JP3059530B2 - Facsimile machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a function to <br/> facsimile equipment, relates to a facsimile equipment using the phone that operates particularly receives power from the communication line.

[0002]

2. Description of the Related Art A conventional facsimile apparatus is provided with a switching circuit for switching one of a telephone for performing a telephone call and a facsimile communication section for performing a facsimile communication on a communication line, for example, a telephone line. In this type of facsimile machine, the following line connection system is adopted. Usually, the telephone line is connected to the telephone, and is connected to the facsimile communication unit by the network control device when performing facsimile communication (data communication). When the facsimile communication is completed, the telephone line is switched to the telephone side again and connected.

[0003]

[SUMMARY OF THE INVENTION However, a facsimile equipment using such a conventional line connection, since the telephone line and the telephone set is disconnected when performing facsimile communication, the following problems depending on the form of the phone was there. In recent years, types of telephones have been diversified, and various types of telephones have been connected to facsimile machines. Above all, many multifunctional telephones such as fashion telephones use, for example, an IC (Integrated Circuit) for the communication circuit, and operate the circuit using the line current of the telephone line. For this reason, there is a slight time lag between the time when the telephone is reconnected to the telephone line after the facsimile communication and the time when the telephone becomes communicable, that is, until the initialization of the circuit is completed. When such a multifunctional telephone is connected to a facsimile machine, after the facsimile communication is completed as described above, even if the telephone line is switched to the telephone side, the circuit is not in a callable state. Was not maintained, the line was opened, and when trying to talk after facsimile communication, there was a problem that the call could not be made.

[0004] Accordingly, a first aspect of the present invention, supplies a line current to the telephone from a parallel connection of data communication unit and the telephone to the communication line before ending the data communication, switching to phone It is an object of the present invention to provide a facsimile apparatus that can make the telephone set ready for talking before connection.

[0005]

[0006]

According to the first aspect of the present invention,
In order to achieve the above object, a telephone for calling and a telephone
Data communication part for data communication, telephone or data
Switching one of the communication units to the communication line
A facsimile apparatus comprising:
Switch from the data communication section to the telephone by the connection circuit
Before that, the data communication unit and the telephone were connected in parallel to the communication line.
Connect, and the communication line and telephone are connected by the switching circuit
After that, disconnect the parallel connection between the data communication unit and the telephone.
It is characterized by having a parallel connection circuit for separating .

[0007]

[0008]

[0009]

[0010]

[Action] Oite facsimile equipment according to the invention of claim 1, wherein having the above structure, the data communication by the switching circuit
Before switching from the communication unit to the telephone, connect it to the parallel connection circuit.
Therefore, the data communication unit and the telephone are connected to a communication line.
Connect in parallel. Further, the switching circuit and the communication line
After the telephone is connected, the data communication by the parallel connection circuit
The parallel connection between the communication unit and the telephone is disconnected.

[0011]

[0012]

[0013]

BRIEF DESCRIPTION based the claimed invention 1 Symbol placement in the Examples. Figure 1 is a block diagram showing an embodiment of a facsimile apparatus according to the invention of claim 1 Symbol placement. First, the configuration will be described. In FIG. 1, a line connection unit 11 is a connection terminal to a telephone line LINE which is a communication line. The telephone connection section 12 is a connection terminal to a telephone TEL for making a call. The off-hook detection circuit 13 detects an off-hook state of the telephone TEL. The switching circuit 14 is a so-called network control device, has relay contacts a to c as shown in the figure, and connects either the telephone TEL connected to the a contact or the facsimile communication unit 15 connected to the b contact to the c contact. Is switched to the telephone line LINE connected to. The facsimile communication unit 15 is a data communication unit that performs data communication, and transmits and receives a facsimile message that is communication data.

The parallel connection circuit 16 has a relay contact as shown in the figure, and connects the facsimile communication unit 15 and the telephone TEL to a communication line before the switching circuit 14 switches and connects the facsimile communication unit 15 to the telephone TEL. LI
Connect in parallel to NE. Then, the parallel connection circuit 16
After the communication line LINE and the telephone TEL are connected by the switching circuit 14, the facsimile communication unit 15
And the telephone TEL are disconnected in parallel.

The ringing detection circuit 17 detects a call signal from, for example, an exchange or a communication partner. This
With such a configuration, the telephone T
Before switching to EL, the facsimile communication unit 15
And the telephone TEL are connected in parallel to the communication line LINE, and the parallel connection is disconnected after the switching connection .
A facsimile machine is realized.

Next, the operation will be described with reference to FIG. 2 showing the operation flow of this embodiment. First, in the telephone TEL connected to the telephone connection unit 12, by calling or receiving a call,
Establish a call with the partner station. Thereafter, a start button (not shown) of the facsimile apparatus is pressed to start communication relating to transmission or reception (step S1).

When the start button is pressed, c of the switching device 14 is switched from a to b, and the telephone line LINE is switched and connected to the facsimile communication unit 15 (step S).
2). After the connection, communication is performed according to a normal procedure (step S3). After the communication is completed (step S4), the parallel connection circuit 1 is connected.
6 is closed (step S5), and the telephone line LIN is closed.
E is connected in parallel to the facsimile communication unit 15 and the telephone TEL to supply a line current to the telephone TEL. With this line current, the telephone circuit of the telephone TEL initializes itself and enters a telephone call-enabled state.

Thereafter, the switching device 14 switches c from b to a again (step S6).
(Step S7), the facsimile communication unit 15 is disconnected from the telephone line LINE, and the communication is terminated. With the above configuration and operation, even if the telephone TEL connected to the facsimile apparatus has a communication circuit that operates using the line current, the line is closed before the facsimile communication ends. In this state, the line current can be supplied to the telephone TEL, and the facsimile communication unit 15 can be disconnected after the telephone TEL can talk, so that the line can be maintained even after the communication is completed, and the telephone can be talked.

Next, another example of the facsimile apparatus will be described.
Will be described. Figure 3 is a block diagram showing another example of a full Akushimiri device. This example is directly related to the example of the present invention.
Not a corresponding one. In addition, the above-described file in this example is used.
The same components as those of the embodiment of the facsimile apparatus are denoted by the same reference numerals, and a detailed description thereof will be omitted. First, the configuration will be described. In the figure, a power supply circuit 21 supplies power to the telephone TEL disconnected from the telephone line LINE by the switching circuit 14 as a substitute for the telephone line LINE. The second switching circuit 22 includes the switching circuit 14
And the telephone line L connected to the a-contact via the power supply circuit 21 or the switching circuit 14 connected to the b-contact.
One of the INEs is a telephone TE connected to the c-contact
Switch to L.

With this configuration , power can be supplied to the telephone TEL disconnected from the communication line LINE in conjunction with the connection operation by the switching circuit 14.
A facsimile apparatus is realized. Next, the operation will be described with reference to FIG. 4 showing the operation flow of this example . First, the telephone TEL connected to the telephone connection unit 12 establishes a call with the partner station by calling or receiving a call. Then, press the start button (not shown) of the facsimile machine,
Start transmission or reception communication (step P
1).

When the start button is pressed, c of the switching circuit 14 is switched from a to b (step P).
2), c of the second switching circuit 22 is switched from a to b (step P3). By this switching operation, the telephone line L
INE is connected to the facsimile communication unit 15, and the telephone T
EL is connected to the power supply circuit 21. Therefore, the circuits in the telephone TEL supplied with power by the power supply circuit 21 continue to operate.

The facsimile communication unit 15 includes the switching circuit 1
After the connection to the telephone line LINE by 4, communication is performed in the normal procedure (step P 4). After communication is completed (Step P
5), c of the switching circuit 14 is switched from b to a, and c of the second switching circuit 22 is switched from b to a (step P7). By the switching operation of the second switching circuit 22, the telephone TEL is switched from the power supply circuit 21 to the telephone line LINE, and the circuit in the telephone TEL can continue its operation by the power supply from the telephone line LINE.

With the above configuration and operation, during facsimile communication, the power supply circuit 2 is used instead of the telephone line LINE.
Since the power is supplied from the telephone line 1, the telephone T such as a multifunctional telephone which operates by the power supply from the telephone line LINE.
Even when the EL is connected to the facsimile apparatus, the telephone TEL can continue to operate, and the telephone call after the facsimile communication becomes possible, thereby improving the reliability.

[0024]

As described above, the file according to the present invention is provided.
According to the x-millimeter, the data communication unit is switched by the switching circuit.
Before switching to the telephone from the
The data communication unit and the telephone in parallel with the communication line.
And the switching circuit connects the communication line to the telephone.
After that, the data communication unit with the parallel connection circuit and the telephone
Before disconnecting the data communication.
Connect the data communication unit and telephone in parallel to the communication line
To supply line current to the telephone and switch to the telephone.
Before the connection, the telephone can be in a call enabled state,
Talk by switching connection to telephone after data communication ends
Can be performed.

[0025]

[0026]

[Brief description of the drawings]

1 is a block diagram showing one embodiment of a facsimile apparatus according to the invention of claim 1 Symbol placement.

FIG. 2 is a facsimile apparatus to which the invention of claim 1 is applied.
6 is a flowchart showing an operation in one embodiment of the device.

3 is a diagram showing another example of a full Akushimiri device.

FIG. 4 is a flowchart showing an operation of another example of the facsimile apparatus .

[Explanation of symbols]

 14 switching circuit 15 facsimile communication unit (data communication unit) 16 parallel connection unit 21 power supply circuit 22 second switching circuit

Claims (1)

(57) [Claims] (1) Performs data communication with the telephone
Data communication unit and either telephone or data communication unit
A switching circuit for switching and connecting one to a communication line.
Facsimile machine, Switching from data communication unit to telephone by the switching circuit
Before connecting, connect the data communication unit and telephone to the communication line.
Connected in parallel, and the communication circuit and telephone are switched by the switching circuit.
After the device is connected, the data communication unit and the telephone are connected in parallel.
A parallel connection circuit for disconnecting the connection.
Fax machine.