JPH0260342A - Telephone system - Google Patents

Abstract

PURPOSE:To surely and easily grasp a line condition with everybody by reproducing and ringing a message by a voice synthesizing signal and displaying the line condition with a displaying means provided at a telephone socket. CONSTITUTION:A main control circuit 15 decides the incoming call with an incoming call detecting part 13, a line wire 2 and an extension 5 are connected to a call switching circuit 16 and the bell of a general telephone set 111 is operated. Simultaneously, in a telephone socket 9, a voltage level detecting circuit is operated, a displaying element LRD1 lights up and it is displayed that the line wire is during the call. Here, when the handset of the telephone set 111 is hooked off, the offhook is detected by the circuit 15 and the circuit 15 decides that the call condition is obtained for the line wire 2. At the time of the condition, when the handset of a general telephone set 112 of the non-call condition is hooked off, the circuit 15 detects the offhook, the circuit 16 is operated and the message from a voice synthesizing circuit 17 to show the line condition is sent to a receiver part.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a telephone device.

[Prior Art] In this conventional telephone device, when displaying the line status, the line status is displayed using a display means provided in the telephone outlet, or a dial tone is emitted by a handset connected to the telephone outlet. .

[Problems to be Solved by the Invention] However, in the conventional example described above, it is difficult for first-time users to know the line status unless they know the display status and the meaning of the dial tone in advance. There is a problem in that the line status cannot be determined.

Is the present invention developed in view of the above-mentioned problems? , ), and an object of the present invention is to provide a telephone device that allows a user to reliably grasp the line status.

[Means for Solving the Problems] The present invention connects at least an outside line or an extension line from a telephone office, and connects the outside line and the extension line or connects the extension lines in response to a state detection such as an incoming call from the outside line or an extension call. a main device comprising a call switching means for controlling the connection of the telephone and a means for transmitting a signal indicating the line status to the outside through the control line; A telephone outlet equipped with a display means for receiving a signal indicating the line status from the main device and displaying the status, and a telephone outlet 1
In a telephone device consisting of a general telephone set detachably connected to a telephone connection part of ~, a signal indicating the line status sent from the main unit is combined with a voice synthesis signal consisting of a message indicating the line status and a second telephone outlet. A voltage signal is generated to control the display means of the telephone, and the message based on the voice synthesized signal is reproduced and emitted from the handset of the general telephone, and the line status is displayed by the display means provided at the telephone outlet based on the distribution voltage signal. It is something that makes you

[Operation] The main device of the present invention creates a message according to the line status using a voice synthesis signal and transmits it to the telephone outlet via the extension line. At the same time, it creates a voltage signal depending on the line status and sends it to the telephone outlet via the control line.

When the handset of a connected general telephone is picked up from a telephone outlet, a message is reproduced and emitted by the handset to transmit the line status. - The line status is displayed by driving the display means installed in the telephone outlet using the voltage signal.

In this way, the user can grasp the line status from the message displayed on the display means and the message reproduced by the handset cell I.

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

FIG. 1 shows an overall configuration diagram of a system using the device of the present invention, in which a main device 1 is connected with an outside line 2 from a telephone office via a protector 8 and a protector 7, and a doorbond switch. A communication line 4 from the equipment 3 is connected thereto, and an internal line consisting of an extension line 5 and a control line 6 is further connected thereto.

9 is connected to each internal telephone outlet 1, and each telephone outlet 9 is provided with a modular jack 10 connected to the extension 5. The plug 12 is detachably connected.

Further, on the surface of the telephone outlet 9, there is a display element 1, which is a display means for displaying the line status. , El),, LED2 is provided.

FIG. 2 shows a circuit block of the main device 1, including an incoming call detection section 13 that detects an incoming outside line call, a hold circuit 14 that puts the outside line 2 on hold, and a voice that creates a message indicating the line status by voice synthesis. Composite signal] 7, - voice amplification circuit that amplifies call signals such as simultaneous broadcasting, calls from extension 5, and doorbell calls] and the line status of call line/1 of doorbell slave unit 3 and extension 5 can be visualized. A display control circuit 18 that creates a voltage signal for display, and a call switching circuit 16 that switches connections between the outside line 2 and the extension 5, the extension 5 and the extension 5, and the communication line 4 and the extension 5 of the 1 hairpon extension device 3. , each of the above circuits 13
14. It is composed of a main control circuit 15 for controlling 16 to 19, and a power supply circuit 20 for supplying power to each circuit 13 to one.

FIG. 3 shows a circuit diagram of the telephone outlet 9, in which an extension line 5 is connected to the modular shack 10, and a voice generating circuit 22 is connected to the control line 6 for making a call by broadcasting.
A voltage level circuit 21 is provided which controls the display element LED2 for the external line busy state and the internal line busy state display element LED2 by a voltage signal superimposed on the control line 6.

The audio generating circuit 22 connects a variable resistor VR between two control lines 6.
It is constructed by connecting a series circuit of a speaker SP and a DC cut capacitor C8.

FIG. 4 shows an external front view of the telephone outlet 9.
In the embodiment, a terminal part (not shown) for connecting an extension line 5 and a control line 6 is provided on the back side of a case body 24 that is integrally provided with a frame 27, which accommodates three ready-made wiring devices corresponding to the module dimensions. A modular jack 10 with a lid A-1 and an operation knob 25 for a variable resistor VR are placed on the surface, and a sound output hole 26 for a speaker SP is opened.

FIG. 5 shows a call switching circuit 6, and the call switching circuit 16 is composed of a cross point switch circuit.

Next, the operation of the embodiment will be explained.

Now, for example, when an incoming call signal arrives from the outside line 2, the main control circuit 15 determines the incoming call based on the incoming call detection signal from the incoming call detection section 13, and based on this determination, the call is switched!
? 81-6 to connect outside M1.2 and extension 5, and connect the outside line to telephone outlet L-9.
This is done by ringing the general telephone 11□, which is connected to the extension 5 via the telephone line 5.

At the same time, the display control circuit 18 is operated to indicate that an outside line call is in progress, and the voltage applied to the control line 6 is applied to the display element LED 1.
Set the voltage to light up.

Therefore, in each telephone outlet 1 to 9, the voltage level detection circuit 2
1 is activated and the display element L ED lights up to indicate that an outside line call is in progress.

When the handset of the general telephone 111 is picked up, the main control circuit 15 detects this off-hook, and based on this detection, the main control circuit 15 indicates that the telephone line 2 is in a talking state. judge.

In this state, the general telephone 11, which is in a non-calling state,...
When the handset is lifted up, the main control circuit 5 detects this off-hook, operates the call switching circuit 16, and synthesizes the message from the voice synthesis signal 17 indicating the line status of the handset. send out a signal.

The above operation will be explained using the time chart shown in FIG. 6. When the outside line 2 is idle, the general telephone 11. As shown in FIG. 6(b), when the handset (or handset) is raised at time t1, a voice message saying ``I can't make an outside line call'' is reproduced from the handset of the general telephone 11, and
At time t2, an outside line communication state is entered as shown in FIG. 6(a). In this state, the general telephone 11. When the handset is turned on at time t3 as shown in Fig. 6(c),
General telephone 11. From Hen 1-Set, a voice message saying ``Outside phone call is in progress'' is sent out. Of course, such voice message transmission is performed during an extension call or a call with the doorbell slave device 3.

The above-mentioned processing is performed by voice message control in the entire control program of the main device 1 of the telephone device of the present invention shown in FIG.

FIG. 8 is a flowchart of the voice message control described above.

The initialization in FIG. 7 includes initialization of the I and /'O memories provided in the main control circuit li+815, interrupt operations,
There is a routine that initializes the built-in timer, and the input processing is the on-footer and off-hook detection processing of the handset of the general telephone 111, making external calls, internal calls, and holding operations. This is a routine that performs manual dial processing and also calls processing from a door intercom slave unit.

In addition, output processing includes connection processing such as connection between extension 5 and outside line 2, connection between extensions 5, and connection between call line 4 and extension 5 of door intercom slave unit 3, notification sound control, and telephone outlet 1 to (9).
This is an output routine consisting of display control, voice and message control.

[Effects of the Invention] The present invention provides a telephone device configured as described in ``U''.
] 2. A signal indicating the line status sent from the main device is formed from a voice synthesized signal consisting of a message indicating the line status and a voltage signal for controlling the display means of the telephone outlet (E), and the message based on the voice synthesized signal is is reproduced and emitted from the handset of a regular telephone, and the line status is displayed on the display means installed in the telephone outlet based on the distribution voltage signal, so anyone can easily and reliably grasp the line status. There is an effect that

[Brief explanation of the drawing]

Fig. 1 is an overall configuration diagram of an embodiment of the present invention, Fig. 2 is a circuit diagram of the main device of the same, Fig. 3 is a circuit diagram of the telephone outlet 1-2 of the above, and Fig. 4 is a circuit diagram of the telephone outlet 1-2 of the same. J) Front view, Figure 5 is a circuit diagram centered on the call switching circuit between the two, Figure 6 is a time chart for explaining the operation of the same, Figure 7 is a diagram explaining the program of the main equipment of the FIG. 8 is a flowchart of voice message control as described above. ] is the main device, 2 is an outside line, 5 is an extension line, 6 is a control line, 9 is a telephone outlet, ] 11 is a general telephone, 17 is a voice synthesis circuit, 18 is a display control circuit, 21 is a voltage level detection circuit, LED, , LED2 is a display element. Agent Patent Attorney Ishi 1) Chief Figure 7 4

Claims (1)

[Claims] (1) Connect at least an outside line or extension line from the telephone office,
Equipped with a call switching means for controlling connection between an outside line and an extension line or between extension lines in response to detection of a state such as an incoming call from an outside line or an extension call, and a means for sending a signal indicating the line status to the outside through a control line. A main device, a telephone connection part connected to the extension, a telephone outlet connected to the extension and having display means for receiving a signal indicating the line status from the main device and displaying the status, and a telephone of the telephone outlet. In a telephone device comprising a general telephone set detachably connected to a connecting part, a signal indicating a line status sent from the main unit is combined with a voice synthesis signal consisting of a message indicating the line status and a display means of the telephone outlet is controlled. and a voltage signal, and reproduces and issues a message based on the voice synthesized signal from a handset of a general telephone, and displays the line status on a display means provided in a telephone outlet based on the voltage signal. Device.