit 1. The voice processing unit 20 is means for converting a signal received by a telephone line or self-employed wireless communication into a voice signal and outputting the voice signal to a speaker, while converting a voice signal from a microphone into a transmission signal.

When the indoor master unit 2 receives a call from the telephone line, the incoming call disconnection control unit 23 determines whether the incoming call is from the portable terminal slave unit 1 based on the output from the telephone line interface unit 21. Is a means for automatically disconnecting the call. The display unit 22 is a portable terminal slave unit 1.
Out-of-area display means for displaying that is outside the area where self-employed wireless communication is possible, outdoor call display means for displaying an incoming call from the portable terminal slave unit 1 via a telephone line, and these display means And a drive circuit of the above.

FIG. 5 is a diagram showing an example of the appearance of the indoor base unit 2. Handset HS, dial push button D
B, an indoor base unit 2 for a simple mobile phone system equipped with a liquid crystal display unit LD and the like is provided with a light emitting diode LED1 as an outside area display means and a light emitting diode LED2 as an outdoor call display means. There is. The operations of the portable terminal slave unit 1 and the indoor master unit 2 will be described below.

First, the wireless transmission / reception unit 1 of the portable terminal slave unit 1
0 performs wireless transmission to the indoor master device 2 by self-employed wireless communication. This wireless transmission is periodically performed based on the transmission request signal from the regular transmission control unit 11. The indoor base unit 2 that has received this wireless signal is
Send a reply signal by self-employed wireless communication. When the wireless transmission / reception unit 10 receives this reply signal, the self-employed communication determination unit 12 of the portable terminal slave unit 1 determines that the portable terminal slave unit 1 is the indoor master unit 2
It judges that it is in the reception area of and does not output the transmission permission signal. However, if the wireless transmission / reception circuit 10 cannot receive the reply signal, it determines that it is outside the reception area of the indoor base unit 2 and outputs a transmission permission signal to the central control unit 13. The transmission permission signal is a signal that permits regular transmission to the wireless communication base station 3.

When the central control unit 13 receives the transmission permission signal from the self-employed communication determination unit 12, the control signal for performing wireless transmission to the wireless communication base station 3 based on the transmission request from the regular transmission control unit 11. Is output to the wireless transmission / reception unit 10. Therefore, the portable terminal child device 1 periodically wirelessly transmits a call signal to the wireless communication base station 3.

That is, if the portable terminal slave unit 1 is outside the reception area of the indoor master unit 2, a calling signal for the indoor master unit 2 is periodically sent from the portable terminal slave unit 1 to the wireless communication base station 3. While wirelessly transmitted, the portable terminal slave unit 1 is transferred to the indoor master unit 2
Within the reception area of 1, the transmission signal by the self-employed wireless communication is periodically sent from the portable terminal slave unit 1 to the indoor master unit 2, and the wireless transmission to the wireless communication base station 3 is not performed.

The signal transmitted to the indoor base unit 2 by public wireless communication is transmitted through the wireless communication base station 3 and the telephone station 4 in the same manner as a normal call signal of the portable simple telephone system.
It is transmitted to the indoor base unit 2. When the telephone line interface unit 21 of the indoor base unit 2 receives the call signal, the incoming call disconnection control unit 23 determines whether or not the call is from the portable terminal slave unit 1. As a result, if the call is from the portable terminal slave unit 1, the incoming call disconnection control unit 23 outputs a disconnection signal and the telephone line interface 21 disconnects the call.

In this way, when a communication path is formed between the portable terminal slave unit 1 and the indoor master unit 2 via the wireless communication base station 3 and the telephone station 4, the telecommunications carrier uses the mobile phone. It is possible to specify which of the plurality of wireless communication base stations the wireless communication base station 3 used by the mobile terminal slave device 1 is. Then, the portable terminal slave unit 1 exists within the reception area of the specified wireless communication base station.

Here, in the case of a simple mobile phone system,
Generally, the receiving area of each wireless communication base station is relatively small, about 100 m or within several hundred m. Therefore, it is possible to detect the position of the portable terminal slave unit 1 with relatively high accuracy. Next, basic operations of the portable terminal slave unit 1, the indoor master unit 2, and the wireless communication base station 3 will be described with reference to FIGS. 6 to 8.

Reference numerals 600 to 610 in FIG. 6 denote portable terminal slave units 1.
3 is a flowchart showing an example of the basic operation of FIG. First, the timer circuit of the regular transmission control unit 11 is counted up (600), and it is checked whether or not a predetermined time, for example, 1 hour, has elapsed as the periodic transmission interval (6).
01). As a result, if the predetermined time has elapsed, wireless transmission is performed to the indoor master device 2 by private wireless communication (602). After that, it is checked whether or not the reply signal from the indoor base unit 2 is received (603), and if it is received, the timer circuit is reset (604) and the count-up is started again (600).

On the other hand, if the reply signal is not received at 603, it is transmitted to the wireless communication base station 3 (605). This transmission is transmission of a calling signal in which the telephone number of the indoor base unit 2 is designated. As a result, when it is connected to the indoor base unit via the wireless communication base station 3 and the telephone station 4, (6
06), ID of portable terminal slave unit 1 to portable terminal slave unit 1
The code and data indicating that the transmission is from the outside are transmitted. This ID code is an identification number for identifying the portable terminal slave unit 1.

When the indoor base unit 2 receives these data, it automatically disconnects the communication line. Therefore, when the portable terminal subunit 1 detects this disconnection (607), it resets the timer circuit ( 608) and the counting up is started again (609). After that, based on the count value of the timer circuit, the transmission to the wireless communication base station 3 is performed every time a predetermined time as the periodic transmission interval elapses (60
5).

Reference numerals 700 to 708 in FIG. 7 are a flow chart showing an example of the basic operation of the indoor base unit 2. Indoor base unit 2
Checks whether it has received a transmission signal periodically transmitted from the portable terminal slave unit 1 by self-employed wireless communication (700), and if there is periodic transmission, turns off the outside area display means LED1 (701). , And wirelessly transmits a reply signal to the portable terminal slave unit 1 (702).

On the other hand, at 700, the portable terminal slave unit 1
If there is no periodic transmission from the device, the outside-area display means LED1 is turned on to display that the portable terminal slave unit 1 has been taken away and moved out of the reception area of the indoor master unit 2 (703). . Then, the public telephone line is monitored, and a call waiting state waiting for reception of a call signal from the portable terminal slave unit 1 is set (704). In this state, if a call signal from the portable terminal slave unit 1 is detected on the telephone line (705),
The outdoor call display means LED2 is turned on (706) to display that there is a periodical transmission from the portable terminal slave unit 1 located outdoors. After that, the line is disconnected (607), the LED 2 is turned off (608), and it is checked again whether the transmission signal periodically transmitted from the portable terminal slave unit 1 is received (70).
0).

Reference numerals 800 to 802 in FIG. 8 denote radio communication base stations 3.
3 is a flowchart showing an example of the basic operation of FIG. Upon receiving the call signal from the portable terminal slave unit 1, the wireless communication base station 3 transmits the call signal to the indoor master unit 2 via the telephone line based on the telephone number of the call signal. When the indoor master device 2 receives the call, the portable terminal slave device 1 and the indoor master device 2 are connected (801). After that, the indoor base unit 2
However, if the line is automatically disconnected (802), the call signal from the portable terminal slave unit 1 is monitored again (800).

A large number of wireless communication base stations 3 are installed, and one of the wireless communication base stations 3 closest to the portable terminal slave unit 1 receives the call signal from the portable terminal slave unit 1. . Among the plurality of wireless communication base stations 3, which is the telecommunications carrier, which wireless communication base station 3 is the portable terminal slave unit 1
Since it is possible to detect whether or not the calling signal from the mobile terminal has been received, the position where the portable terminal handset 1 has transmitted the calling signal is specified for each receiving area based on the information of the receiving area of the wireless communication base station. can do.

Therefore, by recording the information of the radio communication base station 3 that has received the call signal and the information of the received time, the movement route of the portable terminal slave unit 1 can be specified. In particular, even when the portable terminal slave unit 1 is not in the reception area of any of the wireless communication base stations 3 or is in a place where wireless transmission cannot be performed, such as indoors or in a tunnel, Then, the movement route up to that point is specified, and the rough position of the portable terminal slave unit 1 can be estimated.

Further, communication between the portable terminal slave unit 1, the indoor master unit 2, and the wireless communication base station 3 will be described with reference to FIGS. 9 and 10. FIG. 9 is a timing chart showing how data is transmitted and received among the portable terminal slave unit 1, the indoor master unit 2, and the wireless communication base stations 3a, 3b, 3c.
(A), (b) shows the situation when the portable terminal slave unit 1 is indoors, and (c) to (f), the portable terminal slave unit 1 goes out and moves. It shows the situation when doing.

In the indoor, transmission and reception by the private wireless communication are regularly performed between the portable terminal slave unit 1 and the indoor master unit 2 ((a) and (b) in the figure). When the portable terminal slave unit 1 is outdoors, and when the portable terminal slave unit 1 outputs a transmission signal when the portable terminal slave unit 1 does not enter the reception area of any wireless communication base station, a reply signal is output. Will not be returned ((c) in the figure). However, this portable terminal cordless handset 1
When the mobile terminal moves and enters the reception area of the wireless communication base station 3a, public wireless communication is performed between the mobile terminal slave unit 1 and the wireless communication base station 3a, and at the same time, between the indoor master unit 2 and the wireless communication base station 3a. A telephone line is used in. Even when the portable terminal slave unit 1 further moves and enters the reception areas of the wireless communication base stations 3b and 3c, communication is similarly performed via the wireless communication base stations 3b and 3c, respectively.

In this case, in (c) to (f), the outside area display means LED1 of the indoor base unit 1 is turned on, and (d) to
In (f), the outdoor call display means LED2 lights up when an incoming call arrives. If the telecommunications carrier detects the wireless communication base station used by the portable terminal slave 1 during communication, it can know that the portable terminal slave 1 exists in the reception area of the wireless communication base station. . For example, it is possible to obtain position information such that it exists near this town.

In particular, the portable terminal slave unit 1 stores the information of the wireless communication base stations 3a, 3b, 3c used by the portable terminal slave unit 1 in the communication so that the portable terminal slave unit 1 can be stored in the wireless communication base station 3a. It can be understood that the reception areas 3b, 3c have been moved in order. In addition, if the portable terminal slave unit 1 is stored and held together with the communication time information of the portable terminal slave unit 1, even if the portable terminal slave unit 1 is outside the reception area of all wireless communication base stations, the approximate It is possible to grasp the position of.

FIG. 10 shows an example of signal data transmitted and received between the portable terminal slave unit 1 and the indoor master unit 2. This transmission data is composed of a synchronization signal, an ID code, communication control data, a message and an error code, and these data are sequentially transmitted. The ID code is an identification number for identifying a plurality of portable terminal slaves 1 when there are a plurality of portable terminals. In the above message, the portable terminal cordless handset 1
If the signal is transmitted from the indoor master unit 2, at least one bit indicating that it is a periodical transmission is included, and if the signal transmitted from the indoor master unit 2, at least one bit indicating that it is a reply signal is included.

The data transmitted from the portable terminal slave unit 1 to the wireless communication base station 3 includes at least the ID code of the portable terminal slave unit 1 and one bit indicating that the transmission is from the outdoors. As described above, the ID code and 1-bit data are transmitted to the indoor master unit 2 via the telephone line. Next, a wireless communication system according to the present invention as set forth in claims 6 and 7 will be described. This system is a wireless notification system in which the indoor base unit 2 remotely controls the periodic transmission of the portable terminal slave unit 1.

In this system, the portable terminal slave unit 1
Is configured so that the regular transmission control unit 10 shown in FIG. 1 is provided with a regular transmission flag, and outputs the transmission request signal to the central control unit 13 only when the regular transmission flag is set. It is said that The regular transmission flag is a flag that is turned on / off based on the output of the wireless transmission / reception unit 10. That is, from the indoor base unit 2 to the portable terminal handset 1
When the portable terminal slave unit 1 is called by the telephone line by designating the telephone number of, the calling signal is transmitted from the wireless communication base station 3 to the portable terminal slave unit 1.

Based on this calling signal, the regular transmission control unit 11 changes the regular transmission flag from on to off, or from off to on. Therefore, when the position information of the portable terminal slave unit 1 is unnecessary, the regular transmission flag is turned off and the indoor master unit 2 is turned off by simply making a call from the indoor master unit 2 to the portable terminal slave unit 1. To stop the periodic transmission of. on the other hand,
Even when the positional information of the portable terminal slave unit 1 is needed when the regular transmission flag is in the OFF state, the indoor master unit 2 similarly calls the portable terminal slave unit 1 in the same manner. The regular transmission flag is turned on only by calling, and the regular transmission to the indoor base unit 2 is started.

Here, the portable terminal slave unit 1 has the wireless transmission / reception unit 10 and can receive the calling signal from the wireless communication base station. However, the ringing for notifying that the calling signal has been received. It is configured without any means and does not output a ringing tone even when a ringing signal is received. Therefore, the carrier of the portable terminal slave unit 1 does not know the call for toggling the regular transmission flag.

[0047]

In the wireless notification system according to the present invention as set forth in claim 1, the portable terminal slave unit can communicate with the range in which the portable telephone can be used, that is, the wireless communication base station of the simplified portable telephone system. If it is within the range, the indoor base unit is regularly notified. Therefore, it is possible to detect the approximate position of the portable terminal subunit in a wide range outdoors.

By attaching such a portable terminal slave unit to a valuable item, the approximate position of the stolen person can be grasped even in the case of theft, and the valuable item and the stolen person can be easily found. . Also, if an old man or an infant carries this portable terminal child device, it is possible to grasp the position when going out, so it is easy to do if the old man starts to wander or the infant gets lost. Can be protected.

Further, by carrying the portable terminal child device with the VIP, it is possible to grasp the approximate current position of the VIP in the case of being kidnapped, and the protection of the VIP becomes easy. The wireless notification system according to the second aspect of the present invention performs regular transmission by public wireless communication to the indoor master unit only when the portable terminal slave unit is outdoors. Therefore, it is possible to save the usage charge of the telephone line without unnecessarily capturing the telephone line of the indoor base unit.

In the wireless notification system according to the third aspect of the present invention, the fact that the transmission signal from the portable terminal slave unit by the private wireless communication cannot be received is displayed on the outside area display unit of the indoor master unit. Therefore, the indoor base unit can easily recognize whether the portable terminal slave unit is indoors or outdoors, and can know the theft of valuables or the outing of an old man.

In the wireless notification system according to the present invention as set forth in claim 4, it is displayed on the outdoor call display section of the indoor master unit that the portable terminal slave unit located outdoors is within the reception area of the wireless communication base station. To do. Therefore, in the indoor master unit, whether the portable terminal slave unit is within the reception area of the wireless communication base station,
You can easily understand if it is outside the area. The wireless notification system according to the present invention according to claim 5 records the information of the wireless communication base station which has received the transmission signal from the portable terminal slave unit and the information at the time of reception, thereby keeping the outdoor portable terminal. The movement route of the child device can be recorded. Therefore, even when the portable terminal slave is outside the reception area of the wireless communication base station, it is possible to estimate the approximate position of the portable terminal slave based on the recorded information.

In the wireless notification system according to the sixth aspect of the present invention, it is possible to control from the indoor base unit whether or not to perform regular transmission by public wireless communication. For this reason, the portable terminal slave unit can be made to perform periodical transmission as needed, and unnecessary telephone line usage charges can be saved. According to the seventh aspect of the present invention, the wireless notification system receives a ringing signal and starts and stops the regular transmission, but does not output the ringing tone when receiving. Therefore, when the valuables are stolen, it is possible to prevent the stolen person from being aware by the ringing sound that the portable terminal slave unit is attached to the valuables.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of a configuration of a main part of portable terminal child device 1 shown in FIG.

FIG. 2 is a diagram showing an outline of a system configuration of a simplified mobile phone system.

FIG. 3 is a diagram showing an outline of a system configuration example of a wireless notification system according to the present invention.

FIG. 4 is a diagram showing a configuration example of a main part of the indoor master device 2 shown in FIG.

5 is a diagram showing an example of an external appearance of the indoor master unit 2 shown in FIG.

FIG. 6 is a flowchart showing an example of a basic operation of the portable terminal child device 1.

FIG. 7 is a flowchart showing an example of a basic operation of the indoor master unit 2.

FIG. 8 is a flowchart showing an example of a basic operation of the wireless communication base station 3.

FIG. 9 is a timing chart showing how data is transmitted and received among the portable terminal slave unit 1, the indoor master unit 2, and the wireless communication base stations 3a, 3b, 3c.

FIG. 10 is a diagram showing an example of signal data transmitted and received between the portable terminal slave unit 1 and the indoor master unit 2.

[Explanation of symbols]

1 ・ ・ ・ Portable terminal slave unit 2 ・ ・ ・ Indoor master unit 3, 3a, 3b, 3c ・ ・ ・ Wireless communication base station 10 ・ ・ ・ Wireless transmitting means and wireless receiving means of the portable terminal slave unit 11 ・ ・・ Periodic transmission control means 12 ・ ・ ・ Self-employed communication judging means 24 ・ ・ ・ Indoor master wireless reception means LED1 ・ ・ ・ Outside area display LED2 ・ ・ ・ Outdoor call display

[Procedure amendment]

[Submission date] March 28, 1996

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claim 6

[Correction method] Change

[Correction contents]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Claim 7

[Correction method] Change

[Correction contents]

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction contents]

A communication terminal device according to a sixth aspect of the present invention is the wireless notification system according to any one of the first to fifth aspects, wherein the wireless receiving means of the portable terminal slave unit is a wireless communication base station. It is configured as means for receiving a ringing signal wirelessly transmitted via a station, and the regular transmission control means is configured as means for starting or stopping the periodic output of a transmission request signal based on the output of the wireless receiving means. It is said that

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction contents]

In this portable terminal slave unit, the wireless receiving means is
When the call signal by public wireless communication is received, the regular transmission control means starts or stops the periodic output of the transmission request signal. Therefore, it is possible to remotely control the regular transmission of the portable terminal slave unit by using public wireless communication. it can. A communication terminal device according to a seventh aspect of the present invention is the wireless notification system according to the sixth aspect, wherein the portable terminal slave does not have a ringing means for outputting a ringing tone. And does not output a ringing tone when receiving a ringing signal wirelessly transmitted via the wireless communication base station.

[Procedure Amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0052

[Correction method] Change

[Correction contents]

In the wireless notification system according to the sixth aspect of the present invention, whether or not the periodical transmission by the public wireless communication is performed can be controlled by the calling signal from the public wireless communication. For this reason, the portable terminal slave unit can be made to perform periodical transmission as needed, and unnecessary telephone line usage charges can be saved. According to the seventh aspect of the present invention, the wireless notification system receives a ringing signal and starts and stops the regular transmission, but does not output the ringing tone when receiving. Therefore, when the valuables are stolen, it is possible to prevent the stolen person from being aware by the ringing sound that the portable terminal slave unit is attached to the valuables.

Claims (7)

[Claims] 1. A portable unit for wireless communication between an indoor master unit connected to a telephone line, a plurality of wireless communication base stations connecting to the telephone line, and the indoor master unit or the wireless communication base station. In a simple mobile phone system configured with a mobile terminal slave unit, the mobile terminal slave unit performs wireless transmission to the wireless communication base station by public wireless communication, and wireless communication means to the wireless transmission unit. And a periodic transmission control unit that periodically outputs a transmission request signal, and based on the information of the wireless communication base station that has received the transmission signal from the portable terminal slave unit, the portable terminal slave unit A wireless reporting system characterized by detecting the position of. 2. The wireless notification system according to claim 1, wherein the wireless transmission unit is configured as a unit that selectively wirelessly transmits to either the indoor base unit or the wireless communication base station. Whether or not the portable terminal slave unit can perform the private wireless communication with the indoor master device based on the output of the wireless receiving means for receiving the transmission signal from the indoor master device by the private wireless communication and the wireless communication device. The mobile terminal slave unit performs public wireless communication to the wireless communication base station only when the portable terminal slave unit cannot perform private wireless communication to the indoor master unit. Wireless reporting system that 3. The wireless notification system according to claim 1, wherein the indoor master unit receives wirelessly transmitted signals from the portable terminal slave unit by private wireless communication, and the portable unit. It is provided with an out-of-area display unit that indicates that the transmission signal from the self-employed wireless communication from the mobile terminal slave unit cannot be received, and whether or not the self-employed wireless communication with the portable terminal slave unit is displayed on the indoor master unit Wireless reporting system that 4. The wireless notification system according to claim 1, wherein the indoor base unit is provided with an outdoor call display section for displaying that an incoming call has been received via a telephone line. A wireless communication system that displays that the wireless communication base station has received a transmission signal from the portable terminal slave unit. 5. The wireless notification system according to claim 1, wherein the information of the wireless communication base station that received the transmission signal from the portable terminal and the information at the time of reception are recorded and retained. A featured wireless reporting system. 6. The wireless notification system according to any one of claims 1 to 5, wherein the wireless reception means of the portable terminal slave unit wirelessly transmits a call signal from an indoor master unit via a wireless communication base station. Is configured as a means for receiving, the periodic transmission control means is configured as means for starting or stopping the periodic output of the transmission request signal based on the output of the wireless receiving means, and the portable terminal slave unit A wireless notification system, characterized in that periodical transmission is controlled based on a calling signal by the public wireless communication from the indoor base unit. 7. The wireless notification system according to claim 6, wherein the portable terminal slave unit is configured without ringing means for outputting a ringing tone, and wirelessly transmitted via a wireless communication base station. A wireless notification system that does not output a ringing tone when a call signal is received from an indoor base unit.