JP2012074787A - Terminal call control apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a terminal call control apparatus that can establish reliable communication with a destination terminal.SOLUTION: The terminal call control apparatus has a transmission/reception section for enabling transmission/reception to/from a plurality of source terminals capable of communicating with a destination terminal, and a source terminal selection section for selecting one source terminal to communicate with the destination terminal, and controls the selected source terminal to call the destination terminal. The terminal call control apparatus includes a battery level information acquisition section for acquiring battery level information about each source terminal. The source terminal selection section selects the source terminal that has the highest battery level according to the acquired battery level information.

Description

  The present invention relates to a terminal transmission control device, and more particularly, to a terminal transmission control device that performs transmission by selecting one terminal from a plurality of connected terminals.

  In recent years, with the remarkable spread and high functionality of mobile phones, not only the use of mobile phones during walking but also the situation of using mobile phones while traveling by vehicle or working on a personal computer is increasing. However, the use of a mobile phone by a driver especially during movement by a vehicle is extremely problematic in terms of safety, and is prohibited by law.

  In order to cope with such a situation, a hands-free call device capable of making a call in a hands-free state has been developed. For example, Japanese Patent Application Laid-Open No. 2003-102058 discloses a portable terminal management system that can be mounted on a vehicle. In this mobile terminal management system, a mobile terminal management system mounted on a vehicle and a mobile phone can be wirelessly connected and a call can be made to the outside in a hands-free state using the microphone and speaker of the mobile terminal management system. .

  By the way, by using the above-mentioned hands-free communication device, for example, a user who owns a plurality of mobile phones such as a mobile phone supplied from a company and a personally owned mobile phone uses these mobile phones depending on the purpose of use. Sometimes you want to. Further, there are cases where it is desired to make a call by selecting a mobile phone for each user, such as when a plurality of passengers are on the vehicle.

  In order to respond to such a demand, there is a hands-free call device in which a plurality of mobile phones are registered and the mobile phones can be switched according to the purpose of use and the destination. For example, in the hands-free call device disclosed in the following Patent Document 2 (Japanese Patent Laid-Open No. 2007-266755), the correspondence relationship between a destination telephone number and a mobile phone using the destination telephone number is set for each mobile phone. The set phone book data is stored, and when the user inputs the destination telephone number, the corresponding mobile phone can be selected from the phone book data and automatically switched to make a call.

JP 2003-102058 (paragraphs [0007] to [0010]) JP 2007-266755 A (Claim 1)

  However, in the hands-free call device disclosed in Patent Document 2, since the correspondence between the call destination telephone number and the mobile phone to be used is determined in advance by the individual phone book data of the mobile phone, for example, If the remaining battery level of the mobile phone selected as is low, there is a possibility that a call cannot be made.

  An object of the present invention is to solve the above-described problems, and an object of the present invention is to provide a terminal transmission control device capable of reliably communicating with a transmission destination terminal.

In order to solve the above-mentioned problem, the invention according to claim 1 of the present application is
A transmission / reception unit that performs transmission / reception with a plurality of transmission source terminals that can communicate with the transmission destination terminal, and a transmission source terminal selection unit that selects one transmission source terminal that communicates with the transmission destination terminal. In a terminal call control device that controls a caller terminal and sends a call to the callee terminal,
A battery level information acquisition unit for acquiring battery level information of each of the caller terminals;
The source terminal selection unit selects the source terminal having the largest remaining battery level based on the acquired remaining battery level information.

The invention according to claim 2 of the present application is the terminal call control device according to claim 1, wherein an address book storage unit that stores an address book of the destination terminal corresponding to each of the source terminals;
Directly set the destination terminal or a destination terminal setting unit for setting the destination terminal from the address book;
The source terminal selection unit selects the source terminal with the largest remaining battery level based on the acquired battery remaining amount information when the destination terminal setting unit directly sets the destination terminal. When the destination terminal setting unit sets the destination terminal from the address book, the source terminal corresponding to the address book is selected.

  In the invention concerning Claim 1, the transmission / reception part which transmits / receives with the several transmission origin terminal communicable with a transmission destination terminal, The transmission origin terminal which selects the said transmission origin terminal which communicates with the said transmission destination terminal A terminal transmission control device that controls the selected transmission source terminal and transmits the selected transmission source terminal to the transmission destination terminal, and further includes a battery remaining amount information acquisition unit that acquires battery remaining amount information of each of the transmission source terminals. The transmission source terminal selection unit selects the transmission source terminal having the largest remaining battery level based on the acquired remaining battery level information.

  According to such a configuration, by selecting the source terminal having the largest remaining battery level and communicating with the destination terminal, communication can be reliably performed without being incapable of communication due to battery exhaustion. Become.

  In the invention according to claim 2, in the invention according to claim 1, the address book storage unit for storing the address book of the destination terminal corresponding to each source terminal, and the destination terminal are directly set, Or a destination terminal setting unit that sets the destination terminal from the address book, and when the destination terminal setting unit directly sets the destination terminal, based on the acquired battery remaining information, When the source terminal having the largest remaining battery level is selected and the destination terminal setting unit sets the destination terminal from the address book, the source terminal corresponding to the address book is selected.

  According to this configuration, when the user directly sets the destination terminal without using the address book, it can be considered that there is no intention to limit the source terminal, and the source terminal with the highest remaining battery level is selected. By communicating with each other, communication can be reliably performed without being in a communication disabled state due to a battery exhaustion. In addition, when the user sets the destination terminal using the address book, it can be considered that there is an intention to specify the source terminal, and by selecting and communicating the source terminal corresponding to the address book, Thus, communication can be performed between a desired source terminal and a destination terminal.

It is a schematic explanatory drawing of the hands-free call system using the terminal transmission control apparatus concerning the Example of this invention. It is a block diagram of the configuration of a terminal transmission control device according to an embodiment of the present invention. It is a block diagram of the configuration of a mobile phone connected to the terminal transmission control device according to an embodiment of the present invention. It is explanatory drawing of the address book of the mobile telephone registered into the terminal transmission control apparatus concerning the Example of this invention. It is explanatory drawing of the registration information of the mobile telephone registered into the terminal transmission control apparatus concerning the Example of this invention. It is a flowchart of the hands-free call in the terminal transmission control device according to the embodiment of the present invention. It is explanatory drawing of the menu screen in the terminal transmission control apparatus concerning the Example of this invention. It is explanatory drawing of the registration screen of the mobile telephone registered into the terminal transmission control apparatus concerning the Example of this invention. It is explanatory drawing of the terminal selection screen in the terminal transmission control apparatus concerning the Example of this invention.

  Hereinafter, specific examples of the present invention will be described in detail with reference to examples and drawings. However, the embodiment described below exemplifies a terminal transmission control device for embodying the technical idea of the present invention, and is not intended to specify the present invention as this terminal transmission control device. In addition, the present invention is equally applicable to the terminal transmission control apparatus of other embodiments included in the scope of claims.

  FIG. 1 is a schematic explanatory diagram of a hands-free call system using a terminal call control device according to an embodiment of the present invention. The hands-free call system includes a navigation device 12 (terminal transmission control device) mounted on a vehicle 10 and a plurality of mobile phones 16a that can communicate with an external mobile phone 14 (destination terminal) via the navigation device 12. , 16b (source terminal). The mobile phones 16a and 16b are terminals in the vehicle 10.

  FIG. 2 is a configuration block diagram of the navigation device 12, and FIG. 3 is a configuration block diagram of the mobile phones 16a and 16b that can be connected to the navigation device 12.

  The navigation device 12 has a function of detecting the current position of the vehicle 10 and displaying it on the display unit together with a map image, and providing a function for assisting the user to move to the destination, and the mobile phones 16 a and 16 b in the vehicle 10. This is a terminal transmission control device that selects and performs hands-free call control.

  The navigation device 12 includes a control unit 18, a current position detection unit 20, a route search unit 22, a map information storage unit 24, an address book storage unit 26, a mobile phone registration information storage unit 28, a mobile phone selection unit 30 (source terminal selection). Part), a short-range wireless communication part 34 (transmission / reception part, battery remaining amount information acquisition part), an operation part 36 (destination terminal setting part), a display part 38, a microphone 40 and a speaker 42.

  The control unit 18 includes a CPU 44, a ROM 46, and a RAM 48. The CPU 44 executes a control program stored in the ROM 46 and / or the RAM 48, thereby controlling and supervising operations of the respective units of the navigation device 12.

  The current position detection unit 20 receives signals from a plurality of GPS satellites orbiting over the earth at predetermined time intervals, and based on time information and satellite position information included in the signals, the current position of the vehicle 10 Calculate the position.

  The route search unit 22 searches for an optimum route (guide route) by referring to the map information stored in the map information storage unit 24 in accordance with the route search condition input by the user. The route search unit 22 searches for a link from the road node corresponding to the departure point or the current position to the node corresponding to the destination by a method such as the Dijkstra method, and accumulates the link length (link cost) and the required time. Then, a route having the shortest total link length (travel distance) or total required time is searched for as a guide route. In addition, the route search part 22 may acquire map information from an external information provision server via a communication means, and may perform a route search. Moreover, a route search part can be installed in an external information provision server with map information, and it can also comprise so that the navigation apparatus 12 may acquire a guidance route from the outside.

  The map information storage unit 24 holds map information composed of road data, building data, background data, and text data. The road data is composed of node data in which roads are nodes such as inflection points and branch points, and link data in which routes connecting the respective nodes are links. The node data includes data of node attributes such as node numbers, node position coordinates, intersection information and intersection name information, the number of connection links, and connection link numbers. The link data includes the node numbers that are the start and end points of the link, the road type to distinguish highways, ordinary roads, streets, etc., the road type and distance to distinguish main roads, connecting roads, and branch roads of each road. And / or the required time, the road name such as the national highway ○, and the traveling direction data.

  In addition to the above, the link data includes data such as bridges, tunnels, railroad crossings, and tollgates as link attributes. The building data includes data on building position coordinates, types of buildings such as stations, buildings, and private houses, and display colors. The background data is configured to include position coordinates and display color data to be background image data such as coastlines, lakes, river shapes, and forests. The text data includes characters (names) such as place names and river names, and data of their coordinates.

  The address book storage unit 26 stores information on each address book (also referred to as a telephone book) possessed by a plurality of mobile phones that can be connected to the navigation device 12. FIG. 4 shows an example of an address book for one mobile phone. In the address book storage unit 26, the name of the owner of the mobile phone that is the destination terminal, the telephone number, the group that classifies the owner, the communication carrier of the destination terminal is simply referred to as a carrier), for example, Is a mobile phone company with which mobile phone contracts. Since the mobile phone company of the destination terminal can be identified from the mail address of the mobile phone, the mail address of the destination terminal may be set as a communication carrier in the address book.

  The mobile phone registration information storage unit 28 stores registration information relating to a plurality of mobile phones that can be connected to the navigation device 12. FIG. 5 shows registration information relating to four mobile phones registered in the navigation device 12. The mobile phone registration information storage unit 28 includes a registered mobile phone that is a caller terminal, a telephone number, presence / absence of connection indicating whether or not the registered mobile phone is connected to the navigation device 12, a carrier of the registered mobile phone, a registered mobile phone The telephone number (terminal number) of the mobile phone of the destination terminal set as the discount target is stored. The registered mobile phone carrier is, for example, a telecommunications company with which the registered mobile phone has a contract. Since the mobile phone company of the caller terminal can be identified from the mail address of the mobile phone in the same manner as the callee terminal, the mail address of the caller terminal may be set as a carrier.

  The mobile phone selection unit 30 selects one of the mobile phones 16a and 16b communicating with the external mobile phone 14 from the mobile phones 16a and 16b connected to the navigation device 12 in accordance with a predetermined condition. It is.

  The short-range wireless communication unit 34 performs wireless communication with the mobile phones 16a and 16b brought into the vehicle 10, and the address book information from the mobile phones 16a and 16b and the remaining battery level of each mobile phone 16a and 16b. Information is acquired and voice information for a call is exchanged with the external mobile phone 14 via the mobile phones 16a and 16b. For the short-range wireless communication unit 34, for example, Bluetooth technology can be used.

  The operation unit 36 obtains necessary information from various operations of the navigation device 12, for example, means for inputting route search conditions such as a departure point, a destination, and a waypoint for route search, and the mobile phones 16a and 16b. For example, a means for setting registration information of the mobile phones 16a and 16b, a means for selecting the mobile phones 16a and 16b to be used, and the like, and is composed of, for example, a key or a touch panel.

  The display unit 38 functions as a unit that displays the current position of the vehicle 10, a map image, a guidance route, and the like, a unit that displays an operation image necessary for work using the operation unit 36, and the like. Consists of panels.

  The microphone 40 is a means for giving a voice instruction to the navigation device 12 and performing a hands-free call with a callee via the mobile phones 16a and 16b. The speaker 42 is means for outputting voice information related to the route guidance information and outputting voice from the destination via the mobile phones 16a and 16b.

  In FIG. 3, mobile phones 16 a and 16 b connected to the navigation device 12 include a control unit 50, a remaining battery level detection unit 52, an address book storage unit 54, a call transmission / reception unit 56, a short-range wireless communication unit 58, and an operation unit 60. And a display unit 62, a microphone 64, and a speaker 66.

  The control unit 50 includes a CPU 68, a ROM 70, and a RAM 72. The CPU 68 executes a control program stored in the ROM 70 and / or the RAM 72, thereby controlling and supervising operations of the respective units of the mobile phones 16a and 16b.

  The remaining battery level detection unit 52 detects the remaining battery level of the mobile phones 16a and 16b.

  The address book storage unit 54 stores information on the address book registered in each of the mobile phones 16a and 16b, for example, the address book shown in FIG. The call transmission / reception unit 56 performs communication for a call between the mobile telephones 16a and 16b which are transmission source terminals and the mobile telephone 14 which is an external transmission destination terminal.

  The short-range wireless communication unit 58 performs wireless communication with the navigation device 12, transmits the address book information of the mobile phones 16 a and 16 b to the navigation device 12, and is detected by the remaining battery level detection unit 52. The battery remaining amount information of the mobile phones 16a and 16b is transmitted to the navigation device 12. The short-range wireless communication unit 58 transmits / receives voice information for a call to / from the navigation device 12. For the short-range wireless communication unit 58, for example, Bluetooth technology can be used.

  The operation unit 60 functions as various operations of the mobile phones 16a and 16b, for example, a means for inputting the telephone number of the mobile phone 14 that is a destination, a means for instructing the navigation device 12 to transmit address book information, and the like. For example, it is composed of keys and a touch panel. The display unit 62 functions as means for displaying a predetermined image during a call, means for displaying an operation image necessary for work using the operation unit 60, and the like, and is composed of, for example, a liquid crystal display panel. The microphone 64 is means for making a call with the destination, and the speaker 66 is means for outputting sound from the destination.

  Next, the operation of the hands-free call system configured as described above will be described.

  First, a route search operation by the navigation device 12 will be briefly described. When the user inputs a departure point, a waypoint, and a destination using the operation unit 36, the route search unit 22 passes from the departure point via the waypoint based on the map information stored in the map information storage unit 24. The optimum guide route to the destination is searched, and the guide route is displayed on the display unit 38 together with the map image. In addition, the current position of the vehicle 10 detected by the current position detection unit 20 is displayed on the display unit 38 together with the guidance route. The user can easily move to the destination according to the displayed information.

  Next, the operation in the case of performing a hands-free call using the navigation device 12 will be described according to the flowchart shown in FIG.

  First, as preparatory work for performing a hands-free call, information on a plurality of mobile phones is registered in the navigation device 12 using the operation unit 36. In this case, when the “setting” button is selected from the menu screen shown in FIG. 7 displayed on the display unit 38, the mobile phone registration list screen shown in FIG. 8 is displayed. The user selects the “details” button from this screen and registers necessary information. As the mobile phone information, for example, as shown in FIG. 5, a registered mobile phone that is a caller terminal, a telephone number, a connection presence / absence indicating whether or not the registered mobile phone is connected to the navigation device 12, a registered mobile phone The telephone number of the mobile phone of the destination terminal set as the discount target for the carrier and registered mobile phone is set. The set information is stored in the mobile phone registration information storage unit 28.

  Next, the address book stored in the address book storage unit 54 of each registered mobile phone is registered in the navigation device 12. In this case, the address book can be transferred from the mobile phones 16a, 16b to the navigation device 12 using the short-range wireless communication unit 34 of the navigation device 12 and the short-range wireless communication unit 58 of the mobile phones 16a, 16b. As the address book information, for example, as shown in FIG. 4, the name of the owner of the mobile phone that is the destination terminal, the telephone number, the group that classifies the owner, and the carrier of the destination terminal are transferred. The The transferred address book information is stored in the address book storage unit 26.

  After the above preparation work is completed, a hands-free call is started.

  When a hands-free call is performed, a hands-free menu screen shown in FIG. 7 is displayed on the display unit 38 of the navigation device 12. Using this screen, the mobile phone 14 that is the destination terminal is set in the navigation device 12 (step S101). In this case, after selecting the “Dial” button from the hands-free menu screen, the user inputs the telephone number of the mobile phone 14 that is the destination terminal. Further, after selecting the “Address Book” button from the hands-free menu screen, the address book is read from the address book storage unit 26 and displayed on the display unit 38 (see FIG. 4). You can also select a phone number.

  When a plurality of mobile phones 16a and 16b are connected to the navigation device 12 (step S102, YES) (in FIG. 8, two mobile phones 16a and 16b of “T003” and “P905i” are connected). ) The mobile phone selection unit 30 determines whether the setting method of the mobile phone 14 that is the destination terminal in step S101 is based on a method of directly inputting a telephone number or a method of selecting from the address book (step S103). ).

  When the mobile phone 14 that is the destination terminal is set by directly inputting the telephone number (step S103, YES), the mobile phone selection unit 30 is connected to the navigation device 12 via the short-range wireless communication unit 34. The battery remaining amount information is acquired from each mobile phone 16a, 16b (step S104). Note that the remaining battery level information is detected by the remaining battery level detection unit 52 of each mobile phone 16a, 16b. The cellular phone selection unit 30 compares the acquired battery remaining amount information, selects the cellular phone 16a or 16b having the largest remaining battery level as a transmission source terminal (step S105), and the cellular phone 16a or 16b and the cellular phone 14 are selected. And connect.

  Here, when the mobile phone 16a or 16b with the largest remaining battery level is selected as the caller terminal, a terminal selection screen for selecting the mobile phones 16a and 16b is displayed on the display unit 38 as shown in FIG. Using the screen, the user can select any one of the two mobile phones 16a and 16b connected to the navigation device 12.

  Then, the navigation device 12 performs a hands-free call with the mobile phone 14 using the selected mobile phone 16a or 16b. In this case, the user's voice input to the microphone 40 of the navigation device 12 is transmitted as a voice signal from the short-range wireless communication unit 34 to the short-range wireless communication unit 58 of the mobile phone 16a or 16b, and then the call transmission / reception unit 56. To the external mobile phone 14. On the other hand, after the voice signal from the mobile phone 14 is received by the call transmitting / receiving unit 56 of the mobile phone 16a or 16b, it is transmitted from the short-range wireless communication unit 58 to the short-range wireless communication unit 34 of the navigation device 12, and then Output from the speaker 42 of the navigation device 12.

  In this case, since the mobile phone 16a or 16b having the largest remaining battery capacity is selected as the caller terminal used for the call, the user can talk comfortably without being out of battery during the call and being unable to talk. be able to. Since the user inputs the telephone number of the mobile phone 14 that is the destination without using the address book, the user has no intention of limiting the mobile phones 16a and 16b that are the source terminals. Can be considered. Therefore, there is no inconvenience caused by selecting the mobile phone 16a or 16b having the largest remaining battery level.

  On the other hand, when the setting method of the mobile phone 14 that is the destination terminal in step S101 is set by selecting the telephone number of the mobile phone 14 that is the destination terminal from the address book (step S103, NO), the mobile phone selection unit 30 selects the mobile phone 16a or 16b having the address book corresponding to the selected telephone number as the source terminal (step S106), and connects the mobile phone 16a or 16b and the mobile phone 14. In this case, it is possible to make a call with the destination mobile phone 14 using the mobile phone 16a or 16b specified by the user's will.

  In addition, this invention is not limited to the Example mentioned above, It can change in the range which does not deviate from the summary of this invention.

  For example, the terminal transmission control device is not limited to the navigation device 12 mounted on the vehicle 10, and various devices including a personal computer can be applied as long as they can communicate with the terminal. In addition, as a terminal connected to the terminal transmission control device, as long as it communicates with an external terminal, a communication device other than the mobile phones 16a and 16b may be used. It is not limited to two.

DESCRIPTION OF SYMBOLS 10 ... Vehicle 12 ... Navigation apparatus 14, 16a, 16b ... Mobile phone 18, 50 ... Control part 20 ... Current position detection part 22 ... Route search part 24 ... Map information Storage unit 26, 54 ... Address book storage unit 28 ... Mobile phone registration information storage unit 30 ... Mobile phone selection unit 34, 58 ... Short-range wireless communication unit 36, 60 ... Operation unit 38 62, display unit 40, 64 ... microphone 42, 66 ... speaker 52 ... remaining battery level detection unit 56 ... call transmission / reception unit

Claims (2)

A transmission / reception unit that performs transmission / reception with a plurality of transmission source terminals that can communicate with the transmission destination terminal, and a transmission source terminal selection unit that selects one transmission source terminal that communicates with the transmission destination terminal. In a terminal call control device that controls a caller terminal and sends a call to the callee terminal,
A battery level information acquisition unit for acquiring battery level information of each of the caller terminals;
The terminal transmission control device, wherein the transmission source terminal selection unit selects the transmission source terminal having the largest remaining battery level based on the acquired remaining battery level information. The terminal transmission control device according to claim 1,
An address book storage unit that stores an address book of the destination terminal corresponding to each source terminal;
Directly set the destination terminal or a destination terminal setting unit for setting the destination terminal from the address book;
The source terminal selection unit selects the source terminal with the largest remaining battery level based on the acquired battery remaining amount information when the destination terminal setting unit directly sets the destination terminal. And when the said transmission destination terminal setting part sets the said transmission destination terminal from the said address book, the said transmission source terminal corresponding to the said address book is selected, The terminal transmission control apparatus characterized by the above-mentioned.

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