JPS6139680A - Communication equipment - Google Patents

Abstract

PURPOSE:To enable to securely communicate by setting one call by detecting a special sound signal of an operator which is sent from a terminal at the opponent side and indicating with the sound signal to an opponent operator at the time of automatic transmission. CONSTITUTION:A network control unit 2 inputs a signal of a signal line 40a, and when the signal line 40a is a high level, a telephone circuit 2a is connected to an input signal line 2c of a hybrid circuit 10. The hydrid circuit 10 is a circuit which separates a receiving signal from the signal line 2 and the transmitting signal from a signal line 30a, and the receiving signal is inputted through a signal line 10a to a sound recognition circuit 16-a signal detecting circuit 22. When the opponent responds manually, the circuit 16 detects a sound signal of an operator, and a special sound detecting circuit 18 detects special sounds of ''Facsimile'' or ''Fax.'' in the sound signal of the operator and also indicates to the control circuit. By receiving this sound, a control circuit 40 operates a sound generating circuit 26 and gives necessary commands by means of the sound signal to the opponent.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a communication device, and particularly to a communication device that automatically makes a call via a predetermined communication line using a speed dial, a numeric keypad, or the like.

[Prior art]

Conventionally, facsimile machines having an automatic dialing function are known as devices of this type. Devices of this type include devices that use one-touch keys, speed dialing, and the like, and devices that automatically make calls using a numeric keypad or the like without picking up the handset.

A telephone line or a facsimile communication line is used as the communication line, and devices are also known that automatically make a call to a pre-entered destination at a specified time.

In general, a facsimile machine that automatically makes a call at a designated time detects a significant procedure signal transmitted from the called party immediately after making a call. At this time, if a significant procedure signal cannot be detected because the called party's facsimile machine is set to manual reception or the line is in use, it will take a certain period of time (
For example, after about one minute has passed, call again. This redialing is set to be performed at least twice.

Therefore, if the called device is still set to manual reception, the operator will always be waiting to answer, making it impossible to detect any meaningful procedure signals and making communication impossible. There is.

〔the purpose〕

The present invention has been made in view of the above-mentioned drawbacks of the conventional technology.
Alternatively, it is an object of the present invention to provide an efficient communication device that enables predetermined communication operations and that can reliably perform communication for one call setup.

〔Example〕

A G6 facsimile machine using a telephone line compliant with Recommendation T4 (Committee) will be described as an example.

FIG. 1 shows a block diagram of a control system of an automatic sending facsimile machine employing the present invention.

In Fig. 1, since the telephone network is used for data communication etc., 2 is connected to the terminal of the line to control the connection of the telephone exchange network, switch to the data communication path,
This is an NCU (network control unit) that maintains the loop. N.C.
U2 inputs the signal on the signal line 40a, and when the signal level is "0", the connected telephone line 2a is connected to the signal line 2b on the telephone 6 side.
1, the telephone circuit 2a is connected to the facsimile machine side, that is, to the input signal line 2c of the hybrid circuit 10. Under normal conditions, the telephone line 2a is the signal line 2 on the telephone 6 side.
connected to b. Furthermore, when the NCU 2 detects a reverse polarity of the signal on the telephone line 2a, it generates a pulse on the signal line 2d.

Telephone 6 is connected via signal switching circuit 4 . The signal switching circuit 4 switches the signal line 2b to either the signal line 4a of the telephone 6 or the signal line 4b of the calling circuit 8. The signal switching circuit 4 sets the level "0" to the signal line 40b.
'' or [By inputting the month, the signal line 2b is switched to the signal line 4a or 4b, respectively.

The calling circuit 8 is a circuit that generates a calling signal controlled by the signal line 40C+4 (ld).When a pulse is generated on the signal line 40C, the calling circuit 8 closes the DC circuit and closes the DC circuit after 3 seconds or more have elapsed. A telephone number outputted to the signal line 40d is input, and a selection signal corresponding to the telephone number is outputted to the signal line 4b.A function for confirming the tone of the line after opening the DC circuit may be added.

The input/output terminal of the facsimile machine is]・Ibrid circuit 10
It is composed of many parts. The hybrid circuit 10 is a circuit that separates a received signal inputted from the signal line 2C and a transmitted signal inputted from the signal line 30a. After the transmission signals are added by the adding circuit 30, they are transmitted from the hybrid circuit 10 only to the signal line 2C side. Also, the received signal is signal line 10a
16, 18, 20 and 22.

The voice recognition circuit 16 is for detecting the operator's voice signal when the other party responds manually, and outputs a level "1" to the signal line 16a when the voice signal is recognized.

The specific voice detection circuit 18 further detects a specific voice indicating a facsimile machine such as "facsimile" or "fax" in the operator's voice signal, and outputs the signal line 1.
A pulse is generated at 8a.

The CED signal detection circuit 20 detects the CED signal transmitted from the other party.
(called station identification signal), and when this signal is detected, a pulse is generated on the signal line 20a.

The signal detection circuit 22 receives N5Ti' transmitted from the other party.

When a combined signal of C8I and DNS is detected, a pulse is generated on the signal line 22a.

On the other hand, the transmission system circuits are coded 24, 26 and 28.
Blocks marked with are shown.

The signal sending circuit 24 sends out the NS8, TSN and DC8 signals corresponding to the N5Ii', C8I and DIS signals, respectively. Transmission of these signals is started by a pulse input to signal line 4,
The N8S, TSI and DC8 signals are input to the adder circuit 30 via the signal line 24a and added. When the signal sending circuit 24 finishes transmitting the signal, it generates a pulse on the signal line 24b.

The voice generating circuit 26 is composed of a voice synthesizer or a tape recorder, and outputs a voice message to the signal line 26a in synchronization with the pulses generated on the signal line 40b. If the other party's facsimile machine is set to manual and the operator is responding, the voice message will instruct switching to the facsimile communication channel. For example, "Please press the receive (send) button."

The signal sending circuit 28 is a circuit that outputs a CNG signal to the signal line 28a when a pulse is generated on the signal line 401, and generates a pulse on the signal line 28b when the transmission of this signal is completed.

The control circuit 40 controls the operation of the entire device including a microprocessor, memory, etc., and the above-mentioned signal lines are connected as shown. Connected to the control circuit 40 are timer circuits indicated by reference numerals 31 to 34 and an automatic transmission command detection circuit 38 for control to be described later.

The timer circuits 31 to 34 each have a signal line 40J.

40k, 401.40m, and clocks 3 seconds, 60 seconds, 45 seconds, and 35 seconds, and at the end of each clock, signal line 31a.

Pulses are generated at 32a, 33a and 34a.

The facsimile machine of this embodiment is equipped with a known operation system that automatically makes a call using a one-touch key, a speed dial switch, or a numeric keypad in an on-hook state (circuit not shown).
This automatic transmission command from the operating system is detected by the automatic transmission command detection circuit 38. If a command is detected, a pulse is generated on signal line 38a.

Next, the control procedure of the control circuit 40 will be explained in detail with reference to the flowcharts of FIGS. 2(A) and 2(B). In the flowcharts below, it is assumed that flows with the same number are continuous at that position.

Steps 850-. of FIG. 2(A). In '56, flags and each circuit block are initialized. That is, in step 850, a counter (built in the control circuit 40) C0UNT for counting the number of calls is set to "0". In step S52, a flag F'AXFLG indicating whether the other party's terminal is a facsimile machine is reset to "0".

In step 854, a level "0" is output to the signal line 4Da, and the NCU 2 connects the telephone line 2a to the signal line 2b, that is, to the telephone 6 side.

In step S56, level "0" is output to the signal line 401], and the signal switching circuit 4 changes the signal line 2b to the signal line 4a.
Connect to. As a result, the telephone set 6 is connected to the terminal of the telephone line 2a.

After the above initialization operation, the device enters a standby state in step S60. In step 860, the process waits until a pulse is generated on the signal line 38a, that is, waits for an automatic transmission command to be input, and if the command is input, control proceeds to step S62 and subsequent steps.

In step 862, the signal line 40 is
1], and the signal switching circuit 4 connects the signal lines 2b and 4b. As a result, calling circuits 8 and N
CU 2 is connected.

In step 864, the telephone number input from the operation system (not shown) is input to the calling circuit 8 via the signal line 40d.

In step 866, a pulse is input to the calling circuit 8 via the signal line 40C to output a selection signal corresponding to the input telephone number. As a result, the calling circuit 8 closes the DC circuit and outputs the selection signal after 3 seconds have elapsed.

In step 868, signal line 40! ! A pulse is generated to start the timer circuit 33. By this 45
Measurement of the calling operation time, which is set in seconds, begins.

In step 870, the level [month] is output to the signal line 40a and the telephone line 2a is connected to the signal line 2C side.

Subsequently, in the loop of steps 874 and 876, the signal line 2
d, check the status of 33a. That is, step 87
4, while checking whether a predetermined calling operation time of 45 seconds has elapsed, a pulse on the signal line 2d indicating a polarity reversal in response to a response from the other party is detected. If there is a response in step 874, the process moves to step 5102 in FIG. 2(B). Further, if it is confirmed in step 874 that 45 seconds have passed, the process moves to step S8B.

Steps 886 to 5100 show control of the number of automatic transmissions, and in step 8B6, the signal line 40a is connected to the level "O".
” and uses the NCU 2 to connect the telephone line 2a to the signal g2b on the telephone 6 side.

Next, in step 888, the signal line 401 is set to the level "O".
'' and the signal switching circuit 4 connects the signal line 2b to the signal line 4a of the telephone 6.

In step 892, a counter C is used to count the number of automatic calls.
Count up 0UNT by 1. Subsequently, in step 894, it is determined whether the contents of the counter have reached 3 or not. If this step is affirmative, it is assumed that three automatic calls have been made and the operation is stopped in step S96. If not, the process moves to step 89B to generate a pulse on the signal line 40k and start the one-minute timer circuit 32.

In step 5100, the state of the signal line 32a is checked to see if the one minute waiting time has ended. When the one-minute interval has ended, the process returns to step S62 and the above operations are repeated in order to perform the automatic calling operation again.

On the other hand, if it is confirmed in step 874 that a polarity reversal has occurred in the signal on the line, since the other party has responded, the process moves to step 5102 in FIG. 2(B).

In step 5102, a signal is generated on the signal line 40m and a 35 second timer circuit 34 is started. Next, in step 5104, a Noculus is generated on the signal line 40i,
A CNG signal is transmitted through the signal output path 28.

In step 5106, it is determined whether a pulse has occurred on the signal line 281], that is, the transmission of the CNG signal has ended. In step 8108, it is determined whether the flags FA, It is determined whether the If the other party is a facsimile machine, the process moves to step 5112, and if it is another terminal such as a telephone, the process moves to step 5110.

In step 5110, it is determined whether the signal line 16a is at the level [month], that is, whether the voice signal of the other party has been confirmed by the voice recognition circuit 16. Opponent step 511
Move on to 2.

In step 5112, it is determined whether a noise has occurred on the signal line 18a, that is, whether a specific voice such as "facsimile" or "fax" has been detected. At step 5114, a pulse is generated on the signal line 20a, that is, the CE of the other party's facsimile IJ device is detected.
T) It is determined whether a signal is detected. Step 8
If either 112 or 8114 is affirmed, the other party's facsimile is responding, or at least a facsimile in manual reception mode is connected;
Since facsimile communication is possible, flags F'AXFT and G are set in step 5116 and step 8118
Move to. If there is no possibility of facsimile communication, the flag is not set and the process directly moves to step 8118.

In step 5118, it is determined whether a pulse has occurred on the signal line 22a, that is, whether the NSF, C8I, and DIS signals transmitted from the other party's facsimile machine have been detected. If the signal is detected, proceed to step 5120, and if not detected, proceed to step 5.
Return to 106.

In step 5120, N8F, CHI and DIS
The NSS, TSI and DC8 signals responsive to the signals are outputted from the signal sending circuit 24 by generating pulses on the signal line 40f. Thereafter, in step 5122, known facsimile communication is performed.

On the other hand, if the transmission of the CNG signal has ended, in step 5124 a pulse is generated on the signal line 40j to start the 3 second timer circuit 61.

Subsequently, in step 5126, a time-up of this timer circuit is detected, and if the 3 second interval has ended, in step 8128, it is confirmed that the initial identification time of 35 seconds started earlier has ended. Unless the initial identification time of 35 seconds ends in step 8128, the process returns to step 5104 and repeats the transmission of the CNG signal at 3 second intervals. If the end of the initial identification time is confirmed, step 5
Moving on to 146.

In step 5126, until the 3-second interval has not ended, the operations from step 8130 onward are performed during this interval period.

In step 5130, as in step 8108, it is determined whether the other party is a facsimile machine by checking the contents of the flag F'AXFLG. If the other party is a facsimile machine, the process moves to step 5164; if it is not a facsimile machine, the process moves to step 5132.

In step 5132, similarly to step 5110, the voice of the other party is detected. If the voice of the other party operator is confirmed, the process moves to step 5142. If no voice is recognized, the possibility of facsimile communication is checked in steps 5134 and 5166 by the voice detection circuit 18 or the JD signal detection circuit 20, similar to steps 8112 and 8114. If facsimile communication is possible, a flag FAXFLG is set in step 5138;
If there is no possibility, the process directly proceeds to step 5140 without setting a flag.

In step 5140, similarly to step 8118, the signal detection circuit 22 detects the NSF, C8I, and DIS signals. If the signal is detected, proceed to step 896; if no trench is detected, proceed to step 51.
Return to 26.

As described above, the CNG signal is transmitted every 3 seconds during the initial identification time of 35 seconds, and the possibility of facsimile communication is determined during the transmission of this signal and during the 3 second interval, and a significant procedure signal is detected. If detected, facsimile communication is performed. When the voice signal of the other party is being detected, that is, when the operator of the other party is responding by telephone, the control from step 8142 onwards is performed.

In step 5142, a pulse is output to the signal 540g,
The voice generating circuit 12 outputs a voice to the other party's operator saying, ``Please press the 1 receive button (or ``send button'' if you want to receive an image). Then step 514
At step 4, a pulse is generated on the signal line 26b, that is, it waits for this audio output to end.

When the audio output is finished, the flag FA is set in step 5146.
Set up the XFLG and prepare for switching to the other party's facsimile machine.

On the other hand, in steps 8146 and 8148, initialization is performed before the operation ends. That is, the signal line 40a.

After outputting a level "0" to each terminal 40b and connecting the telephone line 2a to the telephone side and disconnecting the calling circuit 8 from the signal switching circuit 4, the process is stopped at step 5150.

As described above, when an automatic call is made, the procedure signal and specific voice signal sent from the other party are detected, and appropriate instructions are given to the other party's operator accordingly, ensuring reliability even if the other party is in manual mode. facsimile communication can be performed, and line connections can be used effectively. Further, even when the other party is responding by voice, if a specific voice such as "facsimile" is detected in the voice, a procedure signal is detected, so that the line can be used effectively. Further, since the voice generating means can give instructions according to the control to the operator on the other side, it is possible to urge the operator on the other side to perform appropriate operations.

In the second case, the voice instruction to the other party's operator is not limited to the image transmission/reception operation, but can also be used to give other instructions.

Although the second embodiment uses a facsimile machine as an example, the present invention can be widely implemented in other data communication devices that use telephone lines.

〔effect〕

As is clear from the above description, according to the present invention, there are provided a means for detecting a procedure signal sent from the other party when making an automatic call, a means for detecting a specific voice signal of the other party's operator, and a means for detecting a specific voice signal of the other party's operator. The system is equipped with means for giving instructions by voice to the receiver, and even if the other party is in manual mode, the communication operation can be reliably carried out in a predetermined manner according to the detection outputs of these detection means. It is possible to provide an excellent communication device that does not waste line connections.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the structure of a facsimile device as an example of a communication device according to the present invention, and FIG. 2 (4) and (B)
FIG. 2 is a flowchart showing a processing procedure of a control circuit in the apparatus shown in FIG. 1; 2...NCU 6...Telephone 8...
Calling circuit 16...-Voice recognition circuit 18...-Specific voice detection circuit 26...Speech generation circuit 61-64...
・Timer circuit

Claims (1)

[Claims] In a communication device that automatically makes a call via a telephone line and communicates with the called party's terminal using a predetermined method, detects a specific operator voice signal sent from the party's terminal that is set to manual mode when making an automatic call. What is claimed is: 1. A communication device comprising means for giving an instruction to an operator at the other end using a voice signal.