JP4251734B2 - Motorcycle equipped with navigation system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a navigation system-equipped motorcycle, and more particularly to a motorcycle equipped with a navigation system using a portable information device (hereinafter referred to as “PDA”).
[0002]
[Prior art]
2. Description of the Related Art Navigation systems that combine map information and a position detection device (GPS) that uses satellite radio waves to display the current location of a vehicle on a map and guide the vehicle to a destination are widely used. Conventionally, vehicle navigation systems have been mainly used for four-wheeled vehicles, but in recent years, mounting them in motorcycles has also been studied. For example, Japanese Patent Application Laid-Open No. 9-95276 proposes a motorcycle that takes into account the mounting position of a direction sensor so that it can easily receive satellite radio waves in a motorcycle equipped with a navigation system. In the navigation system described in the publication, a sunscreen and a cover that can be opened and closed are provided on the display unit.
[0003]
[Problems to be solved by the invention]
The conventional navigation system still has the following problems in order to be suitably mounted on a motorcycle. First, since motorcycles are generally smaller than four-wheeled vehicles, the space for mounting a navigation system is severely limited. Secondly, in a motorcycle, the navigation system is mounted in a state exposed to the outside air.
[0004]
That is, the conventional navigation system is large for a motorcycle, and the mounting position and method are not sufficiently considered. Therefore, improvements have been desired in view of display screens, dustproofing and waterproofing.
[0005]
An object of the present invention is to provide a motorcycle equipped with a navigation system that solves the above-described problems and improves usability.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a GPS sensor that receives GPS satellite radio waves and outputs positioning data, a vehicle instrument panel provided in front of the vehicle body, and displays navigation information based on the positioning data. A display unit to be displayed on the panel, the display unit having a first position and a display surface set so that a display surface thereof is substantially parallel to a panel surface of the instrument panel. The first feature is that the vehicle body is rotatably supported between the second positions retracted at an angle.
[0007]
In the present invention, the display unit is installed on the instrument panel, and at the first position, a display surface of the display unit rises along the instrument panel, and at the second position, the display unit A second feature is that the display unit is supported by the vehicle body so that the display surface of the display unit faces downward along the upper surface of the instrument panel.
[0008]
Furthermore, the present invention provides a box that can accommodate a PDA in which the display unit can provide navigation information based on the positioning data by a display panel, and relays the positioning data to the PDA accommodated in the box. And a system controller that performs a navigation operation, and has a third feature in that the box is supported by the vehicle body so that its posture can be freely changed between the first position and the second position.
[0009]
According to the first and second features, the display unit for displaying the navigation information follows the panel surface of the instrument panel at the first position, and thus recognizes the navigation information as if the driver looks at the instrument panel. can do. Further, since the display unit is rotated at a predetermined angle with respect to the instrument panel at the second position, the periphery of the instrument panel is simplified when the navigation information is not obtained.
[0010]
According to the third feature, the main part of the navigation information display unit can be constituted by a PDA. And the box which accommodates PDA can be supported by the vehicle body so that the posture can be freely changed between the first and second positions. That is, navigation information can be displayed using the function of the PDA based on the positioning data detected by the GPS sensor. And since PDA can be accommodated and used in a box, it can expect a dustproof and waterproof effect. Further, since the PDA is detachable from the motorcycle via the box, it can be removed from the motorcycle and carried for the purpose of preventing theft or for purposes other than navigation when not used for navigation.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described below with reference to the drawings. FIG. 2 is a side view of a motorcycle suitable for applying the navigation system of the present invention, and FIG. 3 is a perspective view of the main part. A scooter type motorcycle (hereinafter referred to as “scooter”) 1 has a double cradle type body frame 2 extending in the front-rear direction of the vehicle body. A head pipe 3 is attached to the front end of the vehicle body frame 2, and a front wheel 5 is attached to the tip of a front fork 4 that extends downward from the head pipe 3. The front wheel 5 is covered with a front fender 6 at the top. A handle 7 is fixed to the upper portion of the front fork 4, and the front and rear of the handle 7 are covered with a handle cover 33 that is divided into two front and rear.
[0012]
The handle bar 33 is provided with a transparent wind screen 34 via a stay (not shown), and a screen garnish 35 as a cover member is provided at the lower front portion of the wind screen 34. The handle cover 33 is provided with a PDA storage box (hereinafter simply referred to as “box”) 100 capable of storing a PDA (details will be described later) used for the navigation system. The box 100 is pivotally supported so as to be swingable in the direction of the arrow NA.
[0013]
A fuel tank 8, a radiator reserve tank 9, and a radiator 10 are provided in a cradle space surrounded by each pipe of the vehicle body frame 2, and a power unit 12 having a water-cooled engine 11 at the front is provided behind the cradle space. Is provided. The power unit 12 is swingably attached to the vehicle body frame 2 with its front portion suspended by a link mechanism 13 and its rear end portion suspended by a rear cushion 14. A rear wheel 15 is attached to the rear portion of the power unit 12, the vehicle body frame 2 is covered with a body cover 17, and a seat 16 is disposed on the rear upper portion of the vehicle body frame 2.
[0014]
The body cover 17 forms a front portion with a front cover 21 that covers the front portion of the head pipe 3 and the top of the front wheel 5 and an inner cover 22 that covers the rear portion of the front cover 21. The left and right step floors 23 on which the driver puts his / her feet extend rearward from the inner cover 22, and the floor skirt 24 extends downward from the outer edge of the step floor 23. The lower edge of the floor skirt 24 is covered with an under cover 25, and the longitudinal center of the body frame 2 is covered with a center cover 26 extending rearward from the inner cover 22. Both side surfaces of the rear part of the body frame 2 are covered with side covers 27 extending rearward from the center cover 26. The left and right lower side covers 28 extend downward from the outer edge of the side cover 27, and the rear lower portion of the vehicle body frame 2 is covered with a rear center cover 29 provided behind the lower side cover 28. A rear upper end portion of the vehicle body frame 2 is covered with a rear upper cover 30 provided above the rear center cover 29.
[0015]
A headlamp 41 and a blinker light 42 are mounted on the front cover 21. Further, a GPS sensor 110 that receives GPS satellite radio waves for the navigation system and outputs positioning data and an MPU 111 as a system controller that controls the navigation system are disposed on the front cover 21. The GPS sensor 110 is not limited to the front part of the vehicle body but may be mounted (reference numeral 110a) on the rear part of the vehicle body such as the rear upper cover 30 or the like. The screen garnish 35 is provided with air guide holes 35a, 35a, and traveling wind along the front surface of the front cover 21 flows upward and is guided to the air guide holes 35a, 35a.
[0016]
A part of the center cover 26 is provided with an oil supply lid 43 and a spark plug inspection lid 44. A main stand 45 is provided at the lower part of the vehicle body, and an air cleaner 46 is provided inside the lower side cover 28. Further, a rear grip 47, a tail lamp 48, and a rear fender 49 are provided at the rear part of the vehicle body.
[0017]
FIG. 4 is a system configuration diagram of the navigation system. The GPS sensor 110 and the PDA 200 accommodated in the box 100 are connected to the MPU 111 as a system controller that centrally manages navigation operations. The PDA is known as a personal form information device having a function of managing a personal schedule, a display panel function capable of pen input, a function of searching and storing a large amount of information such as a dictionary and a manual, In this embodiment, these functions can be used as a navigation function by storing or retrieving map information. The box 100 is also provided with a switch 102 for switching and scrolling the display screen of the PDA 200 and reducing / enlarging the map. This switch 102 is also connected to the MPU 111. The power source of the MPU 111 is taken from an in-vehicle battery 112. Although the PDA 200 has a battery inside, when connected to the MPU 111 and used, the PDA 200 can receive power from the battery 112 via the MPU 111.
[0018]
The PDA 200 has a memory capable of storing travel data and a display screen, and provides navigation information according to positioning data from the GPS sensor 110 and a control signal from the MPU 111 to perform a navigation operation. The travel data includes electronic map information and route information to the destination. The travel data is created based on information obtained from a network such as the Internet using a personal computer and electronic map information, for example. A travel route is created by giving a destination as input information, and waypoints such as main intersections on the route are selected according to a preset algorithm when the route is determined. The travel data may be input from a personal computer, or information stored in advance in a ROM or the like may be transferred.
[0019]
The MPU 111 supplies a control signal c1 to the GPS sensor 110, and the GPS sensor 110 receives GPS satellite radio waves according to the control signal c1. The GPS sensor 110 inputs positioning data d1 based on GPS satellite radio waves to the MPU 111. The MPU 111 analyzes the positioning data d1 and the instruction signal d2 from the switch 102, and supplies the control signal c2 and the positioning data d1 to the PDA 200. The PDA 200 is activated by the control signal c2, uses the positioning data d1, executes a scheduled program, and displays navigation information on the display panel. The PDA 200 inputs a state signal d3 indicating an operation state to the MPU 111.
[0020]
Next, an attachment mode of the box 100 in which the PDA 200 is accommodated will be described. FIG. 1 is a front side perspective view of a scooter for mounting a box 100, FIG. 5 is a front perspective view thereof, and FIG. 6 is a front perspective view showing a state in which a PDA 200 is moved (rotated) to a non-use position. In these figures, the same reference numerals as those in FIG. In each figure, the wind screen 34 is removed. An instrument panel (meter) 50 is incorporated in the handle cover 33. A speedometer 51 is provided at the center of the surface of the instrument panel 50, a fuel gauge 52 is provided on the left side, and a water temperature gauge 53 is provided on the right side.
[0021]
A hazard switch 54 is provided on the upper front side adjacent to the right side of the instrument panel 50, a start switch 55 is provided on the lower side, and a kill switch 56 is provided on the upper surface. Further, a winker switch 57 is provided on the upper front side adjacent to the left side of the instrument panel 50, a horn switch 58 is provided on the lower side, and a high beam / low beam switch 59 is provided on the upper surface.
[0022]
The box 100 is mounted along the lower edge of the instrument panel 50. The box 100 is sized and shaped to accommodate a PDA having a memory and a display panel that can store map information used in the navigation system. The box 100 is provided with a window 101 and a switch 102 provided with transparent glass or a transparent acrylic sheet so that the display panel of the PDA 200 accommodated therein can be seen. As shown by arrows in FIG. 5, switches 102 that can be operated left and right and up and down are used. Left and right clicks are used to switch the display panel of the PDA 200, and up and down clicks are used to enlarge and reduce the map. The surface 103 of the box 100 on which the window 101 and the switch 102 are provided is a lid, and the lid 103 is opened to detach the PDA. The lid 103 is provided with a knob 104. By rotating the knob 104, the lid 103 can be locked and unlocked. It is preferable that the knob 104 can be locked and unlocked by an engine key for security.
[0023]
The box 100 has pivot shafts 105 and 105 extending to the left and right, and the pivot shafts 105 and 105 are supported by bearings (not shown) incorporated in the handle cover 33, respectively. When using the navigation system, as shown in FIGS. 1, 2, and 5, the box is moved by a spring means (not shown) to a position (first position) where the display surface of the PDA substantially coincides with the surface of the instrument panel 50. 100 is lifted (popped up). On the other hand, when the navigation system is not used, the box 100 can be pushed down and retracted to a position where the display surface of the PDA, that is, the window 101 is substantially vertical (second position). Locking means such as a magnet catch may be provided on the back surface of the box 100 and the handle cover 33 so that the box 100 is fixed to the handle cover 33 in this retracted position.
[0024]
The rotary shafts 105, 105 are provided with a rotary damper that acts against the spring means when the box 100 is rotated from the retracted position (position of FIG. 6) to the use position (position of FIG. 1). Is good. This is because it is convenient to protect the PDA from the smooth rotation of the box 100 and the vibration of the vehicle and to prevent the display screen from vibration. As the rotary damper, an oil damper in which oil is sealed in a package can be used. This damper action functions only when the box rotates to the first position, and the damper action does not function when the box rotates from the first position to the second position. Therefore, when the user wants to look at the GPS display screen, that is, the display panel of the PDA, the screen can be gently rotated from the retracted position (second position), and when the user wants to retract, the user can quickly retract.
[0025]
FIG. 7 is a perspective view of the box 100 with the lid 103 opened. A relay unit 107 having a multipolar connector 106 coupled to the input / output terminal of the PDA 200 is provided in the box 100. The relay unit 107 relays the signal from the connector 106 to the MPU 111 and relays the signal of the switch 102 to the MPU 111 via the cable 108. The PDA 200 is detachable from the box 100 through the connector 106.
[0026]
Therefore, the PDA 200 can be connected to the connector 106 and incorporated as a navigation system when riding the scooter, and when the driver leaves the scooter, the PDA 200 is disconnected from the connector 106 and extracted from the box 100 and carried independently of the navigation system. be able to. Since the PDA 200 is housed in the box 100 in this way, the PDA 200 can be easily removed from the scooter, which is advantageous from the viewpoint of theft prevention. Of course, the PDA 200 is not used for navigation but is used as an address book or a dictionary. It is also convenient when used as a multifunction information device. Further, since the connection portion with the PDA is also accommodated in the box 100, the influence of rain, wind, dust, etc. can be suppressed to a small extent.
[0027]
The state transition in the navigation system will be described with reference to the state transition diagram of FIG. 8 and an example of the display screen (FIGS. 9 to 14). In FIG. 8, the status S0 is waiting for data reception. When there is data in the memory of the PDA 200, or when reception of data is completed normally, the process proceeds to status S1. In the status S1, the system further waits for data reception and waits for an activation command. In the statuses S0 and S1, the title screen P1 of FIG. 9 is displayed on the display panel.
[0028]
When the switch 102 is left-clicked in the status S1, the status shifts to the status S2. In status S2, an arrow navigation display screen is displayed (see FIG. 10). On the arrow navigation display screen, an arrow N1 and a dot mark N2 indicating the direction of the waypoint, a name N3 of the waypoint, a number N4 indicating the great circle distance to the waypoint, and a decrease in the distance N4 to the waypoint are displayed in a bar graph. A graphic N5 is displayed.
[0029]
When the switch 102 is left-clicked in the status S2, the status shifts to the status S3. In status S3, a frame map navigation screen is displayed (see FIG. 11). On the top map navigation screen, the shape of the waypoint and the arrow N6 in the traveling direction are displayed large, and the direction of the waypoint is displayed as a small arrow N7. When the switch 102 is left-clicked in the status S3, the process proceeds to the status S4. When the switch 102 is right-clicked, the process returns to the status S2. In status S4, a map navigation screen is displayed. In this status S4, the map is fixed.
[0030]
When the switch 102 is left-clicked in the status S4, the process proceeds to the status S5, and when the switch 102 is right-clicked, the process returns to the status S3. In status S5, in addition to the display of status 4, a map navigation screen with a travel locus is displayed (see FIG. 12). The arrow N8 in the figure is the vehicle position and the traveling direction, and the locus is indicated by a dot N9.
[0031]
When the switch 102 is left-clicked in the status S5, the process proceeds to the status S6, and when the switch 102 is right-clicked, the process returns to the status S4. In the status S6, a map navigation screen with only the travel locus is displayed except for the map.
[0032]
When the switch 102 is left-clicked in the status S6, the process proceeds to the status S7, and when the switch 102 is right-clicked, the process returns to the status S5. In the status S7, the map navigation screen is displayed with the vehicle position fixed. Accordingly, a screen on which the map is scrolled according to the traveling of the host vehicle is displayed.
[0033]
When the switch 102 is left-clicked in the status S7, the process proceeds to the status S8, and when the switch 102 is right-clicked, the process returns to the status S6. In the status S8, a map navigation screen with a traveling locus is displayed with the vehicle position fixed.
[0034]
If the switch 102 is left-clicked in the status S8, the process proceeds to the status S9. If the switch 102 is right-clicked, the process returns to the status S7. In the status S9, the map navigation screen with only the traveling locus is displayed except for the map in a state where the vehicle position is fixed.
[0035]
When the switch 102 is left-clicked in the status S9, the process proceeds to the status S10, and when the switch 102 is right-clicked, the process returns to the status S8. In the status S10, the arrangement of the satellites is displayed (see FIG. 13). In FIG. 13, a satellite N10 in use, a standby satellite N11, and a satellite N12 being searched are displayed along with their azimuths.
[0036]
When the switch 102 is left-clicked in the status S10, the process proceeds to the status S11. When the switch 102 is right-clicked, the process returns to the status S9. In the status S11, latitude and longitude indicating the position of the vehicle is displayed (see FIG. 14). This display screen shows the traveling speed, latitude, longitude, and direction of travel of the host vehicle.
[0037]
If the switch 102 is left-clicked in the status S11, the process returns to the status S2. If the switch 102 is right-clicked in the status S2, the status S3 to S10 are skipped and the process proceeds to the status S11.
[0038]
The above state transition diagram shows an example of transition according to the operation of the switch 102, but the arrow navigation display and the frame map navigation display based on the position of the vehicle up to the waypoint regardless of the operation of the switch 102. And can be switched. For example, the arrow navigation display is performed until reaching 400 m before the waypoint, and the arrow navigation display is switched to the frame map navigation display when reaching 400 m before the waypoint. In addition, when the vehicle passes through the waypoint and is 50m away or when it does not go straight at the intersection, and the vehicle body faces the direction of exiting the intersection, the target waypoint is switched and the arrow navigation display is displayed from the top map navigation display. Switching to is performed. Further, the waypoint is automatically updated when it deviates from the set travel route.
[0039]
Subsequently, a modified example will be described. In the above-described embodiment, the box 100 that accommodates the PDA 200 is attached along the lower edge of the instrument panel 50. However, the present invention is not limited to this position, and can be attached, for example, above the instrument panel 50. 15 is a front side view of the scooter showing the box 100 provided above the instrument panel 50, and FIG. 16 is an enlarged cross-sectional view of the main part of FIG. FIG. 17 is a cross-sectional view when the box 100 is stored.
[0040]
The upper plate 60 forms part of a cover 61 that covers the upper portion of the instrument panel 50, and is supported on the cover 61 by a hinge 62 so as to be rotatable. An upper edge of the box 100 that accommodates the PDA 200 is connected by a hinge 63 to the end of the upper plate 60, that is, the end opposite to the side supported by the hinge 62. Further, at both ends of the lower edge of the box 100, there are provided sliders 65 that are fitted and slid onto a pair of two rails 64 (only one side is shown) provided to be distributed to the left and right of the vehicle body.
[0041]
With this configuration, when the upper plate 60 is lifted from the state in which the box 100 is folded as shown in FIG. 17, the box 100 is coupled to the end of the upper plate 60 by the hinge 63. Can be lifted. On the other hand, the lower edge of the box 100 slides on the rail 64 via the slider 65 and is guided to the end of the rail 64 (near the rear of the vehicle body). Thus, as shown in FIGS. 15 and 16, the box 100 is raised with the display panel surface of the PDA 200 facing the driver, the display surface of the instrument panel 50 and the display panel surface of the PDA are substantially parallel, Is easy to see. 15 and 16, when the upper plate 60 is pushed down while pushing near the lower edge of the box 100 with a finger, the box 100 is displayed with the display panel surface of the PDA 200 facing downward as shown in FIG. It is stored in the cover 61.
[0042]
In the above embodiment, the box 100 opens the lid 103 supported by the hinges to detach the PDA 200, but the structure of the box 100 is not limited to this. FIG. 18 is a perspective view showing a modified example of the box 100. An opening 66 for attaching / detaching the PDA 200 is provided on the end face of the box 100A, and a lid 67 is adapted to the opening 66. The box 100A is provided with a window 101 and a switch 102 through which the display panel of the PDA accommodated therein can be seen, and a connector (not shown) for connecting terminals of the PDA 200, as in the embodiment of FIG.
[0043]
When the PDA 200 is used in a navigation system, the lid 67 is opened, the PDA 200 is inserted into the box 100A through the opening 66, and the lid 67 is fitted into the opening 66 and sealed. When the PDA 200 is not used by being incorporated in the navigation system, the lid 67 is removed and the opening 66 is opened, and the PDA 200 is removed from the box 100A.
[0044]
In addition, it is good to interpose the packing and seal | sticker for waterproof and dust prevention in the fitting surface of the lid | cover 103 of the boxes 100 and 100A demonstrated regarding FIG. 7, FIG. 18, etc., the lid | cover 67, and the boxes 100 and 100A.
[0045]
【The invention's effect】
As is apparent from the above description, according to the inventions of claims 1 to 3, when the navigation system is used, the display unit is displayed by bringing the display surface of the display unit along the surface of the instrument panel of the vehicle. Easy navigation information. Further, when the navigation system is not used, the periphery of the instrument panel is simplified because the navigation panel is retracted at a predetermined angle with respect to the instrument panel.
[0046]
In particular, in claim 2, the display surface can be gently rotated by a damper action, and in claim 5, retraction can be performed quickly. According to the fourth aspect of the present invention, the display unit is detachable, so that it can be used as a portable navigation device, and when not used, the box can be used as an accessory case.
[0047]
Further, in the case where navigation is displayed on the two-wheeled vehicle as in the sixth aspect, the limited space around the steering wheel can be used effectively, and the vehicle meter and the navigation display can be easily confirmed. According to the seventh aspect of the present invention, when the navigation is not used, the box rotates and follows the vehicle body. Therefore, the navigation display surface can be stored with a simple movement so as not to get in the way. According to the eighth aspect, since the PDA as the map information storage display means can be stored in the box, it can be effectively protected from water and dust.
[Brief description of the drawings]
FIG. 1 is a perspective view showing the periphery of a scooter panel according to an embodiment of the present invention.
FIG. 2 is a side view of a scooter to which the present invention can be applied.
FIG. 3 is a front perspective view of a scooter to which the present invention can be applied.
FIG. 4 is a system configuration diagram of a navigation system.
FIG. 5 is a front perspective view showing the vicinity of the instrument panel of the scooter according to the embodiment of the present invention.
FIG. 6 is a perspective view of the main part showing the periphery of the scooter instrument panel according to the embodiment of the present invention.
FIG. 7 is a perspective view of a PDA storage box showing a state where a lid is opened.
FIG. 8 is a state transition diagram in the navigation system.
FIG. 9 is a diagram showing a display example (1) of the PDA display panel.
FIG. 10 is a diagram showing a display example (2) of the PDA display panel.
FIG. 11 is a diagram showing a display example (3) of the PDA display panel.
FIG. 12 is a diagram showing a display example (4) of the PDA display panel.
FIG. 13 is a diagram showing a display example (5) of the PDA display panel.
FIG. 14 is a diagram showing a display example (6) of the PDA display panel.
FIG. 15 is a front side view of a scooter showing a box provided above the instrument panel.
16 is an enlarged cross-sectional view of a main part of FIG.
FIG. 17 is a cross-sectional view of a main part of the scooter when the box is stored.
FIG. 18 is an exploded perspective view according to a modified example of a box that accommodates a PDA.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Scooter, 2 ... Body frame, 7 ... Handle, 33 ... Handle cover, 50 ... Instrument panel, 100 ... PDA storage box, 101 ... Window, 102 ... Switch, 103 ... Cover, 104 ... Knob, 105 ... Rotating shaft 110 ... GPS sensor, 111 ... MPU

Claims (7)

A GPS sensor that receives GPS satellite radio waves and outputs positioning data;
A vehicle instrument panel on the front of the vehicle body;
A display unit for displaying navigation information on a display panel based on the positioning data,
Between the first position where the display unit is set so that the display surface thereof is substantially parallel to the panel surface of the instrument panel and the second position where the display surface is retracted at a predetermined angle with respect to the instrument panel. It is supported by the vehicle body so that it can rotate freely .
And the box which can accommodate PDA which can provide navigation information based on the positioning data by a display panel,
A system controller that relays the positioning data to the PDA accommodated in the box and performs a navigation operation;
A navigation system-equipped motorcycle , wherein the box is supported by a vehicle body such that the posture thereof is freely changeable between the first position and the second position . A rotating shaft for rotatably supporting the display unit on the vehicle body;
Spring means for rotating the display unit from the second position to the first position;
The navigation system-equipped motorcycle according to claim 1, further comprising: a rotary damper means that applies a force against the spring means. A GPS sensor that receives GPS satellite radio waves and outputs positioning data;
An instrument panel on the front of the car body,
A display unit for displaying navigation information on a display panel based on the positioning data,
While installing the display unit on the instrument panel,
The display unit is supported by the vehicle body such that its display surface can change its posture between a first position rising toward the rear in the vehicle traveling direction and a second position facing downward .
And the box which can accommodate PDA which can provide navigation information based on the positioning data by a display panel,
A system controller that relays the positioning data to the PDA accommodated in the box and performs a navigation operation;
A navigation system-equipped motorcycle , wherein the box is supported by a vehicle body such that the posture thereof is freely changeable between the first position and the second position . The navigation system-equipped motorcycle according to claim 2 , wherein the rotary damper means acts only in the direction of rotation from the second position to the first position.   The navigation system according to claim 1 or 3, wherein the display unit is provided at a substantially central portion of a handle of the motorcycle, and a display surface is displayed in the vicinity of the instrument panel at the first position. On-board motorcycle.   4. The navigation system-equipped motorcycle according to claim 1, wherein the second position is set so that the display unit is along a surface of a vehicle body. The box is
A lid that can be opened and closed to put in and out the PDA;
A connector connected to an input / output terminal of the PDA;
It contained claims 1 navigation system mounted type motorcycle, wherein the has a window for perspective display panel PDA.

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