JP2008082858A - Navigation apparatus, control method, and control program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To speedily display a map desired by a user while reducing the time and the labor required for input. <P>SOLUTION: A zip code is inputted by the user. Address information corresponding to the inputted zip code and address information inputted by the user are displayed on a display device. Then the user is urged to input detail address information, address information more detailed than the displayed address information. It is inputted via an input device to display the address information corresponding to the zip code and a map corresponding to the detail address information on the display device. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a navigation device, a control method, and a control program, and more particularly to a navigation device, a control method, and a control program that are applied as a navigation device that displays a map and guides a route to a destination.

2. Description of the Related Art Conventionally, navigation devices that perform route guidance from a current location to a destination are known. Also, this type of navigation device has a route search function that searches for and presents a guidance route from the departure point to the destination based on the departure point (or current location) and the destination input by the user. (For example, refer to Patent Document 1).
In such a navigation device, when displaying a target map, for example, the navigation device first displays a prefecture selection list screen, and when the prefecture is selected by the user on this prefecture selection screen, Display the municipality selection screen. In the same manner, the user selects a municipality, displays the chome / chome selection list screen, displays the user's chome / chome selection, displays the address selection list screen, displays the address selected by the user, displays the residence number selection list screen, and displays the residence by the user. The desired map of the user is finally displayed by sequentially selecting a desired address for each hierarchy, such as selection of numbers.
JP-A-8-201087

However, in the method of directly inputting an address, there is a problem that a large amount of information has to be input, which is troublesome.
In order to solve this problem, the conventional navigation apparatus is configured to display a corresponding map by inputting a zip code.
However, the zip code is a division of the postal delivery area for convenience. In some cases, it can be specified only up to large administrative districts such as municipalities, and the map displayed by entering the zip code is However, there is a problem that the map desired by the user is not always displayed.
Accordingly, an object of the present invention is to provide a navigation device, a control method, and a control program capable of quickly displaying a map desired by a user while reducing the input effort.

In order to solve the above problems, in a navigation device that guides a route to a destination, an address related information input unit that allows a user to input address related information, and an address that displays address information corresponding to the input address related information An information display unit, a detailed address input unit that prompts the user to input detailed address information that is more detailed address information than the displayed address information, and inputs the address, and an address corresponding to the address related information A map display control unit that displays information and a map corresponding to the detailed address information.
According to the said structure, an address relevant-information input part and a user are made to input address relevant information.
The address information display unit displays the address information corresponding to the input address related information and the address information input by the user.
The detailed address input unit prompts the user to input detailed address information, which is more detailed address information than the displayed address information, and causes the map display control unit to input.
As a result, the map display control unit displays the address information corresponding to the address related information and the map corresponding to the detailed address information.
Therefore, in the navigation device that performs route guidance to the destination, it is possible to quickly display a map desired by the user while reducing the input effort.
In this case, the address information has a hierarchical structure, and the detailed address input unit displays address information belonging to a hierarchy lower than the hierarchy included in the address information corresponding to the input address related information. The user may be prompted to input the detailed address information.
Further, the hierarchy may include at least a prefecture hierarchy, a municipality hierarchy, a chome / chome hierarchy, an address hierarchy, and a residence number hierarchy.
Furthermore, you may make it provide the display part which displays the said map.
Furthermore, the address related information may be a zip code or a telephone number.
In addition, in a control method of a navigation device that includes an input device and a display device for inputting various information, and guides a route to a destination, an address related information input process for allowing a user to input address related information, and the input address Address information display process for displaying address information corresponding to related information on the display device, and prompting the user to input detailed address information which is more detailed address information than the displayed address information, and the input device A detailed address input process for inputting via the map, and a map display control process for displaying the address information corresponding to the address related information and the map corresponding to the detailed address information on the display device. It is said.
In addition, in a control program for controlling a navigation device that guides a route to a destination with an input device and a display device for inputting various information, the user inputs address related information and the input Address information corresponding to address related information is displayed on the display device, and the user is prompted to input detailed address information that is more detailed address information than the displayed address information, via the input device. Input is performed, and address information corresponding to the address related information and a map corresponding to the detailed address information are displayed on the display device.

  ADVANTAGE OF THE INVENTION According to this invention, the effort at the time of an address input can be reduced, a desired map can be displayed easily, and operativity can be improved.

  Embodiments of the present invention will be described below with reference to the drawings. In the following description, an in-vehicle navigation device (so-called car navigation device) will be exemplified as the navigation device.

  FIG. 1 is a block diagram showing a functional configuration of navigation device 100 according to the present embodiment. As shown in this figure, the navigation device 100 includes an absolute position / orientation detection unit 1, a relative orientation detection unit 2, a vehicle speed detection unit 3, a main control unit 4, a ROM 5, a DRAM 6, an SRAM 7, and a VRAM 8. A user interface unit 9, a display unit 10, an input unit 11, a disk control unit 12, an FM multiplex signal processing unit 13, and an external recording device control unit 14.

The absolute position / orientation detection unit 1 includes an antenna that receives GPS radio waves transmitted from a GPS (Global Positioning System) satellite, and is absolute on the current location of the vehicle on which the navigation device 100 is mounted, that is, on the ground surface of the position of the vehicle. A correct position coordinate and azimuth are calculated based on the GPS radio wave and output to the main control unit 4.
The relative azimuth detecting unit 2 has a gyro sensor, detects a relative azimuth of the own vehicle position, and outputs it to the main control unit 4. The vehicle speed detection unit 3 processes vehicle speed pulses obtained from the automobile and outputs the speed of the host vehicle to the main control unit 4.

The main control unit 4 executes various processes such as control of each part of the navigation device 100 and processes for the navigation function, and includes a CPU as arithmetic means and other peripheral circuits.
The ROM 5 stores various programs such as a control program, a basic input output system (BIOS), a boot program for starting the apparatus, and a program for realizing a navigation function, and is accessible by the main control unit 4. ing.
The DRAM 6 is a volatile memory and is used as a work area for the main control unit 4.
The SRAM 7 is a non-volatile memory, and is supplied with power from a main power source (not shown) such as an accessory power source of an automobile. While the main power source is off, power is supplied from a standby power source (not shown) such as a battery. Is provided so that the stored contents can be held at all times, and functions as a backup memory. The VRAM 8 is a buffer memory in which screen data displayed on the display unit 10 is written.

  The user interface unit 9 includes an input / output (I / O) control circuit and a driver circuit, and functions as an interface that connects the display unit 10 and the input unit 11 to the main control unit 4. Specifically, the user interface unit 9 executes display control of the display unit 10 under the control of the main control unit 4 and outputs an operation of the input unit 11 to the main control unit 4.

The display unit 10 displays various types of information such as a navigation map, a vehicle position, an operation menu, and an input screen for various instruction data under the control of the user interface unit 9. For example, an LCD (Liquid Crystal) A display device such as a display) or an EL (Electro Luminescent) display is provided.
The input unit 11 receives a user's instruction operation and outputs it to the user interface unit 9. The input unit 11 includes a plurality of operators disposed on the front portion of the navigation device 100 and the display device provided in the display unit 10. Is provided with a touch panel (not shown). Note that the input unit 11 may be configured such that the navigation device 100 can be remotely operated by a remote controller or the like.

The disk control unit 12 controls storage devices such as a CD-ROM drive, a DVD-ROM drive, and a hard disk drive that store map data used for navigation and various data.
The FM multiplex signal processing unit 13 receives FM multiplex broadcast waves, extracts VICS (road traffic information communication system) information indicating information such as traffic jams, accidents, and traffic regulations, and outputs the information to the main control unit 4. The external recording device control unit 14 performs recording and reading of data with respect to an external recording medium such as a memory card, a Memory Stick (registered trademark), and a compact flash (registered trademark) card.

  Under the above configuration, when the destination is input from the input unit 11 by the user, the main control unit 4 displays the guidance route from the vehicle position detected by the absolute position / orientation detection unit 1 to the destination. It searches and displays the optimal map and the own vehicle position on the said display part 10 to show the said guidance route. While the vehicle is running, the main control unit 4 uses the absolute position / azimuth detection unit 1 to calculate the vehicle position calculated by autonomous navigation based on the detection results of the relative direction detection unit 2 and the vehicle speed detection unit 3. By hybrid navigation that corrects the detected vehicle position, the vehicle position obtained with high accuracy is displayed on a map to provide route guidance.

By the way, in this embodiment, when the destination is input from the input unit 11, the main control unit 4 has a function of searching for a guidance route from the current location (own vehicle position) to the destination.
In this destination input or map display request, direct designation on the map screen or address input designation can be considered, but in this embodiment, when specifying a map or in address input designation, address input is intended by the user. Input support along the way.
In this embodiment, a candidate for an optimal input address that is considered to be in line with the user's intention from the past input history, that is, the input date and time, the vehicle position at the time of the input, the location of the destination, the number of selections, etc. It is presented on the screen.
In the present embodiment, the address data has a hierarchical structure.
Here, the hierarchical structure of the address data and the hierarchical structure tail of the address data corresponding to the postal code in the navigation device 100 will be described.
The address data in the navigation device 100 has the following five-layer structure.
First level: Prefecture level (for example, Saitama Prefecture)
Second level: Municipal level (for example, Toda City)
Third level: Chome / Chome level (for example, Kami Toda)
Fourth hierarchy: Address hierarchy (for example, 1 chome 2)
5th level: Residence number level (eg No. 3)

FIG. 2 is an explanatory diagram of a zip code database (DB) in the present embodiment.
In this embodiment, the correspondence relationship between the zip code and the address data is stored as a zip code database in a hard disk (not shown) controlled by the disk control unit 12.
The zip code database 20 includes zip code data records R1, R2,..., Zip code data 21, prefectural hierarchy data 22, municipality hierarchy data 23, chome / chome hierarchy data 24, address hierarchy data 25, and residence. Number hierarchy data 26 is provided.
Incidentally, the address data corresponding to the zip code actually has a structure of up to the following three layers.
First level: Prefecture level (for example, Saitama Prefecture)
Second level: Municipal level (for example, Toda City)
Third level: Chome / Chome level (for example, Kami Toda)
However, for example, there are postal codes that correspond only to address data up to the second level, as in the case of the postal code = “335-0000”.
Therefore, in the present embodiment, address data that can be handled by a zip code is automatically input, and the user is prompted to input more detailed address data, thereby displaying a desired map while reducing the user's trouble. I am going to do that.

FIG. 3 is a processing flowchart of the embodiment.
First, the user inputs a zip code corresponding to a place where a map is to be displayed on the input screen (step S1).

FIG. 4 is an explanatory diagram of an example of a display screen when inputting a zip code.
The input screen 30 includes a reading input unit 31, a candidate data number display unit 32 that displays the number of candidate data at the time of input, a hiragana input unit 33 that displays 50 sounds, and a screen for returning to the previous display screen. A return button 34, a clear button 35 for clearing the input contents of the reading part 31, a determination button 36 for determining the contents of the reading part, and a zip code input window 37 for opening And a postal code input instruction button 38.
When the postal code input instruction button 38 is operated, a postal code input window 37 is opened as shown in FIG.

The postal code input window 37 includes a postal code input box 39 for actually inputting a 7-digit postal code, a clear button 40 for clearing the input content of the postal code input box 39, and the input content of the postal code input box 39. A decision button 41 for making a decision.
When the user inputs a zip code in the zip code input box 39 and operates the enter button 41, the main control unit 4 reads the zip code stored in advance in an external storage device such as a hard disk connected to the disk control unit 12. The database 20 is referred to (step S2).

As a result of referring to the zip code database 20, the main control unit 4 determines the data hierarchy corresponding to the zip code (step S3).
Specifically, as shown in FIG. 4, when the inputted zip code = “335-0022”, as shown in FIG. Since the data is included, the reading corresponding to the third-level chome / chome hierarchical data is displayed on the reading unit 31 (step S4).
FIG. 5 is an explanatory diagram of an address display example.
More specifically, as shown in FIG. 5, the reading “Todashi Ueda” corresponding to “Kamitoda, Toda City, Saitama Prefecture” is displayed.

Then, the main control unit 4 prompts the user to input an address at a level lower than the level indicated by the zip code and causes the user to input the address (step S5).
FIG. 6 is an address candidate list screen.
Specifically, the main control unit 4 changes the display screen to an address candidate list screen shown in FIG. 6 and selects an address candidate from the displayed list.
In FIG. 6, the list screen 50 displays a selected address candidate display unit 51 that displays the selected address candidates, a list display unit 52 that displays a plurality of address candidates as selection buttons, and up and down scroll buttons 53 and 54. A scroll operation unit 55 and a return button 56 for returning to the previous display screen are displayed.
More specifically, in the case of the above-mentioned example, there are 1-chome to 5-chome in “Kami-Toda, Toda City, Saitama Prefecture”, so that the selected address candidate display unit 51 has “1chome” to “5-chome”. Is displayed. In FIG. 6, since the selected address candidate display unit 51 can only display four address candidates at the same time, “1 chome” to “4 chome” are displayed.

Next, the main control unit 4 determines whether or not the address displayed as the input candidate has been selected and confirmed (step S6).
If it is determined in step S6 that the input candidate has not yet been selected or confirmed (step S6; No), the process proceeds to step S5 again and enters a standby state.
In the determination of step S6, when the address displayed as the input candidate is selected and confirmed (step S6; Yes), it is not shown and stored in advance in an external storage device such as a hard disk connected to the disk control unit 12. The map database is searched (step S7), and the corresponding map is displayed (step S8).
As described above, according to the present embodiment, it is possible to easily and quickly display a map desired by a user while inputting a zip code as address related information and simplifying address input at the time of map display. It becomes possible.

The above-described embodiment is merely an aspect of the present invention, and can be arbitrarily modified within the scope of the present invention.
In the above description, a method of inputting a postal code as address related information and simplifying address input based on the postal code has been described. However, it is also possible to simplify address input based on a telephone number. .
In the above description, a vehicle-mounted device is exemplified as the navigation device. However, the present invention is not limited to this, and the navigation device incorporated in a portable information device such as a mobile phone or a PDA, or a navigation device such as a map display device. The present invention is applicable.

It is a block diagram which shows the functional structure of the navigation apparatus of embodiment. It is explanatory drawing of a postal code database (DB) in this embodiment. It is a processing flowchart of an embodiment. It is explanatory drawing of an example of the display screen at the time of a postal code input. It is explanatory drawing of the example of an address display. It is a list screen of address candidates.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Absolute position and direction detection part, 2 ... Relative direction detection part, 3 ... Vehicle speed detection part, 4 ... Main control part, 5 ... ROM, 6 ... DRAM, 7 ... SRAM, 8 ... VRAM, 9 ... User interface part, R1 ... ZIP code data record, 10 ... display unit, 11 ... input unit, 12 ... disk control unit, 13 ... FM multiple signal processing unit, 14 ... external recording device control unit, 20 ... ZIP code database, 21 ... ZIP code data 22 ... Prefectural hierarchy data, 23 ... City / town / village hierarchy data, 24 ... Cing / chome hierarchy data, 25 ... Address hierarchy data, 26 ... Housing number hierarchy data, 30 ... Input screen, 31 ... Input section, 32 ... Candidate Data number display section 33 ... Input section 34 ... button 35 ... clear button 36 ... decision button 37 ... zip code input window 38 ... zip code input instruction button 39 ... zip code input 40 ... Clear button 41 ... Set button 50 ... List screen 51 ... Selected address candidate display part 52 ... List display part 53 ... Scroll up / down button 55 ... Scroll operation part 56 ... Button 100 ... Navigation apparatus.

Claims (7)

In a navigation device that guides the route to the destination,
An address related information input section for allowing the user to input address related information;
An address information display unit for displaying address information corresponding to the input address-related information;
A detailed address input unit that prompts the user to input detailed address information that is more detailed address information than the displayed address information;
A map display control unit for displaying address information corresponding to the address related information and a map corresponding to the detailed address information;
A navigation device characterized by comprising: The navigation device according to claim 1, wherein
The address information has a hierarchical structure,
The detailed address input unit prompts the user to input, as the detailed address information, address information belonging to a hierarchy lower than a hierarchy included in address information corresponding to the input address related information. Navigation device. The navigation device according to claim 2, wherein
The navigation apparatus characterized in that the hierarchy includes at least a prefecture hierarchy, a municipality hierarchy, a chome / chome hierarchy, an address hierarchy, and a residence number hierarchy. The navigation device according to any one of claims 1 to 3,
A navigation device comprising a display unit for displaying the map. The navigation device according to any one of claims 1 to 4,
The navigation apparatus according to claim 1, wherein the address related information is a postal code or a telephone number. In a control method of a navigation device that includes an input device and a display device for inputting various information, and performs route guidance to a destination,
An address related information input process for allowing the user to input address related information;
An address information display process for displaying address information corresponding to the input address-related information on the display device;
A detailed address input process for prompting the user to input detailed address information that is more detailed address information than the displayed address information, and performing input via the input device;
A map display control process for causing the display device to display a map corresponding to the address information corresponding to the address related information and the detailed address information;
A control method comprising: In a control program for controlling a navigation device for guiding a route to a destination by a computer, including an input device and a display device for inputting various information,
Let the user enter address related information,
Displaying the address information corresponding to the input address-related information on the display device;
The user is prompted to input detailed address information that is more detailed address information than the displayed address information, and input is made via the input device,
Displaying on the display device address information corresponding to the address related information and a map corresponding to the detailed address information;
A control program characterized by that.

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