On-vehicle device, display control method, on-vehicle system and display control program

Abstract

To adjust a display content between a display device capable of being added to a vehicle and an existing device.SOLUTION: An on-vehicle device is configured to cooperate with a first display device retrofittable to a vehicle. The on-vehicle device includes a control part for displaying at least a part of a content displayed on an existing second display device provided on the vehicle on the first display device, and changing the display content of the second display device, when detecting that the first display device is mounted on the vehicle.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to an in-vehicle device, a display control method, an in-vehicle system, and a display control program for controlling a display device mounted in a vehicle. [Background technology]

[0002] Meters and other instruments can be added to automobiles. For example, a retrofit vehicle meter has been proposed that receives data from sensors that output data such as water temperature, oil temperature, exhaust temperature, oil pressure, fuel pressure, boost pressure, and intake pressure, which are installed in the vehicle's engine and peripheral control devices, and displays the measured values ​​(Patent Document 1). This technology involves providing packet servers that are grouped according to the characteristics of each sensor, and configuring the packet servers to be connectable to retrofit meters that display the corresponding measured values.

[0003] Furthermore, a technology has been proposed for easily retrofitting a display device that displays a guidance image in conjunction with a navigation device (Patent Document 2). In this technology, a portable device acquires the route guidance voice of the navigation device, generates a guidance image based on the recognition results of the guidance voice, and transmits it to a display device. The display device displays the guidance image on a head-up display. In other words, the guidance image of the navigation device can be displayed on a head-up display without connecting the navigation device and the display device. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2006-248501 [Patent Document 2] Japanese Patent Application Laid-Open No. 2008-160496 Summary of the Invention [Problem to be solved by the invention]

[0005] When adding a display device to a vehicle, if the information displayed on the meters or on the on-board device that are already installed on the vehicle's instrument panel is also displayed on the additional display device, duplicated information will be displayed inside the vehicle. Therefore, the present technology aims to make it possible to adjust the display content between the display device that can be added to the vehicle and the existing device. [Means for solving the problem]

[0006] The in-vehicle device according to the present disclosure is capable of cooperating with a first display device that can be retrofitted to a vehicle. The in-vehicle device also includes a control unit that, when detecting that the display device has been installed in the vehicle, displays on the first display device at least a portion of the content that was previously displayed on a second display device already installed in the vehicle, and changes the display content of the second display device. [Effects of the Invention]

[0007] According to the present technology, it is possible to adjust the display content between a display device that can be added to a vehicle and existing equipment. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a diagram illustrating a multi-information display. [Figure 2] FIG. 2 is a block diagram illustrating an example of a system configuration. [Figure 3] FIG. 3 is a diagram showing an example of a dashboard in front of the driver's seat. [Figure 4] FIG. 4 is a processing flow diagram illustrating an example of the display control processing. [Figure 5] FIG. 5 is a diagram showing an example of display content settings. [Figure 6] FIG. 6 is a diagram showing an example of the display content. [Figure 7] FIG. 7 is a diagram showing an example of the display content. [Figure 8] FIG. 8 is a diagram showing an example of the display content. [Figure 9]FIG. 9 is a diagram for explaining a composite image. [Figure 10] FIG. 10 is a diagram showing an example of the display content. [Figure 11] FIG. 11 is a diagram showing an example of the display content. DETAILED DESCRIPTION OF THE INVENTION

[0009] <Embodiment> Hereinafter, an embodiment will be described with reference to the drawings. FIG. 1 is a diagram for explaining a multi-information display (MID). In the embodiment, the in-vehicle device 10 of the vehicle 1 cooperates with a display device 20 (20A to 20C in FIG. 1) that can be retrofitted to the vehicle 1. The display device 20 is an MID that can be retrofitted to the dashboard of the vehicle 1, or may be a mobile display that the user can carry. The display device 20 will also be referred to as an "additional display device" or a "first display device." The display device 20 is preferably powered by the vehicle 1 via a wired or wireless connection. When the in-vehicle device 10 detects that the display device 20 has been installed in the vehicle 1 (in other words, that the display device 20 has been connected to the system), the in-vehicle device 10 further displays a predetermined image on the display device 20. That is, the display device 20 acquires a video signal or data based thereon from the in-vehicle device 10 via a wired or wireless connection and displays the image. The vehicle 1 is equipped with an existing display (display device 13, described later) such as a digital meter, and the in-vehicle device 10 also controls the image displayed on the existing display. The display device 13 will also be referred to as an "existing display device" or a "second display device."

[0010] The display device 20A shown in Fig. 1 is a roll-type flexible display that can be pulled out and wound up. The display device 20A can be fixed to a dashboard, for example, with a suction cup. Furthermore, in order to prevent a decrease in visibility due to reflection of sunlight, etc., the radius of curvature of the display device 20A is preferably approximately 1000 mm to 4000 mm, and more preferably approximately 1000 mm.

[0011] 1 is a foldable display. Note that the display device 20B may be a flexible display that achieves folding, or may be a display device that achieves folding by connecting two or more flat displays with a hinge.

[0012] The display device 20C shown in FIG. 1 is a so-called tablet or slate PC (Personal Computer). The display device 20B and the display device 20C are provided, for example, in the cabin of the vehicle 1. The tablet must be able to be held by a tablet holder.

[0013] 1 are merely examples, and various displays that can be retrofitted to the vehicle 1 can be used as the display device 20. Furthermore, the user can bring at least one display device 20 into the vehicle 1 and install the display device 20, for example, on the dashboard. This makes it easy to add more display devices.

[0014] <Device configuration> 2 is a block diagram illustrating an example of the system configuration. The vehicle 1 is, for example, an automobile. The vehicle 1 includes an in-vehicle device 10, a display device 20 brought in by a user, a sensor 30, and a camera 40.

[0015] The in-vehicle device 10 is a computer, and includes a control unit 11, a storage device 12, a display device 13, a user interface (UI) 14, and a communication interface (IF) 15. The control unit 11 includes, for example, a CPU (Central Processing Unit), an MCU (Micro Controller Unit), an MPU (Micro Processing Unit), a GPU (Graphics Processing Unit), The storage device 12 is a processing device including at least one of a processor such as a DSP (Digital Signal Processor), an FPGA (Field Programmable Gate Array), an ASIC (Application Specific IC), an ASSP (Application Specific Standard Product), etc. The storage device 12 includes at least one of a main storage device such as a RAM (Random Access Memory) or a ROM (Read Only Memory), and an auxiliary storage device such as a HDD (Hard-Disk Drive), an SSD (Solid State Drive), or a flash memory. The storage device 12 temporarily stores programs read by the control unit 11 and information to be processed, and secures a work area for the control unit 11. The storage device 12 may include an area functioning as a frame buffer or a frame memory. The display device 13 is, for example, a display panel provided on the dashboard and functioning as a digital meter. The UI 14 includes at least one of buttons provided on the instrument panel and a display with a stacked touch panel, and receives inputs from users. The communication IF 15 is, for example, a communication module that communicates based on a wireless communication standard such as Bluetooth (registered trademark). The communication IF 15 may also be an interface for transmitting video signals via a wired connection.

[0016] The display device 20 is an external display, and includes a processor 21, a storage device 22, a display panel 23, and a communication IF 24. The display device 20 may further include a camera 25 (in other words, a front camera (in-camera)) that captures an image of the display panel 23 side. The processor 21 is, for example, a display controller, a processor, an FPGA, etc. The storage device 22 is, for example, a frame memory, a main storage device, an auxiliary storage device, etc. The storage device 22 stores image data to be displayed on the display panel 23. The display panel 23 is, for example, a liquid crystal panel or an organic EL (Electroluminescent) panel. The communication IF 24 is a wireless communication interface such as Bluetooth. The communication IF 24 is a communication module that performs communication based on a communication standard. The communication IF 24 may be an interface for transmitting video signals via a wire. The camera 25 is an imaging device that converts light into an electrical signal using an image sensor such as a CCD or CMOS, and creates and outputs image data. The camera 25 captures an image of a user in the driver's seat, for example. The display device 20 does not necessarily have to be equipped with the camera 25.

[0017] The sensor 30 includes at least one of a vehicle speed sensor, a rotation sensor, a fuel level sensor, an engine coolant temperature sensor, a sensor for detecting abnormalities related to warning lights provided in a general meter panel, a distance measurement sensor, a steering angle sensor, etc. The vehicle speed sensor is, for example, a vehicle speed pulse generator, which generates a pulse signal (vehicle speed signal) corresponding to the rotation of the axle. The vehicle speed signal is transmitted to the in-vehicle device 10, etc. via an ECU (Electronic Control Unit). The speedometer display and the accumulated distance on the trip meter and odometer can be calculated based on the vehicle speed signal. Rotation sensors include the engine crank angle sensor and the motor resolver. Distance sensors include LiDAR, millimeter-wave radar, and ultrasonic sensors (sonar).

[0018] Camera 40 is an imaging device for capturing images of the outside of vehicle 1. Camera 40 may include a camera for an electronic side mirror that is provided instead of a side mirror. Camera 40 may also include, for example, a front camera that is provided on the front grille and captures an image in front of vehicle 1, two side cameras that are provided near the left and right side mirrors, respectively, and capture images on the left and right sides of vehicle 1, and a back camera that is provided on the back door and captures an image behind vehicle 1.

[0019] The in-vehicle device 10, the sensor 30, and the camera 40 are also connected via signal lines or wirelessly. These components are based on CAN (Controller Area Network), LIN (Local Interconnect Network), CAN-FD (CAN Flexible Data Rate), FlexRay, and in-vehicle In-vehicle communication may be performed in accordance with standards such as Ethernet (registered trademark).

[0020] Fig. 3 is a diagram showing an example of a dashboard in front of the driver's seat. In the example of Fig. 3, a display device 13 is disposed in a part of an instrument panel in which meters are generally fitted. In addition, a display panel 23 of a display device 20 is disposed in a position on the dashboard near the windshield. A user installs the display device 20 in a vehicle 1, for example, as shown in Fig. 3.

[0021] <Display control processing> 4 is a processing flow diagram showing an example of display control processing. For example, when the accessory power supply of the vehicle 1 is turned on, the in-vehicle device 10 starts up and starts the display control processing. In the display control processing, the in-vehicle device 10 controls the display contents of the display device 13 and the display device 20. The display contents of the display device 13 and the display device 20 may be switched based on a user operation, but in this embodiment, the description will be given assuming that the display contents are switched according to the state of the vehicle 1.

[0022] The control unit 11 of the in-vehicle device 10 determines whether an additional display device is present (FIG. 4: step S1). For example, the control unit 11 determines that an additional display device is present when Bluetooth pairing is performed between the in-vehicle device 10 and the display device 20 and they are connected so that they can communicate with each other. Note that the control unit 11 may determine that an additional display device is present when they are connected via other means than Bluetooth, such as an ad hoc network, a video signal cable, or in-vehicle communication.

[0023] If it is determined in step S1 that no additional display device exists (S1: NO), the existing display device displays initial meters (FIG. 4: step S2). For example, in accordance with the initial settings, the control unit 11 causes the display device 13 of the instrument panel to display, for example, a speedometer, a tachometer, a fuel gauge, a water temperature gauge, etc. Furthermore, when adaptive cruise control is operating, the control unit 11 may display the distance to the vehicle ahead, information indicating that other vehicles, etc. have been detected around the vehicle, information indicating whether left and right white lines have been detected, etc. Furthermore, the initial display content may be changed based on settings previously customized by the user.

[0024] On the other hand, if it is determined in step S1 that an additional display device exists (S1: YES), for example, the state of the host vehicle is determined (FIG. 4: step S3), and display is performed on the existing display device and the additional display device according to the state of the host vehicle (FIG. 4: step S4). FIG. 5 is a diagram showing an example of display content settings. The table in FIG. 5 includes attributes of "applicable scene," "existing display device," and "additional display device." The "applicable scene" field registers information representing a scene to which the display setting related to each record is applied. The "existing display device" field registers information representing one or more types of display content to be displayed on the display device 13. In the example of FIG. 5, the attributes of the "existing display device" include attributes of "existing 1" and "existing 2." The "additional display device" field registers information representing one or more types of display content to be displayed on the display device 20. In the example of FIG. 5, the attributes of the "additional display device" include attributes of "additional 1," "additional 2," and "additional 3."

[0025] For example, if the information output by the vehicle speed sensor indicates a speed equal to or greater than a predetermined threshold, the control unit 11 determines that the state of the vehicle is moving. That is, in step S3 of FIG. 4, it is determined that the state corresponds to the record of setting 2 in which the "applicable scene" in FIG. 5 is "driving". Also, in step S4 of FIG. 4, the records of "existing display device" and "additional display device" in FIG. 5 are determined to be "driving". The information registered in the fields is displayed on the display device 13 and the display device 20, respectively. Fig. 6 is a diagram showing an example of the displayed content. In the example of Fig. 6, an image 231 of a left digital side mirror, initial meters 232, and an image 233 of a right digital side mirror are displayed on the display panel 23 of the display device 20. In addition, the display device 13 displays information 131 (e.g., artwork) related to the media being played, and an energy flow 132. The energy flow 132 is information that indicates the control status of the hybrid system provided in the vehicle 1, and indicates whether the engine is being operated using gasoline, the motor is being driven by battery power, the battery is being charged by regenerative braking, etc.

[0026] As shown in FIG. 6, when the display device 20 is not connected (FIG. 4: step S2), the initial meters that are displayed on the display device 13 may be displayed on the display device 20 when the connection of the display device 20 is detected. At this time, the display content of the display device 13 is also changed, and useful information that does not need to be displayed all the time is displayed instead. In this way, by changing the display content of the existing display device 13 when the display device 20 is added, it becomes possible to adjust the display content between the display device that can be added to the vehicle and the existing equipment. In other words, overlapping information can be eliminated, and the display area can be used effectively.

[0027] Furthermore, when the ignition power of the vehicle 1 is turned on, the control unit 11 determines that the state of the host vehicle is about to start. That is, in step S3 of FIG. 4, it is determined that the state corresponds to the record of setting 3 in which the "application scene" in FIG. 5 is "starting." Also, in step S4 of FIG. 4, information registered in the "existing display device" and "additional display device" fields in FIG. 5 is displayed on the display device 13 and the display device 20, respectively. FIG. 7 is a diagram showing an example of the display content. In the example shown in the upper part of FIG. 7, an image 234 of an area of ​​the image captured by the front camera, which is preset by the user, is displayed on the display panel 23 of the display device 20. That is, as shown in the lower part of FIG. 7, the image 234 is, for example, an image 401 captured by a front camera mounted on the front grill and capturing an image ahead of the vehicle 1, cropped from an area 402 whose coordinates are specified by the user. Note that the user may specify not only the coordinates but also the magnification ratio. In the example shown in the upper part of Fig. 7, an image aligned with the scenery visible through the windshield 50 is displayed on the display panel 23, so as to be transmitted through the display device 20, dashboard, hood, etc. In this example, the back of a cat in a blind spot is visible. However, the use is not limited to alignment with the scenery visible through the windshield 50, and for example, a wider area in a blind spot may be displayed on the display device 20. Also, in the example of Fig. 7, initial meters are displayed on the display device 13.

[0028] Furthermore, if the speed of the vehicle 1 decelerates to a predetermined threshold or less, the control unit 11 determines that the state of the host vehicle is about to stop. That is, in step S3 of FIG. 4, it is determined that the state corresponds to the record of setting 4 in which the "application scene" in FIG. 5 is "stopped." Furthermore, in step S4 of FIG. 4, the information registered in the "existing display device" and "additional display device" fields in FIG. 5 is displayed on the display device 13 and the display device 20, respectively. FIG. 8 is a diagram showing an example of the display content of the display panel 23. The display content of the display device 13 is the same as that in FIG. 7. In the example of FIG. 8, a composite image 235 is displayed, which is a composite of images from a camera 40 including multiple cameras. Furthermore, in the example of FIG. 8, the composite image is displayed from a perspective looking down approximately vertically from above.

[0029] 9A and 9B are diagrams for explaining a composite image. As shown in (A) of Fig. 9A, the camera 40 includes a front camera 41 that is provided, for example, on the front grill and captures an image ahead of the vehicle 1, a side camera 42 that is provided, for example, near the side mirror and captures an image on the left side of the vehicle 1, and a The system includes a side camera 43 that is provided near the side mirror and captures the right side of the vehicle 1, and a rear camera 44 that is provided, for example, on the back door and captures the rear of the vehicle 1. Furthermore, camera 41 outputs an image 403 that captures the front of the vehicle 1. Camera 42 outputs an image 404 that captures the left side of the vehicle 1. Camera 43 outputs an image 405 that captures the right side of the vehicle 1. Camera 44 outputs an image 406 that captures the rear of the vehicle 1. Note that the focal lengths of cameras 41-44 are not particularly limited, but the four images 403-406 can capture a continuous 360-degree view around the vehicle 1.

[0030] 9(B), the control unit 11 projects pixels included in the four images 403-406 onto a projection surface 407, which is a curved surface in a virtual three-dimensional space. The projection surface 407 is, for example, approximately hemispherical (bowl-shaped). The center of the projection surface 407 (the bottom of the bowl) corresponds to the position where the vehicle 1 is located. The portions of the projection surface 407 other than the center are associated with any of the images 403-406.

[0031] The control unit 11 projects images 403-406 onto portions of the projection surface 407 other than the center thereof. Specifically, the control unit 11 projects image 403 captured by camera 41 onto an area on the projection surface 407 corresponding to the front of the vehicle 1, projects image 404 captured by camera 42 onto an area corresponding to the left side of the vehicle 1, projects image 405 captured by camera 43 onto an area corresponding to the right side of the vehicle 1, and projects image 406 captured by camera 44 onto an area corresponding to the rear of the vehicle 1. Note that pixel information may be blended as appropriate to smooth the boundaries where the images overlap, or pixel information may be supplemented as appropriate for positions on the composite image where no pixels corresponding to images 403-406 exist. In this way, a composite image showing the entire surroundings of the vehicle 1 can be created.

[0032] At least a portion of the composite image can be displayed from any viewpoint. For example, as indicated by arrow 408 in FIG. 9, a portion of the composite image can be displayed from a viewpoint looking directly down on vehicle 1 from vertically above vehicle 1. Furthermore, by appropriately correcting distortion of projection surface 407, composite image 235 shown in FIG. 8 is created. By displaying an image looking down from a virtual viewpoint directly above vehicle 1 as shown in FIG. 8 when vehicle 1 is stopped, the user can check the surroundings of vehicle 1. Note that the center of projection surface 407 (the bottom of the bowl) cannot be captured by camera 41-44. Therefore, the host vehicle (i.e., vehicle 1 in FIG. 9) displayed in the composite image is not a vehicle captured by camera 41-44, but a CG vehicle. Furthermore, the viewpoint when displaying the composite image is not limited to a viewpoint looking down on the host vehicle. For example, as indicated by arrows 409 and 410 in Fig. 9, by displaying a composite image from a viewpoint looking rearward on the left and right from the position of the side mirror, it is possible to create the digital side mirror image 231 and the right digital side mirror image 233 shown in Fig. 6. In other words, various images of the surroundings of the vehicle 1 can be created using the four cameras 41-44.

[0033] Furthermore, if the sensor 30 includes a positioning sensor and map information is stored in the storage device 12, and the position information output by the positioning sensor indicates that the vehicle is approaching an intersection, the control unit 11 determines that the vehicle is about to enter the intersection. The positioning sensor is, for example, a receiver that receives signals from a satellite in a global navigation satellite system (GNSS), calculates coordinates indicating the device's position, and outputs the coordinates as position information. In this case, in step S3 of FIG. 4, it is determined that the record corresponds to setting 5 in which the "application scene" in FIG. 5 is "entering an intersection." In addition, in step S4 of FIG. 4, the information registered in the "existing display device" and "additional display device" fields in FIG. 5 is displayed on the display device 13 and the display device 20, respectively. FIG. 10 is a diagram showing an example of the display content of the display panel 23. The display content of the display device 13 is the same as that in FIG. 7, and is therefore not shown. In the example of FIG. 10, an image 236 of a front camera capturing an image in front of the vehicle 1 and a composite image of a bird's-eye view from diagonally above the rear of the vehicle are shown. In addition, it is also possible to display either image 236 from a front camera capturing an image ahead of vehicle 1 or image 237, which is a composite image looking down from diagonally above the rear of the vehicle. Also, instead of the image from the front camera, it is also possible to display a composite image of images from the front camera and side cameras capturing images on the left and right of vehicle 1. In this way, the user can easily check the conditions of intersecting roads.

[0034] Furthermore, when information indicating that the turn signal has been operated is acquired from the ECU that controls the lighting devices of the vehicle 1, the control unit 11 determines that the turn signal is in an operated state. That is, in step S3 of FIG. 4, it is determined that the record corresponds to the record of setting 6 in which the "application scene" in FIG. 5 is "turn signal operation." Furthermore, in step S4 of FIG. 4, the information registered in the "existing display device" and "additional display device" fields in FIG. 5 is displayed on the display device 13 and the display device 20, respectively. That is, depending on the direction indicated by the operated turn signal, a portion of the composite image corresponding to the left front of the vehicle 1 as indicated by arrow 411 in FIG. 9 or the right front of the vehicle 1 as indicated by arrow 412 in FIG. 9 is displayed on the display panel 23. Note that the display content of the display device 13 is the same as that in FIG. 7 and is therefore not shown. This allows the user to easily check the situation in the traveling direction.

[0035] Furthermore, if the control unit 11 determines that the vehicle 1 is approaching an object on the road based on information output by the distance measurement sensor of the vehicle 1, the control unit 11 determines that an obstacle has been detected. That is, in step S3 of FIG. 4, it is determined that the record corresponds to the record of setting 7 in which the "application scene" in FIG. 5 is "obstacle detection." Furthermore, in step S4 of FIG. 4, the information registered in the "existing display device" and "additional display device" fields in FIG. 5 is displayed on the display device 13 and the display device 20, respectively. FIG. 11 is a diagram showing an example of the display content of the display panel 23. The display content of the display device 13 is the same as that of FIG. 7. In the example of FIG. 11, information 238 representing a predicted path based on the steering angle and an image 239 of an obstacle captured by the front camera are displayed on the display panel 23. The information 238 representing the predicted path is created based on information acquired from the steering angle sensor. Furthermore, in the example of FIG. 11, the position of the obstacle is indicated by a circle within the information 238 representing the predicted path based on the direction and distance of the obstacle detected using the distance measurement sensor. The obstacle image 239 is created by trimming a portion of the image captured by the front camera in accordance with the direction and distance of the obstacle detected using the distance sensor. The imaging range of the obstacle may also be determined using an existing object detection method. The display content of the display device 13 is the same as that shown in FIG. 7 and is therefore not shown. This allows the user to easily check the road surface conditions.

[0036] After step S2 or step S4 in FIG. 4, the control unit 11 determines whether to end the display control process (FIG. 4: step S5). In this step, the control unit 11 determines to end the process when, for example, a user operation instructs the control unit 11 to end the process. The control unit 11 also ends the display control process when, for example, the accessory power supply of the vehicle 1 is turned off. If the control unit 11 determines not to end the process (S5: NO), the control unit 11 returns to step S1 and repeats the process.

[0037] <Effects> According to the above-described in-vehicle device 10 and display control process, it is possible to adjust the display contents between the display device (display device 20) that can be added to the vehicle and the existing device (display device 13 of the in-vehicle device 10). In other words, it is possible to eliminate overlapping information and effectively utilize the display area.

[0038] <Modification> The settings as shown in Fig. 5 may be customized and registered in advance for each user. Also, as shown in Fig. 2, if the display device 20 is equipped with a camera 25 (in-camera), for example, the control unit 11 of the in-vehicle device 10 may identify the user by image recognition based on an image of the driver captured by the camera 25, and read out the settings of the user. The settings for each user may be stored in the storage device 12 of the in-vehicle device 10, or may be stored in the storage device 22 of the display device 20. When the settings for each user are stored in the storage device 22 of the display device 20, even when the display device 20 is brought into a vehicle that is temporarily used, such as a rental car or a shared car, the settings for each user can be read out in cooperation with the in-vehicle device provided in the vehicle.

[0039] <Other> The illustrated system and device configurations are merely examples and are not limited to the above examples. For example, at least a portion of the processing performed by the on-board device 10 of the vehicle 1 may be shared and executed by multiple devices, or may be executed in parallel by multiple devices. Similarly, the processing shown in the processing flow may be executed in a different order or in parallel, as long as the results are the same.

[0040] The display device 20 may be a HUD (Head-Up Display) that projects an image onto a predetermined panel provided on the windshield or dashboard. The display of other existing in-vehicle devices, such as a display device provided in a car navigation system, may also be controlled, in addition to the meter panel. The displays shown in FIGS. 5 to 11 are merely examples, and the combination of application scenes and display content may be changed, or the display content may be swapped between the existing display device and the additional display device. Other application scenes or display content not shown may also be combined. The settings shown in FIG. 5 may be easily switched based on, for example, a user's button operation. In the case of a roll-type flexible display that can be pulled out and wound up, such as the display device 20A shown in FIG. 1, the size of the display in the pull-out direction may be changed depending on the application scene or display content. For example, only meters may be displayed normally, and when turning right or left, the display may be extended in the direction of the turn to display an image in that direction.

[0041] The present invention also includes a computer program for executing the above-described processing method, and a computer-readable recording medium on which the program is recorded. The above-described processing is possible by loading the recording medium into a computer and executing the recorded program. A computer-readable recording medium is a recording medium that stores information such as data and programs through electrical, magnetic, optical, mechanical, or chemical action and can be read by a computer. Among such recording media, those that are removable from a computer include flexible disks, magneto-optical disks, optical disks, magnetic tape, memory cards, etc. Furthermore, recording media that are fixed to a computer include hard disk drives and ROMs, etc. [Explanation of symbols]

[0042] 1: Vehicle 10: In-vehicle device, 11: Processor, 12: Storage device, 13: Display device, 14: User interface (UI), 15: Communication interface (IF) 20: Display device, 21: Control unit, 22: Storage device, 23: Display panel, 24: Communication interface (IF), 25: Camera 30: Sensor 40: Camera

Claims

1. An in-vehicle device that can be retrofitted to a vehicle and can cooperate with a first display device, and a control unit that, when it is detected that the first display device is mounted on a vehicle, displays on the first display device at least a part of the content that was displayed on the second display device already installed in the vehicle, and changes the display content of the second display device. In-vehicle equipment.

2. the first display device is a mobile display; The control unit transmits the display content to the first display device via wireless communication. The in-vehicle device according to claim 1 .

3. The control unit performs an alternative display on the second display device. The in-vehicle device according to claim 1 .

4. The control unit displays an image captured by a camera mounted on the vehicle on the first display device. The in-vehicle device according to claim 1 .

5. The control unit synthesizes images captured by a plurality of cameras mounted on the vehicle and displays the synthesized image on the first display device. The in-vehicle device according to claim 4.

6. The control unit synthesizes two or more digital side mirror images by synthesizing images captured by a plurality of cameras mounted on the vehicle, and displays the two or more synthesized digital side mirror images by dividing a display area of ​​the first display device. The in-vehicle device according to claim 5 .

7. A control method executed by an in-vehicle device capable of cooperating with a first display device that can be retrofitted to a vehicle, comprising: When it is detected that the first display device has been installed in a vehicle, at least a part of the content that has been displayed on an existing second display device provided in the vehicle is displayed on the first display device, and the display content of the second display device is changed. Display control method.

8. a first display device that can be retrofitted to a vehicle; an in-vehicle device capable of cooperating with the first display device, the in-vehicle device including a control unit that, when detecting that the first display device has been installed in a vehicle, displays on the first display device at least a part of the content that has been displayed on an existing second display device provided in the vehicle, and changes the display content of the second display device; An in-vehicle system comprising:

9. A control program executed by an in-vehicle device that can cooperate with a first display device that can be retrofitted to a vehicle, When it is detected that the first display device has been installed in a vehicle, at least a part of the content that has been displayed on an existing second display device provided in the vehicle is displayed on the first display device, and the display content of the second display device is changed. Display control program.

Images