JP2872108B2 - Wireless telephone equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio telephone device comprising a parent device connected to a wired line and a radio telephone connected to the parent device through a radio line. The present invention relates to a three-party call between a plurality of wireless telephones connected to a parent device via a wireless line.

[0002]

2. Description of the Related Art Conventionally, a three-way telephone service of this type of wireless telephone is, for example, a user of a general telephone connected to a wired line (hereinafter referred to as a second user) and a user of a first wireless telephone. (Hereinafter referred to as a first user) during a two-way call, a three-way call including a user of the second wireless telephone (hereinafter referred to as a third user) is performed in the first case. User operates the operation unit of the first wireless telephone in a predetermined manner, sends a hold request signal to the parent device, temporarily suspends the call with the general telephone, and then dials into the second wireless telephone. When a start key is pressed, a call is made, and after waiting for a response from the third user, the hold with the general telephone is released to perform a three-way call.

[0003] Further, in order to receive a three-party call service by a wireless telephone, it is possible to register in advance that the three-way telephone service is to be received for each wireless telephone and pay a preset monthly service subscription fee. Was.

[0004]

In order to receive a three-way call service using a conventional wireless telephone, for example, a user of a general telephone connected to a wired line (hereinafter referred to as a second user) and a first telephone are called a second user. A case where a user of a second wireless telephone (hereinafter, referred to as a third user) is added to a three-way telephone call during a two-way call with a user of a wireless telephone (hereinafter, referred to as a first user) However, after the first user operates the operation unit of the first wireless telephone by a predetermined method, sends a hold signal to the parent device, temporarily suspends the call with the general telephone, and then issues a call to the second wireless telephone. After dialing, a call must be made by pressing the start key, a hold of the general telephone must be released after a response from the third user, and a three-way call connection must be established. Not only cannot join the three-way call, but also the two-way call is interrupted.

[0005] Further, the first user receives a hold request and a second request.
Call request operation to the wireless telephone of
Operation was troublesome.

It is an object of the present invention to provide a wireless telephone device that allows a user of a wireless telephone to quickly join a three-party call and does not require a subscription fee for a three-party call service.

[0007]

SUMMARY OF THE INVENTION A wireless telephone device according to the present invention is a wireless telephone device comprising a wireless telephone connected to a parent device connected to a wired line via a wireless line; It is characterized in that a three-way call connection means for enabling a call is added.

Further, the first wireless telephone which is in communication with the general telephone connected to the wired line and the second wireless telephone which is communicating via the parent device can connect the nearby second wireless telephone using the connection cable with the three-party connecting means. Thus, a three-party call can be made between the general telephone and the first and second wireless telephones by connecting to the first wireless telephone.

The three-way telephone connection means includes: a first connection terminal having a transmission voice output terminal and a reception voice input terminal; and a second connection having a transmission voice output terminal and a reception voice input terminal. A first switch for connecting a transmission voice to one of the transmission output terminal of the first connection terminal and the transmission output terminal of the second connection terminal; the first connection A second switch for selecting one of a receiving voice input terminal of the terminal and a receiving voice input terminal of the second connection terminal; a transmitting voice input via the first switching switch and a receiver receiving the voice; The demodulated received voice from the general telephone is added to the output, and the sum is output to a transmission output terminal of the first connection terminal. The received voice input to the reception voice input terminal of the first connection terminal is converted to the second voice. Modulates the transmission voice and the transmission voice via the master device. And a distributing / distributing unit for distributing the signal to the transmitter for transmitting to the general telephone. The first wireless telephone participates in the three-way call with the second wireless telephone during a telephone call with the general telephone. The first and second
Is set to the first connection terminal side,
The second wireless telephone sets the first and second switches to the second connection terminal side, and the first connection terminal of the first wireless telephone and the second wireless telephone Connected to the second connection terminal with a dedicated connection cable; the first wireless telephone outputs to the handset a reception voice from the general telephone which is received from the parent device via the receiver and demodulated. And input to the combining / distributing unit, and the combining / distributing unit adds the transmission voice input through the first changeover switch to the connection output terminal of the first connection terminal. Speech output that is input to a reception input terminal of the second connection terminal of the second wireless telephone via a cable, and is transmitted from the transmission output terminal of the second connection terminal by the second wireless telephone. Through the connection cable Received by the reception input terminal of the connection terminal of the connection terminal, distributed by the combining / distributing unit, one is input to the receiver via the second changeover switch, and the other is input to the transmitter and transmitted from the transmitter. And transmits the modulated signal to the general telephone via the master device.

Further, the first changeover switch and the second changeover switch
Is operated in conjunction with the changeover switch.

A first main unit connected via a radio line to the first radio telephone connected to the second radio telephone in the vicinity by the connection cable; and a fourth radio telephone in the vicinity connected to the first radio telephone. Are connected by the connection cable, the third wireless telephone is connected via a wireless line, the second parent device is connected via a wired line, and the first parent device and the second parent device are connected. Characterized in that the first, second, third, and fourth wireless telephones can perform a four-party call between them.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to FIG. FIG. 1 is a main block diagram of a wireless telephone device according to a first embodiment of the present invention. .

A wireless telephone 20 shown in FIG. 1 is connected to a general telephone 40 accommodated in a wired line 50 via a parent device 10. The parent device 10 includes a hybrid circuit 11 that performs two-wire / four-wire conversion, an incoming call detection circuit 12 that detects an incoming signal from the ordinary telephone 40, and a received voice from the ordinary telephone 40 that is modulated in a predetermined signal format and transmitted. Antenna 15-1
, A receiver 14 that receives a transmission voice from the radio telephone 20 via a reception antenna 15-2, demodulates and inputs the demodulated voice to the hybrid circuit 11, and a memory 16-. Parent device 1 stored in 1
0 and a preset identification code between the wireless telephone 20 and the incoming signal detected through the incoming detection circuit 12 to control the connection between the parent device 10 and the wireless telephone 20;
The control unit 16 performs switching control of the wireless channel.

Further, the wireless telephone 20, three-party user themselves during a call connection to the change-over switch 21 which is manually controlled, transmitted by modulating the transmitted voice inputted from the transmitter 28 in a predetermined signal format antenna A transmitter 22 for transmitting to the master device 10 via the master device 26-1 and a receiving antenna 26-2 from the master device 10
The receiver 2 demodulates the radio waves received through the
9, and the receiver 24 adds the transmission voice of the radio telephone 20 and the reception voice from the general telephone 40 to the radio telephone 30 that has participated in the three-party call during the three-party call, and transmits the sum.
A synthesizing / distributing unit 23 for distributing the received voice from the wireless telephone 30 to the wireless telephone 20 and the general telephone 40, the parent device 10 stored in the memory 25-1, and the wireless telephone 2
A connection terminal “MAIN” 27 for connecting a control unit 25 for controlling a transmitter 22 and a receiver 24 for collation of an identification code set in advance between 0 and a wireless telephone 30 participating in a three-way call. -1 and "SUB" 27-2. In the case of a three-way call, the connection terminal “MAIN” 27-1 of the wireless telephone 20 and the connection terminal “SUB” 27-2 of the wireless telephone 30 are connected by a dedicated connection cable 60.

Next, the operation will be described. The incoming call detection circuit 12 of the parent device 10 detects an incoming call from the general telephone 40 and notifies the control unit 16 of the incoming call. Control unit 16 starts connection control between parent device 10 and wireless telephone 20 in response to this. Also, the received voice from the general telephone 40 is converted into two / four wires by the hybrid circuit 11 and input to the transmitter 13, modulated by the transmitter 13 according to a predetermined signal format, and transmitted from the transmission antenna 15-1 to the wireless telephone 20. I do. In addition, a radio wave from the wireless telephone 20 is received by the receiving antenna 15-2.
, And demodulated by the receiver 14, and the hybrid circuit 11
, And transmits the converted signal to the general telephone 40 via the wired line 50.

The output of the receiver 1 4 also inputted to the control unit 16, the control unit 16 of the identification code which is previously set between the master device 10 and the wireless telephone 20 stored in the memory 16-1 The incoming call signal input through the matching and incoming call detection circuit 12 is identified, and connection control between the parent device 10 and the wireless telephone 20 and wireless channel switching control are performed.

The radio telephone 20 receives the radio wave transmitted from the parent device 10 by the receiving antenna 26-2, and outputs the reception voice demodulated by the receiver 24 to the receiver 29. The transmission voice input from the transmitter 28 is modulated by the transmitter 22 and transmitted from the transmission antenna 26-1 to the parent device 10. In this way, a two-party call is performed between the general telephone 40 and the wireless telephone 20.

Next, a description will be given of an operation in a case where the wireless telephone 30 is connected to perform a three-party call during a two-party call between the wireless telephone 20 and the general telephone 40. While the wireless telephone 20 is talking with the general telephone 40, the user of the wireless telephone 20 connects the connection terminal 27-1 (MAIN) of the wireless telephone 20 with the wireless telephone 30 so that the nearby wireless telephone 30 can participate in the three-party call.
To the connection terminal 27-2 (SUB) of the wireless telephone 2 with the dedicated connection cable 60 prepared in advance.
The changeover switch 21 of 0 is set to the “MAIN” side, and the changeover switch 21 of the wireless telephone 30 is set to the “SUB” side.

By this operation, the received voice from the general telephone 40 is received by the receiving antenna 26-2 of the wireless telephone 20 via the parent device 10 and demodulated by the receiver 24. The demodulated received voice from the general telephone 40 is transmitted to the synthesis / separation unit 2.
3 is combined with the transmission voice of the wireless telephone 20, and the connection terminal “SUB” of the wireless telephone 30 is connected from the transmission output terminal of the connection terminal “MAIN” 27-1 via the connection cable 60.
Input to the receiving input terminal 27-2.

A connection terminal "SUB" 27 of the radio telephone 30
The received voice obtained by adding the received voice from the general telephone 40 and the transmitted voice of the wireless telephone 20 input to the -2 reception input terminal is amplified by the receiver 29 via the switch 21. The transmission voice of the radio telephone 30 is transmitted from the transmission output terminal of the changeover switch 21 to the connection terminal “SUB” 27-2 to the reception input terminal of the connection terminal “MAIN” 27-1 of the radio telephone 20 via the connection cable 60. Enter

The wireless telephone 20 has a connection terminal "MAIN".
The transmission voice from the wireless telephone 30 input to the reception input terminal 27-1 is separated by the synthesizing / separating unit 23, one of which is amplified by the receiver 29 via the changeover switch 21 and the other is input to the transmitting unit 22. The transmission voice is transmitted to the parent device 10 via the transmission antenna 26-1 together with the transmission voice of the radio telephone 20, and the parent device 10 transmits the transmission voice from the radio telephones 20 and 30 to the general telephone 40 via the wired line 50. .

As described above, the changeover switch 21 of the radio telephone 20 is set to the "MAIN" side, and the changeover switch 21 of the radio telephone 30 is set to the "SUB" side, and the "MAIN" terminal of the radio telephone 20 and the radio telephone 30 are set. "SU
By simply connecting the “B” terminal with a dedicated connection cable, the wireless telephone 20 can cause the wireless telephone 30 to participate in a three-way call without interrupting the call during communication with the general telephone 40.

Next, a second embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. The second embodiment shown in FIG. 2 includes parent devices 10-1 and 10-2 connected by a wired line, a radio telephone 20-1 and a radio telephone 30-1 under the control of the parent device 10-1, and Wireless telephone 20 under control of parent device 10-2
-2, the radio telephone 30-2, and the radio telephone 2
0-1 connection terminal "MAIN" 27-1 and wireless telephone 3
A connection terminal "SUB" 27-2 0-1, also a connection terminal "MAIN" 27-1 and the wireless telephone 30- second connection terminal "SUB" 27-2 radiotelephone 20-2, respectively connected They are connected by a cable 60.

During a two-way call between the radio telephone 20-1 and the radio telephone 20-2 via the parent device 10-1 to the parent device 10-2, the radio telephone 20-1 communicates with the radio telephone 30-1 near the radio telephone 20-1. When a four-party call is made with the wireless telephones 30-2 in the vicinity of the telephone 20-2 participating, the wireless telephone 20-1
User is connected to the connection terminal "MAIN" of the wireless telephone 20-1.
Connection terminal "SUB" 2 between 27-1 and wireless telephone 30-1
7-2 is connected by a dedicated connection cable 60, the switch 21 of the wireless telephone 20-1 (see FIG. 1) is set to the “MAIN” side, and the switch 21 of the wireless telephone 30-1 (see FIG. 1). ) Is set on the “SUB” side.

Similarly, the connection terminal "MAIN" 27-1 of the radio telephone 20-2 and the connection terminal "SUB" 27-2 of the radio telephone 30-2 are connected by a dedicated connection cable 60, and the radio telephone 20 -2 side changeover switch 21
(See FIG. 1) to "MAIN" side, the radio telephone 30- 2
Side switch 21 (see FIG. 1) is set to the “SUB” side.

As described above, the wireless telephone 20-
By connecting the wireless telephones 30-1 and 30-2 in the vicinity of the wireless telephones 20-1 and 20-2 with dedicated connection cables 60, respectively, the two-way communication between the wireless telephones 20-1 and 20-2 can be performed without interruption. It is possible to shift to a multi-party call. At this time, when one of the wireless telephones 20-1 and 20-2 removes the connection of the connection cable, it is possible to shift to the three-party call state without interrupting the four-party call during the call.

[0027]

As described above, the present invention provides a first connection terminal having a transmission voice output terminal and a reception voice input terminal, and a second connection terminal having a transmission voice output terminal and a reception voice input terminal. A connection terminal, a first switch for connecting the transmitted voice to one of the transmission output terminal of the first connection terminal and the transmission output terminal of the second connection terminal, A second switch for selecting one of the received voice input terminal and the received voice input terminal of the second connection terminal, and a transmission voice input via the first switch and a general signal received and demodulated by the receiver. The received voice from the telephone is added and output to the transmission output terminal of the first connection terminal, and the received voice input to the received voice input terminal of the first connection terminal is transmitted to the second changeover switch and the transmission voice. Modulate and distribute to a transmitter that transmits to a general telephone via the parent device A combining / distributing unit, wherein the first wireless telephone sets the first and second switches to the first and second switches when a nearby second wireless telephone participates in a three-way call during a call with a general telephone. The second wireless telephone sets the first and second switches to the second connection terminal (SUB) side, and sets the first and second switches to the second connection terminal (SUB) side.
The first connection terminal (MAIN) of the first wireless telephone and the second connection terminal (SUB) of the second wireless telephone are connected by a dedicated connection cable, and the first wireless telephone connects the receiver from the parent device. The receiver receives and demodulates the received voice from the general telephone, outputs the voice to the receiver, and inputs the received voice to the combining / distributing unit. The combining / distributing unit adds the transmitted voice to the input voice via the first switch. A signal is input from the transmission output terminal of the first connection terminal to the reception input terminal of the second connection terminal of the second wireless telephone via a connection cable, and the second wireless telephone transmits the second connection terminal. A transmission output transmitted from the output terminal is received by the reception input terminal of the first connection terminal via the connection cable, distributed by the combining / distribution unit, and one is input to the receiver via the second changeover switch; The other is input to the transmitter and shared with the transmitted voice from the transmitter. Modulation and transmission to the general telephone via the parent device do not require any hold operation and call operation in the wireless telephone, and no hold processing and call processing in the parent device. First
The wireless telephone sets the changeover switch to the first connection terminal side, and the second wireless telephone that participates in the three-way call sets the changeover switch to the second connection terminal side, and the first wireless telephone sets the first switch. By simply connecting the connection terminal to the second connection terminal of the second wireless telephone with a connection cable, the two-way call can be promptly shifted to a three-way call or a four-way call without any interruption.

In addition, a nearby wireless telephone can participate in a three-way call without subscribing to the three-way call service, so that a monthly three-way call subscription fee is not required.

[Brief description of the drawings]

FIG. 1 is a main block diagram of a first embodiment of the present invention.

FIG. 2 is a main block diagram of a second embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 10 parent device (first parent device) 10-1 parent device (first parent device) 10-2 parent device (second parent device) 11 hybrid circuit 12 incoming call detection circuit 13 transmitter 14 receiver 15-1 Transmitting antenna 15-2 Receiving antenna 16 Control unit 16-1 Memory 20 Radiotelephone (first radiotelephone) 20-1 Radiotelephone (first radiotelephone) 20-2 Radiotelephone (third radiotelephone) 21- Reference Signs List 1 switch 21-2 switch 22 transmitter 23 combining / distributing unit 24 receiver 25 control unit 25-1 memory 26-1 transmitting antenna 26-2 receiving antenna 27-1 connection terminal "MAIN" (first connection terminal) 27-2 Connection terminal "SUB" (second connection terminal) 28 Transmitter 30 Radiotelephone (second radiotelephone) 30-1 Radiotelephone (second radiotelephone) 0-2 radiotelephone (fourth wireless telephone) 40 general telephone 50 wire line 60 connecting cable

Claims (4)

(57) [Claims] 1. A wireless telephone device comprising a wireless telephone connected to a parent device connected to a wired line via a wireless line; a telephone call with a general telephone connected to the wired line via the parent device. The first wireless telephone connects the nearby second wireless telephone to the first wireless telephone by means of a three-way telephone connection means using a connection cable, so that the general telephone and the first and second wireless telephones are connected to each other. A wireless telephone device which enables a three-party call with a telephone. A first connection terminal having a transmission voice output terminal and a reception voice input terminal; and a second connection having a transmission voice output terminal and a reception voice input terminal. A first switch for connecting a transmission voice to any one of a transmission output terminal of the first connection terminal and a transmission output terminal of the second connection terminal; the first connection A second selector switch for selecting one of a receiving voice input terminal of the terminal and a receiving voice input terminal of the second connection terminal; a transmitting voice input via the first switching switch and a receiver receiving the voice; The demodulated and received voice from the general telephone is added and output to a transmission output terminal of the first connection terminal,
Synthesis for distributing the received voice input to the received voice input terminal of the first connection terminal to the second switch and the transmitter for modulating the transmitted voice and transmitting the modulated voice to the general telephone via the master device The first wireless telephone sets the first and second switches when the second wireless telephone participates in a three-way call during a call with the general telephone. The first wireless terminal is set to the first connection terminal side, the second wireless telephone sets the first and second changeover switches to the second connection terminal side, and the second wireless telephone sets the first and second switches to the second connection terminal side. 1 connection terminal and the second connection terminal of the second wireless telephone are connected by a dedicated connection cable; the first wireless telephone receives and demodulates from the parent device via the receiver. Outputs the received voice from the general telephone to the handset And input to the combining / distributing unit, and the combining / distributing unit adds the transmission voice input through the first changeover switch to the connection output terminal of the first connection terminal. Speech output that is input to a reception input terminal of the second connection terminal of the second wireless telephone via a cable, and is transmitted from the transmission output terminal of the second connection terminal by the second wireless telephone. Through the connection cable at the reception input terminal of the first connection terminal, distributes the received signal at the combining / distribution unit, inputs one to the handset via the second changeover switch, and the other to the 2. The radio telephone apparatus according to claim 1, wherein the radio telephone apparatus inputs the data to a transmitter, modulates the transmitted voice from the transmitter, and transmits the modulated voice to the general telephone via the master apparatus. 3. The switch according to claim 2, wherein the first switch and the second switch operate in conjunction with each other.
A wireless telephone device as described. 4. The first parent device for connecting via a wireless line the first wireless telephone to which the second wireless telephone in the vicinity is connected by the connection cable, and the fourth wireless telephone in the vicinity. Are connected by the connection cable, the third wireless telephone is connected via a wireless line, the second parent device is connected via a wired line, and the first parent device and the second parent device are connected. The wireless telephone device according to claim 2, wherein a four-party call between the first, second, third, and fourth wireless telephones can be made via a telephone.