JP2872164B2 - Emergency call system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency notification system, and more particularly to an emergency signal transmitted by a terminal owner in an emergency at a relay station and a base station, and also notifies the terminal of the reception of the emergency signal. It relates to an emergency call system.

[0002]

2. Description of the Related Art In recent years, factories and the like have been promoted to be unmanned. Especially, at night and on holidays, there are few maintenance staff, and there is no person in the monitoring room where the fixed radio station is installed. Has been raised.

One example of such a measure is disclosed in
According to the “abnormality notification method” described in JP-A-303526, the relay station receives a signal transmitted when the owner of the portable terminal presses the switch, displays the signal on the monitoring station,
A technique is described for notifying an emergency signal or automatically connecting to a telephone.

FIG. 3 is a block diagram showing a conventional emergency call system.

Referring to FIG. 3, a mobile station 21 which can carry and transmit radio waves, a receiving amplifier 22 for receiving radio waves, a wireless fixed station 23, a wired paging main unit 30, a dedicated telephone 26, and a subscriber telephone 29 An automatic telephone exchange 28 for exchanging telephone lines, an automatic dialing device 27 having a built-in message recording function, a telephone adapter 25 for starting connection to these telephone lines, and a connection switching between the wireless fixed station 23. And a connection switch 24.

Next, the operation will be described.

When an emergency occurs, radio waves are transmitted by pressing a key of the mobile station 21 carried by the patrol roller. The radio waves are received and amplified by the receiving amplifier 22 and input to the wireless fixed station 23. The wireless fixed station 23 operates by radio waves, and sends an ON signal to the telephone
5 The telephone adapter 25 is activated by the ON signal received from the wireless fixed station 23, sends out a calling signal to the dedicated telephone 26, and sends an activation signal to the automatic dial device 27 at the same time. The automatic dialing device 27 performs automatic dialing according to a start signal from the telephone adapter 25, activates the automatic telephone exchange 28, and calls a predetermined telephone set 29. When the dedicated telephone 26 responds, it becomes possible to talk with the patroller. If the telephone set 29 responds,
An emergency message recorded in advance is sent from the automatic dialing device 27.

As described above, in general, a relay station receives a signal transmitted when an owner having a terminal presses a switch, and the transmitted signal is collected by a base station that polls a plurality of relay stations. You. The contents of the collected outgoing signals from a plurality of terminals are displayed on a monitoring station to notify the occurrence of an emergency or automatically connected to a telephone. However, there is no method for confirming whether the transmission signal from the terminal has been reported to a higher order.

[0009]

In the above-mentioned conventional emergency call system, since there is no means for confirming after the call because of one-way call, the terminal owner (mobile station) presses a switch to make an emergency call. It has a drawback that it is not known whether a notification has been made to a relay station or a monitoring station.

[0010] It is an object of the present invention to provide an emergency notification system which can surely confirm that a relay has been reported to a relay station or a monitoring station when a terminal owner depresses a switch and makes an emergency call when an emergency occurs. is there.

[0011]

SUMMARY OF THE INVENTION An emergency call system according to the present invention comprises a plurality of terminals for transmitting outgoing signals within a single block; and a plurality of terminals located within a communication block of these terminals for receiving the outgoing signals. Then, a relay station displaying a reception indication signal; a base station transmitting a polling signal to a plurality of the relay stations located in a plurality of blocks, and receiving the reception indication signal as an outgoing signal acceptance message; A monitoring station that is connected and identifies and displays the outgoing signal acceptance message collected by the base station for each of the plurality of terminals and outputs a command of the polling signal.

A switch for activating the transmission signal; a CPU for adding a self-identification signal to the switch operation signal to generate terminal data; and transmitting the terminal data as the transmission signal. A transmission unit; and an antenna connected to the transmission unit.

The relay station includes a receiving antenna; a receiving unit connected to the antenna for receiving the transmission signal;
A display for displaying the terminal data output by the receiving unit as the reception display signal; a transmission / reception unit for receiving the polling signal and transmitting the reception display signal as the transmission signal reception message in response to the polling signal; An antenna connected to a transmission / reception unit; and a CPU for controlling and processing the reception unit, the transmission / reception unit, and the display unit.

A transmitting / receiving section for transmitting the polling signal and receiving the transmission signal reception message; a transmitting / receiving antenna connected to the transmitting / receiving section; and a CPU for controlling and controlling the transmitting / receiving section and the monitoring station. And;

A plurality of terminals for transmitting outgoing signals and transmitting and receiving response signals within a single block; and located within a communication block range of these terminals, receiving the outgoing signals and transmitting the response signals. A relay station for transmitting to the terminal;
A base station transmitting a polling signal to the plurality of relay stations located in a plurality of blocks, and receiving the transmission signal received by the relay station as a transmission signal reception message;
A monitoring station connected to the base station for identifying and displaying the transmission signal reception message collected by the base station for each of the plurality of terminals and outputting a command of the polling signal.

A switch for activating the transmission signal; a CPU for adding a self-identification signal to the switch operation signal to generate terminal data and display the response signal; A display for displaying a response signal; a transmission / reception unit for transmitting the terminal data as the transmission signal and receiving the response signal; and an antenna connected to the transmission / reception unit.

The relay station includes a first transmitting / receiving antenna; a first transmitting / receiving unit connected to the antenna for receiving the transmission signal and transmitting the response signal; and receiving the polling signal. A second transmission / reception unit for transmitting the transmission signal as a transmission signal reception message in order to respond to the transmission signal; a second transmission / reception antenna connected to the transmission / reception unit; and controlling and processing the first and second transmission / reception units. CP
U and;.

A transmission / reception unit for transmitting the polling signal and receiving the transmission signal reception message; a transmission / reception antenna connected to the transmission / reception unit; and a CPU for controlling and controlling the transmission / reception unit and the monitoring station. And;

[0019]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of the emergency call system of the present invention.

In this embodiment shown in FIG. 1, a portable terminal 1, 1a and a relay station 2 in a zone 6, 6a indicating a communication range for receiving a transmission signal transmitted from the terminal 1, 1a. , 2a, a base station 4 for transmitting and receiving to and from the relay stations 2, 2a, and a monitoring station 5 for monitoring the relay stations 2, 2a and the terminals 1, 1a connected thereto via the base station 4. I have.

The zone 6 to which the relay station 2 and the terminal 1 belong is intended for a large work room or a floor.

The portable terminal 1, 1a is about the size of a cigarette case, is always carried by an operator, and
Since 2a is located on the same floor, the operator has easy access to the relay stations 2 and 2a.

Next, the operation of the present embodiment will be described in more detail with reference to FIG.

When the emergency call switch 7 of the terminal 1 is pressed, the CPU 9 detects this and outputs a terminal signal to which its own terminal ID number is added to the transmitting unit (TX) 10. The transmitting unit (TX) 10 transmits the terminal signal as a transmission signal from the antenna 11 to the nearby relay station 2. In the relay station 2, the transmission signal is received by the reception unit (RX) 13 via the antenna 12, and the terminal signal is output. The CPU 14 processes the terminal signal and displays the signal on the display 3 as a reception message of the transmission signal. When receiving the polling signal from the base station 4, the CPU 14 outputs the transmission signal reception message displayed on the display 3 to the transmission unit (TRX) 15 as a response signal, and transmits the transmission signal reception message from the antenna 16 to the base station 4.

The base station 4 receives the transmission signal reception message via the antenna 17 at the transmission / reception unit (TRX) 18 and outputs it to the CPU 19 for signal processing. The CPU 19 sends the processed transmission signal reception message to the monitoring station 5.

A communication range in which a transmission signal reaches one relay station from each terminal is called a zone. The relay station receives and displays transmission signals transmitted from a plurality of terminals existing in one zone, and transmits these transmission signal acceptance messages to the base station when receiving a polling signal from the base station.

The transmission signal transmitted by the terminal 1 includes a terminal ID number indicating the terminal 1. The response signal from the relay station 2 to the base station 4 includes a relay station ID number indicating the relay station 2.

One base station 4 is composed of a plurality of relay stations 2, 2a,
.., 2b (not shown), the monitoring station 5 issues a polling command to the base station 4, and under the control of the CPU 19 of the base station 4, sends a polling signal to each relay station (TRX). 18. Transmit via the antenna 17. As a response to this polling signal, each of the relay stations 2, 2
The transmission signal reception message indicated by a is collected.

The transmission signal acceptance message of each terminal collected from each relay station by the polling signal is sent to the monitoring station 5 and displayed on the monitor screen of the monitoring station 5. Since the ID number is added to the displayed transmission signal reception message, the monitoring station 5 confirms which relay station (zone) has transmitted which emergency transmission signal to which terminal. The monitoring station 5 determines that the situation is an emergency and dispatches the emergency to the corresponding zone.

As described above, the range of the zones 6 and 6a is about the indoor floor, and the distance is short, so that the user carrying the terminal easily goes to the relay stations 2 and 2a and the display is performed. The display of the transmitted signal reception message can be reliably recognized by the display 3 of the relay stations 2 and 2a.

Since the operation in the zone 6a is the same as described above, the description is omitted here.

FIG. 2 is a block diagram showing a second embodiment of the present invention.

Referring to FIG. 2, portable terminals 21 and
1a, a relay station 22, 22a in a zone 36, 36a indicating a communication range for receiving a transmission signal transmitted from the terminal 21, 21a, a base station 4 for transmitting and receiving to and from the relay station 22, 22a, Relay station 22, 22a via station 4
And a monitoring station 5 for monitoring the terminals 21 and 21a connected thereto. In FIG. 2, components corresponding to the components shown in FIG. 1 are given the same reference numerals or symbols, and description thereof will be omitted.

The zone 36 to which the relay station 22 and the terminal 21 belong is intended for a large work room or a floor.

The portable terminals 21 and 21a are about the size of a cigarette case, are always carried by the worker, and the relay stations 22 and 22a are located on the same floor. Access to the station is at an easy distance.

Next, the operation of the present embodiment will be described in more detail with reference to FIG.

When the emergency call switch 32 of the terminal 21 is pressed, the CPU 29 detects this and outputs a terminal signal to which the own terminal ID number is added to the transmission / reception unit (TRX) 30. The transmission / reception unit (TRX) 30 transmits this terminal signal as an outgoing signal from the antenna 31 to the nearby relay station 22. In the relay station 22, the transmission signal is received by the transmission / reception unit (TRX) 23 via the antenna 27 and the terminal signal is output. C
The PU 24 performs signal processing on the terminal signal, and upon receiving a polling signal from the base station 4, outputs a transmission signal reception message to the transmission / reception unit (TRX) 25 as a polling response signal, and transmits the message to the base station 4 from the antenna 26.

The base station 4 receives the transmission signal reception message via the antenna 17 at the transmission / reception unit (TRX) and outputs it to the CPU 19 for signal processing. The CPU 19 is the monitoring station 5
Outgoing signal reception message that has been processed.

After transmitting the signal reception message to base station 4, relay station 22 transmits and receives the signal reception message (TRX) 2 at the same time.
3. The reception response signal is transmitted to the terminal 21 via the antenna 27. The terminal 21 receives the reception response signal from the relay station 22 via the antenna 31 at the transmission / reception unit (TRX) 30, processes the received signal by the CPU 29, and displays the processed signal on the LED 33.

The outgoing signal transmitted by the terminal 21 includes the terminal 21
Is included. A response signal from the relay station 22 to the base station 4 includes a relay station ID indicating the relay station 22.
Number included.

One base station 4 includes a plurality of relay stations 22
, 22b (not shown), the monitoring station 5 issues a polling command to the base station 4, and the base station 4 controls the transmission / reception unit (TRX) 1 under the control of the CPU 19.
8. The polling signal is sent to each relay station 2 via the antenna 17
., 22b (not shown). As a response to this polling signal, each of the relay stations 22 and 2
.. 22b (not shown) are collected.

The transmission signal acceptance message of each terminal collected from each relay station by polling is sent to the monitoring station 5,
It is displayed on the monitor screen of the monitoring station 5. Since the displayed outgoing signal acceptance message has an ID number added,
The monitoring station 5 confirms which relay station (zone) has transmitted which terminal has transmitted the emergency transmission signal. The monitoring station 5 determines that the situation is an emergency and dispatches the emergency to the corresponding zone.

In the second embodiment, the transmission / reception unit (TRX) 30 and the transmission / reception unit (TRX) 23 are provided in the terminal 21 and the relay station 22, respectively. This allows communication to be performed, which allows the terminal holder to confirm that the outgoing signal has been received on the spot by his / her own terminal 21 without going to the relay station 22 and checking the display. Can be.

[0045]

As described above, in the emergency call system of the present invention, the relay station can display and confirm the received message of the outgoing signal transmitted by the terminal, so that the relay station and the monitoring station can be surely notified. This has the effect of being able to recognize that the operation has been performed and to wait for relief with peace of mind.

In addition, since a response signal of an acceptance message of a signal transmitted by the terminal can be received and displayed on the LED of the terminal, it is possible to recognize that the relay station and the monitoring station have been notified without fail, and to rescue the user with peace of mind. Has the effect of being able to wait.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of an emergency call system according to the present invention.

FIG. 2 is a block diagram showing a second embodiment of the present invention.

FIG. 3 is a block diagram showing a conventional emergency notification system.

[Explanation of symbols]

1,1a, 21,21a Terminal 2,2a, 22,22a Relay station 3 Display 4 Base station 5 Monitoring station 6,6a, 36,36a Zone 7,32 Switch 9,14,19,24,29 CPU 10 Transmission Unit (TX) 11, 12, 12a Antenna 13 Receiver (RX) 15 Transmitter / receiver (TRX) 16, 16a, 17 Antenna 18, 23, 25, 30 Transmitter / receiver (TRX) 26, 26a, 27, 27a, 31, 31a Antenna 33 LED

Claims (8)

(57) [Claims] 1. A plurality of terminals for transmitting outgoing signals within a single block; a relay station located within a communication block of these terminals and displaying a reception indication signal when receiving said outgoing signals; A base station that transmits a polling signal to a plurality of relay stations located in a block, and receives the reception indication signal as a transmission signal reception message; and the transmission signal reception connected to the base station and collected by the base station. A monitoring station for identifying and displaying a message for each of the plurality of terminals and outputting a command of the polling signal. 2. A switch for activating the transmission signal, the terminal device adding a self-identification signal to the switch operation signal, and performing terminal data generation processing; and using the terminal data as the transmission signal. The emergency notification system according to claim 1, further comprising: a transmission unit for transmitting; and an antenna connected to the transmission unit. 3. The receiving apparatus according to claim 1, wherein the relay station includes: a receiving antenna; a receiving unit connected to the antenna to receive the transmission signal; and a display for displaying the terminal data output by the receiving unit as the reception display signal. Vessel;
A transmission / reception unit that receives the polling signal and transmits the reception indication signal as the transmission signal reception message to respond to the polling signal; an antenna connected to the transmission / reception unit; and controls the reception unit, the transmission / reception unit, and the display. 3. The emergency call system according to claim 1, further comprising: a CPU for processing. 4. A transmission / reception unit, wherein the base station transmits the polling signal and receives the transmission signal reception message; a transmission / reception antenna connected to the transmission / reception unit; and a control process for controlling the transmission / reception unit and the monitoring station. The emergency notification system according to claim 1, 2, or 3, further comprising: 5. A plurality of terminals for transmitting outgoing signals and transmitting and receiving response signals within a single block; and located within a communication block of these terminals, receiving said outgoing signals and transmitting said response signals. A relay station for transmitting to the terminal; a base station for transmitting a polling signal to the plurality of relay stations located in a plurality of blocks and receiving the transmission signal received by the relay station as a transmission signal reception message; A monitoring station connected to the base station for identifying and displaying the transmission signal acceptance message collected by the base station for each of the plurality of terminals and outputting a command of the polling signal. Notification system. 6. A switch, wherein the terminal device activates the transmission signal, and a CPU for adding a self-identification signal to the switch operation signal, generating terminal data, and displaying the response signal.
A display for displaying the response signal; a transmission / reception unit for transmitting the terminal data as the transmission signal and receiving the response signal; and an antenna connected to the transmission / reception unit. The emergency call system according to claim 5. 7. A relay station comprising: a first transmitting / receiving antenna; connecting to the antenna;
A first receiving the outgoing signal and transmitting the response signal
A second transmission / reception unit for receiving the polling signal and transmitting the transmission signal as a transmission signal reception message in response to the polling signal; a second transmission / reception antenna connected to the transmission / reception unit; 7. The emergency notification system according to claim 5, further comprising: a CPU that controls and processes the first and second transmission / reception units. 8. A transmission / reception unit, wherein the base station transmits the polling signal and receives the transmission signal reception message; a transmission / reception antenna connected to the transmission / reception unit; and a control process for the transmission / reception unit and the monitoring station. The emergency call system according to claim 5, 6 or 7, further comprising: