JP3660453B2 - Destination setting device and route setting device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a destination setting device and a route setting device suitable for use in an in-vehicle navigation device and the like. Specifically, a plurality of candidate locations are extracted and displayed by inputting an approximate distance to the destination, and a plurality of destination locations are extracted. The present invention relates to a destination setting device and a route setting device that can set a destination by selecting a destination from candidate locations and set a route to the destination.
[0002]
[Prior art]
In in-vehicle navigation devices, when setting a destination, a region menu for selecting a region obtained by dividing the whole country, such as Hokkaido, Tohoku, and Kanto, is displayed on the screen and the desired region is specified. Next, the name of the prefecture in the designated area is displayed on the menu to designate the desired prefecture, and when the name of the prefecture is designated, a map of the prefecture is displayed on the screen (Japanese Patent Laid-Open No. 6-43807). See the official gazette).
[0003]
In addition, a menu for selecting a prefecture name is displayed without displaying a region selection menu for Hokkaido, Tohoku, Kanto, etc., and a desired prefecture is selected and designated.
[0004]
[Problems to be solved by the invention]
In the hierarchical menu method of selecting a region and then selecting a prefecture, for example, selecting Kanto region and then selecting Saitama Prefecture requires two selection operations.
In the method of directly selecting a prefecture, a menu in which a number of prefecture names are arranged, for example, in the order of Aioue is displayed, so it takes time to select a desired prefecture from a large number.
[0005]
When searching not only for an address but also for example leisure facilities and public institutions, it is often time-consuming to select a desired facility from a list of many facilities.
[0006]
The present invention has been made to solve such a problem, and a destination setting device that reduces the number of selection candidates so that a destination can be easily selected and specified in a short time, and a destination with a few operations. An object of the present invention is to provide a route setting device that can set a route up to.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the destination setting device according to the present invention is selected according to the input distance based on the distance input means for inputting the distance from the reference location to the destination and the distance from the reference location. Search within the allowable range, extract one or a plurality of candidate sites from the map database, and display the candidate site extraction means for displaying the extracted candidate sites on the screen of the image display device, and display on the screen of the image display device And candidate site specifying means for specifying a desired candidate site from one or a plurality of candidate sites.
[0008]
The route setting device according to the present invention includes a distance input unit, a candidate site extracting unit, a candidate site specifying unit, and a route setting unit for setting a route from the reference position to the candidate site specified by the candidate site specifying unit. It is prepared for.
[0009]
In the destination setting apparatus according to the present invention, when a distance of, for example, 100 km is input from a reference place (for example, the current position of the vehicle), the name of the prefecture corresponding to the distance is displayed as a menu.
Therefore, the destination can be set by designating a desired one from the candidates displayed on the menu.
For example, if a search target is specified as, for example, a ski resort and a distance of, for example, 10 km is input, a ski resort within 10 km can be extracted and the name of the ski resort can be displayed.
[0010]
The route setting device according to the present invention can set a route to the destination set by the destination setting device.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a block diagram of a navigation device provided with a destination setting device and a route setting device according to the present invention.
The navigation device 1 includes a map database 2, a host vehicle position detection device 3, an input operation unit 4, an image display device 5, and a control device 6.
[0012]
The map database 2 is composed of a CD-ROM (compact disc ROM) on which road map information is recorded and a reproducing device for the CD-ROM.
The map database 2 stores map data for generating road maps of various scales such as a wide area, a middle area, and details.
Map database 2 includes names of prefectures, cities, towns and villages, area data, name data of highways, national roads, local roads, etc., positions and attributes of major facilities, buildings, railways, rivers, lakes, etc. and display data ( Character data including Chinese characters), data related to traffic direction rules such as entry prohibition and right / left turn prohibition set for each intersection, and standard travel time data between major intersections in a predetermined database structure Pre-stored on the basis.
In addition, traffic direction rules such as entry prohibition and right / left turn prohibition are registered including the time when the rules are applied. In addition, in the winter season and the like, the sections that are prohibited from traffic are registered including the period data that can be accessed. The main facilities, buildings, etc. are classified in detail into ski resorts, golf courses, hotels and inns, shrines and temples, banks, schools, etc., and for example, only ski resorts can be extracted.
[0013]
The own vehicle position detection device 3 converts an azimuth signal from an azimuth sensor such as a gyroscope or a geomagnetic sensor, and a distance signal such as a pulse signal output at every predetermined unit mileage from a mileage sensor such as a wheel rotation sensor. GPS satellite by using a dead reckoning navigation device that sequentially calculates the position of the vehicle based on this and a GPS position measuring device that detects the position based on signals from a plurality of GPS satellites received by the GPS receiving antenna. Even if it is impossible to receive the radio wave from, the current position can be estimated.
[0014]
The own vehicle position detection device 3 reads a travel locus calculation means for obtaining a travel locus based on the vehicle position data sequentially output from the dead reckoning device, the travel locus data output from the travel locus calculation means, and the map database 2. A map matching means is provided for comparing the obtained road data and correcting the current position of the vehicle on the road by paying attention to a characteristic part of the traveling locus such as an intersection or a refraction point.
[0015]
The vehicle position detection control means in the vehicle position detection device 3 uses the position data output from the GPS position measurement device as the initial position or provisional position data when the current position (initial position) of the vehicle is not set. Is supplied to the dead reckoning navigation device and is output as own vehicle position data.
The vehicle position detection control means supplies the position correction data output from the map matching means to the dead reckoning device, corrects the current position data of the vehicle, and further outputs the latest vehicle sequentially output from the dead reckoning device. The position data is supplied to the control device 6 as own vehicle position data.
[0016]
When the vehicle position detection device 3 receives the data related to the intersection name and the intersection position transmitted from the roadside beacon device via the wireless communication means, the vehicle position detection device 3 is based on the received data related to the intersection name and the intersection position. The current position can be corrected.
[0017]
The input operation unit 4 includes a switch group disposed around the image display device 6 and a transparent touch panel switch disposed on the screen of the image display device 6.
A desired item can be selected in accordance with various menus displayed on the screen of the image display device 6, and the position can be specified by moving the cursor with respect to the map displayed on the screen.
By combining various menus displayed on the screen and the transparent touch panel switch, various input means such as a function selection means 4a, a search target designation means 4b, a distance input means 4c, a candidate location designation means 4d, and the like are configured. ing.
[0018]
The image display device 5 is configured using a CRT display device or a liquid crystal display device.
[0019]
The control device 6 controls the overall operation of the navigation device 1 and is configured using a microcomputer system.
The control device 6 includes a navigation control unit 7, a route setting unit 8, a candidate site extraction unit 9, and the like.
[0020]
The navigation control unit 7 displays a map including the vehicle position on the screen of the image display device 5 and displays a vehicle position mark including a traveling direction display of the vehicle on the map.
The navigation control means 7 displays the guidance route set by the route setting means 8 on a map, displays an image indicating the course change direction in front of the course change point based on the guidance route, and enlarges the intersection portion. A figure is displayed and route guidance is performed. The navigation control means 7 guides route guidance such as right turn and left turn by voice using a voice synthesizer (not shown).
[0021]
The route setting means 8 sets an optimum route from the current position of the vehicle to the destination when the destination is set.
The route setting means 8 sets a route to the destination via the waypoint when the waypoint is designated.
When the departure place is set, the route setting means 8 sets a route from the departure place to the destination.
[0022]
The candidate place extraction means 9 is activated when the function selection means 4a sets a setting mode for destinations, waypoints, etc. and a search mode for searching for leisure facilities, stations, and the like.
The candidate location extraction means 9 displays a search target selection menu for selecting a search target on the screen of the image display device 5, and displays an image of a numeric key for inputting a distance and a menu for selecting a reference location. It is displayed on the screen of the device 5.
[0023]
The candidate site extracting means 9 uses the current position of the vehicle (own vehicle position) as the reference location when the search target selection operation is not performed and only the distance is input without performing the selection operation of the reference location. A place name within a distance range input as a straight line distance from the place is extracted with reference to map data.
The candidate place extraction means 9 displays the extracted plurality of prefecture names on the screen of the image display device 5 when the extracted place names extend over a plurality of prefectures (prefectures).
[0024]
When any one of a plurality of prefecture names displayed on the screen by the candidate site designation unit 4d is specified, the candidate site extraction unit 9 displays a list of site names in the designated prefecture on the screen.
When a place name is designated based on the place name list, the candidate place extracting means 9 displays a map including the designated place name on the screen.
When a position is designated by a position designation cursor on this map display screen, the designated position is registered as a destination or a waypoint. Thereby, the destination and the waypoint are set.
[0025]
The candidate site extracting means 9 may display a map of the designated prefecture when the prefecture is designated.
In addition, when a prefecture is designated, the candidate place extracting means 9 may extract place names such as group municipalities that substantially correspond to the designated distance within the designated prefecture and display it on the screen.
[0026]
When the search target is specified, the candidate site extraction means 9 searches the map database 2 for a search target within the specified distance range from the vehicle position based on the input distance, and displays the name on the screen. To do.
For example, when a ski resort is specified as a search target and a distance of 10 km is specified, the candidate site extracting unit 9 extracts a ski resort within a range of approximately 10 km from the vehicle position, and extracts the ski resort Display a list of names on the screen.
When the user specifies a desired ski resort by operating the touch panel or by using the cursor, the candidate site extracting unit 9 registers the specified ski resort as a destination.
The candidate site extraction means 9 may display the name of the ski resort and its position on the map display screen.
[0027]
In the menu for selecting the reference location, selection items for destination, waypoint, and new setting are displayed in addition to the current location. The items of destination and waypoint are displayed when they are already set.
Therefore, if you want to eat in the vicinity of a stopover, set the reference stop as a stopover, specify a restaurant or meal as a search target, and set the distance from the stopover to 5 km, for example, and then start extraction By performing the above, it is possible to extract from the map database 2 and display the restaurant that meets the conditions desired by the user.
[0028]
When a new setting item is selected, the candidate site extraction unit 9 displays a wide area map including the vehicle position on the screen. If the map is scrolled or enlarged, a new map is displayed in response to those requests.
When an arbitrary point on the map is designated, the candidate place extraction means 9 registers the designated point as a reference place. And the candidate site extraction means 9 displays a screen for distance input.
[0029]
2 and 3 are explanatory diagrams showing screen display examples when setting a destination.
Now, it is assumed that a road map including the vehicle position J is displayed as shown in FIG. In this state, for example, when the menu button display position M arranged at the lower right of the screen is operated with the touch panel, the menu screen shown in FIG. 2B is displayed.
When the destination setting button display position M1 is operated with the touch panel on the menu display screen, the destination setting screen shown in FIG. 2C is displayed.
[0030]
On the destination setting screen, a distance can be input by touching a numeric key (numeric button). “C” in the numeric keys is a clear key, and “OK” is an enter (input completion) key.
Although the search target is not specified, the default setting is used. When the search target is specified, the key portion of “Specify” is touched.
The current position of the reference location is set as a default setting. When changing the reference location, the key portion of “New setting” is touched.
[0031]
For example, if the distance to the destination is specified as about 100 kilometers and the OK key in the number keys is touched, as shown in FIG. 3 (d), the prefecture name that meets the condition of about 100 kilometers from the current position of the vehicle is displayed. Is displayed.
[0032]
Candidate site extracting means 9, is relatively if long distance (e.g., 100 kilometers or more) is input, remembering the allowable range of about ± 25 percent relative to the input distance, so as to find the acceptable range ing.
Candidate site extracting means 9, when the medium range (e.g. several tens kilometers) is input, remembering the allowable range of about ± 10% with respect to the input distance, and so as to retrieve the allowable range .
The candidate site extraction means 9 searches the input distance range when a short distance (for example, several kilometers) is input. Furthermore, even if a medium distance or a long distance is set, if it is specified up to a unit of 1 kilometer such as 125 kilometers, an allowable range of about ± 5% is given to the specified distance, and the allowable range is set. The range is searched.
[0033]
When a desired prefecture name is designated on the prefecture name display screen shown in FIG. 3D, place names in the designated prefecture are displayed as shown in FIG. Then, the destination is set by operating the OK key after designating the place name as the destination.
In addition, when the map display key is operated after designating the place name which is the destination, a detailed map including the designated place name is displayed. Then, the destination can be specified on the detailed map.
[0034]
FIG. 4 is an explanatory diagram showing a screen display example when performing a search.
When a search is designated on the menu display screen shown in FIG. 2B, a search menu shown in FIG. 4A is displayed.
Note that the search menu shown in FIG. 4A is also displayed when “Specify” is selected for the search target on the destination setting screen shown in FIG.
[0035]
When the search target is specified in accordance with the search menu, a distance input and reference location setting screen is displayed as shown in FIG.
Here, for example, when the reference destination is set as the destination, the distance from the destination to the search target (for example, ski resort) is specified as 20 km, and the OK key is operated, as shown in FIG. In addition, a search target (ski resort) that meets the conditions is displayed on the screen.
When a specific one is selected from the search results, a map including the selected search target (ski resort) and the destination is displayed.
[0036]
Here, the route setting means 8 sets a route from the destination specified as the reference location to the specified search target (ski resort), and displays the set route on the map. When a meal location such as a restaurant is searched using the current position of the vehicle (vehicle position) as a reference location, and a desired restaurant is specified from the search result, the route setting means 8 reaches from the vehicle position to the specified restaurant. Display the route on the map. If a map display key is operated in a state where a plurality of search results are displayed, a map including a plurality of search results (ski resorts) is displayed.
[0037]
As described above, the vehicle-mounted navigation device 1 including the destination setting device and the route setting device according to the present invention has been exemplified. However, the destination setting device and the route setting device according to the present invention are also used when making a travel plan. be able to.
[0038]
【The invention's effect】
As described above, the destination setting device according to the present invention designates the distance from the reference place, extracts the candidate places within the designated distance range, displays them, and selects from the extracted candidate places. Since a desired destination can be selected, the destination can be set with a small number of operations.
[0039]
The route setting device according to the present invention can set a route to the destination set by the destination setting device.
[Brief description of the drawings]
FIG. 1 is a simplified block diagram of a navigation device provided with a destination setting device and a route setting device according to the present invention. FIG. 2 is an explanatory diagram showing a screen display example when setting a destination (part 1).
FIG. 3 is an explanatory view showing a screen display example when setting a destination (part 2)
FIG. 4 is an explanatory diagram showing a screen display example when performing a search.
DESCRIPTION OF SYMBOLS 1 ... Navigation apparatus, 2 ... Map database, 3 ... Own vehicle position detection apparatus, 4 ... Input operation part, 4a ... Function selection means, 4b ... Search target designation means, 4c ... Distance input means, 4d ... Candidate place designation means, DESCRIPTION OF SYMBOLS 5 ... Image display apparatus, 6 ... Control apparatus, 7 ... Navigation control means, 8 ... Route setting means, 9 ... Candidate site extraction means.

Claims (2)

An image display device for displaying characters, images, etc .;
A map database storing computerized map information;
Distance input means for inputting the distance from the reference position to the destination;
Based on the distance input by the distance input means , search within the allowable range selected according to the input distance, extract one or more candidate sites from the map database, and extract the extracted candidate sites Candidate site extracting means for displaying on the screen of the image display device;
Candidate site designation means for designating a desired candidate site from one or more candidate sites displayed on the screen of the image display device;
A destination setting device comprising: An image display device for displaying characters, images, etc .;
A map database storing computerized map information;
Distance input means for inputting the distance from the reference position;
Based on the distance from the reference position input by the distance input means , search within the allowable range selected according to the input distance, extract one or more candidate sites from the map database, and extract Candidate site extracting means for displaying the candidate site on the screen of the image display device;
Candidate site designation means for designating a desired candidate site from one or more candidate sites displayed on the screen of the image display device;
Route setting means for setting a route from the reference position to the candidate location specified by the candidate location specifying means;
A route setting device comprising:

Images