JP2006030615A - Onboard monitor display apparatus, onboard character information providing apparatus and onboard character information display system consisting of these apparatuses - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide character information of display size having suitable visibility independently of the size and resolution of a monitor and the sitting position of an occupant regarding an onboard monitor display apparatus, an onboard character information providing apparatus for providing character information and an onboard character information display system consisting of these apparatuses. <P>SOLUTION: The onboard monitor display apparatus 1 installed in a vehicle and capable of displaying character information to a monitor 4 is provided with a visual angle size information detection means 7 for detecting the information of visual angle size θ of the character information which is added to the character information and a display size setting means 8 for setting display size (a) of the character information displayed on the monitor 4 so that the display size (a) is equal to the visual angle size θ detected by the visual angle size information detection means 7 correspondingly to the vehicle occupant. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an in-vehicle monitor display device provided on a vehicle for monitoring and displaying character information to a driver and an occupant, a vehicle character information providing device for providing the character information, and a vehicle character information display system including the same. .

  2. Description of the Related Art Conventionally, a navigation device has been developed that uses a GPS or the like to grasp a traveling position of a vehicle, displays a map around the vehicle and traffic information on a monitor, and guides the traveling of the vehicle. This navigation device displays a map around the vehicle as an image on the monitor and superimposes traffic information such as the route to the destination set in advance, the name of the place on the map, and the name of the main intersection on the map image. The map information and the traffic information recorded on the HDD built in the navigation device or the DVD-ROM attached to the device can be displayed on the monitor as appropriate. .

  In such a navigation device, the size of the character data is optimized with respect to the corresponding monitor so that the character data as traffic information is displayed in an easy-to-view manner for the driver and passengers. That is, a general monitor device is provided with a dedicated monitor device, or a monitor model that can be handled is determined in advance, and the size and resolution of a monitor that provides character data are assumed in advance. Therefore, in the assumed monitor environment, the character data is created so that the character data is displayed in a size with good visibility, and the display size is set. For example, navigation with a small monitor screen size In the device, the size of the character data to be displayed is created and set relatively large with respect to the screen size. In a navigation device equipped with a large screen monitor, the size of the character data to be displayed is relatively large with respect to the screen size. It is created and set small so that appropriate visibility can be obtained.

  Also, in such a navigation device, a technology has been developed that allows a preset character data size to be arbitrarily changed. For example, in the technique described in Patent Document 1, if the size of character data displayed on the monitor is fixed in advance to a predetermined size, it may not be appropriate depending on the age and visual acuity of the user. The displayed character size can be selected by the user so that the visibility can be improved.

By the way, in recent years, an existing navigation apparatus as described above is equipped with an Internet connection function. For example, with existing navigation devices, in order to provide map information corresponding to new and abolished roads and facilities, the built-in HDD and DVD-ROM attached to the device are replaced, and the recorded map information is updated. However, in the car navigation system using the Internet, it can be configured to download and update the latest road map information at any time, and always carry out accurate driving guidance with the latest map image. Can do. In addition, it is possible to improve the convenience and entertainment by configuring the monitor so that Internet web contents can be browsed.
JP-A-10-319940

  By the way, if the configuration is such that the necessary information is taken in from the outside of the navigation device and displayed on the monitor as in the car navigation system using the Internet, the map information and traffic information such as the built-in HDD and DVD-ROM are recorded. The recording medium can be separated from the navigation device. In other words, for example, by providing a server that provides map information and traffic information on the Internet, and by configuring the navigation device so that the necessary information is taken in from this server as needed, the configuration of the navigation device installed in the vehicle is simplified. Therefore, accurate driving guidance is always possible with the latest information.

  However, in the conventional navigation apparatus, since the monitor environment in which traffic information is displayed is assumed in advance, character data having a size optimized for the corresponding monitor can be displayed. When capturing information from outside the device and displaying it on the monitor, the server side that provides the information cannot assume the monitor environment of the navigation device in advance, so that character data of the optimum size can always be displayed. Not exclusively.

  In other words, because the monitor mounted on the vehicle has various screen sizes and resolutions depending on the model, the server cannot provide information corresponding to all of the various monitor environments. Of these, information must be provided assuming an average monitoring environment. Therefore, the display size (actual size) of information provided from the server varies depending on the model of the in-vehicle monitor, and there is a problem that appropriate visibility may not be obtained.

  Such changes in the display size of information due to differences in the monitor environment are also seen when browsing web content on a general personal computer. Compared to (for example, 17, 19, 21 inches, etc.), the size (for example, 6.5, 7, 8 inches, etc.) is designed to be small, so the information display size is reduced, characters, etc. Difficulty in determining

  In the case of a general personal computer monitor, even if the display size of the information is small, the user can approach the personal computer monitor and reduce the distance between the personal computer monitor and the viewpoint so that characters can be identified. However, in the case of an in-vehicle monitor, if the driver or occupant is seated with the seat belt fastened, the distance between the monitor and the viewpoint cannot be adjusted by itself, and it is difficult to distinguish characters, etc. Become.

  The present invention has been devised in view of such problems, and an in-vehicle monitor display device capable of providing character information of a display size with appropriate visibility regardless of the size and resolution of the monitor and the seating position of the occupant, It is an object of the present invention to provide a vehicle character information providing device and a vehicle character information display system including them.

  In order to achieve the above object, an in-vehicle monitor display device according to the present invention (Claim 1) is provided in a vehicle and displays character information on a monitor. In the in-vehicle monitor display device, the character information added to the character information is displayed. The visual angle dimension information detecting means for detecting information on the visual angle dimension, and the display dimension of the character information displayed on the monitor is the visual angle dimension detected by the visual angle dimension information detecting means for the vehicle occupant. A display dimension setting means for setting the display dimension so as to be equal to each other is provided.

  The visual angle dimension information detecting means detects actual dimension information on the monitor of the character information added to the character information, and the display dimension setting means is the character information displayed on the monitor. Preferably, the display dimension is set so that the display dimension becomes equal to the actual dimension detected by the visual angle dimension information detecting means. That is, the actual dimension is used as an approximation to the viewing angle dimension.

The display size setting means preferably sets the display size based on the monitor size and resolution and the seating position of the occupant.
In addition, the vehicle character information providing apparatus according to the present invention (Claim 4) provides character information to be displayed on an arbitrary in-vehicle monitor, and displays information on the viewing angle of the character information for a viewer of the in-vehicle monitor. It is characterized by being provided in addition to information.

  In addition, the vehicle character information display system of the present invention (Claim 5) provides character information to be displayed on an arbitrary in-vehicle monitor, and also displays information on the viewing angle of the character information for a viewer of the in-vehicle monitor. Information providing means provided in addition to character information, visual angle dimension information detecting means for detecting information on the visual angle dimension of the character information added to the character information, and display of the character information displayed on the in-vehicle monitor Display dimension setting means for setting the size of the display dimension such that the dimension is equal to the viewing angle dimension detected by the viewing angle dimension information detection means for the viewer; Yes.

According to the in-vehicle monitor display device of the present invention (Claim 1), the display size of the character information displayed on the monitor is always equal to the viewing angle size regardless of the screen size and resolution of the monitor mounted on the vehicle. Thus, the character information can be displayed, the character of the vehicle can be easily determined, and the visibility of the character information displayed on the monitor can be improved.
In addition, according to the in-vehicle monitor display device of the present invention (Claim 2), the character information can be displayed so that the display size of the character information is always equal to the actual size. Display that approximates the size can be performed, and character information of a display size with appropriate visibility can be provided.

Further, according to the in-vehicle monitor display device of the present invention (Claim 3), the visual angle dimension for the vehicle occupant can be accurately grasped with a simple configuration, and the display size of the character information displayed on the monitor is large. Can be set accurately.
Further, according to the vehicle character information providing apparatus of the present invention (Claim 4), by adding the viewing angle information to the character information provided by the information providing means, it is possible to accurately obtain the size intended by the information provider. Character information can be provided. In addition, the information provider can provide the same character information to any on-vehicle monitor, and management of the provided information becomes extremely easy.

  According to the vehicle character information display system of the present invention (Claim 5), the information is displayed on the monitor in a size intended by the information provider regardless of the screen size and resolution of the monitor mounted on the vehicle. Character information can be displayed so that the display size of the character information is always equal to the visual angle dimension, and accurate and highly visible character information can be provided to the vehicle occupant.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 5 show an in-vehicle monitor display device as an embodiment of the present invention, FIG. 1 is a functional block diagram showing the configuration of the device, and FIG. 2 is a diagram for calculating the viewpoint position of an occupant in the device. FIG. 3 is a schematic diagram for explaining viewing angle dimensions in this apparatus, FIG. 4 is a flow chart for controlling display of character information in this apparatus, and FIG. 5 is a schematic diagram showing a monitor display example by this apparatus. FIG.

[Constitution]
The in-vehicle monitor display device 1 of the present embodiment is configured as a part of a car navigation system for a vehicle, and is provided on the vehicle as a display means for displaying map information and character information, and is displayed on the monitor 4. ECU (Electronic Control Unit) 2 for processing information to be transmitted, and a communication device 11 for performing data communication with an external information source.

FIG. 1 shows only the function unit of the character display system that displays characters of the car navigation system among the control function units inside the ECU 2, for example, a map information system that displays map information around the vehicle, The function part of the traveling locus system that calculates and displays the traveling locus of the vehicle is omitted here.
In order to collect map information and character information to be displayed on the monitor 4, the communication device 11 performs data communication with a display content providing server (vehicle character information providing device) 10 that is an external information source via a wireless telephone line. I do. The communication device 11 is connected to the display content providing server 10 according to a preset procedure when the device is in operation, and can capture map information and character information around the vehicle as needed. It has become. When the vehicle travels, map information around the vehicle according to the vehicle position is captured, and character information such as a place name on the map and traffic jam information near the vehicle position is captured. As a result, accurate driving guidance can always be performed with the latest information.

  The display content providing server 10 is a server that is provided on the Internet and provides map information and character information to a car navigation system of an arbitrary vehicle. The character information provided by the display content providing server 10 is added with the information of the viewing angle dimension θ by the character information provider. When the character information is displayed on an arbitrary monitor, the character information provider displays the character information. The viewing angle dimension θ can be specified.

  In other words, the character information provided from the display content providing server 10 is added with the viewing angle dimension θ intended by the character information provider, as well as the character content desired to be transmitted by characters. The viewing angle dimension θ indicates the size of the viewing angle of the character information with respect to the occupant when the character information is displayed on the monitor 4. For example, when the character information provider wants to strongly convey or emphasize the character content to the occupant who browses the character information, a large visual angle dimension θ is added to the character information and the character information is to be emphasized too much. If not, a small viewing angle dimension θ is added to the character information.

In the present embodiment, the display content providing server 10 also has a function as a server for providing general web content. Thereby, the communication apparatus 11 can take in not only the map information and character information of a car navigation system but also image information and character information from general web contents and display them on the monitor 4.
Thus, in this embodiment, the character information display system for vehicles is comprised including the display content provision server 10 as a character information provision device for vehicles, and the vehicle-mounted monitor display apparatus 1 mounted in the vehicle.

  The ECU 2 includes a viewing angle dimension extraction unit (viewing angle dimension information detecting means) 7 that extracts information on the viewing angle dimension of the character information added to the character information collected by the communication device 11, and the size and resolution of the monitor 4 mounted on the vehicle. A data storage unit 6 for storing information, a data input unit 3 for receiving and storing information on the viewpoint distance between the occupant and the monitor 4, and browsing the monitor 4 based on information on the viewpoint distance stored in the data input unit 3 A viewpoint position calculation unit 5 that calculates the distance between the viewpoint of the occupant and the monitor 4, a character control unit (display size setting means) 8 that sets the display size of the character information displayed on the monitor 4, and the character control unit 8. And a display image drawing calculation unit 9 for drawing character information on the monitor 4 with the set display dimensions.

  The data input unit 3 is configured to receive and store the occupant's horizontal viewing height, equipment installation height, and seat position as information relating to the distance between the occupant and the monitor 4 by operation of the occupant. Here, as shown in FIG. 2, the height h ′ of the viewpoint of the occupant in the sitting posture is input as the horizontal viewing height, and the height h at which the monitor 4 is installed is input as the device installation height, with the vehicle floor as a reference. The adjustment position in the front-rear direction of the entire seat (and the inclination of the seat back) is input as the seat position. The horizontal viewpoint distance d between the occupant and the monitor 4 is calculated based on the input adjustment position in the front-rear direction of the entire seat (and the inclination of the seat back). Each data stored here is output to a viewpoint position calculation unit 5 described later.

  The viewing angle dimension extraction unit 7 first extracts only the character information from the map information and the character information captured by the communication device 11, and extracts the information of the viewing angle dimension θ added to the character information, and controls them. The data is output to the unit 8. The character information extracted here includes not only character information such as place names and intersection names displayed on the map information around the vehicle, but also character information in the web content provided from the display content providing server 10. It is. Information other than character information including map information is output to the display image drawing calculation unit 9 via a map information system function unit in the ECU 2 (not shown).

  The data storage unit 6 stores the size and resolution of the monitor 4 mounted on the vehicle. Here, the size (monitor size) b and resolution c of the monitor 4 for displaying information controlled by the ECU 2 are set in advance and input to the data storage unit 6. For example, the size b of the monitor 4 is stored as an actual size such as 6.5 inches or 7 inches, and the resolution c is the number of pixels constituting one screen such as 320 × 240 (in one screen). Pixel count). The size b and resolution c of these monitors 4 are output to the character control unit 8 described later.

The viewpoint position calculation unit 5 calculates a distance d _a between the viewpoint of the passenger viewing the monitor 4 and the monitor 4 based on each data input from the data input device 3. In the present embodiment, the distance d _a is calculated according to the following formula 1.
d _a = {d ² + (h−h ′) ² } ^1/2 (Formula 1)
In addition, the distance d _a calculated here is output to the character control unit 8 described later.

In the character control unit 8, the size of the character data to be displayed on the monitor 4 (on-screen character size e) based on the information input from the viewpoint position calculation unit 5, the data storage unit 6, and the viewing angle size extraction unit 7. Is set.
First, the character control unit 8 includes an actual size calculation unit that calculates an actual size when the character information is displayed on the monitor 4. In the actual size calculation unit 12, the actual size size a on the screen on which the character information is to be displayed is calculated from the distance d _a calculated by the viewpoint position calculation unit 5 and the viewing angle dimension θ extracted by the viewing angle dimension extraction unit 7. Is calculated. For example, as shown in FIG. 3, in order to display characters having a visual angle dimension θ to the occupant at a position separated from the position of the occupant's viewpoint by a distance d _a , the actual size of a ₁ Although it is necessary to size, if the occupant and the distance between the monitor 4 is assumed to be larger d _a 'than d _a, the same viewing angle dimension θ size actual size of the characters necessary to display the The size a ₁ ′ is larger than a ₁ . Thus, the actual size size a ₁ calculated here is set as a function of the distance d _a and the viewing angle size θ. In the present embodiment, the actual size a is calculated according to the following equation 2.
a = 2d _a · tan (θ / 2) (Formula 2)

In the present embodiment, the character information actual size a when displayed onto the monitor 4, and is set as a function of the distance d _a and the viewing angle dimension θ is as follows There is a reason. That is, for example, in the case of a general television monitor or a personal computer monitor, it is difficult to specify how far the monitor viewer is viewing the screen from the monitor, and the viewing angle dimension for the monitor viewer is difficult. The size of cannot be specified. However, in the case of an in-vehicle monitor, if the viewer of the monitor is seated while wearing a seat belt, the viewer will always view the monitor from a predetermined point of view. If it is possible, it is possible to specify how far the monitor viewer is viewing the screen from the monitor. In the present embodiment, the actual size a is set as a function of the distance d _a and the viewing angle dimension θ by utilizing the browsing environment characteristics of the in-vehicle monitor.

When the actual size size calculation unit 12 calculates the actual size size a of the character information to be displayed, the character control unit 8 then determines the actual size size a, the size b of the monitor 4 stored in the data storage unit 6, and the resolution. From c, the on-screen character size e (pixel size, pixel size) actually displayed on the monitor 4 is set. The character size e on the screen is given by Equation 3 below.
e = (a · c) / b (Formula 3)
That is, the data storage unit 6 stores the size b of the monitor 4 as an actual size, and stores the resolution c as the number of pixels in one screen. The number of pixels that can be displayed is given by the ratio of resolution c to monitor size b (ie, c / b). Therefore, by multiplying the ratio (c / b) of the resolution c to the monitor size b by the actual size size a of the character information desired to be displayed, a character having a visual angle size θ is obtained for the passenger viewing the monitor 4. The number of display pixels is determined. As a result, regardless of the size b and the resolution c of the monitor 4, it is possible to display characters having a viewing angle dimension θ for the occupant to browse.

In this manner, the character control unit 8 monitors the character information displayed on the monitor 4 so that the display size e of the character information is equal to the visual angle dimension θ detected by the visual angle dimension extraction unit 7 for the vehicle occupant. The size of the display dimension e is set based on the dimension b and the resolution c and the seating position of the occupant.
The display image drawing calculation unit 9 draws a character having a size set by the character control unit 8 on the monitor 4. That is, the character information extracted by the visual angle dimension extraction unit 7 is drawn with a pixel size of the character size e on the screen.

[Control flow]
Next, using the control flow chart shown in FIG. 4, specific control at the time of displaying character information in the in-vehicle monitor display device will be described.
During the operation of this apparatus, the communication apparatus 11 is connected to the display content providing server 10 which is an external information source in accordance with a preset procedure. When the vehicle travels, map information and character information around the vehicle corresponding to the vehicle position are captured.

First, in step A10, the visual angle dimension extraction unit 7 determines whether there is character information in the information captured by the communication device 11. If it is determined that there is character information, the process proceeds to step A20. If there is no character information, this flow ends.
In step A20, the information on the visual angle dimension θ added to the character information is extracted in the visual angle dimension extraction unit 7, and in the subsequent step A30, the data input unit 3 is input and stored in advance in the viewpoint position calculation unit 5. Based on the information on the viewpoint distance, a distance d _a between the monitor 4 and the occupant's viewpoint is calculated.

Subsequently, in step A40, the actual size size calculation unit 12 determines the actual size size a on the monitor 4 from the distance d _a calculated by the viewpoint position calculation unit 5 and the viewing angle dimension θ extracted by the viewing angle dimension extraction unit 7. The calculation proceeds to step A50, where the character control unit 8 calculates the on-screen character size e from the actual size a, the monitor size b, and the resolution c.
In step A60, the display image drawing calculation unit 9 draws on the monitor 4 with the size of the character size e on the screen calculated by the character control unit 8, and this flow ends.

  As described above, according to the in-vehicle monitor display device of the present embodiment, the visual angle dimension extraction unit 7 extracts the visual angle dimension θ added to the character information, and the actual size calculation unit 12 determines the character based on the visual angle dimension θ. After calculating the actual size a on the screen on which information is to be displayed, the character control unit 8 sets the size of the character information according to the size b and the resolution c of the monitor 4. Regardless of the screen size and resolution, the display size of the character information displayed on the monitor can always be made equal to the viewing angle dimension θ for any monitor and regardless of the distance between the monitor and the passenger. It is possible for a vehicle occupant to more easily distinguish characters, etc., and the character information displayed together with the map information around the vehicle displayed on the monitor and the general information provided from the display content providing server 10 It is possible to improve the visibility of the character information included in the E blanking content.

For example, in the in-vehicle monitor display device according to the present embodiment, the display size when the same character information is displayed on monitors having different sizes and resolutions is the same as the high resolution / large screen monitor shown in FIG. , comparing the display size of the character information of the monitor of high resolution and small screen shown in FIG. 5 (b), when the distance d _a from the occupant of each monitor is the same, the same value of actual size a Therefore, the pixel size f of the displayed character information is also the same. Accordingly, the apparent size seen from the occupant, that is, the viewing angle dimension for the occupant is also the same.

Even if the distances d _a from the occupants of the respective monitors are different, the actual size a for displaying the character of the viewing angle size added to the character information is calculated and displayed. Although the pixel size of the character information is different, the apparent size from the occupant, that is, the visual angle dimension for the occupant is the same.
The same applies to the case where the display size of the character information is compared with the low-resolution / small-screen monitor shown in FIG. Become. In the case of a low-resolution monitor, the outline of the character information displayed according to the resolution becomes rough, but it is needless to say that good visibility can be secured because the viewing angle dimension is secured.

  In addition, the character control unit 8 sets the size of the display dimension e based on the monitor dimensions b and resolution c and the seating position of the occupant. Can be accurately grasped, and the display size of the character information displayed on the monitor can be accurately set.

Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and various modifications can be made without departing from the spirit of the present invention.
For example, in the above-described embodiment, the information on the viewing angle dimension θ by the character information provider is added to the character information provided by the display content providing server 10 to the car navigation system of the vehicle. Instead, for example, information on actual dimensions of character information may be added. In this case, the visual angle dimension extraction unit 7 is configured to extract the actual dimension information added to the character information, so that the display size of the character information is always equal to the actual dimension. It can be displayed.

  In this case, the actual size of the display size can be unified regardless of the screen size and resolution, while the visual angle size for the occupant changes depending on the installation position of the monitor and the seating position of the occupant. However, when the change in the apparent size of the text information displayed on the monitor is very small depending on the installation position of the monitor and the seating position of the occupant (that is, the distance between the monitor installation position and the occupant is a substantially constant predetermined distance). For example, if the difference in the separation distance is considered to be small even if the monitor installation position differs depending on the vehicle type, or the monitor viewing point differs depending on the seating position) Even if character information is displayed with dimensions, good visibility can be obtained and the same effect as in this embodiment can be obtained, and it is not necessary to calculate the distance between the monitor and the occupant's viewpoint. can do.

The actual size size a is output from the visual angle size extraction unit 7 to the character control unit 8 without the actual size size calculation unit 12 calculating the actual size size a.
In the above-described embodiment, the display content providing server 10 is provided as a server provided on the Internet, and is configured to communicate with the communication device 11 via a wireless telephone line. However, an FM broadcast signal is used. Of course, a form using a communication network such as the VICS service is also conceivable.

  In the above-described embodiment, the horizontal visual height h ′, the device installation height h, and the seat position d are input and stored in the data input unit 3 by the occupant's operation. When the position is fixed, the device installation height h may be set and stored as a fixed value in advance, or a sensor for detecting the seat position of the occupant and the inclination of the backrest is provided, and the data input unit 3 Based on the sensor information, the sheet position d and the horizontal viewing height h ′ may be automatically calculated and stored.

In the above-described embodiment, when calculating the distance d _a between the occupant and the monitor 4, as shown in FIG. 2, calculations are performed based on the occupant's horizontal visual height, equipment installation height, and seat position. In addition, the distance d _a between the occupant and the monitor 4 may be calculated in consideration of the positional relationship between the monitor 4 in the vehicle width direction (left and right direction as viewed from the occupant) and the viewpoint of the occupant. In this case, it is possible to calculate the distance d _a more accurately.

  In the above-described embodiment, the data storage unit 6 stores in advance the size b and resolution c of the monitor 4 mounted on the vehicle. For example, the data storage unit 6 outputs an output signal from the monitor 4. Based on this, the size and resolution of the monitor 4 may be detected and stored. In this case, the monitor as the display means for the ECU 2 to display the character information can use not only the monitor 4 having a preset size and resolution but also a monitor having an arbitrary size and resolution. The monitor 4 can be easily replaced.

It is a block diagram which shows the structure of the vehicle-mounted monitor display apparatus as one Embodiment of this invention. It is a schematic diagram which shows the input information for calculating a passenger | crew's viewpoint position in the vehicle-mounted monitor display apparatus as one Embodiment of this invention. It is a schematic diagram for demonstrating the viewing angle dimension in the vehicle-mounted monitor display apparatus as one Embodiment of this invention. It is a display control flowchart of the character information in the vehicle-mounted monitor display apparatus as one Embodiment of this invention. It is a schematic diagram which shows the example of a monitor display by the vehicle-mounted monitor display apparatus as one Embodiment of this invention.

Explanation of symbols

1 On-vehicle monitor display device 2 ECU (electronic control unit)
3 Data Input Unit 4 Monitor 5 Viewpoint Position Calculation Unit 6 Data Storage Unit 7 Visual Angle Dimension Extraction Unit (Visual Angle Dimension Information Detection Means)
8 Character control part (display dimension setting means)
9 Display Image Drawing Operation Unit 10 Display Content Providing Server (Vehicle Character Information Providing Device)
11 Communication device 12 Actual size calculator

Claims (5)

In an in-vehicle monitor display device that is provided in a vehicle and displays character information on a monitor,
Viewing angle dimension information detecting means for detecting information of a viewing angle dimension of the character information added to the character information;
The display size is set so that the display size of the character information displayed on the monitor is equal to the visual angle size detected by the visual angle size information detection means for the vehicle occupant. An in-vehicle monitor display device comprising a display dimension setting means. The visual angle dimension information detecting means detects actual dimension information on the monitor of the character information added to the character information,
The display dimension setting means sets the display dimension so that the display dimension of the character information displayed on the monitor is equal to the actual dimension detected by the visual angle dimension information detection means. The in-vehicle monitor display device according to claim 1, wherein: The in-vehicle monitor display device according to claim 1, wherein the display size setting means sets the display size based on the size and resolution of the monitor and the seating position of the occupant. Character information for a vehicle is provided that provides character information to be displayed on an arbitrary in-vehicle monitor, and provides information about a viewing angle of the character information to a viewer of the in-vehicle monitor in addition to the character information. Providing device. Information providing means for providing character information to be displayed on any vehicle-mounted monitor, and providing information about the viewing angle dimension of the character information for a viewer of the vehicle-mounted monitor in addition to the character information;
Viewing angle dimension information detecting means for detecting information of a viewing angle dimension of the character information added to the character information;
The display size is set so that the display size of the character information displayed on the in-vehicle monitor is equal to the viewing angle size detected by the viewing angle size information detection means for the viewer. A vehicle character information display system comprising a display dimension setting means.

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