JP2000149175A - Guard system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the guard system which can specify a transmission device having sent a signal and find the occurrence of abnormality in a monitor area in its early stage if a receive signal for a fault, etc., of a telephone line or the transmission device can not be recognized. SOLUTION: The transmission device 30 and monitor device 50 of the guard system are connected by a general telephone network 40 and a telephone number notification service which informs a called subscriber of the telephone number of a calling subscriber side before the called subscriber side hangs on is used. If the alarm sent from the transmission device 30 can not be received correctly by the monitor device 50 since data of the kind of abnormality, the device number of the transmission device 30 sent as the abnormality are broken when the transmission device 30 sends an alarm to the monitor device 50, a monitor and control part 53 reads a stored telephone number out of a telephone number storage part 57 on condition that the device number included in the alarm is not stored as matching data in a data storage part 55, and matches the telephone number against the telephone number of the transmission device 30 stored in an individual information storage part 56; when the telephone number is stored in the individual information storage part 56, the stored data corresponding to the telephone number is read in and outputted to a notification part 54, and a clear signal is outputted to the telephone number storage part 57.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a security system for transmitting and receiving security information using a telephone line, and includes various kinds of detection means installed in a monitoring area, for example, a sensor for detecting illegal intrusion and a sensor for detecting fire. The present invention relates to a security system using a telephone number notification service, which, when a sensor detects an abnormality in a monitoring area, transmits the abnormality as an alarm to a remote monitoring center via a telephone line.

[0002]

2. Description of the Related Art Conventionally, various sensors installed in a monitoring area to detect a fire or intrusion in the monitoring area, and an operation device (key box, card reader, numeric keypad, etc.) for switching a security state of the monitoring area. And a transmitting device installed in a monitoring area, and a monitoring device installed in a monitoring center of a security company remote from the monitoring area, and a general telephone network connects between the transmitting device and the monitoring device. Connect and detect abnormalities such as illegal intrusion and fire in the monitoring area with various sensors,
There has been proposed a security system which transmits the abnormality as a warning to a remote monitoring center via a telephone line.

[0003]

However, in this type of conventional security system, when an alarm is transmitted from a transmitting device to a monitoring device, a failure of the transmitting device itself, noise generated on a telephone line, or the like causes a problem. In some cases, the monitoring device cannot recognize the alarm transmitted from the transmitting device.In this case, even if the monitoring device receives the alarm, the monitoring device cannot identify in which monitoring area the abnormality has occurred. It is not possible to accurately know the occurrence of an abnormality in the area; the monitoring device cannot notify the monitoring center of the monitoring center of the area in which the abnormality has occurred, although the monitoring device has received the alarm. There was a problem that the damage could be increased because the observer could not cope.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to transmit a signal even when a received signal cannot be recognized due to a failure of a telephone line or a transmitting device. It is an object of the present invention to provide a security system that can identify a transmitting device that has failed and can detect the occurrence of an abnormality in a monitored area at an early stage.

[0005]

The invention described in claim 1 of the present application is provided in a monitoring area, and detects a generation of an abnormal situation such as a fire or intrusion and outputs a detection signal;
A telephone number of at least one monitoring device installed in the monitoring area, which is a report destination, is stored in advance, and when a detection signal output by the detection means is input, the telephone number is transmitted to the telephone network, and a response signal from the telephone network is transmitted. And a transmitting device that transmits an alarm including at least preset identification information to the telephone network upon receiving the telephone number from the transmitting device, and transmits the telephone number of the transmitting device to the monitoring device when receiving the telephone number from the transmitting device. When the response signal is received, the response signal is transmitted to the transmitting device, and when an alert from the transmitting device is received, the identification information of one or a plurality of the transmitting devices is compared with a telephone network that transmits the alarm to the monitoring device. And the telephone number of the transmitting device corresponding to the identification information and the individual information of the monitoring area where the transmitting device is installed are stored in advance. When a telephone number from the telephone network is received, a response signal is transmitted to the telephone network, and when an alarm from the telephone network is received, whether or not identification information included in the alarm is stored as the collation data. Judge,
If the identification information is not stored as the verification data, the received telephone number is compared with a previously stored telephone number, and the individual information of the monitoring area corresponding to the telephone number is at least one of a character, a figure, and a voice. And a monitoring device that issues a notification.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In a security system according to the present invention, a transmission device and a monitoring device for constructing a security system are connected by a general telephone network, and a called party picks up a telephone call by a telecommunications carrier. Use a telephone number notification service that informs the called party of the calling party's telephone number beforehand.

The transmitting device switches the security state of the monitored area in response to an input signal from the operating device, stores the telephone numbers of at least one monitoring device that is the destination of the report in advance, and installs the telephone number in the monitored area. When the detection signal from the detector (sensor) is input, the telephone number of the monitoring device stored in advance is transmitted to the exchange constituting the telephone network according to the security state of the monitoring area. When it is confirmed that the telephone line with the monitoring device is connected based on the signal from the exchange, an alarm including at least information indicating the type and location of the abnormality and a device number assigned to each transmitting device. Is transmitted to the monitoring device via the telephone network.

[0008] When the monitoring device receives the alarm transmitted from the transmitting device, the monitoring device identifies the transmitting device that transmitted the alarm based on the device number included in the alarm, and stores the type of abnormality that has occurred and the pre-stored abnormality. The data such as the address and telephone number of the monitoring area where the transmitting device is installed is notified by at least one of characters, figures, and voices.

When an alarm is transmitted from a transmitting device to a monitoring device, for example, the alarm transmitted from the transmitting device is affected by noise generated in the telephone line, and the type and transmission of the abnormality transmitted as an alarm from the transmitting device. If the data such as the device number of the device is destroyed and the alarm transmitted from the transmitting device is not correctly received by the monitoring device, the monitoring control unit configuring the monitoring device uses the device number included in the alarm as the verification data storage unit as the verification data. If the telephone number is not stored in the telephone number storage unit, the telephone number stored in the telephone number storage unit is read, and the telephone number is compared with the telephone number of the transmitting device stored in the individual information storage unit. If the data is stored in the individual information storage unit, the data stored corresponding to the telephone number, that is, the data of the monitoring area where the transmitting device is installed is read, and Outputs the data to the broadcast unit, and outputs a clear signal to the telephone number storage unit. When the clear signal from the monitoring control unit is input, the telephone number storage unit
The stored telephone number is deleted, and the notification unit notifies the data of the monitoring area and various information input from the monitoring control unit to the monitoring person at the monitoring center by text, drawing, or voice.

Here, the connection operation of the telephone number notification system will be described according to the connection operation sequence of the telephone number notification service shown in FIG. First, when the caller places the telephone in an off-hook state, a call signal is transmitted to the caller's exchange. And
The caller sends the telephone number of the called party (called party) to the exchange. The exchange that has received the telephone number from the caller transmits a transmission notice signal for notifying that the telephone number of the caller is to be transmitted from the exchange on the callee side to the callee via the telephone line. The called party who has received the advance notice signal from the exchange returns a primary response signal to the exchange indicating that the telephone number is ready to be received. The exchange that has received the primary response signal from the called party transmits the telephone number of the calling party to the called party. Then, the telephone number is received by the receiver, and the receiver who has received all the telephone numbers returns a reception completion signal indicating that the telephone number has been received to the exchange. The called party can confirm who the calling party is by displaying the received telephone number in characters. The exchange that has received the reception completion signal from the called party transmits a calling signal to the calling party and the called party. When the called party who has received the call signal goes off-hook, a secondary response signal is returned to the exchange. This secondary response signal is transmitted to the caller's exchange, a response signal is transmitted from the caller's exchange to the caller, and the telephone line between the caller and the callee is connected. Communication becomes possible. In the case of terminating the communication, when the caller enters the on-hook state, a disconnection signal is transmitted to the switchboard on the caller side, and the line on the caller side is released. Then, the disconnection signal is transmitted to the called party via the called party's exchange, and when the called party is in the on-hook state, the called party sends a call termination signal to the exchange, and all lines are released.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the security system according to the present invention will be described below. FIG. 2 shows the configuration of the security system.
In FIG. 2, the security system 1 includes monitoring areas Z1, Z
, ..., ZN, and various sensors 10a, 10
b,..., 10n, and the operating device 2
0, a transmitting device 30, a monitoring device 50 installed in a monitoring center of a security company located at a place remote from the monitoring area, and a general switch including the switching device 41 connecting the transmitting device 30 and the monitoring device 50. It is constructed by the telephone network 40.

The sensors 10a, 10b,..., 10n
Detects information related to crime prevention, disaster prevention and equipment management in the monitoring areas Z1, Z2,..., ZN and outputs a detection signal.

The operation device 20 is composed of a key box, a card reader, a numeric keypad, etc., and outputs a security start signal or a security release signal for switching a monitored area to a security state or a release state in accordance with an operation of an operator. .

The transmitting device 30 includes monitoring zones Z1, Z
.., ZN, a transmission control unit 31, a first communication control unit 32, a first transmission / reception unit 33, an automatic dial unit 3
And 4.

The transmission control section 31 sets the monitoring zones Z1, Z2,..., ZN to a security state or a release state in response to the input of a security start signal or a security release signal from the operation device 20. Switch. Further, the sensors 10a,
When the detection signal from 10b,..., 10n is input, if the monitoring area is in a security state, an alarm including information indicating the type and location of the abnormality and a device number given in advance for each transmission device is issued. It outputs to the first communication control unit 32 and outputs an activation signal to the automatic dial unit 34 to activate the automatic dial unit 34.

When the telephone number from the automatic dial section 34 is input, the first communication control section 32 outputs the telephone number to the first transmitting / receiving section 33. When a response signal from the exchange 41 is input via the first transmission / reception unit 33 and the telephone line 70B is connected to the monitoring device 50, the first communication control unit 32 sets the transmission control unit 3
The alarm input from 1 is output to the first transmission / reception unit 33.

The first transmission / reception unit 33 transmits an input signal from the first communication control unit 32 to the exchange 41 constituting the telephone network 40 via the telephone line 70A, and sends a response signal from the exchange 41. Is received, the response signal is output to the first communication control unit 32.

The automatic dial unit 34 stores in advance the telephone numbers of at least one monitoring device 50 that is the destination of the report, and when a start signal is input from the transmission control unit 31, the stored telephone numbers are stored. The number is output to the first communication control unit 32.

The monitoring device 50 includes a second transmitting / receiving unit 5
1, second communication control unit 52, monitoring control unit 53, notification unit 5
4. It comprises a collation data storage unit 55, an individual information storage unit 56, and a telephone number storage unit 57.

The second transmission / reception unit 51 transmits an input signal from the second communication control unit 52 to a telephone line 70.
B to the exchange 41, receives a signal (sending notice signal, telephone number, call signal, disconnection signal; see FIG. 1) transmitted from the exchange 41, and receives the signal from the second communication control unit 5.
Output to 2.

The second communication control unit 52 outputs the telephone number input via the second transmission / reception unit 51 to the monitoring control unit 53, and outputs the telephone number to the second transmission / reception unit 51.
Based on the signal from the exchange 41 input through the communication unit 41, a line connection operation with the transmission device 30 is performed, and an alarm input from the second transmission / reception unit 51 is output to the monitoring control unit 53.
Output to

When the telephone number is input from the second communication control unit 52, the monitoring control unit 53 outputs the telephone number to the telephone number storage unit 57. The alarm transmitted from the transmitting device 30 is transmitted to the second communication control unit 52.
When the input is input via the device, the device number included in the alarm is collated with the collation data stored in the collation data storage unit 55 to identify the transmitting device that has transmitted the alarm, and stored in the individual information storage unit 56. .., ZN in which the transmission device is installed. Then, the type of abnormality, data of the monitored area, and the like are output to the notification unit 54 and the telephone number storage unit 57 is output.
Output a clear signal. If the device number included in the alarm is not stored in the verification data storage unit 55 as verification data, the telephone number stored in the telephone number storage unit 57 and the telephone number stored in the individual information storage unit 56 are stored. The telephone number of the transmitting device 30 that performs the communication is collated, and data of the monitoring area corresponding to the telephone number is output to the notification unit 54. At this time, a message or the like indicating that the received alarm has been destroyed for some reason may be output to the notification unit 54.

The notification unit 54 notifies the type of alarm output from the monitoring control unit 53, the data of the monitored area, and the like by text, figures, or voice.

The collation data storage unit 55 stores the device number of the transmitting device 30 as collation data.

The individual information storage unit 56 stores the telephone number of the transmission device 30 corresponding to the device number of the transmission device 30 stored in the collation data storage unit 55 and the monitoring zone Z1 where each transmission device 30 is installed. Data such as addresses of Z2,..., ZN, and plan views of monitored areas are stored.

The telephone number storage unit 57 stores the telephone number when the telephone number is input from the monitoring control unit 53, and deletes the stored telephone number when the clear signal is input from the monitoring control unit 53. I do.

[Operation] Next, the operation of the security system of the present invention will be described with reference to the connection operation sequence of the telephone number notification service shown in FIG. 1 and the flowcharts shown in FIGS.

Now, the monitoring zones Z1, Z2,... ZN
Is in a security state, for example, when there is an intruder in the monitored area Z1 and the sensor 10a detects intrusion into the monitored area Z1 and outputs a detection signal, the detection from the sensor 10a in the monitored area Z1 is performed. Transmitting device 30 to which the signal has been input
(S101), confirms that the monitored area Z1 is in a security state (S102), outputs an alarm to the first communication control unit 32 (S103), and sends an activation signal to the automatic dial unit 34. Is output (S104). Note that the detection signal from the sensor 10a is not input, and the operating device 2
When a security release signal from 0 is input (S105),
The monitoring zone Z1 is switched to the release state (S106). The automatic dial unit 34 to which the activation signal has been input outputs the telephone number of the monitoring device 50 stored in advance to the first communication control unit 32.

The first communication control unit 32 includes a transmission control unit 31
When an alarm is input (S201), the alarm is held (S202), and when a telephone number is input from the automatic dial unit 34 (S203), the telephone line 70A is turned off-hook and transmitted to the first transmitting / receiving unit 33. A call signal is output, and this telephone number is output (S204). Then, the first transmitting / receiving section 33 converts this input signal into the telephone line 70.
A is transmitted to the exchange 41 configuring the telephone network 40 via A.

When the exchange 41 receives the calling signal and the telephone number (S301, S302), the transmission notice indicating that the telephone number of the transmitter, ie, the transmitting device 30, is transmitted to the monitoring device 50 via the telephone line 70B. The signal is transmitted to the monitoring device 50 (S303). If the telephone number is not received from the transmitting device 30 in step 302 and a disconnection signal is received from the transmitting device 30 (S316), the telephone line 70A with the transmitting device 30 is released.

The second communication control unit 52 of the monitoring device 50
When a transmission notice signal from the exchange 41 is input via the second transmission / reception unit 51 (S401), a first response signal (primary response signal) is returned to the exchange 41 via the second transmission / reception unit 51 (S401). S402).

When the exchange 41 receives the first response signal from the monitoring device 50 (S304), the transmission device 30
Is transmitted to the monitoring device 50 (S305). If the primary response signal from the monitoring device 50 is not received in step 304 and the disconnection signal from the transmitting device 30 is received (S317), the disconnecting signal is transmitted to the monitoring device 50 (S313), and the transmitting device is transmitted. The telephone line 70A between the telephone line 30 and the telephone line 30 is released. Then, upon receiving the end signal from the monitoring device 50 (S314), the telephone line 70B with the monitoring device 50 is released (S315), and the communication is terminated.

In step 305, when the telephone number of the transmitting device 30 transmitted from the exchange 41 is input to the second communication control unit 52 via the second transmission / reception unit 51 (S403), the second communication control unit 52 , The telephone number to the monitoring control unit 53
(S404) and the second transmission / reception unit 51
And returns a reception completion signal indicating that the telephone number has been received to the exchange 41 (S405). When the disconnection signal is input and the telephone number of the transmitting device 30 is not input in step 403, the second communication control unit 52 (S41).
2) A call termination signal is transmitted to the exchange 41 via the second transmission / reception unit 51 (S413).

The monitoring control unit 53 includes a second communication control unit 52
When a telephone number is input (S501), the telephone number is output to the telephone number storage unit 57 (S502). When a telephone number is input from the monitoring control unit 53, the telephone number storage unit 57 stores the telephone number.

When receiving the reception completion signal from the monitoring device 50 (S306), the exchange 41 transmits a calling signal to the transmitting device 30 and the monitoring device 50 (S307). If the reception completion signal from the monitoring device 50 is not received and the disconnection signal from the transmission device 30 is received in step 306 (S318), the disconnection signal is transmitted to the monitoring device 50 (S313), and the transmission device is transmitted. The telephone line 70A between the telephone line 30 and the telephone line 30 is released. Then, when the end signal is received from the monitoring device 50 (S314), the telephone line 70B with the monitoring device 50 is released (S315), and the communication is terminated.

When the second transmitting / receiving section 51 receives the calling signal from the exchange 41, it outputs the calling signal to the second communication control section 52. When the call signal is input (S406), the second communication control unit 52 returns a second response signal (secondary response signal) to the exchange 41 via the second transmission / reception unit 51 (S407). If the call signal is not input and the disconnection signal is input in step 406 (S414),
An end signal is transmitted to the exchange 41 via the second transmission / reception unit 51 (S415), and an end signal is also output to the monitoring control unit 53 (S416).

When the exchange 41 receives the second response signal (S308), it transmits a response signal to the transmitting device 30 (S309), and connects the telephone lines 70A and 70B between the transmitting device 30 and the monitoring device 50. , Transmitting device 30 and monitoring device 5
Communication between 0 is communicable. If the second response signal from the monitoring device 50 is not received and the disconnection signal from the transmitting device 30 is received in step 308 (S31).
9) While transmitting a disconnection signal to the monitoring device 50 (S
313), the telephone line 70A with the transmitting device 30 is released. Then, when the end signal is received from the monitoring device 50 (S314), the telephone line 70B with the monitoring device 50 is released (S315), and the communication is terminated.

Upon receiving the response signal from the exchange 41, the first transmission / reception section 33 of the transmission device 30 outputs the response signal to the first communication control section 32. First communication control unit 3
2 receives the response signal from the first transmission / reception unit 33 (S205), outputs the alarm input from the transmission control unit 31 to the first transmission / reception unit 33 (S206), and outputs the alarm to the first transmission / reception unit 33. Is transmitted to the exchange 41 via. If the monitoring device 50 cannot communicate with the other transmitting device 30 because it is communicating with the other transmitting device 30, a busy signal is transmitted from the exchange 41 to the transmitting device 30. When the busy signal is input via the first transmitting / receiving unit 33, the first communication control unit 32 (S2
08), and outputs a disconnection signal to the first transmitting / receiving section 33 (S2).
09), once the connection operation of the telephone line is stopped, the process returns to step 204, and the connection operation of the telephone line is performed again. The exchange 41 receives the alarm from the transmitting device 30 (S3).
10), and sends the alarm to the monitoring device 50 (S31).
1).

When the second transmission / reception unit 51 of the monitoring device 50 receives the alarm from the exchange 41, it outputs the alarm to the second communication control unit 52. The second communication control unit 52
When an alarm from the transmitting / receiving unit 51 is input (S408),
The warning is output to the monitoring control unit 53 (S409).

The monitoring control unit 53 includes a second communication control unit 52
(S503), the device number of the transmitting device 30 and the verification data storage unit 5 included in the warning are input.
5 is compared with the matching data stored in S5 (S50).
4). If the device number is stored as collation data (S505), the data of the monitoring zone Z1 in which the transmitting device 30 is installed, which is stored in the individual information storage unit 56 corresponding to the collation data, is read ( S506), and outputs information indicating the type and location of the abnormality included in the data and the alarm to the notifying unit 54 (S507). Further, a clear signal is output to the telephone number storage unit 57 (S5).
08). When the clear signal is input from the monitoring control unit 53, the telephone number storage unit 57 deletes the stored telephone number. The notification unit 54 notifies the data of the monitoring area and various types of information input from the monitoring control unit 53 to a monitoring person at the monitoring center by text, figures, or voice.

The first communication control unit 32 of the transmitting device 30
When the transmission of the alarm to the monitoring device 50 ends, a disconnection signal is transmitted to the exchange 41 via the first transmission / reception unit 33 (S
207). Upon receiving the disconnection signal from the transmitting device 30 (S312), the exchange 41 opens the telephone line 70A with the transmitting device 30 and transmits the disconnecting signal to the monitoring device 50 (S313). When receiving the disconnection signal, the second transmitting / receiving unit 51 of the monitoring device 50 outputs the disconnection signal to the second communication control unit 52. The second communication control unit 52 receives the disconnection signal from the second transmitting / receiving unit 51 (S41).
0), the telephone line 70B is set to an on-hook state, and a call end signal is transmitted to the exchange 41 via the second transmitting / receiving unit 51 (S411). When the switch 41 receives the end signal (S314), the telephone line 70B between the switch 41 and the monitoring device 50 is released, and all communication ends (S31).
5).

In the above case, when transmitting an alarm from the transmitting device 30 to the monitoring device 50, for example, the transmitting device 30
Transmitted from the transmission device 30 is affected by the noise generated in the telephone line, and the data such as the type of abnormality and the device number of the transmission device 30 transmitted as an alarm from the transmission device 30 are destroyed. The alarm may not be correctly received by the monitoring device 50 (when the monitoring control unit 53 of the monitoring device 50 receives the alarm from the second communication control unit 52 in step 503, the transmission device 30 included in the alarm is not included). (S504), however, since the device number of the transmitting device 30 included in the alarm has been destroyed by the influence of noise, the collation data is compared with the collation data stored in the collation data storage unit 55. There is no match even if it is collated.) In this regard, in this example, the monitoring control unit 5
If the device number included in the alarm is not stored in the verification data storage unit 55 as verification data in step 505, the telephone number stored in the telephone number storage unit 57 is read, and the telephone number and the individual information storage are performed. The telephone number of the transmitting device 30 stored in the unit 56 is collated (S509).
As a result, if the telephone number is stored in the individual information storage unit 56 (S510), the data stored corresponding to the telephone number, that is, the data of the monitoring zone Z1 where the transmitting device 30 is installed. Is read (S511), the data is output to the notification unit 54 (S512), and a clear signal is output to the telephone number storage unit 57 (S51).
3). At this time, a message or the like indicating that the received alarm has been destroyed for some reason may be output to the notification unit 54.

When a clear signal is input from the monitoring control unit 53, the telephone number storage unit 57 deletes the stored telephone number.

The notifying section 54 notifies the data of the monitoring area and various kinds of information inputted from the monitoring control section 53 to the monitoring person at the monitoring center by characters, figures or voices.

In step 503, the monitor control unit 53 determines whether an alarm has not been input and an end signal has been input from the second communication control unit 52, or that the apparatus number has not been stored as verification data in step 505. If the telephone number is not stored in the individual information storage unit 56 in step 510 and a call termination signal is input from the second communication control unit 52 (S514), a clear signal is sent to the telephone number storage unit 57. It outputs (S515).

[0046]

According to the present invention, the contents of the alarm received by the monitoring device cannot be recognized due to the failure of the telephone line or the transmitting device by using the telephone number notification system according to the present invention. Also, it is possible to identify the transmitting device that has transmitted the alarm, to detect the occurrence of an abnormality in the monitored area at an early stage, and to quickly prevent the damage from being caused by the abnormality.

[Brief description of the drawings]

FIG. 1 is a connection operation sequence of a telephone number notification service.

FIG. 2 is a block diagram showing a configuration of a security system of the present application.

FIG. 3 is a flowchart of a transmission control unit configuring a transmission device that constructs the security system of the present application.

FIG. 4 is a flowchart of a first communication control unit constituting the transmission device that constructs the security system of the present application.

FIG. 5 is a flowchart of a telephone network exchange that constructs the security system of the present application.

FIG. 6 is a flowchart of a second communication control unit configuring the monitoring device that constructs the security system of the present application.

FIG. 7 is a flowchart of a monitoring control unit configuring a monitoring device that constructs the security system of the present application.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Security system 10 Detecting means 20 Operating device 30 Transmitting device 31 Transmission control unit 32 First communication control unit 33 First transmitting and receiving unit 34 Automatic dial unit 40 Telephone network 41 Exchange 50 Monitoring device 51 Second transmitting and receiving unit 52 Second Communication control unit 53 monitoring control unit 54 notification unit 55 verification data storage unit 56 individual information storage unit 57 telephone number storage unit

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference) KK13 LL01 MM07 NN16 NN18 NN21 PP03 RR12 RR21 TT01 VV06

Claims (1)

[Claims] 1. A detecting means installed in a monitoring area and detecting the occurrence of an abnormal situation such as a fire or an intrusion and outputting a detection signal, and a telephone of at least one monitoring apparatus installed in the monitoring area and being a notification destination The telephone number is stored in advance, and when a detection signal output by the detection means is input, the telephone number is transmitted to the telephone network, and when a response signal from the telephone network is received, an alarm including at least preset identification information is issued to the telephone network. Transmitting a telephone number of the transmitting device to the monitoring device when receiving a telephone number from the transmitting device, and transmitting the response signal to the transmitting device when receiving a response signal from the monitoring device, A telephone network for transmitting the alarm to the monitoring device when receiving the alarm from the transmitting device, and storing, in advance, identification information of one or a plurality of the transmitting devices as collation data; The telephone number of the transmitting device corresponding to the identification information and the individual information of the monitoring area where the transmitting device is installed are stored in advance, and when a telephone number from the telephone network is received, a response signal is transmitted to the telephone network. Upon receiving an alarm from the telephone network, it is determined whether or not the identification information included in the alarm is stored as the collation data. If the identification information is not stored as the collation data, the received telephone A security system comprising: a monitoring device that compares a telephone number with a telephone number stored in advance and reports individual information of a monitoring area corresponding to the telephone number by at least one of a character, a figure, and a voice. .