JPH06338928A - Terminal box connecting wireless intercom - Google Patents

Abstract

PURPOSE:To provide a terminal box connecting an intercom which does not need the construction of laying a cable at the time of connecting a cordless telephone set and the intercom to speak between both of them. CONSTITUTION:The terminal box connecting the intercom attains speech between the cordless telephone set and the intercom 52 by being connected with the master set of the cordless telephone set 50. The terminal box connecting the intercom is separated into a terminal box 11 connecting the intercom for the intercom, which is connected to the intercom 52 to transfer a control signal and a speech signal with the intercom 52 and a terminal box 10 connecting the intercom for the master telephone set, which is connected to the master set of the cordless telephone set 50 to transfer the control signal and the speech signal with the master set of the cordless telephone set 50. Then, the control signal and the speech signal are transferred by radio between the two terminal boxes 10 and 11 connecting the intercom.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of an intercom connection terminal box for enabling a call between a cordless telephone and an intercom.

[0002]

2. Description of the Related Art FIG. 3 is a diagram showing a system configuration example of a conventional cordless telephone capable of communicating with an intercom. The intercom connection terminal box 51 has a built-in communication circuit (not shown) for each of the cordless phone master unit 50 and the doorphone 52. The cordless phone master unit 50 is a four-wire cable and the doorphone 52 is a two-wire cable. Each is connected. Then, the cordless telephone base unit 50 and the intercom 5
2 transmits and receives control signals and call signals via the intercom connection terminal box 51, and the intercom 52
It becomes possible to talk between the cordless telephone master unit 50 and the intercom 52 and the cordless slave unit 53.

[0003]

However, since the cordless telephone base unit 50 and the intercom 52 must be connected by wire via the intercom connection terminal box 51, the cordless telephone base unit 50 and the intercom 52 are particularly connected.
If the distance from the cable was large, it took a lot of time to lay the cable.

The present invention has been made in view of the above circumstances, and in connecting a cordless telephone and an intercom and enabling a call between the two, an intercom connection terminal box that does not require cable laying work is provided. The purpose is to provide.

[0005]

A wireless intercom connection terminal box according to the present invention, which is proposed to achieve the above object, has a cordless telephone and an intercom by connecting to a cordless telephone master unit. A doorphone connection terminal box capable of making a phone call, which is connected to the doorphone and is connected to the doorphone doorphone connection terminal box for exchanging control signals and call signals with the doorphone, and is connected to the cordless telephone master unit, and It is divided into a cordless telephone master unit and an intercom connection terminal box for a master telephone that exchanges control signals and call signals, and wirelessly transmits and receives control signals and call signals between the two intercom connection terminal boxes. It is composed.

A wireless intercom connection terminal box according to a second aspect is a doorphone connection terminal box for enabling a call between a cordless telephone having a plurality of radio transmitter / receivers and an intercom, which is connected to the intercom. A control signal and a call signal are exchanged with the intercom and the control signal and the call signal are wirelessly transmitted and received by using one of a plurality of radio transceivers of the cordless telephone.

[0007]

In the wireless intercom connection terminal box according to the present invention as set forth in claim 1, an intercom doorphone connection terminal box connected to the intercom and exchanging control signals and call signals with the intercom,
It is connected to the cordless telephone master unit and is divided into an intercom connection terminal box for the master telephone that exchanges control signals and call signals with this cordless telephone master unit, and the space between the two intercom connection terminal boxes is wirelessly connected. Since the control signal and the call signal are transmitted and received, the cable laying work for connecting the cordless telephone base unit and the doorphone is unnecessary.

In the wireless intercom connection terminal box according to the second aspect of the invention, the terminal box is connected to an intercom, exchanges control signals and call signals with the intercom, and uses one of a plurality of radio transmitter / receivers of the cordless telephone. Since the control signal and the call signal are transmitted and received wirelessly, the cable laying work for connecting the cordless phone base unit and the doorphone is unnecessary, and the connection work for the doorphone connection terminal box on the cordless phone base unit side is also unnecessary. It becomes unnecessary.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a diagram showing a system configuration example of a cordless telephone using the wireless intercom connection terminal box according to the present invention as set forth in claim 1. In the figure, reference numeral 10 is a cordless telephone base unit 5 which incorporates a communication circuit and a wireless transmission / reception unit of the cordless telephone base unit 50.
0 is a terminal box for a parent phone connected by a 4-wire cable, 11 is a built-in communication circuit and a wireless transmission / reception unit of the doorphone 52, and a doorphone connection terminal box for a doorphone connected by a 2-wire cable with the doorphone 52, 53
Is a cordless cordless handset.

In the cordless telephone system having such a configuration, control signals and call signals are exchanged between the doorphone 52 and the doorphone doorphone connection terminal box 11, and the cordless telephone master unit 50 and the parent telephone doorphone connection terminal box 10 are exchanged. Exchanges control signals and call signals. Then, the intercom connection terminal box 11 for the intercom and the intercom connection terminal box 10 for the master telephone wirelessly transmit and receive the control signal and the call signal via the respective radio transceivers, and the intercom 52 and the cordless telephone master unit. The intercom communication can be performed between 50 or between the intercom 52 and the cordless cordless handset 53.

FIG. 2 shows a wireless intercom connection terminal box according to the present invention as defined in claim 2,
It is the figure which showed the system configuration example of the cordless telephone.
The same parts as those in the embodiment of claim 1 described above are designated by the same reference numerals and the description thereof will be omitted. In the figure, 12 is a cordless telephone base unit having a plurality of wireless transmission / reception units 13 and 14, and 15
Is a wireless intercom connection terminal box that is connected to the intercom 52 and has a built-in wireless transmission / reception unit for performing wireless transmission / reception with any of the wireless transmission / reception units 13 and 14 of the cordless telephone base unit 12.

In the cordless telephone system having such a configuration, normally, the cordless telephone base unit 12 uses the two wireless transmission / reception units 13 and 14 for the outside call and the extension call of the cordless handset. Doorphone 52 and wireless doorphone connection terminal box 1
5 exchanges control signals and call signals. Then, the wireless intercom connection terminal box 15
Between the cordless telephone master unit 12 and a wireless transceiver unit built into the wireless intercom connection terminal box 15 or the wireless transceiver units 13 and 14 of the cordless telephone master unit 12, wirelessly control signals and call signals. To send and receive, the doorphone 52 and the cordless telephone base unit 12
The intercom communication can be performed between the intercom 52 or the cordless cordless handset 53.

[0013]

According to the wireless intercom connection terminal box of the present invention as set forth in claim 1, the intercom doorphone connection terminal box which is connected to the intercom and exchanges control signals and call signals with the intercom and a cordless telephone parent. It is connected to a cordless telephone and is divided into a cordless telephone master unit and a door phone connection terminal box for a master telephone that exchanges control signals and call signals. Between these two door phone connection terminal boxes, control signals and calls are wirelessly transmitted. Since signals are transmitted and received, cable laying work for connecting the cordless telephone base unit and the doorphone is unnecessary.

According to the wireless intercom connection terminal box of the second aspect of the present invention, the terminal box is connected to an intercom, exchanges control signals and call signals with the intercom, and connects one of a plurality of wireless transceivers of the cordless telephone. Since the control signal and the call signal are transmitted and received wirelessly by using the cable, the work of laying a cable to connect the cordless phone base unit and the doorphone is unnecessary, and the connection work with the doorphone connection terminal box of the cordless phone base unit Becomes unnecessary.

Further, as a common effect of the wireless intercom connection terminal box described in claims 1 and 2, the intercom that has been used conventionally can be easily replaced, and it is not necessary to change the entire system. Further, since the doorphone and the cordless telephone are not connected by wire, it is not necessary to take measures against lightning surge from the telephone line such as insulation.

[Brief description of drawings]

FIG. 1 is a diagram showing a system configuration example of a cordless telephone using the wireless intercom connection terminal box according to the present invention as set forth in claim 1;

FIG. 2 is a diagram showing a system configuration example of a cordless telephone using the wireless intercom connection terminal box according to the present invention as defined in claim 2;

FIG. 3 is a diagram showing a system configuration example of a conventional cordless telephone that can communicate with an intercom.

[Explanation of symbols]

 10 ... Door phone connection terminal box for master phone 11 ... Door phone connection terminal box for door phone 12,50 ... Cordless phone master unit 13, 14 ... Wireless transceiver 15 ... Wireless door phone connection terminal box 52・ ・ ・ Doorphone 53 ・ ・ ・ Cordless cordless handset

Claims (2)

[Claims] 1. A doorphone connection terminal box which enables a call between a cordless telephone and an intercom by connecting to a cordless telephone base unit, wherein the intercom connection terminal box is connected to the intercom and A doorphone connection terminal box for doorphones that exchanges control signals and call signals,
It is connected to a cordless telephone master unit and divided into an intercom connection terminal box for the master telephone that exchanges control signals and call signals with the above cordless telephone master unit, and wirelessly controls between these two intercom connection terminal boxes. A wireless intercom connection terminal box characterized by transmitting and receiving signals and call signals. 2. An intercom connection terminal box for enabling a call between a cordless telephone having a plurality of wireless transceivers and an intercom, which is connected to the intercom and exchanges control signals and call signals with the intercom. A wireless intercom connection terminal box, characterized in that the control signal and the call signal are transmitted and received wirelessly by using one of a plurality of wireless transmission and reception units of the cordless telephone.