JPH0260364A - Telephone system - Google Patents

Abstract

PURPOSE:To improve distinguishability of a ringing tone by sending a ringing tone signal to a telephone receptacle from a main device through a signal line to report the ringing tone from a speaker at the time of a call other than the call from a line wire. CONSTITUTION:An extension number corresponding to an extension 3a is dialed on a telephone set, whose handset is hooked off, to call the extension. When receiving the dial signal of the specific extension number through a speech control circuit 13, an operation control circuit 11 sends the ringing tone signal corresponding to a buzzer tone to a telephone receptacle 2a through a ringing tone sending circuit 12 and a signal line 4 corresponding to the specific extension 3a. The buzzer tone is emitted from a speaker 8 provided in the receptacle 2a, and simultaneously, a relay Ry is driven through a transistor TR Q0. A switching contact r1 is switched from a contact (b) to a contact (a), and an originating circuit 14 is connected to the extension 3a through the contact r1, and 16Hz AC signal having a square wave is superposed to the extension 3a.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a telephone device that can be used with a general telephone.

[Prior Art] Conventionally, a telephone device having a switching function uses a dedicated telephone set as an extension telephone designed according to the main device of the telephone device.

However, in response to the dissatisfaction that users cannot freely select the design, functions, etc. of such conventional devices, telephone devices have also been provided that allow users to freely connect commercially available telephones according to their preferences.

This telephone device can also be connected to a commercially available telephone that has the basic functions of a telephone, so it can be used for calls from outside lines connected to the central office, calls for calls between extensions, or even a doorbell. All calls from the mold had to be announced only by the bell of the telephone.

Therefore, in order to distinguish between these calls, telephone devices have been changing the ringing period and time of the bell, but when actually listening to the ringing sound of the bell, it is difficult to distinguish between them.

Therefore, a telephone device as shown in FIG. 4 has been provided which takes such problems into consideration.

This telephone device connects a main device 1 and a telephone outlet 2 via an internal line consisting of an extension line 3 and a signal line 4,
When a call is made from the outside line 5, the bell of a commercially available telephone 7 connected to the extension 3 is rung through the modular jack 6 of the telephone outlet 2, and when a call other than the outside line 5 is called, a ring tone signal is sent from the main device 1. The signal is sent to the telephone outlet 2 through the line 4, and the speaker 8 installed in the telephone outlet 2 is used to notify the user.When the extension is called, a buzzer sound is emitted, and when the flat door phone 9 is called, a chime sound is emitted, for example. This made it possible to distinguish between each call, increasing identifiability.

The operation of the conventional example shown in FIG. 4 will be explained in more detail as follows.

For example, when there is a call from the flat door phone 9, a call signal is input to the arithmetic and control circuit 11 made up of CPtJ via the door phone interface 10.

When this ringing signal is received, the arithmetic control circuit 11 sends a ringing tone signal corresponding to the chime sound to the speaker 8 of the telephone outlet 2 via the ringing sound sending circuit 12 and the signal line 4, and the speaker 8 emits the chime sound. let

Further, when there is a call from the outside line 5, the outside line 5 is connected to the extension line 3 through the call control circuit 13, and the bells of the telephones 7 connected to each telephone outlet 2 are made to ring.

Furthermore, when there is an extension call for a call between the telephones fi7 connected to the extension 5 through the telephone outlet 2, the arithmetic control circuit 11 detects this and controls the ring tone sending circuit 12 to emit a buzzer sound. A ring tone signal is sent from the ring tone sending circuit 2 to the telephone outlet 2 via the signal line 4 corresponding to the extension 5 that received the call, and the speaker 8 of the telephone outlet 2 emits a buzzer sound.

In this way, it is possible to identify the caller by notifying the ringer according to the caller.

Furthermore, Figure 5 shows the internal circuit of the telephone outlet 2.
A speaker 8 is connected to the signal line 4 through a variable resistor VR for volume adjustment.

[Problems to be Solved by the Invention] However, the conventional example shown in FIG. 4 has the following problems. In other words, when a call is received from extension 3 or an external line 5 is transferred, only the buzzer is emitted from the speaker 8 of telephone outlet 2, and the bell of telephone 7 does not ring. I was unable to start the terminal which automatically responds if I continue.
The present invention has been made in view of the above-mentioned problems, and its purpose is to make it possible to emit a ring tone depending on the type of call from the speaker of the telephone outlet.
Moreover, when a facsimile machine or the like is connected to a terminal that automatically responds to an incoming outside line signal, the present invention provides a telephone device that can activate the terminal when transferring an outside line or calling an extension.

[Means for Solving the Problems] The present invention changes the communication path between a telephone connected to an extension line and the external line when an incoming call is received from an external line, and the communication path between extension telephones when an extension call is received from a telephone connected to an extension line. A main device that sends out a ringing tone signal when an extension is called, etc. via a signal line, a connection means that connects a terminal such as a telephone to the extension from the main device, and a signal line from the main device. and a speaker which is connected to a telephone outlet and which broadcasts a ringing tone signal with a tone according to the type of call, and a telephone outlet which is configured at least as shown in FIG. In the telephone device that sends signals to the telephone outlet via the above speaker and makes an announcement from the speaker, specify the extension number set corresponding to the telephone outlet to which a terminal device that automatically responds to an incoming call signal such as a facsimile is connected by the above connection means, and When there is an extension call to a specific extension number, an AC signal similar to an outside line incoming signal is superimposed and sent from the main device to the extension corresponding to the specific extension number.

[Function] When a call is made other than when a call is made from an outside line, a ring tone signal is sent from the main device to the telephone outlet via the signal line and is announced from the speaker. In addition, when calling an extension number that corresponds to the telephone outlet to which a terminal that automatically responds to incoming external line signals such as facsimiles is connected, an AC signal similar to the incoming external line signal will be sent to the above specific extension number. The main unit sends a superimposed message to the extension number, and activates an automatic answering terminal connected to the telephone outlet corresponding to the extension number.

[Example] The present invention will be explained below with reference to Examples.

FIG. 1 shows a circuit configuration of a main device 1 according to an embodiment of the present invention,
FIG. 2 shows the configuration of the entire system using this embodiment. In this embodiment, a specific telephone outlet 2a is provided for connecting a terminal device such as a facsimile A that automatically responds to an incoming external line signal. The extension 3a connected to the outlet 2a is a calculation control port! Switching contact r1 of relay R3/ controlled by i'811 connects the call control circuit 13 to a transmitting circuit 14 that generates a 16 Hz AC signal corresponding to an incoming outside line signal. .

FIG. 3 shows a concrete circuit of the oscillator circuit 14, in which a 16 Hz signal from the oscillator 14a is voltage amplified by a transistor Q to obtain a signal of 210 cm, and further amplified by a transistor Q2.
Current is amplified by an emitter follower circuit consisting of Q, and this 210 V TP-PI square wave (corresponding to 75 V AC) alternating current signal is sent to the switching contacts of relays R and y!
-4, and is superimposed on the two lines TI and T2 of extension 3a.

Now, if an incoming call signal corresponding to the facsimile 7a is received from the outside line 5, each extension line 3 is first connected to the outside line 5 by the call charge control circuit 13, and then connected to each telephone outlet 2 by the ringing signal. Phone number 7 rings. When the handset of any telephone 7 is picked up by this ringing, the line is closed. If the person who picks up the handset determines that it is a facsimile signal based on the signal heard from the handset, the telephone outlet 2a to which the facsimile machine 7a is connected
The call will be transferred to a specific extension 3a.

In other words, from telephone 7, which picked up the handset, to extension 3a.
The extension call is made by calling the extension number corresponding to the number. When the arithmetic control circuit 11 receives a dial signal for a specific extension number through the call control circuit 13, the arithmetic control circuit 11 sends a ringing tone signal corresponding to the buzzer to the specific extension through the ringing tone output path 12 in the same way as when calling an ordinary extension. Send it to the telephone outlet 2a through the signal line 4a corresponding to 3a,
A buzzer sound is emitted from the speaker 8 provided in the telephone outlet 2a, and at the same time, the relays R and y are connected to the transistor Q.

to invert the switching contact r from the B contact to the A contact, and connect the transmitting circuit 14 to the extension line 3a through the switching contact r, and generate an alternating current of 1.6 Hz consisting of a square wave of 210 V +p-p+. The signal is superimposed on the extension 3a.

Therefore, the facsimile 7a connected to the extension 3a through the telephone outlet 2a corresponds to the incoming external line signal.
It will automatically respond after a certain period of time after receiving 6 Hz.

After that, when the handset is returned to the telephone 7 from which the handset was picked up, the arithmetic control circuit 11 detects this on-hook through the call control circuit 13, and the relay R,
y is returned to its original state and its switching contact r1 is returned to the b contact side, and the extension line 3a is connected to the outside line 5 through the call control circuit 13, and the facsimile transmission signal from the outside line 5 is received at the facsimile 7a. .

[Effects of the Invention] According to the present invention, when a call is made other than when a call is made from an outside line, a ring tone signal is sent from the main device to the telephone outlet via the signal line and is announced from the speaker, so that the distinguishability of the ring tone is improved. It can have the same functions as before, but also automatically responds to incoming external calls such as facsimiles.It specifies the extension number set for the telephone outlet to which the terminal is connected, and calls the extension to this specific extension number. , the main device superimposes and sends out an AC signal similar to an incoming outside line signal to the extension corresponding to the above-mentioned specific extension number, so when a specific extension number is called, the telephone connected to the telephone outlet corresponding to the extension number is This has the advantage that an automatic response terminal can be activated, and therefore an automatic response terminal such as a facsimile machine can be connected.

[Brief explanation of the drawing]

FIG. 1 is a circuit diagram of the main device according to an embodiment of the present invention, and FIG.
The figure shows the overall configuration of the system using the same as above, Figure 3 shows the transmitting circuit used in the same, Figure 4 shows the circuit configuration of the main device of the conventional example, and Figure 5 shows the circuit configuration of the telephone outlet used in the above. It is a diagram. 1 is the main device, 2 and 2a are telephone outlets, 3゜3a is an extension line, 4 and 4a are signal lines, 5 is an outside line, 6 is a modular jack, 7 is a telephone, 7a is a facsimile, 8 is a speaker, and 11 is a calculation 12 is a ringing tone sending circuit, 13 is a call control circuit,] 4 is a transmitting circuit, Ry is a relay, and rl is a switching contact. Agent Patent Attorney Ishi 1) Choshichi

Claims (1)

[Claims] (1) When an incoming call is received from an external line, a communication path is established between the telephone connected to the extension and the external line, and when a telephone connected to the extension is called, a communication path is formed between the extension telephones, and an extension call, etc. A main device that sends a ring tone signal via a signal line, a connection means that connects a terminal such as a telephone to an extension from the main device, and a device that is connected to the signal line from the main device and that corresponds to the type of call. and a telephone outlet comprising at least a speaker that broadcasts a ring tone signal of a different tone, and when a call is made other than when a call is made from an outside line, the ring tone signal is sent from the main device to the telephone outlet via a signal line. In the telephone device that makes a notification from the speaker, the extension number corresponding to the telephone outlet to which the terminal device that automatically responds to an incoming call signal such as a facsimile is connected by the connection means is specified, and when there is an extension call to this specific extension number, A telephone device characterized in that an alternating current signal similar to an incoming outside line signal is superimposed and sent from the main device to an extension corresponding to the specific extension number.