JPS58156259A - Transmitting system of alarm information for public telephone set - Google Patents

Abstract

PURPOSE:To facilitate the maintenance, by performing the self-diagnosis in response to the off-hook, and informing a fault automatically to a prescribed area in accordance with the type of the fault. CONSTITUTION:A public telephone set consists of a telephone circuit part 10, a control part 20 and a coin processing part 30. In the case of an off-hook or detachment of a cashbox, a relay control circuit 50 actuates a contact gs in response to the actuation of a hook switch 40 or a cashbox switch 100. As a result, a DC loop is closed to a trunk line. At the same time, a CPU22 works to check the normal state of the trunk line. In addition, an inspection is given to the data on the coin collecting state of the cashbox which is stored in an RAM24. Thus a self-diagnosis is performed. If any item of diagnosis is not normal, this fault is displayed at a display circuit 60. Then the CPU22 opens a loop by controlling a forcible cut-off circuit 14 and then closes the loop again to give a dial transmission to the area to be informed in response to the type of the fault.

Description

[Detailed Description of the Invention] The present invention performs self-diagnosis in response to off-hook, and when an abnormality is discovered as a result of the self-diagnosis, a dial call is automatically made according to the type of abnormality, and the content of the abnormality is The present invention relates to an alarm information transmission method for public telephones that automatically transmits alarm information in response to a response.

A public telephone that sends an alarm when an abnormality is discovered as a result of self-diagnosis is based on the "Public Telephone Failure Monitoring System" (patent application ji14851 filed in 1973), which was filed separately by the applicant.
No. 1), but according to this, the same alarm signal is sent to the exchange regardless of the type and content of the abnormality, so the exchange , it is not possible to know the type and content of the abnormality, and the telephone must be tested remotely using a test stand, etc., and countermeasures must be taken, resulting in the drawback that it is difficult to deal with the occurrence of the abnormality. .

In addition, the above-mentioned system has the disadvantage that it is difficult to implement it in practice, as it requires a receiver and a display for each telephone set, and requires modification of the switching equipment.

The present invention has the purpose of fundamentally solving the conventional drawbacks, and performs self-diagnosis in response to off-hook, and if an abnormality is found, automatically selects the destination to dial according to the type of abnormality. This system provides an extremely effective system for transmitting alarm information for public telephones by dialing and transmitting alarm information corresponding to the details of the abnormality along with the user's own management number to the selected party. be.

Hereinafter, the present invention will be explained in detail with reference to figures showing examples.

FIG. 1 is an internal circuit configuration diagram when the present invention is applied to a central power supply type public telephone. In the figure, this public telephone is roughly divided into a normal telephone circuit section 10, a control section 20 that receives billing signals sent from an exchange (not shown) through this telephone circuit section 10, and controls coin storage, etc. We actually detect and sort coins based on the instructions of
The coin processing section 30 stores coins in a safe (not shown) for storing coins, or returns coins. In addition, it has a hook switch 40, a relay control circuit 50, a fitting circuit 60, and a numeric keypad type keyboard 7G having a 3×4 matrix configuration.

The telephone circuit section 10 has a central office line terminal Ll, I411C.
Otherwise, it is connected to an exchange (not shown) via a central office line. The station terminal Ll t L2 includes a bell circuit 11 for notifying that there is an incoming call, a billing signal receiving circuit 12 having a known configuration for detecting a billing signal from the exchange (not shown), and a diode bridge circuit 13, which will be described later. A relay contact gS operated in conjunction with a hook switch, a pulse sending and forced disconnection circuit 14, a power supply circuit 15 and a communication circuit 16 are arranged in sequence.

In the on-hook state, the contact gs is in the state shown, but when the handset (not shown) is removed, the hook switch 40 is activated, the relay control circuit 50 is activated, and the contact gs is switched to the opposite side from that shown.

Accordingly, the circuit 14 for the station line terminal Ll*L2
The DC loop including the communication circuit 10 is closed. Further, in the circuit 14, a transistor is inserted in series with the DC loop circuit, and it is always on, but when the dial signal is It turns on and off accordingly, and thereby sends a dial pulse to the exchange. In response to the output from the dial signal line and keyboard 10, the processor 22 generates a signal, which is sent to the dial pulse sending and forced disconnection circuit 14 via the input/output port 21.

Also, while this series of dial pulses is being sent out, a dial shunt signal is sent through the input/output port 21, which short-circuits the call circuit 16 and prevents pulse noise from the dial pulses from being imparted to the caller. It becomes. That is, in the figure, when the DC loop is closed by the operation of the contact gs, the dial signal is initially at a high level, so the transistor Ql is turned on, and the transistors Q21Q3 start applying forward bias. Become Yo Zeon. On the other hand, when the dial signal becomes low level in a pulse-like manner in response to the dial operation, the transistor Ql is turned off, so the transistors Qw and Qs are also turned off, and by repeating this, the dial pulse corresponding to the dial signal is generated. is sent. Also, a continuous low level of the dial signal causes the DC loop to be disconnected.

Therefore, as will be described later, it may be necessary to forcibly disconnect the call by turning on the contact g1 as necessary.

Tonoha, diode bridge enclosure 13th floor, station line terminal L
DC voltage Of from the exchange applied to it Lg
i! Regardless of K, it is inserted in order to keep the polarity of the voltage applied to the circuit 14 and the electric conductor 11 constant. Furthermore, the power supply circuit 15 charges the capacitors C1t, C2*, and Cs individually via the backflow blocking diode D1*D and eD4 according to the Zener voltage of the constant voltage diode ZD1 generated by the loop current, and then connects these terminals. The voltage is supplied to each part as the power supply voltage VIE, VMGtVDD, and a high resistance R for current limiting, a constant voltage diode zbt, and a diode DssDsl are provided at the contact point, and the capacitor C2*C1 is connected even when not talking. This allows charging to take place. This is because the total amount of coins stored in the safe is stored in the variable memory 24 of the control unit 20, so a backup power supply voltage is required even when the call is not made, and the coin This is because the capacitor Cz that supplies the power supply voltage VMG necessary to operate the electromagnet during storage etc. has a large capacity.

On the other hand, as is well known, the control unit 2o controls the input/output port 2.
1. Processor (hereinafter referred to as CPU) 22 Fixed memory (hereinafter referred to as ROM) 'IS, Variable memory (hereinafter referred to as RA)
M) 24, but in this embodiment, it further includes a timing circuit 25 and a variable condition setting circuit 26. The timing circuit 2SFi is an oscillation circuit that generates a pulse with a period of 25m1, and provides an interrupt signal for causing the -CPU 22 to interrupt processing of the main quadrogram at a period of 25m5.゛The variable condition setting circuit 26 also determines, for example, the unit charge for local calls and the call time of 11141! mD
It is configured by a round digital switch circuit, etc., which arbitrarily sets the unit call charge and its own unique management number.

When the shift switch 40 is turned on due to off-hook, the contact gs is closed through the relay control circuit 50, and when the DC loop is closed, the capacitor Ct of the electric circuit 11 is charged. As a result, the power VDD is turned on to the CPU 22, and necessary data is written to the mAx 241c according to the processing program stored in the BO compression 1stc in advance.

A predetermined control operation is executed while exposing the body.

As indicated by the circle, interrupt processing is performed every time an interrupt signal is sent from the timing circuit 25.

This #1 is provided with an oscillation@80 that generates a multitone frequency (hereinafter referred to as MF) signal as alarm information and transmits it via the communication circuit 16 according to the control of the CPU 22, and also monitors the power supply voltage VDD. A voltage detection system is provided that allows the CPU 22 to operate only within a specified voltage range, and is activated when the safe for storing one coin is removed. A safe switch 100 is provided.

9. In FIG. 1, the coin processing unit 30 detects the insertion of a coin, determines whether it is a correct coin or not, and sends the result to the input/output port 21.
The coins accumulated in the orbit are selectively stored in a safe, or the remaining coins are discharged to a return slot in accordance with a signal sent from the input/output port 21 to the control unit 20. That is, the coin processing section 30Fi, the first to fourth material selection circuits 31v1 to 31v4, and the first to rattan 4 sensor/storage magnet sections 32v1 to 32V4.
．． It is composed of the material sorting circuits 31v1 to 31v4, a material sorting control circuit 33 for controlling each sensor, and a return preventing magnet 34 for setting a return preventing lever (to be described later) in a blocking state to enable stacking of coins. Here, the material sorting circuit and the senna/storage magnet part are each provided in four pieces in parallel, and this public telephone uses 4111 coins. If the coins are Vl, V2.VLV4, then the first to fourth material selection circuits and sensor/storage!Gnet part lines are provided in the orbits of each Sa coin, vl, v2.V2V5, respectively.
Processes coins inserted from each coin slot. In addition,
The return prevention magnet 34 is provided in common for each coin track. In addition, these material selection circuits 31v1 to 31
V4. Connect the sensor/storage magnet part 32v1 to 32v4 material selection control circuit 33 and input/output port 21.
Among the T-twins, a diagonal line is inserted and a number is attached next to it to indicate that the number of signal lines indicated by that number actually runs through it.

That is, the signal system between these is shown in detail in FIG. 4. Although the figure shows the case of the first material selection circuit 31v1 and the sensor/storage magnet section 32v1 as an example, other second to fourth material selection circuits 3
1v2 to 31v4 and sensor/storage magnet part 32
The same holds true for the relationships between v2 to 32v4, the material selection control circuit 33, and the input/output port 21.

In FIG. 4, the sensor/storage magnet section 32v1 includes a passage monitoring sensor 3 that detects when a coin is inserted into the track from the coin slot and passes through the mechanical sorting track.
5v1, a storage magnet 3@v1 for operating a storage lever to store coins in a safe, and a storage confirmation sensor 37VIK for confirming storage at that time.

Both sensors have a light emitting diode, a phototransistor, etc., which are arranged opposite to each other across the coin path, and are equipped with an oscillation circuit that generates a pulse for driving the light emitting diode.

Here, the turtle is a signal that acts on the material selection control circuit 33 to apply the IK power to the material selection circuit 31vIK after the initialization process, and also applies power to each sensor circuit.
b is a sampling pulse that drives the sensor 35v1 intermittently at a period of 3 m.

C is the detection signal of this sensor 35V1O. Also, d
is the one-shot output that is sent from the material selection control circuit 33 to the material selection circuit 31v1 in response to this C pulse.Only during this one-shot output, the material selection circuit 31v is sent to the material selection circuit 31v1.
1 is in the on state.

The material sorting circuit 31v1 includes a detection coil consisting of a pair of transmitting coils and a receiving coil arranged opposite to each other across the trajectory of the coin and electromagnetically coupled to each other, and detects a coin passing between the detection coils. Since the output of the receiving coil changes depending on the material, it is possible to select the material of the Todoro wrinkle coin, and after the power is turned on and the time necessary for stable operation has passed, one pass The detection signal CDI and the material selection signal PDI are sent to the input/output port 21. The edge detection 4611 placed at the beginning of the above-mentioned interrupt processing program performs CP at a cycle of 25m5.
The data is taken into U22 and stored in RAM24.

Note that the configuration and operation of the material selection circuit 31v1 and the material selection control circuit 33 are well known, and
A detailed explanation of rounding that is not directly related to the gist of the present invention will be omitted. In addition, CMl is a storage magnet) 36V1 operation command signal, e is a signal that turns on the light-emitting diode of storage confirmation sensor 37V1 at timing slightly delayed from CMl as described later, and CM1 is this sensor. This is the storage detection signal of 3TV1.

FIG. 3 is a flowchart showing the alarm information transmission operation of the entire telephone set. When 1 off hook or safe removal I is performed, relay control enclosure 50 is activated as a contact point in response to the operation of hook switch 40 or safe switch 100. In order to operate g8, one DC loop for the office line is closed, and the CPU 22 responds by detecting the light emitting state corresponding to the loop current of the light emitting diode inserted into the communication circuit 16 using a phototransistor. By means of checking whether the central office line is normal or not, at the same time, RAM2
4. Checks the data on the storage status of coins stored in the safe to determine whether the safe is full or just before full, and also checks whether the safe has been removed according to the status of the safe switch 100, and 1 self-diagnosis I is performed by checking other predetermined inspection points, and if any of the diagnostic items is in an abnormal state, the display circuit 60 is controlled to perform 1 black display I to display the abnormal state. do.

Next, the CPU 22 controls the forced disconnection circuit 14 to
After opening the loop, closing the loop again, and controlling the forced disconnection circuit 14 to perform 1 automatic dialing, which dials the notification light according to the type of abnormality, the turtle Waiting for other party's response - Enter, % charge signal received! It becomes IO judgment state.

However, if the exchange is a prepayment system, the charge signal will arrive immediately upon response from the other party, and the %@payment signal signal i# will be Y.
With ES, the % charging signal flag is set, but if the exchange is a post-storage system, the charging signal will not arrive even if the other party responds, and the DC loop will not open after the other party responds. In response to this, “Charging signal is arriving at the moment of arrival, so % charging signal reception〒I is %30s while No”
Even if the ec standby I is performed and the % charging signal flag set l is not performed, the CPU 22 controls the oscillation circuit 80 as 30 s·C elapses, and performs the 9-alarm information transmission l depending on the content of the abnormal state.

Next, what about the % charge signal? It is checked whether the same flag is set in Yliil, and if it is Yliil, it is a first storage method, so the series of operations is immediately finished, but if No, it is a later storage method, so it is forced. By controlling the disconnection circuit 14, the '5oon s@a loop is opened, and the state enters the % charging signal reception standby I state.% charging signal received? If YES is selected, the series of O operations is completed.

If the last % charge signal reception 11 is NO, it is determined that the other party is busy, and the process from 1 automatic dial l is repeated 5 times.

In addition, the dial destination ↓ for 1 automatic dialing is, for example, the telephone maintenance center and the call charge collection center.If the abnormality is not related to the safe, it will be sent to the maintenance center, and if the abnormality is related to the safe, it will be called to the collection center. A dial call is made to the center.

Further, a unique management number is set in the telephone set by a variable condition setting circuit, and alarm information is transmitted in a format in which data indicating an abnormality is followed by data of the management number.

However, if the content of the abnormality is the removal of the safe, PAM24
The CPU 22 reads out information on the number of coins stored in the safe according to the type thereof, and, following data indicating removal from the safe, data indicating the number of coins received is transmitted.

FIG. 4 is a comprehensive flowchart showing the control operation of the CPU 22, which includes initialization based on off-hook, and clearing of each data in the RAM 24 except for necessary data such as the previous alarm information transmission data. After that, perform the above-mentioned 1 self-diagnosis J6 Process I, and if the abnormality is only related to the safe, 1 call permission TI
Select tYES, perform 1-dial control processing 3ml to block calls from prohibited numbers and allow free calls from specific numbers, etc., and then press the hook switch 4.
゜Check the O status, and if it is off-hook, set the H8 flag indicating off-hook.

Next, the %H8 flag? ' is checked, and if it is set to YES, the call is allowed and the coins are stored in response to the arrival of the 1-charging signal. If it is NO in the reset state, it is determined that it is an on-footer, and the DC loop is opened, and the %HOOK Asahiri I is performed to reset the Ha Mitsura, and then the alarm processing II is performed to transmit the above-mentioned alarm information. “H.S.
flag! 'C) Finish the series of operations in response to NOK.

This is a flowchart showing the details of the 1-alarm processing I in Figure 5. Checked by i1,
If this is YES, perform 1 alarm data check processing I such as arranging the abnormal data stored in the RAM 24 according to the transmission order, perform 1 alarm data analysis processing I described later, and perform maintenance. 1.Maintenance-related failure to determine whether it is an abnormality that should be reported to the center or not!
Judging carefully, if this is YIC8, then 8mm M24
Specify the address where the maintenance center dial number is stored in 1 maintenance center dial number address set l, and specify the address of the maintenance alarm register provided in RAM 24 using rich alarm register address set l. After specifying the ``1'' alarm input process I, the data indicating the abnormality is edited to the state to be sent as alarm information, the 1 alarm code conversion process I is performed, and the 1 alarm 'sending set process described later is performed. The alarm information is transmitted by p.

First, following this, it is determined whether there is an abnormality related to the safe based on the failure iI related to the Kame safe, and this is ymrt'6.
If so, specify the address of the RAM 24 where the dial number of the bill collection center is stored in the top p, and then perform the 1 alarm input Asahi Tsu I as described above, and perform the 1 alarm code conversion process. After carrying out III, alarm information is transmitted by 1-alarm transmission set processing, which will be described later.

In addition, since the safe removal time is generally 5 minutes in the case of money collection, this is monitored by a timer for safe theft check, and depending on the time up, 1 safe thief 1 is detected.
11? 't-YES', and a turtle safe check process ff1I such as setting a safe theft flag is performed.

FIG. 6 is a flowchart showing the details of 1 alarm data analysis Asahiri I in the FSS diagram, and includes the note alarm register/address set of RAM 24 - 1 alarm maintenance register/address set l and 1 alarm collection register/address set l. After reading these contents, judge whether the contents of the alarm register are YES or NO of -72-Mure Sister (KJK & SI)↑l, and if this is YB2, send the data for the collection center. After setting the number of coins of each type stored in the safe into the transmission register using the 1-collection data set I,
- Increment the read address of the alarm register by alarm register address +Ig.

Also, 1 alarm register customer (just before full)? #.

-72-Mure sister (safe full) iI Oyohi alarm register (central line disconnected)? In response to fOYE8, the same collection data set p as described above is performed.0 If the results of these judgments are NO, the abnormality is for the maintenance center, so the content of the abnormality is sent to the register for transmission. The data set IK is reset and 1 alarm register address + II is performed as before.

ζ Nohoka, the read address of the alarm register is 1
Alarm register address END? While # is No, it is incremented sequentially, and if it becomes YES, the series of operations ends.

Diagram 7 shows the 1 alarm sending set process # in Figure S.
On the 70-chart indicating 0WIIi, after clearing the charging 7 lag set in response to the reception of the charging signal using the 11I gold flag clear l, change the dial digit counter for automatic dialing to the 1 dial digit counter.・After shifting by clear I and sending out a redial pulse by 1 dial sending I, perform the turtle interval timer (4) start I for the post-storage method, and while the % charge flag ↑I is NO. is 1 interval timer (A) 30
sec? '% charge flag via NO?' Continuing the judgment of I, 1 interval timer (4) 30 aea?
If ' is YES, the state shifts to 1 call circuit disconnection and the %MF signal for alarm information is transmitted.

For example, if the first storage method is used, - interval timer (4
) Immediately after the start I, if the % charging flag TI becomes YES, the 1-interval timer (2) that regulates the timing after the other party's response starts 1, and the 1-interval timer -v@]ilΦ? Tortoise call circuit disconnected in response to #0YE8? Move to.

In addition, the storage status of the dial number in the RAM 24 is as follows.
Since the end code is stored next to the series of numbers,
For the purpose of returning the address to the beginning of the series of numbers, the -dial digit counter +11 is performed and the 1 dial output register? 11l gold flag again according to fCYE8! I
O check is done, and according to this YES, it is determined that the first storage method is used, and 1 alarm is sent and 7 lag set I
and store the transmission of alarm information.

If charging 7 lag iI is NO, it is determined to be the post-storage method, and after performing turtle loop opening I, check 11I gold flag TI, and set one alarm sending flag according to YB2 of this. @ Furthermore, if the % charging flag ↑I is No even after 1 loop is released, 1 interval timer (2) 11sl*! In response to YIC8 of 1, it is determined that the other party is speaking, and the same operation is repeated.

This #1 or 1 initial 2 size I in FIG. 4 is also performed in response to removal of the safe, so the above control operations are similarly executed in this case as well.

Therefore, self-diagnosis is performed in response to off-hook or removal of the safe, and if an abnormality is discovered, a dialing destination is selected according to the type of abnormality, and the dialing destination is automatically dialed. will be carried out, and alarm information corresponding to the nature of the error will be sent along with the management number.
At maintenance centers, bill collection centers, etc., it is possible to know the occurrence of an abnormality in a public telephone without leaving the premises.

Note that when the safe is removed, the number of stored coins is notified for each type, making it easy to check the amount of collected coins.

MP signal, pulse signal, modulated signal, etc. may be used to transmit the alarm information, and the configurations shown in FIGS. 1 and 2 can be arbitrarily selected according to the conditions. , FIG. 3 to FIG. 7, the steps may be replaced or unnecessary steps may be omitted depending on the situation, and the present invention can be modified in various ways.

As is clear from the above explanation, according to the present invention, the occurrence of an abnormality is automatically notified to a predetermined department depending on the type of abnormality, so maintenance of public telephones becomes easy and various public Remarkable effects can be obtained in telephones.

[Brief explanation of the drawing]

The figures show an embodiment of the present invention. Fig. 1 is a block diagram of the entire configuration, Fig. 2 is a block diagram showing details of the material selection circuit and sensor/storage magnet section, and Fig. 3 shows the overall operating situation. Flowchart, FIG. 4 is a general flowchart showing the control status of the processor, FIG. 5 is a flowchart showing details of 1 alarm processing I, FIG. 6 is a flowchart showing details of turtle alarm data analysis processing I, FIG. is a flowchart showing details of 1 alarm sending set processing IO. Ll + Ll... Office line terminal, gs... Relay contact, 14 fist... Dial pulse sending and forced disconnection circuit, 16... Call circuit, 20... Fist/111J control IS, 22・ΦFist・CPU (processor), 23...
...ROM (fixed memory), 24...RAM, (
variable memory), 26...variable condition setting circuit, 30...
... Coin processing section, 40 ... Hook switch, 50
...Relay control circuit, 80... mL 10
0...Safe switch. Patent applicant: Kyokosha Tamura Electric Seisakusho agent: Masaki Yamakawa (and one other person) Figure 2 Figure 5 Procedural amendment (voluntary) 1. Display of the case 1982 Patent Application No. 38898 2, Name of the invention Public telephone alarm information transmission method 3, Person making the amendment Relationship to the case Patent Applicant name (name) (363) Tamura Electric Manufacturing Co., Ltd. 6. Contents of the amendment (1) “If removed” in page 4, line 11 of the fiJll book
Correct ``... operates,'' in line 12 of 乌M as shown below.
``The safe (not shown) was removed and safe switch 1.e was activated.'' (2) On page 19 of the same book, ``dial signal''
Subscribe to DPJ (3) In the first line of page 5 of the same book, click "Dial signal".
(4) Add rDfB to "dial shunt signal" on the 6th line of the same page in the same book. (5) Add rDfB to Add a handset. (6) Add "DP" next to "dial signal" in lines 11, 14, and 51117 of the same page in the same book. (7) Add rDPJ to "dial signal" in lines 18 to 19 of the same page of the same book. Correct it to "Fig." (9) Ibid. No. 1! ] [jlln line O "feeding motion" O "
To ``Outline of JtJl 1 person - Inquiry book Okain Iris 19th line Or, JC)-') If to ``
The power supply voltage VDDO rises) K is added. II Iris in the same book, line 16111116, “Iris 4 illustrations...”
``...''No M, page 16, line 17, ``...End.''
Correct the following and iJPbm. Figure 4 shows the overall 1 to 70
- First, clear each data except for necessary data such as the previous alarm information transmission data in Fukui Q4 by 1 initialization based on the normal off-seven check, and then perform the above-mentioned Will you be allowed to make one call if there is no abnormality after performing a self-diagnosis? ” is set to YES, and the dial control unit 111, which includes blocking the calling of prohibited numbers and allowing free calling of specific numbers, etc., is performed, and then the “input checking unit checks the status of the hook switch 4o, Even if this is an off-hook state, the H8 flag indicating on-hook is set. Next, @H8 Fugu? 1 is checked, and if this is the set state of Y-S, the call is allowed and coins are stored in response to the billing signal OII. If it is checked and removed, it is determined that it is on-hook, and the DC loop is opened, the H87 lag is reset, and the 100m1 IIK DC loop is reclosed.
After doing "Goox Fu Hire", I moved to "One Alarm Place" and ""Hg7Hg7 Lag? 1, the series of operations ends. On the other hand, if an abnormality is found as a result of the ``self-diagnosis process'' and the content is related to the safe other than removing the safe, the 1-dial control process 1!' is executed to allow only free calls that do not require storage of coins. If there is an abnormality in the call system, the process goes to the @HOOK process after going NO to ``Permit one call?''.In addition, after moving to the 'dial control process', if a call other than a toll-free number is dialed, , similarly moves to K "HOOK processing" via a route not shown. And “Hα Ward Treatment i
t"1 alarm processing after completion" sends alarm information corresponding to the abnormality to each center. When the safe is removed during on-hook, the safe switch 100 is activated, the contact port is switched by the relay control circuit i0, and a DC loop is formed in the same way as when the hook is off. When the voltage VDD rises and the CPU 22 starts up, 1 initial twist and 1 self-diagnosis process are carried out in the same way as when off-hook. Activation, that is, removal of the safe is detected, and the process goes through 1 call permission 'l'ONo to ``1100KI &1m'' and 1 alarm processing'', and if the removal of the safe continues for a predetermined period of time, it is determined that the safe has been stolen. and sends alarm information about safe theft to the collection center. ” B Add “after the 1st safe theft check timer set” next to “if any” on page 19, line 4 of the same book. "
Correct it to “Send/receive S**”. ■ Same book No. 21] 11111E4 line or'm1iill
Ill'Jtr1 Transmitter/Receiver short circuit" is corrected. a! 9 111t11E22jjj13th line DrjOi#
-@-"-J to 5th line "...is done." 5I
IWk. Correction of figures 1, II6, and 87 in attached sheet @ Above

Claims (1)

[Claims] In a public telephone that performs self-diagnosis on predetermined inspection points in response to off-hook, if there is an abnormality corresponding to the self-diagnosis, the DC loop to the central office line is opened and then the DC loop is closed again, The public shall select a dial destination according to the type of abnormality, automatically dial the number, and send alarm information corresponding to the content of the abnormality together with its own management number according to a predetermined format. Telephone alarm information transmission method.