JP2011109454A - Hands-free telephone and connection method by hands-free - Google Patents

Abstract

A mobile phone to be connected to a user is selected from a plurality of mobile phones registered as hands-free mobile phones in accordance with conditions for enabling connection.
A hands-free telephone device that performs short-range wireless communication with a mobile phone and performs communication processing with another telephone device via the mobile phone automatically connects with the hands-free telephone device. For each mobile phone registered as a mobile phone to perform, based on the connectability condition setting unit for setting the connectable condition to be automatically connectable, and the connectable condition set by the connectable condition setting unit, A mobile phone selection unit that selects a mobile phone to be automatically connected and an automatic connection control unit that automatically connects the mobile phone selected by the mobile phone selection unit using a short-range wireless communication method.
[Selection] Figure 4

Description

  The present invention relates to a hands-free telephone device including a hands-free set and capable of communicating with a plurality of mobile phones and a hands-free connection method.

  Conventionally, for vehicles with a hands-free set including a microphone and a speaker, performing short-range wireless communication with a specific mobile phone, and enabling communication with the outside via the specific mobile phone in a hands-free state A hands-free telephone device is known.

  For example, in a hands-free telephone device, a plurality of mobile telephones are registered together with priorities as hands-free mobile telephones, and automatic connection is performed in descending order of priority.

  For example, in a hands-free telephone device, a plurality of mobile phones are registered as hands-free mobile phones. The hands-free telephone device automatically connects to a previously used mobile phone and a predetermined mobile phone.

JP 2008-271399 A JP 2008-271400 A

  Information related to the order of automatic connection of mobile phones to be automatically connected is set by the user. For example, one of a plurality of mobile phones may be set as a mobile phone to be automatically connected. When there are a plurality of mobile phones, a mobile phone with a high priority is a target for automatic connection. When a plurality of users get on the vehicle and the cellular phone used for each user is different, the connection priority order is set appropriately for the hands-free telephone device in advance. The hands-free telephone device requests connection in descending order of connection priority, and automatically performs connection processing with a mobile phone having a response. With this configuration, it is possible to save the user from having to select a mobile phone to be connected.

  However, even if a plurality of mobile phones are registered with priorities as hands-free mobile phones, the mobile phone may be automatically connected to a mobile phone different from the mobile phone that the user wants to connect to. This is because the mobile phone that the user wants to connect may vary depending on the day of the week and time.

  The present invention has been made in view of the above points, and a mobile phone to be connected to a user is selected from a plurality of mobile phones registered as hands-free mobile phones in accordance with conditions that allow connection. It is an object to provide a hands-free telephone device and a hands-free connection method that can be selected.

This hands-free telephone device
A hands-free telephone device that performs short-range wireless communication with a mobile phone and performs communication processing with another telephone device via the mobile phone,
A connectable condition setting unit for setting a connectable condition for automatic connection to each mobile phone registered as a mobile phone to be automatically connected to the handsfree telephone device;
A mobile phone selection unit that selects a mobile phone to be automatically connected based on the connectable condition set by the connectable condition setting unit;
And an automatic connection control unit that performs automatic connection with the mobile phone selected by the mobile phone selection unit using a short-range wireless communication method.

This hands-free connection method is
A hands-free connection method in a hands-free telephone device that performs short-range wireless communication with a mobile phone and performs communication processing with another telephone device via the mobile phone,
A connectable condition setting step for setting a connectable condition for automatic connection to each mobile phone registered as a mobile phone to be automatically connected to the hands-free telephone device;
A mobile phone selection step of selecting a mobile phone to be automatically connected based on the connectable condition set in the connectable condition setting step;
And an automatic connection control step of performing automatic connection with the mobile phone selected in the mobile phone selection step by a short-range wireless communication method.

  According to the disclosed hands-free telephone device and the hands-free connection method, the mobile phone to be connected to the user according to the conditions for enabling connection from among a plurality of mobile phones registered as hands-free mobile phones. Can be selected.

It is a block diagram which shows an example of the system with which the hands-free telephone apparatus according to a present Example is applied. It is a block diagram which shows the hands-free telephone apparatus according to a present Example. It is explanatory drawing which shows an example of a connectable condition database. It is a functional block diagram which shows the hands-free telephone apparatus according to a present Example. It is a flowchart (the 1) which shows operation | movement of the hands-free telephone apparatus according to a present Example. It is explanatory drawing which shows operation | movement of the hands-free telephone apparatus according to a present Example. It is a flowchart (the 2) which shows operation | movement of the hands-free telephone apparatus according to a present Example.

Next, the form for implementing this invention is demonstrated, referring drawings based on the following Examples.
In all the drawings for explaining the embodiments, the same reference numerals are used for those having the same function, and repeated explanation is omitted.

<System>
FIG. 1 shows an example of a system to which a hands-free telephone device according to this embodiment is applied.

  This system realizes communication in a hands-free state via a hands-free telephone device, for example, by performing short-range wireless communication with a mobile phone. Mobile telephones may include mobile phones, personal digital assistants (PDAs), and the like. For example, when a driver has a plurality of mobile phones, or when a driver or an occupant sitting on a rear seat has a plurality of mobile phones, a plurality of mobile phones in a vehicle. When a telephone is present, a hands-free call is made via the hands-free telephone device by performing short-range wireless communication between the hands-free telephone device and any one of the plurality of mobile telephones. I do.

  Hereinafter, a case where a mobile phone is applied as an example of a mobile phone will be described. The same applies when a portable information terminal is applied.

  This system includes a hands-free telephone device 100 and a hands-free set connected to the hands-free telephone device 100. The hands-free set may include a microphone 11, a speaker 12, a display 13, and an operation panel 14. The operation panel 14 may have a plurality of operation switches.

  In addition, a signal from the engine controller 300 is input to the hands-free telephone device 100. For example, a signal from the engine controller 300 is input to the handsfree telephone device 100 via a predetermined interface.

  The hands-free telephone device 100 includes a short-range wireless communication module. The short-range wireless module may include a Bluetooth (registered trademark) module. Bluetooth employs a frequency hopping type spread spectrum communication method using a 2.4 GHz ISM band (Industry Science Medical band), and can perform wireless communication at a communication speed of 1 Mbps or more.

On the other hand, the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n (n is an integer of n> 0) also incorporate a short-range wireless communication module, for example, a Bluetooth module. When the hands-free phone device 100 and the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n have a Bluetooth module, the hands-free phone device 100 and the mobile phones 200 ₁ , 200 ₂ ,. Wireless communication is possible with each of 200 _n via Bluetooth.

For example, if the distance between each mobile phone 200 ₁ , 200 ₂ ,..., And 200 _n and the hands-free telephone device 100 is within about 10 m, a wireless LAN called a piconet can be constructed. A piconet is a network that is temporarily formed between terminals when wireless communication processing terminals conforming to the Bluetooth standard are brought close to each other. In the piconet, for example, the hands-free telephone device 100 functions as a master, and the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n function as slaves. The hands-free telephone device 100 makes an inquiry (inquiry) every elapse of a predetermined time, and detects a mobile phone constituting the piconet. When the hands-free telephone device 100 can detect a mobile phone constituting the piconet, the hands-free telephone device 100 recognizes the identifier of the mobile phone. The identifier may be a telephone number, for example.

In the present embodiment, the hands-free telephone device 100 as an example, specific examples of short-range wireless communication method performed between any of the mobile phone ₂₀₀ 1, ₂₀₀ 2, ..., and 200 _n, Bluetooth standard However, other short-range wireless communication schemes may be applied.

<Hands-free telephone device>
FIG. 2 shows the hands-free telephone device 100.

The hands-free telephone device 100 is wirelessly connected to a mobile telephone 50 as a communication partner via any one of the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n and a communication network such as the mobile communication network 10. To do. Thereby, the hands-free telephone device 100 enables a hands-free call with the mobile phone 50. The communication partner is not limited to the mobile phone 50 and may be a fixed phone.

The hands-free telephone device 100 includes an antenna 102 for performing short-range wireless communication with any one of the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n , an RF (Radio Frequency) processing unit 104, A BB (Base Band) processing unit 106 and a Bluetooth CPU (Central Processing Unit) 108 are provided.

  The hands-free telephone device 100 includes a RAM 110 for performing application processing related to hands-free call processing, a storage unit 112, a main CPU 114, and a voice processing unit 116 for performing processing related to voice. The storage unit 112 may be configured by an EEPROM (Electrically Erasable Programmable Read Only Memory).

  The hands-free telephone device 100 includes an interface unit 118 serving as a user interface when performing a hands-free call, a speaker 12, and a microphone 11.

  The interface unit 118 is connected to the main CPU 114. The interface unit 118 may be configured as a display-type user interface.

  An engine start signal from the engine controller 300 is input to the main CPU 114. For example, an engine start signal from the engine controller 300 is input to the main CPU 114 via a predetermined interface.

The antenna 102 receives radio waves transmitted from the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n . The radio wave is input to the RF processing unit 104 as an RF signal through a duplexer (not shown).

  The RF processing unit 104 is connected to the antenna 102 and performs a lower layer process in the Bluetooth standard on the RF signal input by the antenna 102. The lower layer processing includes, for example, predetermined despreading processing and demodulation processing. The RF processing unit 104 inputs a signal obtained as a result of the lower layer processing to the BB processing unit 106.

The BB processing unit 106 is connected to the RF processing unit 106. The BB processing unit 106 defines a protocol for performing short-range wireless communication with the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n . The BB processing unit 106 performs predetermined baseband processing on the signal input from the RF processing unit 104 and inputs the obtained signal to the Bluetooth CPU 108.

  The Bluetooth CPU 108 is connected to the BB processing unit 106. The Bluetooth CPU 108 performs processing according to the communication control program stored in the storage unit 112. The Bluetooth CPU 108 performs higher layer processing in the Bluetooth standard on the signal input by the BB processing unit 106. The upper layer processing includes, for example, protocol processing and profile processing.

Specifically, when information is received from the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n , the received signal is converted into a baseband signal by the BB processing unit 106, and then the Bluetooth CPU 108. Is input. The Bluetooth CPU 108 interprets the packet data indicated by the baseband signal input by the BB processing unit 106, and extracts information included in the packet data, for example, voice data indicating communication contents.

On the other hand, when transmitting information to the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n , the Bluetooth CPU 108 transmits packet data in accordance with the Bluetooth standard including information input from the main CPU 114 described later. Created and input to the BB processing unit 106. Information input from the main CPU 114 includes audio data indicating the audio content.

In addition, the Bluetooth CPU 108 executes communication control processing such as processing for establishing short-range wireless communication with any of the mobile phones 200 ₁ , 200 ₂ ,..., 200 _n and retransmission control processing. The BB processing unit 106 performs predetermined baseband processing on the signal input by the Bluetooth CPU 108 and inputs the obtained baseband signal to the RF processing unit 104. The RF processing unit 104 performs lower layer processing in the Bluetooth standard on the baseband signal input by the BB processing unit 106. The lower layer processing includes, for example, predetermined modulation processing and spreading processing. The RF processing unit 104 inputs an RF signal obtained as a result of the lower layer processing to the antenna 102. The antenna 102 transmits the RF signal input from the RF processing unit 104 via the duplexer to _one of the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n as a radio wave.

  In FIG. 2, the Bluetooth CPU 108 and the main CPU 114 are separately configured. However, if the CPU has a high processing capability, the Bluetooth CPU 108 may be physically configured with the main CPU 114. .

  The RAM 110 temporarily stores the connectable conditions of the mobile phone stored in a connectable condition database described later. The connectable conditions of the mobile phone include days of the week when connection is possible. Further, the connectable condition of the mobile phone includes a time when connection is possible. In addition, the connectable condition of the mobile phone may include a connectable day of the week and a time. The hands-free telephone device 100 performs short-range wireless communication with a connectable mobile phone according to the set connectable conditions. By performing short-range wireless communication between the hands-free telephone device 100 and the mobile phone, the user can make a hands-free call.

  The connectable conditions stored in the RAM 110 are written by the main CPU 114. When the input of the connectable condition is completed, the main CPU 114 arbitrarily reads out and stores it in the storage unit 112.

The storage unit 112 stores various types of information such as personal information transferred from the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n and input by the main CPU 114. The storage unit 112 stores a connectable condition database.

<Connectable condition database>
FIG. 3 shows an example of a connectable condition database.

  The connectable condition database is referred to when the handsfree telephone device 100 selects a mobile phone to be wirelessly connected. In the connectable condition database, a condition (connectable condition) for enabling connection from the handsfree telephone device 100 to each mobile phone is stored. The connectable condition may be set for each mobile phone, and when there are a plurality of mobile phones having similar connectable conditions, the connectable condition may be set for each of the plurality of mobile phones. Further, it is not necessary to set the connectable condition for all the mobile phones to be registered, and the connectable condition may be set as necessary. In this embodiment, as an example, a connectable condition is set for some of the mobile phones to be registered.

  The connectable condition database stores an identifier of the mobile phone for each mobile phone. The identifier may be a telephone number. In the connectable condition database, connectable days of the week are set as connectable conditions. In the connectable condition database, a connectable time is set as a connection condition for each portable terminal. The time may be set as a time zone having a certain time width. A plurality of the time zones may be set. Also, as shown in FIG. 3, in the connectable condition database, connectable days of the week and times may be set as connection conditions for each portable terminal. Further, the use of the mobile phone may be set for each mobile terminal in the connectable condition database.

  According to FIG. 3, the usage of the mobile phone whose identifier is indicated by “A” is “private”. The connectable days of the mobile phone are set to Saturday and Sunday, and the connectable time is set to all day. Therefore, the hands-free telephone device 100 can make a hands-free call by performing short-range wireless communication with the mobile phone all day on Saturday and all day on Sunday.

  Further, according to FIG. 3, the usage application of the mobile phone whose identifier is indicated by “B” is “work (business)”. The connectable day of the mobile phone is set from Monday to Friday, and the connectable time is set from 6:00 to 22:00. Therefore, the hands-free telephone device 100 can make a hands-free call by performing short-range wireless communication with the mobile phone from 6:00 to 22:00 from Monday to Friday.

  Further, according to FIG. 3, the usage and connection conditions of the cellular phone whose identifier is indicated by “C” are not specified. For mobile phones that are not specified for usage and connection conditions, hands-free calling may be performed by performing short-range wireless communication on days and / or times that are not specified by the connectable conditions. . In the example shown in FIG. 3, there is no mobile phone that specifies the connectable conditions from 0:00 to 6:00 from Monday to Friday and from 22:00 to 24:00 from Monday to Friday. Accordingly, a hands-free call is performed by performing short-range wireless communication with a mobile phone not designated for the connectable condition from 6:00 to 6:00 from Monday to Friday and from 22:00 to 24:00 from Monday to Friday. You may do it.

  In the example shown in FIG. 3, the same time is set regardless of the day of the week, but the time for which connection is possible may be changed depending on the day of the week.

  Also as a connectable condition. “Day” may be set. For example, it may be possible to set what day of the week from ** month □ day to △ month * day is connectable from what time to what time.

  The connection condition may be set when the mobile phone is registered in the hands-free telephone device 100, or may be set after the mobile phone is registered.

  Various information stored in the storage unit 112 is written by the main CPU 114 and arbitrarily read by the main CPU 114.

The audio processing unit 116 is connected to the main CPU 114. The voice processing unit 116 performs a predetermined decoding process on the voice data received from each of the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n and input via the main CPU 114. The audio processing unit 116 inputs the obtained audio signal to the speaker 12 via the main CPU 114 as a result of the decoding process.

The audio processing unit 116 performs a predetermined encoding process on the audio signal input by the microphone 11 and input via the main CPU 114. Audio processing unit 116, the cellular phone ₂₀₀ 1, ₂₀₀ 2, ..., and to send to any of the 200 _n, and inputs the result of the encoding process, resulting audio data to the main CPU 114.

The main CPU 114 executes the application program stored in the storage unit 112, thereby executing application processing of the hands-free telephone device 100. By executing the application processing, the main CPU 114 performs processing related to transmission data to the mobile phones 200 ₁ , 200 ₂ ,..., 200 _n and reception data from the mobile phone 50. Further, the main CPU114, each cellular phone _{200 1,} 200 2, ..., generates an instruction to be given to 200 _n.

  The interface unit 118 includes a display unit 13 and an operation input unit 14. The display unit 13 displays information input by the main CPU 114. The information includes a calling telephone number and an incoming telephone number. The user performs various input operations on the operation input unit 14. The operation input unit 14 inputs the connectable condition input by the user to the main CPU 114. For example, the operation input unit 14 may be configured by a touch panel that detects an operation performed on an operation button or the like displayed on the display unit 13 and generates an operation input signal indicating the operation content. The interface unit 118 displays various information according to the display data input by the main CPU 114 and presents the information to the user, and inputs an operation input signal indicating the operation content of the user to the main CPU 114.

The speaker 12 outputs audio signals from the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n input via the audio processing unit 116 and the main CPU 114. Cellular phone ₂₀₀ 1, ₂₀₀ 2, ..., and by the speech from 200 _n outputs, the user of the hands-free telephone device 100, the cellular phone _{200 1,} 200 2, ..., and 200 _n It is possible to listen to the other party's voice without operation.

The audio signal input from the microphone 11 is supplied to the audio processing unit 116 via the main CPU 114. The audio signal is transmitted to _{one of} the mobile phones 200 ₁ , 200 ₂ ,..., And 200 _n after the audio processing by the audio processing unit 116. After the voice signal inputted by the main CPU114 is supplied to the audio processing unit 116, the cellular phone ₂₀₀ 1, ₂₀₀ 2, ..., and by being sent to one of the 200 _n, the hands-free telephone device 100 The user can listen to the voice of the user without operating each of the mobile phones 200 ₁ , 200 ₂ ,..., 200 _n .

<Functions of hands-free telephone device>
FIG. 4 shows functions of the hands-free telephone device 100. FIG. 4 mainly shows functions executed by the main CPU 114.

  The processing executed by the hands-free telephone device 100 includes registration of a mobile phone to be automatically connected. In addition, the process executed by the hands-free telephone device 100 includes a process of setting the connectable condition of the mobile phone to be automatically connected as necessary. Further, the process executed by the hands-free telephone device 100 includes a process of reflecting the connectable condition of each mobile phone in the connectable condition database. Further, the processing executed by the hands-free telephone device 100 includes processing for searching for a mobile phone to be automatically connected with reference to the connectable condition database. Further, the process executed by the hands-free telephone device 100 includes a process of automatically connecting to a mobile phone to be automatically connected based on a search result.

  This hands-free telephone device 100 has a mobile phone registration unit 1142. The mobile phone registration unit 1142 registers a mobile phone that can be automatically connected input by the user. For example, the telephone number of a mobile phone that can be automatically connected may be registered. In addition, the mobile phone registration unit 1142 registers mobile phones that can be automatically connected in the connectable condition database.

  This hands-free telephone device 100 has a connectable condition setting unit 1144. When the user inputs the connectable condition of the registered mobile phone registered by the mobile phone registration unit 1142, the connectable condition setting unit 1144 registers the connectable requirement in the connectable condition database.

  This hands-free telephone device 100 has a hands-free connection mobile phone search unit 1146. The hands-free connection mobile phone search unit 1146 acquires the current day / time information after the hands-free telephone device 100 is activated. The hands-free connection mobile phone search unit 1146 searches for a mobile phone to be automatically connected based on the current day / time information with reference to the connectable condition database. The hands-free connection mobile phone 1146 inputs information indicating the mobile phone to be automatically connected obtained as a result of the search to the hands-free connection control unit 1148.

  Further, when “date” is set as the connectable condition in the connectable condition database, the handsfree connection mobile phone search unit 1146, after the handsfree telephone device 100 is activated, The day of the week / time information may be acquired. The hands-free mobile phone search unit 1146 may search for a mobile phone to be automatically connected based on the current date / day of the week / time information with reference to the connectable condition database.

  This hands-free telephone device 100 has a hands-free control unit 1148. The hands-free control unit 1148 performs control for automatic connection with the mobile phone to be automatically connected input by the hands-free connection mobile phone 1146.

<System operation (part 1)>
In this system, a plurality of mobile phones are registered in advance for the hands-free telephone device 100. In addition, a connectable condition can be set for each mobile phone.

  FIG. 5 is a flowchart showing a pre-setting for registering a mobile phone that can be automatically connected.

  The hands-free telephone device 100 registers a mobile phone (step S502). For example, the mobile phone registration unit 1142 registers a mobile phone to be automatically connected input by the user. The registered mobile phone is reflected in the connectable condition database.

  The hands-free telephone device 100 sets the connection possible condition for each mobile phone (step S504). For example, for the mobile phone registered by the mobile phone registration unit 1142, the connectable condition can be set as necessary. When the connectable condition is input, the connectable condition setting unit 1144 reflects the connectable condition in the connectable condition database.

  If the connectable condition is not input after the end of step S502, the process of step S504 cannot be performed, and the process may be ended.

  Further, a detailed description will be given of a preset process for registering a mobile phone that can be automatically connected.

  FIG. 6 is an explanatory diagram showing a pre-setting for registering a mobile phone that can be automatically connected. FIG. 6 shows an example in which mobile phones A, B, and C are set as mobile phones that can be automatically connected.

  When the user turns on the system power (step S602), the system is turned on (step S604). For example, it may be activated by an engine activation signal from the engine controller 300.

  The user performs an operation of registering the mobile phones A, B, and C as hands-free systems (step S606). The system registers mobile phones A, B, and C (step S608). Mobile phones A, B, and C are registered in the connectable condition database (step S610). At the time when the mobile phones A, B, and C are registered, the day of the week and the time are not registered.

  The user performs an operation of registering the connectable condition of the mobile phone A (step S612). For example, the user registers the day of the week and the time (time) as the connectable condition of the mobile phone A. Also, the date and time may be registered. Specifically, Saturday and Sunday are registered as the day of the week, and the entire day is registered as the time. The system sets the connectable conditions for the mobile phone A by the operation of the user (step S614). For example, the system sets the day of the week and the time as the connectable condition of the mobile phone A. Also, the date and time may be set. Specifically, Saturday and Sunday are set as the day of the week, and all day is set as the time. In the connectable condition database, the connectable condition of the mobile phone A is set.

  The user performs an operation for registering the connectable condition of the mobile phone B (step S616). For example, the user registers the day of the week and the time as the connectable condition of the mobile phone B. Also, the date and time may be registered. Specifically, Monday to Friday is registered as the day of the week, and 6 to 22:00 is registered as the time. The system sets the connectable conditions for the mobile phone B by the operation of the user (step S618). For example, the system sets the day of the week and the time as the connectable condition of the mobile phone B. Also, the date and time may be set. Specifically, Monday to Friday is set as the day of the week, and 6 to 22:00 is set as the time. In the connectable condition database, the connectable condition of the mobile phone B is set.

  Multiple mobile phones are registered. Furthermore, the system may be turned off after setting the connectable condition as necessary for each mobile phone. Since the connectable condition database is stored in the storage unit 112, it is read when the system power is turned on again.

  In the example shown in FIG. 6, since the connectable condition is not registered for the mobile phone C, the mobile phone C is registered in the connectable condition database, but the connectable condition for the mobile phone C is not set. . Further, when the connectable condition is registered, it may be reflected in the connectable condition database together with the mobile phone information. The connectable condition of the mobile phone C is not limited to the registration of the mobile phone C, and can be set at an arbitrary timing. Also. Even when it is desired to change the connectable condition of the other mobile phones A and B, it can be changed at an arbitrary timing.

<System operation (part 2)>
An automatic connection processing operation after a pre-setting for registering a mobile phone that can be automatically connected will be described.

  FIG. 7 is a flowchart showing the automatic connection processing operation.

  The system is activated (step S702). For example, it may be activated by an engine activation signal from the engine controller 300. Moreover, it may be activated when the user turns on the switch of the hands-free telephone device 100.

  The hands-free telephone device 100 acquires the current day / time information (step S704). For example, the current day of the week / time information is input to the hands-free connection mobile phone search unit 1146. Furthermore, the current date information may be input to the hands-free connection mobile phone search unit 1146. For example, the current day / time information may be acquired from the clock of the hands-free telephone device 100. Further, the current day / time information may be obtained from a clock of a vehicle on which the handsfree telephone device 100 is mounted. If the vehicle on which the hands-free telephone device 100 is mounted can receive a positioning signal from a GNSS satellite, the current day / time information may be acquired based on the positioning signal.

  The hands-free telephone device 100 searches the connectable condition database for a mobile phone that matches the conditions based on the current day / time information acquired in step S704 (step S706). For example, the hands-free connection mobile phone search unit 1146 refers to the connectable condition database based on the current day / time information input, and searches for a mobile phone that matches the conditions. The hands-free connection mobile phone search unit 1146 inputs the mobile phone information obtained as a result of the search to the hands-free connection control unit 1148.

  Specifically, when the current day of the week is Monday and the time is 8:00, according to the example described with reference to FIG. 3, the mobile phone B is selected as a mobile phone that meets the conditions.

  If there is no mobile phone that matches the condition as a result of the search, the hands-free connection mobile phone search unit 1146 inputs information on the mobile phone for which the connection enable condition is not set to the hands-free connection control unit 1148. May be. By inputting information of a mobile phone for which no connection condition is set into the hands-free connection control unit 1148, a hands-free call can be performed even when there is no mobile phone that matches the conditions. In addition, when there is no mobile phone that matches the conditions, information on an arbitrary mobile phone from the registered mobile phones may be input to the hands-free connection control unit 1148. Further, the user may be notified that there is no mobile phone that matches the conditions.

  In addition, when there are a plurality of mobile phones obtained as a result of the search, information on the mobile phone with the highest priority is input to the handsfree connection control unit 1148 based on the priority from among the plurality of mobile phones. You may do it. The priority is set in advance. Further, when there are a plurality of mobile phones obtained as a result of the search, the user may be notified of the plurality of mobile phones. By notifying the user of the plurality of mobile phones, the user can select a mobile phone to be connected.

  In addition, when there is no mobile phone that matches the condition as a result of the search, when the mobile phone information for which the connectable condition is not set is input to the hands-free connection control unit 1148, the connectable condition is not set. When there are a plurality of mobile phones, information on the mobile phone with the highest priority may be input to the hands-free connection control unit 1148 based on the priority among the plurality of mobile phones. The priority is set in advance. In addition, when there is no mobile phone that matches the condition and there are a plurality of mobile phones that are not set with the connectable condition, the user may be notified of the plurality of mobile phones. By notifying the user of the plurality of mobile phones, the user can select a mobile phone to be connected.

  The hands-free telephone device 100 controls to automatically connect to the mobile phone based on the mobile phone obtained as a result of the search in step S706 (step S708). For example, the hands-free connection control unit 1148 controls to automatically connect with the mobile phone based on the mobile phone information input by the hands-free connection mobile phone search unit 1146.

  As a result of the automatic connection, communication with the outside via the mobile phone can be performed in a hands-free state.

  According to the present embodiment, a plurality of mobile phones can be registered as hands-free mobile phones, and a mobile phone to be used by a user from among the plurality of registered mobile phones based on preset connection enable conditions. You can select a phone.

  According to this embodiment, there is provided a hands-free telephone device that performs short-range wireless communication with a mobile phone and performs communication processing with another telephone device via the mobile phone.

The hands-free telephone device
A connectable condition setting unit for setting a connectable condition for automatic connection to each mobile phone registered as a mobile phone to be automatically connected to the handsfree telephone device;
A mobile phone selection unit that selects a mobile phone to be automatically connected based on the connectable condition set by the connectable condition setting unit;
And an automatic connection control unit that performs automatic connection with the mobile phone selected by the mobile phone selection unit using a short-range wireless communication method.

  Since a mobile phone to be automatically connected can be selected based on the connectable conditions, a mobile phone to be used by the user can be selected from a plurality of registered mobile phones based on the preset connectable conditions .

further,
The connectable condition setting unit sets, as the connectable condition, a time and / or day of week when connection is possible for each mobile phone registered as a mobile phone to be automatically connected.

  Since the time and / or day of the week that can be connected can be set as the connectable condition, a mobile phone that matches the time and / or day of the week set as the connectable condition can be selected.

further,
The mobile phone selection unit acquires a current time and / or day of the week, and selects a mobile phone to be automatically connected based on the current time and / or day of the week.

  Since the mobile phone to be automatically connected can be selected based on the current time and / or day of the week, the mobile phone to be used by the user can be selected based on the current time and / or day of the week.

further,
The mobile phone selection unit selects a mobile phone for which the connectable condition is not set when there is no corresponding mobile phone as a result of searching for a mobile phone to be automatically connected based on the connectable condition.

  When there is no mobile phone corresponding to the connectable condition, it is possible to select a mobile phone for which the connectable condition is not set, so that automatic connection can be performed even when there is no mobile phone corresponding to the connectable condition. Since automatic connection can be performed, the user can perform a hands-free call.

  According to the present embodiment, there is provided a hands-free connection method in a hands-free telephone device that performs short-range wireless communication with a mobile phone and performs communication processing with another telephone device via the mobile phone. The

The hands-free connection method is as follows:
A connectable condition setting step for setting a connectable condition for automatic connection to each mobile phone registered as a mobile phone to be automatically connected to the hands-free telephone device;
A mobile phone selection step of selecting a mobile phone to be automatically connected based on the connectable condition set in the connectable condition setting step;
And an automatic connection control step of performing automatic connection with the mobile phone selected in the mobile phone selection step by a short-range wireless communication method.

  Since a mobile phone to be automatically connected can be selected based on the connectable conditions, a mobile phone to be used by the user can be selected from a plurality of registered mobile phones based on the preset connectable conditions .

  Although the present invention has been described above with reference to specific embodiments, each embodiment is merely an example, and those skilled in the art will understand various variations, modifications, alternatives, substitutions, and the like. I will. For convenience of explanation, an apparatus according to an embodiment of the present invention has been described using a functional block diagram, but such an apparatus may be implemented in hardware, software, or a combination thereof. The present invention is not limited to the above-described embodiments, and various variations, modifications, alternatives, substitutions, and the like are included without departing from the spirit of the present invention.

10 Communication Network 11 Microphone 12 Speaker 13 Display (Display Unit)
14 Operation panel (operation input section)
DESCRIPTION OF SYMBOLS 50 Mobile telephone 100 Hands-free telephone apparatus 102 Antenna 104 RF (Radio Frequency) processing part 106 BB (Base Band) processing part 108 CPU (Central Processing Unit) for Bluetooth
110 RAM
112 Storage unit 114 Main CPU (Central Processing Unit)
1142 Mobile phone registration unit 1144 Connectable condition setting unit 1146 Hands-free connection mobile phone search unit 1148 Hands-free connection control unit 116 Voice processing unit 118 Interface unit 200 (200 ₁ , 200 ₂ ,..., 200 _n ) (n is , N> 0) Mobile phone 300 Engine controller

Claims (5)

A hands-free telephone device that performs short-range wireless communication with a mobile phone and performs communication processing with another telephone device via the mobile phone,
A connectable condition setting unit for setting a connectable condition for automatic connection to each mobile phone registered as a mobile phone to be automatically connected to the handsfree telephone device;
A mobile phone selection unit that selects a mobile phone to be automatically connected based on the connectable condition set by the connectable condition setting unit;
A hands-free telephone device comprising: an automatic connection control unit that performs automatic connection with a mobile phone selected by the mobile phone selection unit using a short-range wireless communication method. The hands-free telephone device according to claim 1,
The connectable condition setting unit is a hands-free telephone device that sets a connectable time and / or day of the week for each mobile phone registered as a mobile phone to be automatically connected as the connectable condition. The hands-free telephone device according to claim 2,
The mobile phone selection unit acquires a current time and / or day of the week and selects a mobile phone to be automatically connected based on the current time and / or day of the week. The hands-free telephone device according to claim 1,
The mobile phone selection unit searches for a mobile phone to be automatically connected based on the connectable condition, and as a result, if there is no corresponding mobile phone, selects a mobile phone for which the connectable condition is not set. Telephone device. A hands-free connection method in a hands-free telephone device that performs short-range wireless communication with a mobile phone and performs communication processing with another telephone device via the mobile phone,
A connectable condition setting step for setting a connectable condition for automatic connection to each mobile phone registered as a mobile phone to be automatically connected to the hands-free telephone device;
A mobile phone selection step of selecting a mobile phone to be automatically connected based on the connectable condition set in the connectable condition setting step;
A hands-free connection method comprising: an automatic connection control step of performing automatic connection with a mobile phone selected in the mobile phone selection step by a short-range wireless communication method.