JPH09119848A - Recording medium for navigation apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recording medium using a GPS by which the position of a destination can be input simply, whose costs are not increased. SOLUTION: Bar codes 10 on which latitude information and longitude information are recorded are printed on a map or the like. A bar-code reader 2 is installed, and the bar codes 10 on which pieces of information including the latitude information and the longitude information are recorded are read out by the bar-code reader 2. The pieces of information which are read out by the bar-code reader 2 are input as information on a destination. Thereby, the latitude information and the longitude information on the target can be input simply.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording medium for a navigation device using GPS, and more particularly to a GP.
It relates to simplification of input of a navigation device using S.

[0002]

2. Description of the Related Art Navigation systems using GPS (Global Positioning System) have been developed. G
In PS, a plurality of satellites can be used to accurately measure the position of a moving body. In a navigation system using GPS, a map is displayed on the display, and the current position of the mobile body obtained from the GPS receiver is displayed on the map. The display informs the driver of the current location of the moving body.

Further, in the navigation system using GPS, the direction of the destination with respect to the current location and the distance from the current location to the destination can be displayed by inputting the destination in advance. That is, the position of the destination is input and stored as latitude and longitude information. GPS
The latitude and longitude information of the current location of the mobile body obtained from the receiver is compared with the previously stored location and latitude information of the destination to obtain the direction and distance of the destination with respect to the current location.

[0004]

In the navigation system using GPS, in order to display the direction and distance of the destination with respect to the present location, it is necessary to input the position of the destination in latitude and longitude. . However, the operation of inputting the position of the destination with the latitude and longitude information cannot be easily performed.

Therefore, it is conceivable that a memory for storing latitude and longitude information corresponding to a place name is provided so that when the place name is input with a keyboard, the latitude and longitude corresponding to the place name are input. However, the work of checking the place name of the destination and inputting the place name of the destination with the keyboard is very troublesome.

When the map is displayed on the display and the cursor is displayed and the cursor is moved to the destination on the map to specify the position of the destination, the latitude and longitude information of the destination is input. It is possible. However, in this case, a display with high resolution is required, the system becomes complicated, and the cost increases. Further, it is difficult to find a destination from the map information displayed on the display.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a recording medium for a navigation device using GPS, which can easily input the position of the destination and does not increase the cost.

[0008]

According to the present invention, information including latitude and longitude information is recorded in a bar code format, and the information read by a bar code reader is read into a navigation device as destination information. The recording medium of the device.

[0009]

Operation: For example, a bar code in which latitude and longitude information is recorded is printed at a main point on the map, and this bar code is read by a bar code reader. Then, the latitude and longitude information read from this barcode is input as the destination. This allows the user to easily
You can enter longitude information.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows an outline of a navigation system to which the present invention is applied. In FIG. 1, 1 is a main body and 2 is a bar code reader.

The main body 1 is for positioning the current position of a mobile unit using a satellite. The main body 1 is provided with an antenna 3 for receiving radio waves from satellites, and a display 4 for displaying the current position of the moving body and the direction and distance to the destination.

The bar code reader unit 2 reads the bar code 10 in which latitude and longitude information is recorded. The barcode reader unit 2 includes a barcode reading unit 6, a reading on / off switch 7, and a data transfer switch 8.
And

The information read by the bar code reader section 2 can be sent to the main body section 1 by using infrared rays. That is, the barcode reader unit 2 is provided with the infrared data transmission unit 9. In addition, the main body 1 includes an infrared light receiving portion 5
Is provided. When the data transfer switch 8 of the barcode reader unit 2 is pressed, infrared rays modulated based on the data read by the barcode reader unit 2 are emitted from the infrared transmission unit 9 of the barcode reader unit 2. This infrared ray is received by the infrared ray receiving section 5 of the main body section 1.

FIG. 2 is a block diagram showing a navigation system to which the present invention is applied. In FIG.
The barcode reader unit 2 includes a reading circuit 31, a format conversion circuit 32, a light emitting circuit 33, and the like. The barcode 10 is read by the reading circuit 31, and the signal of the barcode 10 is sent to the format conversion circuit 32. The format conversion circuit 32 decodes latitude and longitude information from the barcode read signal. The latitude and longitude information is sent to the light emitting circuit 33, and infrared rays based on the latitude and longitude information are emitted from the light emitting circuit 33.

The main body 1 comprises a GPS receiver 21, a map data memory 22, a data control unit 23, a display 4, a light receiving circuit 26, a read data memory 27 and the like. The latitude and longitude information of the current location is obtained from the GPS receiver 21, and the latitude and longitude information of the current location is sent to the data control unit 23.

Map information is stored in the map data memory 22. The map data memory 22 is a CD-
ROM, card ROM, IC card, etc. can be used. The map data stored in the map data memory 22 is sent to the data control unit 23.

The infrared light from the bar code reader unit 2 is received by the light receiving circuit 26, and the latitude and longitude information of the destination read by the bar code reader unit 2 is output from the light receiving circuit 26. The latitude and longitude information is sent to the read data memory 27 and stored in the read data memory 27. The output of the read data memory 27 is sent to the data control unit 23.

The data control unit 23 plots the current latitude and longitude information from the GPS receiver 21 on the map from the map data memory 22. Also, using the latitude and longitude information of the destination stored in the read data memory 27 and the current latitude and longitude information from the GPS receiver 21, the direction of the destination and the distance to the destination are calculated. To do. Further, since the speed of the moving body is obtained by the GPS receiver 21, the estimated arrival time at the destination is calculated using the speed of the moving body.

A display signal from the data control section 23 is sent to the display 4 via the display driver 24. The display 4 displays the current position of the moving body, the direction and distance to the destination, and the like.

That is, as shown in FIG. 3A, the current position 51 is displayed on the map on the display 4.
Further, as shown in FIG. 3B, the distance 52 to the target value and the direction 53 of the target value are displayed. Further, the current traveling speed 54 and the required time 55 to reach the target value are displayed.

In the above example, the read data of the bar code reader unit 2 is sent to the main body unit 1 by using infrared rays, but as shown in FIG. 4, the main body unit 1 and the bar code reader unit 2 are used. And the data read by the barcode reader unit 2 may be sent to the main body unit 1 via the data line 16. Furthermore, as shown in FIG. 5, the main body 1 and the bar code reader may be integrated.

In the navigation system to which the present invention is applied, a bar code 10 is printed at a place that can generally be a destination, such as a tourist spot, a major intersection, a major interchange, etc., as shown in FIG. 12 are prepared, and such a map 12 is used when inputting a destination. The barcode 10 includes attributes such as latitude and longitude information of the point, tourist spots, intersections, and interchanges. The user can use this map 1
The destination is searched from above 2, and the barcode 10 printed on the destination is read by the barcode reader 2.

That is, as shown in FIG. 1, the reading section 6 of the bar code reader 2 is replaced with the bar code 10 on the map 12.
Then, the data transfer switch 8 is pressed. By doing so, the latitude and longitude information of the barcode 10 read by the barcode reader 2 is sent to the main body 1 via infrared rays.

The input of the destination is not limited to the bar code-printed map 12. For example, as shown in FIG. 7, a travel guidebook 1
The bar code 14 in which the latitude and longitude information of the tourist spots introduced in the guidebook 13 is recorded is printed on 3. In this way, if the bar code 14 in which the latitude and longitude information of the tourist spot is recorded is printed, the user only needs to read the bar code 10 with the bar code reader 2.
The position of the tourist spot introduced in the guidebook 13 can be immediately input as the destination.

It is also possible to input the main positions on the route to reach a predetermined destination as individual destinations. For example, as shown in FIG. 8, it is assumed that the user wants to go to the point D via the points A, B, and C. In this case, the bar codes 15A, 15B, 15C and 15D at the points A, B, B, C and D are read,
The latitude and longitude of points A, B, B, C, and D are input as destinations. Until the point A is reached, the point A is read from the read data memory 27 as latitude and longitude information of the destination. Then, the direction and distance to the point A are displayed on the display 4. After passing the point A, the point B is read from the read data memory 27 as latitude and longitude information of the destination, and the direction and distance to the point B are displayed on the display 4. After passing the point B, the point C is read from the read data memory 27 as latitude and longitude information of the destination, and the direction and distance to the point C are displayed on the display 4. After passing the point C, the point D is read from the read data memory 27 as latitude and longitude information of the destination, and the direction and distance to the point D are displayed on the display 4. In this way, if you switch destinations each time you pass each point,
You can reach the final destination via each point.

[0026]

According to the present invention, for example, a bar code in which latitude and longitude information is recorded is printed at a main point on a map, the bar code is read by a bar code reader, and the bar code is read from the bar code. By inputting the read latitude and longitude information as the destination, the latitude and longitude information of the destination can be easily input.

[Brief description of the drawings]

FIG. 1 is a perspective view of one embodiment of the present invention.

FIG. 2 is a block diagram of an embodiment of the present invention.

FIG. 3 is a schematic diagram used to describe an embodiment of the present invention.

FIG. 4 is a perspective view of another embodiment of the present invention.

FIG. 5 is a perspective view of still another embodiment of the present invention.

FIG. 6 is a schematic diagram used to describe an embodiment of the present invention.

FIG. 7 is a schematic diagram used to describe an embodiment of the present invention.

FIG. 8 is a schematic diagram used to describe an embodiment of the present invention.

[Explanation of symbols]

 1 Main unit 2 Bar code reader 10 Bar code 12 Map 21 GPS receiver 22 Map data memory

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location G09B 29/10 G09B 29/10 A

Claims (1)

[Claims] 1. A recording medium of a navigation device, wherein information including latitude and longitude information is recorded in the form of a bar code, and the information read by the bar code reader is read into a navigation device as destination information.