JP2002157669A - Emergency communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enables a person on the spot to easily inform a person concerned at a distant place of an emergency state occurring in a closed place such as a place in a train and to enables the informed person concerned to speedily and accurately grasp the place where the emergency state occurs and the occurrence state of the emergency state. SOLUTION: Base stations 1a to 1b for independent operation are provided at the ceiling parts of passenger rooms of respective passenger cars of a train and operate according to RCR-STD28 being the 2nd-generation cordless telephone system standards. A telephone switching means 21 is provided in a crew room of the train and receives a call from a PHS telephone set carried by a passenger in a passenger room provided with the base station and meeting the 2nd-generation cordless telephone system standards through the base station. The telephone terminal 22 has a handset provided in the crew room and handling an emergency information telephone call from the calling PHS telephone set. Video acquiring means 13a to 13b photograph the state of the periphery of the PHS telephone set. A video display means 24 displays the video.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency communication system, and more particularly to an emergency communication system in which a passenger in a surrounding area is not present when an emergency occurs in an enclosed space such as a passenger cabin of a train. For example, in the case of a train, the present invention relates to an emergency contact system for urgently contacting a crew member such as a conductor.

[0002]

2. Description of the Related Art When an emergency occurs, for example, when a suddenly sick person appears in a closed space that is easily congested, such as in a train passenger car or in an event hall, the passengers who have noticed that suddenly become sick. It is necessary to urgently notify the crew members in the crew room of such a situation, and in such a case, if there is an emergency contact means such as an emergency contact button in the vehicle, the passenger will use the emergency contact means. To contact the crew in the crew room, but there is no such means for emergency contact in each vehicle, or if there is no place for such emergency contact, or the vehicle is congested. In some cases, it was difficult to reach the crew members urgently, because sometimes it was not possible to easily reach the location where the means for emergency communication was available.

[0003] Japanese Patent Laid-Open Publication No. Hei 3-224099 discloses that, in case of an emergency such as that described above, it is possible to monitor the congestion in a train passenger car in a crew room and to cause an incident or accident. A TV camera is provided for each passenger car so that the situation of the accident or accident can be grasped in the crew room, and the situation inside the passenger car taken by the TV camera is
This document describes the technology of an in-vehicle condition monitoring device for displaying on a monitor television provided in a crew room. In this case, when an incident or the like occurs in the passenger car, the passenger can press the notification push button provided on the passenger car to notify the crew room.

[0004] However, even if an emergency contact is made from the passenger to the crew member by the push button, the passenger who has made the emergency contact often cannot specify the location of the emergency car where the emergency occurred. An indication is displayed in the crew room indicating the number of the passenger car from the emergency contact button, and the crew in the crew room can identify the number of the passenger car from which the emergency contact was made. However, in many cases, the passenger who has made the emergency contact cannot accurately explain to the crew which part of the passenger car the emergency occurred. In this way, the crew who receives the emergency notification may not be able to quickly grasp the situation of the emergency, so that the crew in the crew room can easily and accurately grasp the location of the emergency when the emergency occurs. There was a need for a means by which emergency contact could be made so that it could be done.

[0005]

As described above, when an emergency occurs in a closed place, such as in a train, for example, passengers who are present at the emergency can be in the crew room. It is only necessary that the train be equipped with a means for contacting crew members in the area.However, most emergency contact systems used in the event of an emergency in a closed place such as a train car have been used. It is not provided, and even if there is an emergency contact button in the vehicle, such as an emergency contact button for passengers to contact the crew in an emergency, the location of the emergency contact button is unknown. Or when the passenger car is crowded, there is a case that it is difficult to reach the crew member urgently because there is a case where it is not possible to easily reach the place where the means for emergency communication is available.

In the case of a train, even if an emergency contact is made to the crew by the above-mentioned emergency contact means, the location of the emergency cannot be identified as the passenger car or the passenger car, or the passenger car in which the emergency situation occurs. Even if it could be identified, it was not always possible to accurately explain to the crew which part of the coach the emergency occurred. For this reason, the crew who receives the emergency notification may not be able to quickly grasp the situation of the emergency, so that the crew in the crew room can easily and accurately grasp the location of the emergency in the event of an emergency. It had the drawback that it was difficult to make emergency contact.

A first object of the present invention is to provide an emergency communication system in which a person present at a closed place, such as a train, can easily contact a person at a remote place. A second object of the present invention is to provide an emergency contact system in which a contacted party can quickly and accurately grasp the place where an emergency has occurred and the state of occurrence of the emergency. It is in.

[0008]

According to the first aspect of the present invention, there is provided an emergency communication system comprising: (A) a ceiling portion or a side wall portion in a structure constituting a closed space, or around an event square constituting a closed space; A self-contained base station provided in the sky and operating in accordance with the second generation cordless telephone system standard RCR-STD28; (B) provided in a different location from the structure or the event square, in the structure or RCR-ST which is the second generation cordless telephone system standard carried by the person in the event square.
A telephone exchange means for receiving a call from a portable radio terminal satisfying the standard of D28 via the private base station; (C) provided at the same place as the telephone exchange means and connected to the telephone exchange means, And a telephone terminal having a handset for handling an emergency call from the portable wireless terminal that has originated via the telephone exchange means.

[0009] Further, the emergency communication system according to the second invention comprises:
In the emergency communication system according to the first aspect of the present invention, (A) receiving a wireless signal from the portable wireless terminal by a built-in directional antenna provided in proximity to the private base station, and receiving the wireless signal Position data acquisition means for acquiring the direction data indicating the position, calculating the position of the portable wireless terminal transmitting the wireless signal from the direction data in the structure, and outputting the position data indicating the position, (B)
Ceiling or side wall in a structure that constitutes a closed space,
Or, an image that is provided around or above an event square that constitutes a closed space, controls the orientation of a built-in surveillance camera based on the position data, shoots a situation around the transmission place of the wireless signal, and outputs it as a video signal. Acquisition means,
(C) image display means provided at the same place as the telephone exchange means, for receiving the image signal and displaying an image showing a situation around the transmission place of the wireless signal. .

[0010] The emergency communication system according to a third aspect of the present invention includes:
(A) The second generation cordless telephone system standard, RCR-, is installed on the ceiling in the passenger cabin of each passenger car of a train.
A private base station operating according to STD28, (B)
Outgoing call from a portable wireless terminal that is provided in the train crew room and carried by a passenger in the passenger cabin where the private base station is provided and meets the RCR-STD28 standard, which is the second generation cordless telephone system standard. (C) provided in the crew room, connected to the telephone exchange means, and making a call via the private base station and the telephone exchange means. And a telephone terminal having a handset for handling an emergency call from the portable wireless terminal.

Further, an emergency communication system according to a fourth aspect of the present invention includes:
In the emergency communication system according to a third aspect of the present invention, (A) a radio signal from the portable radio terminal is received by a built-in directional antenna provided in proximity to the private base station, and a reception direction of the radio signal is received. Position data acquisition means for acquiring the direction data indicating the position, calculating the position of the portable wireless terminal transmitting the wireless signal from the direction data in the passenger compartment, and outputting the position data indicating the position, (B)
Video acquisition means provided on a ceiling portion in the passenger cabin of each passenger car, for controlling the orientation of a built-in monitoring camera based on the position data, photographing a situation around the transmission place of the wireless signal, and outputting the situation as a video signal, C) Image display means provided in the crew cabin and configured to receive the image signal and display an image indicating a situation around a place where the wireless signal is transmitted.

Further, an emergency communication system according to a fifth aspect of the present invention includes:
In the emergency communication system according to the first invention or the third invention, when the telephone exchange means outputs call reception information indicating that a call has been received from the portable wireless terminal, the telephone exchange means inputs the call reception information. Calling vehicle information output means for generating and outputting calling vehicle information indicating the order of the passenger car of the portable wireless terminal that has made the call, and calling based on the calling vehicle information. Calling vehicle display means for displaying the vehicle of the portable wireless terminal.

[0013] The emergency communication system according to a sixth aspect of the present invention includes:
In the emergency communication system according to the first invention, the second invention, the third invention, the fourth invention, or the fifth invention, a call content recording unit for recording a call content of an emergency call from the portable wireless terminal is provided. It is characterized by having.

Further, an emergency communication system according to a seventh aspect of the present invention comprises:
The emergency communication system according to the second or fourth aspect of the present invention is characterized in that the emergency communication system is further provided with a video recording unit that records a video showing a situation around a transmission place of the wireless signal displayed on the video display unit.

An emergency communication system according to an eighth aspect of the present invention includes:
In the emergency communication system according to the first invention or the third invention, the telephone terminal includes: a message receiving unit that receives a message from the PHS telephone; and a message displaying unit that displays the message.
S The message is sent to the telephone terminal as a message by inputting characters from the telephone, and the PHS is transmitted to the telephone terminal.
The message sentence from the telephone is received by the message sentence receiving means and displayed on the message sentence display means.

[0016]

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

FIG. 1 is a block diagram showing an embodiment of the emergency communication system according to the present invention. FIG. 2 is a schematic diagram for explaining the emergency contact system shown in FIG. FIG. 3 is a schematic diagram showing a communication range between each private wireless base station and the PHS telephone when two sets of emergency contact private wireless base stations are provided in each passenger car.

The emergency communication system shown in FIG. 2 is designed so that when an emergency occurs in a passenger cabin of a train, which is a closed space while the vehicle is traveling, passengers in the vicinity of the emergency carry a PH carried by the passenger.
By using an S (Personal Handy Phone System) telephone to call a crew member in the crew room (a person outside the passenger cabin, that is, a person outside an enclosed space),
It is configured to be able to notify the occurrence of an emergency.

The emergency communication system shown in FIG. 1 is installed in the passenger cabin of each passenger car of a train, and performs PHS telephones 4a to 4h for performing a calling operation for notifying the crew in the crew room of an emergency situation occurring in the passenger cabin. 4b, a wireless transmission path is formed, and wireless signals 31a to 31b from PHS telephones 4a to 4b are formed.
31b, the position of the PHS telephones 4a-4b transmitting the radio signals 31a-31b is calculated in the passenger car, the position data indicating the position is obtained, and the transmission place of the radio signals 31a-31b is obtained based on the position data. A plurality of self-service wireless base station devices 1a-1b for directing a built-in surveillance camera (not shown in FIG. 1) in the direction of, and photographing the surrounding conditions and outputting them as video signals 32a-32b; It is installed in the crew room, and based on the call operation from the PHS telephones 4a to 4b, the self-service wireless base station devices 1a to 1 for emergency contact
b to form a communication line with the PHS telephones 4a to 4b, receive the video signals 32a to 32b output from the emergency contact private radio base station devices 1a to 1b, and transmit the radio signals 31a to 31b. And an emergency contact self-service wireless center device 3 for displaying an image showing the situation around the place.

In addition, a self-service wireless base station device 1a for emergency communication
1b are provided on the ceiling of each passenger car of the train, and are the second generation cordless telephone system standard RCR-STD.
Private base stations 11a-11b incorporating antennas 15a-15b, and private base stations 11
wireless signals 31a to 31b from PHS telephones 4a to 4b are received by built-in directional antennas 14a to 14b provided in proximity to wireless signals 31a to 11b.
Of the PHS telephones 4a to 4b transmitting the radio signals 31a to 31b are calculated based on the direction data, and the position data 33a to 31b indicating the positions are calculated. 33b, which is provided on the ceiling in the passenger cabin of each passenger car, controls the direction of a built-in monitoring camera based on the position data, and controls the wireless signals 31a to 12b.
The situation around the transmission place of 31b is photographed and a video signal 32a is taken.
Video acquisition means 13a to 13b to output as
When a call is made from the PHS telephones 4a to 4b, the photographing start instruction signals 35a to 35b are inputted from the control means 29 of the emergency contact private radio center device 3 to be described later and drive control signals 34a to 34b are outputted. Output and position data acquisition means 12a to 12b and video acquisition means 13a to 13b
Is turned on, and at the end of shooting, a shooting end instruction signal 41a
To 41b are inputted from the control means 29 and the drive control signal 36
a to 36b, and outputs the position data obtaining means 12a to 12b.
b and control means 19a to 19b for turning off the video acquisition means 13a to 13b.

In addition, the emergency contact private radio center device 3
Are provided in the crew room of the train,
Calls from the PHS telephones 4a-4b carried by the passengers in the passenger cabin provided with the private base stations 11a-11b
b from the PHS telephones 4a-4b connected to the telephone exchange means 21 provided in the crew room and connected to the private base stations 11a-11b and the telephone exchange means 21. A telephone terminal 22 for responding to emergency contact telephones, and a video signal 32a-32b provided in a crew room and receiving radio signals 31a-31b
b) a video display means 24 for displaying a video showing the situation around the transmission location of b, for monitoring the video, and the PHS telephone 4
a call contents recording means 23 for recording the contents of an emergency call from a to 4b; a video recording means 25 for recording an image showing the situation around the transmission place of the radio signals 31a to 31b projected on the video display means 24; , PHS calling
Calling vehicle information 37 indicating the number of passenger cars of the telephones 4a to 4b is input from the control means 29 to be described later, and the passenger cars of the PHS telephones 4a to 4b that call are the passenger cars of the order. And a monitor operation display means 26 for performing an operation for selecting an image taken by the passenger car indicated by the display, and a call from the PHS telephones 4a to 4b is transmitted via the private base station 11a. When the telephone exchange means 21 outputs the call reception information 38 indicating that the call has been received, the call reception information 38 is input and the call vehicle information 37 is output.
Is generated and output to the monitoring operation display means 26,
The photographing start instruction signals 35a to 35b are output to the control means 19a to 19b of the emergency communication private radio base station apparatus 1a to 1b, and the drive control signal 39 is output to output the call content recording means 23, the video display means 24 and When the video recording means 25 is turned on, and a photographing end instruction is input from the monitoring operation display means 26, a photographing end instruction signal 41a-41b for instructing the end of photographing is sent to the emergency communication self-service radio base station apparatus 1. A control unit 29 that sends the control signal to the control unit 19 and outputs a drive control signal 40 to turn off the video display unit 24, the call content recording unit 23, and the video recording unit 25.
It is composed of

Next, the operation will be described.

The train shown in FIG. 2 is composed of a vehicle 5 having a crew room with a crew member such as a conductor, and a plurality of vehicles 6a having self-service radio base station devices 1a-1b for emergency communication in the passenger cabin.
6b are connected to each other.

FIG. 2 shows a state in which an emergency contact private radio base station device 1a is provided on the ceiling of the vehicle 6a and an emergency contact private radio base station device 1b is provided on the ceiling of the vehicle 6b. However, in the case of the emergency contact private wireless base station device 1a, the state in which the emergency contact private wireless base station device 1a is attached to the ceiling is schematically shown.

In FIG. 2, reference numeral 51 denotes a surveillance camera incorporated in the image acquisition means 13a shown in FIG. 1, 52 denotes a support supporting the surveillance camera 51, 53 denotes a self-service base station 11a shown in FIG. This is a housing that houses the acquisition unit 12a, the video acquisition unit 13a, and the control unit 19a. The housing 53 is attached to the ceiling of the vehicle 6a, and an antenna 15 built in the private base station 11a is provided on the outer surface of the housing 53.
a, the surveillance camera 51 is attached downward through a directional antenna 14a and a support 52 incorporated in the position data acquisition means 12a.

The PHS telephone 4a carried by the passenger in the passenger cabin of the vehicle 6a can communicate only with the self-service base station 11a of the self-service emergency radio base station device 1a provided in the same car. The wireless output level of each private base station is set so that communication with the private base station of the vehicle is not possible. The case of the emergency contact private wireless base station device 1b of the vehicle 6b is the same as the case of the emergency contact private wireless base station device 1a of the vehicle 6a.

The emergency communication system shown in FIGS. 1 and 2 shows a case in which each passenger car is provided with one set of a self-service radio base station for emergency communication. May be plural. For example, in the case where two sets of self-service wireless base station devices for emergency communication are provided, the effective radio wave range which is a possible range of wireless communication between the self-service base station of each self-service wireless base station device for emergency communication and the PHS telephone is shown in FIG. The range is within the circle shown by the dotted line 10 shown in FIG. Vehicles 7a-7
The PHS telephones for transmitting emergency contact in each vehicle b are located in the above-mentioned circles indicating the possible range of wireless communication, and the private base stations 8a to 8b and the private base stations 9a to 9b in the circles
Wireless communication is possible only with the. Even when the number of emergency contact wireless base station devices provided in each passenger car is one, the PHS telephones that transmit emergency calls in each vehicle are only between the own base station provided in their own vehicles. Wireless communication is possible.

In the following description of the operation, a case will be described in which each passenger car is provided with one set of self-service radio base station for emergency communication.

In FIG. 1, the passenger of the vehicle 6a
An emergency call is made using the PHS telephone 4a in order to get on board the train and notify the crew working there of an emergency that has occurred within the train.

When a call operation for emergency communication is performed in the PHS telephone 4a with the telephone terminal 22 of the emergency communication private radio center device 3 as a call destination, a second call is established between the PHS telephone 4a and the private radio base station 11a. In accordance with the generation cordless telephone system standard RCR-STD28, PH
The connection procedure operation for the S communication line is performed. At this time, the ID code included in the calling identification code is used for the self-managed system. That is, "for emergency contact in trains"
In this case, the base station of the PHS wireless network of the general public line does not respond to the call, and the PHS telephone 4a responds to the call for emergency communication by calling the self-owned system. The base station 11a will respond.

As a result of the response operation of the private radio base station 11a to the emergency call from the PHS telephone 4a, the PH
An emergency call signal from the S telephone 4a is received by the telephone exchange means 21 of the emergency communication private radio center device 3,
The PHS telephone 4a and the telephone terminal 22 of the emergency contact private wireless center device 3 are connected, and the PHS telephone 4a and the telephone terminal 22 enter a communicable state, and the person carrying the PHS telephone 4a receives the handset of the telephone terminal 22 ( (Not shown) can be verbally notified of the emergency message.

At this time, the private wireless base station that has transmitted the call signal transmitted from the PHS telephone 4a to the emergency contact private wireless center device 3 is a plurality of private wireless base stations 1.
The telephone exchange means 21 of the self-service wireless center device 3 for emergency notification that it is the self-service wireless base station 11a of 1a to 11b
And outputs call reception information 38 indicating this to the control means 29, and the control means 29
A calling vehicle indicating that an emergency call has been issued from the vehicle 6a based on a table indicating the relationship between the self-operating radio base stations 11a to 11b and the vehicles 6a to 6b provided with the respective self-operating radio base stations. The information 37 is output to the monitoring operation display means 26. Further, the control means 29 controls the photographing start instruction signal 35
a to 35b are used as emergency contact base stations 1a to 1b
To the control means 19a to 19b, and outputs a drive control signal 39 to turn on the call content recording means 23, the video display means 24, and the video recording means 25.

The monitoring operation display means 26 turns on a display lamp indicating the vehicle 6a from which the emergency call was made. In this manner, the emergency contact private wireless center device 3 can recognize that an emergency call has been made from the vehicle 6a provided with the private wireless base station 11a.

On the other hand, the emergency communication private radio base station apparatus 1a
Then, the control unit 19 inputs the photographing start instruction signal 35a from the control unit 29 of the emergency contact private radio center device 3, outputs the drive control signal 34a, and sets the position data acquisition unit 12a and the video acquisition unit 13a to the operating state. ON control to perform the operation.

The directional antenna 14a incorporated in the position data acquisition means 12a receives a radio signal 31a from the PHS telephone 4a, acquires azimuth data indicating the reception azimuth of the radio signal 31a, and obtains a radio signal based on the azimuth data. The position of the PHS telephone 4a that transmits the call 31a in the passenger cabin is calculated, and position data 33a indicating the position is output to the image acquisition means 13a.

The image acquisition means 13a controls the orientation of the built-in surveillance camera based on the position data 33a, takes an image of the situation around the transmission place of the radio signal 31a, and produces an image signal 32a.
Output as

In the emergency contact self-service radio center apparatus 3, the crew member confirms that the indicator lamp indicating the emergency call from the vehicle 6a has been lit on the monitoring operation display means 26.
When an operation key provided corresponding to a display lamp indicating an emergency notification from the vehicle 6a, that is, an operation key for selecting a video taken by the vehicle indicated by the above display, is operated, the emergency communication private radio is operated. Control means 29 of center device 3
Indicates the video signal indicated by the video selection signal 42, which is the output signal of the operation key, that is, the situation around the calling PHS telephone 4a transmitted from the emergency contact private wireless base station device 1a. An image selection signal 43 for instructing to select an image signal of an image is output to the image display means 24, and an image showing the situation around the PHS telephone 4a is displayed on the image display means 24.

The call content recording means 23 is a PHS telephone 4a.
The video recording means 25 records the content of the emergency call from the telephone, and the radio signal 31a displayed on the video display means 11
The video showing the situation around the transmission place of the is recorded.

When the photographing end instruction is inputted from the monitoring operation display means 26, the control means 29 sends a photographing end instruction signal 41a for instructing the end of the photographing to the control means 19 of the emergency contact self-service radio base station apparatus 1. At the same time, the drive control signal 40 is output to perform an off control for bringing the video display means 24, the call content recording means 23, and the video recording means 25 into an operation stop state.

Further, the control means 19 also receives the photographing end instruction signal 41a from the control means 29 and receives the drive control signal 36a.
Is output, and the position data acquisition unit 12a and the video acquisition unit 13a are turned off.

In the above description, the case of an emergency occurring in the passenger compartment of a train has been described. However, the present invention is not limited to the passenger compartment of a train, but may be a structure such as an airplane or a building constituting a closed space. The emergency communication system of the present invention can be used even in a case where it is necessary to notify a person in a remote place of an emergency that has occurred inside or in an event square that constitutes a closed space. In this case,
Privately owned base stations may be located on ceilings or side walls of structures such as in airplanes or in buildings that form enclosed spaces,
It is provided on a structure constructed around or above the event plaza that constitutes a closed space.

Further, the image acquiring means 13a to 13d described above
13b, a moving image may be displayed on the video display means 24 by using a television camera, or a still image may be displayed on the video display means 24 by using a still camera as the video acquisition means 13a to 13b. Is also good.

In the above description, when the PHS telephones 4a to 4b make a call and the PHS telephones 4a to 4b and the telephone terminal 22 of the emergency contact private wireless center device 3 are in a talking state, the PHS telephones 4a to 4b Passengers who are carriers of
Although it has been described that the crew picking up the handset of the telephone terminal 22 is verbally informed of emergency matters, the message receiving means for receiving the message from the PHS telephones 4a to 4b to the telephone terminal 22 and the message thereof A message display means for displaying a message is provided, and the passenger can send the message as text data to the PHS telephone 4.
The passengers do not contact the crew verbally using a to 4b, but send the message to the emergency contact private wireless center device 3 in the form of message by inputting characters from the PHS telephones 4a to 4b, The wireless center device 3 may be configured to display the message from the PHS telephones 4a to 4b on the message display unit.

The telephone terminal 22 may be provided with an answering machine function so as to be able to respond to an emergency call from a passenger car even when the conductor in the conductor compartment is temporarily absent.

Further, the telephone terminal 22 is provided with a plurality of handsets, and the telephone terminal 22 is configured so that each of the plurality of handsets can cope with an emergency call from a plurality of train cars. May be.

In addition, the call operation for emergency communication performed from the PHS telephones 4a to 4b to the telephone terminal 22 of the emergency communication private radio center apparatus 3 is the same as the call operation in the emergency communication system using the private PHS line. The PHS telephone may be provided with a dedicated call operation key for performing the call.
The calling operation may be performed by a selection operation on the menu screen of the telephone.

[0047]

As described above, the emergency communication system according to the present invention comprises a private base station which operates in accordance with the standard of the second generation cordless telephone system provided in the closed space, and the closed space. Telephone exchange means provided at another location and accepting a call from a portable wireless terminal in an enclosed space via a private base station, and a private base station and telephone exchange means provided at the same place as the telephone exchange means A telephone terminal for handling emergency contact calls from a portable wireless terminal that has made a call via This has the effect that a person who is away can easily contact a stakeholder in a distant place.

Further, azimuth data indicating the azimuth of reception of a radio signal from the portable radio terminal is obtained by a built-in directional antenna provided in the vicinity of the private base station, and the structure of the portable radio terminal is obtained from the azimuth data. Position data obtaining means for calculating a position in the vehicle and outputting position data indicating the position, and a portable wireless terminal which controls the direction of a built-in monitoring camera provided in proximity to the private base station based on the position data. The communication was provided by providing video acquisition means for capturing the situation around the originating location of the telephone and video display means provided at the same location as the telephone exchange means for receiving the captured video signal and displaying the video. This has the effect that the concerned person can quickly and accurately grasp the place where the emergency has occurred and the situation where the emergency has occurred.

Also, by providing a call content recording means for recording the content of an emergency call from the portable radio terminal and a video recording means for recording the video projected on the video display means, the call content of the emergency call can be provided. Is recorded, and the video of the location of the occurrence of the emergency, which is displayed on the display means, is recorded, which has an effect of facilitating a later investigation on the emergency.

Further, by providing a message terminal for receiving a message sent from a PHS telephone and a message display means for displaying the message in the telephone terminal, the message can be sent without making an emergency call. Accordingly, in the case where the emergent situation is related to a crime or the like or a case related thereto, the reporter has an effect that the crew can easily report to the crew without being noticed by the criminal.

[Brief description of the drawings]

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

FIG. 2 is a schematic diagram for explaining the emergency contact system shown in FIG.

FIG. 3 is a schematic diagram showing a communication range between each private wireless base station and a PHS telephone when two sets of private wireless base stations for emergency communication are provided in each passenger car;

[Description of Reference Codes] 1a-1b Private wireless base station device for emergency communication 3 Private wireless center device for emergency communication 4a-4b PHS telephone 5 Vehicle 6a-6b Vehicle 7a-7b Vehicle 8a-8b Private base station 9a-9b Private business Base station 10 Dotted line 11a-11b Private base station 12a-12b Position data acquisition unit 13a-13b Video acquisition unit 14a-14b Directional antenna 15a-15b Antenna 19a-19b Control unit 21 Telephone exchange unit 22 Telephone terminal 23 Call record Means 24 Video display means 25 Video recording means 26 Monitoring operation display means 29 Control means 31a-31b Wireless signal 32a-32b Video signal 33a-33b Position data 34a-34b Drive control signal 35a-35b Shooting start instruction signal 36a-36b Drive control Signal 37 Calling vehicle information 3 Call reception information 39 and 40 drive control signals 41a~41b shooting end instruction signal 42 and 43 video selection signal 51 monitoring camera 52 struts 53 housing

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) H04M 3/51 H04M 3/51 F term (reference) 5C087 AA02 AA03 AA19 BB18 BB21 BB74 DD03 DD15 EE05 EE08 FF01 FF04 FF16 FF23 GG20 GG66 GG70 GG84 5K015 AA00 AB00 AB01 AF00 AF09 5K024 AA79 BB00 CC01 CC11 DD01 DD04 FF02 FF04 GG01 GG10

Claims (8)

[Claims] (A) A ceiling or side wall in a structure constituting an enclosed space, or an area around or above an event square constituting an enclosed space, and is a second generation cordless telephone system standard. (B) the second generation cordless, which is provided in a different location from the structure or the event square and is carried by a person in the structure or the event square, according to a certain RCR-STD28; RCR-S, a telephone system standard
A telephone exchange means for receiving a call from a portable wireless terminal satisfying the TD28 standard via the private base station; (C)
In order to respond to an emergency call from the portable wireless terminal which is provided at the same place as the telephone exchange means and is connected to the telephone exchange means and makes a call via the private base station and the telephone exchange means. Telephone terminal having a handset of
An emergency contact system comprising: 2. The emergency communication system according to claim 1, wherein (A) receiving a radio signal from the portable radio terminal by a built-in directional antenna provided in proximity to the private base station. Position data acquisition for acquiring direction data indicating a reception direction of a wireless signal, calculating a position in the structure of the portable wireless terminal transmitting the wireless signal from the direction data, and outputting position data indicating the position. Means, (B) The direction of a built-in surveillance camera which is provided around or above a ceiling or side wall in a structure constituting an enclosed space, or an event square constituting an enclosed space, based on the position data. Video acquisition means for controlling and photographing the situation around the transmission place of the wireless signal and outputting it as a video signal; (C) provided at the same place as the telephone exchange means, And an image display unit for receiving an image signal and displaying an image showing a situation around the transmission place of the wireless signal. 3. A self-service base station provided in the ceiling of the passenger cabin of each passenger car of a train and operating in accordance with the second generation cordless telephone system standard RCR-STD28. RCR-S, which is a second generation cordless telephone system standard, carried in a passenger compartment in a passenger cabin where the private base station is provided.
A telephone exchange means for receiving a call from a portable wireless terminal satisfying the TD28 standard via the private base station; (C)
A handset provided in the crew cabin and connected to the telephone exchange means for handling an emergency call from the portable wireless terminal which has originated a call via the private base station and the telephone exchange means. An emergency contact system, comprising: 4. The emergency contact system according to claim 3, wherein (A) receiving a radio signal from the portable radio terminal by a built-in directional antenna provided in proximity to the private base station. Position data acquisition means for acquiring direction data indicating a reception direction of a wireless signal, calculating a position in the passenger compartment of the portable wireless terminal transmitting the wireless signal from the direction data, and outputting position data indicating the position. (B) an image provided on the ceiling in the passenger cabin of each passenger car, controlling the direction of a built-in surveillance camera based on the position data, photographing the situation around the transmission place of the wireless signal, and outputting as an image signal Acquisition means, (C) provided in the crew cabin, and image display means for receiving the image signal and displaying an image indicating a situation around a place where the wireless signal is transmitted. And an emergency contact system. 5. The call receiving system according to claim 1, wherein said telephone exchange means outputs call receiving information indicating that a call has been received from said portable wireless terminal. Input information, calling vehicle information output means for generating and outputting calling vehicle information indicating the number of the passenger car of the portable wireless terminal that has issued the call,
A call vehicle display means for displaying a vehicle of the portable wireless terminal that has made a call based on the call vehicle information. 6. An emergency contact system according to claim 1, 2, 3, 4, or 5, wherein a call content recording means for recording a call content of an emergency call from said portable wireless terminal. An emergency contact system comprising: 7. The emergency communication system according to claim 2, further comprising: a video recording unit that records a video indicating a situation around a transmission place of the wireless signal displayed on the video display unit. Emergency contact system. 8. The emergency communication system according to claim 1, wherein the telephone terminal includes a message receiving unit that receives a message from the PHS telephone and a message displaying unit that displays the message. A message sent from the PHS telephone to the telephone terminal as a message by inputting characters, and the telephone terminal receives a message from the PHS telephone by the message receiving means and displays it on the message display means. Emergency contact system.