JPH07131624A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To eliminate a button for setting a polling receiving function and to automatically switch the polling receiving operation and a normal transmitting/receiving operation without the setting operation of an operator while using only the button for starting the communication. CONSTITUTION:When the start button of an operation/input part 104 is depressed, a mode detection part 110 detects an operating mode. When the operating mode is a reception mode, a timer part 109 starts counting time, and a system control part 102 detects whether a CED signal or an NSF.CSI.DIS frame signal is transmitted from an opposite side facsimile equipment through a MODEM 107 within fixed time or not. When those signals are transmitted within the fixed time, the polling receiving operation is started but when they are not transmitted, the normal receiving operation is started.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile machine having a polling reception function, and more particularly to a facsimile machine which automatically distinguishes polling reception from normal reception without operator's operation.

[0002]

2. Description of the Related Art A facsimile apparatus is a transmission apparatus capable of transmitting and receiving documents, drawings and the like as image information to and from a remote place using a public line or the like.

As a conventional facsimile machine, a facsimile machine having a polling reception function has been put into practical use. The polling reception function is a function of receiving a preset original on the transmitting side by an operation on the receiving side. In the G3 facsimile apparatus, the International Telegraph and Telephone Consultative Committee (CCITT) Recommendation T. It is defined as 30 standard functions.

In the polling reception function, the digital identification signal DIS from the called station is transmitted in the facsimile signal transmission procedure.
Is sent, the called station switches to the sending operation by sending a command signal DTC instructing the called station to send the document contents to the called station. It is possible to receive the original contents of the called station that has been set.

However, in the conventional facsimile apparatus having the polling reception function, the operation / input section is
In addition to the button that performs the normal reception function, a button that sets the polling reception function is provided. When performing polling reception, the operator operates the button that sets the polling reception function, and the facsimile machine receives polling reception. It was working.

Note that these polling functions are described in, for example, Japanese Patent Laid-Open No. 61-13870.

[0007]

In the above-mentioned prior art, there is a problem that the button for setting the polling reception function is required in the operation / input section, which increases the number of parts of the facsimile machine. In addition, the operator needs to operate this button to set the polling reception function each time polling reception is performed, and there is a problem that the operation takes time accordingly.

Therefore, the present invention eliminates the button for setting the polling reception function, and automatically switches the polling reception operation and the normal transmission / reception operation only by the button for starting the communication without the setting operation by the operator. An object of the present invention is to provide a facsimile machine having the same.

[0009]

In order to achieve the above object, according to the present invention, a mode discriminating means for discriminating whether an operation mode is a receiving mode or a transmitting mode, and a facsimile machine within a fixed time from a partner facsimile machine. And a time measuring means used for determining whether or not the transmission procedure signal is sent.

[0010]

The time measuring means starts measuring the time when the facsimile device calls the other facsimile device or the button for starting communication is set. Further, the mode detecting means detects the operation mode of the facsimile apparatus when the button for starting communication is set.

When the button for starting communication is pressed,
The operation mode is detected by the mode detection means, the reception mode is detected, and the CED signal, the DIS signal, the NSF signal or the CSI signal (from the partner facsimile machine) while the time measurement means measures a certain time. These signals will be described later.) Is detected, the polling reception operation is performed.

While the mode detecting means detects the reception mode, and while the time measuring means measures a fixed time, the CED signal, D
If the IS signal, the NSF signal or the CSI signal is not received, this facsimile machine detects the CED signal and the NS signal.
A frame signal composed of F, CSI, and DIS signals is transmitted to perform normal reception (non-polling reception) operation. When the mode detecting means detects the transmission mode, the transmission operation is performed.

Thus, it is possible to automatically switch between polling reception and normal transmission / reception (hereinafter referred to as automatic polling) without any special operation by the operator.

[0014]

EXAMPLES The present invention will be described in detail below with reference to examples.

FIG. 1 is a block diagram showing a facsimile apparatus as a first embodiment of the present invention. In FIG.
Reference numeral 101 is a reading unit for reading a transmission original, 102 is a system control unit for controlling the entire facsimile apparatus, 103 is a printing unit for recording and outputting the reception original, and 104 is for inputting an input key or a telephone number for starting transmission / reception. Operation / input section consisting of the numeric keypad, various mode input keys, etc.
Reference numeral 105 denotes a display unit including various displays such as liquid crystal, 106
Is a communication control unit that controls the transmission procedure, 107 is a modem that executes a predetermined modulation / demodulation process, 108 is a network control unit that controls the connection with the telephone line, 109 is a timer unit that measures time, and 110 is a transmission mode. Alternatively, a mode detection unit for detecting the reception mode, 111 is a telephone unit used for a call.

As the timer unit 109, if the facsimile apparatus has a clock function, the clock may be used. In that case, a means for calculating the elapsed time from the set time is necessary.

Before describing the operation of FIG. 1, first, how the general transmission procedure of the G3 facsimile apparatus and the conventional transmission procedure of polling reception are performed will be described with reference to FIGS. 2 and 3. To do.

FIG. 2 shows CCITT Recommendation T.264. G according to 30
It is a sequence diagram which shows the general transmission procedure of a 3 facsimile apparatus. In FIG. 2, both the calling station and the called station are in the manual mode, where the calling station is the receiving side and the called station is the sending side.

As shown in FIG. 2, when the start buttons are pressed to communicate with each other, the receiving station transmits a called station identification signal CED to the transmitting station, and then the terminal sends CCITT.
Frame signal (hereinafter referred to as NSF / CSI / DIS frame), which includes a signal NSF indicating that the non-standard function of the Signal)
To send. The transmitting station is NSF / CSI / D from the receiving station.
When the IS frame signal is received, a frame signal (hereinafter referred to as TS) including a transmission terminal identification signal TSI, a non-standard function setting signal NSS and a digital command signal DCS is sent to the receiving station.
I.NSS.DCS frame signal), and then a training check signal TCF. When the receiving station receives the training check signal TCF without any error and is normally received, the receiving station sends the reception preparation signal CF to the transmitting station.
Send R. When the transmitting station detects the CFR, it transmits a message signal (specifically, a document) MESS. If there is no original to be sent next, the transmitting station sends the procedure end signal E.
Send OP. After detecting the procedure end signal EOP, the receiving station sends a message confirmation signal MCF to the transmitting station if the message signal MESS is normally received. When the transmitting station receives the message confirmation signal MCF, it transmits a disconnection signal DCN to the receiving station and ends the transmission. When the receiving station receives the disconnection signal DCN, it ends the reception. Facsimile communication is performed by the above procedure. In addition, in FIG. 2, NSF, CSI,
TSI and NSS are optional signals.

FIG. 3 shows CCITT Recommendation T.264. FIG. 10 is a sequence diagram showing a conventional transmission procedure when the calling station performs a polling reception operation in accordance with 30.

As shown in FIG. 3, when a call is made from the calling station, the called station performs automatic reception, transmits a CED signal to the calling station, and then transmits an NSF / CSI / DIS frame signal. Here, when the calling station performs an operation to start polling reception, the calling station receives NSF / CSI / D from the called station.
After receiving the IS frame signal, the signal N, which is a digital command response to the information contained in the signal NSF, is sent to the called station.
A frame signal (hereinafter, referred to as NSC.C) composed of an SC, a calling terminal identification signal CIG, and a signal DTC which is a digital command response to the standard function identified by the DIS signal.
IG / DTC frame signal). Signal D
TC is a signal for instructing the facsimile apparatus to send the original contents to the facsimile apparatus. If the called station has a polling transmission function, DT
When the C signal is received, the operation is switched to the transmission operation. If it does not have the polling transmission function, the procedure for disconnecting the line is sent. When the called station, which is a facsimile machine having a polling transmission function, receives a DTC signal, it sends a TSI / NSS / DCS frame signal to the calling station. The called station becomes the transmitting station, and the procedure is the same as in FIG. Note that in FIG. 3, NSF, CSI, NSC,
CIG, NSS and TSI are optional signals.

Next, an example of the operation / input unit and the polling reception operation of the conventional facsimile device having the polling reception function will be described. How these are performed by the facsimile device having the automatic polling reception function shown in FIG. Explain if it will be improved.

FIG. 4 is an explanatory view schematically showing an example of an operation / input section of a conventional facsimile apparatus having a polling reception function. In FIG. 4, 400 is an operation / input unit, 401 is a start button for instructing to start the operation of the facsimile apparatus, 402 is a stop button for instructing to stop the operation of the facsimile apparatus, and 403 is polling for instructing the setting and cancellation of the polling reception function. It is a button.

In the case of FIG. 4, when the start button 401 is pressed while the polling button 403 is set, the facsimile machine performs the polling reception operation. When the start button 401 is pressed with the polling button 403 being released, the facsimile apparatus detects the operation mode by the mode detection unit, performs normal reception in the reception mode, and transmits in the transmission mode. Perform normal transmission.

It should be noted that, in addition to the example shown in FIG. 4, the conventional operation / input unit of the facsimile apparatus having the polling reception function is provided with a dedicated polling reception button having both a polling button and a start button, and when this button is pressed, There is also a method of performing polling reception operation. Thus, in the conventional facsimile apparatus having the polling reception function, there is a dedicated button for setting the polling reception function in addition to the button for performing normal transmission / reception, and the polling operation is set by the operation of the operator.

FIG. 5 is an explanatory view schematically showing an example of the operation / input unit 104 in FIG. In FIG. 5, 1
Reference numeral 04 is an operation / input unit, 501 is a start button for instructing to start the operation of the facsimile, and 502 is a stop button for instructing to stop the operation of the facsimile apparatus. The operation / input unit 104 may be provided with other operation keys such as a numeric keypad and a mode input key, but the description thereof is omitted because it is not directly related to the present invention.

In the facsimile apparatus shown in FIG. 1, when the start button 501 is pressed, the mode detector 110 detects the operation mode. When the operation mode is the reception mode, the timer unit 109 starts measuring time, and the system control unit 102 receives a predetermined signal from the partner facsimile machine, that is, CE, within a certain time via the modem 107.
It is detected whether the D signal or the NSF / CSI / DIS frame signal is transmitted. System control unit 10
2 determines the operation based on those detection results.

That is, when the operation mode is the transmission mode, the normal transmission operation is executed. Further, when the operation mode is the reception mode and the CED signal or the NSF / CSI / DIS frame signal is transmitted from the partner facsimile machine within a certain period of time, the polling reception operation is started to start the CED signal or the NSF / CSI.・ DIS
When the frame signal is not transmitted, the normal reception operation is started.

As described above, in this embodiment, the button for setting the polling reception function as shown in FIG. 4 is eliminated, and the polling reception is automatically performed only by operating the start button 501 as shown in FIG. You can

FIG. 6 is a flow chart showing an example of a procedure for automatic polling reception in the facsimile apparatus shown in FIG. The operation of FIG. 1 will be described below with reference to FIG.

The system control unit 102 includes an operation / input unit 1
It is determined whether or not the 04 start button is pressed (S
601), if it is pressed, the timer unit 109 is reset (S602). Next, the system control unit 102 uses the mode detection unit 110 to determine whether the facsimile apparatus is in the transmission mode or the reception mode (S603). The mode is determined by, for example, the reading unit 1
When the original is set at 01, the transmission mode is determined, and when the original is not set at the reading unit 101, the reception mode is determined.

When it is determined that the facsimile mode is the reception mode, the system control unit 102 performs network control to determine whether or not a CNG signal indicating that the facsimile apparatus on the transmission side is the facsimile apparatus on the transmission side is transmitted to the facsimile apparatus. Part 1
08, the modem 107, and the communication control unit 106 (S604). When the CNG signal is not transmitted, the system control unit 102 determines whether the CED signal or the NSF / CSI / DIS frame signal is transmitted from the partner facsimile machine to the facsimile machine, the network control unit 108, the modem 107. , Communication control unit 106
(S605). If these signals are not transmitted, it is determined whether they are transmitted (S6).
04, S605) is continued until a predetermined time TA elapses after the timer unit 9 is reset (S).
608).

Here, when the CED signal or the NSF / CSI / DIS frame signal is received within the time TA, the communication control unit 106, the modem 107, and the network control unit 10
The NSC / CIG / DTC frame signal is transmitted to the partner facsimile machine via S8 (S606) and polling is received (S607). If the CED signal or the NSF / CSI / DIS frame signal cannot be received within the time TA, the communication control unit 106, the modem 107,
Signals CED and NSF / CSI are transmitted via the network control unit 108.
-The DIS frame signal is transmitted to the facsimile apparatus of the other party (S609), and normal reception operation is started (S61).
0).

If the modem 107 detects the CNG signal in S604, the facsimile machine of the other party is performing the transmitting operation, and therefore this facsimile machine transmits the CED signal and the NSF / CSI / DIS frame signal to the facsimile machine of the other party. (S609), the normal receiving operation is performed (S610).

When the transmission mode is determined in S603, the normal transmission operation is performed (S611).

Incidentally, the detection judgment of the CNG signal (S604)
Processing is not directly related to the automatic polling reception function and is not always necessary. However, when the CNG signal is detected, the procedure of S604 is T> TA (S60
8) The normal receiving procedure (S60)
9 and S610), whereby the time required for the communication procedure of the facsimile device can be shortened.

Next, the reset operation of the timer unit 109 shown in step S602 of FIG. 6 will be described in detail. The reset operation of the timer unit 109 may be performed immediately when the start button is pressed, or may be the procedure described below.

FIG. 7 is a flow chart showing an example of the reset operation procedure of the timer unit 109 in FIG. In the example of FIG. 7, the start button is pressed (S60 of FIG. 6).
1) When the process proceeds to the reset procedure, first, the system control unit 12 determines whether or not a transmission procedure signal is received from the partner facsimile apparatus at that time (CCITT V.21).
The presence or absence of a standard modulation signal may be detected via the modem 107 (S701), and if the transmission procedure signal is not received, the timer unit 109 is immediately reset (S70).
2). When the transmission procedure signal is detected, the timer unit 109 is reset (S702) after waiting until the signal disappears (S701).

Next, a specific example of the time TA will be described. CCITT Recommendation T. According to the regulation of 30, the facsimile machine sends a CED signal or a CNG signal within a period of 1.8 seconds to 2.5 seconds after the call is established when the signal needs to be transmitted immediately after the call is established. It is specified that the NSF / CSI / DIS frame signal following the CED signal is transmitted within 75 ± 20 milliseconds. Further, the CNG signal is prescribed to have a signal transmission stop period of 3 seconds when continuously transmitted. When the response signal from the partner facsimile machine to the transmitted NSF / CSI / DIS frame signal is not transmitted within 3 seconds ± 15% immediately after the NSF / CSI / DIS frame signal is transmitted, Again, the other facsimile machine receives NSF / CSI /
It is specified that a DIS frame signal be transmitted.

According to the above rules, when the partner facsimile machine is trying to send a transmission procedure signal to this facsimile machine while the line call is established, the procedure of FIG. The total time of the CSI / DIS frame signal and the retransmission interval may be TA. The length of the NSF / CSI / DIS frame signal varies depending on the device, but it usually takes about 3 to 4 seconds.
TA may be about 10 seconds. Also, the timer unit 109
In the case where the reset operation is performed according to the procedure shown in FIG. 7, the partner facsimile machine transmits the transmission procedure signal within 3.45 seconds (3 seconds + 15%) at the maximum. In an actual facsimile machine, the delay time of the transmission line is included, so if this time is taken into consideration, TA = 3.45 + α (α
> 0) (seconds). That is, when the reset operation of the timer unit 109 is performed according to the procedure shown in FIG.
In practice, the value of A may be around 4 seconds. Also, CCI
TT Recommendation T. In a facsimile machine that does not comply with the regulation of No. 30, a time longer than the repetition interval time of the NSF / CSI / DIS frame signal or a signal corresponding thereto may be set to TA.

FIG. 8 is a flowchart in which a new procedure is added to the reset operation procedure in FIG. In the procedure of the reset operation shown in FIG. 7, when the operator presses the start button before the line call is established, the timer unit 10 is in the middle of calling the partner facsimile machine.
Since 9 is reset and the timer unit 109 continues counting even during the calling period, the automatic polling function cannot operate normally. Therefore, in the example of FIG. 8, when the start button is pressed (S601 of FIG. 6) and the process proceeds to the reset procedure (S602 of FIG. 6), first, the system control unit 1
02 detects via the modem 107 whether or not the partner facsimile machine has gone off-hook. If it is off-hook, it proceeds to the next step as it is, and if it is not off-hook, it waits until it goes off-hook (S801). The following procedure is the same as that of S701 and S702 of FIG. Detecting whether the partner facsimile machine goes off-hook (S8
For example, 01) can determine that the partner facsimile machine is not off-hook when the ring back tone is detected, and can determine that the partner facsimile machine is off-hook when the ring back tone is not detected. Alternatively, it can be detected by detecting the polarity reversal of the line.

The off-hook detection can also be performed by the following procedure. FIG. 9 is a flowchart in which the off-hook detection procedure of the automatic polling procedure of FIGS. 6 and 8 is changed. In FIG. 9, it is detected whether or not the partner facsimile machine is off-hook before the start button of the operation / input unit 104 is pressed, and the result is stored in a flag or the like. When the operator starts calling the partner facsimile machine, the system control unit 102 sets the flag to 0 (process 901). Then, it is detected via the modem 107 whether or not the partner facsimile machine goes off-hook (S902), and if the partner facsimile machine goes off-hook, the flag is set to 1 (S903). next,
The system control unit 102 detects whether or not the start button is pressed through the operation / input unit 104 (S90
4) If the start button is not pressed, the off-hook is detected again (S902). When the start button is pressed, the system control unit 102 determines whether the value of the flag is 1 or 0 (S905). If the flag is 0, that is, if the partner facsimile machine is not off-hook yet, wait until the partner facsimile machine goes off-hook (S907), and if off-hook, reset the timer unit 109 (S908).
If the flag is 0, that is, if the partner facsimile machine is already off-hook, the modem 1 determines whether the transmission procedure signal is received from the partner facsimile machine.
It is detected via 07 (S906), and if the transmission procedure signal is not received, the timer unit 109 is immediately reset (S9).
08). When the transmission procedure signal is detected, the timer unit 109 is reset (S908) after waiting until the signal disappears (S906). The following procedure is S60 of FIG.
It is the same as that of 3 or later. As the size of TA when the procedure of FIG. 9 is used, the same value as that when using FIGS. 7 and 8 can be used.

Next, the facsimile transmission procedure of the facsimile apparatus in FIG. 1 will be described. FIG. 10 is a sequence diagram showing an example of a facsimile transmission procedure when the automatic polling reception operation of the facsimile apparatus in FIG. 1 is performed. In FIG. 10, the calling station is this facsimile machine,
The called station is the partner facsimile machine. In the example of FIG. 10, the original is not set in the facsimile apparatus and the receiving mode is set, and the partner facsimile apparatus operates in the automatic receiving mode and has the polling transmission function.

As shown in FIG. 10, when the calling station makes a call to the called station, the facsimile machine of the other party automatically starts the receiving operation, and the facsimile machine of the other party sends a CED signal and NSF.CSI. The DIS frame signal is transmitted. In this facsimile apparatus, when the operator presses the start button while listening to these signals as voice (S601), the timer unit 109 is reset (S602) to start the time measuring operation in the timer unit 109, and at the same time as the other facsimile machine. The signal detection from the device is started. In the reset operation procedure of FIG. 7 or FIG.
When the start button is pressed in the middle of the SI / DIS frame signal, the timer unit 109 is reset with the end of the first NSF / CSI / DIS frame signal.

After that, within a time TA (for example, 4 seconds), N
When the SF / CSI / DIS frame signal is received, the NSC / CIG / DTC frame signal is transmitted (S606) and the polling reception operation is performed (S60).
7). The partner facsimile machine is NSC / CIG / DTC
When the frame signal is received, the operation mode is switched to the transmission mode, the TSI / NSS / DCS frame signal is transmitted to the facsimile apparatus, and the polling transmission operation is started. Hereinafter, the facsimile apparatus performs the polling reception operation according to the facsimile transmission procedure.

FIG. 11 is a sequence diagram showing an example of a facsimile transmission procedure when a normal manual receiving operation of the facsimile apparatus shown in FIG. 1 is performed. In FIG.
The calling station is the present facsimile machine and the called station is the partner facsimile machine. In the example of FIG. 11, the original is not set in the present facsimile machine, the mode is the reception mode, and the partner facsimile machine operates in the transmission mode.

As shown in FIG. 11, after the calling station makes a call to the called station and the call is established, the facsimile apparatus on the other side starts the transmission operation, and the facsimile apparatus starts transmitting the CED signal and the NSF / CSI signal. -Enter the state of waiting for the DIS frame signal to be transmitted. On the other hand, in this facsimile machine,
When the start button is pressed (S601), the timer 10
The ninth copy is reset (S602), and the operation mode is determined to be the reception mode (S603). Then, the CED signal, the NSF / CSI / DIS frame signal and the CNG signal from the partner facsimile machine are detected. However, since the partner facsimile machine is in a state of detecting the transmission procedure signal from this facsimile machine, no transmission procedure signal is sent to this facsimile machine. Therefore, when TA seconds have elapsed (S608), the facsimile apparatus ends the detection of the transmission procedure signal (S604 and S605), transmits the CED signal, and continues to NSF / CSI / DI.
The S frame signal is transmitted (S609) and the receiving operation is started (S610). The partner facsimile machine receives the CED signal and NSF / CSI / D from this facsimile machine.
When receiving IS frame signal, TSI / NSS / DCS
The frame signal is transmitted, and the transmission operation is performed according to the facsimile transmission procedure.

When the other facsimile machine has a function of transmitting a CNG signal, the other facsimile machine transmits the CNG signal, and when this facsimile machine detects it, the timer unit 109 measures the time. The operation is stopped and the normal reception operation is immediately executed.

Further, in the examples of FIGS. 6, 7, 8 and 9,
Although the start button of the operation / input unit 104 serves both for transmission and reception, a start button for transmission and a transmission button for reception may be prepared separately. In this case, it is determined whether the operation mode of the facsimile apparatus is the reception mode or the transmission mode (S603).
When the transmission start button is pressed, the transmission mode is determined, and when the reception start button is pressed, the reception mode is determined to be the reception mode.

FIG. 12 is a block diagram showing a facsimile apparatus as a second embodiment of the present invention.

In FIG. 12, reference numeral 1201 is a scanner for reading transmission originals, 1202 is a CPU (Central Processing Unit) for controlling the entire facsimile apparatus, 1203 is a printer for recording and outputting the received originals, 1204 is a start button, and Stop is a stop button. An operation / input unit including a numeric keypad for inputting a button, a telephone number of a destination, various mode input push buttons, and the like, 1205 a display unit including various displays such as a liquid crystal display, 1207 a modem for executing a predetermined modulation / demodulation process 1208 is a network control unit (NCU) that controls connection to a telephone line, 1209 is a clock that also functions as a time measuring device that measures time, and 1210 is a detector that detects whether a document is set on the scanner 1201. The sensor 1211 is a code for encoding / decoding the image signal. / Decryption unit, 1212 denotes a ROM that contains the system program (read-only
A memory (1213), a RAM (random access memory) 1213 used as a work memory and a buffer memory for storing the time when reset and performing other various operations when the clock 1209 is used as a timer. Reference numeral 1214 is an image memory for performing memory transmission and memory reception functions, and 1215 is a telephone unit used for a call.

In the facsimile machine shown in FIG. 12,
The CPU 1202 implements the automatic polling function of the flowchart shown in FIG. 6 according to the program in the ROM 1212.

Whether or not the start button has been pressed (S601 or S904) is determined by the CPU 1202 via the operation / input unit 1204.

In this embodiment, since the clock 1209 is used as a means for measuring the time, when the timer is reset (S602, S702 or S90).
8) The CPU 1202 writes the time pointed by the clock 1209 in the RAM 1213.

Determination of operation mode (S603 or S8
04) is performed by the CPU 1202 via the paper feed sensor 1210 and by searching the contents of the image memory 1214. The paper feed sensor 1210 is the scanner 12
CPU 12 determines whether or not the original is set in 01.
Tell 02. Further, the CPU 1202 has a ROM 1212.
According to the program, whether or not original data is set in the image memory 1214 and whether the set original data is for transmission or not is searched. C
The PU 1202 determines the transmission mode when the document is set on the scanner 1201 or the memory transmission is set. Also, the scanner 1201
If the original is not set in and the memory transmission is not set, it is determined to be the reception mode.

CNG signal detection (S604), CED signal and NSF / CSI / DIS frame signal detection (S)
605), the CPU 1202 has the modem unit 1207 and N
Performed via CU 1208. The CNG signal detection process (S604) is not always necessary.

The determination of the elapsed time (S608) is performed by the CPU 1
This can be done by calculating the elapsed time T from the time in S608 and the time saved in the RAM 1213 by 202 and comparing it with the time TA.

Polling reception (S606 and S60
7), normal reception (S609 and S610) and normal transmission (S611) are performed by the CPU 1202 via the modem unit 1207 and the NCU 1208.

Note that the procedure shown in FIG. 7, FIG. 8 or FIG. 9 can also be used as the procedure of the reset operation of the timer.

By the way, FIG. 6, FIG. 7, FIG. 8 or FIG.
When the automatic polling function is realized by the procedure of, the CNG signal, CED signal and NSF / CS in the reception mode
Time TA as the period for detecting the I / DIS frame signal
Therefore, the time required for the transmission procedure of the facsimile apparatus becomes longer by the detection period (time TA). on the other hand,
The polling reception is normally performed when the partner facsimile machine is the called station and the partner facsimile machine is operating for automatic call reception.

Therefore, when the facsimile apparatus is the called station, or when the start button of the facsimile apparatus is pressed after a time of TB = 35 ± 5 seconds has elapsed since the other facsimile apparatus went off-hook. Alternatively, the normal transmission / reception procedure may be performed without entering the procedure of the automatic polling function. Whether or not the facsimile apparatus is a called station can be detected by detecting a ringing tone through the NCU 1208 or detecting dialing. Further, the clock 1209 detects the elapsed time after the partner facsimile machine goes off-hook.
Can be done through. By doing this, when you want to send and receive a facsimile signal during a call,
The time required for the transmission procedure can be made shorter than the procedure for the automatic polling function. This method can also be applied to the embodiment shown in FIG.

In this embodiment, the clock 1209
As a time measurement function, a separate timer device is provided,
You may use this. Further, although the present embodiment has a memory transmission and a memory reception function, this function is not always necessary for the present invention. In addition, the image memory 12
14 and the RAM 1213 do not have to be provided separately, and may be shared. Further, in the present embodiment, the image encoding / decoding unit 1211 is provided as a hardware circuit, but this may be a process by software. The operation / input unit 1204 for performing automatic polling may have the configuration shown in FIG. Further, the start button on the operation / input unit 1204 may be a button for both transmission and reception, or may be a separate button.

[0063]

As described above, according to the present invention,
Polling reception and normal transmission / reception can be automatically identified and executed simply by operating the communication start button. This eliminates the need for a button for setting the polling reception function in the operation / input unit, so that the number of parts of the facsimile device can be reduced. Further, the operator does not have to operate the button to set the polling reception function each time polling reception is performed, and therefore the labor of operation can be saved.

[Brief description of drawings]

FIG. 1 is a block diagram showing a facsimile apparatus as a first embodiment of the present invention.

FIG. 2 CCITT Recommendation T. FIG. 30 is a sequence diagram showing a general transmission procedure of the G3 facsimile apparatus according to G.30.

FIG. 3 CCITT Recommendation T. FIG. 10 is a sequence diagram showing a conventional transmission procedure when the calling station performs a polling reception operation in accordance with 30.

FIG. 4 is an explanatory view schematically showing an example of an operation / input unit of a conventional facsimile device having a polling reception function.

5 is an explanatory diagram schematically showing an example of an operation / input unit 104 in FIG.

6 is a flowchart of an example of a procedure when automatic polling reception is performed by the facsimile device in FIG.

7 is a flowchart showing an example of a procedure of a reset operation of a timer unit 109 in FIG.

FIG. 8 is a flowchart in which a new procedure is added to the procedure of the reset operation in FIG.

9 is a flowchart in which the procedure for off-hook detection in the procedure for automatic polling in FIGS. 6 and 8 is changed.

10 is a sequence diagram showing an example of a facsimile transmission procedure when the automatic polling reception operation of the facsimile apparatus in FIG. 1 is performed.

11 is a sequence diagram showing an example of a facsimile transmission procedure when a normal manual receiving operation of the facsimile apparatus in FIG. 1 is performed.

FIG. 12 is a block diagram showing a facsimile apparatus as a second embodiment of the present invention.

[Explanation of symbols]

102 ... System control unit, 104 ... Operation / input unit, 10
6 ... Communication control unit, 107 ... Modem, 108 ... Network control unit,
109 ... Timer section, 110 ... Mode detection section, 501 ... Start button.

Claims (6)

[Claims] 1. An operating means for instructing the start of communication by an operation from the outside, and a detecting means for detecting whether or not a predetermined signal of the facsimile signals has been sent from a partner facsimile machine via a transmission line. First receiving means for performing a polling reception operation, second receiving means for performing a reception operation other than polling reception, mode determination means for determining whether the operation mode is a reception mode or a transmission mode, and measuring time And a time measuring means for performing time discrimination by the mode discriminating means and the time measuring means when the communication is instructed by the operating means. As a result of the discrimination of the operation mode by the mode discriminating means, when it is discriminated that the mode is the receiving mode, the detecting means transmits the predetermined signal. It is detected that the predetermined signal has been sent from the start of the time measurement by the time measuring means until a predetermined time has elapsed as a result of the detection by the detecting means. When it is detected, the polling reception operation is performed by the first receiving means, and when it is detected that the predetermined signal is not sent, the polling reception is not performed by the second receiving means. A facsimile machine characterized by performing a receiving operation. 2. An operating means for instructing the start of communication by an operation from the outside, a first detecting means for detecting whether or not a facsimile signal is sent from a facsimile machine of the other party through a transmission line, and the facsimile machine of the other party. Second detecting means for detecting whether or not a predetermined signal of the facsimile signal is sent from the device via the transmission line, first receiving means for performing polling reception operation, and receiving operation for non-polling reception And a time measuring means for measuring a time, and a communication means for communicating with the operating means, the second receiving means for performing the operation, the mode determining means for determining whether the operation mode is the receiving mode or the transmitting mode, and the time measuring means for measuring the time. When there is a start instruction, the mode determining means determines the operation mode, and the first detecting means determines the facsimile transmission. Whether or not the facsimile signal has been sent, and as a result of the detection by the first detecting means, it is detected that the facsimile signal has been sent, the facsimile signal will not be sent. The time measurement means starts the time measurement, and when it is detected that the facsimile signal is not sent, the time measurement means immediately starts the time measurement, and the mode determination is performed. When it is determined that the operation mode is the reception mode as a result of the determination of the operation mode by the means, the second detection means detects whether or not the predetermined signal has been sent, and the second detection means detects the operation mode. As a result, when it is detected that the predetermined signal has been sent from the start of the time measurement by the time measuring means to the elapse of a predetermined time. The first receiving means performs the polling reception operation, and when it is detected that the predetermined signal has not been sent, the second reception means performs the non-polling reception operation. Characteristic facsimile machine. 3. An operating means for instructing the start of communication by an operation from the outside, a first detecting means for detecting whether or not a facsimile signal is sent from a facsimile machine of the other party through a transmission line, and the facsimile machine of the other party. Second detecting means for detecting whether or not a predetermined one of the facsimile signals is sent from the apparatus via the transmission line, hook detecting means for detecting whether or not the partner facsimile apparatus is off-hook, and polling First receiving means for performing a receiving operation, second receiving means for performing a receiving operation other than polling reception, mode determining means for determining whether the operation mode is a receiving mode or a transmitting mode, and measuring time. A time measuring means, and the off-hook detecting means detects the off-hook, When there is an instruction to start communication from the operating means, the mode determining means determines the operation mode, and the first detecting means detects whether or not a facsimile signal is being sent. When it is detected as a result of detection by the detecting unit 1 that the facsimile signal is being sent, the time measuring unit starts the time measurement after waiting for the facsimile signal to be stopped. However, when it is detected that the facsimile signal has not been sent, the time measurement means immediately starts measuring the time, and the off-hook detection means detects the off-hook condition before the time is detected. When there is an instruction to start communication from the operating means, the mode determining means determines the operation mode, and Waiting for the off-hook detection means to detect that the hook is off, the time measurement means starts measuring time, and when the operation mode is determined by the mode determination means, it is determined that the reception mode is set. The second detection means detects whether or not the predetermined signal has been sent, and as a result of the detection by the second detection means, a predetermined time from the start of the time measurement by the time measurement means. When it is detected that the predetermined signal has been sent by the time, the polling reception operation is performed by the first receiving means, and it is detected that the predetermined signal has not been sent. If so, the second receiving means performs a receiving operation other than polling reception. 4. The facsimile apparatus according to claim 1, 2 or 3, further comprising an incoming call detecting means for detecting whether or not an incoming call is made from the facsimile apparatus of the other party through the transmission line, and the incoming call detecting means. When the operation means gives an instruction to start communication after it is detected by the operation means, the operation mode is judged by the mode judgment means, and the result of the judgment of the operation mode by the mode judgment means. When it is determined that the reception mode is set, the time measurement unit does not start measuring time,
A facsimile apparatus, wherein the second receiving means performs a receiving operation other than polling reception. 5. The facsimile apparatus according to claim 3, wherein when the off-hook detecting means detects that the off-hook has occurred, the off-hook detecting means causes the off-hook detecting means to go off-hook. Is detected, start time measurement by the time measuring means, until the predetermined time has elapsed from the start of time measurement by the time measuring means, there is no instruction to start communication by the operating means, When there is an instruction to start communication after the lapse of the time, when the operation mode is determined by the mode determination means, and the operation mode is determined by the mode determination means, and the operation mode is determined to be the reception mode. Is a facsimile device characterized by performing a receiving operation other than polling reception by the second receiving means. Place 6. The facsimile apparatus according to claim 1, 2, 3 or 4, wherein the predetermined signal among the facsimile signals is the International Telegraph and Telephone Consultative Committee (CCITT).
Recommendation T. 30 callee identification signal (CED), non-standard function signal (NSF), called subscriber identification signal (CSI), digital identification signal (DIS), or a signal equivalent thereto. A facsimile machine characterized by.