JPH1065770A - Radio telephone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent holding state from being released by another telephone set after holding in a radio telephone system capable of registering plural telephone sets to one connector. SOLUTION: This system is composed of the single connector 1 and the plural telephone sets 2-1, and each telephone set 2-1 is provided with an operation part 23 with a holding button, etc., for executing holding operation, a timer 24, a telephone set control part 22 transmitting a holding signal to the connector 1 by starting the time 24 when the holding button is depressed, and a telephone set radio part 21. The connector 1 is provided with a holding part 14 holding a telephone line 4 by starting a timer 13 at the time of receiving the holding signal through a connector radio part 11, a connector control part 12 releasing holding by discriminating and receiving only a releasing signal from a telephone set sending the holding signal until the timer 3 is time out, and an identification information storing part 15 storing identification information of the telephone set.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio telephone system, and more particularly, to a radio telephone system capable of holding a call during a call.

[0002]

2. Description of the Related Art In a conventional wireless telephone system, for example, a "prior art" Japanese Patent Laid-Open Publication No. Hei 3-73643 discloses a "cordless telephone hold system" which is connected to a subscriber line terminal of a wired communication switching network. And a slave station connected to the wired communication switching network via the master station by transmitting and receiving between the master station and the master station. In a cordless telephone that is powered by a slave station, when a hold operation is performed, the slave station sends a hold signal to the master station, and then stops the transmission / reception function with the master station. , And enters a reception standby state until the slave station releases the hold state. In other words, when the hold operation is performed on the slave unit,
After transmitting the hold signal to the master unit, the transmission / reception function of the slave unit is stopped. On the other hand, the master unit that has received the hold signal continues to send the hold sound signal to the telephone line.

A second prior art, Japanese Patent Application Laid-Open No.
Japanese Patent Publication No. 11732 discloses a "cordless telephone device" as a hold control method for controlling the hold and release of a call line, a method for holding a wireless line open, and stopping the transmission of radio waves when a call is not held. In such a case, if the number of radio telephones becomes more than one, the call held by the user can be released from any radio telephone at his / her will. To provide an easy-to-use cordless telephone device.In addition, even if the user forgets to hold the device while the wireless line is still connected, the wireless line can be opened to further utilize the radio waves. It was done. That is, when a hold operation is performed in the wireless telephone, the wireless telephone sends a hold signal to the connection device. Then, in response to the received hold signal, the connection device transmits a hold tone signal to the telephone line while holding the wireless line. Thereafter, when an on-hook signal is received or no signal is received within a predetermined time, the wireless line is released.

[0004]

In the hold control method according to the first prior art, Japanese Patent Laid-Open Publication No. Hei 3-73643, entitled "Holding system for cordless telephones", a wireless communication system in which a plurality of telephones can be registered in one connection device. In the telephone system, there is a problem that the hold may be released to another telephone after the hold.

[0005] The reason is that the radio line is simply released after the hold, so that the telephone line can be seized from any registered telephone during the hold.

A second prior art, Japanese Patent Laid-Open Publication No.
In the hold control method using the "cordless telephone device" disclosed in Japanese Patent Publication No. 11732, there is no problem that the hold is released to another telephone when a hold operation is simply performed even in a wireless telephone system in which a plurality of telephones can be registered. However, during that time, the wireless line is maintained, and further on-hook operation is required to release the wireless line. During this time, since radio waves are transmitted from the telephone, there is a problem that it is not preferable from the viewpoint of effective use of radio waves and consumption of the battery of the telephone.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to reduce the current consumption in a telephone device in which a plurality of telephones can be registered in one connection device and to perform a hold that cannot be released by another telephone, thereby enabling the use of the telephone. The idea is to lengthen the time.

[0008]

A wireless telephone system according to the present invention is a wireless telephone system comprising a connecting device connected to a telephone line and two or more telephones connected to the connecting device by a wireless line. When any one of the plurality of telephones performs a hold operation, the wireless line between the first telephone and the connection device is opened to perform the hold operation. By stopping transmission / reception operations between the remaining telephones other than the first telephone and the connection device, the connection device is set to a state in which it does not accept a hold release signal from a telephone other than the first telephone. The hold state of the first telephone is prevented from being released by a telephone other than the first telephone.

Further, in the wireless telephone system according to the present invention, the first telephone performing the hold operation starts a timer after transmitting a hold signal to the connection device, and starts the timer after the timer times out. After transmitting a time-out signal to the first telephone, the wireless line with the first telephone is released until a predetermined time.
The current consumption of the first telephone is reduced when the first telephone performs a hold operation that is not released from a telephone other than the first telephone, and the usable time of the telephone main body is extended.

A telephone system according to the present invention is a radio telephone system comprising a connection device connected to a telephone line and two or more telephones connected to the connection device by a radio line. Operating means having a hold button, a call button, and the like for performing, a first timer for measuring a time from the start of the hold operation to a time-out, and the second timer when the hold operation is performed from the operation means. When the first timer starts and outputs a hold signal and the first timer measures time-out, a time-out signal is output and transmitted to the connection device through the wireless line. When the transmission wave is turned off, the wireless line with the own telephone is opened, and the transmission operation is performed again from the operation unit, the previous operation is performed. The hold release signal outgoing wave as an on-establish the wireless line between the host telephone releases the hold operation and the phone radio transmitting means for transmitting to the connected device;
A second timer that starts when the connection device receives the hold signal transmitted from the telephone input through the wireless line, starts measurement, and outputs a timeout signal when a predetermined time elapses; Holding means for putting the telephone line connected to its own device through the line interface means on hold when receiving the hold signal, and releasing the hold state of the telephone line when receiving the hold release signal from the telephone And identification information storage means for temporarily storing identification information of the telephone included in the hold signal transmitted from the telephone; and in the hold signal transmitted from the telephone until the second timer times out. Before the telephone from which the identification information of the telephone coincides with the contents of the identification information of the telephone stored in the identification information storage means. After determining and accepting only the hold release signal, the hold state is released, and the second timer times out and outputs the time-out signal. Then, the hold is performed without determining the identification information in the hold release signal. Control means for performing control for canceling the state to the holding means.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a wireless telephone system according to one embodiment of the present invention.

A wireless telephone system according to the present invention comprises a connecting device 1 connected to a telephone line 4, a telephone set 2-1 and a telephone set 2 connected to the connecting unit 1 via a wireless line 3.
-2. In order to facilitate the explanation, the telephone connected to the connection device 1 via the wireless line
However, the same applies when more telephones are connected.

Since the configuration and functional operation of the telephone 2-1 and the telephone 2-2 are the same, the telephone 2-
Only the relationship with 1 will be described.

In the connection device 1, the connection device control unit 12 and the holding unit 14 are connected to the telephone line 4 via the line unit 16. The connection device controller 12 controls the telephones 2-1 and 2-
A holding unit 14 that controls the connection device radio unit 11 for forming the wireless line 3 between the communication device 2 and the connection device 1 and sends a hold signal for holding the telephone line 4; A timer 13 for measuring the time from the start of the communication, and information for determining whether or not the wireless call is from a telephone whose identification code is registered in advance when the wireless line 3 is formed. Is connected to the identification information storage unit 15 that stores

In the telephone 2-1, the telephone radio section 21 for forming the radio line 3 with the connection device 1
Is under the control of the telephone control unit 22, receives and transmits a control signal from the connection device 1 to the telephone control unit 22 in addition to transmitting and receiving a communication voice signal, and connects the control signal from the telephone control unit 22. Transmit to the device 1.

The telephone control section 22 is connected to an operation section 23 having a hold button in addition to a dial button, a call button and a call end button in addition to a receiver and a transmitter, and a timer 24. Then, when a button on the operation unit 23 is pressed, the telephone control unit 22 generates and outputs a control signal corresponding to the button, and transmits the control signal from the antenna 6-1 to the connection device 1 via the telephone wireless unit 21.

Next, the hold operation will be described.

FIG. 2 is a flowchart for explaining an example of the hold operation. Referring to FIG. 2, telephone 2-
The operation when 1 is suspended will be described.

To put the connection apparatus 1 and the telephone set 2-1 on hold during a call, first, the user presses a hold button of the telephone control unit 22 of the telephone set 2-1 (hold operation 101). Next, the telephone 2-1 sends a hold signal to the connection device 1 (hold signal transmission / timer activation 102).

When receiving a hold signal from the telephone set 2-1 (hold reception determination 201), the connection unit 1 generates a hold signal from the hold unit 14 and sends the hold signal to the telephone line 4 via the line unit 16. At the same time, the telephone identification information included in the hold signal is stored in the identification information storage unit 15 and the timer 13 is started (transmission of hold sound / identification code storage /
Timer start 202). In the signal reception determination 203, the processing is divided into two systems according to the signal received by the connection device 1 next.

After pressing the hold button on the telephone 2-1,
When the timer 23 times out (timeout determination 1
03), and sends a timeout signal to the connection device 1 (timeout signal transmission 104). Then, the telephone 2-1 enters a standby state (standby state 105).

Next, in the connection device 1, the signal reception judgment 203
When the time-out signal is received, the wireless line 3 is disconnected (wireless line disconnection 204), and it is determined whether or not the timer 13 has timed out (time-out determination 206).
HOOK) signal reception is monitored (off-hook determination 2)
07). With the wireless line 3 disconnected in this way,
The telephone 2-1 is put on hold.

When the connection device 1 receives the OFF HOOK signal after the telephone 2-1 is put on hold, the connection device 1 is turned off.
It is determined whether or not the telephone identification information included in the HOOK signal matches the telephone identification information stored in the identification information storage unit 15 (identification code determination 209). Along with the hold release 211), when they do not match, for example, the other telephone 2-2 turns off.
When the HOOK signal is received, the monitoring of the timeout of the timer 13 and the OFFHOOK from the telephone 2-1 are performed again.
Repeat the signal reception monitoring. Thus, the timer 13
Until the time-out occurs, only the holding phone can release the hold.

Here, when the timer 13 times out during the monitoring at the time of the time-out judgment 206, as is well known in a conventional telephone, the connection device control unit 12 of the connection device 1 prevents long-term suspension. Sends a hold alert to the telephone 2-1 (hold alert send 20
8) Then, when an OFF HOOK signal is received, OFF H is received when an OFF HOOK signal is received.
Hold release is performed without determining whether or not the telephone identification information included in the OOK signal matches the telephone identification information stored in the identification information storage unit 15. Accordingly, the hold can be released from the other telephone set 2-2.

On the other hand, when the connection device 1 receives the ON HOOK signal at the stage of the signal reception judgment 203, it disconnects the wireless line 3 (wireless line disconnection 205), and then turns off the OFF HOOK signal.
When an OK signal is received, the hold is released and the call returns to a normal call. Also in this case, the hold release from the telephone set 2-2 can be performed.

[0026]

As described above, according to the present invention, 1
In a wireless telephone system in which a plurality of telephones can be registered in one connection device, current consumption when performing a hold that cannot be released by another telephone can be reduced. As a result, there is an effect that the usable time of the telephone can be extended.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a wireless telephone system according to one embodiment of the present invention.

FIG. 2 is a flowchart illustrating an example of a hold operation of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connection device 2-1 and 2-2 Telephone 3 Radio line 4 Telephone line 11 Connection device radio unit 12 Connection device control unit 13 Timer 14 Reservation unit 15 Identification information storage unit 16 Line unit 21 Telephone radio unit 22 Telephone control unit 23 Operation Part 24 timer

Claims (3)

[Claims] A wireless telephone system comprising: a connection device connected to a telephone line; and two or more telephones connected to the connection device by a wireless line, wherein any one of the plurality of telephones is provided. When the first telephone performs the hold operation, the remaining telephones other than the first telephone that has performed the hold operation by releasing the wireless line between the first telephone and the connection device. The transmission / reception operation with the connection device is stopped so that the connection device does not accept a hold release signal from a telephone other than the first telephone, whereby the hold state of the first telephone is set to the second state. A wireless telephone system for preventing release by a telephone other than the one telephone. 2. The first telephone that performs the hold operation starts a timer after transmitting a hold signal to the connection device, and transmits a timeout signal to the connection device after the timer times out. Consumption of the first telephone when the first telephone performs a hold operation that is not released from a telephone other than the first telephone by releasing the wireless line with the first telephone until a predetermined time. A wireless telephone system wherein current is reduced to extend the usable time of a telephone body. 3. A wireless telephone system comprising a connection device connected to a telephone line and two or more telephones connected to the connection device via a wireless line, wherein the telephone sets a hold for performing a hold operation. Operating means having a button, a call button, etc., a first timer for measuring the time from the start of the hold operation to a time-out, and the first timer is activated when the hold operation is performed from the operation means When the hold signal is output and the first timer measures a timeout, a timeout signal is output and transmitted to the connection device through the wireless line, and after transmitting the timeout signal, the transmission wave to the connection device is turned off. When the wireless line with the own telephone is opened and the transmitting operation is performed again from the operating means, the transmitting wave is turned on and the own telephone A telephone radio transmission means for transmitting to the connection device a hold release signal for establishing the wireless line with the connection device and releasing the hold operation; and wherein the connection device holds the transmission from the telephone input through the wireless line. A second timer that starts upon receipt of a signal, starts measurement, and outputs a timeout signal when a predetermined time has elapsed, and is connected to its own device via line interface means when receiving the hold signal transmitted from the telephone. Holding means for putting the telephone line into a hold state and releasing the hold state of the telephone line when receiving the hold release signal from the telephone; and identifying the telephone included in the hold signal transmitted from the telephone. Identification information storage means for temporarily storing information; and the hold signal transmitted from the telephone until the second timer times out. In the second embodiment, only the hold release signal from the telephone set whose identification information matches the content of the identification information of the telephone set stored in the identification information storage means is received and the hold state is released, and the second state is released. Control means for controlling the hold means to release the hold state without discriminating the identification information in the hold release signal after the timer times out and outputs the timeout signal. A wireless telephone system characterized by the above.