JP2004193713A - Emergency reporting system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an emergency reporting system which is constituted at a low cost and superior in expandability. <P>SOLUTION: The system comprises a plurality of reporting units 1 having cameras, microphones, speakers and informing buttons for sending image data of specified regions, a controller 2 connected to the plurality of reporting units by wire or wirelessly, respectively, and a receiving unit 3 connected to the controller 2 through a communication line. When a signal is incoming from the reporting button 23 of the reporting unit 1, the system immediately sends a signal to the receiving unit 3 through the controller 2, shows image data from the camera 20 and audio data from the microphone on a monitor TV 50, and sends audio signals answer the received image data and the audio data to the speaker 22 of the reporting unit. The camera 20 uses an IP camera with an allotted IP address. The controller 2 always monitors the existence of reports from the reporting buttons of the plurality of reporting units, and always accumulates and stores image data and audio data from each reporting apparatus. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is intended for children, especially small and junior high school students, who can detect abnormalities by image data and voice data from notification devices installed at a plurality of places along roads and the like in a restricted area and can immediately respond to the abnormalities. It relates to an emergency call system.
[0002]
[Prior art]
Conventionally, as this type of abnormality monitoring system, a security device, a microphone, a speaker, and a notification device equipped with a notification button are installed in several places such as a low-traffic road and a park, and a notification signal from these notification devices is controlled. There is an apparatus which receives the data from a monitoring controller and transmits the received data to the security headquarters via a public line (see Patent Document 1).
The notification device calls the security headquarters using the notification button, and uses the speaker and microphone to talk to the security headquarters. You can see.
[0003]
[Patent Document 1]
JP 2001-285844 A
[0004]
[Problems to be solved by the invention]
By the way, the conventional techniques as described above have the following problems to be solved.
Since the communication means from the notification device to the security headquarters is complicated, there are drawbacks in that wiring costs, equipment costs are high, and scalability is poor.
Also, little measures have been taken against mischief reports.
The present invention has been made in view of the above points, and has as its object to provide an emergency call system that can be configured at low cost and has excellent expandability.
[0005]
[Means for Solving the Problems]
The present invention employs the following configuration to solve the above points.
<Configuration 1>
A camera that transmits image data of a specific area through a network, a microphone that collects sound generated in the specific area, a speaker that outputs a predetermined sound to the specific area, A plurality of notification devices having a notification button for transmitting a notification through the network are arranged, and all the notification devices are provided with a control device that is constantly connected via a network and a network relay device. When the notification button of the notification device is pressed, the network relay and the reception device are connected via a communication line different from the network, and the notification device, the control device, and the reception device are Means for connecting to each other via a network repeater, wherein the notifying device includes means for transmitting information directly to the accepting device. Emergency call system, characterized in that was example.
[0006]
The specific area is an area where a plurality of notification devices are arranged and the vicinity thereof, and is an area where a camera can capture images. This range is arbitrary and can be freely selected. Image data captured by a camera is data that can be transmitted through a network, such as an electronic photograph. The microphone has a function of collecting sounds generated in a specific area, but the sound collection range does not have to match the range that can be photographed by the camera. The speaker outputs a predetermined sound to the specific area. The reach of the sound does not have to coincide with the range that can be photographed by the camera. The report button is located on the report device. Notifications are sent through the network. The configuration of the report button is arbitrary.
The control device can be controlled automatically and unattended. The reception device is arranged, for example, at a monitoring center of a nearby police station, and is operated by a watchman.
With the above configuration, when a notification button of any of the notification devices installed in a specific area is pressed and there is a notification, a surveillant in a distant place looks at the image taken near the camera with a camera The user can listen to the situation with a microphone provided in the notification device and give an appropriate instruction using a speaker.
The notification device and the control device are centrally located in a specific area, and are constantly connected to each other by an optical cable or a high-speed communication network such as an infrared LAN (local area network). Thus, the control device constantly monitors the operation of all the notification devices.
On the other hand, the accepting device can be connected to the control device via an arbitrary communication line such as a telephone line. When the notification button of any of the notification devices is pressed, the control device (the computer program operating on the communication device) connects the notification device, the control device, and the reception device to each other via a network repeater. As a result, the notification device and the reception device can be directly communicated.
Therefore, after that, since the receiving device communicates directly with the notification device using the microphone, the speaker, and the TV monitor, no load is applied to the control device.
[0007]
<Configuration 2>
In the emergency call system according to Configuration 1, the camera includes communication means capable of communicating with the communication means of the reception device using identification information including address information for specifying a communication destination on a network. Emergency call system.
[0008]
If the receiving device can directly communicate with the notifying device using a microphone, a speaker, or a TV monitor when a notification is issued, it is necessary for the receiving device to perform a process of confirming the source of the notification. The address information that specifies a communication destination on a network is, for example, an IP (Internet Protocol) address. The format and content of the identification information including the address information for specifying the communication destination on the network are arbitrary. The communication means is a communication device or communication software built in the camera. A camera having a built-in communication means and given an IP address is called an IP camera. However, if the camera of the notification device has a function like an IP camera, when receiving image data captured by the camera, the reception device side It is possible to immediately determine which notification device is the camera. Furthermore, if it is directly connected to the network, it can communicate directly with the receiving device, and does not put a load such as relay processing on the control device.
[0009]
<Configuration 3>
In the emergency call system according to the first aspect, both the microphone and the speaker are connected to the network via a network connector, and the network connector includes address information for specifying a communication destination on the network. An emergency notification system comprising communication means capable of communicating with communication means of the reception device using identification information.
[0010]
The network connector is, for example, a switching hub, a router, or the like, and may have the same function as the above-described IP camera, for example. This enables direct communication with a reception device or another device connected to the network using the IP address. At the same time, the output signal of the microphone connected to the network connector is also directly transmitted to the network, and the speaker can be driven by data received from the network to the speaker.
[0011]
<Configuration 4>
2. The emergency notification system according to configuration 1, wherein the control device includes means for acquiring and storing image data captured by the camera from all the notification devices.
[0012]
Since the connection with the reception device is not made in normal times, the image data captured by the camera of the notification device is stored in the control device. This image data may be used as needed.
[0013]
<Configuration 5>
The emergency notification system according to Configuration 3, wherein the control device operates on the notification device by transmitting an inquiry signal to the camera and the network connector of the notification device and receiving a response signal thereof. An emergency notification system, comprising: means for detecting an abnormality of each device; and connecting the communication line at a predetermined timing, and transmitting information indicating that the abnormality has occurred to the reception device.
[0014]
Each of the network connection compatible devices is provided with an IP address, and has a communication function using a network (such as a Simple Network Management Protocol (SNMP)). Also, it has a function of returning a response as to whether or not it is operating normally when an inquiry about the status is made via a network. In response to the inquiry signal, an abnormal response is returned, or in the case of no response, the device is determined to be abnormal. The result is notified to the receiving device, and repair or the like is urged. Also in this case, the communication load is light because communication with the reception device does not occur unless there is an abnormality.
[0015]
<Configuration 6>
The emergency notification system according to the first aspect, wherein the respective notification devices and the control device are connected to each other via a LAN (local area network).
[0016]
By connecting the notification device and the control device with the infrared LAN, the construction of the communication cable is not required, so that the cost can be reduced. Also, since infrared rays are used instead of radio waves, they are strong against noise and do not have to worry about eavesdropping. Further, since the data transmission capacity is large, it becomes possible to transmit high-resolution image data to the control device from each of the notification devices connected to each other with high frequency.
[0017]
<Configuration 7>
The emergency notification system according to the first aspect, wherein the control device and the reception device are connected by a commercial telephone line.
[0018]
By connecting the control device and the receiving device via a commercial telephone line, it is possible to arrange the receiving device at an arbitrary location and perform remote monitoring. That is, even if the receiving device is installed at a remote location from the point where the notification device is installed, quick and smooth response is possible. In addition, there is an effect that the receiving device can be installed anywhere away from the specific area. Since the commercial telephone line requires a communication fee, the line is connected only when there is a report or when there is an abnormality in any device. Further, if the commercial telephone line is connected by a large-capacity communication line such as an ISDN (Integrated Services Digital Network) line, the transfer of image data and the like can be performed smoothly.
[0019]
<Configuration 8>
The emergency call system according to Configuration 1, wherein the camera and the speaker are close to each other and are installed at a height higher than the average user's eyes.
[0020]
The average user is an elementary school student if it is a facility around the elementary school. If the camera is located in a place easily accessible to humans, the lens surface may be blocked by mischief. Therefore, the camera was installed higher than the average user's eyes. If possible, it is desirable to install it at a height that is beyond the reach of the average user.
The report button is usually arranged slightly below the line of sight for easy operation. Then, when the reporter presses the report button, the camera cannot photograph the face of the reporter. Then, the speaker was arranged close to the camera. When the speaker approaching the camera makes a voice saying "What's going on?", The caller instinctively turns his face toward the speaker. By doing so, it is possible to capture the face of the caller steadily using the camera.
[0021]
<Configuration 9>
The emergency call system according to Configuration 1, wherein the camera is arranged between the microphone and the speaker.
[0022]
The microphone and the speaker usually need to be at least a certain distance apart to prevent howling, but the distance between the two must be shortened because the IP camera placed between them will have an acoustic shielding effect. Can be. This is useful for downsizing the configuration of the entire notification device.
[0023]
<Configuration 10>
The emergency notification system according to Configuration 1, wherein the notification device, the control device, and the reception device are compatible with SNMP.
[0024]
Since the notification device, the control device, and the reception device support SNMP, remote monitoring and remote maintenance can be performed from a remote location.
[0025]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described using specific examples.
FIG. 1 is a block diagram showing the overall structure of the system of the present invention. For example, on a road around an elementary school, a number of notification devices 1a, 1b, 1c,... Are provided. The specific structure of each notification device will be described later, but these are fixed to the roadside at intervals of, for example, 50 m to 100 m like telephone poles. One of them is the control device 2. The control device 2 has a function of always storing images of the monitoring cameras 20 of the notification devices 1a, 1b, 1c,. The control device 2 and each of the notification devices 1a, 1b, 1c are connected by a network using infrared rays 8 using an infrared signal transceiver 16.
[0026]
The control device 2 has a function of connecting the notification device 2 and the reception device 3 when the notification button 23 is pressed in any of the notification devices 1a, 1b, 1c,. The reception device 3 is connected to the control device 2 via a public line 4.
[0027]
The reception device 3 is installed, for example, at a monitoring center of a nearby police station. Therefore, when the reception device 3 is connected to any of the notification devices by the control device 2, it is possible to have a conversation with a person operating these notification devices.
[0028]
FIG. 2 is a plan view showing a state where a number of notification devices are arranged on a road.
In the state as shown in the figure, the notification devices 1a, 1b, 1c,... Are arranged at regular intervals on the road 5 around the school. The control device 2 is arranged at any one of the locations. Each of the notification devices 1a, 1b, 1c,... Is connected using an infrared LAN. That is, each of the notification devices 1a, 1b, 1c,... Functions as an individual terminal connected to an optical cable or a LAN (local area network).
[0029]
FIG. 3 is a block diagram illustrating a specific configuration of the notification device 1.
The notification device 1 includes, for example, an IP camera 20 for photographing the surrounding state or the state of the reporter, a microphone 21 and a speaker 22 for talking with the reporter, and a report button 23 for reporting with a push button. A failure indicator 24 for displaying when any of the various devices used in the notification device 1 has failed, a camera illumination lamp 25, a red light 26 indicating the installation of an emergency notification device, and the like are provided.
[0030]
The notification button 23, the failure indicator 24, the camera illumination lamp 25, and the red light 26 are all connected to the switching hub 30 through the IO controller 27. The microphone 21 and the speaker 22 are connected to a switching hub 30 via a VOIP adapter 28. The switching hub 30 is connected to the control device 2 through the infrared signal transceiver 16.
[0031]
The infrared signal transceiver 16 is provided on the input / output terminal side of the switching hub and performs signal conversion between an electric signal and an infrared signal. That is, each of the IP camera, VOIP adapter, and IO controller 27 connected to the switching hub 30 has its own IP address, and can communicate with the control device 2 through the local area network. For example, when the IP camera 20 photographs the face of the caller, a packet signal in which the image data, the destination IP address, and the source IP address are integrated is transmitted to the control device 2 through the switching hub 30 and the infrared signal transceiver 16. Is done.
[0032]
Similarly, the microphone 21, the speaker 22, and the like are also connected to the reception device 3 via the relay of the control device 2 in this manner, and it is possible to have a conversation with a supervisor operating the reception device 3. The microphone 21 is for transmitting an audio signal to the control device 2 side, and the speaker 22 is for receiving the audio signal and transmitting the voice of the observer to the reporter. When the report button 23 is pressed, the intention of the reporter is transmitted to the control device 2, and the control device 2 calls the reception device 3 and operates to connect the notification device 1 and the reception device 3.
[0033]
The failure indicator 24 is for displaying the state of any part of the notification device 1 when it fails. The camera illumination lamp 25 illuminates the face of the caller to improve the image captured by the IP camera 20. This is effective particularly for photographing a caller at night or the like. The red light 26 informs the observer when the reporter presses the report button 23 to notify that the response is currently being dealt with, or to notify the surroundings that some abnormality has occurred in the part of the report device. It has the function of blinking the lamp to tell people. Further, the red light 26 has a function of sounding a buzzer.
[0034]
FIG. 4 is a block diagram showing a specific configuration of the control device and the receiving device.
The control device 2 includes an infrared signal transceiver 16, a switching hub 34, a PC server 36, a storage device 37, an uninterruptible power supply 38, and the like. The switching hub 34 is connected to an ISDN modem 40.
[0035]
This ISDN modem 40 is connected to the ISDN modem 41 of the receiving device 3 through an ISDN line. The reception device 3 is provided with a switching hub 42 and a VOIP adapter 43, a PC server 47, a storage device 48, a monitor 50, a keyboard 51, an uninterruptible power supply 52, and the like. Further, a microphone 45 and a speaker 44 are connected to the VOIP adapter 43.
[0036]
The infrared signal transceiver 16 has a function of performing a conversion process between an electric signal and an infrared signal, and is incorporated in an infrared local area network. A switching hub 34 is connected to the infrared signal transceiver 16, and a PC server 36 connected to the switching hub 34 controls the control device 2. The PC server 36 stores the captured image of the IP camera sent from the notification device 1 in the storage device 37. In the storage device 37, for example, a monitoring image captured by a notification device connected to the control device 2 and having a notification is stored. Specifically, a monitoring image from when a notification is issued from a certain notification device to when the communication between the notification device and the reception device ends is stored together with information such as the notification time and the identification symbol of the notification device. The IP camera transmits the captured image to the control device after temporarily storing the captured image in the buffer memory. Therefore, a monitoring image for several tens of seconds immediately before the notification can be simultaneously recorded. In a monitoring system premised on reporting, it is not necessary to record images by continuous monitoring for 24 hours, but if necessary, increase the buffer size of the monitoring image immediately before reporting, so that what happened at the time of reporting can be confirmed with the image It is preferable to do so.
[0037]
Further, when a signal indicating that the notification button is pressed is input from the notification device 1, the signal is detected, and the reception device 3 is called through the switching hub 34 and the ISDN modem 40. Thereby, the PC server 47 and the notification device 1 are connected through the ISDN modem 41 and the switching hub 42 of the reception device 3. That is, after the ISDN line is in a talking state, the PC server 47 sends the notification device 1 from the notification device 1 through the path of the infrared signal transceiver 16, the switching hub 34, the ISDN modem 40, the ISDN modem 41, and the switching hub 42. Connected.
[0038]
Thereby, two-way communication between the microphone 21 and the speaker 22 (FIG. 3) of the notification device 1 and the microphone 45 and the speaker 44 of the reception device 3 becomes possible. The monitoring device always monitors the reception device 3 through the monitor 50. When there is a notification, an image captured by a predetermined notification device is displayed on the monitor 50. At the same time, the monitor 50 also displays the position of the notification device.
[0039]
At this time, the notified contents, images, and other information are stored in the storage device 48. The observer operates the keyboard 51 and the like, and calls the informant who operates the notifying device using the microphone 45. The reporter responds using the microphone 21 of the report device. The voice can be heard from the speaker 44 of the reception device. As a result, a call is made between the supervisor and the reporter, and fault handling for any accident can be performed.
[0040]
FIG. 5 is a perspective view showing a specific configuration of the notification device.
The notification device 1 includes a box 10 containing various devices and a pole 11 extending upward. The box 10 is provided with a notification button 23 and a microphone 21 at a height that can be reached even by elementary school children. The pole 10 is provided with a red light 26, an infrared signal transceiver 16 and the like. The infrared signal transceiver 16 is used for wireless communication between the notification devices 1a, 1b, 1c,... Or between the notification devices 1a, 1b, 1c,. Is also good.
[0041]
The failure indicator 24 and the camera illumination lamp 25 are provided at appropriate positions on the box 10 or the pole 11.
The IP camera 20 and the speaker 22 are installed close to each other and at a height that is difficult for humans to reach, in order to prevent mischief and to steadily capture the face of the caller and photograph. In other words, there is a mischief suppression effect because the IP camera 20 is constantly taking pictures from high places where it is difficult to reach, and when the person making the emergency call is called from a high place, the direction of the unconscious call is When the user looks up at the speaker 22, the face or the like of the caller can be steadily captured by the IP camera 20 near the speaker 22 and photographed.
[0042]
FIG. 6 is an explanatory diagram of the standby monitoring operation during normal times of the system.
As shown in the figure, first, in the standby monitoring state, the control device is set so as to be able to monitor the notification from the notification device and the presence / absence of a device abnormality (step S1). On the side of the notification device, when the notification button is pressed or when there is a device abnormality, a state for reporting this to the control device is set (step S2). In addition, the reception device displays a standby screen (step S3). In a normal state, the communication line between the control device and the receiving device is disconnected. This is to reduce communication costs when a pay line such as a public line is used.
[0043]
In order to monitor the status of each device of the notification device on the control device side, for example, a method based on polling control can be considered. In this case, since an IP address is assigned to each device, an inquiry signal is transmitted to each device in order and a response is received. For example, when transmitting an inquiry signal to the IP camera 20, the IP camera 20 returns a response signal indicating whether or not the IP camera 20 is operating normally to the control device. Thus, the control device can determine whether or not the IP camera is normally photographing the target. A similar inquiry signal is transmitted to each of the devices such as the microphone 21 and the speaker 22 and the response can be received to monitor the status.
[0044]
If it is determined in step S4 that any device is abnormal, in step S5, the line between the control device and the receiving device is connected. The receiving device completes the line connection process (step S6), and displays the content of the abnormality on a standby screen (step S7). For example, when the speaker does not operate or the camera illumination lamp 25 does not operate, the fact is displayed on the screen. Further, the state is recorded as log data in step S9. The contents recorded in this way will be confirmed later by a watchman. After confirming the abnormal state, the line is disconnected in step S8. On the other hand, if there is no abnormality, the control device stores the status of each device in the storage device as log data in step S10.
[0045]
In this way, the control device always inquires each device of all the notification devices and records the state thereof to ensure that all devices are operating normally.
[0046]
FIG. 7 is an operation explanatory diagram at the time of transmitting an emergency call.
When the notification button 23 of the notification device is depressed, the reception device sends the notification signal to the IP address specifying the transmission source notification button 23, the IP address specifying the control device, and the notification signal, as described above. And transmits it to the control device. As described above, the IP address for specifying the report button 23 is a content including the IP address of the input / output controller 27 to which the report button 23 is connected, including the sub-address for specifying the report button 23 (step S22). ).
[0047]
On the other hand, at the same time, the red lamp 26 is turned on in step S24, and the camera illumination lamp 25 is further turned on. In step S25, the IP camera 20 continues to send the image data currently being photographed to the control device at predetermined intervals. This process is not different from the normal process. In step S26, the control device receives the notification signal and confirms the content of the notification signal. In step S27, the control device establishes a line connection with the reception device. When the line is connected, the reception device displays information included in the notification signal on a monitor screen in step S30. The control device stores the image data transmitted from the notification device (step S28), and when receiving the notification signal, transmits the image data after the notification to the reception device using the connected line in step S29 when the notification signal is received. The accepting device saves the image data transmitted in step S31 so that the content can be checked at any time using the monitor. Since the notification device and the reception device can directly communicate after the notification, the image data after the notification is transmitted directly from the notification device to the reception device, whereby the processing speed is faster.
[0048]
FIG. 8 is an operation explanatory diagram at the time of an emergency call and at the time of ending the emergency call.
When the notification button is depressed in the manner described with reference to FIG. 7 and an emergency notification occurs, a communication line is connected between the control device and the reception device. In this state, the notification device and the reception device are in the same state as when they are directly connected. Since an IP address is assigned to each device as described above, the receiving device can directly exchange information with each device on the network. First, a call is started in step S41. In step S43, the connection process between the reporting device that has received the report and the receiving device is completed.
[0049]
As a result, a call can be made between the reporter who has made a report using the reporting device and the supervisor standing by at the receiving device by using the microphone 21 and the speaker 22 of the reporting device and the microphones 45 and 44 of the receiving device. The content of the call is stored in the storage device in step S47. Note that the call start operation (step S46) requests that the image data captured in step S42 be further transferred in step S44. Then, in step S48, the notification time and the image data thereof are received, and in step S49, the information is stored in the storage device.
[0050]
In step S45, the image captured by the IP camera 20 of the notification device is displayed as it is in real time. In other words, the monitor actually captures the image of the caller and its surroundings on the monitor, and the observer can use the microphone or speaker to talk to the caller while watching the image, and check the reason for the call and the surrounding conditions. it can.
After responding to the caller in this way, an instruction to turn off the red light to end the emergency call is input (step S50). This can be achieved by packetizing an IP address designating the red light input / output controller 27, a server address designating the red light 26, an IP address of the receiving device, and a signal indicating that the red light is turned off, and transmitting the packet through the network.
[0051]
On the side of the notification device, the input / output controller 27 receives this signal and converts it into a signal for turning on and off the contact of the red light 26. Then, in step S52, the red light is turned off. When the call is further terminated, the process proceeds from step S53 to step S54, and the receiving device is returned to the state of the standby screen. Further, a packet signal for turning off the camera illumination lamp 25 is generated (step S55), and this is transmitted to the notification device. This signal is similarly converted to a contact signal, and the camera illumination lamp 25 is turned off.
[0052]
In step S56, the operation of the microphone 45 and the speaker 44 is stopped through the VOIP adapter 43 on the receiving device side (step S56). Thereafter, in step S57, it is determined whether there is a report from another reporting device. If there is no notification, the process proceeds to step S58, and the line between the control device and the receiving device is disconnected.
On the other hand, when there is another notification, the process proceeds to a process of starting a call with another notification device while maintaining the connection. Thereafter, the process may return to step S46.
[0053]
As described above, each device such as a camera, a speaker, a microphone, an alarm button, and a red light provided in the notification device is connected to a network, and between the control device and each device, or If packet communication can be directly performed between the reception device and each device, for example, the control device does not have to perform relay between the notification device and the reception device. That is, once the control device connects the line with the receiving device, the receiving device is directly connected to the line of the notifying device, and there is an effect that information can be collected by directly controlling each device of the notifying device.
[0054]
FIG. 9 is a diagram showing another example of the notification device in the system of the present invention.
This notification device has a pole 61 and a box 62 erected on the pole 61 and containing various devices. On the front of the box 62, a notification button 63, a microphone 64, and an IP camera equivalent to those of the above-described embodiment are provided. 65, a speaker 66, an illumination lamp 67, and a red lamp 68 are provided. The notification button 63 and the microphone 64 are provided at a height that can be reached by elementary school children. It is preferable that the IP camera 65 be installed at a high place where it is difficult for children to reach as much as possible in order to prevent mischief. It is preferable that the speaker 66 and the speaker 66 are arranged at a place close to the IP camera 65. As a result, the face can be turned to the side where sound is emitted, and the face of the caller can be steadily captured and photographed.
[0055]
The microphone 64 and the loudspeaker 66 usually need to be spaced apart from each other by a certain distance or more in order to prevent howling. However, by arranging an IP camera 65 that provides an acoustic shielding effect between the two, the distance between the microphone 64 and the speaker 66 can be reduced. Thus, the configuration of the entire notification device can be made compact. Whether the camera and the speaker are arranged at a sufficiently high place or arranged so as to be close to each other for compactness may be selected according to the environment in which the reporting device is installed or the main reporter.
The notification device configured as described above can be used in the same manner as in the above embodiment.
[Brief description of the drawings]
FIG. 1 is a block diagram showing an overall structure of an emergency call system according to the present invention.
FIG. 2 is a plan view showing a state in which a number of notification devices used in the system according to the present invention are arranged on a road.
FIG. 3 is a block diagram showing a specific configuration of the notification device.
FIG. 4 is a block diagram showing a specific configuration of a control device and a reception device used in the system according to the present invention.
FIG. 5 is a perspective view showing a specific configuration of a notification device used in the system according to the present invention.
FIG. 6 is an explanatory diagram of a standby monitoring operation in a normal state of the system of the present invention.
FIG. 7 is an explanatory diagram of an operation when an emergency call occurs in the system of the present invention.
FIG. 8 is an operation explanatory diagram at the time of an emergency call and at the time of ending the emergency call in the system of the present invention.
FIG. 9 is a front view showing another example of the notification device in the system of the present invention.
[Explanation of symbols]
1, 1a, 1b, 1c,...
2 Control device
3 reception device
10 boxes
11 Paul
20 IP camera
21, 45 microphone
22, 44 speakers
23 Report button
24 Failure indicator
25 Camera illumination lamp
26 red light
28 VOIP Adapter
30, 34, 42 switching hub
35 Personal Computer
36, 47 PC server
37 Storage
38, 52 uninterruptible power supply
40, 41 ISDN modem
50 monitors
51 Keyboard

Claims (10)

A camera that transmits image data of a specific area through a network, a microphone that collects sounds generated in the specific area, a speaker that outputs a predetermined sound to the specific area, A plurality of notification devices having a notification button for transmitting a notification through the network,
Comprising a control device that is constantly connected to all of the notification devices via a network and a network relay,
The control device, when a notification button of any one of the notification devices is pressed, connects the network repeater and a reception device via a communication line different from the network, and connects the notification device with the control device. Means for interconnecting the device and the receiving device with each other via the network repeater,
The emergency notification system according to claim 1, wherein the notification device includes a unit that transmits information directly to the reception device. The emergency call system according to claim 1,
The emergency notification system according to claim 1, wherein the camera is provided with communication means capable of communicating with communication means of the accepting device using identification information including address information for specifying a communication destination on a network. The emergency call system according to claim 1,
Both the microphone and the speaker are connected to the network via a network connector, and the network connector uses the identification information including the address information for specifying the communication destination on the network, and An emergency notification system comprising communication means capable of communicating with communication means. The emergency call system according to claim 1,
The emergency notification system according to claim 1, wherein the control device includes means for acquiring and storing image data captured by the camera from all of the notification devices. The emergency call system according to claim 3,
The control device, by transmitting an inquiry signal to the camera and the network connector of the notification device and receiving a response signal thereof, means for detecting an abnormality of each device operating in the notification device,
An emergency notification system, wherein the communication line is connected at a predetermined timing, and information indicating the occurrence of the abnormality is transmitted to the reception device. In the emergency call system according to claim 1,
An emergency notification system, wherein each of the notification devices and the control device are mutually connected by a LAN (local area network). In the emergency call system according to claim 1,
An emergency call system, wherein the control device and the reception device are connected by a commercial telephone line. In the emergency call system according to claim 1,
An emergency call system, wherein the camera and the speaker are located closer to each other and higher than an average user's point of view. In the emergency call system according to claim 1,
An emergency call system, wherein the camera is arranged between the microphone and the speaker. In the emergency call system according to claim 1,
An emergency notification system, wherein the notification device, the control device, and the reception device are compatible with SNMP.

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