JP2000066584A - Navigation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to display facility information in the state easy to grasp the corresponding relationship between the facility information and maps and to offer conveniences to drivers. SOLUTION: The navigation device for guiding a driver to a destination by displaying map information on a display device 29 displays a selection menu for selecting a specific facility from plural facilities on the display device 29, displays the map indicating the position of the facility selected by the selection menu and further, displays the facility information on the facility selected by the selection menu on the display device 29. At this time, the facility information to be displayed on the display device 29 is formed as the facility information on the facility existing within the range of the display device 29 excluding the facility information on the facility existing off the range of the map of the display device 29.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device for outputting and displaying information related to facilities on a display device accompanying a map.

[0002]

2. Description of the Related Art Map information is recorded on a recent CD-ROM or the like, the map information is read, and a map corresponding to the read map information is displayed on a display device together with the current position of the vehicle. Navigation devices for guiding to a destination have been researched and developed.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to provide a navigation device which can display facility information in a state where the correspondence between the facility information and a map can be easily grasped, thereby contributing to the convenience of the driver. To provide.

[0004]

In order to solve the above-mentioned problems, the present invention selects a specific facility from a plurality of facilities in a navigation device that displays map information on a display screen and guides the user to a destination. Menu display means for displaying a selection menu for display on the display screen, map display means for displaying a map showing the position of the facility selected by the selection menu on the display screen, and facility information relating to the facility selected by the selection menu Information display means for displaying on the screen,
The facility information displayed on the display screen by the information display means is configured to be facility information regarding facilities located within the range of the display screen excluding facility information regarding facilities located outside the range of the map on the display screen. .

In addition to this configuration, in a state where a map indicating the position of the facility selected by the selection menu is displayed, or when facility information on the facility selected by the selection menu is displayed, the selection menu is displayed. The display is configured to be erased from the display screen.

According to the operation of the present invention, the menu display means displays a selection menu for selecting a specific facility from a plurality of facilities on the display screen.

[0007] The map display means displays a map indicating the location of the facility selected on the selection menu on a map screen.

[0008] On the other hand, the information display means displays on the display screen facility information relating to the facility selected in the selection menu.

At this time, the facility information displayed on the display screen by the information display means is the same as the facility information on the facilities located within the display screen except for the facility information on the facilities located outside the map on the display screen. Is done.

Therefore, it is easy to grasp the correspondence between the facility information and the displayed map, which can contribute to the convenience of the driver.

[0011]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

In FIG. 1, reference numeral 1 denotes a CD-ROM (including its drive device) as a recording medium or a storage medium, on which digitized map information is recorded. Data from the CD-ROM 1 is stored in a memory (RAM) 5 via an interface 2, an address bus 3, a data bus 4, and the like. Reference numeral 6 denotes an information processor (CPU) that performs various image data processing and controls peripheral devices in response to commands input via the keyboard 12 and its interface 13. Reference numeral 7 denotes an azimuth sensor for detecting the azimuth of the vehicle from geomagnetism or the like, and reference numeral 8 denotes a speed sensor for detecting the speed of the vehicle. 9 is GPS (Global Pos
itioning System) device that detects the current position of the vehicle from latitude, longitude information and the like. Reference numeral 10 denotes a navigation processor (CPU), which includes a direction sensor 7 and a speed sensor 8.
For example, when the GPS device 9 cannot detect the latitude and longitude information, the current position is calculated from the input data. Alternatively, the current location entered and set
The correction processing is performed according to the information from the S device 9. The processor 10 and the processor 6 can mutually transmit and receive data. Reference numeral 11 denotes a ROM for storing programs of the processors 6 and 10 and other necessary information, and reference numeral 14 denotes a control logic for supplying necessary timing signals to respective circuits, means, devices, and the like.

A graphic display controller (GDC) 15 reads necessary data from the memory 5 and draws predetermined images on the memories (VRAM) 16 and 17. Reference numeral 18 denotes a parallel / serial (P / S) conversion circuit that selects data from one of the memories 16 and 17 and converts the data from a parallel signal to a serial signal. Reference numeral 19 denotes a color palette register as a color conversion circuit.
The 3-bit color signal in the video signal supplied from the / S conversion circuit 18 is converted into a 5-bit color signal specified in advance. The video signal converted from the color signal is stored in a memory (VRAM).
20 and from the memory 20 to the memory (VRAM) 21
And the video signal stored in the memory 21 is converted from a digital signal to an analog signal by the D / A conversion circuits 26, 27 and 28 of the three primary colors of red (R), green (G) and blue (B). Then, it is displayed on a display device 29 such as a CRT. Although not shown, a touch sensor composed of a transparent electrode or the like is provided on the front surface of the screen of the display device 29.

Reference numeral 24 denotes a synchronizing signal generating circuit which generates a horizontal synchronizing signal (HSYNC), a vertical synchronizing signal (VSYNC), and a dot clock (DCK) which are synchronized with each other. Are output to the address counters 23, 25, etc., which set the same.
An offset register 22 sets an offset position of a portion to be transferred to the memory 20 in the images stored in the memories 16 and 17. Reference numerals 30 to 37 denote buffers inserted at predetermined positions.

FIG. 2 shows the structure of the keyboard 12. As shown in FIG. As shown in FIG.
9 are arranged on the outer periphery. Reference numeral 51 denotes a navigation operated when executing a navigation operation (NAVI)
A key 53 is a help (!) Key which is operated when outputting an operation explanation image to the display device 29. Reference numeral 53 denotes a GUIDE key which is operated when symbols such as a parking lot, a hotel, and a gas station are displayed on a map. A destination (DEST) key 54 is operated to set a destination. A set (SET) key 55 is operated when registering an item designated by the cursor displayed on the display device 29 or a position on the map. Reference numeral 56 denotes a cancel (CANCEL) key, and when operated on a limited predetermined screen, the screen returns to the previous screen. 57 is a reduction key and 58 is an enlargement key, which are operated when reducing or enlarging the map displayed on the display device 29, respectively. Reference numeral 59 denotes a scroll key, and keys 59a to 59d are operated to move the cursor up, down, left and right, respectively. Reference numeral 60 denotes a text (TEXT) key which is operated to display information relating to the running of the vehicle. The program when each of the above keys is operated is managed by the processor 6.

On the other hand, a CD key 61 operated when operating a compact disc player, a TV key 62 operated when receiving a television broadcast, AM or F
AM, FM key 63 operated when receiving M broadcast,
Sound select (SOUND) operated when selecting the equalization characteristic of the reproduced sound from predetermined characteristics
(SEL) key 64, a muting key 65 for instantly muting the reproduced sound, a volume 66 for adjusting the magnitude of the reproduced sound, and an air conditioning (A / C) key 67 operated when operating the air conditioner. A predetermined operation is executed by a CPU (not shown).

Next, the operation will be described.

First, the basic operation when the navigation key 51 is operated will be described.

The processor 10 calculates and detects the current position of the vehicle from information of the direction sensor 7, the speed sensor 8, the GPS device 9, and the like. In response to this information, the processor 6
Reading out a map including the current location from the ROM 1 and storing it in the memory 5; The CD-ROM 1 stores maps of a plurality of scales, and the memory 5 stores the maps of each scale including the current location. The processor 6 controls the controller 15 to cause the memory 16 or 17 to write data of a predetermined scale out of the map stored in the memory 5. Memory 16,
Reference numeral 17 denotes one of the front side (the side where data is transferred to the memory 20) and the other side (the side where data is not transferred to the memory 20 and new data is written by the controller 15). The front side and the back side are alternately switched, and writing by the controller 15 is always performed in the memory 2.
0 is performed on the back side that does not send data.

The processor 6 further controls the controller 15 to draw a vehicle mark on the front side of the memories 16 and 17 in accordance with the current position signal from the processor 10.

The memories 16 and 17 are controlled by the controller 15.
In the map drawn in the above, data within a predetermined range centered on the own vehicle mark is converted from parallel data to serial data by a parallel / serial conversion circuit 18, and the color signal is further converted to a high gradation by a color palette register 19. And transferred to the memory 20. Which part of the map drawn on the memories 16 and 17 is transferred is specified by the processor 6 via the offset register 22 and the address counter 23.

The processor 6 is also capable of directly drawing a picture of an intersection or the like recorded on the CD-ROM 1 as an image in the memory 20. The image written in the memory 20 in this way is further transferred to the memory 21, and finally the image stored in the memory 21 is output and displayed on the display device 29 via the D / A conversion circuits 26, 27, 28. .

Next, the operation when the guide key 53 is operated will be described.

When the guide key 53 is operated, the processor 6 superimposes it on the map, for example, as shown in FIG.
The guide menu is displayed at a predetermined position of the display device 29 (near the upper and lower sides in the figure). Now CD-ROM1
In addition, as map information, not only line segment data indicating roads, railways, coastlines, etc., but also symbol data indicating symbols of facilities such as hotels, gas stations, car dealers, and parking lots are recorded. Then, these symbols are displayed at predetermined positions together with the meaning of the characters as necessary.

A touch sensor is arranged on the front of the display device 29, and when a display position of each facility is touched with a finger or the like, it is detected. Therefore, it is determined whether the hotel, the parking lot, the gas station, or the dealer is selected. When any one of the facilities is selected, the guide menu is deleted, and the symbol of the selected facility is superimposed on the map. Displayed at that location. For example, when a hotel is selected, as shown in FIG. 5, a hotel symbol is displayed corresponding to the location on the map. This symbol is the same as the symbol displayed when the guide menu was displayed.
Therefore, the operator can almost intuitively select a desired facility only by looking at the symbols without looking at the characters in the guide menu display. At this time, facilities that are not selected are not displayed, so that it is extremely easy to search for a symbol. Conversely, when the guide key 53 is not operated, only the normal map without these symbols is displayed, so that the map is not difficult to see.

Symbols representing facilities of the same kind are provided with relatively simple numbers (numbers), characters, symbols, and the like, which can be distinguished from each other and are continuously related.

That is, for example, a symbol of each hotel is associated with a number such as 1, 2, 3, etc., a letter such as A, B, C or the like, and an additional mark which is another symbol. When displayed, additional marks such as this number are also displayed. Since the symbol is displayed at the location of the corresponding facility, the symbol and the number of the facility located outside the map centered on the current position displayed on the screen of the display device 29 are displayed within the range of the screen. Not displayed until becomes. In the embodiment of FIG. 5, the hotel with the number 2 is not displayed because it is located outside the currently displayed map. These numbers correspond to each hotel, and different hotels are not given the same number at least within a predetermined area. Therefore, the user can specify a desired hotel by this number. Needless to say, the same applies to other symbols.

When a character or the like is added to a symbol, for example, it is possible to name it as the name of the facility.

As shown in FIG. 5, when the selected symbol is superimposed on the map and displayed, a predetermined position (near the lower right side in the embodiment) of the display device 29 is displayed by the selected symbol. An operation switch for displaying more detailed information of the indicated facility is displayed (in the embodiment, characters of a list are displayed). When a portion of the list on which characters are displayed is touched with a finger or the like, the touch sensor detects the touch, and the map is deleted from the screen of the display device 29 as shown in FIG. More detailed information about the hotel displayed above is displayed in a list. The more detailed information is, for example, a hotel name, a telephone number, an address, characteristics, and the like. Therefore, the operator specifies the desired hotel by its number in the display state shown in FIG. 5, switches to the display shown in FIG. 6, and looks at the information with the corresponding number, thereby displaying the information of the facility. You can know more detailed information. At this time, the information of the facility that is not displayed on the map is not displayed, so that the information of the desired facility is more easily seen. Also, by using something that has a continuous relationship like a number,
It is easier to find a desired facility from the list.

FIG. 3 shows a flowchart for executing the above operation by the processor 6, for example. First, in a state where the map is displayed on the screen, the process waits until a symbol display is instructed. When the display of the symbol is instructed, the position data (coordinates) of the symbol is read, and it is determined whether or not the position is within the range of the display screen (map). When the symbol is located within the range of the map being displayed, the symbol is superimposed and displayed on the map. Further, the symbol number is written in a predetermined stack of the memory 5. Symbols located outside the displayed map are not displayed and their numbers are not written to the stack. After such a step is performed for all facilities (symbols), the system waits until a list display instruction is issued. When the list display instruction is input, the number of the symbol stored in the stack in advance is read, and The data corresponding to the number is displayed.

FIG. 7 shows the symbol data of such a facility as C
2 shows an example of the configuration of position data when recording on the D-ROM 1.

That is, a number in the same kind of symbol as a header, a hotel, a dealer, a gas station,
An attribute for distinguishing between symbols such as a parking lot is arranged, and then coordinates (x, y) of a position where the symbol is displayed.
Is arranged.

FIG. 8 shows a configuration example of a data block of more detailed information of each facility. That is, following the number of each symbol, data such as the name of the facility, telephone number, address, and characteristics are arranged.

FIG. 9 shows an example of the configuration of a stack.
That is, the number of symbols being displayed in a superimposed manner on the map is arranged first, followed by the symbol number. For example, in the case of the embodiment shown in FIG. 5, the number of displayed symbols is three, and the symbol numbers are 1, 3,
4, the data in the stack is as shown in FIG.

[0035]

As described above, according to the present invention,
Since the facility information about facilities located within the display screen excluding the facility information about facilities located outside the map displayed on the display screen is displayed, the correspondence between the facility information and the displayed map is displayed. Can be easily grasped, which can contribute to the convenience of the driver.

Further, in the state where the map indicating the location of the facility is displayed or the facility information is displayed, the display of the selection menu is deleted from the display screen, so that the map or the facility information can be more easily viewed.

[Brief description of the drawings]

FIG. 1 is a block diagram of a navigation device according to the present invention.

FIG. 2 is a plan view of a display device and a keyboard in the navigation device of the present invention.

FIG. 3 is a flowchart showing the operation of the navigation device of the present invention.

FIG. 4 is a plan view (I) of a display screen in the navigation device of the present invention.

FIG. 5 is a plan view (II) of a display screen in the navigation device of the present invention.

FIG. 6 is a plan view (III) of a display screen in the navigation device of the present invention.

FIG. 7 is an explanatory diagram (I) of a data configuration in the navigation device of the present invention.

FIG. 8 is an explanatory diagram (II) of a data configuration in the navigation device of the present invention.

FIG. 9 is an explanatory diagram (III) of a data configuration in the navigation device of the present invention.

FIG. 10 is an explanatory diagram (IV) of a data configuration in the navigation device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... CD-ROM 2, 13 ... Interface 5, 16, 17, 20, 21 ... Memory 6 ... Information processor 7 ... Direction sensor 8 ... Speed sensor 9 ... GPS device 10 ... Navigation processor 11 ... ROM 12 ... Keyboard 15 ... Graphic Display controller 18 Parallel / serial conversion circuit 19 Color pallet register 22 Offset register 23 25 Address counter 24 Synchronization signal generation circuit 26 27 27 D / A conversion circuit 29 Display device

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G09B 29/00 G09G 5/36 510B // G01C 21/00 G06F 15/40 370C G09G 5/36 510 15 / 62 335 (72) Inventor Takanori Saito 4-2610 Hanazono, Tokorozawa-shi, Saitama Prefecture Pioneer Corporation Tokorozawa Plant (72) Inventor Masaki Kakihara 3-1, Fuchu-cho Shinchi, Aki-gun, Hiroshima Prefecture Mazda Corporation (72) Inventor Masata Futami 3-1, Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Co., Ltd.

Claims (2)

[Claims] 1. A navigation device for displaying map information on a display screen and guiding to a destination, wherein a menu display means for displaying a selection menu for selecting a specific facility from a plurality of facilities on the display screen; Information display means, comprising: a map display means for displaying, on a display screen, a map indicating the position of the facility selected by the selection menu; and an information display means for displaying, on the display screen, facility information relating to the facility selected by the selection menu. Wherein the facility information displayed on the display screen is facility information on facilities located within the range of the display screen excluding facility information on facilities located outside the range of the map on the display screen. 2. The navigation device according to claim 1, wherein a state of displaying a map indicating a position of the facility selected by the selection menu or a state of displaying facility information relating to the facility selected by the selection menu are displayed. And a display of the selection menu is deleted from the display screen.