JPH10285367A - Facsimile machine - Google Patents

Abstract

(57) [Summary] [Problem] ITU-T Recommendation T. SUB, SE according to 30
A facsimile apparatus capable of clearly transmitting and receiving P, PWD, and SID signals is provided. SOLUTION: The presence / absence of transmission of a PWD signal, the presence / absence of a reception function of an SID / DCS signal, and the SU of a DTC signal FIF.
Bit information indicating whether or not a B signal is transmitted, whether or not a SUB / DCS signal is received, whether or not a SEP signal is transmitted, and whether or not a SEP / DCS signal is received is set. Bit information indicating whether a SUB signal is transmitted, whether a SID signal is transmitted, and whether a SEP signal is transmitted is set in the FIF of the DCS signal. SEP / DTC is added to the FIF of the DIS signal.
SUB / DTC reception function,
PWD / DTC reception function, SEP / DCS reception function, SUB / DCS reception function, SI
Bit information indicating the presence or absence of the D / DCS reception function is set.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to SUB, SE
The present invention relates to a facsimile apparatus capable of transmitting and receiving P, PWD, SID signals, and the like.

[0002]

2. Description of the Related Art SU based on current ITU-T recommendations
Transmission and reception of B, SEP, PWD, and SID signals are performed by DIS,
Specified by DCS and DTC signals. FIG.
The contents defined by the respective IFs of the IS, DCS, and DTS signals are shown.

[0003]

However, according to the definition of FIG. 3, in the case of polling reception, when a DTC signal is transmitted, the facsimile apparatus which has received the DTC signal transmits the SID signal or the DCS signal together with the DCS signal. S
There was a drawback that it was not possible to determine whether to transmit a UB signal.

Further, the X + 2 bits of the DIS signal enable
The presence or absence of the SUB / SEP reception function is notified to the polling transmitter. In this case, the polling transmitter
B, there is a drawback that it cannot be determined whether the DTC signal can be transmitted.

[0005] Only in the case of polling reception, the SUB
It has been considered that a sub address is designated by a signal and a document number is designated by a SEP signal. However, in the case of normal transmission, a DCS signal is transmitted. In this case, however, there is a disadvantage that a subaddress cannot be specified by a SUB signal, and a text number cannot be specified.

Accordingly, the present invention provides a SUB, SEP, PW
An object of the present invention is to provide a facsimile apparatus capable of clearly transmitting and receiving D and SID signals.

[0007]

Means for Solving the Problems The first invention of the present application is:
ITU-T Recommendation T. In a facsimile apparatus conforming to No.30, bit information indicating whether a PWD signal is transmitted and bit information indicating whether a SID / DCS signal reception function is provided are set in a DTC signal FIF. It is characterized by.

[0008] The second invention of the present application is based on ITU-T.
Recommendation T. In a facsimile machine based on
Bit information indicating whether a SUB signal is transmitted and bit information indicating whether a SUB / DCS signal reception function is provided are set in the FIF of the TC signal.

The third invention of the present application is based on ITU-T
Recommendation T. In a facsimile machine based on
Bit information indicating whether a SEP signal is transmitted and bit information indicating whether a function of receiving a SEP / DCS signal is set are set in the FIF of the TC signal.

[0010] The fourth invention of the present application is an ITU-T
Recommendation T. In a facsimile machine based on
In the FIF of the CS signal, bit information indicating whether a SUB signal is transmitted, bit information indicating whether an SID signal is transmitted, and bit information indicating whether a SEP signal is transmitted. Is set.

Further, the fifth invention of the present application is an ITU-T
Recommendation T. In a facsimile machine based on
Bit information indicating the presence or absence of the SEP / DTC reception function, bit information indicating the presence or absence of the SUB / DTC reception function, bit information indicating the presence or absence of the PWD / DTC reception function, and SEP / Bit information indicating the presence or absence of a DCS reception function, bit information indicating the presence or absence of a SUB / DCS reception function, and bit information indicating the presence or absence of a SID / DCS reception function are set.

[0012] The sixth invention of the present application is based on ITU-T.
Recommendation T. In a facsimile communication method conforming to No. 30, bit information indicating whether or not a PWD signal is transmitted and bit information indicating whether or not there is a SID / DCS signal reception function are set in an FIF of a DTC signal. It is characterized by the following.

[0013] The seventh invention of the present application is an ITU-T
Recommendation T. In a facsimile communication method conforming to No. 30, bit information indicating whether a SUB signal is transmitted and bit information indicating whether a function of receiving a SUB / DCS signal is set in an FIF of a DTC signal. It is characterized by the following.

An eighth invention of the present application is directed to ITU-T
Recommendation T. In a facsimile communication method conforming to No. 30, bit information indicating whether a SEP signal is transmitted and bit information indicating whether a SEP / DCS signal receiving function is provided are set in the FIF of the DTC signal. It is characterized by the following.

[0015] A ninth invention of the present application is the ITU-T
Recommendation T. In the facsimile communication method conforming to No. 30, bit information indicating whether a SUB signal is transmitted, bit information indicating whether a SID signal is transmitted, and an SEP signal are transmitted to the FIF of the DCS signal. And bit information indicating whether or not it is set.

The tenth invention of the present application is an ITU-
Recommendation T. In the facsimile communication method conforming to the F.30 standard, the FIF of the DIS signal includes bit information indicating the presence or absence of the SEP / DTC reception function, bit information indicating the presence or absence of the SUB / DTC reception function, and the PWD / DTC reception function. Bit information indicating presence / absence of SEP / DCS reception function, bit information indicating presence / absence of SUB / DCS reception function, SID / DCS
And bit information indicating the presence / absence of a receiving function.

In the first, second, sixth, and seventh aspects of the present invention, in the case of polling reception, when a DTC signal is being transmitted, it can be notified whether a SUB signal or an SID signal is being transmitted. The polling transmitter can determine whether or not to transmit the SID signal or the SUB signal together with the DCS signal, which makes it easy to use.

According to the third to fifth and eighth to tenth aspects of the present invention, it is possible to notify the presence or absence of the SEP / DCS signal receiving function at the time of transmitting the DTC signal.
Transmission of SEP / DCS signals can also be defined, and SEP / DTC, SUB / DCS, SID
/ DCS, PWD / DTC, SUB / DTC, SEP /
Since the presence / absence of the DCS reception function can be notified, the sub address designation by the SUB signal and the SE
Since the text number can be specified by the P signal, it becomes the same as polling reception and is extremely easy to use.

Further, SEP / DTC by DIS signal,
The presence / absence of transmission of the SUB / DTC signal has also been clarified, which has facilitated use.

[0020]

FIG. 1 is a block diagram showing the configuration of a facsimile apparatus according to one embodiment of the present invention.

An NCU (network control unit) 2 connects to a terminal of the line in order to use the telephone network for data communication and the like.
It controls connection of a telephone exchange network, switches to a data communication path, and holds a loop. The NCU 2 connects the telephone line 2a to the telephone 4 when the signal level (signal line 20a) from the control circuit 20 is “0”, and connects the telephone line 2a when the signal level is “1”. It is connected to the facsimile machine side.
In a normal state, the telephone line 2a is connected to the telephone 4 side.

The hybrid circuit 6 separates the transmission system signal and the reception system signal, sends the transmission signal from the addition circuit 12 to the telephone line 2a via the NCU 2, and transmits the signal from the other party via the NCU 2. The signal is received and sent to the modem 8 via the signal line 6a.

The modem 8 is based on ITU-T Recommendation V. 8,
V. 21, V.I. 27ter, V.I. 29, V.I. 17, V.I.
34, and performs modulation and demodulation based on
Each transmission mode is designated by the signal line 20c. The modulator / demodulator 8 receives a signal output on a signal line 20b, outputs modulated data on a signal line 8a, receives a received signal output on a signal line 6a, and outputs demodulated data on a signal line 8b. Output.

The ANSam transmitting circuit 10 is a circuit for transmitting an ANSam signal. When a signal of the signal level "1" is output to the signal line 20d, the ANSam transmitting circuit 10 transmits the ANSam signal to the signal line 10a and outputs the ANSam signal to the signal line 20d. When the signal of the signal level “0” is being output, no signal is output to the signal line 10a.

The addition circuit 12 inputs the information of the signal line 8a and the information of the signal line 10a, and adds the result of the addition to the signal line 12a.
a. The reading circuit 14 reads an image of a document and outputs the read image data to a signal line 14a. The recording circuit 16 is for sequentially recording information output to the signal line 20e line by line.

The memory circuit 18 is used for storing raw information of read data or encoded information, and also for storing received information or decoded information.

The operation unit 22 has a one-touch dial, a speed dial, a numeric keypad, a * / # key, a set key, a start key, a password, a subaddress, a text number key, and other function keys. Is output to the signal line 22a.

The password registration circuit 24 is a circuit for registering a password, and performs registration and readout via a signal line 24a.

The control circuit 20 is responsible for controlling the facsimile apparatus. In facsimile communication conforming to D.30, DIS, DCS, D
The following bits are set in the FIF (facsimile information field) of the TC signal.

FIG. 2 is a circuit diagram of the control circuit 20 of DIS and DC.
The details of the FIF regarding the transmission and reception of the SUB, SEP, PWD, and SID signals of the S and DTC signals are shown.

First, bit information (bit Y) indicating whether a PWD signal is transmitted or not is added to the FIF of the DTC signal.
And bit information (bit 50) indicating whether or not there is a function of receiving the SID / DCS signal.

In the DTC signal FIF, bit information (bit X +
2) and bit information (bit 49) indicating whether or not there is a SUB / DCS signal reception function is set.

Also, bit information (bit 4) indicating whether or not the SEP signal is transmitted is added to the DTC signal FIF.
7) and bit information (bit Y + 1) indicating whether or not there is a function of receiving the SEP / DCS signal.

Further, bit information (bit 4) indicating whether or not the SUB signal is transmitted is added to the FIF of the DCS signal.
9), bit information (bit 50) indicating whether or not the SID signal is transmitted, and bit information (bit Y + 1) indicating whether the SEP signal is transmitted.

Further, SEP / D is added to the FIF of the DIS signal.
Bit information (bit 4) indicating the presence or absence of the TC reception function
7), bit information (bit X + 2) indicating the presence or absence of the SUB / DTC reception function, bit information (bit Y) indicating the presence or absence of the PWD / DTC reception function, and SEP / D
Bit information (bit Y +
1), bit information (bit 49) indicating presence / absence of the SUB / DCS reception function, and bit information (bit 50) indicating presence / absence of the SID / DCS reception function are set.

Here, the subaddress is specified by the SUB signal, and the text number is specified by the SEP signal, which is the same in normal transmission and polling communication. Also,
The password uses the SID signal during normal transmission,
At the time of polling transmission, a PWD signal is used.

In the above embodiment, the bit numbers for setting each signal are merely examples, and can be changed as appropriate.

[0038]

As described above, according to the first, second, sixth, and seventh aspects of the present invention, in the case of polling reception, when a DTC signal is transmitted, a SUB signal or an SID is transmitted. It is also possible to notify whether a signal is being transmitted and the polling transmitter can determine whether or not to transmit the SID signal or the SUB signal together with the DCS signal, which is easy to use.

The third to fifth and eighth to tenth aspects of the present application
According to the invention, the SEP / DCS is transmitted when the DTC signal is transmitted.
The presence or absence of a signal reception function can be notified, the transmission of a SEP / DCS signal can be defined when transmitting a DCS signal, and the SEP / DTC and SUB / DC can be defined when transmitting a DIS signal.
S, SID / DCS, PWD / DTC, SUB / DT
C, since the presence or absence of the SEP / DCS reception function can be notified, the sub-address can be specified by the SUB signal and the text number can be specified by the SEP signal even during normal transmission. became.

Also, SEP / DTC by DIS signal,
The presence / absence of transmission of the SUB / DTC signal has also been clarified, which has facilitated use.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention.

FIG. 2 is an explanatory diagram showing details of a FIF relating to transmission and reception of SUB, SEP, PWD, and SID signals of DIS, DCS, and DTC signals in the embodiment.

FIG. 3 is an explanatory diagram showing details of an FIF related to transmission and reception of SUB, SEP, PWD, and SID signals of DIS, DCS, and DTC signals in a conventional example.

[Explanation of symbols]

 2 ... NCU, 4 ... telephone, 6 ... hybrid circuit, 8 ... modulator / demodulator, 10 ... ANSam sending circuit, 12 ... addition circuit, 14 ... reading circuit, 16 ... recording circuit, 18 ... memory circuit, 20 ... control circuit, 22 ... operation unit, 24 ... password registration circuit.

Claims (10)

[Claims] 1. An ITU-T Recommendation T. In a facsimile apparatus conforming to No. 30, bit information indicating whether a PWD signal is transmitted and bit information indicating whether a SID / DCS signal reception function is provided are set in a DTC signal FIF. Facsimile machine characterized by the above-mentioned. 2. An ITU-T Recommendation T.2. In a facsimile apparatus conforming to No. 30, bit information indicating whether a SUB signal is transmitted and bit information indicating whether a function of receiving a SUB / DCS signal is set in an FIF of a DTC signal. Facsimile machine characterized by the above-mentioned. 3. An ITU-T Recommendation T.3. In a facsimile apparatus conforming to No. 30, bit information indicating whether a SEP signal is transmitted and bit information indicating whether a function of receiving a SEP / DCS signal is provided are set in an FIF of a DTC signal. Facsimile machine characterized by the above-mentioned. 4. An ITU-T Recommendation T. In a facsimile apparatus conforming to No. 30, a DCS signal FIF transmits bit information indicating whether a SUB signal is transmitted, bit information indicating whether an SID signal is transmitted, and an SEP signal. A facsimile apparatus for setting bit information indicating whether or not the facsimile exists. 5. The method according to ITU-T Recommendation T.5. In a facsimile apparatus conforming to No.30, bit information indicating the presence / absence of the SEP / DTC reception function, bit information indicating the presence / absence of the SUB / DTC reception function, and presence / absence of the PWD / DTC reception function are included in the FIF of the DIS signal. , Bit information indicating the presence or absence of the SEP / DCS reception function, bit information indicating the presence or absence of the SUB / DCS reception function, and bit information indicating the presence or absence of the SID / DCS reception function. A facsimile machine characterized by the above. 6. An ITU-T Recommendation T.6. In a facsimile communication method conforming to No. 30, bit information indicating whether or not a PWD signal is transmitted and bit information indicating whether or not a function of receiving a SID / DCS signal is set in an FIF of a DTC signal. A facsimile communication method characterized in that: 7. An ITU-T Recommendation T.7. In a facsimile communication method conforming to No. 30, bit information indicating whether a SUB signal is transmitted and bit information indicating whether a function of receiving a SUB / DCS signal is set in an FIF of a DTC signal. A facsimile communication method characterized in that: 8. An ITU-T Recommendation T. In a facsimile communication method conforming to No. 30, bit information indicating whether a SEP signal is transmitted and bit information indicating whether a function of receiving a SEP / DCS signal is set are set in an FIF of a DTC signal. A facsimile communication method characterized in that: 9. An ITU-T Recommendation T. In a facsimile communication method conforming to No.30, bit information indicating whether or not a SUB signal is transmitted, bit information indicating whether or not a SID signal is transmitted, and an SEP signal are transmitted to the FIF of the DCS signal. Facsimile communication method, wherein bit information indicating whether or not communication is performed is set. 10. An ITU-T Recommendation T.10. In the facsimile communication method conforming to the F.30 standard, the FIF of the DIS signal includes bit information indicating the presence or absence of the SEP / DTC reception function, bit information indicating the presence or absence of the SUB / DTC reception function, and the PWD / DTC reception function. Bit information indicating the presence / absence of SEP / DCS reception function, bit information indicating the presence / absence of SUB / DCS reception function, and bit information indicating the presence / absence of SID / DCS reception function are set. Facsimile communication method.