JP2021146868A - Vehicular display device - Google Patents

Abstract

An object of the present invention is to provide a display device for a vehicle that allows information on a desired vehicle-mounted device to be easily acquired in a configuration in which information regarding the vehicle-mounted device is displayed on a mobile terminal. A vehicle display device 10 includes an image acquisition section that acquires an image photographed by a mobile terminal 30, and information that causes the mobile terminal 30 to display information of an in-vehicle device corresponding to the image acquired by the image acquisition section. The information display unit transmits information to the mobile terminal 30 according to the seating position of the passenger acquired by the display unit, the seating position acquisition unit that acquires the seating position of the occupant who has the mobile terminal, and the seating position acquisition unit. and a display setting section that changes the displayed content or hides information. [Selection diagram] Figure 1

Description

The present invention relates to a vehicle display device.

Patent Document 1 discloses a mobile terminal device that identifies a target device from a captured image captured by a mobile terminal and superimposes and displays an operation guidance of the target device on the captured image.

International Patent Publication No. 2019/150529

However, when the mobile terminal device described in Patent Document 1 is applied to a vehicle, it is necessary to display information on many in-vehicle devices such as an air conditioner, a center display, and a rear monitor, and information on a desired in-vehicle device is acquired. There is room for improvement to make it easier.

In consideration of the above facts, an object of the present invention is to obtain a vehicle display device capable of easily acquiring information on a desired vehicle-mounted device in a configuration in which information on the vehicle-mounted device is displayed on a mobile terminal.

The vehicle display device according to claim 1 causes the mobile terminal to display information on an image acquisition unit that acquires an image taken by the mobile terminal and an in-vehicle device corresponding to the image acquired by the image acquisition unit. The mobile phone by the information display unit according to the information display unit, the seating position acquisition unit that acquires the seating position of the occupant holding the mobile terminal, and the seating position of the occupant acquired by the seating position acquisition unit. It has a display setting unit that changes the display content of information on the terminal or hides the information.

In the vehicle display device according to claim 1, the image acquisition unit acquires an image taken by a mobile terminal. Further, the information display unit causes the mobile terminal to display the information of the in-vehicle device corresponding to the image acquired by the image acquisition unit. The in-vehicle device referred to here is not limited to electrically operated in-vehicle devices such as an air conditioner, an electric seat, and a center display, but is a mechanical device such as a retractable table and a sun visor stored in an armrest. It is a concept that includes.

Here, the seating position acquisition unit acquires the seating position of the occupant possessing the mobile terminal. Then, the display setting unit changes the display content of the information on the mobile terminal by the information display unit or hides the information according to the seating position of the occupant acquired by the seating position acquisition unit. Thereby, for example, the content to be displayed on the mobile terminal can be changed between the occupant seated in the rear seat and the occupant seated in the front seat. Further, it is possible to display the information about the predetermined in-vehicle device only on the mobile terminal of the occupant in the front seat and not to display it on the mobile terminal of the occupant in the rear seat.

As described above, according to the vehicle display device according to the present invention, it is possible to easily acquire information on a desired in-vehicle device.

It is a schematic view which looked at the front part of the passenger compartment of the vehicle provided with the vehicle display device which concerns on embodiment from the rear side of a vehicle, and is the figure which shows the state which image | photographed the air outlet with a mobile terminal. It is the schematic which shows an example of the display screen of the mobile terminal in embodiment. It is a schematic view which looked at the front part of the vehicle interior of the vehicle provided with the vehicle display device which concerns on embodiment from the rear side of the vehicle, and is the figure which shows the state which image | photographed the center display with a mobile terminal. It is the schematic which shows an example of the display screen of the mobile terminal in embodiment. It is the schematic which shows an example of the display screen of the mobile terminal in the state which the armrest is photographed by the mobile terminal in embodiment. It is the schematic which shows an example of the display screen of the mobile terminal in embodiment. It is a block diagram which shows the hardware composition of the display device for a vehicle which concerns on embodiment. It is a block diagram which shows the hardware composition of the mobile terminal in embodiment. It is a block diagram which shows the functional structure of the vehicle display device which concerns on embodiment. It is a flowchart which shows an example of the flow of the display process in Embodiment.

The vehicle display device 10 according to the embodiment will be described with reference to the drawings. For convenience of explanation, the size of some drawings is exaggerated.

As shown in FIG. 1, a driver's seat 14 and a passenger seat 16 are provided in the front portion of the vehicle interior of the vehicle 12 to which the vehicle display device 10 according to the present embodiment is applied. The driver's seat 14 is arranged on the right side of the vehicle, and the passenger seat 16 is arranged on the left side of the vehicle. That is, the vehicle 12 of the present embodiment is a right-hand drive vehicle in which the steering wheel is provided on the right side of the vehicle.

A right rear seat 18 is arranged behind the vehicle of the driver's seat 14, and a left rear seat 20 is arranged behind the vehicle of the passenger seat 16. The right rear seat 18 and the left rear seat 20 are separate seats arranged apart from each other in the vehicle width direction. Further, armrests 18B are provided on both left and right sides of the seat cushion 18A in the right rear seat 18, and armrests 20B are provided on both left and right sides of the seat cushion 20A in the left rear seat 20. Here, a retractable table as an in-vehicle device (not shown) is stored below the armrest 18B on the right side of the vehicle in the right rear seat 18. A similar retractable table is also stored in the armrest 20B on the right side of the vehicle in the left rear seat 20.

A front windshield 22 is provided in front of the vehicle in the driver's seat 14 and the passenger seat 16. The front windshield 22 extends in the vehicle width direction and the vehicle vertical direction, and the lower end portion of the front windshield 22 is connected to the instrument panel 23.

Here, a center display 24 as an in-vehicle device is provided at the center of the instrument panel 23 in the vehicle width direction. The center display 24 is configured so that the information of the navigation system and the information of multimedia such as a television and a moving image can be switched and displayed, and the information of the navigation system is displayed in FIG. The screen may be divided to display both navigation system information and multimedia information.

A center console 26 is provided between the driver's seat 14 and the passenger seat 16, and an air outlet 28 for an air conditioner for the rear seats is provided at the rear of the center console 26. Then, by operating the air conditioner for the rear seats, the temperature-controlled air is blown from the air outlet 28 to the right rear seat 18 and the left rear seat 20.

(Hardware configuration of vehicle display device 10)
Next, the hardware configuration of the vehicle display device 10 according to the present embodiment will be described. As shown in FIG. 7, the vehicle display device 10 includes an ECU (Electronic Control Unit) 32 which is a control unit. The ECU 32 includes a CPU (Central Processing Unit: processor) 36, a ROM (Read Only Memory) 38, a RAM (Random Access Memory) 40, a storage 42, a communication interface 44, and an input / output interface 46. Each configuration is communicably connected to each other via a bus 34.

The CPU 36 is a central arithmetic processing unit that executes various programs and controls each unit. That is, the CPU 36 reads the program from the ROM 38 or the storage 42, and executes the program using the RAM 40 as a work area. The CPU 36 controls each of the above configurations and performs various arithmetic processes according to the program recorded in the ROM 38 or the storage 42.

The ROM 38 stores various programs and various data. The RAM 40 temporarily stores a program or data as a work area. The storage 42 is a non-temporary recording medium that is composed of an HDD (Hard Disk Drive) or an SSD (Solid State Drive) and stores various programs including an operating system and various data.

The communication interface 44 is an interface for the ECU 32 to communicate with the mobile terminal 30. The communication interface 44 is also used for communication with a server and other devices (not shown), and standards such as Ethernet (registered trademark), LTE, FDDI, and Wi-Fi (registered trademark) are used.

The input / output interface 46 includes a center display 24, a rear monitor 29, a seat actuator 31, a front seat air conditioner 48, a rear seat air conditioner 50, a passenger seat receiver 52, a right rear seat receiver 54, and a left rear seat. Receiver 56 is connected. The center display 24, the rear monitor 29, the front seat air conditioner 48, and the rear seat air conditioner 50 are examples of in-vehicle devices. As shown in FIG. 1, the center display 24 is provided on the instrument panel 23 as described above, and various types of information are switched and displayed.

The rear monitor 29 is arranged on the ceiling behind the driver's seat 14 and the passenger seat 16, and displays information to the occupants seated in the right rear seat 18 and the left rear seat 20. The rear monitor 29 and the center display 24 may display different information.

As shown in FIG. 7, the seat actuator 31 is an electric actuator that slides the driver's seat 14, the passenger seat 16, the right rear seat 18, and the left rear seat 20 in the front-rear direction of the vehicle, respectively. Then, the position in the front-rear direction of each seat slid by the seat actuator 31 is transmitted to and stored in the ECU 32. Although each seat is provided with a seat actuator 31, the seat actuator 31 is collectively referred to as a seat actuator 31 for convenience of explanation.

The front seat air conditioner 48 is arranged, for example, on the vehicle front side of the instrument panel 23, and blows temperature-controlled air into the vehicle interior from an air outlet (not shown) formed on the instrument panel 23. On the other hand, the rear seat air conditioner 50 is arranged inside the trim around the rear seats, for example, and blows temperature-controlled air from the air outlet 28 into the vehicle interior.

The passenger seat receiver 52 is arranged around the passenger seat 16 and is a device that performs mutual authentication with a mobile terminal by short-range wireless communication. In the present embodiment, as an example, the center console 26 It is buried in the upper part of. Then, by bringing the mobile terminal close to the place where the passenger seat receiver 52 is buried while the occupant is seated in the passenger seat 16, the mobile terminal can be used as a mobile terminal possessed by the occupant seated in the passenger seat 16. It will be remembered.

The right rear seat receiver 54 is a device that is arranged around the right rear seat 18 and performs mutual authentication with a mobile terminal by short-range wireless communication. It is buried in the left armrest 18B in the rear seat 18. Then, by bringing the mobile terminal close to the place where the receiver 54 for the right rear seat is buried while the occupant is seated in the right rear seat 18, the mobile terminal is possessed by the occupant seated in the right rear seat 18. It is stored as a mobile terminal. The mobile terminal 30 shown in FIGS. 1 to 7 is a mobile terminal possessed by the occupant of the right rear seat 18.

The left rear seat receiver 56 is arranged around the left rear seat 20 and is a device that performs mutual authentication with a mobile terminal by short-range wireless communication. In the present embodiment, as an example, the left is left. It is buried in the right armrest 20B in the rear seat 20. Then, by bringing the mobile terminal close to the place where the receiver 56 for the left rear seat is buried while the occupant is seated in the left rear seat 20, the mobile terminal is possessed by the occupant seated in the left rear seat 20. It is stored as a mobile terminal.

(Hardware configuration of mobile terminal 30)
Next, the hardware configuration of the mobile terminal 30 in this embodiment will be described. As shown in FIG. 8, the mobile terminal 30 includes a control unit 60. The control unit 60 includes a CPU (Central Processing Unit: processor) 62, a ROM (Read Only Memory) 64, a RAM (Random Access Memory) 66, a storage 68, a communication interface 70, and an input / output interface 72. The configurations are connected to each other via the bus 61 so as to be able to communicate with each other.

The CPU 62 is a central arithmetic processing unit that executes various programs and controls each unit. That is, the CPU 62 reads the program from the ROM 64 or the storage 68, and executes the program using the RAM 66 as a work area. The CPU 62 controls each of the above configurations and performs various arithmetic processes according to the program recorded in the ROM 64 or the storage 68.

The ROM 64 stores various programs and various data. The RAM 66 temporarily stores a program or data as a work area. The storage 68 is a non-temporary recording medium that is composed of an HDD (Hard Disk Drive) or an SSD (Solid State Drive) and stores various programs including an operating system and various data.

The communication interface 70 is an interface for communicating with a server and other devices (not shown) of the mobile terminal 30.

A camera 74, a display panel 76, a speaker 78, and a microphone 80 are connected to the input / output interface 72. The camera 74 is provided on the back surface of the mobile terminal 30 and is configured to be capable of photographing the surroundings.

The display panel 76 is provided on the surface of the mobile terminal 30 to display various types of information, and the captured image is displayed in the state of being photographed by the camera 74. The speaker 78 outputs sound from the mobile terminal 30 to the surroundings. Further, the microphone 80 collects sounds around the mobile terminal 30.

(Functional configuration of vehicle display device 10)
The vehicle display device 10 realizes various functions by using the above hardware resources. The functional configuration realized by the vehicle display device 10 will be described with reference to FIG.

As shown in FIG. 9, the vehicle display device 10 has an image acquisition unit 82, an in-vehicle device identification unit 84, an information display unit 86, a seating position acquisition unit 88, a seat position acquisition unit 90, and a display presence / absence determination as functional configurations. It is configured to include a unit 92 and a display content determination unit 94. Each functional configuration is realized by the CPU 62 of the mobile terminal 30 reading and executing the program stored in the ROM 64 or the storage 68.

The image acquisition unit 82 acquires an image taken by the mobile terminal. In the following description, as an example, a state in which the vehicle interior is photographed using the mobile terminal 30 possessed by the occupant seated in the right rear seat 18 will be described. Therefore, the image acquisition unit 82 acquires the image taken by the mobile terminal 30. As shown in FIG. 1, the occupant in the left rear seat 20 is photographing the air outlet 28 with the mobile terminal 30. Therefore, an image including the air outlet 28 is displayed on the display panel 76 of the mobile terminal 30. Then, the image acquisition unit 82 acquires the image displayed on the display panel 76.

The vehicle-mounted device identification unit 84 identifies the vehicle-mounted device from the image acquired by the image acquisition unit 82. Here, from the image including the air outlet 28 acquired by the image acquisition unit 82, it is specified that the image corresponds to the rear seat air conditioner 50 which is an in-vehicle device. In the present embodiment, as an example, the vehicle-mounted device is specified by comparing the image acquired by the image acquisition unit 82 with the image related to the vehicle-mounted device stored in the ROM 64 or the storage 68 in advance. As the images registered in advance, in addition to the air outlet 28, images of the center display 24, the rear monitor 29, the armrest, and the like are registered. In addition, an image of an air outlet (not shown) in which air from the front seat air conditioner 48 is blown is also stored.

The information display unit 86 shown in FIG. 9 causes the mobile terminal 30 to display information on the in-vehicle device corresponding to the image acquired by the image acquisition unit 82. That is, here, the information display unit 86 displays the information of the rear seat air conditioner 50 specified by the vehicle-mounted device identification unit 84 on the display panel 76 of the mobile terminal 30.

FIG. 2 shows a state in which an example of information on the rear seat air conditioner 50 is displayed on the display panel 76 of the mobile terminal 30. Then, in the display area D1 at the upper part of the display panel 76, icons imitating the characters "ON" and "OFF" are displayed, and the occupant is "ON" while the rear seat air conditioner 50 is inactive. When the icon of is selected, a signal for operating the rear seat air conditioner 50 is transmitted. Conversely, if the occupant selects the "OFF" icon while the rear seat air conditioner 50 is operating, a signal for stopping the rear seat air conditioner 50 is transmitted.

The currently set air volume is displayed in the display area D2 in the middle of the display panel 76. In addition, icons imitating "-" and "+" are displayed on the left and right of the set air volume, and the occupant can change to any set air volume by operating these icons. ing.

The current set temperature is displayed in the display area D3 at the bottom of the display panel 76. In addition, icons imitating "-" and "+" are displayed on the left and right of the set temperature, and the occupant can change to any set temperature by selecting these icons. ing.

As shown in FIG. 9, the seating position acquisition unit 88 acquires the seating position of the occupant holding the mobile terminal 30. Specifically, the seating position acquisition unit 88 is the seating position of the occupant based on the information of the mobile terminal mutually authenticated by the passenger seat receiver 52, the right rear seat receiver 54, and the left rear seat receiver 56. To get. For example, by mutually authenticating the mobile terminal 30 possessed by the occupant of the right rear seat 18 with the receiver 54 for the right rear seat, the seating position of the occupant possessing the mobile terminal 30 is the right rear seat 18. Is stored in the ECU 32. Then, the seating position acquisition unit 88 acquires the information stored in the ECU 32.

The seat position acquisition unit 90 acquires position information of each seat in the vehicle front-rear direction. Specifically, the position in the front-rear direction of each seat that is transmitted to and stored in the ECU 32 is acquired. Since the information on the front-rear position stored in the ECU 32 is updated each time each seat is slid back and forth by the seat actuator 31, the seat position acquisition unit 90 acquires the current front-rear position of each seat. You can do it.

The display presence / absence determination unit 92 hides the information to be displayed on the mobile terminal 30 by the information display unit 86 according to the seating position of the occupant acquired by the seating position acquisition unit 88. Specifically, when the seating position acquisition unit 88 recognizes that the occupant holding the mobile terminal is seated in the passenger seat, the air outlet 28 of the rear seat air conditioner 50 is photographed by this mobile terminal. Even if this is the case, the information of the rear seat air conditioner 50 is not displayed on the mobile terminal. That is, since the required information differs depending on the seated position, the display presence / absence determination unit 92 functions to display the information only on the mobile terminal of the occupant who needs the information.

The information to be hidden according to the seating position is stored in the ROM 64 or the storage 68 in advance. For example, the occupants of the right rear seat 18 and the left rear seat 20 are set as non-display information because the operation guidance regarding the peripheral devices of the instrument panel 23 is not required. In addition, information about the front seat air conditioner 48 is also set as non-display information. On the other hand, for the occupants of the passenger seat 16, information regarding the rear seat air conditioner 50 is set as non-display information. In addition, information about the devices around the right rear seat 18 and the left rear seat 20 is also set as non-display information.

The display content determination unit 94 changes the display content of the information displayed on the mobile terminal by the information display unit 86 according to the seating position of the occupant acquired by the seating position acquisition unit 88. The display presence / absence determination unit 92 and the display content determination unit 94 correspond to the "display setting unit" according to the present invention.

The display content determination unit 94 may, for example, take a picture of the center display 24 with a mobile terminal possessed by an occupant in the passenger seat and a center with a mobile terminal 30 possessed by an occupant seated in the right rear seat 18. The display content to be displayed by the information display unit 86 is changed depending on whether the display 24 is photographed or not. Hereinafter, a specific description will be given.

As shown in FIG. 3, when the occupant of the left rear seat 20 is photographing the center display 24 with the mobile terminal 30, the display panel 76 of the mobile terminal 30 displays an image including the center display 24. .. Then, the image acquisition unit 82 acquires the image displayed on the display panel 76.

The in-vehicle device identification unit 84 identifies the image related to the center display 24 from the image including the center display 24 acquired by the image acquisition unit 82.

The information display unit 86 causes the display panel 76 of the mobile terminal 30 to display information regarding the center display 24 specified by the vehicle-mounted device identification unit 84. Here, the display content determination unit 94 changes the content to be displayed on the mobile terminal 30 according to the seating position of the occupant. For the mobile terminal 30 possessed by the occupant seated in the right rear seat 18, information on the navigation system is displayed on the display panel 76 by the information display unit 86. On the other hand, when the mobile terminal 30 is a mobile terminal owned by an occupant seated in the passenger seat, the display content determination unit 94 displays information on the operation guidance of the center display 24 on the display panel 76 by the information display unit 86. Display it.

FIG. 4 shows a state in which an example of navigation system information is displayed on the display panel 76 of the mobile terminal 30. Then, in the display area D4 at the upper part of the display panel 76, map information around the own vehicle is displayed. Further, in the display area D5 at the lower part of the display panel 76, the destination, the distance to the destination, and the estimated time of arrival are displayed.

On the other hand, although not shown, when the information regarding the operation guidance of the center display 24 is displayed on the display panel 76, for example, the explanation of the selection item displayed on the center display 24 is displayed on the display panel 76. Here, a case where the operation guidance of the armrest 18B is displayed with reference to FIGS. 5 and 6 will be described below.

As shown in FIG. 5, when the occupant of the left rear seat 20 is photographing the right armrest 18B in the right rear seat 18 with the mobile terminal 30, the display panel 76 of the mobile terminal 30 includes an image including the armrest 18B. Is displayed. Then, the image acquisition unit 82 acquires the image displayed on the display panel 76.

The vehicle-mounted device identification unit 84 identifies the vehicle-mounted device from the image acquired by the image acquisition unit 82. Here, from the image including the armrest 18B acquired by the image acquisition unit 82, it is specified that the image is related to the armrest 18B.

The information display unit 86 causes the display panel 76 of the mobile terminal 30 to display information regarding the armrest 18B specified by the vehicle-mounted device identification unit 84. Specifically, the information display unit 86 superimposes and displays the mark M1 and the mark M2 on the image of the armrest 18B displayed on the display panel 76. The mark M1 is a mark that imitates the characters of "side table". This is a mark for notifying that the retractable table is stored under the armrest 18B on the right side. Further, the mark M2 is a mark imitating an arrow and points to the armrest 18B.

When the occupant selects the superimposed display mark M1, as shown in FIG. 6, the operation guidance of the side table is displayed in the display area D6 on the display panel 76 of the mobile terminal 30.

The display content determination unit 94 shown in FIG. 9 may change the content to be displayed on the display panel 76 of the mobile terminal 30 according to the content displayed on the center display 24, for example. For example, when the information about the navigation system is displayed on the center display 24 as shown in FIGS. 1 and 3, the information on the navigation system is displayed on the display panel 76 of the mobile terminal 30 as shown in FIG. .. On the other hand, when the information on the multimedia is displayed on the center display 24, the display content determination unit 94 may display the information on the multimedia on the display panel 76 of the mobile terminal 30 by the function of the information display unit 86. good. For example, the image selection screen or the like to be displayed on the center display 24 may be displayed on the display panel 76 of the mobile terminal 30.

(Action)
Next, the operation of this embodiment will be described.

(Display processing)
An example of a display process for displaying information on the display panel 76 of the mobile terminal 30 will be described with reference to the flowchart shown in FIG. This display process is executed by the CPU 62 reading the display program from the ROM 64 or the storage 68, expanding it into the RAM 66, and executing the display program.

As shown in FIG. 10, the CPU 62 determines whether or not mutual authentication has been performed with the mobile terminal 30 in step S102. Specifically, it is determined whether or not the mobile terminal 30 is mutually authenticated with the passenger seat receiver 52, the right rear seat receiver 54, or the left rear seat receiver 56. Then, when the CPU 62 determines that the mobile terminal 30 has been mutually authenticated, the CPU 62 proceeds to the process of step S104. Further, when the CPU 62 determines that the mobile terminal 30 has not been mutually authenticated, the CPU 62 ends the display process.

The CPU 62 acquires the seating position of the occupant holding the mobile terminal 30 in step S104. Specifically, the function of the seating position acquisition unit 88 acquires the seating position of the occupant who possesses the mobile terminal 30 based on the receiver mutually authenticated with the mobile terminal 30.

Subsequently, the CPU 62 determines in step S106 whether or not the in-vehicle device is being photographed by the camera 74 of the mobile terminal 30. Then, when the CPU 62 determines that the in-vehicle device is being photographed, the CPU 62 proceeds to the process of step S108. Further, when the CPU 62 determines that the in-vehicle device is not being photographed, the CPU 62 ends the display process.

The CPU 62 determines in step S108 whether or not the information about the in-vehicle device photographed by the camera 74 of the mobile terminal 30 is the display target. Specifically, when it is determined by the function of the display presence / absence determination unit 92 that the information of the in-vehicle device is not displayed according to the seating position of the occupant, the CPU 62 determines that the information is not a display target and ends the display process.

On the other hand, when it is determined in step S108 that the information of the in-vehicle device is to be displayed, the CPU 62 considers it to be a display target and proceeds to the process of step S110. In step S110, the CPU 62 causes the display panel 76 of the mobile terminal 30 to display information about the in-vehicle device. Specifically, the display content determined by the function of the display content determination unit 94 is displayed on the display panel 76. Then, the CPU 62 ends the display process.

As described above, in the present embodiment, the seating position of the occupant holding the mobile terminal 30 is acquired by the seating position acquisition unit 88, and the display setting unit is the seating position of the occupant acquired by the seating position acquisition unit 88. The display content of the information to be displayed on the mobile terminal 30 is changed or the information is hidden according to the above. This makes it easier to obtain information on the desired in-vehicle device.

Although the vehicle display device according to the embodiment has been described above, it goes without saying that it can be implemented in various modes as long as it does not deviate from the gist of the present invention. For example, in the above embodiment, at least a part of each function shown in FIG. 9 may be realized by the CPU 36 on the vehicle side reading and executing the program stored in the ROM 38 or the storage 42.

Further, in the above embodiment, the vehicle-mounted device identification unit 84 identifies the vehicle-mounted device by comparing the image acquired by the image acquisition unit 82 with the image related to the vehicle-mounted device registered in the ROM 64 or the storage 68 in advance. , Not limited to this. For example, in addition to comparing the images, the vehicle-mounted device may be specified based on the distance and direction from the reference coordinates in the vehicle interior. In this case, there is a method in which a predetermined mark is set at a position serving as a reference coordinate in the vehicle interior and the reference coordinate is stored in the mobile terminal by reading the mark with the camera of the mobile terminal. Further, the coordinates of the vehicle-mounted device with respect to the reference coordinates may be finely adjusted according to the position acquired by the seat position acquisition unit 90.

Further, in the above embodiment, the seating position acquisition unit 88 is based on the information of the mobile terminal mutually authenticated by the passenger seat receiver 52, the right rear seat receiver 54, and the left rear seat receiver 56. Obtained a seating position, but is not limited to this. For example, the seating position acquisition unit 88 may acquire the seating position of the occupant by using a camera that photographs the interior of the vehicle. In this case, if the combination of the occupant's face information and the information of the mobile terminal possessed by the occupant is stored in advance, the occupant's face photographed by the camera can be recognized to recognize the mobile terminal possessed by the occupant. You can get the position.

As another method, the seating position acquisition unit 88 may acquire the seating position of the occupant based on the image taken by the mobile terminal. For example, when the center display 24 is photographed from the right rear seat 18, the image of the center display 24 is smaller than that of the front seat. Further, the angle of the image is different between the center display 24 taken from the right rear seat 18 and the center display 24 taken from the left rear seat 20. Based on this information, the seating position of the occupant holding the mobile terminal may be specified from the image acquired by the image acquisition unit 82.

Further, in the above embodiment, the case where the air outlet 28, the center display 24, and the armrest 18B are photographed has been described, but the present invention is not limited to this, and when another in-vehicle device is photographed, information about the in-vehicle device is transmitted to the mobile terminal 30. It may be displayed on the display panel 76. For example, by photographing the rear monitor 29 shown in FIG. 1, information on the rear monitor 29 may be displayed on the display panel 76 of the mobile terminal 30. In this case, an operation panel or the like for changing the image displayed on the rear monitor 29 from the mobile terminal 30 may be displayed.

Further, by photographing the anchors of the CRS (Child Restraint System) provided around the right rear seat 18 and the left rear seat 20, the guidance for attaching the CRS is displayed on the display panel 76 of the mobile terminal 30. You may.

10 Vehicle display device 24 Center display (vehicle-mounted device)
29 Rear monitor (vehicle-mounted device)
30 Mobile terminal 48 Front seat air conditioner (vehicle-mounted device)
50 Rear seat air conditioner (vehicle-mounted device)
82 Image acquisition unit 86 Information display unit 92 Display presence / absence determination unit (display setting unit)
94 Display content determination unit (display setting unit)

Claims (1)

An image acquisition unit that acquires images taken by mobile terminals,
An information display unit that causes the mobile terminal to display information on an in-vehicle device corresponding to the image acquired by the image acquisition unit.
A seating position acquisition unit that acquires a seating position of an occupant possessing the mobile terminal, and a seating position acquisition unit.
A display setting unit that changes the display content of information on the mobile terminal by the information display unit or hides the information according to the seating position of the occupant acquired by the seating position acquisition unit.
Display device for vehicles having.

Images