JP2000295450A - Facsimile terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To select a proper transmission start speed by detecting radio connection at a transmitter side, allowing the transmitter to inform a receiver about whether or not the transmitter side adopts radio connection, and changing communication control for facsimile communication, on the basis of this information. SOLUTION: A control circuit 20 of a facsimile terminal FS2 capable of facsimile communication via a radio channel acting like a receiver side detects whether or not the receiver side is a radio connection. The receiver side facsimile terminal informs a transmitter side facsimile terminal about whether or not the receiver side is a radio connection. The transmitter side detects whether or not its connection is a radio connection. The transmitter informs the receiver about whether or not the connection of the transmitter side is a radio connection, and communication control for facsimile communication is changed on the basis of each information. When both the transmitter side and the receiver side are radio connection, the transmission start speed is set lowest.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a facsimile apparatus, and more particularly, to a facsimile apparatus capable of performing facsimile communication via radio.

[0002]

2. Description of the Related Art A conventional facsimile apparatus can recognize whether or not its own facsimile apparatus is wirelessly connected, and changes communication control of facsimile communication according to a result of the recognition.

[0003]

However, in the above conventional example, when either one of the transmitter side and the receiver side is wirelessly connected, and when both the transmitter side and the receiver side are wirelessly connected, Although the line status is different, since the same facsimile communication is controlled, there is a problem that it takes time to fall back the communication speed and the communication time becomes longer.

[0004] The present invention provides a facsimile apparatus which is extremely convenient for the user because it is possible to select an appropriate transmission start speed when the facsimile apparatuses on the transmitter side and the receiver side are wirelessly connected. Is intended to be

[0005]

According to the first aspect of the present invention, in a facsimile apparatus capable of performing facsimile communication via radio, a receiver side detects whether or not its own connection is wireless. Means for notifying the transmitter from the receiver whether the connection on the receiver side is wireless, on the transmitter side,
Means for detecting whether the connection of the own device is wireless, and means for notifying whether or not the connection on the transmitter side is wireless to the receiver from the transmitter, and performing facsimile It is possible to change the communication control of the communication.

According to a second aspect of the present invention, in the first aspect of the present invention, when both the connection on the transmitter side and the connection on the receiver side are wireless, the connection on the receiver side is wireless and the connection on the transmitter side is wireless. If the connection is wired, the connection on the receiver side is wired and the connection on the transmitter side is wireless, and if the connection on the transmitter side and the connection on the receiver side are both wired, change the communication control of facsimile communication It is possible.

According to the third aspect of the present invention, the first and second aspects are provided.
In the description, when both the connection on the transmitter side and the connection on the receiver side are wireless, the transmission start speed can be minimized.

According to the invention described in claim 4, according to claim 1,
In the inventions described in the claims 2 and 3, the transmission start speed is determined by the following: if the connection on the transmitter side and the connection on the receiver side are both impossible, if the connection on the receiver side is wireless and the connection on the When the connection on the transmitter side is wired and the connection on the transmitter side is wireless, the connection can be made earlier in the order in which the connection on the transmitter side and the connection on the receiver side are both wireless. With these, it is possible to select an appropriate transmission start speed depending on whether or not the facsimile device on the transmitter side is wirelessly connected and whether or not the facsimile device on the receiver side is wirelessly connected. It is convenient.

According to the fifth aspect of the present invention, the first to fourth aspects are provided.
In the described invention, it is possible to display or record whether or not the transmitter side is a wireless connection and whether or not the receiver side is a wireless connection in a facsimile apparatus on the transmitter side and a facsimile apparatus on the receiver side. is there. With this, the operator can determine whether or not this communication is being performed via wireless communication.
It is easy to use because it can be checked on both the transmitter side and the receiver side.

According to the invention described in claim 6, claims 1 to 5 are provided.
In the described invention, if the connection on the transmitter side is wireless and the connection on the receiver side is wireless, it is possible to display that fact on the facsimile machine and display that extra communication time is required. . With this, when both the transmitter side and the receiver side are wirelessly connected, the fact can be displayed, and it can be displayed that extra communication time is required, so that the user can understand even if the communication time is slightly longer, and it is easy to use .

[0011]

FIG. 1 is a block diagram showing a facsimile apparatus FS1, a network 38, and another facsimile apparatus FS2 according to a first embodiment of the present invention.

In the facsimile apparatus FS1, the NCU
The (network control device) 2 connects the telephone network to a terminal of the line to control the connection of the telephone exchange network, switches to a data communication path, uses a loop to use the telephone network for data communication and the like. It is to hold. The NCU 2 connects the signal line 2a to the telephone when the signal level (signal line 20a) from the control circuit 20 is "0", and connects the signal line 2a to the facsimile apparatus when the signal level is "1". Side. In the normal state, the signal line 2a is
It 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 receives the signal from the other party via the NCU 2. , 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.
A modulator / demodulator that performs modulation and demodulation based on the signal line 34. Each transmission mode is specified by the signal line 20c. The modulator / demodulator 8 receives the signal output on the signal line 20b, outputs modulated data to the signal line 8a,
a, and outputs the demodulated data to the signal line 8b.

The circuit 10 for transmitting the ANSam signal transmits the ANSam signal to the signal line 10a when the signal of the signal level "1" is output to the signal line 20d, and outputs the signal of the signal level "0" to the signal line 20d. When a signal 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.
Output to The read circuit 14 transmits the read data to the signal line 1
4a. The recording circuit 16 sequentially records the 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 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 start key, a set key, a stop key, a registration key for the circuit 26, and other function keys. 22a.

The line connection state detecting circuit 24 outputs a signal of signal level "0" to the signal line 24a when the line connection state is wired, and outputs the signal line 2 when the line connection state is wireless.
A signal of signal level "1" is output to 4a.

The communication control registration circuit 26 corresponding to the line connection state transmits, for example,
If both receivers are connected by wire, ITU-T Recommendation U.T.
34, communication is started, and if the transmitter side is a wired connection and the receiver side is a wireless connection, ITU-T Recommendation V.34. 17 starts communication, and if the transmitter side is a wireless connection and the receiver side is a wired connection, the ITU-T Recommendation V.17. Start communication from 29,
If both transmitter and receiver are wirelessly connected, ITU-
T Recommendation V. Registered when communication from 27ter is started.

The display circuit 28 inputs the information output to the signal line 20f, and for example, "communication time is slightly extra due to wireless connection on both the transmitter side and the receiver side".
Is displayed.

The PHS function 30 is connected to a base station A32 via an antenna of a signal line 30a.

The base station A 32 connects the antenna (signal line 32a) of the base station A to the PHS 30 via a signal line 31a.
(Signal line 30a) and a network 38 via a signal line 32b.

The base station B 34 is wirelessly connected to the antenna of the base station B (signal line 34a) and the antenna of the facsimile apparatus FS2 (signal line 36a) via a signal line 35a, and is connected to a network via a signal line 34b. 38.

In the facsimile apparatus capable of performing facsimile communication via radio, the control circuit 20 detects on the receiver side whether or not the connection on the receiver side is wireless, and the connection on the receiver side is wireless. The receiver has means for notifying the transmitter of whether or not there is, and the transmitter has means for detecting whether or not its own connection is wireless. This circuit has means for notifying whether or not the communication is wireless, and changes communication control of facsimile communication based on the above information.

That is, when both the connection on the transmitter side and the connection on the receiver side are wireless, the connection on the receiver side is wireless and the connection on the transmitter side is wired, and the connection on the receiver side is wired. If the connection on the transmitter side is wireless and the connection on the transmitter side and the connection on the receiver side are both wired, the communication control of facsimile communication is changed. Connection on the transmitter side,
When both the connections on the receiver side are wireless, the transmission start speed is made the lowest. The transmission start speed is determined as follows: when the connection on the transmitter side and the connection on the receiver side are both wireless, when the connection on the receiver side is wireless and the connection on the transmitter side is wired, the connection on the receiver side is wired. When the connection on the transmitter side is wireless, the connection on the transmitter side and the connection on the receiver side are made earlier in the order of wired.

Here, the facsimile machine on the transmitter side and the facsimile machine on the receiver side have means for displaying or recording whether or not the transmitter side is wirelessly connected and whether or not the receiver side is wirelessly connected. In particular, if the connection on the transmitter side is wireless and the connection on the receiver side is wireless, a message to that effect is displayed on the facsimile apparatus, and a message that communication time is slightly extra required is displayed.

FIGS. 2, 3, 4, 5, 6, and 7 are flowcharts showing the control operation of the control circuit 20 in the above embodiment.

S2 indicates that nothing is displayed on the display circuit 28 via the signal line 20f. In S4,
As a communication start speed corresponding to the line connection state to the circuit 26 via the signal line 26a as an initial value, "wired, wired, V.V." in the order of "transmitter connection state, receiver connection state, communication start speed". 34 "," wireless, wired, V.17 ",
“Wired, wireless, V.29”, “wireless, wireless, V.27t”
er ".

In S6, a signal of signal level "0" is output to the signal line 20a, and the CML is turned off. In S8,
The signal line 20d outputs a signal of signal level "0",
Do not transmit the San signal.

In step S10, information on the signal line 22a is input, and it is determined whether registration to the circuit 28 has been selected.
When selected, the process proceeds to S12, and via the signal line 26a,
The communication start speed is registered in the circuit 26 in accordance with the line connection state (here, the initial value is kept), and if not selected, the process proceeds to S14.

In S14 and S16, it is determined whether transmission or reception is selected. If transmission is selected, the process proceeds to S20. If reception is selected, the process proceeds to S72. , S18, and other processing is performed.

At S20, a signal of signal level "1" is output to the signal line 20a, and the CML is turned on. At S22, the information of the signal line 24a is input, and the line connection state is detected. If the connection is wired, the process proceeds to S48. If the connection is wireless, the process proceeds to S2.
Proceed to 4.

At step S24, a pre-procedure is displayed. here,
The receiver notifies that the connection is wireless.

In S26, it is determined whether or not the transmitter is wirelessly connected. If it is wirelessly connected, the process proceeds to S28, and if it is wired, the process proceeds to S38.

Step S28 indicates that the display circuit 28 displays on the display circuit 28 via the signal line 20f that both the transmitter side and the receiver side require a little extra communication time for wireless connection. This display is turned off by any key operation.

S30 represents reception / recording of an image signal.
32 indicates a post-procedure.

In S34, a signal of signal level "0" is output to the signal line 20a, and the CML is turned off.

In S36, the communication result record information is added to the transmitter side,
This indicates that both receivers record that they were wireless.

Step S38 indicates that the display is to be made on the display circuit 28 via the signal line 20f, and that the transmitter is displayed as a wired connection and the receiver is displayed as a wireless connection. This display is deleted by any key operation.

S40 represents reception / recording of an image signal, and S42 represents a post-procedure.

At S44, a signal of signal level "0" is output to the signal line 20a, and the CML is turned off.

Step S46 indicates that the communication result record information records that the transmitter side is wired and the receiver side is wireless. S48 represents a pre-procedure. Here, the receiver side is notified that the connection is a wired connection. In S50, it is determined whether or not the transmitter side is a wireless connection. If it is a wireless connection, the process proceeds to S52, and if it is a wired connection, the process proceeds to S6.
Proceed to 2.

Step S52 indicates that the signal is displayed on the display circuit 28 via the signal line 20f, and that the transmitter is displayed as a wireless connection and the receiver is displayed as a wired connection. This display is deleted by any key operation. S54 represents reception / recording of an image signal, and S56 represents a post-procedure. In S58,
A signal of a signal level “0” is output to the signal line 20a,
Turn off L.

Step S60 indicates that the communication side records that the transmitter is wireless and the receiver is wired in the communication result record. In S62, the fact that both the transmitter side and the receiver side are wired connections is displayed on the display circuit 28 via the signal line 20f. This display is deleted by any key operation.

S64 represents reception / recording of an image signal.
Reference numeral 66 denotes a post-procedure. In step S68, a signal of the signal level "0" is output to the signal line 20a to turn off the CML.
S70 indicates that the fact that both the transmitter and the receiver are wired is recorded in the communication result record.

In S72, a signal of signal level "1" is output to the signal line 20a, and the CML is turned on. S74 is
If the connection is to make a call to the designated destination, the process proceeds to S102.

In S80, the information of the signal line 24a is input, and the line connection state is detected.
Proceed to (same processing as S62), and if it is a wireless connection, S9
2 (same processing as S52).

S84 represents the remaining pre-procedure. Here, the transmitter notifies that the connection is wired,
ITU-T Recommendation V. Attempt to transmit from. S86
Represents reading / transmission of an image signal, and S88 represents a post-procedure.

In S90, a signal of signal level "0" is output to the signal line 20a, and the CML is turned off. S94 is
This shows the remaining pre-procedures. here. The transmitter side notifies that the connection is wireless, and the ITU-T Recommendation V. Attempt transmission from 17. S96 represents reading / transmission of an image signal, and S98 represents a post-procedure.

At S100, a signal of signal level "0" on signal line 20a is output, and CML is turned off. In step S102, information on the signal line 24a is shown. S76 represents a pre-procedure. In S78, the receiver side determines whether or not the connection is a wired connection. If the connection is a wired connection, the process proceeds to S80, wireless is input, a line connection state is detected, and if the connection is a wireless connection, S104 (S28 and S28). If the connection is a wired connection, the process proceeds to S114 (the same process as S38).

Step S106 represents the remaining pre-procedure.
Here, the transmitter side notifies that the wireless connection is established, and furthermore, according to ITU-T Recommendation V.3. Attempt transmission from 27ter.

S108 represents reading / transmission of an image signal.
S110 represents a post-procedure. In S112, a signal of signal level "0" is output to the signal line 20a, and the CML is turned off. S116 represents the remaining pre-procedure. Here, the transmitter side notifies that the connection is a wired connection. Attempt transmission from 29.

Step S118 represents reading / transmission of an image signal.
S120 represents a post-procedure. In S122, a signal of signal level "0" is output to the signal line 20a, and the CML is turned off.

[0054]

According to the first, second, third and fourth aspects of the present invention, it is determined whether or not the facsimile apparatus on the transmitter side is wirelessly connected and whether or not the facsimile apparatus on the receiver side is wirelessly connected. This makes it possible to select an appropriate transmission start speed, which is extremely convenient for the user.

According to the fifth aspect of the present invention, the operator can confirm whether or not the current communication is performed via wireless communication on both the transmitter side and the receiver side. .

According to the invention of claim 6, the transmitter side,
If both receivers are wirelessly connected, this can be indicated,
Further, since it is possible to display that the communication time is excessively long, the user can be convinced that the communication time is slightly longer, which is advantageous in that it is easy to use.

[Brief description of the drawings]

FIG. 1 shows a facsimile apparatus FS1, a network 38, and a facsimile apparatus FS according to a first embodiment of the present invention.
FIG.

FIG. 2 is a flowchart showing a control operation of a control circuit 20 in the embodiment.

FIG. 3 is a flowchart showing a control operation of a control circuit 20 in the embodiment.

FIG. 4 is a flowchart showing a control operation of a control circuit 20 in the embodiment.

FIG. 5 is a flowchart showing a control operation of a control circuit 20 in the embodiment.

FIG. 6 is a flowchart showing a control operation of a control circuit 20 in the embodiment.

FIG. 7 is a flowchart showing a control operation of the control circuit 20 in the embodiment.

[Explanation of symbols]

 FS1: facsimile machine, 16: recording circuit, 20: control circuit, 24: line connection state detection circuit, 28: display circuit.

Claims (6)

[Claims] 1. A facsimile apparatus capable of performing facsimile communication via radio, wherein, when the facsimile apparatus is used as a receiver, whether or not the connection on the receiver side is wireless And a means for notifying the transmitter of information on whether or not the connection on the receiver side is wireless, wherein the connection on the transmitter side is wireless on the transmitter side. Means for detecting whether or not the connection on the transmitter side is wireless, and means for notifying the receiver side of information on whether or not the connection on the transmitter side is wireless. Facsimile machine characterized by changing 2. The connection according to claim 1, wherein when the connection on the transmitter side and the connection on the receiver side are both wireless, the connection on the receiver side is wireless and the connection on the transmitter side is wired. If the connection on the receiver side is wired and the connection on the transmitter side is wireless, if the connection on the transmitter side and the connection on the receiver side are both wired, the facsimile communication A facsimile machine characterized by changing communication control. 3. The facsimile apparatus according to claim 1, wherein the transmission start speed is the lowest when both the connection on the transmitter side and the connection on the receiver side are wireless. 4. The communication system according to claim 1, wherein the connection on the transmitter side and the connection on the receiver side are both wireless, and the connection on the receiver side is wireless and When the connection on the transmitter side is wired, the connection on the receiver side is wired and when the connection on the transmitter side is wireless, the connection on the transmitter side and the connection on the receiver side are both wired. A facsimile apparatus wherein the transmission start speed is increased in a certain order. 5. The facsimile of the transmitter according to claim 1, wherein whether or not the transmitter is a wireless connection and whether or not the receiver is a wireless connection. A facsimile apparatus characterized in that the apparatus has means for displaying or recording on the facsimile apparatus on the receiver side. 6. The facsimile apparatus according to claim 1, wherein the connection on the transmitter side is wireless and the connection on the receiver side is wireless. The facsimile apparatus further displays a message indicating that extra communication time is required.