JPH11275181A - Portable communication terminal connection device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a connected portable communication terminal from being left turned on when a user leaves the automobile or the like. SOLUTION: This device is provided with a terminal connection detection means 22 for detecting connection of the portable communication terminal 30, a key lock switch detection means 12 for detecting the state of being linked with the key lock switch of a prescribed moving body and control means (11 and 21) for performing a prescribed alarm processing when the key lock switch detection means 12 detects a prescribed state at the time not using the moving body in the state of detecting that the portable communication terminal 30 is connected in the terminal connection detection means 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hands-free unit suitable for use in a hands-free unit connected to, for example, a portable telephone terminal.

[0002]

2. Description of the Related Art In recent years, various kinds of hands-free units have been developed which allow a user to make a call without interfering with driving by connecting the portable telephone terminal when making a call with the portable telephone terminal while driving a car, for example. I have. The hands-free unit includes, for example, a connection portion to which a desired mobile phone terminal is connected, a speaker for hands-free communication, and a microphone for hands-free communication, and the microphone is a communication cable having a plurality of signal lines. Connected through. In addition, it has a connection terminal connected to, for example, a cigarette lighter socket included in an automobile to secure a power supply. In this case, the microphone is installed near the mouth in a normal posture of the driver of the vehicle, for example, in a sun visor or the like provided in the vehicle.

According to this hands-free unit, an audio signal received by an antenna of a connected portable telephone terminal and demodulated by the portable telephone terminal is transmitted to a speaker at the time of a hands-free call. Is output as voice. In addition, a voice uttered by a person sitting in the driver's seat in a normal posture is sensed by a microphone during a hands-free call, an audio signal is generated by a hands-free unit and transmitted to the mobile phone terminal, and the voice is output by the mobile phone terminal. An electromagnetic wave on which signal modulation or the like has been performed is transmitted by an antenna included in the mobile phone terminal.

[0004] With this configuration, even when both hands are occupied, for example, while driving a car, a call can be made with the mobile phone terminal without holding the mobile phone terminal. be able to.

[0005]

When a call is made by a portable telephone terminal using this kind of hands-free unit, for example, a desired portable telephone terminal is put on a hands-free unit mounted on an automobile. Must be taken out of your pocket or bag and connected, and when the user leaves the car, the user forgets to place the mobile phone terminal inside the car,
There was a disadvantage that the mobile phone terminal could not be used when necessary. Further, since the vehicle is left in the car, there is a disadvantage that the vehicle may be left in a place exposed to direct sunlight for a long time depending on a parking place of the car.

[0006] In view of the above, it is an object of the present invention to prevent a portable communication terminal from being left behind when a user leaves a car or the like.

[0007]

In order to solve this problem, a portable communication terminal connection device according to the present invention comprises a terminal connection detecting means for detecting connection of a portable communication terminal, and a key lock switch for a predetermined moving body. Key lock switch detecting means for detecting a state linked with the mobile communication terminal, and detecting that the mobile communication terminal is connected by the terminal connection detecting means. Control means for performing a predetermined warning process upon detection.

According to the portable communication terminal connection device of the present invention,
A predetermined warning process is performed when the mobile communication terminal is connected but is connected when the mobile body is set to a non-use state by operating a key lock switch provided on the mobile body.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.

FIG. 1 is a block diagram showing the configuration of the hands-free unit of this embodiment and its surroundings. The hands-free unit 20 of the present embodiment is installed in a vehicle while being connected to an audio device 10 provided in a mobile body (here, a vehicle), and operates in conjunction with the audio device 10 to operate for a mobile phone terminal. It is configured to function as a hands-free unit.
In addition, a mobile phone terminal 30 that performs wireless communication by connecting and using an antenna 31 that receives and receives a wireless signal is configured to be used.

First, the audio equipment 10 installed in a car will be described.
Includes an audio controller 11 that controls the entire audio device 10. In the present embodiment, the connection to the audio controller 11 of the audio device 10 is based on the state of an accessory switch (hereinafter referred to as an ACC switch) of a key lock switch (for example, a switch into which an engine key is inserted) of the vehicle. An ACC detection circuit 12 that detects supply of power and supplies the detection signal to an audio controller 11; a cassette tape reproduction unit 13 and a CD reproduction unit 14 for reproducing various recording media, for example; AM
A tuner 15 for selecting a desired carrier frequency for broadcasting or the like and performing tuning or the like; an operation switch 16 for performing a predetermined operation of the cassette tape reproducing device 13 or the like; and a beep sound or the like controlled by the audio controller 11 at a predetermined time. A buzzer 17 for outputting sound and a display unit 18 for displaying various information
And

In this case, for example, when the operation switch 16 is operated, the buzzer 17 outputs a beep sound or the like to confirm the operation, and also outputs a beep sound or the like at the time of a portable telephone terminal connection warning described later. I do. The audio controller 11 outputs the operation confirmation beep and the warning beep in different states.
Controls. For example, the operation confirmation beep
The beep sounds for a relatively short period of time, and the warning beep sound is a sound that continues to sound while the warning operation is continued (or a sound that continues to sound intermittently).

A speaker device 19 disposed in a predetermined state in each part of the automobile is connected to the audio device 10, and a sound based on an audio signal or an audio signal output from the audio device 10 is transmitted to the speaker device. 19
Sound is emitted from.

The power supply to the audio device 10 is not limited to the supply of power which is turned on / off in conjunction with the ACC switch detected by the ACC detection circuit 12 described above, and is also provided in an automobile. There is a supply of power that is constantly supplied from a stored battery (secondary battery), and the operation is performed using the constantly supplied power.
However, while audio playback processing is being performed, A
When the ACC detection circuit 12 detects that the power supply linked to the CC switch has been turned off, the audio playback processing is interrupted based on the control of the audio controller 11. In this example,
When the ACC detection circuit 12 detects that the power supply interlocked with the ACC switch has changed to the off state, the audio controller 11 sends a signal to the hands-free controller 2 described later.
When it is detected that the mobile phone terminal 30 is connected to the hands-free unit 20 in the communication with the communication device 1, the buzzer 17 outputs a warning beep under the control of the audio controller 11.

The hands-free unit 20 connected to the audio device 10 includes a hands-free controller 21 for controlling the entire hands-free unit 20. The hands-free unit 20 connects the mobile phone terminal 30 with a connection plug provided at an end of a predetermined cable. This connection plug
The voice input / output terminal of the mobile phone terminal 30 is connected to supply the voice signal for call received by the mobile phone terminal 30 to the hands-free unit 20 and the voice signal for call is supplied from the hands-free unit 20 to the mobile phone terminal. 30 to be ready for transmission. Further, control data necessary for outgoing and incoming calls may be transmitted between the hands-free unit 20 and the mobile phone terminal 30. When a plug is connected to the voice input / output terminal of the mobile phone terminal 30, for example, a speaker or microphone for a call built in the mobile phone terminal 30 is not used.

The hands-free unit 20 of this embodiment is
Here, a detection switch 22 that detects the attachment / detachment of the mobile phone terminal 30 and outputs it to the hands-free controller 21 is provided, and a microphone 24 that picks up a sound and outputs an audio signal during a hands-free call is connected. As the detection switch 22, for example, when the portable telephone terminal 30 is connected to the hands-free unit 20, the presence of the portable telephone terminal 30 is detected by some switch means, or the portable telephone terminal 30 is detected. Some switch means may be incorporated in the connection plug to be connected to the terminal, and the presence or absence of connection of the connection plug to the terminal of the mobile phone terminal 30 may be detected. Further, as the detection switch 22,
The connection of the mobile phone terminal 30 is established by some method (for example, the terminal 3
A switch means (or a detection means instead of the switch means) for electrically detecting when the data is transmitted between 0 and the unit 20) may be used.

The connection between the audio device 10 and the hands-free unit 20 is performed by connecting a hands-free controller 21 included in the hands-free unit 20 and the audio controller 11 included in the audio device 10 by, for example, a predetermined bus line. , And transmit and receive signals to and from each other. Here, as data transmitted between the audio controller 11 and the hands-free controller 21, in addition to bidirectional transmission of various control data, from the hands-free controller 21,
The audio signal supplied from the mobile phone terminal 30 and the detection data of the detection switch 22 are transmitted. The power supply for operating the hands-free unit 20 is also supplied from the audio device 10 here.

FIG. 2 shows an example of a situation in which the hands-free unit 20 of the present embodiment is installed. For example, the hands-free unit 20 is installed on the side of the driver's seat at the foot of the passenger seat by, for example, bonding. Or you may install in space, such as a lower part of a seat. When connecting to the hands-free unit 20 of the present example, the desired mobile phone terminal 30 connected to the hands-free unit 20 is connected by, for example, a connection plug 42 provided at an end of a cable 41. For example, it is fixed and installed by inserting it into a car holder 43 that holds the telephone terminal 30. In the present example, the car holder 43 is fixedly installed in, for example, a small case between the driver's seat and the passenger's seat by using, for example, a belt 44 for attaching the car holder 43 or the like.

The microphone 24 is connected to the hands-free unit 20 via a cable 46 here. The microphone 24 is attached to, for example, a sun visor 45 provided at a location where a driver can sense a voice spoken in a normal posture taken during driving, in this case, a front upper portion of a driver's seat. The connection between the hands-free unit 20 and the audio device 10 is also made by a predetermined cable 47. The key lock switch 48 for detecting the state by the ACC detection circuit 12 in the audio device 10 is attached, for example, to the side of a steering wheel.

A description will be given of a processing state when a desired portable telephone terminal 30 is connected to the hands-free unit 20 of the present embodiment and a hands-free call is made. In this embodiment, voices picked up by the microphone 24 installed in the sun visor 45 are extracted. Hands-free unit 20 via cable 46 as an audio signal
To the mobile phone terminal 30 via the cable 41.
To supply. Then, the mobile phone terminal 30 performs signal modulation and the like. Here, a wireless signal in which audio data is modulated is transmitted from an antenna 31 provided in the mobile phone terminal 30. Also,
The received signal received by the antenna 31 provided in the mobile phone terminal 30 is subjected to signal processing such as demodulation by the mobile phone terminal 30,
The signal-processed audio signal is supplied to the hands-free unit 20 via the cable 41, supplied from the hands-free unit 20 to the audio device 10, and outputs audio and the like from the speaker device 19 connected to the audio device 10.

That is, a person sitting in the driver's seat of the automobile 40 in which the hands-free unit 20 of this embodiment is installed listens to the other party by voice output from the speaker device 19, and here, gets in the driver's seat. Talking to the other party near the microphone 24 installed in the sun visor near the mouth of the person,
Make a so-called hands-free call.

An example of processing for preventing the portable telephone terminal 30 connected to the hands-free unit 20 of this embodiment from being left behind will be described with reference to the flowchart of FIG. 3. In step S51, the detection switch 22 is turned on (here, In the state, the mobile phone terminal 30 is connected) to off (here, the mobile phone terminal 30 is not connected).
Is determined by, for example, the hands-free controller 21 checking the state of the detection switch 22 at a predetermined cycle. In this step S51, the detection switch 2
2 is changed from on to off, in step S52, the hands-free controller 21
Outputs to the audio controller 11 a signal indicating that the mobile phone terminal 30 is not connected (hereinafter, referred to as a no-mobile signal). In this case, the audio controller 11 holds the no-carry signal here.

On the other hand, in step S51, the detection switch 2
If it is determined that the switch 2 has not changed from on to off, in step S53, it is determined whether or not the detection switch 22 has changed from off to on by, for example, the hands-free controller 21 in a predetermined cycle.
Check the status of. If it is determined in step S53 that the detection switch 22 has changed from off to on, in step S54, the hands-free controller 21 outputs a signal indicating that the mobile phone terminal 30 is connected (hereinafter, referred to as a mobile presence signal). ) Is output to the audio controller 11. In this case, the audio controller 11 holds the mobile presence signal here. On the other hand, if it is determined in step S53 that the detection switch 22 has not changed from off to on, the state of the detection switch 22 has not changed from the previous determination result, for example, so that no signal is output here. finish. Note that the initial state of the detection switch 22 is maintained, for example, when a system including the hands-free unit 20 and the audio device 10 is activated, for example, so as to output a signal indicating whether or not there is a mobile phone.

Then, as shown in the flow chart of FIG. 4, for example, in step S61, the audio controller 11 checks at a predetermined cycle whether or not the detection output of the ACC detection circuit 12 indicates that the ACC switch is off. If the signal indicating that the ACC switch is off is received, it is determined whether or not the portable telephone terminal 30 is connected to the hands-free unit 20 in step S62. That is, here, the audio controller 11 is the hands-free controller 2.
From 1, for example, it is determined whether or not the signal received and held is a signal indicating that there is a mobile phone. If the signal is a portable signal, the buzzer 17 outputs, for example, a beep sound under the control of the audio controller 11 in step S63. The output of the warning sound such as a beep sound is performed, for example, until the signal indicating that the mobile phone is present is changed to the signal indicating that the mobile phone is not present. Alternatively, if there is no change for more than a predetermined time while the mobile presence signal remains, the output of a warning sound such as a beep sound is stopped after the predetermined time has elapsed. On the other hand, in step S62, if the signal received from the hands-free controller 21 is a no-carry signal, the process ends here.

By performing such processing, the automobile 40
When the mobile phone terminal 30 is still connected to the hands-free unit 20 when the ACC switch is turned off, a warning sound, for example, a beep sound can be output to call attention, and this hands-free unit By removing the key from the key lock switch when the user 20 leaves the car, it is possible to prevent the mobile phone terminal 30 from being left in the vehicle. In addition, the mobile phone terminal 3
It is possible to prevent the mobile phone terminal 30 from being left in a place exposed to direct sunlight without accidentally leaving 0 in the vehicle. In this case, in this example, the audio device 10 mounted on the automobile 40 is
The above effects can be realized with a simple configuration using the ACC detection circuit 12 and the like provided in the above.

In the first embodiment, the audio controller 11 is provided with the hands-free controller 2.
1 to control the output of the detection switch 22 to output a warning sound from the buzzer 17 in a predetermined case. However, the hands-free controller 21 detects the detection signal of the ACC detection circuit 12 from the audio controller 11. The output may be received, and a warning sound may be output under the control of the hands-free controller 21. In this case, a buzzer that outputs a warning sound may be built in the hands-free unit 20.

Further, in the above description, the hands-free unit is used in combination with the audio equipment. However, the hands-free unit can be combined with other equipment installed in the vehicle to enable hands-free communication. You may. For example, a hands-free unit is connected to a navigation device that performs positioning of a vehicle position and a road map is displayed, and calls of a mobile phone terminal connected to the hands-free unit are communicated using a speaker or the like included in the navigation device. Alternatively, the warning sound may be output from the navigation device.

Next, a second embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.

FIG. 5 is a block diagram showing the configuration of the hands-free unit of this embodiment and its surroundings. The hands-free unit 70 of this example is installed in a mobile object (here, an automobile). The hands-free unit 20 is provided with an antenna 81 for receiving and receiving a wireless signal, and a mobile phone terminal 80 for performing wireless communication. Are connected and used.

The hands-free unit 70 includes a hands-free controller 71 for controlling the entire hands-free unit 70. This controller 71
The control for hands-free communication is performed, and the control for countermeasures against misplacement of the mobile phone terminal 80 described later is performed. The hands-free unit 70 includes a mobile phone terminal 80.
Are connected, for example, by a connection plug provided at the end of the cable. The connection plug is connected to a voice input / output terminal of the mobile phone terminal 80 to supply a voice signal for a call received by the mobile phone terminal 80 to the hands-free unit 70 and to control a voice signal for a call from the hands-free unit 70 side. The signal is supplied to the mobile phone terminal 80 to be transmitted. Further, a configuration may be adopted in which control data necessary for outgoing and incoming calls is transmitted between the hands-free unit 70 and the mobile phone terminal 80. When the plug is connected to the audio input / output terminal of the mobile phone terminal 80, for example, a speaker or microphone for a call built in the mobile phone terminal 80 is not used.

The hands-free unit 70 here includes a detection switch 72 for detecting the attachment / detachment of the portable telephone terminal 80 and outputting it to the hands-free controller 71, and a speaker 73 for hands-free communication and the like. , A microphone 74 for hands-free communication is connected. The microphone 74 is installed, for example, at a position where a person sitting in the driver's seat of the car can pick up the voice of the driver (for example, a sun visor disposed in the upper front part of the driver's seat).

For example, when the portable telephone terminal 80 is connected to the hands-free unit 70, the detection switch 72 detects that the portable telephone terminal 80 is in a place where the portable telephone terminal 80 is placed by using some switch means, or detects whether the portable telephone terminal 80 is located. Some switch means may be incorporated in a connection plug for connecting the hands-free unit 70 to the telephone terminal 80, and whether or not this connection plug is connected to the terminal of the mobile telephone terminal 80 may be detected. In addition, the detection switch 72 is used to connect the mobile phone terminal 80 to the mobile phone terminal 80 by some method (for example, the terminal 80).
Switch means (or a detection means in place of the switch means) for electrically detecting the data in the data transmission state between the switch and the unit 70 may be used. The speaker 73 may be provided outside the hands-free unit 70 and connected.

Further, the hands-free controller 71
Detects the supply of power based on the state of the ACC switch of a key lock switch 90 (for example, a switch into which an engine key is inserted) of an automobile using the hands-free unit 70, and sends the detection signal to the hands-free controller 71. An ACC detection circuit 75 to be supplied and an operation switch 76 for performing a predetermined operation such as a hands-free unit
And

The hands-free unit 70 of this embodiment is configured to be constantly supplied with power from a battery mounted on an automobile, for example. Alternatively, the power supply such as a dry battery may be built in the hands-free unit 70 so that the power supply is always supplied regardless of the state of the vehicle.

When a desired portable telephone terminal 80 is connected to the hands-free unit 70 of the present embodiment to make a call, a voice signal picked up by the microphone 74 is transmitted to the hands-free unit 70.
To the mobile phone terminal 80 via Then, the mobile phone terminal 80 performs signal modulation and the like, and here, wireless transmission is performed from an antenna 81 provided in the mobile phone terminal 80. Further, the mobile phone terminal 80 performs signal processing such as demodulation on the received signal received by the antenna 81 provided in the mobile phone terminal 80, and converts the audio signal included in the received signal into the hands-free unit 70.
, And outputs a sound or the like through a speaker 73 built in the hands-free unit 70.

That is, a person sitting in the driver's seat of the car in which the hands-free unit 70 of the present embodiment is installed listens to the other party by voice output from the speaker 73 and, for example, a person sitting in the driver's seat The user talks in a normal driving posture or the like, like talking to the other party near the microphone 74 installed near the user.

The process for preventing the portable telephone terminal 80 connected to the hands-free unit 70 of this example from being left behind will be described with reference to the flowchart of FIG. 6. In step S111, the hands-free controller 71 It is checked at a predetermined cycle, for example, whether the detection output of the ACC detection circuit 75 is an output signal indicating that the ACC switch is off, and if an output signal indicating that the ACC switch is off is received, the step S1
In step 12, it is determined whether the detection switch 72 is off (here, the mobile phone terminal 80 is not connected). In this case, for example, the detection switch 72 outputs a signal indicating whether or not there is a portable signal to the hands-free controller 71 when the detection switch 72 is turned on or off. The determination is made based on these signals by holding the no-mobile signal. The initial state of the detection switch 72 is maintained such that, for example, when the hands-free unit 70 is activated, for example, a signal indicating whether or not the mobile phone is present is output.

In step S112, if the detection switch 72 is in the OFF state, here, for example, if the signal held by the hands-free controller 71 is the presence signal, then in step S113, the hands-free controller 71 For example, a predetermined oscillation waveform is output to the speaker 73. Then, the speaker 73 outputs a predetermined warning sound based on the received oscillation waveform. On the other hand, in step S112, if the detection switch 72 is on, here, for example, if the signal held by the hands-free controller 71 is a no-carry signal, the process ends here without any warning. .

With such a configuration, the AC
If the mobile phone terminal 80 remains connected to the hands-free unit 70 when the C-switch is turned off, for example, a predetermined warning sound can be output to alert the user. When the user leaves the car, the mobile phone terminal 80 can be prevented from being left in the vehicle. Also, the mobile phone terminal 80
Without accidentally leaving it in the car,
It is possible to prevent the mobile phone terminal 80 from being left in a location exposed to direct sunlight.

In each of the above-described embodiments, a process has been described in which a hands-free unit for connecting a portable telephone terminal for hands-free communication is warned that the terminal is connected. In the case of a connection device that connects a mobile phone terminal to other devices of
When the key lock switch is in a predetermined state, a warning may be issued that the mobile phone terminal is left connected and left. For example, a mobile phone terminal is connected to a navigation device installed in a vehicle to supply traffic information and the like obtained from a telephone line to the navigation device, or a display device (television receiver, A device for connecting a mobile phone terminal, for example, in a case where a mobile phone terminal is connected to a display device for a navigation device and information on each Internet homepage obtained from the telephone line side is displayed on the display device. When the state of the key lock switch is detected and the vehicle (mobile body) detects a predetermined state when not in use, and when the state where the mobile phone terminal remains connected is detected, a warning process is performed. It may be performed. Further, various communication terminals other than the mobile phone terminal may be used as connected terminals.

Further, in each of the above-described embodiments, a warning is given by a beep sound, but a warning may be given by another method. For example, voice synthesis may warn that "the mobile phone is still connected". Further, the warning may be given by a method other than the sound, for example, a display by the display means.

Further, in each of the above embodiments, the present invention is used in an automobile. However, the present invention is not limited to an automobile and may be used in various moving objects. Further, in the above-described embodiment, the signal is output when the state of the detection switches 22 and 72 changes, but not only when the state changes, but also when the hands-free controller 2 is changed.
1 and 71 to output the state of the switch at a predetermined cycle.
1 and the audio controller 11 may hold the latest information.

[0043]

According to the first aspect of the present invention, the portable communication terminal is connected when the mobile object is put into a non-use state by operating the key lock switch provided on the mobile object. When connected, a predetermined warning process is performed, and it is possible to effectively prevent the mobile communication terminal in the vehicle of the mobile object from being left behind.

According to the invention described in claim 2, in the invention described in claim 1, the output process is a process of emitting a sound signal supplied from the portable communication terminal from a speaker, and the input process is a microphone. The mobile communication terminal is connected to a hands-free unit that connects the mobile communication terminal to perform a so-called hands-free call, because the mobile communication terminal is connected to the mobile communication terminal to perform a so-called hands-free call Can be effectively prevented.

According to the third aspect of the present invention, in the second aspect of the present invention, as a process of emitting sound from the speaker, an audio signal is supplied to a predetermined audio output device, and the speaker provided in the audio output device is provided. When the audio device is used to configure a hands-free unit, it is possible to effectively prevent the portable communication terminal from being left connected to the hands-free unit.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a first exemplary embodiment of the present invention.

FIG. 2 is a diagram showing an example of installation in an automobile in the first embodiment of the present invention.

FIG. 3 is a flowchart illustrating an operation example of the hands-free controller according to the first embodiment of the present invention.

FIG. 4 is a flowchart illustrating an operation example of the audio controller according to the first embodiment of the present invention.

FIG. 5 is a block diagram showing a configuration of a second exemplary embodiment of the present invention.

FIG. 6 is a flowchart illustrating an operation example of a hands-free controller according to the second embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Audio equipment, 11 ... Audio controller, 12,75 ... ACC (accessory) detection circuit, 17
... buzzer, 19 ... speaker device, 20, 70 ... hands-free unit, 21, 71 ... hands-free controller, 22, 72 ... detection switch, 30, 80 ... mobile phone terminal, 48, 90 ... key lock switch

Claims (3)

[Claims] 1. A portable communication terminal connection device for connecting a portable communication terminal and performing a process of outputting a signal received by the portable communication terminal and a process of inputting a signal to be transmitted by the portable communication terminal. Terminal connection detecting means for detecting a connection, key lock switch detecting means for detecting a state linked to a key lock switch of a predetermined moving object, and detecting that the portable communication terminal is connected by the terminal connection detecting means. When the key lock switch detecting means detects a predetermined state when the moving body is not used,
A portable communication terminal connection device comprising: a control unit that performs a predetermined warning process. 2. The mobile communication terminal connection device according to claim 1, wherein the output process is a process of outputting a sound signal supplied from the mobile communication terminal from a speaker, and the input process is performed by a microphone. A portable communication terminal connection device, which is a process of supplying an audio signal obtained by picking up a sound to the portable communication terminal. 3. The portable communication terminal connection device according to claim 2, wherein, as the process of emitting sound from the speaker, an audio signal is supplied to a predetermined audio output device, and the sound is output from the speaker of the audio output device. Mobile communication terminal connection device.