JP2000224297A - Multi-terminal telephone set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a multi-terminal telephone set that can be connected to two telephone set terminals and by which a speech can be made between the telephone set terminals. SOLUTION: The multi-terminal telephone set has two systems of AF signal processing circuits 1, two systems of transmission sections (A)2, (B)4, and two systems of reception sections (A)3, (B)5. When a plurality of the multi-terminal telephone sets are in use, even when one of the multi-terminal telephone sets is busy, a speech can be made between the other multi-terminal telephone sets and even when two telephone lines are provided, one set of the multi-terminal telephone set can make a speech for the two lines at the same time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-terminal telephone characterized by a connection between a plurality of cordless telephones.

[0002]

2. Description of the Related Art A conventional cordless telephone has one master unit and one of a plurality of slave units connected thereto.
It is possible to talk between the slave units.

Hereinafter, a conventional cordless telephone compatible with a multi-child device will be described with reference to the drawings.

FIG. 2 is a configuration diagram of a conventional cordless telephone compatible with a multi-child device. As shown, the cordless base unit 100 connected to the telephone line can be connected to only one of the cordless handset (1) to the cordless handset (4) indicated by reference numerals 200 to 300 and can communicate. Note that a call can be made between the parent device and the child device by the intercom function, but a call cannot be made between the child devices (1) to (4).

FIG. 3 shows a configuration of a conventional cordless telephone compatible with a multi-child device. In the cordless parent device 100 shown in the figure, the AF circuit 101 performs an operation of transmitting an input / output signal from a telephone line to a transmission unit 102 for transmitting the input / output signal to the cordless child device (1) 200. Also, the operation of transmitting the signal transmitted from the cordless handset (1) 200 to the telephone line from the receiving unit 103 is performed. On the other hand, in cordless child device (1) 200, signal transmitted from cordless parent device 100 is received by receiving section 204, and AF circuit 206
The operation of transmitting a signal to the receiver 207 via the.
Further, the signal from the transmitter 208 operates to transmit the signal from the transmission unit 205 via the AF circuit 206.

[0006]

However, in the configuration of the above-mentioned conventional cordless telephone compatible with a multiple cordless handset, the cordless base unit is connected to only one cordless cordless handset, and thus functions as a single telephone. Only
In addition, there is a problem that it is not possible to make a call between the multiple child devices even though the multiple child devices are used.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, an object of the present invention is to provide a multi-terminal telephone which can be connected to two telephone terminals at the same time and can make a call between the telephone terminals.

[0008]

According to the present invention, in order to achieve the above object, a telephone terminal having a transmitting unit and a receiving unit of two systems is provided.

According to the present invention, a multi-terminal telephone can be connected to two telephone terminals at the same time and a telephone call can be made between the telephone terminals.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is a multi-terminal telephone comprising a telephone terminal having a transmitting / receiving function which can be connected to a plurality of cordless telephones and a plurality of telephone terminals which can be connected thereto. Yes, it has the effect of being able to talk to a plurality of telephone terminal partners.

According to a second aspect of the present invention, in the multi-terminal telephone set according to the first aspect, the telephone terminal having a transmission / reception function capable of connecting to a plurality of cordless telephones is provided.
A telephone call or a telephone terminal of the telephone terminal can be made by a speakerphone function, and has an intercom function.

According to a third aspect of the present invention, in the multi-terminal telephone set of the first or second aspect, the telephone terminal having a transmission / reception function capable of connecting to a plurality of cordless telephones has a transmission / reception function with a receiver. And has a function of making a call with a telephone terminal having a transmission / reception function with a receiver.

According to a fourth aspect of the present invention, there is provided the multi-terminal telephone set according to any one of the first to third aspects, wherein the telephone terminal having a transmission / reception function capable of connecting to a plurality of cordless telephones comprises: It is designed so that two different cordless telephones can be connected at the same time by the line of the line, and has the effect of enabling simultaneous telephone conversation.

According to a fifth aspect of the present invention, there is provided a multi-terminal telephone set according to any one of the first to fourth aspects, wherein the telephone terminal having a transmission / reception function capable of connecting to a plurality of cordless telephones includes A telephone can be communicated between telephone terminals having a connectable transmission / reception function, and has an intercom or intercom function.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1) FIG. 1 is a configuration diagram of a multi-terminal telephone according to Embodiment 1 of the present invention.

As shown in FIG. 1, a multi-terminal telephone (1) includes two AF signal processing circuits (A) and (B)
, A transmitting unit (A) 2, a receiving unit (A) 3, a transmitting unit (B) 4, and a receiving unit (B) 5.

The multi-terminal telephone set (2) includes a receiving section (A)
6, a transmission unit (A) 7, a reception unit (B) 25, a transmission unit (B) 26, and two AF signal processing circuits (A) and (B)
8, a receiver 9, and a transmitter 10.

The multi-terminal telephone set (3) includes a receiving section (A)
11, a transmission unit (A) 12, a reception unit (B) 13, a transmission unit (B) 14, and two AF signal processing circuits (A)
(B) 15, receiver 16 and transmitter 17.

The multi-terminal telephone (4) has two AF systems.
A signal processing circuit (A) (B) 18, a transmitter 19, a receiver 20, a transmitter (A) 23, a receiver (A) 24,
It comprises a transmitting section (B) 21 and a receiving section (B) 22.

The operation of the multi-terminal telephone configured as described above will be described below.

The signal on the line (A) connected to the multi-terminal telephone set (1) is processed by the AF circuits (A) of the two AF signal processing circuits 1 and transmitted from the transmission section (A) 2.
The signal is received by the receiving section (A) 6 of the multi-terminal telephone set (2), processed by the AF circuits (A) of the two AF signal processing circuits 8, and can be heard by the receiver 9 as voice. The audio signal from the transmitter 10 is processed by the AF circuits (A) of the two AF signal processing circuits 8 and transmitted from the transmission unit (A) 7. The signal is received by the receiving section (A) 3 of the multi-terminal telephone set (1), processed by the AF circuits (A) of the two AF signal processing circuits 1, and transmitted to the line (A). Therefore, it is possible to talk with the multi-terminal telephone (2) via the line (A).

Similarly, the signal of the line (A) connected to the multi-terminal telephone (1) is processed by the AF circuits (B) of the two AF signal processing circuits 1 and transmitted from the transmission unit (B) 4. You. The signal is received by the receiving section (A) 11 of the multi-terminal telephone set (3), processed by the AF circuits (A) of the two AF signal processing circuits 15, and can be heard by the receiver 16 as voice. The audio signal from the transmitter 17 is processed by the AF circuits (A) of the two AF signal processing circuits 15 and transmitted from the transmission unit (A) 12.

The signal is received by the receiving section (B) 4 of the multi-terminal telephone set (1), processed by the AF circuits (B) of the two AF signal processing circuits 1, and transmitted to the line (B). Therefore, it is possible to talk on the line (B) with the multi-terminal telephone (3).

The multi-terminal telephone (2) and the multi-terminal telephone (3) simultaneously using the line (A) and the line (B).
You can talk separately with.

Further, A in the multi-terminal telephone (3)
The signals of the F circuit (A) are processed by the AF circuits (B) of the two systems of AF signal processing circuits 15 of the multi-terminal telephone set (3), so that the receiving section (B) 13 and the transmitting section (B) 14
And a two-system AF signal processing circuit 18 via a transmission unit (B) 21 and a reception unit (B) 22 of the multi-terminal telephone (4).
Are processed by the AF circuit (B), and the transmitter 19 and the receiver 2
0 means that it is possible to talk to the multi-terminal telephone (4).

Further, even when the line is not used, the receiving section (B) 13 and the transmitting section (B) 14 of the multi-terminal telephone set (3) and the receiving section (B) 2 of the multi-terminal telephone set (4).
2. A multi-terminal telephone (3) and a multi-terminal telephone (4) can communicate between terminals via the transmission unit (B) 21.

As described above, according to the present embodiment, two-line simultaneous communication and communication between terminals are possible.

[0029]

As is apparent from the above description, the multi-terminal telephone according to the present invention has a transmitting unit, a receiving unit,
Since each of the AF circuits has a configuration of two systems, it can be said that simultaneous communication of up to two lines and communication between a plurality of terminals are possible. Also, dialing is possible from any terminal. In addition, all terminals can be simultaneously called or a specific terminal can be called, and the effect is large.
Each terminal corresponds to a DSP-type speaker phone, a corded handset, or a cordless handset.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a multi-terminal telephone according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram of a conventional cordless telephone supporting a multi-child device.

FIG. 3 is a configuration diagram of a parent device and a child device in the multi-child device cordless telephone.

[Explanation of symbols]

 Reference Signs List 1 AF signal processing circuit of two systems 2 Transmitter (A) 3 Receiver (A) 4 Transmitter (B) 5 Receiver (B) 6 Receiver (A) 7 Transmitter (A) 8 AF signal processing circuit 9 Receiver 10 Transmitter 11 Receiver (A) 12 Transmitter (A) 13 Receiver (B) 14 Transmitter (B) 15 Two-system AF signal processing circuit 16 Receiver 17 Transmitter 18 Two-system AF signal processing Circuit 19 Transmitter 20 Receiver 21 Receiver (B) 22 Transmitter (B) 23 Receiver (A) 24 Transmitter (A) 25 Receiver (B) 26 Transmitter (B)

Claims (5)

[Claims] 1. A multi-terminal telephone comprising: a telephone terminal having a transmission / reception function that can be connected to a plurality of cordless telephones; and a plurality of telephone terminals that can be connected to the telephone terminal. 2. The multi-terminal telephone set according to claim 1, wherein the telephone terminal having a transmission / reception function that can be connected to a plurality of cordless telephone sets can make a telephone call or a telephone set of the telephone terminal with a speakerphone function. 3. A telephone terminal having a transmission / reception function that can be connected to a plurality of cordless telephones can be connected to a telephone terminal having a transmission / reception function with a handset.
Alternatively, the multi-terminal telephone according to claim 2. 4. The telephone terminal according to claim 1, wherein the telephone terminal having a transmission / reception function capable of connecting to a plurality of cordless telephones can be simultaneously connected to two separate cordless telephones through two lines. Multi-terminal phone. 5. A multi-terminal according to claim 1, wherein said telephone terminal having a transmitting / receiving function which can be connected to a plurality of cordless telephones can communicate between telephone terminals having a transmitting / receiving function which can be connected thereto. Phone.