JPH02168763A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To attain extension call between a built-in telephone set and an externally mounted telephone set by switching a built-in telephone set to a position of an extension channel based on the depression of a call key and hook-off of the built-in telephone set and forming a channel between the external mounted telephone set and the built-in telephone set when the externally mounted telephone set is hooked off. CONSTITUTION:When a call key 13-1 of an operation section 13 is depressed and a handset 1-1 of an built-in TEL 1 is hooked off succeedingly, a relay Ry2 is thrown to the position of an extension channel 21a and a switch S3 is switched on to control a 16Hz oscillator circuit 4 and a call signal is given to a call tone generating circuit 2-3 in the external TEL 2 via the extension channel 21b and a relay Ry3, on the other hand, the switch S1 is switched on to control a 400Hz oscillation circuit 5 to give a ring back tone to the TEL 1 via the extension channel 21a and the relay Ry2. When the TEL 2 is hooked off, since a hook switch HS2 is closed, an extension channel 21 is formed and extension communication between the TEL 1 and TEL 2 is attained.

Description

[Detailed Description of the Invention] [Industrial Field of Application J The present invention consists of a 5+l, a nail filling machine and an external line (alternatively connected to an outside line), a built-in telephone set 1 and a -7 Acun Mill main body. It concerns a fan, a millimeter device.

[Conventional technology]

Conventionally, 7 mm devices have been equipped with a built-in telephone, and a telephone (external telephone) can be attached to an external terminal on the main body of the device. There is.

That is, by branch-connecting the built-in telephone and the external telephone to the outside line, calls to and reception of calls from the outside line can be made from both the built-in telephone and the external telephone.

Usually, between such a built-in telephone and an external telephone,
The secret function is activated. In other words, when making a call to an outside line or receiving a call from an outside line, the handset must first be disconnected between the built-in telephone and the external telephone.
, the party who has accessed the network will be given priority to seize the line, and a confidential state for the other party will be guaranteed.

[Problem to be solved by the invention]

However, with such conventional facsimile devices, there is a problem in that the private telephone function works between the built-in telephone and the external telephone, so extension calls cannot be made between the built-in telephone and the external telephone. .

[T Stage for Solving the Problems] The present invention has been made to solve such problems, and the first invention is to provide an extension line for connecting an external telephone and a built-in telephone, and a connection between an external telephone and an internal telephone. An external line communication path that connects the telephone and built-in telephone to the outside line, a ring signal generation circuit that outputs a ring signal to the ring key and ring tone generation circuit, and a ring signal generation circuit that outputs a ring signal to the external telephone without calling the external telephone. a first switching means for connecting the built-in telephone to one of the external lines; a second switching means for normally connecting the built-in telephone to the external telephone line; A third switching means switches to and connects to an outside line communication path based on an outgoing call request and an incoming outside line call, and a second switching means is controlled based on a pressing operation of a call key and an operation of the built-in telephone to make an outside line call. The system is equipped with a control section that switches from the road side to the extension line communication path side, controls the ring signal generation circuit in response to the above operation, and outputs a ring signal to the ring tone generation circuit of the external telephone set.

The second invention also provides an external telephone line having a dial key; an internal telephone line key for connecting the telephone and the built-in telephone; Call signal generation to output a signal! !
a first switching means for switching and connecting the outside line to either the facsimile main unit or the outside line line; a second switching means for normally connecting the built-in telephone to the outside line line; A third switching means that normally connects the plugging machine to the internal telephone line and switches the connection between the external telephone line 1 and J based on an external telephone call request and an external telephone call reception; Comparison 2nd ("'l Control the switching means to connect the built-in telephone to the extension line, 9]
As well as changing My, a calling signal is issued based on the above operation 1t+
i. The built-in telephone ring tone generating circuit C5 is also equipped with a control section that controls the flower and outputs a ringing signal.
The third invention is the second invention 6″+!,, 1-(”,
(Calling of the built-in telephone by the dialing machine t1 and] 7.h)
facsimile communication to the main unit (a detection circuit that detects the dial signal issued from the dial key operated in response to the transfer, calls the built-in telephone by the detection circuit) When detecting, the second switching means is controlled to switch the built-in telephone to the extension line side, and the ring tone generation circuit is controlled to output a ringing signal to the ring tone generation circuit of the built-in telephone. When an external line call transfer is detected, the first switching means is controlled to switch the external line, etc. 72 to the 4+'J system for connection.

[Function] Therefore, in the first invention of present 1B, based on the pressing operation of the call key and the off-hook operation Q,' of the built-in telephone, the built-in telephone is switched to the extension line side and the external telephone is called, and the external telephone is called. When the external telephone is turned off to the first hook, a communication path is established between the external telephone and the built-in telephone.

Further, in the second invention of the present application, the built-in telephone Q of the external telephone
Based on this call operation, the built-in telephone is switched to the extension line C and the built-in telephone is called, and when prompted, the built-in telephone is off-hook. (3) In addition, in the present invention, when a dial signal sent out based on a dial key C, :l operated in response to a call to the built-in telephone by an external telephone is detected, the built-in telephone The call is switched to the calling side and the call is made.Also,
When a dial signal sent out based on a dial key operated in response to external call transfer based on the facsimile body from the external telephone to the facsimile main body is detected, the external line is switched and connected to the facsimile main body.

〔Example〕

Hereinafter, the facsimile apparatus according to the present invention will be explained in detail.

FIG. 8 is a perspective view of a system configuration showing an embodiment of this facsimile apparatus. In the figure, 1 is a built-in telephone (hereinafter referred to as an internal telephone) built into the facsimile body 3.
, 2 is an external telephone set (hereinafter referred to as external TEL) installed in a separate room from the facsimile body 3, for example.

FIG. 1 is a block circuit diagram of this facsimile machine. In the figure, inner T E 1. , 1 is hard seso) 1. −． 1. Call circuit 1-2. Ring ordering time Pgi3
and hook switch) consists of ISI, outside 'I''EL
2 is a hand seven sole l-2-1. Call circuit 2-2. Ringing tone generation circuit 2-3. Dial key 2-4. PB sender 25
and a hook switch I (S2).In addition, in the facsimile body 3, 4 is a 16 Hz oscillator circuit that generates a ringing signal of A 400 Hz oscillator circuit that generates a tone signal, 6 a modem that demodulates both signals received from the outside line and modulates the image signal read by CCI) 5, and 2y1 a relay Ry4 that will be described later on the outside line. via 'l''I3□1.1.
Line to the outside TI station L2 side (hereinafter referred to as outside line communication path)
20 and the modem 6, the first relay, Ry2, T E l-1 is connected to the outside line communication path 20 and the modem 6. External T IE +,, via T2
Line "Ia" (hereinafter collectively referred to as extension line 21) to the 2 side
When referred to in part, it refers to extension communication paths 21a, 21.
A second relay Ry3 switches the device 2 to one of the outside line communication path 20 and the extension line communication path 21, and a third relay R
y4 connects the outside line to the melody sending circuit 7 and the outside line communication path 20
A fourth relay, Ry 5, switches the external line to either the DP signal sending circuit 22 or relay Ry1. A fifth relay 8 switches the external line to either the DP signal sending circuit 22 or the relay Ry1.
A power supply circuit that applies voltage to 1, Sl is a tone signal sent from a 400 Hz oscillation circuit 5 to an extension communication path 21cm21.
a, 21cm21. S2 is a switch for giving the ring signal sent from the 16Hz oscillation circuit 4 to either the internal L or the device 2 via the extension line 21a to the ring tone generating circuit 1-3 of the internal L. switch,
S3 is a switch for giving the ringing signal sent by the 16 Hz oscillation circuit 4 to the ringing tone generation circuit 2-3 of the device 2 via the extension communication line 21b, and 9 is a switch for providing the incoming signal of 16H2 from the outside line via the relay Ryl. 0 is a control circuit that controls each part. Also, 11
The hook switch H32 is switched to the communication circuit 2-2 based on the off-hook operation of the outside TEI, 2, thereby connecting the transformer T2-relay Ry3-hook switch HS2.
-Telephone circuit 2-2-DC loop detection circuit for detecting a DC loop caused by the handset 2-1;]2 is a PB multiplier sent from the PB sender 2-5 based on the operation of the dial key 2-4 of the device 2; PB receiver circuit for signal detection,
13 is a call key 13-1 to be operated when calling outside TEL2. Hold key 13-2. Communication key 13-3 to be operated when performing Phantas communication. Dial key 13-4
14 is a CCD 15. A CCD head control circuit that controls the thermal head 16, 17 is an RA
M, 18 is a ROM, 19 is a motor control circuit that connects the motor M, HS 3 is a hook inch that is linked to a hook switch H3I, and 22 corresponds to a dial key 13-4 operated in the operation unit 13. This is a DP signal sending circuit that sends out a dial pulse signal under the control of the control circuit 10 into which a dial signal is input.

Relays Ryl to Ry5 and switches 31 to S3 are controlled by control circuit 10, and the switching states shown in the figure indicate initial set states of each relay and switch. That is, switch 3
1 to S3 are turned off, relays Ry1 and Ry2 are connected to the outside line communication path 20 side, relay Ry3 is connected to the extension line communication path 21 side, relay RY4 is connected to the outside line communication path 20 side, and relay Ry5 is connected to the relay Ryl side. This connection state is defined as the initial state. In addition, 16Hz oscillation circuit 4 and 400Hz
The operation of the oscillation circuit 5 is also controlled by the control circuit 10, and after the image signal received from the outside line is demodulated by the modem 6, when the received image data is input to the control circuit 10, the COD head control circuit 14 and records on a recording paper by a thermal head 16, a control circuit 10 supplies an image signal from a CCD 15 read from a transmission document to a modem 6, modulates it, and sends it to an outside line. Further, the contents of key operations on the operation unit 13 are different from those of the control circuit 10.
When the handset 1-1 is recognized in the internal TE L1 and goes off-hook, the hook switch HS
1, the hook switch H33 is turned on, and based on the on state of this hook switch HS3, the internal T E
The off-footer at L1 is recognized by the control circuit 10. Also, when the handset 2-1 is off-hook in the device 2, the hook switch H
S2 switches to the communication circuit 2-2 side and connects to extension communication path 2.
A closed loop is formed between 1b and the device 2, and a current flows through this closed loop based on the voltage applied via the power supply circuit 8. Based on the detection power of the direct loop detection circuit j1 that detects this current, the control circuit Outside T E L 2 at 10
Off-hook is now recognized. Also,
By connecting and providing the PB receiver circuit 12 to the extension communication path 21b, the content of the operation of the dial key 24 in the device 2 can be recognized in the control circuit 10 based on the detection power of the PB receiver circuit 12. There is.

Furthermore, based on the detection power of the incoming call volume detection circuit 9, incoming calls from outside lines are sent to the control circuit 10 as L2+86.

On the other hand, between the inner L and outer TBL2, the control circuit 10 controls the relays Ry2 and Ry3 to provide a secret function. In other words, when making a call to an outside line or receiving a call from an outside line, internal 1 and external T are used.
With respect to E I-2, the one that off-hook the handset 1□ first is given priority to seize the line, and a confidential state for the other party is guaranteed. Also,
When a call is received from the outside &'iL, relay Ry3 is connected to the outside line communication path 20 side in the initial state shown in the figure, and the incoming calls from the outside vAL are sent to the inside I and outside T E.
It is given to L2 at the same time.

Next, the basic operation of this facsimile machine will be explained using flowchart 1 in FIG.

First, it is determined whether the mode is facsimile transmission mode (step 701). This determination is made when the internal T E +-1 goes off-hook and the dial transmission 1 communication key 13-3 is pressed, thereby determining the facsimile transmission mode. That is, the off-hook of the internal I is detected by turning on the hook switch H33, and then when the dial key 13-4 in the operation unit 13 is pressed, if the DP double signal is to be sent as a dial signal, relay Ry5 is controlled. and switches the outside line to the DP signal sending circuit 22 side, and the DP signal sending circuit 22 switches the outside line L-relay Ry in response to the pressed dial key 13-4.
The DC loop formed by the 5-DP signal sending circuit 22 is interrupted and the DP double signal is sent to the outside line. If the PB double signal is to be sent as a dial pulse, relay Ryl is controlled to switch the outside line to the modem 6 side, and the PB double signal generated by the modem 6 is sent to the outside line. After that, when the carrier is sent from the other party's facsimile machine and the communication key is pressed, it is determined that the facsimile is in fax transmission mode (
Step 701). Then, fax transmission processing is performed (step 702). That is, the CCD 15 is controlled by the CCD head control circuit 14, reads the transmitted original, sends this image signal to the modem 6, modulates it, and sends it to the relay R.
It is sent to the outside line via yi and Ry5.

On the other hand, if it is not determined in step 701 that the mode is the fax transmission mode, it is determined whether the mode is the fax reception mode (step 703). This determination is made, for example, when an incoming call is detected, the inset L is off-hook, and the communication key 13-3 is pressed, thereby determining the facsimile reception mode. That is, incoming call detection is performed based on the output from the incoming call signal detection circuit 9, and off-hook detection of the internal I is performed based on the on state of the hook switch H33 linked to the hook switch H3I. After that, when the press of the communication key 13-3 in the operation unit 13 is detected, it is determined that the mode is fax reception mode (
Step 703). Then, fax reception processing is performed (step 704).

That is, in addition to controlling relay Ryl to switch the outside line to the facsimile main body side, that is, to the modem 6 side, the image signal arriving from the outside line is demodulated by the modem 6 and output to the control circuit 10, and then controlled by the CCD head control circuit 14. The image is recorded on the recording paper by the thermal head 16.

In addition to the above, as a condition for determining the fax reception mode, if after going off-hook based on the incoming call at the external station 2, if the incoming call was based on a fax communication, the incoming call of the fax communication at the external station 2 is transferred (remote call). In some cases, a dial operation corresponding to the call is detected, but this remote call reception will be described later.

If the fax reception mode is not determined in step 703, it is determined whether the TEI mode is selected (step 703).
05). This determination is made based on the flowcharts shown in FIGS. 2 to 6.

If it is determined that it is a certain mode, processing for the determined mode is performed (step 706).

If the TEL mode is not determined in step 705, the process returns to step 701 and the determination and processing described above are repeated.

Next, the position mode will be explained based on the flowchart shown in FIG.

That is, in the initial state shown in FIG.
After pressing 3-1, place 1's hand seven throats 1-1
When off-hook, the press output of this call key 13-1 and the off-hook output of inner TEL1 are connected to the control circuit IO.
(Step 203. Step 204.
), it is determined that it is in extension call mode. Then, extension call processing is performed. That is, the relay Ry2 is switched to the extension communication path 2]a side (step 205). And control circuit 1
If 0, the switch S3 is turned on to control the 1.6 Hz oscillation circuit 4 and give a ringing signal to the ringing tone generating circuit 2-3 in the external unit 2 via the extension line 21b and the relay Ry3 (step 206). , with switch S1 turned on; 4.
The OOHz oscillation circuit 5 is controlled to give an internal 1-hering back tone via the extension line 21a and the relay Ry2 (step 207). The ringing tone generating circuit 2-3 generates a ringing tone based on the sent ringing signal. If the external unit 2 is moved off-hook due to the generation of this ring tone, the hook inch I-I S 2 will be turned on, and the extension line 2 will be turned on.
1 is formed, a current flows based on the voltage applied from the power supply circuit 8, and a direct loop detection circuit 1 detects this current.
Based on the detection force of 1, the control circuit 10 recognizes off-hook at the external location 2. Outside TEL
If the off-hook at 2 is recognized (step 208),
The control circuit 10 determines that a communication path has been formed between the internal TR 2 and the external TR 2, turns off switches S1 and S3, and sends a ring hack tone to the internal TR 1 and transmits the ring hack tone to the external TR 1. In step 209), the transmission of the call signal to TEL 2 is stopped, and in step 21.0), the mode is changed to an extension call mode, allowing an extension call between the inner TEL 1 and the outer TEL 2.

Note that even if the call key 13-1 is pressed, step 204
If TEL 1 is not off-hook at step 211, it waits for the soft timer (1-minute timer) to finish counting, determines that it is in idle mode, and displays the clock at step 212. Transition to idle state. Then, the process returns to step 701 in FIG. 7, and the determination and processing are repeated from the beginning. Furthermore, if the external TEL 2 is not off-hook in step 208 even if the external TEL 2 is made to ring by giving a ringing signal, the on-hook of the internal TEL 1 is confirmed in step 213, and the system determines that it is in idle mode. Then, it stops sending the ringback tone to the inner TEL1 and the calling signal to the outer station 2 (step 214), and returns to the idle state via step 212.

Next, the extension calling operation (internal TEL calling) from the external TEL 2 to the internal TEL I-1 will be explained.

That is, in the initial state shown in FIG. 1, when the external unit 2 is off-hook, the external T
The off-hook of EL 2 is recognized by the output of the direct loop detection circuit 11 as described above (step 202), and upon being prompted by the incoming calls from the outside line, it is recognized that the out-of-hook 2 is not off-hook ( Step 215) and step 216 to shift to the "External E L mode".

FIG. 3 is a flowchart that does not show this external mode. In step 301, after confirming the off-hook state of the external TEL 2 by the output of the direct loop detection circuit 11 as described above, the control circuit 10 turns on the switch S1 and supplies the tone from the 400 Hz oscillation circuit 5 to the external unit 2 via the extension lines 21c and 21b and the relay Ry3 (step 302). Then, if the "3* key" is pressed using the dial key 2-4 of the outside TEL 2 from such a state, the PB double signal based on the "3* key" is controlled via the PB receiver circuit 12. It is recognized by the circuit 10 (step 303), it is determined that the mode is an extension call mode, and the extension call processing is performed. Immediately, relay Ry2 is switched to the extension communication path 21a (step 304). Then, the control circuit 10 turns off the switch S1 and outputs T.
After interrupting the transmission of the dial tone to E L 2 (step 305), the switch S2 is turned on], and the 6 Hz oscillation circuit 4 is controlled to send a calling signal to the internal T E via the extension communication line 21a and the relay Ry2. Ringing tone generation circuit 1 of L1
-3 (step 306), and the switch S
Turn on 4. Controls the OOHz oscillation circuit 5 and connects the ring phone to the extension line 21. C, 21b,
Provided to external station 2 via relay Ry3 (step 307
). The ringing tone generation circuit 1-3 which receives the ringing signal generates a ringing tone. When prompted by this ringing tone to go off-hook, the hook switch HS3 is turned on in conjunction with the switching of the hook switch HS1 to the communication circuit 1-2, and the internal "I" E L is turned on in the control circuit ]0. 1 off-hook becomes recognized (step 308). As a result, the control law path 10 has an inner T E L j and an outer T E
It is determined that a communication path has been formed with L2, and the switches s1 and S3 are turned off to stop sending the ring hack tone to device 2 and the sending of the calling signal to internal device I (step 309). , to transition to extension call mode (step 31.0), outside TE I-2 and inside TE L]
Furthermore, if the outside T and EL2 are turned on-hook in step 301, it is determined that it is in an idle mode and becomes an idle state. Also, even if you make the internal 'I''E t, I ring by giving a calling signal,
If the inner '1'' E L 1 is not off-hook in step 308, the outer 'I' B
After confirming that L2 is on-hook, it determines that it is in idle mode, stops sending the ring hack tone to device 2 and the calling signal to the internal meter (step 312), and returns to the idle state. Also, dial key 2-4 of device 2
Instead of pressing the "3* key", press the "5* key", and the press of this "5* key" is transmitted to the PB receiver circuit 12
When the control circuit 1o recognizes it via (step 314.
), outside T EL outside line MO F is judged. Then, device external line mode processing is performed. That is, after turning off the switch s1 and interrupting the transmission of the dial tone to the device 2 (step 3
15) Switch the relay Ry3 to the outside line communication path 20 side to form a DC loop between the outside T E L 2 and the outside line ■, and switch the relay Ry2 to the extension line communication path 21a side, and connect the outside T to the inside line L. Step 316) sets the E L 2 in a private state and connects it to the outside line I5. Step 317) changes the device to the device outside line mode, allowing outside line calls from the device 2.

Next, transfer the external line from the internal account to device 2. The operation will be explained.

That is, in the initial state shown in FIG. 1, when the in-place I is off-hook based on a call to the outside line or an incoming call from the outside line, the control circuit 10 selects the in-place I by the output of the funx isochi H83 as described above. Off-hook is recognized (step 201) and step 217
The system determines that it is in "internal mode" and shifts to internal processing, making it possible to talk between the internal account and the external line ■.

If you want to transfer the outside line call to device 2 during an outside line call on TEL 1, press the hold key 13 in the operation section 13.
Press -2. FIG. 4 does not show the details of the outside line transfer operation from the internal I to the external TEI 2, but is a F1 coach yard.

If the holding key 13-2 is pressed with the internal setting 1 off-hook, the off-hook state S of the internal setting L is confirmed in step 401, and the pressing of the holding key 13-2 is recognized in step 402, and relay Ry4 is activated. is controlled to switch the outside line to the melody sending circuit 7 side, and the melody sending circuit 7 sends the melody to the outside line and puts the outside line on hold (step 1403). In this state, when the call key 13-1 in the operation section 13 is pressed, step 40
In step 405 after passing through 4, this call key 13-1
Recognizes that the button is pressed, determines that it is in extension call mode, and activates Relay Ry.
2 to extension line 21. At the same time, the switch S3 is turned on to give a ringing signal from the 1.6 Hz oscillation circuit 4 to the ringing tone generating circuit 2-3 of the device 2.
Step 406). The ringing tone generation circuit 2-3 generates a ringing tone based on the input of the ringing signal. When the device 2 goes off-hook in response to this ringing tone, this off-hook is recognized in step 407 by the output of the direct loop detection circuit 11, and the transition to the extension call mode occurs (step 4.08). Inside between 2! a Calls can be made (
Step 408). And this one! If the LpiA call informs the outside T E L2 that the outside line will be transferred and the internal call is on-hook, step 60 shown in FIG.
In 1, the on-hook of this internal L is Funksisochi H33
In step 603 after passing through step 602, the system recognizes that the outside line is on hold due to internal placement I, determines that the device is in the outside line mode, and performs outside line processing. Zunawachi,
While switching relay Ry3 to the outside line communication path 20 side (
Step 604. ), connect relay R3r4 to outside line communication path 20
(step 605) and change to the outside TEL line mode (step 606).
2 to make outside calls.

Note that when the internal line I is on-hook in step 404 shown in FIG. 4, the relay Ry3 is switched to the outside line communication path 20 side, and the internal line I and the external line 2 are connected as a branch to the outside line ■. Step 409). In this case, the person who received the outside line at Inner I moves to Outside T E L 2 and goes to Outside Down Z.
When talking on the side, or finding materials etc. and keeping them inside 1
This may be the case when a call is made again. In the former case, the off-hook occurs on the outside lower Z side, so when the off-hook is recognized in step 410 by the output of the direct loop detection circuit 11, it is determined that it is the outside T E L outside line mode, and outside lower outside line processing is performed. . That is, in step 411, the outside call hold due to the internal call I is released, the private call function is activated, and the relay Ry2 is switched to the extension line communication path 21a side.
and the outside line are connected, and the mode shifts to the external EL outside line mode (step 412). In the latter case,
Since the off-hook occurs again on the internal I side, this off-hook is recognized in step 413 by the output of the hook switch H33, and the relay Ry3 is switched to the extension communication path 21b side to cancel the parent-child branch (step 414).

Then, when the hold key 13-2 is pressed again, the press of the hold key 13-2 is recognized in step 415, and subsequently, the hold for the outside call due to internal I is released (step 41.6), The confidential state for E I-2 is ensured, and the call between Inner I, 1 and Outer Line 7 is restored.

Note that even if the call key 13-1 is not pressed in step 405 and the hold key 13-2 is pressed in step 415 during off-hook with internal setting I, the outside line is put on hold by internal setting I in the same manner as described above. In addition to canceling the
Secure the confidential state for L 2 and send the inner T E L
1 and the outside line will be restored.

Also, in step 407 shown in FIG.
2 is not off-hook, the re-pressing of the call key 131 is recognized in step 417, the switch S3 is turned off, the sending of the call signal to the outside TEL 2 is interrupted, and the process returns to step 419) and step 404. shall be. Further, even if the internal account is on-hook without pressing the call key 13-1 in step 417, the process returns to step 404 via step 419 in the same manner. Further, if the internally placed I is on-hook in step 401, it is determined that the mode is idle and returns to the idle state.

Next, the operation of transferring an external line from external TEL 2 to internal terminal I will be explained.

That is, when an incoming signal is given from the outside line via relay Ryl, the control circuit 10 recognizes this incoming signal via the incoming signal detection circuit 9, and in the initial state shown in FIG. Ry3 is switched to the outside line communication path 20 side. That is, the inner TEL 1 and the outer lower line 2 are branch-connected to the outside line, and each ring tone generating circuit 1-3, 2-3 generates a ring tone in response to the incoming calls.

If you off-hook the outer 2 when prompted by the ring tone, the second
In step 215 shown in the figure, the off-hook state of the outside TEL 2 based on the incoming calls from the outside line is recognized by the output from the direct loop detection circuit 11, and the outside TEL outside line mode is determined. Performs lower external line processing. That is, relay Ry2 is connected to extension line 21. After switching to the A side and securing the private communication state of the internal I, it shifts to the l/outside/lower line mode (step 218), making it possible to talk between the outside TEL 2 and the outside line. Also, if you press the "5* key" in step 314 shown in FIG. 3, the outside TE L2
Allows calls to be made to outside line 1- from outside T E
Step 317) to transition to L outside line mode //, outside T
Enables calls between E L 2 and an outside line. Also, when an external line is transferred from internal I to external T E I-2, the external line is transferred through step 606 shown in FIG.
Shifts to L outside line mode... and enables calls between outside TEL 2 and outside line.

If you wish to transfer an outside call to internal TEL 1 during an outside line call on outside TEL 2, use the dial key 24 of outside lower 2 to press the "3* key J." T
12 is a flowchart showing details of an operation for transferring an outside line to E L 1. That is, after confirming the off-hook state of the outside line 2 (step 501), it is checked whether the outside line call on the outside line 2 is based on the incoming call from the outside line 1- (step 502). ),, step 5
02, if it is determined that the outside line call on the outside line 2 is not based on the incoming call from the outside line, that is, outside line '1'.
Yamiri.

If the call is determined to be an outside call based on the call from 2, 11, the process returns to step 501. Zunawara, outside '1' E L 2
In the case of an external call based on a call from G, 'ba, 1'
External line transfer to IF Ll is not possible. In step 502, the outside line call of outside T) EL 2 is changed to outside line [.

If it is determined that the call is based on the incoming call number from , the process advances to step 503 . Then, in step 504 after passing through step 503, when the press of the "3* key" is recognized via the PB receiver circuit 12, it is determined that it is the extension call mode, and extension call processing is performed. That is, the relay Ry4 is switched and the melody is sent from the melody sending circuit 7 to the outside line, thereby putting the outside line on hold (step 505).
The relay Ry3 is switched to the extension line 2Ib side (step 506), and the process is interrupted to step 306 shown in FIG. That is, a ringing signal is sent to the inner TEL 1 and a ring pack tone is sent to the outer TEL 2 (steps 306 and 307).
-3 prompts the internal TF, ■ = 1, to go off-hook, and in step 3]0 after passing through step 309, an internal call is made between the external TEL 2 and the internal TEL 1. It becomes possible. Of these! l#1 call causes internal T E
Notify L 1 that you will be transferring an outside line and call outside T E L
2 on-hook, step 607 shown in FIG.
At step 608, the on-hook of the outside TEL 2 is recognized by the output of the direct loop detection circuit 11, and in the following step 608, after recognizing that the outside line is on hold by the outside line 2, it is determined that it is in the internal placement mode, and the internal TEI process is executed. conduct. Relay R
Switch y2 to the outside line communication path 20 side (Ste Tsubu 609
), relay Ry4 is switched to interrupt the sending of the melody from the melody sending circuit 7 to the outside vAL to release the hold (step 61.0), and the switch S1 is turned on to output a busy tone (busy tone) to the outside vAL. sound) (step 611), and then switch to "internal mode" in step 6.
12) Enables calls between internal line 1 and external line. The transmission of the busy tone in step 611 is
If 2 is off-hook, outside T E L is placed inside I to 2
serves to notify that an outside call is in progress.

If you receive a facsimile signal (for example, a bee signal) from an outside line at outside TEL 2, you can receive a remote call by pressing the "7* key" on dial keys 2-4. Become.

That is, if you press the "7* key" in step 503 instead of pressing the "3* key" in step 504, it will be recognized as remote incoming mode, that is, facsimile receiving mode, and will control relay Ryl to send an outside line. , to the facsimile main body side, that is, the modem 6 side, and (
Step 507), switches the relay Ry3 to the extension line 21b side (step 508), turns on the switch S1, gives the busy tone from the 400 Hz oscillation circuit 5 to the outside TE L 2 (step 509), and receives the facsimile. Before proceeding to processing, step 510) controls the CCD head control circuit 14 based on the received image signal,
The thermal head 16 performs recording on recording paper.

Also, the outside line was put on hold at outside TEL 2!
During an extension call with [Internal TEI], if [Internal TEI] is on-hook, the [Extension Call Mode] shown in Figure 6 will be activated.
At step 601, on-hook of the inner TE L1 is recognized, and the process proceeds to step 602. Then, in step 602, when it is confirmed that the outside line is being held by the outside line 2, it is determined that the outside line mode is set, and the outside line processing is performed.

That is, in steps 604 and 605, the outside terminal 2 is switched to the outside line communication path 20 side to cancel the outside line hold state, and the internal TEL 1 is switched to the extension line communication path 21, a side, and the outside TEL outside line mode is established. -Move to ~. In addition, if the internal TE11 is on-hook during an internal call between the external TEI, 2 and the internal TEL with no external call being put on hold, steps 601-601-603 are performed.
After that, it is determined that it is an outside VEL mode, and the outside T E l process is performed. That is, the internal TEL 1 is connected to the internal telephone line 21.
Switch to side a, outside T li, ! .

2 to the outside line communication path 20 side-1 to shift to the ``outside 1'' I-7 mode.

On the other hand, during an internal call with outside number 2 while the outside line is on hold at inside T゛EL L, outside - r r - < L2
If 6 is on-hook, the process goes through step 608 to step 613, and if the outside line is checked on the STEP 13, the internal T E +, mote and Judgment is made and processing is performed.In other words, the outside TEL 2 is connected to the extension communication path 21a.
1, the internal device L is switched to the outside line communication path 20 side (step 614), and the process proceeds to step 4 in the internal device mode shown in FIG. In addition, if the outside TEL 2 is off-hook during an internal call between the internal TEL 2 and the internal TEL 2 when the outside line is not on hold, 1 is determined to be the internal FEL mode, and the internal TEL IE L
Perform processing. That is, the outside TEL 2 is switched to the extension communication path 21b side, the inside 1' I-: L 1 Hatoso, Iton is given (step 61F)), and the inside TEL 2 is switched to the extension line 21b side.
Switch I to the outside line 20 side (S, -n knob 6)
16)3. , move to internal setting mode Fi-IJ A:,
(Sura) 617)! , < thl゛, the call to the outside ``I'' IEL 2 from the inside TF+1 may be performed by pressing the call key 13L following the off-hook of the inside -T'EL, l), Outside'
? 'f' from El, 2 F-: 1. , 1 can be freely modified, such as calling the dial key 24 (* = 1. - . 1 may be pressed, followed by the off-hook of outside T E + - 2), etc. Shinoko, when calling the outer T E l-2 (inner'rlΣI-,1') from the inner T E L,'l (outer lower 2), at least seven calls are made to the outer'['F', ! , 2
(inside "r' RL 1) side is a ringing tone generation circuit 23 (
1:o is sufficient, and it is not necessary that there is a ring tone generation circuit on the inside 'r1 type,, if outside -1''F';
23) 4 is attached and L7 is not required.

Further, in this embodiment, the outside T゛EL 2 is a PB telephone, or f) it is also possible to control it in the same way even if it is a P telephone.

〔Effect of the invention〕

As explained above, according to the facsimile apparatus according to the present invention, in the first invention, the built-in telephone is switched to the extension line side and the external telephone is called based on the pressing operation of the call key and the off-hook operation of the built-in telephone. , If the external telephone is prompted to go off-hook, a communication path is formed between the external telephone and the built-in telephone. Based on this, if the built-in telephone is switched to the internal telephone line and the built-in telephone is called, and if the built-in telephone is prompted to go off-hook, a communication channel will be formed between the built-in telephone and the external telephone, and the built-in telephone will be called. In addition to securing a confidential conversation function between the telephone and the external telephone, it is possible to make internal calls between the built-in telephone and the external telephone.

In addition, in the third invention, when a dial signal transmitted based on a dial key operated in response to external call transfer based on facsimile communication to the facsimile main body by the external telephone is detected, the external line is switched and the facsimile is transmitted. It is connected to the main body, and in addition to the effects of the second invention described above, it is possible to perform remote reception of facsimile communications without transferring calls using the external telephone.

[Brief explanation of the drawing]

FIG. 1 is a small circuit diagram of an embodiment of a facsimile apparatus according to the present invention, and FIG.
・Re1■ Explaining the operation of the device ``TEI-mode'' is not shown.
The flowchart in Figure 4 is the same (without showing the mode), Figure 5 is the same as the flowchart in Figure 4 (without showing the outside line motor). Similarly, Figure 6 is a fumaray chart showing the extension call mode, Figure 7 is a flowchart showing the basics and operations of this factor calculation device, and Figure 8 is a system configuration of this facsimile machine. It is a perspective view. 1... Built-in telephone (inside), 2... External telephone (
outside), 3...Facsimile body, 4...i,
6 Hz oscillation circuit, 6...Modem, ζ38 10...Control sum circuit, 12・PBL et al.- circuit, 13...Operation unit, 20・External line 1JTt talk M
and 21, 212.21 1), 2i (・ ・
・ Uchiwata Sei-1 Horoscope 1-3.2-3... Ringing tone generation circuit, 2. ) ear key, ] 3-1...11 moves t1
-1 key, press y + -= iguy5...relay,
SL・～Electric, 3・・Sui,ノ)-17...External line.

Claims (3)

[Claims] (1) In a facsimile machine that is selectively connected to an external line together with an external telephone having a ringing tone generation circuit and is composed of a built-in telephone and a facsimile main body, an extension line that connects the external telephone and the built-in telephone a telephone line, an external telephone line for connecting the external telephone and the built-in telephone to the outside line, a calling key for calling the external telephone, a calling signal generating circuit for outputting a calling signal to the ringing tone generating circuit; a first switching means for switching and connecting an outside line to either the facsimile main body or the outside line communication path; a second switching means for normally connecting the built-in telephone to the outside line communication path; a third switching means that is normally connected to the internal telephone line and switches to the external telephone line based on an external telephone call request and an external telephone call reception; based on the operation, the second switching means is controlled to switch the built-in telephone from the external telephone line side to the internal line line side; and a control unit that outputs a calling signal, and a communication path is formed between the external telephone and the built-in telephone by off-hooking the external telephone in response to the calling signal. facsimile machine. (2) In a facsimile machine, the facsimile machine is configured of a built-in telephone set that is selectively connected to an outside line together with an external telephone set having a dial key, and has a ringing tone generating circuit, and a facsimile main body, wherein the external telephone set and the built-in telephone set are connected to an external line. an internal line communication line connecting the external telephone and the built-in telephone to the external line; a ring signal generation circuit that outputs a ring signal to the ring tone generation circuit; a first switching means for switching and connecting the built-in telephone to either one of the external telephone lines; a second switching means for normally connecting the built-in telephone to the external telephone line; and a second switching means for normally connecting the external telephone to the internal telephone line. a third switching means that connects to the external telephone and switches to the external telephone line based on an external telephone call request and an external telephone call reception; and a third switching means that controls the second switching means based on a calling operation for the built-in telephone of the external telephone. a control unit that switches the built-in telephone to the extension communication path and controls the ringing signal generation circuit based on the operation to output a ringing signal to the ringing tone generation circuit of the built-in telephone; A facsimile apparatus, wherein a communication path is formed between the built-in telephone and the external telephone by taking the built-in telephone off-hook when prompted. (3) Claim 2, further comprising a detection circuit for detecting a dial signal sent based on a dial key operated in response to a call to the built-in telephone by an external telephone and transfer of an external call based on facsimile communication to the facsimile main body. When the detection circuit detects a ringing of the built-in telephone, the control section controls the second switching means to switch the built-in telephone to the extension line, and also controls the ringing tone generating circuit to generate a ringing tone of the built-in telephone. A facsimile apparatus that outputs a calling signal to a circuit, and when the detecting circuit detects transfer of an incoming external line, controls a first switching means to switch and connect the external line to the facsimile main body.