JP2005306337A - Information display device for mobile body - Google Patents

Information display device for mobile body Download PDF

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Publication number
JP2005306337A
JP2005306337A JP2004130065A JP2004130065A JP2005306337A JP 2005306337 A JP2005306337 A JP 2005306337A JP 2004130065 A JP2004130065 A JP 2004130065A JP 2004130065 A JP2004130065 A JP 2004130065A JP 2005306337 A JP2005306337 A JP 2005306337A
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Prior art keywords
image
information display
moving body
projection
information
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JP2004130065A
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Japanese (ja)
Inventor
Takao Naito
隆夫 内藤
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Denso Corp
株式会社デンソー
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Priority to JP2004130065A priority Critical patent/JP2005306337A/en
Publication of JP2005306337A publication Critical patent/JP2005306337A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an information display device for a mobile body capable of reducing visual point movement of a driver during driving, while having constitution wherein the driver sets a visual point directly to display contents. <P>SOLUTION: The information display device for the mobile body projects an image to guide a passing direction of an intersection on a road surface of a traveling direction side of a motorcycle 1 based on guide data provided by a portable navigation device. Thus, information to make the driver visually recognize can be displayed in a distant position from the driver by the information display device for the mobile body. As a result, the visual point movement of the driver during the driving can be reduced even in the constitution wherein the driver sets the visual point directly to the display contents. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a technique for displaying information for allowing a driver of a moving body to visually recognize the information.

  2. Description of the Related Art Conventionally, as a moving body information display device that is mounted on a moving body such as a vehicle and displays information to be visually recognized by a driver, for example, a display for displaying instrument information in a vehicle, map information of a navigation device, and the like Are known.

  In such a moving body information display device, it is preferable to display information at a position where the driver's line-of-sight movement becomes as small as possible so that the displayed information can be viewed safely even during driving.

Thus, for example, there is a motorcycle provided with a head-up display (see Patent Document 1). That is, a transparent windshield that also serves as a video screen is provided on the steering handle of a scooter type motorcycle, and other movements that run opposite or cross the traveling direction of the own vehicle based on information transmitted from other moving bodies, for example. When it is determined that the body exists, a band or line pattern obtained by combining a plurality of dot patterns is displayed on the windshield. In particular, in this configuration, the driver can directly view the pattern by making the pattern exist in the peripheral visual field surrounding the central visual field rather than in the central visual field where the driver can clearly see the object. It is possible to notice the presence or absence of the pattern without matching.
JP 2001-278153 A

  However, the configuration described in Patent Document 1 does not allow the driver to directly adjust the viewpoint to the display content, so the display content cannot be identified in detail, for example, when a plurality of types of information are provided. Is inconvenient. Of course, even in the above configuration, the driver can adjust the viewpoint to the display content, but it is necessary to move the viewpoint to a position very close to the viewpoint during driving.

  The present invention has been made in view of these problems, and is a configuration in which the driver directly adjusts the viewpoint to the display content, but can reduce the movement of the driver's viewpoint during driving. The purpose is to provide.

  The information display device for a moving body according to claim 1, which has been made to achieve the above object, is mounted on a moving body such as a vehicle (for example, an automobile or a motorcycle), and is a driver of the moving body. The information (for example, the information regarding the traveling speed and traffic of a mobile body) for displaying visually is displayed. And in this information display apparatus for moving bodies, the image projection means displays the image (including the image only consisting of characters) representing the information for the driver of the moving body to visually recognize the road surface on the traveling direction side of the moving body. Project to.

That is, in this information display device for a moving body, information to be visually recognized by the driver is not displayed on a display or the like provided on the moving body, but is displayed on a road surface.
According to such a moving body information display device, information for allowing the driver to visually recognize can be displayed at a position far from the driver as compared with a configuration in which the information is displayed on a display or the like provided on the moving body. As a result, it is possible to reduce the movement of the driver's viewpoint during driving while the driver directly adjusts the viewpoint to the display content. As a result, it becomes possible to provide a plurality of types of information, for example.

  In particular, when the moving body is a motorcycle as described in claim 2, a higher effect can be obtained. That is, in motorcycles, the driver wears a helmet and the engine sound is loud, so for example, it is difficult to hear sound notifications compared to automobiles, so providing information by visual recognition is extremely important, In addition, since the degree of freedom of the driver's driving posture is less than that of an automobile in a motorcycle, it is necessary to make the viewpoint movement as small as possible. For this reason, according to the configuration in which the image representing the information to be visually recognized by the driver of the motorcycle is projected onto the road surface on the traveling direction side, the information provided to the driver who is driving the motorcycle is highly safe. Can be realized.

  In addition, as described in claim 3, the inclination detection means detects the inclination state of the motorcycle body, and the projection position control means uses the image projection means according to the inclination state detected by the inclination detection means. If the configuration is such that the projection direction of the image is changed, the image can be projected at a position that is easy for the driver to see according to the inclination state of the motorcycle body. In other words, when the motorcycle body is tilted while traveling on a curved road, the driver's line of sight is directed toward the vehicle body leaning side compared to when the vehicle body is not tilted. By switching the projection direction of the image to either the normal position (for example, the front center position of the motorcycle) or the position close to the inclination direction depending on whether or not as described above, the viewpoint movement of the driver can be further reduced. It is.

  On the other hand, the speed detecting means detects the moving speed of the moving body, and the projection position control means projects the image by the image projecting means according to the moving speed detected by the speed detecting means. You may comprise so that a direction may be changed. According to this configuration, it is possible to project an image at a position that is easy for the driver to see according to the moving speed of the moving body. In other words, the faster the moving speed of the moving body, the farther the viewpoint of the driver during driving is, so that, for example, whether the moving speed of the moving body is equal to or higher than a predetermined value, the projection direction of the image By switching to any of the close positions, the driver's viewpoint movement can be further reduced.

  Further, as described in claim 5, the irradiation state detection means detects whether the headlamp provided on the moving body is in a high beam or a low beam, and the projection position control means detects the irradiation state. You may comprise so that the projection direction of the image by an image projection means may be changed according to the state detected by a detection means. According to this configuration, it is possible to project an image at a position that is easy for the driver to see according to the state of the headlamp. In other words, when the headlamp is in a high beam state, the driver's viewpoint is farther away than when the headlamp is in a low beam state. By switching to a position far from or close to the moving body, the driver's viewpoint movement can be further reduced.

  By the way, as information to be visually recognized by the driver of the moving body, for example, as described in claim 6, information provided by the navigation device (for example, an image for guiding the passing direction of an intersection or a convenience store mark near the passing point) Etc.). That is, an image representing information provided by the navigation device is projected onto the road surface. Here, since the information provided by the navigation device is information that needs to be transmitted to the driver during driving, the effect of reducing the driver's viewpoint movement is extremely high.

  In this case, as described in claim 7, the image projecting means projects an image (for example, an arrow image) that guides the passing direction of the intersection as an image representing the information provided by the navigation device. If configured, the driver can travel based on the image projected onto the road surface. In particular, when the moving body is a motorcycle, the degree of freedom of movement of the viewpoint of the driver is smaller than in the case of an automobile, and voice guidance is difficult to hear. Therefore, the effect of this configuration is extremely high.

Embodiments to which the present invention is applied will be described below with reference to the drawings.
FIG. 1 is a block diagram illustrating a schematic configuration of a mobile information display device 100 according to the first embodiment.

  This mobile object information display device 100 is mounted on a motorcycle (corresponding to a mobile object) and is for displaying information for the driver of the motorcycle to visually recognize. As shown in FIG. An image projection unit 20, a projection direction changing unit 30, a vehicle speed detection unit 40, and a control unit 50 are provided.

The image projection unit 20 includes a pattern creation unit 21 and a light irradiation unit 22, which are supported so as to have a certain positional relationship.
Here, the pattern creating unit 21 includes a light transmissive liquid crystal panel (LCD), and forms an image by changing the light transmittance of each pixel in the liquid crystal panel. Specifically, an image instructed by the control unit 50 is formed from a plurality of types of images stored in advance. For example, as shown in FIG. An image is formed by a portion having a high light transmittance (a white portion on the drawing) and a portion having a low light transmittance (a black portion on the drawing).

  On the other hand, the light irradiation unit 22 emits laser light to the liquid crystal panel of the pattern creation unit 21. Specifically, the entire surface of the liquid crystal panel of the pattern creating unit 21 is scanned with laser light. For this reason, the transmission state of the laser light differs depending on the image formed on the liquid crystal panel. Specifically, for example, when the image shown in FIG. 2 is formed on the liquid crystal panel, the laser light is transmitted only in a portion having a high light transmittance (a white portion in the drawing). That is, an image represented by a white portion is projected.

  And in this information display apparatus 100 for moving bodies, as shown in Drawing 3 and Drawing 4, image projection part 20 of such composition is the front part position in motorcycle 1 (it is the direction of the advancing direction of motorcycle 1 side). Position) at a lower position of the headlight 2. Therefore, by operating the light irradiation unit 22 (scanning the laser beam), an image (a white portion image in the example of FIG. 2) formed on the liquid crystal panel by the pattern creating unit 21 is Projected onto the road surface on the traveling direction side.

  The projection direction changing unit 30 changes the orientation of the image projecting unit 20 within a certain angle range with the left-right direction of the motorcycle 1 (the left-right direction in FIG. 4) as the rotation axis direction. That is, the projection direction of the image is changed to the vertical direction. Thus, by changing the direction of the image projection unit 20 by the projection direction changing unit 30, the position of the image projected from the image projection unit 20 on the road surface relative to the motorcycle 1 moves along the traveling direction of the motorcycle 1. . That is, the distance of the image projected from the image projection unit 20 with respect to the motorcycle 1 can be changed. Specifically, in the present embodiment, the projection position of the image can be changed in two stages. That is, the projection direction changing unit 30 causes the image projecting unit 20 to perform the first projection for projecting an image to the first projection position and the second projection closer to the motorcycle 1 than the first projection position. It is configured to be positioned in any one of the second direction for projecting the image to the position.

The vehicle speed detector 40 is a sensor for detecting the traveling speed (vehicle speed) of the motorcycle 1.
The control unit 50 includes a well-known CPU, ROM, RAM, input / output interface and the like (not shown). Then, the control unit 50 inputs the guidance data (data indicating the contents of the passing direction guidance at the intersection as will be described later) output from the portable navigation device 60 in a state of being mounted on the motorcycle 1, and this guidance data The image projection unit 20 performs processing for projecting an image according to the above.

  Here, as is well known, the portable navigation device 60 used in the present embodiment detects a current position by a GPS (Global Positioning System) receiver, and performs an intersection as guidance processing to a destination set by the user. Has a function of informing the passing direction guidance (for example, 300 m ahead left turn) by voice and screen display. In particular, the portable navigation device 60 has a function of outputting the guidance data indicating the contents of the intersection direction guidance to the outside. Specifically, for example, when guiding to make a right turn at an intersection, “300m ahead right”, “100m ahead right”, “50m ahead right” Guidance is performed, and corresponding guidance data is output at each timing.

  Next, guidance information projection processing performed by the control unit 50 will be described with reference to the flowchart of FIG. The guidance information projection process is started when the information display apparatus 100 for moving body is turned on.

  When the guidance information projection process is started, first, in S110, it is determined whether or not the guidance data from the portable navigation device 60 is input. If it is determined that the guidance data is input, the process proceeds to S120.

In S120, it is determined whether or not the vehicle speed of the motorcycle 1 detected by the vehicle speed detector 40 is equal to or higher than a predetermined speed (40 km / h in the first embodiment).
If it is determined in S120 that the vehicle speed is 40 km / h or more, the process proceeds to S130, and the projection direction changing unit 30 moves the image projection unit 20 in the first direction (first projection far from the motorcycle 1). (Position for projecting an image on the position), the process proceeds to S150.

  On the other hand, if it is determined in S120 that the vehicle speed is not 40 km / h or more (less than 40 km / h), the process proceeds to S140, and the projection direction changing unit 30 moves the image projection unit 20 in the second direction (motorcycle). (The direction for projecting the image at the second projection position close to 1) is moved to S150.

  In S150, the pattern creation unit 21 is instructed to form an image according to the guidance data from the portable navigation device 60. Specifically, for example, when guidance data corresponding to voice guidance “300m ahead right direction” is input, an image (FIG. 5) consisting of an arrow figure indicating the right direction and characters “300m”. 2).

  Subsequently, in S160, the operation of the light irradiation unit 22 is started. As a result, the laser beam is scanned over the entire surface of the liquid crystal panel on which an image corresponding to the guidance data is formed, and the image is projected onto the road surface in front of the motorcycle 1 (see FIGS. 3 and 4).

  Subsequently, in S170, it is determined whether or not a predetermined time (for example, 10 seconds) has elapsed since the start of the operation of the light irradiation unit 22, and when it is determined that the predetermined time has elapsed, the process proceeds to S180. After the operation of the light irradiation unit 22 is stopped, the process returns to S110. That is, the image is displayed for a certain period of time.

  In the moving body information display apparatus 100 according to the first embodiment, the image projection unit 20 corresponds to an image projection unit, and the projection direction changing unit 30 and steps S120 to S140 in the guidance information projection process (FIG. 5). The processing corresponds to the projection position control means, and the vehicle speed detection unit 40 corresponds to the speed detection means.

  As described above, the mobile information display device 100 according to the first embodiment displays the image representing the content of the intersection direction guidance on the basis of the guidance data provided by the portable navigation device 60. Project to the road surface on the direction side. For this reason, according to the information display apparatus 100 for a moving body, information to be visually recognized by the driver can be displayed at a position far from the driver as compared with a configuration in which the information is displayed by a display mounted on the motorcycle 1. Yes (see FIG. 3). As a result, it is possible to reduce the movement of the driver's viewpoint during driving while the driver directly adjusts the viewpoint to the display content. As a result, the passing direction of the intersection can be safely notified. In particular, in the motorcycle 1, the driver wears a helmet and the engine sound is loud, so that the notification from the sound from the portable navigation device 60 is difficult to hear, and the driver's driving posture is higher than that of an automobile or the like. Since the degree of freedom is small and it is desired to minimize the viewpoint movement, the effect of displaying information at a position far from the driver is extremely high.

  In addition, even when the position on the road surface where the image is to be projected is blocked by an object ahead (for example, a vehicle), the image is projected onto the object so that the image content can be recognized. It becomes.

  In addition, according to the information display device 100 for the moving body, the projection direction of the image is switched to a position far from the motorcycle 1 when the vehicle speed is high according to the vehicle speed of the motorcycle 1 (S120 to S140). ). Therefore, according to the moving body information display device 100, an image can be projected at a position that is easy for the driver to see according to the moving speed of the motorcycle 1. As a result, the driver's viewpoint movement can be further reduced.

Next, the information display apparatus 200 for mobile bodies of 2nd Embodiment is demonstrated using FIG.6 and FIG.7.
The moving body information display device 200 of the second embodiment shown in FIG. 6 is compared with the moving body information display device 100 (FIG. 1) of the first embodiment, instead of the vehicle speed detection unit 40, the headlight state detection. The point provided with the unit 70 is different from the content of the guidance information projection processing performed by the control unit 50. In addition, about the same component as the information display apparatus 100 for mobile bodies of the said 1st Embodiment, since the same code | symbol is attached | subjected, detailed description is abbreviate | omitted.

The headlight state detection unit 70 detects whether the headlight (headlight) 2 of the motorcycle 1 is in a high beam or a low beam.
Next, guidance information projection processing performed by the control unit 50 will be described with reference to the flowchart of FIG. The guidance information projection process is started when the information display apparatus 100 for moving body is turned on. In the guidance information projection process, the processes in S210 and S230 to S280 have the same contents as the processes in S110 and S130 to S180 in the guidance information projection process (FIG. 5) of the first embodiment.

  When the guidance information projection process is started, first, in S210, it is determined whether or not the guidance data from the portable navigation device 60 is input. If it is determined that the guidance data is input, the process proceeds to S220.

In S220, it is determined whether or not a high beam state is detected by the headlight state detection unit 70.
If it is determined in S220 that the high beam state is detected, the process proceeds to S230, the projection direction changing unit 30 positions the image projecting unit 20 in the first direction, and then the process proceeds to S250. .

  On the other hand, if it is determined in S220 that the high beam state is not detected (the low beam state is detected), the process proceeds to S240, and the projection direction changing unit 30 causes the image projecting unit 20 to be in the second direction. Then, the process proceeds to S250.

In S250, the pattern creation unit 21 is instructed to form an image according to the guidance data from the portable navigation device 60.
Subsequently, in S260, the operation of the light irradiation unit 22 is started.

  Subsequently, in S270, it is determined whether or not a predetermined time has elapsed since the operation of the light irradiation unit 22 was started. When it is determined that the predetermined time has elapsed, the process proceeds to S280, and the light irradiation unit 22 After stopping the operation, the process returns to S210.

  In the moving body information display apparatus 200 according to the second embodiment, the image projection unit 20 corresponds to an image projection unit, and the projection direction changing unit 30 and steps S220 to S240 in the guidance information projection process (FIG. 7). The process corresponds to a projection position control unit, and the headlight state detection unit 70 corresponds to an irradiation state detection unit.

As described above, according to the mobile information display device 200 of the second embodiment, the same effects as those of the mobile information display device 100 of the first embodiment can be obtained.
Further, in the moving body information display device 200, when the headlight 2 is a high beam, the projection direction of the image is switched to a position far from the motorcycle 1 according to the state of the headlight 2 (S220). ~ S240). For this reason, according to the moving body information display device 200, it is possible to project an image at a position that is easy for the driver to see according to the state of the headlight 2. As a result, the driver's viewpoint movement can be further reduced.

Next, the information display apparatus 300 for mobile bodies of 3rd Embodiment is demonstrated using FIG.8 and FIG.9.
The moving body information display device 300 according to the third embodiment shown in FIG. 8 is different from the moving body information display device 100 (FIG. 1) according to the first embodiment in that an inclination sensor 80 is used instead of the vehicle speed detection unit 40. The point provided is different from the point provided with the projection direction changing unit 90 in place of the projection direction changing unit 30 and the content of the guidance information projection processing performed by the control unit 50. In addition, about the same component as the information display apparatus 100 for mobile bodies of the said 1st Embodiment, since the same code | symbol is attached | subjected, detailed description is abbreviate | omitted.

The tilt sensor 80 detects the tilt state of the vehicle body of the motorcycle 1.
The projection direction changing unit 90 changes the orientation of the image projecting unit 20 within a certain angle range with the vertical direction (the vertical direction in FIG. 3) of the motorcycle 1 as the rotation axis direction. That is, the image projection direction is changed to the left-right direction. Thus, by changing the direction of the image projection unit 20 by the projection direction changing unit 90, the position of the image projected from the image projection unit 20 on the road surface with respect to the motorcycle 1 is in the left-right direction (the left-right direction in FIG. 4). Moving. Specifically, in the third embodiment, the image projection position can be changed in three stages. In other words, the projection direction changing unit 30 causes the image projecting unit 20 to project the first direction for projecting an image to the first projection position and the second projection position closer to the left than the first projection position. The second direction for projecting the image onto the first projection position and the third direction for projecting the image to the third projection position closer to the right side than the first projection position It is configured.

  Next, guidance information projection processing performed by the control unit 50 will be described with reference to the flowchart of FIG. The guidance information projection process is started when the information display apparatus 100 for moving body is turned on. In the guidance information projection process, the processes of S310 and S370 to S400 have the same contents as the processes of S110 and S150 to S180 in the guidance information projection process (FIG. 5) of the first embodiment.

  When the guidance information projection process is started, first, in S310, it is determined whether or not the guidance data from the portable navigation device 60 is input. If it is determined that the guidance data is input, the process proceeds to S320.

In S320, it is determined whether the leaning state of the motorcycle 1 in the left direction detected by the tilt sensor 80 is equal to or greater than a predetermined angle.
In S320, when it is determined that the leftward inclination state is equal to or greater than the predetermined angle, the process proceeds to S330, and the projection direction changing unit 90 positions the image projecting unit 20 in the second direction. The process proceeds to S370.

  On the other hand, if it is determined in S320 that the leftward inclination state is not greater than or equal to the predetermined angle, the process proceeds to S340, where the rightward inclination state of the motorcycle 1 detected by the inclination sensor 80 is the predetermined angle. It is determined whether it is above.

  If it is determined in S340 that the rightward inclination state is equal to or greater than the predetermined angle, the process proceeds to S350, and the projection direction changing unit 90 positions the image projection unit 20 in the third direction. The process proceeds to S370.

  On the other hand, if it is determined in S340 that the rightward tilt state is not greater than or equal to the predetermined angle (that is, if the left-right tilt state of the motorcycle 1 is determined to be less than the predetermined angle), S360 is determined. After the image projection unit 20 is positioned in the first direction by the projection direction changing unit 90, the process proceeds to S370.

In S370, the pattern creation unit 21 is instructed to form an image according to the guidance data from the portable navigation device 60.
Subsequently, in S380, the operation of the light irradiation unit 22 is started.

  Subsequently, in S390, it is determined whether or not a predetermined time has elapsed since the operation of the light irradiation unit 22 was started. When it is determined that the predetermined time has elapsed, the process proceeds to S400, and the light irradiation unit 22 After stopping the operation, the process returns to S310.

  In the moving body information display apparatus 300 of the third embodiment, the image projecting unit 20 corresponds to an image projecting unit, and the projection direction changing unit 90 and steps S320 to S360 in the guidance information projecting process (FIG. 9). The process corresponds to the projection position control means, and the tilt sensor 80 corresponds to the tilt detection means.

As described above, according to the mobile information display apparatus 300 of the third embodiment, the same effects as those of the mobile information display apparatus 100 of the first embodiment can be obtained.
Further, in the information display apparatus 300 for the moving body, when the vehicle body is tilted to the left according to the tilt state of the motorcycle 1, the image projection direction is switched to the left, and the vehicle body is tilted to the right. In this case, the image projection direction is switched to the right (S320 to S360). Therefore, according to the moving body information display device 300, an image can be projected at a position that is easy for the driver to see according to the tilt state of the vehicle body. As a result, the driver's viewpoint movement can be further reduced.

As mentioned above, although one Embodiment of this invention was described, it cannot be overemphasized that this invention can take a various form.
For example, the color of the projected image may be changed according to the distance to the intersection. In this way, the driver can intuitively grasp the distance to the intersection.

  In the mobile information display devices 100, 200, and 300 of each of the above embodiments, the image projection position is switched to two or three locations, but may be switched more finely.

  Furthermore, in the mobile information display devices 100, 200, and 300 of each of the embodiments described above, an image is projected by transmitting laser light through the liquid crystal panel, but the present invention is not limited to this. For example, an image may be drawn directly by laser light without using a liquid crystal panel. Moreover, you may utilize light sources other than a laser beam. However, the effect of using laser light is high in that it can be displayed easily in the daytime. In addition, if the amount of light from the light source is changed according to changes in the weather or day and night (specifically, for example, an illuminance sensor is provided so that the amount of light decreases as the illuminance decreases), the power consumption can be reduced. it can.

  On the other hand, in the mobile information display devices 100, 200, and 300 according to the above-described embodiments, an image is displayed based on the guidance data output from the portable navigation device 60. However, the present invention is not limited to this. For example, the content of the direction guidance may be grasped by analyzing the content of the image displayed on the display screen of the navigation device. Alternatively, an image displayed on the display screen of the navigation device may be read and the image projected. Further, the content of the guidance in the passing direction may be grasped by analyzing the content of the voice output from the navigation device. In this way, even a navigation device that does not have a function of outputting guidance data can be used.

  In the mobile information display devices 100, 200, and 300 according to the above embodiments, information provided from the navigation device is displayed. However, the present invention is not limited to this. Information related to this may be displayed.

  Furthermore, the mobile information display devices 100, 200, and 300 of each of the above embodiments are mounted on the motorcycle 1, but are not limited to this, and may be applied to mobile bodies other than motorcycles. Is also possible. For example, the present invention can be applied to a small mobile vehicle (so-called city commuter) in which an elderly person or a disabled person travels on a road, or an automobile.

It is a block diagram showing schematic structure of the information display apparatus for moving bodies of 1st Embodiment. It is explanatory drawing of the image formed on a liquid crystal panel. It is explanatory drawing in the state which looked at the motorcycle from the horizontal direction. It is explanatory drawing in the state which looked at the motorcycle from the upper direction. It is a flowchart of the guidance information projection process of 1st Embodiment. It is a block diagram showing schematic structure of the information display apparatus for moving bodies of 2nd Embodiment. It is a flowchart of the guidance information projection process of 2nd Embodiment. It is a block diagram showing schematic structure of the information display apparatus for moving bodies of 3rd Embodiment. It is a flowchart of the guidance information projection process of 3rd Embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Motorcycle, 2 ... Headlight, 20 ... Image projection part, 21 ... Pattern creation part, 22 ... Light irradiation part, 30, 90 ... Projection direction change part, 40 ... Vehicle speed detection part, 50 ... Control part, 60 ... Portable navigation device, 70 ... headlight state detection unit, 80 ... tilt sensor, 100, 200, 300 ... information display device for moving body

Claims (7)

  1. An information display device for a moving body that is mounted on a moving body and displays information for allowing a driver of the moving body to visually recognize it,
    Image projection means for projecting an image representing the information onto a road surface on the traveling direction side of the moving body;
    An information display device for a moving body.
  2. In the information display apparatus for moving bodies according to claim 1,
    The moving body is a motorcycle;
    An information display device for a moving body.
  3. In the information display apparatus for mobile bodies according to claim 2,
    An inclination detection means for detecting an inclination state of a vehicle body of the motorcycle;
    A projection position control means for changing the projection direction of the image by the image projection means in accordance with the inclination state detected by the inclination detection means;
    A moving body information display apparatus comprising:
  4. In the information display apparatus for moving bodies according to claim 1 or 2,
    Speed detecting means for detecting the moving speed of the moving body;
    A projection position control means for changing the projection direction of the image by the image projection means according to the moving speed detected by the speed detection means;
    A moving body information display apparatus comprising:
  5. In the information display apparatus for moving bodies according to claim 1 or 2,
    An irradiation state detection means for detecting whether a headlamp provided on the moving body is in a high beam or a low beam;
    A projection position control unit that changes a projection direction of the image by the image projection unit according to a state detected by the irradiation state detection unit;
    A moving body information display apparatus comprising:
  6. In the information display apparatus for moving bodies according to any one of claims 1 to 5,
    The information for making the driver of the mobile body visually recognize is information provided by a navigation device,
    An information display device for a moving body.
  7. In the information display apparatus for mobile bodies according to claim 6,
    The image projecting unit projects an image for guiding a passing direction of an intersection as an image representing information provided by the navigation device;
    An information display device for a moving body.
JP2004130065A 2004-04-26 2004-04-26 Information display device for mobile body Withdrawn JP2005306337A (en)

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JP2011068271A (en) * 2009-09-25 2011-04-07 Toyota Motor Corp Lighting device for vehicle
KR101124448B1 (en) * 2009-08-17 2012-03-21 도건우 Bicycle Having Display Device Displaying on Surface
GB2490889A (en) * 2011-05-16 2012-11-21 Emily Sophie Brooke Light projecting safety device for a bicycle
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JP2016503366A (en) * 2012-11-21 2016-02-04 スミッジー リミテッドSmidsy Ltd Bicycle projector with laser beam
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WO2009078294A1 (en) 2007-12-19 2009-06-25 Kabushiki Kaisha Toyota Chuo Kenkyusho Information display device
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JP2011068271A (en) * 2009-09-25 2011-04-07 Toyota Motor Corp Lighting device for vehicle
US8909432B2 (en) 2009-09-25 2014-12-09 Toyota Jidosha Kabushiki Kaisha Vehicular illuminating device
GB2490889A (en) * 2011-05-16 2012-11-21 Emily Sophie Brooke Light projecting safety device for a bicycle
GB2490889B (en) * 2011-05-16 2013-04-17 Emily Sophie Brooke Light projection safety device for a two wheeled vehicle
JP2012247369A (en) * 2011-05-30 2012-12-13 Honda Motor Co Ltd Projection device for vehicle
KR101282917B1 (en) * 2011-10-25 2013-07-08 이화여자대학교 산학협력단 Navigation method and apparatus using mobile projector
KR101359404B1 (en) * 2012-04-19 2014-02-10 주식회사 센플러스 Information display device for vehicles and display method using the same
JP2014007093A (en) * 2012-06-26 2014-01-16 Sharp Corp Light source device and light projector including the same
JP2016503366A (en) * 2012-11-21 2016-02-04 スミッジー リミテッドSmidsy Ltd Bicycle projector with laser beam
WO2015193996A1 (en) * 2014-06-18 2015-12-23 日立マクセル株式会社 Headlight device, and vehicle device using same
US10214141B2 (en) 2014-06-18 2019-02-26 Maxell, Ltd. Headlight device and vehicle device using same
DE102016119072A1 (en) 2015-10-13 2017-04-13 Suzuki Motor Corporation Vehicle Auffälligkeits- / signaling system
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