JPH01223490A - Navigation device - Google Patents

Abstract

PURPOSE:To display desired information by a simple operation by constituting the title device so that when a classification or a group is selected from a selecting device, a controller reads out their storage information and displays it. CONSTITUTION:A controller 1 stores information which is inputted from a storage medium 6, in a storage device 5. The storage device 5 stores road information by each separate classification or each separate group. The storage device 5 is classified into a road information memory 50, a building pulse name memory 53 and a gasoline stand name memory 54, and also, the memories 51-54 are classified into the first and the second groups. The storage contents of the storage device 5 are processed in accordance with a navigation algorithm in the controller 1 and displayed on a display 8 through a display circuit 7. The controller 1 selects the display contents in accordance with an operation of a load name selecting switch 91, an address selecting switch 92, a building selecting switch 93, a gasoline stand selecting switch 94 and a group selecting switch 95 of an input device 9.

Description

[Detailed description of the invention] <Industrial application field> The present invention relates to a navigation device.

<Prior art> Among navigation devices, there is a known configuration in which roads are displayed in sections on both sides of a display such as a CRT, the vehicle's position is displayed with a predetermined mark, and characters indicating the name of the road are displayed. ing. Furthermore, in recent years, devices have become known that display the names of target objects such as building names and street addresses in addition to road names, making it easier to confirm the current location of the vehicle.

However, when there are a large number of characters displayed, it becomes difficult to see both sides of the display. Therefore, the displayed character information is usually divided into types or groups, and each character can be read in sequence by operating a changeover switch or the like. A method of sequentially displaying each type and group has been adopted.

<Problems to be Solved by the Invention> However, in the navigation device having the above-mentioned configuration, when there are a large number of categories or groups of displayed characters, the rtu becomes extremely long when sequentially advancing to obtain the desired display, making the operation cumbersome. Another drawback was that it took too much time to obtain the necessary information. Also.

As a result, there is a drawback that the driver becomes distracted by the operation of the navigation device, impairing safe driving.

The present invention aims to improve the above-mentioned conventional drawbacks.

<Summary of the Invention> In order to achieve the above object, the navigation device of the present invention includes a storage device that classifies road information into predetermined types and stores it in predetermined groups.

a selection device that selects a desired classification and group from among the classifications and groups of the road information; a display device that displays a map or the like based on the road information; and a display device that reads out the road information, performs predetermined processing, and displays the road information. and a control device for displaying a map or the like on the device, and the control device is capable of reading out and displaying stored information of the selected category or group when a category or group is selected from the selection device. This is a basic feature.

Function> When a desired classification or group is directly selected by the selection device, the control device responds to this selection by reading information on the selected classification or group from the storage device,
Display the two on the display device. As a result, the selected information is immediately displayed on the display device.

<Example> Embodiments of the present invention will be described below based on the drawings.

In FIG. 1, reference numeral 1 denotes a control table r11 mainly composed of a microcomputer, to which a storage medium 6 is connected. The storage medium 6 is an external storage device such as a CD-ROM, and road information such as a road map is stored here. The control table w11 also has a storage device 5, and is configured to store information input from the storage medium 6 in this storage device 5. The storage device 5 stores road information by classification or group. In this embodiment, it includes a road information memory 50 that mainly stores map information such as road line segments, a road name memory 51 . Address number memory 52゜Building name memory 53. It is classified in the gas station name memory 54. Then, road name memory 51, address address memory 52.
The object name memory 53 and the gas station name memory 54 are stored in a first group and a second group, respectively.

These pieces of information may be stored in the storage medium 6 in advance by category or group, and transferred to the storage device 5 as they are, or when transferred from the storage medium 6 to the storage bag fi5, the control device 1, the storage contents of the storage device 5, which may be distributed by classification group, are stored in the control table FIl.
1, it is processed according to the navigation algorithm and displayed on the display 8 via the display time Jl1%7. At this time, each piece of information from the road information memory 50 to the gas station name memory 54 is finally combined and displayed on both sides of the display 8.

The control device 1 includes a magnetic direction sensor 2. Right wheel rotation sensor 3
．． Information from the left wheel rotation sensor 4 is input, and the control device 1 calculates the position of the own vehicle from this information and displays the position of the own vehicle on the display 8 together with a map. In this embodiment, the magnetic force position sensor 2 uses a device that utilizes the earth's magnetism, but it is also possible to use a device that uses a gyro or a satellite. Also, stone wheel @ rotation sensor 3. /li
In the embodiment with four wheel rotation sensors, a predetermined pulse is generated every time the wheel rotates by a predetermined angle, and the number of pulses is detected, but any other structure can be used.

The control device 1 is further provided with an input device 9.

You can select the classification and group to display. The input device 9 includes a road name selection switch 91 and an address selection switch 92. Building selection switch 93, gas station selection switch 94. It has group selection switches 95, and is configured so that one display content can be selected by operating these switches.

The control device 1 is configured to read out the basic road information stored in the road information memory 50 and display it on the display 8 regardless of the operation of the input @9. Further, in this embodiment, when the input device 9 is not operated, the first group of road names is read out from the road name memory 51 and displayed. The control device 1 constantly checks the operation of the input device 9, reads out other information according to the operation, and displays it on the display 8.

In this embodiment, the group selection switch 95 is configured to alternately switch between the first group and the second group each time it is operated, but as shown in FIG. A switch 97 may be provided separately, and switching between the first and second groups may be performed by operating the first group selection switch 96 or the second group selection switch 97.

Fig. 3 shows an example of the display 8. Fig. 3 (A) shows both sides when the input device 9 is not operated or when the road name selection switch 91 is operated. The vehicle position and the road name of the first group are displayed. FIG. 3(B) is an example in which the group selection switch 95 is operated to display the road names of the second group. Further, FIG. 3(C) is an example in which an address and a street number are displayed by operating the address number selection switch 92.

Next, the operation of the embodiment shown in FIG. 1 in which groups are selected by a single group selection switch No. 9 will be explained based on the fBJ diagram.

When the device starts operating, the control device ll first reads road information from the storage medium 6 and stores it in each road information memory 5,
Information corresponding to gas station name memory 54 is stored from 0 to gas station name memory 54. Then, basic road information is read from the road information memo IJ50, and at the same time the magnetic direction sensor 2. Right wheel rotation sensor, 3. The position of the own army is calculated based on the information from the left wheel rotation sensor 4 and displayed on the display 8 via the display circuit 7.
The map (road line segments) and the own vehicle position are displayed on the screen (step 20), and at this time, the first group of roads/road names are displayed at the same time regardless of whether the input device 9 is operated or not (step 21).
, and the control device i'll operates the address selection switch 9.
2 is on, the building selection switch 93 is on, and the gas station selection switch 94 is on (steps 22, 23, and 24).

If the address number selection switch 92 is on, the address number names of the first group are displayed (step 25).

If the building selection switch 93 is on, display the building names of the first group (step 26), and if the gas station selection switch 94 is on, display the first group of gas station names (step 24). Next, the control table vti checks whether the power has been turned off (step 28).

Check whether the group selection switch 95 is on or off. When the group selection switch 95 is on, the current display mode is checked (steps 30, 31.32), and the second group name of that mode is displayed (step 33.
34, 35, 36), if the group selection switch 95 is off in step 29, check whether the road name selection switch 91 is on or not (step 37); if it is on, return to step 21 and select the road name of the first group. Display. If it is off, the process returns to step 22 and each switch is sequentially checked to see if it is on or off, and the current display is maintained.

After checking whether the power is turned on or off again in step 38, check whether the group selection switch 95 is on or off.In step 39), if the group selection switch 95 is pressed again, the current display will be displayed on the same machine as above. Confirm the mode (steps 44, 45, 46) and return to displaying the first group of that display mode (steps 25, 26).
27).

If the group selection switch 95 is not pressed in step 39, the road name selection switch 91, address selection switch 92. Check the on/off status of the building selection switch 93 and gas station selection switch 94 in sequence (steps 40.41, 42.43), and if each switch is operated, display the name of the second group of that mode (step 33.34.35,36) That is, when the second group is displayed, the second group is displayed even if the mode changes.

If the power is turned off in steps 28 and 38, the operation ends.

Next, the operation of the embodiment shown in FIG. 2 having separate first group selection switch 96 and second group selection switch 97 will be explained based on FIG.

When the device starts plowing $1, the control device 1 first reads road information from the storage medium 6 and stores it in each road information memory 50.
The corresponding information is stored in the gas station name memory 54. Basic road information is retrieved from the road information memory 50, and at the same time the magnetic direction sensor 2. Right wheel H rotation sensor 3. The vehicle position is calculated based on the information from the left wheel rotation sensor 4, and a map is displayed on the display 8 via the display circuit 7.
road line segment) and the own vehicle position (step 60)
At this time, regardless of whether the input device 9 is operated or not, the first group of road names is displayed at the same time (step 61).Next, the control device 1 switches the address selection switch 92, the building selection switch 93, . Check the operation of the gas station selection switch 94 (Steps 62, 63, 64), and check whether the first group is distorted while being displayed (Steps 65, 66, 67).
), if the first group is being displayed, the name of each first group is displayed (steps 68, 69 and 70).
, if the first group is not being displayed, display the name of each second group (steps 81.82.83)
.

Next, the state of the power supply is checked (step 71), and then it is checked whether the first group selection switch 96 is turned on (step 72), and if it is, the current display mode is checked (step ?). 3.74.75),
The name of each first group is displayed (step 6B, 69°70).

When the first group selection switch 96 is off, check whether the second group selection switch 97 is on or off (step 76); if the second group selection switch 97 is on, check the current display mode (step 76). Step 77
．． 78, 79), the names of the respective second groups are displayed (steps 80, 81, 82, . . . 83), and the process returns to step 62 to repeat the same operation.

When the second group selection switch 97 is off in step 76, it is checked whether the road name selection switch 91 is on or off (step 84), and if it is on, the group display status is checked and the second group is displayed. If so, display the road names of the second group (step 80); if the first group is being displayed, display the road names of the first group (step 61); after step 80, step 62
Go back and repeat the same action.

If the road name selection switch 91 is off in step 84, the on/off states of the other address selection switches 92, building selection switches 93, and gas station selection switches 94 are checked (steps 62, 63, 64), and the above operations are performed. repeat.

If fl[ is off in step 71, the operation ends.

As is clear from the above description, the navigation device configured as described above can easily display desired information by simply operating a switch for selecting a classification (mode) and a switch for selecting and specifying a group. In addition, in the initial state when the input device 9 is not operated, the road names of the first group are automatically displayed, so the most frequently used information can be automatically displayed without the input device 9 being operated. I can do it.

<Effects of the Invention> As explained above, the navigation device of the present invention includes a storage device that classifies road information into predetermined types and stores it in predetermined groups, and a storage device that classifies road information and stores it in a predetermined group. A selection device that selects a classification and group, a display device that displays a map etc. based on the road information, and a control device that reads out the road information, performs predetermined processing, and displays the map etc. on the display device. 1 when the control device selects a classification or group from the selection device.
Since the memory information of the selected portion a or group is read out and displayed, desired information can be displayed with a simple operation.

[Brief explanation of the drawing]

Fig. 1 is a block diagram showing one embodiment of the present invention, Fig. 2 is a block diagram showing another embodiment, Fig. 3 is a front view showing an example of both display sides, and Figs. 4 and 5. FIG. 2 is a flowchart diagram illustrating the operation. 1: Control device, 2: Magnetic direction sensor, 3: Right wheel rotation sensor, 4: Left wheel rotation sensor, 5: Storage device, 6: Storage medium, 7: Display circuit, 8: Display, 9: Human power generator,
50: Road information memory, 51: Road name memory, 52: Address number memory, 53: Building base memory, 54: Gas station name memory, 91; Road name selection switch, 92:
Address number selection switch, 93: Building selection switch, 94
: Gas station selection switch, 95 Nigel Ip selection switch, 96: 1st group selection switch, 97: 2nd group selection switch. Patent Applicant Clarion Co., Ltd. Agent Patent Attorney Kiyoshi Takahashi and 1 other Figure 1 Figure 2 Procedural Amendments Device 3. Relationship with the case of the person making the amendment Patent applicant name Clarion Co., Ltd. 4, agent May 11, 1988 (Shipping address: 57731, 1988) 6. Subject of amendment: Drawing 7, Amendment Content

Claims (1)

[Scope of Claims] A storage device that classifies road information into predetermined types and stores it in predetermined groups; a selection device that selects a desired classification and group from among the classifications and groups of the road information; a display device that displays a map or the like based on the road information; and a control device that reads out the road information, performs predetermined processing, and displays the map or the like on the display device; the control device is the selection device. 1. A navigation device characterized in that, when a classification or group is selected from the list, stored information of the selected classification or group is read out and displayed.