JPH09318378A - Navigator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To set a point corresponding to a telephone number for displaying a road map by, among the telephone number wherein input telephone number is identical with station number and different from subscriber number, selecting a telephone number of least difference from an input telephone number. SOLUTION: When a power source is turned on, control unit 10 firstly displays a map menu on a display 30. When a destination setting switch at an operation part 20 is operated, a display for selecting a destination setting method is displayed on the display 30. When a telephone number touch switch of the operation part 20 is operated, it is displayed on the display 30. When a map display touch switch on the operation part 20 is operated, it is judged whether an inputted telephone number is recorded on a CD-ROM 40. If the input telephone number has been recorded, a road map with the point corresponding to the input telephone number as its center is read out from the CD-ROM 40. If there are multiple numbers having a least difference from a subscriber number, it is confirmed whether the input number is identical with the subscriber number of 1,000 digits among the numbers.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device which sets an optimum route to a destination and provides route guidance, and more particularly, to an improved method for setting points such as a starting point and a destination.

[0002]

2. Description of the Related Art A navigation device is known in which a specific point is set by inputting a telephone number (see, for example, Japanese Patent Publication No. 7-60479).
In this device, when the input telephone number is not recorded in the storage device, the representative point corresponding to the area code of the telephone number is set for the time being, and the road map centering on the representative point is displayed. .

In this specification, the lower four digits of the telephone number are called a subscriber number, and the number higher than the subscriber number is called a station number. This area code includes the area code and the local area code.

[0004]

However, in the above-mentioned conventional navigation device, for all area codes (area code + city area code) nationwide, a point representing the area code must be decided, and In addition to the large number of man-hours required for investigation, it is necessary to store the information on the representative point corresponding to the station number in addition to the position information corresponding to the general telephone number in the storage device, which requires a large storage capacity.

An object of the present invention is to provide a navigation device which sets a nearby point by a simple method even when an unrecorded telephone number is input.

[0006]

[Means for Solving the Problems]

(1) According to the invention of claim 1, the map storage means for storing the road map, the information storage means for storing the telephone number and the position information of the number, the input means for inputting the telephone number, and the information storage means are recorded. Searching means for searching the telephone number input by the input means from among the stored telephone numbers, and setting means for setting the spot based on the position information of the information storing means corresponding to the telephone number searched by the searching means. And a display means for reading out and displaying a road map including the points set by the setting means from the map storage means. If the input telephone number is not recorded in the information storage means by the search means,
A telephone number that has the same input telephone number and area number but a different subscriber number is extracted, and the telephone number with the smallest difference from the input telephone number is selected from the extracted telephone numbers, and the setting means selects it by the search means. The location is set based on the location information of the information storage means corresponding to the telephone number. (2) In the navigation device of the second aspect, the name of the point corresponding to the telephone number having the smallest difference from the input telephone number is displayed by the display means. (3) In the navigation device of claim 3, the display means displays a cross-shaped cursor at a point corresponding to the telephone number having the smallest difference from the input telephone number, and also displays a message prompting the resetting of the point. It was done. (4) In the navigation device according to the fourth aspect, the point where the cross cursor is set is reset as the final point by the setting means.

[0007]

【The invention's effect】

(1) According to the invention of claim 1, when the input telephone number is not recorded in the information storage means, a telephone number having the same input telephone number and the same station number but different subscriber number is extracted, and the extracted telephone number The phone number with the smallest difference from the input phone number was selected from the list, the point corresponding to the selected phone number was set, and the road map including that point was displayed. Set up nearby points by a simple method even when unrecorded phone numbers are entered, without requiring a large-capacity storage device for investigating the representative points for each station or storing the representative points for each station number. can do. (2) According to the invention of claim 2, since the name of the point of the telephone number having the smallest difference from the input telephone number is displayed, it is possible to determine which point the displayed road map is centered on. I can confirm. (3) According to the invention of claim 3, the crosshair cursor is displayed at the point of the telephone number having the smallest difference from the input telephone number, and the message prompting the resetting of the point is displayed. You can reset the location of the phone number. (4) According to the invention of claim 4, since the point where the cross cursor is set is reset as the final point, on the road map where the vicinity of the point corresponding to the input telephone number is displayed. Then, you can easily reset the desired point.

[0008]

FIG. 1 shows the configuration of an embodiment.
The navigation device of one embodiment includes a control unit 10, an operation unit 20, a display 30, and a CD-.
It is composed of the ROM 40. Control unit 10
Is the main processor 11, interface 12, RO
An M13, a drawing processing unit 14, a RAM 15, a CD-ROM decoder 16, and a CD-ROM driver 17 are provided to detect the current location, set a starting point and a destination, search a route from the starting point to a destination, and display a road map. Controls etc. The operation unit 20 includes various operation switches for inputting various information such as a telephone number and operation commands, and includes touch switches on the display 30 and direction keys for moving a cursor, which will be described later. Be done. A road map screen, various menu screens described later, and the like are displayed on the display 30. The CD-ROM 40 also stores road map data, telephone numbers and position information.

2 to 4 are flow charts showing a spot setting process by inputting a telephone number. In this embodiment, an example of inputting a telephone number and setting a destination will be described. When the navigation device is powered on, the control unit 10 starts the processing shown in FIGS. 2 to 4, and first displays the map menu screen on the display 30 in step 1. When the destination setting touch switch of the operation unit 20 is operated in the following step 2, the process proceeds to step 3,
A screen for selecting a destination setting method is displayed on the display 30. Although there are various methods for setting the destination, the method other than the setting method by inputting the telephone number is well known and the description thereof will be omitted. When the telephone number touch switch of the operation unit 20 is operated in step 4, the process proceeds to step 5 and the telephone number input screen is displayed on the display 30.

In step 6, the telephone number input by the telephone number touch switch of the operation unit 20 is fetched, and the telephone number input in the following step 7 is displayed on the display 30. When the map display touch switch of the operation unit 20 is operated in step 8, the process proceeds to step 9 and it is determined whether or not the input telephone number is recorded in the CD-ROM 40. Step 1 if the input phone number is recorded
In step 0, the position information corresponding to the input telephone number is read from the CD-ROM 40, and the road map centered on the point corresponding to the input telephone number is read. Then, the road map and the name of the point are displayed on the display 30, and a cross cursor is superimposed and displayed on the point on the road map. For example, even if the destination is XX department store, if the parking lot of the department store is located in a remote place, the parking lot cannot be set as the destination with the telephone number of the department store. You can move the cursor to the parking lot and reset the correct destination.

If the entered telephone number is not recorded in the CD-ROM 40, in step 11, the telephone number having the same input telephone number and area code (area code + local area code) but different subscriber numbers is the CD. -Search whether it is recorded in the ROM 40. When the telephone numbers having the same station number are not recorded, the process proceeds to step 14 and the message "No telephone number is recorded" is displayed on the display 30.

If the inputted telephone number is not recorded, but the telephone numbers having the same station number but different subscriber numbers are recorded, the process proceeds to step 12 and the process A shown in FIG.
To execute. In step 21 of FIG. 4, a telephone number having the same station number is searched for one having the smallest difference between the input telephone number and the subscriber number. In the following step 22, it is confirmed whether or not there are a plurality of telephone numbers having the smallest difference in subscriber numbers. If there is only one, it proceeds to step 28, decides to use that telephone number for destination setting, and returns to step 13 of FIG.

On the other hand, if there are a plurality of telephone numbers having the smallest difference in subscriber numbers, the process proceeds to step 23, and among these telephone numbers, there is a telephone number having the same 1000-digit subscriber number as the input telephone number. To see if If the 1000-digit subscriber numbers are the same, proceed to step 28,
It is decided to use the telephone number for the destination setting, and the process returns to step 13. If the 1000-digit subscriber numbers are not the same, the process proceeds to step 24, and the 100-digit subscriber numbers are similarly compared. If the 100 digit of the subscriber number is the same as the input telephone number among the plurality of search telephone numbers, the process proceeds to step 28, it is decided to use the telephone number for the destination setting, and the process proceeds to step 13. move on. Similarly, in step 25, the digit of 10 is examined, and step 2 is repeated.
In 6, the digit of 1 is investigated. If the digits of the subscriber number are not the same, proceed from step 27 to step 28,
It is determined that the larger one of the plurality of telephone numbers is used for the destination setting, and the process returns to step 13.

In step 13 of FIG. 3, the position information of the telephone number decided to be used for the destination setting is stored in the CD-ROM.
40, while reading the road map centering on the point corresponding to the telephone number from the CD-ROM 40,
The name of the point is displayed while being displayed on the display 30. In addition, a cross cursor is displayed superimposed on that point on the road map, and "No telephone number is recorded. The point with a near telephone number is displayed.""Please set the position to match" Display a message. In this state, when the operator operates the direction keys of the operation unit 20 to move the cross cursor to the correct destination and operates the set switch, the controller 10 reads the point at the cursor position and sets it as the final destination.

In the configuration of the above embodiment, the CD-
The ROM 40 constitutes a map storage means and an information storage means, the operation section 20 constitutes an input means, the control unit 10 constitutes a search means and a setting means, and the control unit 10 and the display 30 constitute a display means. In the above embodiment, the case where the destination is input and set has been described as an example, but the input point is not limited to the destination and may be the departure point or any other point. Further, in the above-mentioned embodiment, when the input telephone number is not recorded, the point of the telephone number with the same subscriber number and the subscriber number close is set, but the telephone number of a specific facility with the same subscriber number is searched. The point of the facility may be set.
As a specific facility, a city hall, a police station, a fire station, or the like may be sequentially searched, and the point of the facility searched first may be set.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of an embodiment.

FIG. 2 is a flowchart showing a spot setting process by inputting a telephone number.

FIG. 3 is a flowchart following FIG. 2, showing a spot setting process by inputting a telephone number.

FIG. 4 is a flowchart following FIG. 3, showing a spot setting process by inputting a telephone number.

[Explanation of symbols]

 10 control unit 20 operation unit 30 display 40 CD-ROM

Claims (4)

[Claims] 1. A map storage means for storing a road map, an information storage means for storing a telephone number and position information of the number, an input means for inputting a telephone number, and a telephone stored in the information storage means. From the number
Search means for searching the telephone number input by the input means; setting means for setting a point based on the position information of the information storage means corresponding to the telephone number searched by the search means; and the map storage means In a navigation device comprising: a display unit that reads and displays a road map including a point set by the setting unit, the search unit, when the input telephone number is not recorded in the information storage unit, The telephone number having the same input telephone number and the same subscriber number as the subscriber number is extracted, and the telephone number having the smallest difference from the input telephone number is selected from the extracted telephone numbers, and the setting unit is configured to perform the search. A navigation device, characterized in that a point is set based on position information of the information storage means corresponding to a telephone number selected by the means. 2. The navigation device according to claim 1, wherein the display unit displays a name of a point corresponding to a telephone number having a minimum difference from the input telephone number. 3. The navigation device according to claim 1, wherein the display unit displays a crosshair cursor at a point corresponding to a telephone number having a minimum difference from the input telephone number, and A navigation device characterized by displaying a message prompting resetting. 4. The navigation device according to claim 3, wherein the setting unit resets a point where the cross cursor is set as a final point.