JPH034118A - Navigation system for moving body - Google Patents

Abstract

PURPOSE:To display a desired range by providing an input means, moving the current position of the moving body to an optional position on a display image plane and fixing it, and scrolling the display image plane properly as the moving body moves. CONSTITUTION:A travel distance sensor 1 and an azimuth sensor 2 supplies data regarding the travel distance and azimuth of the moving body to a position detection part 3. Further, a data reception part 8 receives necessary data regard ing the current position of the moving body by a receiving antenna 8A and supplies it to the detection part 3. Then the output of the detection part 3 is inputted to a data processing part 4. The processing part 4 reads map data regarding the movement area of the moving body out of a map data storage part 5 properly, and a scroll key input part 6A is operated to moves the current position of the moving body to an optional position in the image plane on a display part 7A, and also moves the map displayed in the image plane. Thus, an optional desired range can be displayed in the image plane.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a navigation device for a mobile body, and in particular, it is mounted on a mobile body such as a vehicle and used in connection with the movement of the mobile body. The present invention relates to a navigation device for a mobile body that is capable of displaying a map displayed on a display screen by enlarging or reducing an arbitrary area around the current position.

[Prior Art] FIG. 3 is a schematic configuration diagram showing a conventional navigation device for a mobile body of this type. In FIG. 3, a distance sensor (1) and a direction sensor (2) send data regarding the distance traveled by the moving body and its direction to a position detection unit (3).
supply to. The output side of this position detection section (3) is connected to the data processing section (4), and the map data storage section (5), key input section (6) and display section (7) are connected to the data processing section. (4). In addition, the display section (7
) is a map screen showing the current position of the mobile object, and (R1), (R2), (R
3) is a moving route such as a road, and (P) is the current position of the moving object.

Next, the operation of the above conventional example will be explained. Assuming that a mobile object is currently moving in a certain area, the corresponding map data is retrieved from the map data storage unit (5) based on the data from the mileage sensor (1) and the direction sensor (2). After performing necessary processing such as checking and determining its current position and direction of movement, it is displayed on the display unit (7). At this time, the current position (P) of the moving body is fixedly displayed at the center of the display screen of the display unit (7), and the corresponding map screen scrolls as the moving body moves.

[Problem to be Solved by the Invention] As described above, in this type of conventional device, the current position of the moving object is fixed at the center of the display screen of the display unit, and the corresponding position is changed as the moving object moves. Since the map screen scrolls, you can change the display scale (reduced scale) of the area around the current location of the mobile object that you want to check with particular care.
There is a problem in that there is a lack of flexibility in displaying any desired range on the screen without changing the area.

This invention was made in order to solve the above-mentioned problems.The input section is provided with an appropriate input means such as a scroll key, and the current position of the moving body can be displayed on the display screen of the display section. The movable body can be moved to any position and fixed, and the corresponding display screen can be scrolled appropriately as the movable body moves, so that special attention is paid to the area around the current position of the movable body. The object of the present invention is to provide a navigation device for a mobile object that is highly flexible in displaying any desired location and desired range on the screen without changing the display scale of the area that the user wants to check. Means for Solving the Problems] A navigation device for a mobile object according to the present invention includes: a mileage sensor that detects the travel distance of the mobile object; an azimuth sensor that detects the target direction of movement of the mobile object; a current position of the mobile object. A data receiving unit that accepts data related to the data from the outside;
a position detection unit that receives various data from the mileage sensor, the direction sensor, and the data reception unit to detect the current position of the mobile body; a map data storage that stores map data regarding the moving area of the mobile body; an input unit that provides various inputs such as key input; a display unit that displays a map display screen including the current position of the mobile object; a display control unit that controls display on the display unit; and a data processing unit. The input section includes an input means such as a scroll key for moving the current position of the movable body to an arbitrary position on the display screen.

[Operation] In the present invention, the current position of the moving object is moved and fixed at an arbitrary position on the display screen of the display unit using an appropriate input means such as a scroll key provided on the input unit. At the same time, the corresponding display screen is appropriately scrolled as the mobile object moves.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. 1st
FIG. 1 is a schematic configuration diagram showing a navigation device for a mobile body which is an embodiment of the present invention.

In FIG. 1, a distance sensor (1) and a direction sensor (2) supply data regarding the distance traveled by a moving object and its direction to a position detection section (3).

The data receiving unit (8) is for receiving data regarding the current position of the moving body from the outside, and is for example
Receive required data such as S data using a receiving antenna (8^
) and supplies it to the position detection unit (3). The output side of this position detection section (3) is connected to a data processing section (4) and also includes suitable input means such as a map data storage section (5) and a scroll key manual section (6B). A display section (7^) including a data input section (6^) and a display control section (7B) is also connected to the data processing section (4). In addition, the scroll key included in the human power section (6B) is E, which scrolls the display screen to the east.
key, the W key to scroll westward, the S key to scroll southward, and the N key to scroll northward. Also, what is exemplarily displayed on the display unit ()^) is a map screen showing the current position of the moving object, and (R1), (R2), and (R3) are the moving routes such as roads. , and (P) is the current position of the moving body.

FIG. 2 is a flowchart for explaining the operation of the above embodiment, in which the current state of the moving body can be displayed on the screen of the display section (7^) by operating the scroll key manual section (6^). While moving the position to any position,
This is to explain how to also move the map displayed on the screen.

Next, with appropriate reference to FIGS. 1 and 2,
The operation of the above embodiment will be explained. A mobile object is currently moving through a certain area, and a map for that area is displayed on the display section (7^) along with the current position of the mobile object at a certain predetermined display scale. Assume that you are trying to perform processing to display a wider range of a required area around the current location. Also, at this time, it is assumed that a required key in the input section (6^) is pressed (S20).

First, in step (S21), it is determined whether the E key for scrolling eastward is ON. If the result of this determination is YES, step (S
22), the map display screen is scrolled to the east (to the right in the figure) by a predetermined amount, and the current position (P) of the mobile object is also moved by a corresponding amount. On the other hand, when the result of the determination is NO, the step (S22) is skipped.

Next, in step (S23), it is determined whether the W key for scrolling westward is ON.

If the result of this determination is YES, step (
Moving to S24), the map display screen is scrolled to the west (to the left in the figure) by a predetermined amount, and the current position (P) of the mobile object is also moved by a corresponding amount. On the contrary,
When the result of the determination is NO, the step (S24) is skipped.

In the next step (S25), it is determined whether the N key for scrolling north is ON or not. If the result of this determination is YES, step (S
26), the map display screen is scrolled northward (upward in the figure) by a predetermined amount, and the current position 1f(P) of the mobile object is also moved by a corresponding amount. On the contrary,
The result of the above judgment is N.

If so, the above step (S28) is skipped.

In the next step (S27), it is determined whether the S key for scrolling south is ON or not. If the result of this determination is YES, the process moves to step (S28), where the map display screen is scrolled southward (downward in the figure) by a predetermined amount, and the current position R(P) of the mobile object is also changed accordingly. move by the amount of On the other hand, when the result of the determination is NO, the step (S28) is skipped.

Then, at the most t11 END step (S29), the process of moving the required display map and current position is completed.

In this way, as shown in FIG. 1, when the current position W(P) of the moving body is located at the lower left part of the display screen, when viewed from the moving body, This means that processing has been performed to display the desired range of the northeast region.

[Effects of the Invention] As explained above, the navigation device for a moving object according to the present invention includes: a mileage sensor that detects the distance traveled by the moving object; an azimuth sensor that detects the moving target direction of the moving object; a data receiving section that receives data regarding the current position of the body from the outside; a position detecting section that receives various data from the mileage sensor, the direction sensor, and the data receiving section to detect the current position of the moving body; A map data storage unit that stores map data related to the moving area of the mobile body; An input unit that provides various inputs such as key input; A display unit that displays a map display screen including the current position of the mobile body; Display on the display unit and a data processing section; the input section includes a scroll key for moving the current position of the moving object to an arbitrary position on the display screen. It is configured to include input means such as. Then, by an appropriate input means such as a scroll key provided on the input section, the current position of the moving object is moved and fixed at an arbitrary position on the display screen of the display section, and the moving object is Since the corresponding display screen is scrolled appropriately as the object moves, operations such as selecting the display screen and enlarging/reducing it can be performed based on the current position on the screen of the moving object. This has the effect of allowing you to do it freely according to your schedule.

[Brief explanation of drawings]

FIG. 1 is a schematic configuration diagram showing a navigation device for a moving object which is an embodiment of the present invention, and FIG. 2 shows the current position of the moving object on the screen and the movement of the map in the operation of the above embodiment. The flowchart diagram, Figure 3, for explaining the
FIG. 1 is a schematic configuration diagram showing this type of conventional navigation device for a mobile body. (1) is a mileage sensor. (2) is direction senna, (3) is position y! ! Il output section, (4) is the data processing section, (5) is the map data storage section, (6^) is the input section, (6B) is the scroll key manual section, (7^) is the display section, (7B) is the display control unit, (8) is the data reception unit, and (8^) is the reception antenna. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. Figure 1

Claims (1)

[Claims] (1) A mileage sensor that detects the mileage of the moving object; A direction sensor that detects the target direction of movement of the moving object; A data receiving section that receives data regarding the current position of the moving object from the outside; The mileage sensor; a position detection unit that receives various data from the orientation sensor and the data reception unit and detects the current position of the mobile body; a map data storage unit that stores map data regarding the movement area of the mobile body; A navigation device for a mobile body, comprising: an input unit for providing various inputs; a display unit for displaying a map display screen including the current position of the mobile body; a display control unit for controlling display on the display unit; and a data processing unit. The input section includes an input means for moving the current position of the moving body to an arbitrary position on the display screen, and the input means is operated to operate the display control section. A navigation device for a mobile body, wherein the current position of the mobile body can be moved to a desired position.