JPS62294341A - Radiothlephony system - Google Patents

Abstract

PURPOSE:To reduce the average current consumption of a telephone set by intermitting the power supply of the transmission section of the telephone set operated to discriminating whether a communication line is within a talkable range or not during its holding state. CONSTITUTION:When the setting time of a telephone set holding timer 18 elapses, a setting time elapse signal 116 is fed to a telephone set holding control section 17. The telephone set holding control section 17 receiving the setting time elapse signal 116 sends a transmission section power control signal 111 to restart the supply of a telephone set transmission current to a telephone set sending section 15 from a transmission power supply 16, to bring the section 15 into a transmission state. Then the telephone set holding control section 17 receives the signal 111 to interrupt the supply of the signal 110 to the telephone set sending section 15 from the sending section power supply 16 to stop the transmission from the telephone set sending section 15 and allows a timer reset signal 115 to reset the telephone set holding timer 18.

Description

[Detailed Description of the Invention] 3. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a wireless telephone device, and in particular to a parent device connected to a wired line and a device that is freely connected to the parent device via a wireless line. The present invention relates to a wireless telephone device comprising a mobile telephone.

[Conventional technology]

Conventionally, as this type of wireless telephone device, there is one called a cordless telephone. In a cordless phone, the phone continuously sends information to the parent device to maintain the hold state. Furthermore, the parent device and the telephone detect each other's transmitted waves, and when the field strength falls below a certain level, the call quality deteriorates and the call line is disconnected. Therefore, the phone had to be in a transmitting state even when on hold.

[Problem that the invention seeks to solve]

In the conventional wireless telephone device described above, even when the call line is on hold, the transmitting section, which consumes most of the current consumption of the parent device and the telephone, operates, so it is especially important to use a battery as a power source. The disadvantage of this type of phone is that the battery usage time is shortened.

SUMMARY OF THE INVENTION In view of the above, an object of the present invention is to provide a wireless telephone device that reduces the average current consumption of the telephone by intermittent current flowing through the transmitter of the telephone when the telephone line is on hold. be.

[Means for solving problems]

The wireless telephone device of the present invention consists of a parent device connected to a wired line and a freely movable telephone connected to the parent device via a wireless line, and a call can be put on hold by an operation on the telephone side. a telephone hold control section that sends a hold setting signal to the parent device via a telephone transmitting section; and a telephone transmitting section based on a transmitting section power # control signal from the telephone holding control section. A transmitting unit power supply that intermittents the supply of telephone transmission current to the telephone and a timer control signal from the telephone hold control unit measures the time from when the telephone transmitting unit stops transmitting, and after a set time elapses, a set time elapsed signal is generated. a telephone hold timer that instructs the telephone hold control unit to restart the supply of telephone transmission current from the transmitting unit power source to the telephone transmitting unit; a parent device hold control unit that receives signals via a parent device hold control unit; a parent device hold timer that measures the time since transmission waves from the telephone are no longer detected; and a wired line corresponding section that shuts off the wired line when the transmitted wave cannot be detected.

[Effect]

In the wireless telephone device of the present invention, the telephone hold control section sends a hold setting signal to the parent device via the telephone transmission section,
The transmitting section power source intermittents the supply of telephone transmitting current to the telephone transmitting section based on the transmitting section power control signal from the telephone holding control section, and the telephone holding timer interrupts the supply of telephone transmitting current to the telephone transmitting section based on the transmitting section power control signal from the telephone holding control section. The time elapsed after transmission was stopped is measured, and after the set time elapses, a set time elapsed signal instructs the telephone holding control unit to restart the supply of telephone transmitting current from the transmitting unit power supply to the telephone transmitting unit, and the parent device The hold control unit receives a hold setting signal from the telephone via the parent device receiving unit, the parent device hold timer measures the time since transmission waves from the telephone are no longer detected, and the wired line support unit receives the hold setting signal from the parent device. To cut off a wired line when a transmission wave from a telephone cannot be detected even after the set time of a hold timer has elapsed.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

The figure is a block diagram showing the configuration of an embodiment of the present invention.

To simplify the explanation, the parent device only has the receiving system.
Only the transmitting system of the telephone is shown.

The reception system of the parent device includes a parent device reception section 11, a parent device hold control section 12, a parent device hold timer 13, and a wired line support section 14. Note that 101 is an electric field detection signal, 102 is a hold setting signal, 103 is a hold release signal, 104 is a timer activation/cancellation signal, 105 is a timer reset signal, 106 is a set time elapsed signal, and 107 is a wired line compatible part control signal. , 108 indicates an audio signal, and 109 indicates a wired line.

The transmission system of the telephone includes a telephone transmitter 15 and a transmitter power supply 1.
6, a telephone hold control unit 17, and a telephone hold timer 18.
and an audio switching section 19. In addition,
110 is a telephone transmitting current, 111 is a transmitter power control signal, 112 is a hold setting signal, 113 is a hold release signal,
114 is a timer activation/cancellation signal, 115 is a timer reset signal, 116 is a set time elapsed signal, 117 is an audio switching section control signal, and 118 and 119 are audio signals, respectively.

Next, the operation of the radio telephone device of this embodiment configured as described above will be explained.

The telephone hold control unit 17 on the telephone side sends out a voice switching unit control signal 117 when the hold setting is performed, and the voice switching unit 19
The audio signal 119 is cut off, and the hold setting signal 112 is sent to the parent device via the telephone transmitter 15. Thereafter, the timer activation/cancellation signal 114 activates the telephone holding timer 18, and the transmitter power supply control signal 111 is sent to cut off the supply of the telephone transmission current 110 from the transmitter power supply 6 to the telephone transmitter 15. Then, transmission from the telephone transmitter 15 is stopped.

When the set time of the telephone hold timer 18 has elapsed, a set time elapsed signal 116 is sent to the telephone hold control section 17.

In response to this set time elapsed signal 116, the telephone hold control section 17 sends out a transmitting section power supply control signal 111 to reduce the telephone transmitting current 11 from the transmitting section power supply 16 to the telephone transmitting section 15.
0 supply is restarted. As a result, the telephone transmitter 15
is placed in the sending state.

Thereafter, the telephone holding control section 17 again causes the telephone transmitting section 1 to receive power from the transmitting section power supply 16 using the transmitting section power supply control signal 111.
The supply of the telephone transmitting current 110 to the telephone transmitter 15 is cut off to stop the transmission from the telephone transmitter 15, and the timer reset Shingetsu 1
15, the telephone hold timer 18 is reset.

While the call is on hold, the above-described operation is repeated in the transmission system of the telephone.

In the case of release from hold, the telephone hold control unit 17 transmits the hold release signal 113 to the parent device via the telephone transmitter 15, and at the same time switches the audio switching unit 19 using the audio switching unit control signal 11.7 to transmit the audio signal. 119 to the telephone transmitter 15 and return to the talking state. Further, the operation of the telephone hold timer 18 is canceled by the timer activation/cancellation signal 114.

When the parent device hold control unit 12 receives the hold setting signal 102 from the parent device receiving unit 1 on the parent device side, the timer activation signal 10
4 to start the parent device hold timer 13, and at the same time, the wired line compatible unit control signal 107 causes the wired line compatible unit 14 to cut off the connection of the audio signal 108 to the wired line 109, thereby placing it in a held state.

The parent device hold control unit 12 controls the parent device receiving unit 11 before receiving the set time elapsed signal 106 from the parent device hold timer 13.
When receiving the electric field detection signal 101 from the main device, the timer reset signal 115 resets the parent device hold timer 13 and continues the hold state. If the electric field detection signal 101 is not received before the set time elapsed signal 106 is received, it is determined that the telephone is not within the communication range, and the wired line compatible unit control signal 107 causes the wired line compatible unit 14 to transmit the voice signal 108. The connection to the wired line 109 is cut off and the call is cut off.

Further, when the parent device hold control unit 12 receives the hold release signal 103 from the parent device receiver 11, it cancels the operation of the parent device hold timer 13 by the timer activation/cancellation signal 104.
The wired line compatible unit 1 is activated by the wired line compatible unit control signal 107.
The voice signal 108 is connected to the wired line 1094: to return to the talking state.

Set time of telephone hold timer 18 to parent device hold timer 1
If the time is set to be the same as or shorter than the time set in step 3, the hold state will be maintained even if the transmitted waves from the telephone are intermittent.

〔Effect of the invention〕

As explained above, the present invention is capable of reducing the average power of the telephone by intermittent power supply to the transmitter of the telephone, which is operating to determine whether or not the telephone is within the moving range where the telephone call can be made when the telephone line is on hold. This has the effect of reducing current consumption and extending usage time even when the phone uses a battery.

[Brief explanation of the drawing]

The figure is a block diagram showing a receiving system of a parent device and a transmitting system of a telephone in a wireless telephone device according to an embodiment of the present invention. In the figure, 11... Parent device receiving section, 12... L device hold control section, 13...
・Parent device hold timer, 14...Wired line support section, 15...Telephone transmitter, 16...Transmitter power supply, 17...Telephone hold control 18...Telephone hold timer, 19...Audio switching unit, 101...Electric field detection signal, 102, 112...Hold setting signal, 103, 113
... Hold release signal, 104, 114 ... Timer activation/cancellation signal, 105.115 ... Timer reset signal, 106, 116 ... Set time elapsed signal, 107 ... Wired line compatible section control signal, 10
8, 118.119 ・Audio signal, 109...
・Wired line, 110 ... Telephone transmission current, 111 ...
. . . Transmitter power supply control signal, 117 . . . Audio switching unit control signal.

Claims (2)

[Claims] (1) In a wireless telephone device that consists of a parent device that is connected to a wired line and a freely movable telephone that is connected to the parent device via a wireless line and that can put a call on hold by operating the phone. , a telephone hold control unit that sends a hold setting signal to the parent device via a telephone transmitter; and a telephone hold control unit that controls the telephone transmitting current to the telephone transmitter based on the transmitter power control signal from the telephone hold control unit. A transmitting section power source whose supply is intermittent; and a timer control signal from the telephone holding control section to measure the time since the telephone transmitting section stops transmitting, and after a set time elapses, a set time elapsed signal is used to disconnect the transmitting section power supply from the transmitting section power supply. a telephone hold timer that instructs the telephone hold control unit to restart the supply of telephone transmission current to the telephone transmission unit; and a parent device that receives the hold setting signal from the telephone via a parent device receiver. A hold control unit, a parent device hold timer that measures the time after the transmitted waves from the telephone are no longer detected, and the transmitted waves from the telephone cannot be detected even after the set time of the parent device hold timer has elapsed. A wireless telephone device comprising: a wired line compatible section that sometimes interrupts the wired line. (2) The wireless telephone device according to claim 1, wherein the telephone transmits the hold information to the parent device during intermittent transmission during a hold operation.