JP3415906B2 - Multipurpose emergency telephone system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multipurpose emergency telephone system, and more particularly to a voice level and noise test function for a call using a road emergency telephone installed along a highway, and a road emergency telephone. The present invention relates to a multipurpose emergency telephone system having a function of monitoring connected peripheral devices, a function that can be used by a deaf person, and the like.

[0002]

2. Description of the Related Art Conventionally, a road emergency telephone installed on a highway is generally used by a user to notify a management center of a failure situation when an accident or breakdown occurs due to a vehicle. .

FIG. 12 shows a conventional road emergency telephone communication system. As shown in the figure, when the emergency telephone 10 is used, when the handset is off-hook, the exchange 2 is controlled by the control of the emergency telephone control circuit (ELC) 40.
0 ₁ , transmitted on the trunk line 53 via the PVTs 51 and 52, and received by the management center 30. The management center 30
A user listens to a situation such as an accident through a voice call from the operator console 31, gives an instruction to the user according to the situation, and notifies another service organization of an instruction for responding to the situation. For example, in the case of an accident, the management center 30 contacts the nearest department with an emergency medical system in the case of emergency treatment, and the road service department in the case of failure by telephone line.

Further, regarding the failure of the emergency telephone, the failure is checked by automatically measuring the insulation resistance and the insulation capacity of the communication line of the emergency telephone. When a failure is detected, the worker goes to the place where the telephone is installed and repairs it.

[0005]

However, the above-mentioned conventional communication system has a test function by automatic measurement of the insulation resistance and insulation capacity for the communication line of the emergency telephone, but it has a voice level and the presence or absence of noise. It was found that the noise level was high when the user actually used it, because the automatic test of was not performed, and at that point, the user's voice was difficult to hear or the ambient sound was low due to the low voice level. There is a problem that the user's voice cannot be heard because it is erased, and the failure situation cannot be grasped.

The commercial power supplied to the information display boards and variable speed signs on the road is supplied from the power supply of the road emergency telephone, but the commercial power distributed from the power supply is cut off. The situation is that the management center 3
On the 0 side, the disconnection cannot be detected automatically because it is remote. Therefore, when the road management worker makes a patrol, the sign is lit and the disconnection is detected by visually checking the situation where the sign is not displayed, so that the sign is left as it is while the worker is not making a patrol.

Further, in the conventional emergency telephone system, after the user takes the emergency telephone off-hook, it is necessary to verbally report the accident situation, the failure situation, etc., and the deaf person has no way to inform the management center 30 of the situation.

The present invention has been made in view of the above points, solves the above-mentioned conventional problems, and can manage the states of the emergency telephone itself and peripheral equipment of the emergency telephone on the road. It is also an object of the present invention to provide a multipurpose emergency telephone system that can also be used.

[0009]

FIG. 1 is a diagram for explaining the principle of the present invention.

[0010] The present invention is connected with the very telephone communication line with very phone having a handset which is installed on a road, the management center for managing information from the emergency telephone
If, comprising a communication control means for controlling said communication line in a communication system for communicating between very phone and the management center, and the very phone via the PB signal bus contact
Communication monitoring means for monitoring the communication of the emergency telephone
And the communication monitoring means is provided for the emergency telephone.
When a call is received from the management center as a test request
The emergency telephone via the communication control means
Connect to the management center and call the emergency telephone.
The test type information indicating the type of test
To the target emergency telephone via the PB signal bus,
The emergency telephone to be tested corresponds to the test type information.
A predetermined response pattern to the management session via the call connection.
Send to your computer.

Further, the present invention is a multipurpose emergency telephone system, wherein a plurality of the emergency telephones are provided, and the communication supervisor is provided.
As a test request for the emergency telephone,
When receiving a call from the management center, use the above communication line.
If the emergency phone being used does not exist,
An ordinary telephone is connected to the management center via the communication control means.
Call connection, the test type information, and the plurality of emergency telephones
Emergency for identifying the emergency telephone to be tested
Telephone identification information and PB signal to the plurality of emergency telephones
Transmitting via the PB signal bus to the plurality of emergency telephones
The emergency phone identification information of the
Another information very phone that match, pair the test type information
Management of a predetermined response pattern via the call connection
Send to the center.

Further, according to the present invention, in a multipurpose emergency telephone system, when a call level test is performed as a test request from the management center 100 to the emergency telephone 200, the test type information is used as a call level test code to identify the emergency telephone. set information designation code very phone 200 to be tested as the test information 11, the communication monitoring unit 600 transmits the emergency phone 200 to be tested.

Further, in the multipurpose emergency telephone system according to the present invention, the communication monitoring means 600 determines the test information 18 in which the test type information is the power failure test code and the emergency telephone identification information is the designated code of the emergency telephone to be tested. Cycle of
To autonomously transmit to the emergency telephone 200, and the emergency telephone 20
If there is no response 19 from 0, it is determined that the emergency telephone as the test target is out of power.

Further, in the multi-purpose emergency telephone system according to the present invention, the emergency telephone 200 has a self-diagnosis function of PB signal transmission / reception diagnosis, telephone communication circuit diagnosis, lockout prevention circuit diagnosis, and fluorescent lamp diagnosis. As a result, when there is an abnormality, a predetermined code corresponding to the type of failure is transmitted as the failure information 13 to the management center 100 by the PB signal.

In addition, in the multipurpose emergency telephone system according to the present invention, the emergency telephone 200 transmits the failure diagnosis signal 14 to the peripheral equipment connected to the emergency telephone 200 at a predetermined cycle, and no response is made. In this case, it is determined that the peripheral device 300 has a failure, and the peripheral device failure information 15 is sent to the management center 100 by a PB signal.

In the multipurpose emergency telephone system according to the present invention, the emergency telephone 200 is provided with failure situation input means for inputting the failure situation of the emergency telephone user, and the failure situation information inputted by the user through the failure situation input means. 16
Is converted into a PB signal and transmitted to the management center 100. When the management center 100 receives the failure status information, the response information 17 is converted into a PB signal and transmitted to the emergency telephone 200 based on the failure status information 16. To do.

Further, in the multipurpose emergency telephone system of the present invention, when the emergency telephone 200 receives the response information 17 from the management center 100, it displays the response information 17 on the telephone.

Further, according to the present invention, in the multipurpose emergency telephone system, when the management center 100 receives the fault situation information 16 from the emergency telephone 200, the fault situation information 16 and the fault situation information 16 are displayed on the workstation 120.
The desired information is retrieved and displayed from the corresponding information storage means that holds the information for dealing with.

[0019]

According to the present invention, the PB signal is used for communication between the emergency telephone and the management center, so that the present invention can be used for various information exchanges without being limited to contact by voice communication of the emergency telephone.

As an example, by using the PB signal as the test information via the communication line and the relay line, the communication level test of the voice line can be carried out at a remote distance. Further, as the test information, a predetermined test code for power failure monitoring is prepared, and the monitoring result is transmitted from the emergency telephone by using the PB signal as the test information together with the test code, so that the management center 100 can perform the power failure monitoring test. It can be performed. Furthermore, a notification function such as a button for notifying the management center of the failure status is installed on the emergency telephone, and the failure status can be notified to the management center without using voice by selecting input from the function. Therefore, even a user such as a deaf person who cannot make a voice call can communicate with the management center. Further, the management center can grasp the situation even if the person who monitors the road service does not go to the place where the emergency telephone is installed. In this way, by transmitting the test information from the PB signal using the PB signal bus and the communication line, the control center can access the emergency telephones and incidental facility inspections detected by the road service worker. The state of the facility installed in a remote place can be easily managed by using a trunk line.

[0021]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 2 shows the system configuration of the present invention. The system to which the present invention is applied as shown in FIG.
00, very phone 200 management center 100 for managing, very phone 200 and the management emergency telephone monitoring circuit for monitoring a communication-based state between centers 100 600, constituted by the peripheral equipment 300 connected to the emergency telephone 200 To be done. The management center 100 includes a management center system 130 for managing the emergency telephone 200, a workstation 120 connected to the system, and a test telephone 1.
It consists of 10.

In this configuration, the communication lines include a relay line for transmitting signals between exchanges, a communication line for transmitting voice from the emergency telephone 200 to the management center 100, and the like.
In the present invention, a PB signal bus for transmitting PB signals is used between the emergency telephone 200 and the emergency telephone monitoring circuit 600.

FIG. 3 is a block diagram showing a configuration example of the emergency telephone of the present invention.

The configuration of the emergency telephone 200 shown in the figure includes a control circuit 250, PB including a call level check circuit 210 for checking the call level and noise of a call line.
The signal generation unit 231, the PB signal transmission unit 232, the telephone communication circuit 251, the push button notification circuit 248, the liquid crystal display unit 24.
3, PB signal receiving circuit 234, lockout prevention circuit 2
36, protectors 246, 247, a power failure monitoring circuit 244, and a self-diagnosis circuit 700. The self-diagnosis circuit 700 includes a circuit control unit 235 and a fluorescent lamp lighting state diagnosis unit 2
39, timer 238, lockout prevention diagnosis unit 237,
Transmission / reception state control unit 233, thermometer 240, hygrometer 24
1, a peripheral device diagnosis unit 252 and a diagnosis result output unit 242.

Hereinafter, various embodiments of the above structure will be described.

<< First Embodiment: Communication Level Test >> First,
First, as a first embodiment, a case where a communication level test is performed between the emergency telephone 200 and the management center 100 will be described.

FIG. 4 shows a system configuration during a communication level test of the first embodiment of the present invention.

The system shown in FIG.
0, emergency telephone 200, exchange 400, emergency telephone control circuit 500, and emergency telephone monitoring circuit 600. In addition, a PB signal bus 801, a communication line 802, an information bus 803, and a relay line 804 are shown as communication lines.

The management center 100 includes a test telephone 110,
It has a workstation 120 and a measuring device 150 for measuring the call level, and dials the telephone number given to each of the emergency telephones 200 ₁ , 200 ₂ , ..., 200 _n from the test telephone 110. The test is performed by using the call line 802 of the telephone set 200 as a call level test target. Workstation 120
Receives the test result, and determines the state of the current communication level together with the test notification. In addition, each telephone designation code of each emergency telephone 200 is set to 1 to n. Therefore, emergency telephones 200 ₁ = _{1 and} 200 ₂ = 2,
_Let 200 _n = n.

FIG. 5 is a sequence chart of a speech level test according to an embodiment of the present invention. When the test telephone 110 of the management center 100 makes a call to the emergency telephone monitoring circuit 600 to test the emergency telephone 200 ₂ (step 1), first, the emergency telephone monitoring circuit 600 is sent to the emergency telephone monitoring circuit 600 via the exchange 400. connected, very phone monitoring circuit 6
A ringing tone is returned from 00 to the test telephone 110 of the management center 100 (step 2). Very phone monitoring circuit (test trunk) 600 inquires whether there are very telephone 200 is currently in use for very telephone control circuit 500 (Step 3), that there is no telephone in use from very telephone control circuit 500 Is confirmed (step 4). The emergency telephone monitoring circuit 600 connects the call line 802, which is connected to the emergency telephone control circuit 500 from the emergency telephone 200 ₂ to the emergency telephone monitoring circuit 600, and connects the PB signal bus 80.
1, the test code "B" for testing the communication level and the telephone designation code "2" of the emergency telephone 200 _2.
Is converted into a PB signal and transmitted (step 5). The emergency telephone 200 sends the specific PB code pattern "* 001 ... #" to the telephone line 802 when the telephone designated code in the transmitted signal (B2) matches the own number. (Step 6). The call level can be determined by measuring this pattern with the measuring device 150 via the test telephone 110 of the management center 100.

FIG. 6 is a block diagram of a call level check circuit of an emergency telephone according to an embodiment of the present invention. The call level check circuit 210 of the emergency telephone shown in the figure is composed of a signal dividing section 212, an own pattern holding section 213, and an AND circuit 214. The PB signal receiving circuit 234 inputs the PB signal including the test code and the telephone designation code sent from the emergency telephone monitoring circuit 600. This PB signal is passed to the signal division unit 212. The signal division unit 212 divides the PB signal corresponding to the test code and the PB signal corresponding to the telephone designation code. In the AND circuit 214, the telephone designating code is the own pattern holding section 2
If it corresponds to the telephone designation code held in No. 13, the result is sent to the PB signal generation unit 231. PB
The signal generation unit 231 outputs a signal pattern “* 001 ...” That indicates that the input PB signal matches the own telephone designated code.
... # "is generated and sent to the PB signal sending unit 232.
The PB signal transmitter 232 transmits the PB signal to the management center 100.
Of the test telephone 110. As a result, the measuring device 150 on the management center 100 side becomes the workstation 1
Signal pattern “* 001 ... #” received using 20
Is detected, and if it matches a predetermined pattern, it is determined that the communication level is normal.

Although the test telephone uses the call line 802 in the above-mentioned example test, the test can be performed via the relay line 804, so that the test can be performed remotely.

<< Second Embodiment: Power Failure Monitoring of Emergency Telephone >>
Next, as a second embodiment, a case of monitoring a power failure of an emergency telephone will be described.

FIG. 7 is a sequence chart for monitoring a power failure of the emergency telephone according to the second embodiment of the present invention.

First, the emergency telephone monitoring circuit 600 autonomously and periodically sends the power failure test code "A" and the telephone designation code "1 to n" to the PB signal bus 801 by PB signals. First, the emergency telephone monitoring circuit 600 includes the emergency telephone 2
00 ₁ Sending PB signal "A1" (Step 1
1), after the PB signal is transmitted, the same telephone code "1" as the transmitting telephone designation code "1" is returned from the power failure monitoring circuit 244 of the emergency telephone 200 ₁ within a fixed time only when there is no power failure. (Step 12) indicates that power is being supplied. In addition, it is determined that the emergency telephone that has not returned after a certain period of time has passed after the PB signal was transmitted has a power failure.

In the emergency telephone monitoring circuit 600,
By transmitting the power failure test code “A” and the next telephone designation code to each emergency telephone 200, it is possible to test the power failure state of all the emergency telephones 200 managed by the emergency telephone monitoring circuit 600. A flowchart of processing in this case is shown in FIG. It is determined whether the power failure monitoring performed by the emergency telephone monitoring circuit 600 is performed individually for all emergency telephones or for all emergency telephones (step 101). The telephone set 200 is designated, the power failure test code "A" and the telephone designation code are set (step 103), and PB is set.
The signal is converted into a signal (step 104) and sent to the designated emergency telephone 200 (step 105). When the telephone designation code "*" is designated and all emergency telephones are to be monitored, the initial value (i) of the number is set to 1 (step 106), and the power failure monitoring code "A" is designated with the initial telephone number. A code is set (step 107), converted into a PB signal (step 108), and sent to the emergency telephone 200 (step 108). Here, if the processing for the number i of all the emergency telephones managed by the emergency telephone monitoring circuit 600 has been completed (step 110), it waits for the return PB signal from the last emergency telephone and ends. When the processing for all the number of emergency telephones is still left, the processing from step 106 is repeated with the number i = i + 1 (step 111).

In the power failure monitoring of this embodiment, if there is no PB signal for return from the power failure monitoring circuit 244 of the emergency telephone 200 to be monitored, the emergency telephone monitoring circuit 6
00 from the management center 100 to the power center PB
Send using a signal. The management center 100 displays the power failure on the workstation 120 or the like, or grasps the power failure state of the emergency telephone by the LED display or the like on the operation desk of the management center 100. As a result, the management center 100 can notify the road worker of the power failure and prompt the recovery work. By monitoring the power failure of the emergency telephone in this way, the peripheral devices connected to the emergency telephone can be monitored. That is, if at least the emergency telephone is in the power failure state, the connected peripheral devices also have the power failure.

<< Third Embodiment: Fault Notification Process for Deaf People >> Next, as a third embodiment, a case where a deaf person uses an emergency telephone will be described.

FIG. 9 is a front view of an emergency telephone for the deaf person according to the third embodiment of the present invention. This figure is a view of the emergency telephone as viewed from the front.
Four types of buttons 221, 222, 22 for emergency disabilities
3 and 224 are provided, and LED2 is provided corresponding to the button.
25, 226, 227, 228 are provided, and when the user presses a desired button, the LED corresponding to the pressed button lights up. Further, this LED is turned off by an operation on the management center 100 side when the management center 100 recognizes a failure and performs some processing. Liquid crystal display unit 229
Displays a message from the management center 100.

When the user uses the emergency telephone of the deaf and hard-bodied person, if the button corresponding to the fault on the emergency telephone 200 is pressed, the push button notification circuit 248 detects this and informs the management center 100 of the fault. Notice. This allows
When the emergency telephone 200 receives the failure information, the failure information is converted into a PB signal and sent to the management center 100 via the PB signal bus 801. However, during the PB signal transmission (about 100 ms), the transceiver of the emergency telephone and the communication line 802
By disconnecting the
Can be delivered without noise.

FIG. 10 is a diagram for explaining the communication between the emergency telephone and the management center of the deaf person's specification according to the third embodiment of the present invention. For example, if the user has a “failure” button 221
When is pressed (step 301), the emergency telephone 20
The LED 225 corresponding to the pressed button 221 above 0 lights up (step 302) and the push button notification circuit 2
The PB signal of failure code "1" is sent from the emergency telephone 200 to the PB signal bus 801 by the 48 together with the telephone designated code to the management center 100 via the emergency telephone control circuit 500 (step 303). When the management center 100 receives this PB signal, the CRT display 120
Is monitored which telephone is the faulty emergency telephone (step 304). For example, by searching the file in which the road service information is stored, the location of the emergency telephone closest to the location is set. Call the load service (step 305). When this process ends, the management center 100 sends the LE of the emergency telephone 200.
A signal for turning off D is sent to the emergency telephone 200 (step 306). Further, a message such as "please wait for a while. Road service is approaching there" is displayed on the liquid crystal display 229 on the emergency telephone 200 (step 30).
7).

<< Fourth Embodiment: Self-test of emergency telephone >>
Next, the self-diagnosis function of the emergency telephone will be described as a fourth embodiment.

FIG. 11 is a diagram for explaining the self-diagnosis function of the emergency telephone according to the fourth embodiment of the present invention. Each self-diagnosis function shown in the figure includes a PB signal creation unit 231, a PB signal transmission unit 232, and a transmission state control unit 23 for diagnosing a PB transceiver failure and a telephone circuit abnormality in a telephone.
3, a PB signal receiving circuit 234, a circuit control unit 235, a lockout prevention circuit diagnosis unit 237 for diagnosing an abnormality of the lockout prevention circuit 236, a timer 238 for detecting a fluorescent lamp cutoff, a fluorescent lamp lighting state diagnosis unit 239, It is composed of a thermometer 240 for reporting the outside air temperature and a hygrometer 241 for reporting the outside air humidity.

Here, the diagnostic result output unit 242 converts the output information from each of the diagnostic circuits into a result notification code shown in Table 1, converts it into a PB signal, and then notifies the management center 100.

[0046]

[Table 1]

In Table 1 above, "##" is the test result notification code, "N" is the telephone number, n is the abnormal PB code (0 to 9, *, #), and "aa" is the outside air temperature ( * Is +
A value, # is a-value, and "bb" is an outside air humidity (* is a + value, # is a-value).

First, regarding the failure of the PB signal transmitting section 232 or the PB signal receiving circuit 234, the circuit control section 235.
Connects the PB signal transmission unit 232 and the PB signal reception circuit 234 with each other, and generates the PB signal with the PB signal generation unit 231.
The PB signal receiving circuit 234 receives the signal transmitted from the B signal transmitting unit 232, and the circuit control unit 235 compares the PB signal. If they are the same, the PB signal transmission unit 232, PB
It is diagnosed that both the signal receiving circuits 234 are normal. If it is normal, the fact that it is normal is output to the diagnostic result output unit 242. On the other hand, when there is an abnormality, the diagnostic result is output to the diagnostic result output unit 242, and the diagnostic result output unit 242 sends the result to the emergency telephone monitoring circuit 600 together with the value of the abnormal PB signal.

Next, in order to detect an abnormality of the call circuit in the emergency telephone, the circuit controller 235 causes the call line 802 to be detected.
The PB signal receiving circuit 234 detects the PB signal transmitted from the PB signal transmitting section 232 via the PB signal transmitting unit 232 in the same manner as described above, thereby transmitting and receiving the same signal and diagnosing the signal as normal. If it is abnormal, the test result notification code and the designated code for the emergency telephone 200 are added and sent to the management center 100.

Further, in order to detect the lockout prevention circuit abnormality, the operation of the lockout prevention circuit 236 is judged by checking the lockout prevention circuit diagnostic section 237, and if there is an abnormality, the test result is notified. Management Center 1 with a code and a designated code for the emergency telephone
To 00.

In order to detect the disconnection of the fluorescent lamp, the timer 2
When the predetermined time is reached by 38, the lighting state of the nighttime built-in fluorescent lamp is confirmed by the fluorescent lamp lighting state diagnosis unit 239, and when it is not turned on, it is detected that the fluorescent lamp is off, and a test is performed. The result notification code and the designated code for the emergency telephone are added and sent to the management center 100.

When the above diagnostic results are normal,
“##-N-0” is sent to the management center 100.

Regarding the outside air temperature and the outside air humidity, the numerical values of the thermometer 240 and the hygrometer 241 are converted into PB signals in the same manner as above, and sent to the management center 100.

[0054]

As described above, according to the present invention, the call level can be tested in addition to the insulation resistance and insulation capacity tests performed on the call line of the emergency telephone, which is suitable for actual use. Communication quality can be satisfied. Also, since it is a call quality test between the management center and the emergency telephone user, a remote test can be performed using a trunk line.

Further, by periodically performing power failure monitoring regarding the power source, and transmitting the detected signal to the center when power failure is detected, the management center can immediately recognize the emergency telephone.

Further, by providing a push button on the emergency telephone as a measure against the deaf person, the cause of the failure can be recognized by displaying it as data instead of voice at the management center, and the deaf person also uses the response. By displaying the display on the emergency telephone, it becomes possible for both parties to communicate what they want.

As described above, various communication modes are possible by using the PB signal.

[Brief description of drawings]

FIG. 1 is a diagram for explaining the principle of the present invention.

FIG. 2 is a system configuration diagram of the present invention.

FIG. 3 is a block diagram showing a configuration example of an emergency telephone of the present invention.

FIG. 4 is a system configuration diagram during a communication level test according to the first embodiment of this invention.

FIG. 5 is a sequence chart of a call level test according to the first embodiment of this invention.

FIG. 6 is a block diagram of a communication level check circuit of the emergency telephone according to the first embodiment of the present invention.

FIG. 7 is a sequence chart for monitoring a power failure of the emergency telephone according to the second embodiment of the present invention.

FIG. 8 is a flowchart of a power failure state monitoring operation according to the second embodiment of this invention.

FIG. 9 is a diagram showing an emergency telephone according to the third embodiment of the present invention, which is a deaf-person type emergency telephone.

[Fig. 10] Fig. 10 is a diagram for explaining communication between the emergency telephone of the deaf and hardened person type and the management center according to the third embodiment of the present invention.

FIG. 11 is a diagram for explaining the self-diagnosis function of the emergency telephone according to the fourth embodiment of the present invention.

FIG. 12 is a diagram showing a communication system of a conventional road emergency telephone.

[Explanation of symbols]

10 PB signal 11 Test information 12 reply patterns 13 Failure information 14 Fault diagnosis signal 15 Peripheral device error information 16 Failure status information 17 Response information 100 management center 110 test phone 120 workstations 130 Management center system 150 measuring device 200 emergency telephone 210 Call level check circuit 212 signal divider 213 Own pattern holder 214 AND circuit 221 Failure button 222 Accident button 223 fire button 224 first aid button 225, 226, 227, 228 LED 229 LCD display 231 PB signal generator 232 PB signal transmitter 233 Transmission / reception state control unit 234 PB signal receiving circuit 235 Circuit controller 236 Lockout prevention circuit 237 Lockout Prevention Diagnostic Circuit 238 timer 239 Fluorescent lamp lighting state diagnosis unit 240 thermometer 241 Hygrometer 242 Diagnosis result output section 244 Blackout monitoring circuit 246,247 protector 248 push button notification circuit 250 control circuit 251 telephone communication circuit 252 Peripheral device diagnosis section 300 peripherals 500 Emergency telephone control circuit 600 Abnormal telephone monitoring circuit 700 self-diagnosis circuit 801 PB signal bus 802 call line 803 Information line 804 trunk line

Continuation of front page (56) Reference JP-A-4-275798 (JP, A) JP-A-63-117547 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) G08B 23 / 00-31/00 H04M 9/00-9/10 H04M 11/00-11/10 H04Q 3/58-3/62

Claims (9)

(57) [Claims] 1. An emergency telephone having a handset installed on a road, a management center connected to the emergency telephone via a communication line, for managing information from the emergency telephone, and communication control for controlling the communication line. A communication center for communicating between the emergency telephone and the management center, the communication monitoring means being connected to the emergency telephone via a PB signal bus and monitoring the communication of the emergency telephone. The means, when receiving a call from the management center as a test request for the emergency telephone, connects the emergency telephone to the management center via the communication control means, and executes the call to the emergency telephone. The test type information indicating the type of test to be performed is transmitted as a PB signal to the test target emergency telephone via the PB signal bus. Multipurpose emergency telephone system and transmitting a predetermined response pattern for the test type information to the management center via said call connection. 2. The multipurpose emergency telephone system, wherein a plurality of the emergency telephones are provided, and the communication monitoring means uses the communication line when a call from the management center is received as a test request for the emergency telephone. If there is no emergency telephone in operation, the emergency telephone is call-connected to the management center via the communication control means, and the test type information and the emergency telephone to be tested among the plurality of emergency telephones are connected. Emergency telephone identification information for identifying a telephone is transmitted as a PB signal to the plurality of emergency telephones via the PB signal bus, and the emergency telephone identification information among the plurality of emergency telephones identifies the own emergency telephone. The emergency telephone that matches the information transmits a predetermined response pattern to the test type information to the management center via the call connection. Mounting multi-purpose emergency phone system. 3. In the multipurpose emergency telephone system, when a call level test is performed as a test request from the management center to the emergency telephone, the test type information is a call level test code, and the emergency telephone identification information is used. 3. The multipurpose emergency telephone system according to claim 2, wherein a designated code of the emergency telephone to be tested is set as, and the communication monitoring means transmits it to the emergency telephone to be tested. 4. A said multipurpose highly telephone system, before Symbol communication monitoring means further, in the case of power failure test on the emergency telephone, a power failure test encoding the test type information in a predetermined cycle, the emergency telephone identification Sending test information autonomously to the emergency phone at a predetermined cycle with the information as the designated code of the emergency phone to be tested, and if there is no response from the emergency phone, the emergency phone to be tested has a power failure. The multi-purpose emergency telephone system according to claim 2, wherein it is determined that the telephone is present. 5. In the multipurpose emergency telephone system, the emergency telephone has a PB signal transmission / reception diagnostic function, a telephone call circuit diagnostic function, a lockout prevention circuit diagnostic function, and a self-diagnostic function of fluorescent lamp diagnostics. 3. The multipurpose emergency telephone system according to claim 2, wherein when there is an abnormality, a predetermined code corresponding to the type of failure is transmitted as failure information to the management center by a PB signal. 6. The multi-purpose emergency telephone system, wherein the emergency telephone transmits a failure diagnosis signal to a peripheral device connected to the emergency telephone at a predetermined cycle,
3. The multipurpose emergency telephone system according to claim 2, wherein when there is no response, it is determined that the peripheral device is in failure, and failure information of the peripheral device is sent to the management center by a PB signal. 7. In the multi-purpose emergency telephone system, the emergency telephone is provided with failure status input means for inputting a failure status of the emergency phone user, and the failure status input by the emergency phone user by the failure status input means. Information to PB
A signal is converted and transmitted to the management center, and when the management center receives the failure status information, the response information is converted into a PB signal and transmitted to the emergency telephone based on the failure status information. 2. The multipurpose emergency telephone system described in 2. 8. The multipurpose emergency telephone system according to claim 7, wherein the emergency telephone displays the response information on the telephone when the emergency telephone receives the response information from the management center. 9. In the multipurpose emergency telephone system, when the management center receives the failure status information from the emergency phone, the management center displays the failure status information on a workstation and handles the failure status information. 8. The multipurpose emergency telephone system according to claim 7, wherein desired information is retrieved and displayed from a corresponding information storage means for holding information.