JP2003214866A - Navigation method, on-vehicle navigation system as well as program for navigation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a navigation technique, i.e., a navigation method and an on-vehicle navigation system as well as a program for navigation, by which coordinates agreeing truly with a user's demand can be selected easily by a method wherein not only facilities such as parking areas or the like close to a prescribed reference position such as a destination are retrieved and the facilities such as the parking areas or the like are retrieved and guided in the order of conditions selected from a plurality of conditions such as in the order of tolls, in the order of the number of vehicles capable of being parked or the like. <P>SOLUTION: Regarding the respective retrieved parking areas, information items of data are used as keys, they are arranged sequentially, and a list is displayed. The information items to be used as the keys are selected by an operation from the respective information items included in the data, they are rearranged in the order according to the selected keys, the list is displayed again, and keys of other information item names are simultaneously displayed on a screen. When the parking areas are selected by a given operation, the facilities are set as the destination. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention not only searches for a facility such as a parking lot near a predetermined reference position such as a destination, but also a parking lot in the order of conditions selected from a plurality such as the order of charges or the number of parking lots. The present invention relates to a navigation technique that facilitates selection of a candidate that truly matches a user's demand by searching and guiding the facility, that is, a navigation method, a vehicle-mounted navigation device, and a navigation program.

[0002]

2. Description of the Related Art In recent years, in-vehicle navigation devices have become widespread with the spread of digital technology and automobiles. The vehicle-mounted navigation device calculates the optimum route to a given destination while calculating the vehicle position in real time using GPS or a gyro, and provides guidance by a map display or synthetic voice. Some in-vehicle navigation devices
Some have data on various facilities such as parking lots and have the function of searching for those facilities and setting them as destinations.

[0003] For example, one example of a mode for searching a parking lot is stepwise narrowing down. In this case, for example, first, the type of facility called a parking lot is selected, then the prefecture is selected, and from the displayed parking lots. By gradually narrowing down by the order close to the own vehicle position or existing cities, towns, names, etc., finally narrowing down to one and setting it as the destination and guiding it. However, in this example, the operation is complicated, and when searching for a parking lot, the destination is not a parking lot in most cases, and a parking lot near a certain target facility is searched for.

Therefore, the following search mode associated with other search functions is also known. For example, when a destination is determined, a parking lot search key is displayed on the screen, and if the user selects it, parking lots close to a predetermined reference position such as the destination are selected and displayed in ascending order. Of these, the final parking lot can be selected. In this example, for example, the parking lot displayed at the top of the list is the parking lot closest to the facility that is the destination, so that it is possible to obtain a certain degree of usability.

[0005]

However, in the prior art in which the candidates are displayed in the order closer to the destination as described above, there is a problem that it is difficult to select a candidate that truly matches the user's demand. For example, when searching for parking lots only in the order of being closer to the determined destination, even if it is called a parking lot, it is diverse, especially when the destination is a downtown area or a station, etc. However, the parking lot is crowded or expensive, or a small coin parking lot can accommodate only one or two cars, so when it is actually visited, there is a possibility that the parking lot cannot be stopped.

The present invention has been proposed in order to solve the above-mentioned problems of the prior art, and its purpose is to simply search for a facility such as a parking lot near a predetermined reference position such as a destination. Instead, by searching and guiding facilities such as parking lots in the order of conditions selected from multiple such as order of charge or number of parking available,
It is an object of the present invention to provide a navigation technique that facilitates selection of candidates that truly match the user's demand, that is, a navigation method, a vehicle-mounted navigation device, and a navigation program.

[0007]

To achieve the above object, the invention of claim 1 sequentially detects the vehicle position of a vehicle and detects the detected vehicle position based on road map data stored in advance. In a navigation method that displays a vehicle position and a surrounding map and guides an optimal route to a destination, the location of a facility and service data including a plurality of information items regarding the facility are used as facility data for each facility. Based on an operation that is stored in advance, a facility close to a predetermined reference position is searched from the facility data, and each searched facility is arranged in order using one of the information items of each service data as a key. A list is displayed by doing so, and the information item serving as the key is selected from among the information items included in the service data by operation, and according to the selected key. Again performs the list sorted in order, if any of the facilities from the list displayed by the operation given is selected, and sets the facility as the destination.

According to a fifth aspect of the invention, the invention of the first aspect is regarded as a device, and based on road map data stored in advance while sequentially detecting the vehicle position of the vehicle,
In a navigation device that displays the detected vehicle position and surrounding map and guides the optimum route to the destination, the location of the facility and service data including a plurality of information items regarding the facility are provided for each facility. Means for pre-store as facility data, means for retrieving a facility near a predetermined reference position from the facility data based on a given operation, and any information item of each service data for each retrieved facility Means for displaying a list by arranging in order by using as a key, and selecting the information items to be the key by operation from among the information items included in the service data, and rearranging in the order according to the selected key Means to re-display the list again, and if any facility is selected from the list display by the given operation, the operation is performed. The characterized by comprising a means for setting as the destination.

According to a ninth aspect of the present invention, the inventions of the first and fifth aspects are grasped from the viewpoint of a computer program, and are stored in advance while sequentially detecting the vehicle position of the vehicle by controlling the computer. Based on the road map data, the display of the detected vehicle position and surrounding map,
In a navigation program for guiding an optimal route to a destination, the program causes the computer to store the location of a facility and service data including a plurality of information items about the facility as facility data for each facility. The facility is stored in advance, and the facility near the predetermined reference position is searched from the facility data based on the given operation, and for each facility searched, one of the information items of the service data is arranged in order as a key. The list display is performed by the above, and the selection of the information item serving as the key from the information items included in the service data is accepted, the items are rearranged in the order according to the selected key, and the list is displayed again. When any facility is selected from the list display by the given operation , Characterized in that to set the facility as the destination.

In these modes, facilities such as parking lots are displayed not only in order of being closer to the reference position such as the current destination, but also by allowing the user to specify an information item which is a rearrangement key. , It is possible to display, select, and set the route for the candidate that best matches the user's purpose and demand.

According to a second aspect of the present invention, in the navigation method according to the first aspect, the facility is a parking lot.

A sixth aspect of the present invention is obtained by considering the second aspect of the invention as a device. In the vehicle-mounted navigation device according to the fifth aspect, the facility is a parking lot.

In these aspects, by applying the present invention to a parking lot, there is a concern about a parking place or a parking violation on the road even in a narrow land area such as Japan, a large city with a high concentration, or a crowded time. Is reduced compared to the past and a comfortable car life is realized.

The invention of claim 3 is characterized in that, in the navigation method of claim 2, the service data includes information on a parking charge.

The invention of claim 7 is obtained by considering the invention of claim 3 as a device, and in the vehicle-mounted navigation device according to claim 6, the service data includes information on a parking charge. To do.

In these modes, the parking lots can be displayed in order from the lowest parking fee, so that the parking fee can be saved easily.
A reasonable and comfortable car life is promoted even within a limited budget.

The invention of claim 4 is the navigation method according to claim 2 or 3, wherein the service data is
It is characterized by including information on the number of parked vehicles.

The invention of claim 8 is obtained by considering the invention of claim 4 as a device, and in the vehicle-mounted navigation device according to claim 6 or 7, the service data includes information on the number of parked vehicles. Characterize.

In these modes, the parking lots can be displayed in descending order of the number of parked vehicles, so that the risk of being full is effectively reduced even when the vehicle is crowded, and a comfortable car life is promoted.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention (hereinafter referred to as "embodiments") will be specifically described with reference to the drawings. It should be noted that although the control of the computer by software is used to implement the present embodiment, the implementation modes of the hardware and software in this case can be changed in various ways. Therefore, in the following description, the present invention and the present invention will be described. A virtual circuit block that realizes each function of the embodiment is used.

[1. Configuration] This embodiment, while sequentially detecting the vehicle position of the vehicle, based on the road map data stored in advance, the display of the detected vehicle position and the surrounding map,
The present invention relates to an on-vehicle navigation device (hereinafter referred to as “this device”) that guides an optimum route to a destination and a navigation method executed on this device, and can be understood as a navigation program.

First, as shown in the functional block diagram of FIG. 1, this device comprises a main body A and a display B, and the following elements shown in FIG. That is, first in the main body portion A, 1
Is a main CPU that controls the entire system, and 2 is a DRAM that provides a system work area and a program storage area.
And the like, a display control unit 3 for drawing a map, a menu, and the like, and 4 an interface circuit (I / I) of each device.
F) and other peripheral circuits of the CPU.

Further, 5 is a CD-ROM or a DVD-RO
It is a storage medium such as an M drive or a hard disk drive, and includes a road map database and a parking lot database. Of these, the road map database is a database that stores road map data for route search and map display, such as road network structures and targets such as buildings.

The parking lot database is means for pre-storing the parking lot position and service data including a plurality of information items regarding the parking lot as facility data for each facility. For each parking lot that is
In addition to the name, latitude / longitude coordinates, address, telephone number, information items such as parking charge per unit time and data on the number of cars that can be parked are included.

Further, 6 is a relative azimuth detecting section using a gyro sensor or the like, 7 is an absolute position detecting section such as GPS,
These are used for real-time vehicle position detection. Further, 8 is a voice synthesizing unit for performing voice guidance, 9 is an output unit such as an amplifier for driving a guidance speaker (SP), and 10 is a vehicle I / V that takes in vehicle information such as a vehicle speed signal and a back signal.
The F unit, 11 is a VICS information receiving unit that takes in VICS information by FM multiplexing, beacons and the like.

In the display section B, 12 is a video (VIDEO) signal processing section for displaying a video signal on the display 13, 13 is a display such as an LCD or CRT for displaying maps and menus, and 14 is a touch panel. An input unit such as or an operation key, and 15 is a remote control light receiving unit for receiving a remote control signal.

[2. Operation] In the present embodiment configured as described above, the main CPU 1 realizes the following operation in accordance with the program stored in the storage unit 2. Here, the processing procedure in this embodiment is shown in the flowchart of FIG.

[2-1. Search for Parking Lot] First, based on an operation given by the user, a parking lot near a predetermined reference position is searched from the facility data. Here, the reference position of the search is free, but in addition to the current own vehicle position, the destination currently set, the target facility is searched from the facility list, etc., and the surrounding parking lot is set as the reference position. You may search.

Here, it is assumed that a parking lot near the destination facility is searched. Specifically, the user can search for a destination facility from the facility list by using various search functions such as industry search, address search, and telephone number search that navigation devices have conventionally. Good.

When the facility serving as the reference position for the parking lot search is specified from the above search (step 01),
Coordinate information about the facility is read out and a map of the surrounding area is displayed on the display (Fig. 3). At the same time, the parking lot search key K is displayed in a part of the display area (step 02), and when the user wants to find a surrounding parking lot, the user controls, for example, the pointer P by the input unit 14 or the remote controller to operate the key. K
Is selected (step 03).

[2-2. Search and list display] (Step 03), the data of the parking lot close to the facility is searched from the facility data, and each of the retrieved parking lots is arranged in order using any of the information items of the service data as a key. To display the list (step 0
4, FIG. 4). For example, facility data such as coordinate data is read from a parking lot database, and a predetermined number of parking lots within a specific distance around the parking lot are selected in order from the destination and displayed in the list C. At the same time, depending on what information items are included in the facility data read out in this way, a selection key K for the order of charges and the number of cars that can be parked is displayed using a part of the screen (step 04). .

[2-3. Selection and rearrangement of information items] Further, when an information item serving as a key is selected by an operation from among the information items included in the service data (steps 05, 08, 11), the order according to the selected key is performed. And the list is displayed again (step 0
6, 09, 12), and at the same time, keys for other information item names are displayed on the screen (steps 07, 10, 13).

That is, the user, depending on the purpose,
A key K indicating the order of charges and the number of cars that can be parked is selected by using the input unit 14 or the remote controller (FIG. 4). As a result, the parking lots are rearranged according to the selection contents and the list is re-displayed (FIG. 5), so that the user can select another information item name from the key K or the list C An appropriate parking lot is selected from the inside, and selection is input using the pointer P.

[2-4. Selection and destination setting] Then, when the parking lot is selected by the given operation, the facility is set as the destination, but here, the coordinates of the selected parking lot are acquired from the facility data, and the It is assumed that the parking lot and the surrounding map are displayed once for confirmation based on the coordinates (Fig. 6). Then, when the user confirms and decides the map, the calculation key K is input by the input unit 14 or the remote controller.
When an input for specifying the parking lot is made (step 15), a route is set with the parking lot as the destination (step 16), and the route guidance is performed by the route guidance function similar to the conventional technique.

[3. [Effect] As described above, in the present embodiment, the facilities such as the parking lot are not only displayed in the order closer to the reference position such as the current destination, but also the information items that are the keys for rearrangement are displayed by the user. , The display, selection, and route setting regarding the candidate that best matches the purpose and demand of the user becomes possible.

Further, in the present embodiment, by applying the present invention to a parking lot, even in a narrow land such as Japan, a large city having a high concentration, or a crowded time, a parking place at a place of departure or a parking violation, etc. The worry of is reduced compared to the past and a comfortable car life is realized.

Further, in the present embodiment, the parking lots can be displayed in order from the lowest parking fee, so that the parking fee can be easily saved and a reasonable and comfortable car life can be promoted even within a limited budget.

Further, in the present embodiment, the parking lots can be displayed in descending order of the number of parked vehicles, so that the risk of being full when the vehicle is actually visited can be effectively mitigated even during congestion, and a comfortable car life can be promoted.

[4. Other Embodiments] The present invention is not limited to the above embodiments, and includes other embodiments as illustrated below. For example, the contents of the information items are free, and the present invention is applicable to facilities other than parking lots,
For example, it can be freely applied to convenience stores and family restaurants.

[0040]

As described above, according to the present invention, not only a facility such as a destination such as a parking lot near a predetermined reference position is searched but also a plurality of facilities such as a charge order and a parking available number order are selected. By searching and guiding facilities such as parking lots in order of conditions, it is possible to provide navigation technology that facilitates selection of candidates that truly match the user's demand, that is, a navigation method, vehicle-mounted navigation device, and navigation program. Becomes

[Brief description of drawings]

FIG. 1 is a functional block diagram showing a configuration of an embodiment of the present invention.

FIG. 2 is a flowchart showing an overall processing procedure according to the embodiment of the present invention.

FIG. 3 is a diagram showing a display example of a screen according to the embodiment of the present invention.

FIG. 4 is a diagram showing a display example of a screen according to the embodiment of the present invention.

FIG. 5 is a diagram showing a display example of a screen according to the embodiment of the present invention.

FIG. 6 is a diagram showing a display example of a screen according to the embodiment of the present invention.

[Explanation of symbols]

A ... Main body B ... Display 1 ... Main CPU 2 ... memory 3 ... Display control unit 4 ... CPU peripheral circuit 5 ... CD-ROM or DVD-ROM 6 ... Absolute position / direction detector 7 ... Direction detection unit 8 ... Voice section 9 ... Amplifier 10 ... Vehicle I / F 11 ... VICS information receiving unit 12 ... Signal processing unit 13 ... Indicator 14 ... Input section 15 ... Remote receiver

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Claims (9)

[Claims] 1. Displaying the detected own vehicle position and surrounding map based on the road map data stored in advance while sequentially detecting the own vehicle position of the vehicle, and providing an optimum route guidance to the destination. In the navigation method, the location of the facility and the service data including a plurality of information items related to the facility are stored in advance as facility data for each facility, and based on the given operation, the location is close to the predetermined reference position. A facility is searched from the facility data, and a list display is performed by arranging in order the information items of each service data for each retrieved facility as a key, and the key information items are included in the service data. Select each of the information items to be operated by operation, rearrange in the order corresponding to the selected key, display the list again, and Navigation method when any of the facility from the list display is selected, and sets the facility as the destination by. 2. The navigation method according to claim 1, wherein the facility is a parking lot. 3. The navigation method according to claim 2, wherein the service data includes parking fee information. 4. The navigation method according to claim 2, wherein the service data includes information on the number of parked vehicles. 5. The vehicle position of the vehicle detected and the surrounding map are displayed based on the road map data stored in advance while the vehicle position of the vehicle is sequentially detected, and the optimum route guidance to the destination is provided. In the navigation device that performs, the location of the facility and the service data including a plurality of information items related to the facility are stored in advance as facility data for each facility, and based on the given operation, close to a predetermined reference position. Means for retrieving facilities from the facility data, means for displaying a list by arranging each retrieved facility in order using one of the information items of each service data as a key, and the key information items Select from the information items included in the service data by operation, sort in the order according to the selected key, and display the list again. And means, if any of the facilities from the list displayed by the operation given is selected, the vehicle-mounted navigation apparatus characterized by comprising means for setting the facility as the destination, the. 6. The vehicle-mounted navigation device according to claim 5, wherein the facility is a parking lot. 7. The vehicle-mounted navigation device according to claim 6, wherein the service data includes parking charge information. 8. The vehicle-mounted navigation device according to claim 6, wherein the service data includes information on the number of parked vehicles. 9. The computer is controlled to sequentially detect the vehicle position of the vehicle, and based on the road map data stored in advance, display of the detected vehicle position and surrounding map, and up to the destination. In the navigation program for guiding the optimal route of the facility, the program causes the computer to prestore the facility position and service data including a plurality of information items regarding the facility as facility data for each facility. In addition, based on the given operation, the facility near the predetermined reference position is searched from the facility data, and for each facility searched, one of the information items of each service data is arranged in order as a key to list. The information items to be displayed are displayed, and the key information items are operated from the information items included in the service data. The list is displayed again by rearranging it in the order according to the selected key, and if any facility is selected from the list display by the given operation, the facility is set to the purpose. A navigation program characterized by being set as the ground.