JP2840011B2 - Navigation device - Google Patents

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 providing route guidance to a destination through a preset route, and more particularly to a function of displaying a map around a point by inputting a telephone number from a local area code. The present invention relates to a navigation device provided.

[0002]

2. Description of the Related Art A navigation device provides route guidance so that a user can visit a destination for the first time with peace of mind. In recent years, performance and functions such as navigation accuracy, operability, and visibility have been improved. For this purpose, technology development is being actively carried out, and various types are proposed. This navigation device includes a place name search screen and a destination setting screen used when setting a route, a route guidance screen which is automatically opened at the time of guidance, or opened in response to a driver's request. These screens provide information such as remaining distance, name, left / right turn, and registered location information for intersections that should be turned so that the route can be traveled without fail. There are those that provide teaching and the like, and those that provide guidance by voice as well as display.

In such a navigation device,
To set a route, you need to enter your departure location or current location and destination.
When the current location and the destination are determined, a route search process is performed from the departure location or the vicinity of the current location and the destination and road information data between them, and an optimal route is set from a plurality of routes. Also, when you want to know the details of a point on the route, such as when setting a route or during route guidance, you can scroll through the wide area map and select a detailed map for the map around the point.Select a registered place name with the place name index Display, a method of selecting by address name, a method of selecting a district in a national map, and the like.

In the method of inputting a telephone number, a map is displayed by selecting a telephone number input from a destination setting screen and inputting a number including an area code on an opened telephone number input screen. . A navigation device having this type of peripheral view display function is disclosed in, for example, Japanese Patent Laid-Open No. 1-1953.
No. 14, JP-A-2-187898, JP-A-5-196
No. 84 and the like.

[0005]

When a map is to be displayed using a telephone number, the telephone number must be entered from the area code even if the area code is the same as the current area code. . Therefore, when using a telephone number, a 9- to 10-digit number must be entered. Also, there is a problem that this function cannot be used when only the area code is unknown. SUMMARY OF THE INVENTION An object of the present invention is to provide a navigation device capable of displaying a map by inputting a number from an area code or a city code.

[0006]

In order to achieve the above object, an invention according to claim 1 is a navigation device having a function of displaying a map around a point searched by inputting a telephone number. A current position detecting means for detecting the current position, a storage means for storing map data and telephone number data, and an area corresponding to the current position of the vehicle detected by the current position detecting means based on the storage means. Area code detection means for detecting the area code, area code display means for displaying the area code detected by the area code detection means before the telephone number is input, and the area code or the area code from the area code Telephone number input means for inputting a telephone number, telephone number judgment means for judging whether or not the inputted telephone number has an area code, and when the telephone number judgment means judges that there is no area code, Area code display Area code addition means for adding the area code displayed by the column to the telephone number input from the telephone number input means, and telephone number with the area code or the area code addition means by the input. A peripheral area map processing means for searching for information on the peripheral area map by inputting any one of the telephone numbers, and a peripheral map display means for displaying a peripheral map of the point processed by the peripheral area map processing means. Configuration.

According to a second aspect of the present invention, there is provided a navigation device having a point search function, wherein a storage means for storing map data and telephone number data, and a position input means for inputting a predetermined position. , Based on the storage means,
A configuration comprising an area code search means for searching for an area code corresponding to a predetermined position input by the position input means, and an area code display means for displaying the area code searched by the area code search means. It is in. A third aspect of the present invention is the invention according to the second aspect, wherein the area code searching means searches for an area code corresponding to the current location. Further, the invention of claim 4 according to the invention of claim 2 or 3, further comprising an area code display operation means for instructing the display of the area code, wherein the area code display means is operated by the area code display operation means. The area code is displayed when the area code is displayed.

[0008]

According to the first aspect of the present invention, the area code detecting means detects the area code based on the current location information and displays it on the telephone number display means. The telephone number determining means determines whether the telephone number input by the telephone number input means has an area code. When there is no area code, that is, when the area code is inputted from the area code, the area code addition means is detected by the area code detection means, and the area code displayed on the telephone number display means is input to the telephone number. Append to the telephone number entered from the means. The point peripheral map processing means performs a map search based on the telephone number input from the area code or the telephone number to which the area code is added, and displays the map on the map display means. According to the configuration of the present invention, a map can be displayed by inputting a number from a local station number, so that the number of digits to be input is reduced, and a use range of a function of displaying a map from a telephone number is expanded.

In particular, when it is known that the area code of the input telephone number is the same as the area code of the present location,
Since it is sufficient to input from the local area code, the number of input operations is reduced. In addition, since the area code of the current location is displayed, the area code of the current location is known at the time of input. Also, if the current location is near the boundary of the area code block, the area code different from the area code to be entered may be added, so the area code obtained from the current location information is displayed in advance. , It will be clearer and easier to enter from area code. According to the invention of claim 2, when the predetermined position is input by the position input means, the area code search means searches for the area code corresponding to the predetermined position and displays it on the area code display means. . According to the configuration of the present invention, the operator can display the current area of the vehicle, the destination, or the area code of the place designated by the cursor or the like. When using the local area code of the location, by confirming the displayed area code, clear and correct input can be easily performed. If the area code is displayed when the area code display operation means is operated, the operator can display the area code only at a desired time. Can provide an easy-to-see display screen.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a hardware configuration for realizing a local area code input map display function in a region where the area code is the same in the navigation apparatus of the present invention. FIG. 2 shows a system configuration of a navigation apparatus having a function of automatically searching for an area code from a current location and then inputting a city code and displaying a map.

The navigation device includes an input unit 1 for inputting and outputting information relating to route guidance, a current position detection device 2 for detecting information relating to the current position of the vehicle, navigation data required for calculating a route, and guidance information required for guidance. An external storage device 3 in which display guidance data and the like are stored; a central processing unit 4 which executes route guidance processing and display guidance processing necessary for route guidance and controls the entire system
It is composed of

The input / output unit 1 instructs the central processing unit 4 to perform a navigation process according to the user's intention so that the destination can be input and the guide information can be displayed by voice and / or on a screen when necessary. In addition, it has a function of printing out processed data, communication data, and the like, outputting sound from a speaker, and displaying and outputting it on a display. As an input means for realizing the function, a touch switch 11 for inputting a destination by an address, a telephone number, coordinates, or requesting route guidance is configured by a touch panel 11 in which a display 12 is incorporated. I have. The output means is a display 1 for displaying input data on a screen or displaying driver's request or route guidance automatically on a screen.
2. Data processed by the central processing unit 4 or an external storage device 3.
And a speaker 14 for outputting route guidance by voice.

Here, it is possible to add a voice recognition device for enabling voice input and a recording card reader for reading data recorded on an IC card or a magnetic card. In addition, data necessary for navigation is stored and communicated with an information center such as an information center provided through a communication line at the request of the user or an electronic notebook in which user-specific data such as map data and destination data are stored in advance. A data communication device for exchanging data between devices can be added.

The display 12 constitutes display means by a color CRT or a color liquid crystal display, and has a destination setting screen based on map data and guidance data processed by the central processing unit 4, a route guidance screen, a section map screen, and the like. All screens necessary for navigation, such as the intersection map screen and the search point map screen, are displayed in color, and button switches for setting route guidance, guidance during route guidance, and switching screens are displayed on this screen. Is done. The route guidance screen contains at least all route maps, route information,
It has a screen that displays a surrounding map. The display 12 has a touch panel 1 corresponding to the display of the function buttons.
1 is provided, and the above-described operation is performed based on a signal input by touching a button. The buttons and the touch panel 11 constitute an input unit, but a detailed description thereof is omitted here.

The current position detecting device 2 includes a GPS receiving device 21 and a beacon receiving device 22 using a satellite navigation system (GPS), for example, a data transmitting and receiving device 2 for receiving a GPS correction signal using a cellular phone or an FM multiplex signal.
3, a steering angle sensor 24 composed of, for example, a wheel sensor and a steering sensor, an azimuth sensor 25 composed of, for example, a geomagnetic sensor, and a distance sensor 26 for detecting a traveling distance from the number of rotations of the wheel.

The external storage device 3 stores all data necessary for route guidance such as maps, intersections, nodes, roads, photographs, destinations, guide points, detailed destinations, telephone numbers, junctions, display guidance, voice guidance, and the like. Is recorded in the database. In particular, a telephone number data file associated with a map data file is stored as point vicinity map information searched by inputting a local station number necessary for carrying out the present invention.

The central processing unit 4 executes C for executing arithmetic processing.
PU40, a program for performing processing such as route search, a display control required for route guidance, a program for performing voice output control required for voice guidance, and a first ROM 41 storing data required for the program, a searched route RAM for temporarily storing guidance information and data being processed
42, a second ROM 43 storing display information data necessary for route guidance and map display, an image memory 44 storing image data used for screen display on a display,
An image processor 45 that extracts image data from an image memory based on a display control signal from the CPU, performs image processing and outputs the image data to a display, a voice read from the external storage device 3 based on a voice output control signal from the CPU,
A speech processor 46 for synthesizing a phrase, a single sentence, a sound, etc., converting it into an analog signal and outputting it to a speaker, a communication interface 47 for exchanging input / output data by communication, and a sensor signal of a current position detection unit It comprises an input interface 48 for taking in data, and a clock 49 for writing date and time in the internal diag information.

This system is configured so that the driver can select either route display or voice output for route guidance. Further, the present system calculates an estimated position based on various sensor signals from the current position detection device and GPS data, and determines a position on the road by correlating the estimated position with the road on the map and the GPS data. Find the current position. Further, the present system has a function of illuminating the current position with a route to a destination and determining whether or not the vehicle is approaching a predetermined guide point with respect to the position on the lane of the vehicle. That is, the above function determines the predetermined distance before the intersection on the guidance route, the automatic audio output after the intersection is determined, and the timing of the intersection information display output such as the name of the passing intersection. A guidance command is issued to the image processor and the audio processor based on the result of the determination. Further, when the request signal is input, it instructs the voice processor to provide voice guidance of the current location.

Next, the display processing of the location surrounding map will be described. FIG. 3 shows a procedure of a display process of a map around the present location by inputting a local station number applied by the navigation system according to the embodiment of the present invention. In this example, based on the map data, the area is divided into blocks for each area code, and a block including the current position is searched from the east longitude and north latitude of the current position acquired from the current position information, and the corresponding area code is obtained. To display a map around a location such as around the current location from a phone number, set the destination setting screen 5
When "telephone number" is selected, map data and telephone number data are fetched from the external storage device based on the current position information of the vehicle sent from the current position detection device, and the area code of the current position is detected. When the area code of the current location is determined from the detection result, the telephone number input screen 7 with the area code is opened. On the other hand, if the area code is not determined, a telephone number input screen 6 without an area code display is opened. In this example, a series of operations and processing of “selecting a telephone number”, detecting an area code, and displaying an area code is one embodiment for realizing a function of displaying an area code. The function of selecting "telephone number" constitutes an area code display operation means for instructing display of the area code, and a function of displaying the area code on the telephone number input screen 7 based on the detection result of the area code. Constitutes an area code display means.

If the area code cannot be determined, a telephone number input screen 6 without an area code display is opened, and a telephone number from the area code is input on this screen. When the area code is determined, the telephone number is input on the telephone number input screen shown in FIGS. When inputting from the local area code, the area code around the current location is displayed with a touch switch,
When the area code to be input is the same, the area code is input with one touch. That is, the telephone number input screen 7 with the area code display displays the area code searched as shown in FIG. 4, and touches this display area to input the area code. A section 71, a telephone number display section 72 for displaying a message instructing input from an area code and a telephone number input at a cursor position, a numeric keypad 73 for inputting a telephone number, a clear for canceling the input telephone number. A button 74 and a return button 75 for returning to the destination setting screen are provided. If the area code displayed on this screen is correct, by touching the display area of the area code display input section 71, the area code 76 is displayed on the telephone number display section 72, and the input position of the subsequent city code The cursor moves to. In this example, the area code "0566" is displayed. After touching this display portion, the telephone number is displayed on the telephone number display section 72.

After the telephone number is input, if the input number is a number in the destination data, the destination name is displayed, and a map around the destination is displayed. If the inputted number is not in the destination data, a map around the representative point of the inputted area code is displayed. FIG. 5 shows a telephone number input screen input from an area code. In the present embodiment, the searched area code is confirmed on the display, and then input from the area code. Since the telephone number input screen has basically the same configuration as the screen shown in FIG. 4, the same reference numerals are given to components having the same functions,
The description is omitted as appropriate.

The telephone number input screen 8 is provided with an area code display 81 for displaying the area code of the searched current location. The area code displayed on the area code display 81 is confirmed. After that, when the area code is input using the numeric keypad, the telephone number from the area code is displayed on the telephone number display section 82. FIG. 6 shows a telephone number input screen for inputting from a local station number. In the present embodiment, the retrieved area code is confirmed on the display, and then input from the local area code. Since the telephone number input screen has basically the same configuration as the screen shown in FIG. 4, components having the same functions are denoted by the same reference numerals, and description thereof will be omitted as appropriate. The telephone number input screen 9 is provided with an area code display section 91 for displaying the area code of the searched current location. After confirming the area code displayed on the area code display section 91,
When a local area code following the area code is input using the numeric keypad, a telephone number from the area code is displayed on the telephone number display section 92.

Next, the display processing of the present location area map according to the present invention will be described with reference to a specific example. FIG. 7 shows an atlas showing an area with an area code of “0566” (Kariya city, Chiryu city, Anjo city).
FIG. 8 shows a flow of processing for displaying a map around the current location. First, when a telephone number input is selected from the destination setting screen, a telephone number input screen is opened, and a telephone number is input in accordance with a message displayed on the screen (S100). It is determined whether or not the input is an input (S101). If the input is from an area code, a map search is performed by telephone number. On the other hand, if the input is from the local area code, the area code is searched from the current location (S102). The input telephone number is added to the searched area code (S103), and a map search is performed based on the telephone number (S104). Then, a process of drawing a map around the search point is performed and displayed on the display (S10).
5). For example, if the current location is Anjo City, the telephone number “76”
When "1111" is input, the local area code "0566" of Anjo is added after the search of the area code, the telephone number "0566761111" of the search point is determined, and the map search is performed based on this telephone number. If the number is registered, a peripheral view of the point is displayed.

[Brief description of the drawings]

FIG. 1 is a diagram showing a hardware configuration for realizing a location surroundings map display function by inputting a telephone number in a navigation device according to the present invention.

FIG. 2 is a diagram showing an example of a system configuration of a navigation device according to the present invention.

FIG. 3 is a diagram showing a procedure of display processing of a current location peripheral map by inputting a local station number;

FIG. 4 is a diagram showing an example of a layout of a telephone number input screen and a screen transition during screen operation.

FIG. 5 is a diagram showing an example of a layout of a telephone number input screen for inputting from an area code while looking at a displayed area code;

FIG. 6 is a diagram showing an example of a layout of a telephone number input screen for inputting from a local area code when a displayed area code is correct.

FIG. 7 is a diagram showing an atlas showing a specific example of an area code;

FIG. 8 is a flowchart illustrating a flow of a map display process around a current location.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Input / output part, 2 ... Current position detection device, 3 ... External storage device, 4 ... Central processing unit, 5 ... Destination setting screen, 6, 9 ...
Phone number input screen from area code, 7, 8… Phone number input screen from local area code

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-19684 (JP, A) JP-A-3-231524 (JP, A) JP-A-3-163940 (JP, A) JP-A-2- 288646 (JP, A) JP-A-2-252346 (JP, A) JP-A-5-313580 (JP, A) JP-A-5-9062 (JP, U) (58) Fields investigated (Int. Cl. ^6, DB name) G08G 1/0969 G01C 21/00

Claims (4)

(57) [Claims] 1. A navigation device having a function of displaying a map around a point searched by inputting a telephone number, wherein a current position detecting means for detecting a current position of the vehicle, map data and telephone number data are stored. Storage means, based on the storage means, an area code detection means for detecting an area code corresponding to the current position of the vehicle detected by the current position detection means, and the area code detection means detected Area code , phone number
Area code display means to be displayed before is input, telephone number input means to input a telephone number from the area code or local area code, and whether or not the input telephone number has an area code Telephone number determining means for determining, when the telephone number determining means determines that there is no area code, the telephone number input from the telephone number input means, the area code displayed by the area code display means Searching the information on the map around the point by inputting either the area code adding means to be added to the number and the telephone number with the area code by inputting or the telephone number added by the area code adding means A navigation device comprising: a point peripheral map processing means; and a peripheral map display means for displaying a peripheral map of a point processed by the point peripheral map processing means. 2. A navigation device having a point search function.
In place A memory that stores map data and telephone number data
Steps and Position input means for inputting a predetermined position; Based on the storage means, input by the position input means
Area code search to search for the area code corresponding to the specified location
Cable means, A city displaying the area code searched by the area code search means.
Area code display means, Navigation device comprising: 3. The area code search means according to the present location.
3. A method according to claim 2, wherein the area code is searched.
Navigation device. 4. Area code display for instructing display of area code
Operating means, area code display means area code display operation
The area code is displayed when the means is operated
The navigation device according to claim 2 or 3, wherein