JP2002012091A - Hand-free device and portable telephone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use a portable telephone as carrying and to make automatically a radio connection of the portable telephone of a user with a hand-free device only when the user sits in a driver's seat. SOLUTION: The hand-free device capable of communicating with the portable telephone 20 having a short-range radio communication device 202 comprises a short-range radio communication device 104 capable of communicating with the short-range radio communication device of the portable telephone, a driver detecting sensor 101 adapted to detect a state that the user sits in the driver's seat of an automobile and a hand-fee control part 100 to connect to the portable telephone carried by the user by the short-range radio communication device when it is confirmed that the user sits in the driver's seat of the automobile on the basis of a detected output of the driver detecting sensor for being capable of controlling the portable telephone by operation in the hand-free device side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hands-free device and a hands-free device that enable a user of a portable telephone to talk on a vehicle without having to hold the portable telephone when driving a car. For compatible mobile phones. In this specification, a mobile phone means not only a so-called mobile phone but also a PHS (Personal Handyphone System).
Etc. shall be included.

[0002]

2. Description of the Related Art A conventional in-vehicle hands-free device for a portable telephone transmits and receives a voice signal to and from a portable telephone via an external interface unit of the portable telephone. Since the external interface is an interface for a wired connection, when a mobile phone user drives a car, the mobile phone is taken out of a breast pocket or the like at the time of boarding and attached to a hands-free device, and the hands-free device at the time of getting off. It is necessary to remove the mobile phone from the device and carry it.

Recently, as a short-range wireless communication technology, Blue
Attention has been paid to the tooth and the like, and it is in the situation that the device is actually mounted on the device soon, and it is considered that wireless connection between the portable telephone and the hands-free device by short-range wireless communication can be easily realized.

[0004]

In the above-described conventional hands-free device, it is necessary to use the device by connecting it to a mobile phone via an external interface by wire. There is a problem that it is necessary to connect and disconnect the devices by wire. Also, when using a hands-free device, it is necessary to attach the mobile phone to the in-vehicle hands-free device. There is also a problem that there is a risk that the mobile phone will be sparse, and there is a risk that the mobile phone may be left in the vehicle when getting off the vehicle.

On the other hand, when it is assumed that a wireless connection between a mobile phone and a hands-free device by short-range wireless communication is used, a mobile phone and a hands-free device are only provided with short-range wireless communication means. It is not possible to determine whether the telephone user is outside or inside the car, and when the call arrives, the ringing tone sounds only on the hands-free device side while the user is outside the car, and no response on the mobile phone side However, there is a problem that the user may not notice the incoming call without giving a notice.

The present invention has been made in view of such circumstances, and when a user of a portable telephone uses the hands-free device, the portable telephone can be connected without a wired connection between the portable telephone and the hands-free device. It is an object of the present invention to provide a hands-free device and a mobile phone that can be used while being carried and that can automatically wirelessly connect a user's mobile phone and a hands-free device only when sitting in a driver's seat of a car. I do.

[0007]

According to one aspect of the present invention, there is provided a hands-free device capable of communicating with a portable telephone having short-range wireless communication means. A short-range wireless communication unit capable of communicating with the short-range wireless communication unit; a driver detection unit configured to detect a state in which the user is seated in a driver's seat of the vehicle; and a user based on a detection output of the driver detection unit. When it is confirmed that the user is in the driver's seat of the car, the short-range wireless communication means automatically connects to the mobile phone carried by the user, and the mobile phone can be controlled by operating the hands-free device. And control means.

According to the first aspect of the present invention, there is provided a hands-free device capable of communicating with a portable telephone having short-range wireless communication means, wherein the short-range wireless communication is possible with the short-range wireless communication means of the portable telephone. Communication means, driver detection means for detecting a state in which the user is seated in the driver's seat of the vehicle, and when it is confirmed that the user is in the driver's seat of the vehicle based on the detection output of the driver detection means Has a control means for automatically connecting to the mobile phone carried by the user by the short-range wireless communication means and enabling control of the mobile phone by operation on the hands-free device side. When the user uses the hands-free device, he / she can use the mobile phone without carrying a wired connection between the mobile phone and the hands-free device and sits in the driver's seat of the car. It can automatically wirelessly connect the user of the mobile phone and hands-free device only.

The invention described in claim 2 is the first invention.
In the hands-free device according to the above, further, an operation key for instructing a telephone function and an operation mode for automatically performing a wireless connection with the mobile phone are set, or a mode setting / cancellation for canceling the operation mode is set. An operating unit having a canceling unit, wherein the control unit is configured to control the short-range wireless communication unit when the mode setting / cancelling unit is set to an operation mode for automatically performing a wireless connection with the mobile phone. Automatically connects to a mobile phone carried by the user.

According to the second aspect of the present invention, further, an operation mode for instructing a telephone function and an operation mode for automatically making a wireless connection with the portable telephone are set, or the operation mode setting is released. An operation unit having a mode setting / cancellation unit for performing the operation, wherein the control unit is set to an operation mode for automatically performing a wireless connection with the mobile phone by the mode setting / cancellation unit; Because the short-range wireless communication means automatically connects to the mobile phone carried by the user, the user of the mobile phone sits in a seat other than the driver's seat of the car, and another person is in the driver's seat. By operating the mode setting / cancelling means to cancel the operation mode for automatically making a wireless connection with the mobile phone when the user is seated, the hands-free device is not used in the vehicle. It can communicate with the mobile telephone alone.

[0011] The invention according to claim 3 is based on claim 1.
Or in the hands-free device according to any one of 2, the control means, when a wireless connection request is received from the mobile phone, sends a transmission request for identification information for identifying the mobile phone to the mobile phone. When the identification information is received from the mobile phone, the wireless connection is made only when the received identification information matches the identification information registered in advance.

According to the third aspect, when there is a wireless connection request from the mobile phone, the control means sends a transmission request for identification information for identifying the mobile phone to the mobile phone, When the identification information is received from the mobile phone, the wireless connection is made only when the received identification information matches the identification information registered in advance,
Wireless connection can be made only with the user's mobile phone registered in advance.

The invention described in claim 4 is the first invention.
4. The hands-free device according to any one of claims 1 to 3,
The control means, when a user carrying the mobile phone leaves the driver's seat after the wireless connection with the mobile phone is established, control information for instructing the mobile phone to function alone. Is transmitted to the mobile phone by the short-range wireless communication means.

According to the fourth aspect of the present invention, when the user carrying the mobile phone leaves the driver's seat after the wireless connection with the mobile phone has been established, Since the control information for instructing the mobile phone to function alone is sent to the mobile phone by the short-range wireless communication means, when the user of the mobile phone leaves the driver's seat, the control information is transmitted. , The mobile phone can be switched to operate independently.

The invention described in claim 5 is the first invention.
In the hands-free device according to any one of (1) to (3), when the user carrying the mobile phone leaves the driver's seat after the wireless connection with the mobile phone has been established, the control unit may control the mobile phone. Control information for instructing the mobile phone to function alone is transmitted to the mobile phone by the short-range wireless communication means, and when the user is seated again in the driver's seat, a wireless connection process with the mobile phone is performed. It is characterized by the following.

According to the invention described in claim 5, when the user carrying the mobile phone leaves the driver's seat after the wireless connection with the mobile phone is established, Control information for instructing the mobile phone to function alone is transmitted to the mobile phone by the short-range wireless communication means, and when the user is seated again in the driver's seat, wireless communication with the mobile phone is performed. Since the connection process is performed, when the user of the mobile phone leaves the driver's seat, it is possible to switch so that the mobile phone operates alone based on the control information, and again, the user When sitting in the driver's seat, the hands-free device and the mobile phone carried by the user can be automatically wirelessly connected.

The invention described in claim 6 is the first invention.
A hands-free device according to any one of claims 1 to 5,
The control means, when receiving a power-off instruction which is an instruction to turn off the power of the hands-free device, notifies the mobile phone side by the short-range wireless communication means that the power of the hands-free device is turned off. Then, the power of the hands-free device is turned off.

According to the present invention, the control means turns off the power of the hands-free device when receiving a power-off command which is an instruction to turn off the power of the hands-free device. The power of the hands-free device is turned off after the mobile phone is notified by the short-range wireless communication means. The user's mobile phone wirelessly connected to the device can be switched to a state in which a call can be made independently.

The invention according to claim 7 is the first invention.
A mobile phone having short-range wireless communication means capable of communicating with the hands-free device according to the above, wherein the hands-free mode is set to a hands-free mode for making a call using the hands-free device, or the hands-free mode is canceled. Operating means having a mode setting / release key, and control means for controlling each part, wherein the control means, when the hands-free mode is set by operating the hands-free mode setting / release key, A process for establishing a wireless connection with the hands-free device is performed via the short-range wireless communication unit.

According to the invention of claim 7, according to claim 1,
A mobile phone having short-range wireless communication means capable of communicating with the hands-free device according to the above, wherein the hands-free mode is set to a hands-free mode for making a call using the hands-free device, or the hands-free mode is canceled. Operating means having a mode setting / cancellation key; and control means for controlling each section, wherein the control means establishes a wireless connection with the hands-free device when the hands-free mode setting key is operated. Is performed through the short-range wireless communication means, so that when the user of the mobile phone uses the hands-free device, the mobile phone and the hands-free device are not connected by wire, and the It can be used with the phone carried, and automatically connects the user's mobile phone to the hands-free device only when sitting in the driver's seat of the car. It can be.

The invention described in claim 8 is the same as the invention described in claim 7.
In the mobile phone described in the above, the control means, when the user leaves the driver's seat after the wireless connection with the hands-free device is established, so that the mobile phone functions alone from the hands-free device When receiving control information to instruct, the voice data path is switched from the hands-free device to the mobile phone.

According to the present invention, when the user leaves the driver's seat after the wireless connection with the hands-free device has been established, the control means controls the portable telephone by the hands-free device. Is switched from the hands-free device side to the mobile phone side when receiving control information instructing that the device functions alone, so that when the user leaves the driver's seat, It is possible to make a call using the mobile phone carried by the person alone.

The invention according to claim 9 is the same as the invention according to claim 7.
Or in the mobile phone according to any one of the items (8) to (11), after the wireless connection with the hands-free device is established, the hands-free device is a power-off command that is an instruction to turn off the power of the hands-free device. When receiving a notification from the hands-free device that the power of the hands-free device is turned off, the voice data path is switched from the hands-free device to the mobile phone.

According to the ninth aspect of the present invention, after the wireless connection with the hands-free device is established, the control unit may control the power-off of the hands-free device by issuing an instruction to turn off the power of the hands-free device. When receiving a command, when receiving a notification from the hands-free device to turn off the power of the hands-free device, since the path of the voice data is switched from the hands-free device side to the mobile phone side, When the power of the hands-free device is turned off, the user's mobile phone that has been wirelessly connected to the hands-free device is switched to a state in which it is possible to talk independently, and the user talks using the mobile phone alone. It becomes possible.

[0025]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a schematic configuration of a hands-free device according to an embodiment of the present invention. In the figure, a hands-free device includes a hands-free device main body 11 in which a circuit unit such as a hands-free control unit and a voice codec is mounted, a microphone 102 that collects a driver's voice,
It comprises a speaker 103 that emits the voice of the other party and a short-range wireless communication device 104, which are mounted in the cabin of the automobile 1.

When the driver carrying the mobile phone 20 (user of the mobile phone 20) sits in the driver's seat 2, the driver is seated by the driver detection sensor 101 provided in the driver's seat. Is detected, and the driver detection sensor 101
Is automatically connected via the short-range wireless communication device 104 between the hands-free device and the mobile phone 20 carried by the driver 4 on the basis of the detection output.

Next, FIG. 2 shows an electrical configuration of the hands-free device according to the embodiment of the present invention. In FIG. 1, a hands-free device 10 includes a hands-free control unit 100 that controls each unit, and a driver (user) 4 that controls a driver's seat 2 of a car.
Detection sensor 101 for detecting a state of being seated on the vehicle
And a microphone 102 that collects the voice of the user 4 during a call
And a speaker 103 for outputting voice from the other party during a call
And a short-range wireless communication device 104 capable of communicating with a short-range wireless communication device built in the mobile phone 20 carried by the user 4, and an operation unit 105. As the driver detection sensor 101, for example, a load sensor attached to a driver's seat can be used.

An operation unit 105 is an operation key for instructing a telephone function, for example, a call key 105 for starting a call.
A, an end key 105B for ending a call, an operation mode for automatically performing a wireless connection with the mobile phone 20;
Or the automatic connection setting /
A release key 105C (corresponding to the mode setting / release means of the present invention) is provided. Also, the hands-free device 10
The telephone number storage unit 106 stores a telephone number as identification information of the mobile phone 20 carried by the user 4 using the hands-free device 10. It has a ringing tone generator 107 for generating a ringing tone and a voice codec 120.

It is assumed that a user who uses the hands-free device 10 registers a telephone number in advance in the telephone number storage unit 106 as identification information of his / her own portable telephone. In the present embodiment, a telephone number is used as identification information of a mobile phone. However, the present invention is not limited to this, and any information that can identify each mobile phone may be used. The audio codec 120 converts the audio signal output from the microphone 102 into an A /
A / D converter 110 for D-converting and converting to PCM code
And a D / A converter 111 that decodes a PCM code signal received from the mobile phone 20 and converts the signal into an analog audio signal.

The portable telephone 20 wirelessly connected to the hands-free device 10 includes an antenna 200 for communicating with the base station 30, a transmitting / receiving unit and a control unit 201, and a short-range wireless communication device 104 in the hands-free device 10. Short-range wireless communication device 202 capable of communicating with
, A microphone 204, a speaker 204, an audio codec 210, and switches 220, 2 for switching an audio path.
21.

The operation unit 203 sets a hands-free mode for making a call using the hands-free device 10 in addition to keys such as a numeric keypad, various function keys, and a power key, and cancels the setting of the hands-free mode. It has a hands-free mode setting / cancellation key 203A. When the hands-free device 10 is set to the operation mode for automatically performing wireless connection by the automatic connection setting / cancellation key 105C, the mobile phone 20 is set to the hands-free mode by the hands-free mode setting / cancellation key 203A. Then, wireless connection is automatically established between the mobile phone 20 and the hands-free device 10 as described later.

An audio codec 210 A / D converts an audio signal output from the microphone 204 and converts it into a PCM code, and decodes the received PCM code signal to obtain an analog audio signal. Convert to D /
A converter 207. Short-range wireless connection device 2
02 is connected to the contact b side of the switches 220 and 221, and switches 220 and 22 that are switch-controlled by a control signal output from the transmission / reception unit and the control unit 201.
1 so as to be connectable to the transmission / reception unit and the control unit 201. The output side of the A / D converter 206 is connected to the contact a of the switch 220, and the input side of the D / A converter 207 is connected to the contact a of the switch 221.

The operation up to the wireless connection between the hands-free device 10 and the portable telephone 20 in the above configuration will be described with reference to the flowchart of FIG. In FIG. 1, when the power of a hands-free device 10 mounted on the vehicle 1 is turned on by operating an ignition key or a remote control of the vehicle, a driver detection sensor 101 installed in the vehicle determines whether or not the driver is seated. It is detected (step 300). On the other hand, the mobile phone 20 carried by the user 4 is in a standby state, and if the mobile phone 20 is not set to the hands-free mode, another process is performed (step 302). That is, the mobile phone 20 operates so as to function independently of the hands-free device 10.

When the mobile phone 20 is set to the hands-free mode, the transmitting / receiving unit and the control unit 201
Hands-free device 1 via short-range wireless communication device 202
0 sends a wireless connection request to the hands-free device 2
When the hands-free control unit 100 detects that the driver is seated, the short-range wireless communication device 104
(Step 30)
3, 304). Next, the hands-free control unit 100
A request for transmitting identification information unique to the mobile phone 20 is sent to the mobile phone 20 (step 305).

In the mobile phone 20, the hands-free device 1
A request for transmission of identification information from 0 is received, and the identification information (a telephone number in the present embodiment) is transferred to the hands-free device 20 (steps 306 and 307). The hands-free control unit 100 receives the identification information transferred from the mobile phone 20 and stores the identification information (telephone number) in the telephone number storage unit 10.
6 is compared with a telephone number registered in advance, and it is confirmed whether the telephone number is a registered telephone number (step 308). Then, when the identification information received from the mobile phone 20 is registered, the hands-free control unit 100 notifies the mobile phone 20 of the comparison result (step 309,
310).

On the other hand, in the mobile phone 20, the transmitting / receiving unit and the control unit 201 receive the collation result from the hands-free device 10, and indicate that the collation result is received.
(Steps 311 and 312). The hands-free control unit 100 confirms this response and establishes a wireless connection between the hands-free device 10 and the mobile phone 20. In this way, when the wireless connection is established between the hands-free device 10 and the mobile phone 10 by the short-range wireless communication devices 104 and 202, the mobile phone 20 sends the switches 220 and 221 from the transmitting / receiving unit and the control unit 201. , And the switches 220 and 221 are switched from the contact a to the contact b.

As a result, in the portable telephone 20, the path of the voice data is connected to the input side of the short-range wireless communication device 202 from the path connected to the voice codec 210 in the portable telephone 20 on both the receiving side and the transmitting side. Switch to pass. When the hands-free control unit 100 determines that the identification information received from the mobile phone 10 is not registered in the telephone number storage unit (step 309), the mobile phone 2
0 is refused, and the wireless connection between the hands-free device 10 and the mobile phone 20 is not established (step 314).

Next, the operation from the point of receiving an incoming call to the end of the call in a state where the wireless connection is established between the hands-free device 10 and the mobile phone 20 will be described with reference to the flowchart shown in FIG. explain. In the figure, in the mobile phone 20, when there is no incoming call, the transmission / reception unit and the control unit 201 perform other processing (steps 400 and 40).
1). When there is an incoming call, an incoming call notification is made to the hands-free device 10 (steps 400 and 40).
2). The hands-free control unit 100 receives the incoming call notification, activates the ring tone generation unit 107, generates a ring tone,
The driver 4 (user of the mobile phone registered in the hands-free device) 4 is notified that there is an incoming call to the mobile phone (mobile phone registered in the hands-free device) 20 of the driver 4 (steps 403 and 404).

When the user 4 of the mobile phone 20 operates the call key 105A on the operation unit 105 of the hands-free device 10, the state in which the call key 105A is operated is notified to the mobile phone 20 (step 405). , 40
6). In the mobile phone 20, the transmitting / receiving unit and the control unit 201
Receives the operation information of the call key 105A, and the mobile phone 20 shifts from the incoming call notification state to the call state (steps 407 and 408). On the other hand, in the hands-free device 10,
Microphone 10 on the side of hands-free device 10 mounted in the car
2. Activate the speaker 103 (step 409).

As a result, in the hands-free device 10, the hands-free device 1 is used as the receiving side voice via the voice codec 120 in the hands-free device 10 installed in the vehicle.
0 of the hands-free device 10
The voice signal on the transmitting side from the microphone 102 on the transmitting side is transmitted to the mobile phone 20 side as the transmitting side voice data via the voice codec 120, the hands-free control unit 100 and the short-range wireless communication device 104 in the hands-free device 10. State. In this state, the driver 4 makes a call using the microphone 102 and the speaker 103 of the hands-free device 10.

At the end of the call, the hands-free device 1
When the end key 105B of the operation unit 105 at 0 is operated (Step 410), the hands-free control unit 100 of the hands-free device 10 transmits the signal to the mobile phone 20 via the short-range wireless communication device 104. The fact that the end key 105B of the operation unit 105 has been operated is notified, and the operations of the microphone 102 and the speaker 103 are stopped (steps 411 and 412). On the other hand, the transmitting / receiving unit and the control unit 201 of the mobile phone 20
Upon receiving a notification that B has been operated, the call is terminated, the line is disconnected, and the system shifts to a standby state (steps 413 and 414).

Next, the operation when the driver 4 gets off the car while the power of the hands-free device is on while the wireless connection is established between the hands-free device 10 and the portable telephone 20 is shown in FIG. This will be described with reference to the flowchart of FIG. In the figure, when the driver does not get off, steps 403 to 406 and 409 shown in FIG.
To 412 (steps 500 and 501). When the driver gets off the vehicle, the hands-free control unit 100
Is the mobile phone 20 via the short-range wireless communication device 104.
Is notified that the driver is not seated (step 50).
0, 502).

On the other hand, in the mobile phone 20, the transmission / reception unit and the control unit 201 receive the notification that the driver 4 is not seated, and switch the switches 220 and 221 to the contact a side to transmit the notification. The voice data path of the talker and the receiver is switched to the mobile phone 20 so that the incoming call is also made by the mobile phone and the mobile phone shifts to a standby state (steps 503 and 50).
4, 505). Further, in the hands-free device 10, when the driver 4 is seated again, the hands-free control unit 100 again performs the connection process shown in FIG.
Between the transmitting / receiving unit and the control unit 201 (step 5
06, 507).

Next, the operation when the power of the hands-free device 10 is turned off under the condition that the wireless connection is established between the hands-free device 10 and the portable telephone 20 will be described with reference to the flowchart of FIG. explain. In the figure, when the power of the hands-free device 10 is turned off by operating an ignition key or a remote control of the vehicle before the driver gets off, the hands-free device 10 is operated by a remote control (not shown) or an ignition switch. After receiving a power-off command generated by the operation (step 600), the mobile phone 20 is notified via the short-range wireless communication device 104 that the power of the hands-free device 10 is to be turned off.
The power is turned off (steps 601 and 602).

On the other hand, the transmitting / receiving unit and the control unit 201 of the mobile phone 20 receive the notification that the power of the hands-free device 10 is turned off via the short-range wireless communication device 202 and switch the switches 220 and 221 to the contact a side. , The path of the voice data on the transmitting side and the receiving side of the mobile phone 20 is switched to the mobile phone 20 side, and the incoming call is also performed on the mobile phone side, and the mobile phone 20 shifts to a standby state (step 603). , 604).

In this embodiment, the hands-free device 1 is used.
A function for setting or canceling an operation mode for automatically wirelessly connecting the mobile phone 20 and the mobile phone 20 is provided by the hands-free device 10.
The function is provided on both the mobile phone 20 and the mobile phone 20. However, the present invention is not limited to this, and the function may be provided only on the mobile phone 20 side so that the two are automatically wirelessly connected. In this case, when the power of the hands-free device 10 is on,
When the mobile phone 20 is set to the hands-free mode (corresponding to the automatic wireless connection function), the connection processing shown in FIG. 3 is performed, and both the hands-free device 10 and the mobile phone 20 are wirelessly connected. The Rukoto.

In a state where both the hands-free device 10 and the mobile phone 20 are wirelessly connected, the mobile phone 20
If it is desired to operate alone, the hands-free mode setting / cancellation key 203A of the operation unit 203 of the mobile phone 20 may be operated to cancel the hands-free mode.

As described above, according to the hands-free device according to the present embodiment, short-range wireless communication device 1 capable of communicating with short-range wireless communication device 202 of portable telephone 20 is provided.
04, a driver detection sensor 101 for detecting a state in which the user is seated in the driver's seat of the car, and a driver detection sensor 10
When it is confirmed that the user is in the driver's seat of the car based on the detection output of No. 1, the short-range wireless communication device 104 is automatically connected to the portable telephone 20 carried by the user, and the hands-free device side Hands-free control unit 1 as control means for enabling control of the mobile phone by operation on the mobile phone
00, the user of the mobile phone can use the hands-free device without carrying out a wired connection between the mobile phone and the hands-free device. Only when seated, the user's mobile phone and the hands-free device can be automatically wirelessly connected.

Therefore, according to the hands-free device according to the present embodiment, when driving a car, the user of the portable telephone removes the trouble of taking out the portable telephone from the portion carrying the portable telephone and mounting the portable telephone on the hands-free device. be able to. In addition, it is possible to eliminate the trouble of the mobile phone user removing the mobile phone from the hands-free device when getting off after driving the car. In addition, when a mobile phone user drives a car, it is possible to prevent a risk of receiving an incoming call during driving due to forgetting to attach the mobile phone to the in-vehicle hands-free device. Furthermore, when a mobile phone user drives a car, the user can use the hands-free device while carrying the mobile phone, so that the mobile phone can be prevented from being left in the car.

According to the hands-free device of the present embodiment, an operation mode for instructing a telephone function and an operation mode for automatically making a wireless connection with the portable telephone are set, or the operation mode is set. The operation unit 105 has a mode setting / cancellation unit (automatic connection setting / cancellation key) for canceling the setting of the handset. When the operation mode is set to automatically perform wireless connection, the short-range wireless communication device automatically connects to the mobile phone carried by the user. When the driver is seated in a seat other than the driver's seat and another person is seated in the driver's seat, operating the automatic connection setting / cancellation key to release the operation mode described above. It can communicate with the mobile phone alone without using the hands-free device.

Further, according to the hands-free device according to the present embodiment, when hands-free control unit 100 receives a wireless connection request from mobile phone 20, hands-free control unit 100 controls mobile phone 2.
A transmission request for identification information specifying 0 is sent to the mobile phone 20. When the identification information is received from the mobile phone, the wireless connection is performed only when the received identification information matches the identification information registered in advance. With this configuration, it is possible to establish a wireless connection only with a user's mobile phone registered in advance.

Further, according to the hands-free device according to the present embodiment, after the hands-free control unit 100 establishes the wireless connection with the portable telephone 20, the user carrying the portable telephone can move from the driver's seat. When the user moves away, the control information for instructing the mobile phone 20 to function alone is transmitted to the mobile phone 20 by the short-range wireless communication device 104, so that the user of the mobile phone leaves the driver's seat. In this case, the mobile phone can be switched to operate independently based on the control information.

Further, according to the hands-free device according to the present embodiment, when hands-free control unit 100 receives a power-off command which is an instruction to turn off the power of hands-free device 10, hands-free device is controlled. To turn off the power of the mobile phone 20 by the short-range wireless communication device 104.
After notifying the hands-free device, the power of the hands-free device 10 is turned off. Therefore, when the power of the hands-free device is turned off, the mobile phone of the user who has been wirelessly connected to the hands-free device is used. The telephone can be switched to a state in which a telephone call can be made alone.

According to the portable telephone according to the present embodiment,
A mobile phone having a short-range wireless communication device 202 capable of communicating with the hands-free device 10, wherein the hands-free mode is set to a hands-free mode for making a call using the hands-free device, or the hands-free mode is canceled. An operation unit 203 having a setting / release key and a transmission / reception unit and a control unit 201 as control means for controlling each unit are provided. The transmission / reception unit and the control unit 201 operate when the hands-free mode setting key is operated. , Hands-free device 10
The process for establishing a wireless connection with the mobile phone is performed via the short-range wireless communication device 202, so that when the user of the mobile phone uses the hands-free device, the mobile phone and the hands-free device are connected by wire. This allows the user to use the portable telephone while carrying it, and automatically connects the user's portable telephone to the hands-free device only when sitting in the driver's seat of the car.

According to the portable telephone according to the present embodiment,
When the user leaves the driver's seat after the wireless connection with the hands-free device 10 is established, when the control information for instructing the mobile phone 20 to function alone is received from the hands-free device 10, a voice signal is output. Since the data path is switched from the hands-free device 10 side to the mobile phone 20 side, when the user leaves the driver's seat, it is possible to use the mobile phone carried by the user alone for talking. Will be possible.

According to the portable telephone according to the present embodiment,
After the wireless connection with the hands-free device 20 is established, when the hands-free device 10 receives a power-off command which is an instruction to turn off the power of the hands-free device 10, the power of the hands-free device 10 is turned off. Is switched from the hands-free device side to the mobile phone side when receiving the notification from the hands-free device 10, the hands-free device is turned off when the power of the hands-free device is turned off. The mobile phone of the user wirelessly connected to the free device is switched to a state in which it is possible to talk independently, and it is possible to use the mobile phone alone to talk.

[0057]

According to the first aspect of the present invention, there is provided a hands-free device capable of communicating with a portable telephone having short-range wireless communication means, and a short-circuit capable of communicating with the short-range wireless communication means of the portable telephone. Distance wireless communication means, driver detection means for detecting a state where the user is seated in the driver's seat of the car,
When it is confirmed that the user is in the driver's seat of the car based on the detection output of the driver detection means, automatically connected to the mobile phone carried by the user by the short-range wireless communication means, Control means for enabling control of the mobile phone by operation on the hands-free device side,
When using the hands-free device, the user of the mobile phone can use the mobile phone without carrying a wired connection between the mobile phone and the hands-free device, and can only use the mobile phone while sitting in the driver's seat of the car. Wireless connection between the portable telephone and the hands-free device can be automatically established.

According to the second aspect of the present invention, further, an operation key for instructing a telephone function and an operation mode for automatically making a wireless connection with the portable telephone are set, or the setting of the operation mode is canceled. An operation unit having a mode setting / cancellation unit for performing the operation, wherein the control unit is set to an operation mode for automatically performing a wireless connection with the mobile phone by the mode setting / cancellation unit; Because the short-range wireless communication means automatically connects to the mobile phone carried by the user, the user of the mobile phone sits in a seat other than the driver's seat of the car, and another person is in the driver's seat. By operating the mode setting / cancelling means to cancel the operation mode for automatically making a wireless connection with the mobile phone when the user is seated, the hands-free device is not used in the vehicle. It can communicate with the mobile telephone alone.

According to the third aspect, when there is a wireless connection request from the mobile phone, the control means sends a request for transmission of identification information for specifying the mobile phone to the mobile phone, When the identification information is received from the mobile phone, the wireless connection is made only when the received identification information matches the identification information registered in advance,
Wireless connection can be made only with the user's mobile phone registered in advance.

According to the fourth aspect of the present invention, when the user carrying the mobile phone leaves the driver's seat after the wireless connection with the mobile phone is established, Since the control information for instructing the mobile phone to function alone is sent to the mobile phone by the short-range wireless communication means, when the user of the mobile phone leaves the driver's seat, the control information is transmitted. , The mobile phone can be switched to operate independently.

According to the fifth aspect of the present invention, when the user carrying the mobile phone leaves the driver's seat after the wireless connection with the mobile phone has been established, Control information for instructing the mobile phone to function alone is transmitted to the mobile phone by the short-range wireless communication means, and when the user is seated again in the driver's seat, wireless communication with the mobile phone is performed. Since the connection process is performed, when the user of the mobile phone leaves the driver's seat, it is possible to switch so that the mobile phone operates alone based on the control information, and again, the user When sitting in the driver's seat, the hands-free device and the mobile phone carried by the user can be automatically wirelessly connected.

According to the invention described in claim 6, the control means turns off the power of the hands-free device when receiving a power-off command which is an instruction to turn off the power of the hands-free device. The power of the hands-free device is turned off after the mobile phone is notified by the short-range wireless communication means. The user's mobile phone wirelessly connected to the device can be switched to a state in which a call can be made independently.

According to the invention of claim 7, according to claim 1,
A mobile phone having short-range wireless communication means capable of communicating with the hands-free device according to the above, wherein the hands-free mode is set to a hands-free mode for making a call using the hands-free device, or the hands-free mode is canceled. Operating means having a mode setting / cancellation key; and control means for controlling each section, wherein the control means establishes a wireless connection with the hands-free device when the hands-free mode setting key is operated. Is performed through the short-range wireless communication means, so that when the user of the mobile phone uses the hands-free device, the mobile phone and the hands-free device are not connected by wire, and the It can be used with the phone carried, and automatically connects the user's mobile phone to the hands-free device only when sitting in the driver's seat of the car. It can be.

According to the present invention, when the user leaves the driver's seat after the wireless connection with the hands-free device has been established, the control means controls the portable telephone by the hands-free device. Is switched from the hands-free device side to the mobile phone side when receiving control information instructing that the device functions alone, so that when the user leaves the driver's seat, It is possible to make a call using the mobile phone carried by the person alone.

According to the ninth aspect of the present invention, after the wireless connection with the hands-free device is established, the control means may control the power-off of the hands-free device by issuing an instruction to turn off the power of the hands-free device. When receiving a command, when receiving a notification from the hands-free device to turn off the power of the hands-free device, since the path of the voice data is switched from the hands-free device side to the mobile phone side, When the power of the hands-free device is turned off, the user's mobile phone that has been wirelessly connected to the hands-free device is switched to a state in which it is possible to talk independently, and the user talks using the mobile phone alone. It becomes possible.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a schematic configuration of a hands-free device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing an electrical configuration of the hands-free device and the mobile phone according to the embodiment of the present invention.

FIG. 3 is a flowchart showing an operation until a wireless connection is established between the hands-free device 10 and the mobile phone 20 according to the embodiment of the present invention.

FIG. 4 is a flowchart showing an operation from a point in time when an incoming call is received in a state where a wireless connection is established between the hands-free device 10 and the mobile phone 20 according to the embodiment of the present invention to the end of the call.

FIG. 5 is a diagram showing a state in which a wireless connection is established between the hands-free device 10 and the mobile phone 20 according to the embodiment of the present invention. 9 is a flowchart showing the operation in the case of performing the operation.

FIG. 6 shows a hands-free device 1 with a wireless connection established between the hands-free device 10 and the mobile phone 20;
9 is a flowchart illustrating an operation when the power supply of the power supply 0 is turned off.

[Description of Signs] 10 Hands-free device 20 Mobile phone 30 Base station 100 Hands-free control unit (control means) 101 Driver detection sensor (driver detection means) 102, 204 Microphone 103, 205 Speaker 104, 202 Short-range wireless communication Device (short-range wireless communication unit) 105, 203 Operation unit (operation unit) 106 Phone number storage unit 107 Ringtone generation unit 110, 206 A / D converter 111, 207 D / A converter 120, 210 Voice codec 200 Antenna 201 transmitting / receiving section and control section (control means) 220,221 switch

Continuation of the front page F term (reference) 3D020 BA07 BB01 BC01 BD14 BE03 5K027 AA11 AA16 BB02 CC08 EE11 HH03 HH04 KK02 5K067 BB03 BB04 BB08 EE03 EE35 FF38 GG11

Claims (9)

[Claims] 1. A hands-free device communicable with a mobile phone having short-range wireless communication means, comprising: a short-range wireless communication means communicable with the short-range wireless communication means of the mobile phone; Driver detecting means for detecting a state of being seated in a driver's seat, and when it is confirmed that the user is in the driver's seat of the car based on the detection output of the driver detecting means, the short-range wireless communication means Control means for automatically connecting to the mobile phone carried by the user and enabling control of the mobile phone by operation on the hands-free device side. 2. An operation key for instructing a telephone function and an operation mode for automatically setting a wireless connection with the mobile phone, or a mode setting / cancellation means for canceling the setting of the operation mode. The control unit is configured to be used by the short-range wireless communication unit when the operation mode is set by the mode setting / cancellation unit to automatically perform wireless connection with the mobile phone. 2. The hands-free device according to claim 1, wherein the hands-free device is automatically connected to a mobile phone carried by a user. 3. The control means, when receiving a wireless connection request from the mobile phone, sends a transmission request of identification information for identifying the mobile phone to the mobile phone, and the mobile phone side The wireless connection is made only when receiving the identification information, and when the received identification information matches the identification information registered in advance.
The hands-free device according to any one of the above. 4. The control means according to claim 1, wherein when the user carrying said mobile phone leaves the driver's seat after establishing a wireless connection with said mobile phone, said mobile phone functions independently. The hands-free device according to any one of claims 1 to 3, wherein control information for instructing the mobile phone is transmitted to the mobile phone by the short-range wireless communication means. 5. The control unit according to claim 1, wherein the mobile phone functions alone when a user carrying the mobile phone leaves the driver's seat after a wireless connection with the mobile phone is established. And transmitting control information to the mobile phone by the short-range wireless communication means, and performing a wireless connection process with the mobile phone when the user again sits in the driver's seat. The hands-free device according to claim 1. 6. The short-range wireless communication means, when receiving a power-off command, which is an instruction to turn off the power of the hands-free device, to turn off the power of the hands-free device. The hands-free device according to any one of claims 1 to 5, wherein the power of the hands-free device is turned off after notifying the mobile phone. 7. A mobile phone having short-range wireless communication means capable of communicating with the hands-free device according to claim 1, wherein the mobile phone is set to a hands-free mode for making a call using the hands-free device. Operating means having a hands-free mode setting / cancellation key for canceling the hands-free mode; and control means for controlling each part, wherein the control means switches to the hands-free mode by operating the hands-free mode setting / cancelling key. When set, the mobile phone performs a process for establishing a wireless connection with the hands-free device via the short-range wireless communication unit. 8. The control means instructs the hands-free device to function alone when the user leaves the driver's seat after the wireless connection with the hands-free device is established. 8. The mobile phone according to claim 7, wherein, when the control information is received, the voice data path is switched from the hands-free device to the mobile phone. 9. The control unit according to claim 1, wherein, after a wireless connection with the hands-free device is established, the hands-free device receives a power-off command that is an instruction to turn off the power of the hands-free device. 9. The device according to claim 7, wherein when receiving a notification from the hands-free device to turn off the power of the hands-free device, the voice data path is switched from the hands-free device to the mobile phone. A mobile phone according to claim 1.