JPH02218264A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To generate an error report through the use of reception paper only in the case of a communication error at the communication with an opposite station by registering the name of the opposite station significant for the use of the error report such as the opposite station communicated frequently with a registration means. CONSTITUTION:When a line is disconnected, a telephone number of an opposite station is detected from a CSI signal, and when the number is a telephone number registered in an abbreviation table and '1' is set to a T.30 monitor bit of the abbreviation dial table and a communication error takes place, the T.30 monitor print processing is applied to generate an error report.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a facsimile machine, and more particularly to a proposal for creating an error report when a communication error occurs.

In a facsimile machine, if the line condition deteriorates or a machine malfunctions during communication, a communication error will occur and the line will be disconnected during communication. In this case, in order to notify the operator of a communication error, small-sized machines conventionally display a message to that effect on a liquid crystal display, but medium-sized and larger machines record it on a receiving sheet.

The reason why small machines do not record on the received paper is to avoid wasting the received paper since the amount of paper is small. However, the method of displaying information on a display has poor storage stability, and in this respect, the method of recording on receiving paper, which is used in medium-sized and larger machines, can be said to be superior.

By the way, if every time a communication error occurs, it is recorded on the receiving paper as in the above-mentioned conventional technology, the receiving paper used to record received information would be wasted, and especially when communicating with a partner station that is not frequently communicated. Even when an error occurs, there is no need to go to the trouble of reporting it in a report format.

In view of these points, the present invention creates a communication error report when a communication error occurs with a necessary partner station, such as a partner station with which communication is frequently performed, and on the other hand, a communication error report is created when a communication error occurs with a necessary partner station, such as a partner station with which communication is frequently performed. To provide a useful facsimile machine that can ensure efficient use of received paper by not reporting using received paper in the event of an error.

Task ``Several sets L ((Δ91 stage) In order to achieve the above object, the facsimile apparatus according to the present invention includes a buffer memory for decoding and storing each transmission/reception control procedure signal and other predetermined data from among the transmission/reception signals; A registration means for registering which partner station it is necessary to create an error report when a communication error occurs, and a transmission terminal identification signal (TSI) or called terminal identification signal (CSI) during communication. specific station determining means for determining whether the partner station is a specific partner station registered in the registration means; means for detecting the occurrence of a communication error; and a printing unit that prints the digital data in a predetermined report format; and control means for controlling the drive and printing the contents stored in the buffer memory.

According to the present invention, by registering the name of a partner station with which communication is frequently performed in the registration means, an error report can be made using a receiving paper only when a communication error occurs when communicating with such a partner station. is created. Regarding communication errors with partner stations that are not registered in the registration means, it is possible to display them on a liquid crystal display, for example, as in a small machine.

Figure 1 shows a block diagram of a facsimile machine as an embodiment of the present invention, in which 1 is an operation panel section having a numeric keypad, function keys, a liquid crystal display, etc., 2 is a system program, etc. is stored in the ROM, and 3 is a RAM, in which a speed dial table as shown in FIG. 2 and a T.30 monitor soft area as shown in FIG. 3 are provided. 4 is a reading unit including a CCD, 5 is a printing unit including a thermal head, 6 is a character generator that generates a character bit pattern when a character code is input, and 7 is a communication error detection unit.

This detection unit 7 determines whether the control procedure signal is returned from the facsimile machine of the other station within a predetermined time and whether the control procedure signal returned from the own station is based on CCITT Recommendation T.30.
It is determined whether the signal is a procedure signal that complies with the above, and if it is not, it is determined that a communication error has occurred. 8 is a timer that measures the time interval of control procedure signals transmitted and received between facsimile machines; 9 is a called terminal identification signal (hereinafter referred to as C3) among the control procedure signals transmitted and received between facsimile machines;
This is a discrimination unit that detects the telephone number of the other station from the transmission terminal identification signal (hereinafter referred to as TSI) and the transmitting terminal identification signal (hereinafter referred to as TSI), and determines whether the number belongs to a specific other station.

Here, whether or not it is a specific partner station is determined by whether the bit "1" is set in the speed dial table in the RAM. This column corresponds to this. This T.3o monitor bit can be created at the same time as the operator registers the speed dial number. Figure 4 is a flowchart 1 showing the procedure. First, press the specified function key to set the speed dial registration mode, enter a two-digit speed dial number such as "00" 01 (sl), and then enter the other party's phone number (S2).
), a message indicating whether an error report needs to be created is displayed on the liquid crystal display (S3). If you need to create one, select Yes and the T of the speed dial table will be created.
- "1" is registered in the column of 30 monitor pin 1- (S4); otherwise, if No is specified, "0" is registered (S5).

Next, in FIG. 1, reference numeral 10 denotes a signal detection and decoding section which detects the control means signal from the transmitted signal and received signal during communication, and decodes other predetermined data. Here, the control means signal is 5I in the error report in Fig. 9.
These are signals indicated by codes such as NSF, DIS, and DC3 in the GNAL column, and the predetermined data is indicated by D in the figure.
Refers to numbers and symbols that indicate eye patterns, etc. in the ATA column.

The control procedure signal and data detected and decoded by the signal detection and decoding unit 10 are in code format as data 1 in FIG.
It is stored in area A3 and data 2 area A4. Also, the first
In the figure, 11 is a modem, 12 is an auto dial device, and 13 is a modem.
14 is a network control device that performs line control, and 14 is a CPU that controls the various units described above to enable communication with other stations.

FIG. 5 is a signal sequence diagram explaining communication between facsimiles, and FIG. 5(a) shows the case where communication is formally carried out.
Figure (b) shows a case where a communication error occurs midway, and the receiving preparation confirmation signal CFR is issued from the called terminal before sending the message, and the line is then disconnected.

FIG. 6 is a flowchart illustrating the operation of a facsimile machine that communicates in accordance with such a sequence.

First, when communication starts regardless of whether it is transmission or reception, the timer 8 is reset in step 311, and the RAM is
Each data stored in the T-30 monitor software in a is cleared. Subsequently, in step S12, the CCI
Communication is performed in accordance with TT Recommendation T.30. If the line is disconnected (S13), regardless of whether the communication has ended normally or there was a communication error during the communication, if the own station is transmitting, whether or not it has made an auto-dial call (S13).
4), it is determined whether the telephone number of the other station is registered in the speed dial table, and in the case of reception, the telephone number of the other station is detected from the C3I signal, and the number is registered in the speed dial table. It is determined whether the telephone number is currently available (S15). Step S14. If the determination in S15 is negative, the communication operation is terminated without determining whether there is a communication error or not and without creating an error report; however, if the determination is positive, step S15 ends.
16, it is determined whether "1" is recorded in the T.30 monitor hit of the speed dial table. If "1" focus is recorded, the process proceeds to step S1.
Proceeding to step 7, it is determined whether a communication error has occurred, and only if a communication error has occurred, T/3o monitor printing processing (S18) is performed to create an error report. In other cases, an error report is not created even if the other party's telephone number is listed in the speed dial table, if the monitor bit is "0" or if no communication error has occurred.

FIG. 7 is a flowchart illustrating in detail the error monitor subroutine of the T.30 communication procedure in step S12 of FIG. Note that this routine is executed every time each signal is transmitted and received. First, in step S21, it is determined whether the detected signal is the one sent from the facsimile machine or the one received. This determination is made, for example, by checking whether the modem is in demodulation mode or modulation mode. If it is a sending signal, proceed to step S22, read the value of timer 8 at that time, write it in the "timer value" area (/'zjl area in Figure 3) of the T.30 monitor buffer, and then write the value of timer 8 at that time. Reset 8 to 1-. This causes the timer 8 to measure the time interval until the next control procedure signal is detected.

After resetting the timer 8, the process advances to step S23 and T
-Write "1" to the A2 area of the 30 monitor buffer.

This means that the detected signal is an outgoing signal. The process then proceeds to step 324, where it is determined whether the detected signal is a control procedure signal, a training signal, a high speed signal, or the like. Such a determination can be made by detecting the FCF of an HDLC frame (not shown) constituting each signal in accordance with CCITT Recommendation T.30. When it is determined that the signal is a control procedure signal, the transmission data stored in the FIF of the same HDLC frame is read and the T.30 monitor buffer take 1 is sent.
The data is stored in the area (A3) (325), and the number of bytes indicating the amount of data is also stored in the same area (S26). On the other hand, if it is determined in step S24 that the signal is not a control procedure signal, the l.
The byte that means IX) etc. is stored in A3 of the monitor buffer
Write in the area (S27). Then, the Hyde number is set (S26). In the case of a control procedure signal and in other cases, when the cent of the number of bytes is completed, the pointer of the monitor buffer is updated by one, and new information can be written to the next address (328).

Next, in step S21, if it is determined that the detected signal is a received signal, the process proceeds to step S29, and the S
22, the timer value is sent to the buffer memory and the timer 8 is then reset. Next, the process proceeds to 330, where a "0" bit indicating a received signal is recorded in the AzjI area of the buffer memory. Thereafter, it is determined whether this received signal is a control procedure signal, and if it is a control procedure signal, step S32. Proceeding to S33, the received data is read from the PIF part of the HDLC frame constituting the received signal, is sent to the A3 area of the monitor buffer, and the number of bytes indicating the amount of data is also set.

On the other hand, if it is determined in S31 that the received signal is not a control procedure signal, it sets hide, which means training reception, f& (S34), checks the modem training result (S35), and determines that the training is good. , a bit "0" indicating this is set in the AnM area of the monitor buffer (S36).

On the other hand, A4f is used for buffers where training has failed.
Place an NG code other than “0” in the fI area (337)
. When this is completed, it is checked in step S38 whether there is a training check (TCP) signal. Since it is stipulated in Recommendation T.30 that the TCP signal consists of a continuous signal of 0s, the number of hides that are not all "0" in the TCP signal is set as the number of error hides in the A45 page area of the monitor buffer (S39). , read the eye pattern value, which is a clue to know the line status from the modem output, and use the same A4
A cent is placed in the area (S40). Once the above processing is completed,
Update one monitor buffer pointer (328)
.

As mentioned above, the subroutine of FIG. 7 is executed for each control signal. Therefore, the time interval between the previous control procedure signal and the current signal is recorded in the A1 area of the monitor buffer.
In the A3 and Aa eJf areas, the transmission and reception data of the current signal, the number of sesoto heights, the eye pattern, etc. will be recorded. These time intervals and data are all recorded for each control procedure during one communication.

FIG. 8 is a subroutine of step 318 in FIG. As described above, step 318 is a process that is performed only when the other station is a specific other station with ul" registered in the T.30 monitor bit during communication and when a communication error occurs.

In such a case, an error report as shown in FIG. 9 is recorded on the received paper. That is, first, in step S51, the heading of the error report is printed. The heading is “TNTERVAL” 5IGN in Figure 9.
AL'' is the character “DATA”.Followed by T.
30 monitor buffer pointer is increased by 552),
Print the time interval recorded in area A1 from the start of communication until the first control procedure signal is detected (S53).
. Next, AzF! It is determined from the transmission bit written in the Jf area whether the first control procedure signal is a transmission signal or a reception signal (554), and if it is a transmission signal, it is indicated by "" T-.
If it is a received signal, print the character “R-” to the right of the time interval (355, 356).
. Furthermore, the signal name recorded in the A3 area is read out, converted into characters, and printed (S57). In FIG. 9, the letter ``g'' corresponds to NSF. Furthermore, the data recorded in the A4 area is read out and printed on the right side of the NSF signal (S58). Once the data of one signal is printed, the T-30 monitor will stop printing the software by one
The time interval to the next signal, signal name, data, etc. are printed by repeating steps S51 to S58 again (S59).

Then, this process is repeated until the pointer value reaches the final value (S52). Thus, by executing the process shown in FIG. 8, a communication error report as shown in FIG. 9 is created.

As explained above, according to the facsimile apparatus according to the present invention, by registering in the registration means the name of a partner station that is meaningful for the use of error reports, such as the partner station that frequently communicates, Only in the case of a communication error during communication with a partner station, the received paper can be used to create an error report, thereby preventing wasteful use of the received paper.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing a facsimile machine as an embodiment of the present invention, FIG. 2 is a diagram showing a speed dial table, FIG. 3 is a memory map diagram of monitor panzer memory,
FIG. 4 is a flowchart showing the speed dial registration procedure;
Figure 5 is a signal sequence diagram of facsimile communication. Figure (a) shows the signal sequence during normal communication, Figure (b) shows the signal sequence diagram when a communication error occurs, and Figures 6 to 8 show the signal sequence during normal communication. Flowchart 1 for explaining the error report creation operation in the event of an error, FIG. 9 is a diagram showing an error report created according to the above flowchart. 5...Printing section, 7...Error detection section, 8...Timer, 9...Discrimination section, 10...Detection and decoding section Patent applicant: Material Machinery Co., Ltd. Figure 4 Flame Retardant 4-Rakansen Figure 5 (a) Ryosaki Akane Heshan Saimei Figure 9 Figure '01JF 1st IEI (Sunday) 4: ] 4

Claims (3)

[Claims] (1) It is necessary to create an error report when a communication error occurs between a buffer memory that decodes and stores each transmission/reception control procedure signal and other predetermined data from the transmission/reception signals, and any partner station. a registration means for registering whether there is a transmitting terminal identification signal (TSI) or a called terminal identification signal (C
a specific station determination means for determining whether the partner station in communication is a specific partner station registered in the registration means; means for detecting that a communication error has occurred; a printing unit that converts information into letters and numbers into letters and numbers and prints them in a predetermined report format; A facsimile apparatus comprising: control means for controlling the printing unit to print the contents stored in the buffer memory by driving the printing unit. (2) During facsimile communication, it is equipped with a timer means for measuring the time interval from the previous control procedure signal to the current control procedure signal, and each time each control procedure signal is transmitted, the control procedure signal sent and received before that control procedure signal is provided. 2. The facsimile apparatus according to claim 1, wherein the time interval is read from the timer means and stored in the buffer memory. (3) The facsimile apparatus according to claim (1), wherein the content stored in the buffer memory is cleared each time one communication starts.