JPH0697993A - Cordless telephone system - Google Patents

Abstract

PURPOSE:To provide a cordless telephone system capable of connecting a conventional cable telephone set to a slave unit side. CONSTITUTION:The conventional cable telephone set is made connectable to the slave unit side by providing a calling signal generation circuit 1-1 for cable telephone set incoming call ringing, a dial pulse/hook-ON/OFF detector 1-2, a current supplying circuit 1-3 for making a current flow through the cable telephone set 2, a DTMF (dial tone) reception circuit 1-4, a two-wire/four-wire conversion circuit 1-5 and a modular jack 1-15 for connecting with the cable telephone set on the side of the conventional slave unit. Also, the slave unit is contained in a case body (AC adapter type) provided with a plug connectable to a power supply outlet for household, power supply for the household is used for driving power supply and the conventional cable telephone set is connected to the case body and is made usable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless communication medium.
The present invention relates to a cordless telephone device that enables a conventional wired telephone to be connected to and used on the slave side of a dress telephone.

[0002]

2. Description of the Related Art In a conventional cordless telephone, a cordless handset has a power source and a wireless communication function, and the cordless handset itself has a function as a telephone. Therefore, the cordless handset can be easily carried and used conveniently. There is. Further, as shown in FIG. 5, the conventional cordless telephone is provided with a modular jack for connecting a wired telephone on the base unit side so that the conventional wired telephone can be connected and used.

[0003]

However, since the cordless telephone handset is downsized, it is not convenient for an unfamiliar person. Therefore, when using the conventional wired telephone which one is used to, the conventional cordless telephone described above has no choice but to connect to the master unit. In this case, the wired telephone is placed near the place where the base unit is installed, and there is a problem that it cannot be used conveniently like the handset.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a cordless telephone device which eliminates the above-mentioned problems and can connect a wired telephone to the slave unit side.

[0005]

In order to solve the above-mentioned problems, the invention of claim 1 of the present application is, as shown in FIG. 1, a call signal generating circuit 1-1 for dialing an incoming call to a wired telephone and a dial to a conventional handset. Pulse / hook ON / OFF detector 1-2, current supply circuit 1-3 for supplying current to the wire telephone 2, DT
An MF (dial tone) receiving circuit 1-4, a two-wire to four-wire converting circuit 1-5, and a modular jack 1-15 for connecting to a wired telephone are provided, and a conventional wired telephone can be connected to the slave side. It is characterized by having done.

Further, according to a second aspect of the present invention, the slave unit described above is housed in a housing (AC adapter type) having a plug connectable to a household power outlet as shown in FIG. It is characterized by using a household power supply and connecting a conventional wired telephone to this case.

[0007]

According to the present invention, the invention of claim 1 allows the conventional wire telephone to be used freely without being restricted within the range in which the radio wave can reach from the master unit. Further, the invention of claim 2 can be used within the range of a household power outlet to which radio waves can reach, and the conventional wired telephone can be used as a cordless telephone.

[0008]

[Embodiment 1] An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a block diagram showing a configuration example 1 of a slave unit of a cordless telephone device of the present invention. As shown in the figure, in this device, the cordless handset 1 and the wired telephone 2 are modular.
The structure is such that they are connected by jacks 1-15. Cordless handset 1
Is the call generation circuit 1-1, dial pulse / hook ON /
OFF detector 1-2, current supply circuit 1-3, 2-wire / 4-wire switching circuit 1-5, control unit 1-6, push button 1-7, call bell 1-8, transmission unit 1-9, transmission Device 1-10, receiver 1-
11, receiver 1-12, transmission / reception separator 1-13, antenna 1-14, modular jack 1-15, battery 1-
The part constituted by 16 and surrounded by a chain line is a part added in the present invention.

FIG. 2 is a block diagram showing a configuration example of a master unit of the cordless telephone system. The base unit 3 is the same as the conventional one, with the calling signal detector 3-1 and the dial pulse / hook O.
N / OFF signal generator 3-2, call circuit 3-3, DTM
F (dial tone) generator 3-4, transmitter 3-
5, control unit 3-6, receiving unit 3-7, transmission / reception separator 3-8,
It is composed of an antenna 3-9.

The operation will be described with reference to FIGS. When making a call from the wired telephone 2 connected to the cordless handset 1, when the wired telephone 2 is hooked off, the dial pulse of FIG.
An OFF hook is detected by the hook ON / OFF detector 1-2 and input to the control unit 1-6. This makes the handset 1
The control unit 1-6 of the transmission unit 1-9, the transmission / reception separator 1-13,
When the procedure for linking with the base unit 3 is performed by radio waves via the antenna 1-14 and the link is completed, the control unit 3-6 of the base unit 3 causes the dial pulse / hook ON / OFF signal generator 3-2 of FIG. And the telephone line is closed through the call circuit 3-3.

Next, if the dial signal from the wired telephone 2 is of the dial pulse system, it is input to the control unit 1-6 through the dial pulse / hook ON / OFF detector 1-2 of FIG. 1 and also of the DTMF system. If there is, it is input to the control unit 1-6 of the handset 1 through the DTMF receiving circuit 1-4, and further, the transmission unit 1-9, the transmission separator 1-13, the antenna 1-1.
A dial signal is sent to the telephone line in order of the base unit control section 3-6, the DTMF generator 3-4, and the dial pulse / hook ON / OFF signal generator 3-2 via the radio wave via 4. Subsequent calls can be made through a wired telephone.

Next, when there is an incoming call, the calling signal detector 3-1 of FIG. 2 detects the calling signal from the line and inputs it to the control unit 3-6 of the master unit 3. Further, the transmitting unit 3-5,
Radio waves are transmitted via the transmission separator 3-8 and the antenna 3-9.
The incoming call data is sent to the slave unit control section 1-6, the ringing bell of the slave unit 1 is caused to ring, and at the same time the ringing signal generating circuit 1-1 is driven to ring the wired telephone set 2. For the response to the incoming call, the wired telephone 2 is hooked off and the handset is used, or
Alternatively, the transmitter 1-10 and the receiver 1-12 respond. Although the mobile device 1 of FIG. 1 uses the battery-1-16 as a power source, it may have a structure using an AC power source. Next, an embodiment using an AC power source will be described.

[Embodiment 2] FIG. 3 is a block diagram showing a configuration example 2 of a slave unit of the cordless telephone system of the present invention. As shown in the figure, in this device, the cordless handset 1 and the wired telephone 2 are modular.
The structure is such that it is connected by a jack 1-17. Cordless handset 1
Is the call generation circuit 1-1, dial pulse / hook ON /
OFF detector 1-2, current supply circuit 1-3, 2-wire / 4-wire switching circuit 1-5, control unit 1-6, transmission unit 1-9, reception unit 1
-11, a transmission / reception separator 1-13, an antenna 1-14, a modular jack 1-15, a power supply unit 1-17,
The configuration of the configuration example 1 does not include a transmitter, a receiver, and a dial push button.

FIG. 4 is a diagram in which a wire telephone is connected to the cordless telephone according to the second embodiment of the present invention. As shown,
The various circuits that make up the cordless telephone 1 are housed in an AC adapter-shaped housing, and the housing has a terminal 1a that can be plugged into an outlet for general household use and a modular jack 1 of the parent device. Insertion terminal 1 into which -15 is inserted
b is provided. This is plugged into an ordinary household outlet and a conventional wired telephone is connected through a modular jack to be used as a cordless telephone. There is no need for construction if you use this device when adding a telephone at a general home or when it is difficult to lay a telephone line in an outdoor facility.
If you have a household power source, you can install and move your telephone freely. It can be conveniently used without any change from the conventional usage.

[0015]

As described above in detail, according to the present invention, the following effects are expected. A hand-held wired telephone, which is conventionally used, can be conveniently used as a cordless telephone. Even a wired telephone having a complicated function can be used as it is as a cordless telephone. It can be easily installed without the need for new wiring work. Furthermore, in the case of the cordless telephone system according to claim 2, the reception speed is received by the slave unit.
Costs are reduced because parts such as mosquitoes, microphones and push buttons are not required. Also, by using a billing line for the telephone line and connecting the public telephone to the child device side, the public telephone can be easily installed in an inconvenient place away from the parent device.

[Brief description of drawings]

FIG. 1 is a configuration example 1 of a child device of a cordless telephone device of the present invention.
It is a block diagram showing.

FIG. 2 is a block diagram showing a configuration example of a master unit of the cordless telephone device.

FIG. 3 is a configuration example 2 of a child device of the cordless telephone device of the present invention.
It is a block diagram showing.

FIG. 4 is a diagram in which a wired telephone is connected to the cordless telephone apparatus according to the second embodiment of the present invention.

FIG. 5 is a diagram in which a wired telephone is connected to a conventional cordless telephone device.

[Explanation of symbols]

1 Handset 1-1 Call generation circuit 1-2 Dial pulse / hook ON / OFF detector 1-3 Current supply circuit 1-5 2-wire 4-wire exchange circuit 1-6 Control unit 1-7 Push button 1-8 Call Bell 1-9 Transmitter 1-10 Transmitter 1-11 Receiver 1-12 Receiver 1-13 Transmitter / receiver 1-14 Antenna 1-15 Modular jack 1-16 Battery

Claims (2)

[Claims] 1. In a cordless telephone apparatus having a slave unit and a master unit and using radio waves as a communication medium, a cordless telephone signal generating means for dialing a ringing of a wired telephone is provided to a slave unit of the cordless telephone unit. A hook ON / OFF detecting means, a current supplying means for supplying a current to the wire telephone, a DTMF receiving means, a 2-wire to 4-wire converting means, and a means for connecting with the wire telephone are provided, and the cordless telephone device is provided with the child. A cordless telephone device characterized in that a wired telephone can be connected to the machine side for use. 2. The cordless telephone apparatus according to claim 1, wherein the cordless telephone apparatus has a slave unit housed in an AC adapter-type housing having a plug connectable to a household outlet and used as a driving power source. A cordless telephone device characterized in that a home telephone power source is used and a wired telephone is connected to the AC adapter-type casing so as to be usable as a cordless telephone.