JP3545902B2 - Navigation device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention provides a function for searching for a route between designated points on a map displayed as an image and registering the searched route, and a function for registering the name of the designated point on a map displayed as an image. The present invention relates to a navigation device including:
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a navigation device has a function of searching in advance for an optimal route for traveling between designated points, registering a search result as a guidance route, and guiding a vehicle along the registered guidance route. Is provided. When multiple guidance routes can be registered, the registered contents may be displayed or edited by the name of the point such as the departure point, destination point, or intermediate point of the guidance route. is there. As the name of the point, a name such as a place name included in the map data is automatically registered when specifying the point.
[0003]
Some navigation devices have a function of registering information including a name as a memory location for a location designated by the user in order to improve user friendliness and friendliness. For example, the home is a place that is particularly meaningful for the user, and a name such as “my home” should be easier to understand and approach than a place name such as “A city B town” obtained from map data. Therefore, if the name of a specific point can be changed for the user, the navigation device becomes easy to use and familiar, and the usefulness increases.
[0004]
[Problems to be solved by the invention]
Even if a conventional navigation device has a function that can register information including the name of a point, there is no relationship with the function to specify a point for route search, and each is registered separately. are doing. For the user of the navigation device, there is a high possibility that one of the departure point and the destination point in the guidance route registered in the route registration unit is a special point for the user, such as “my home”. It is highly likely that such a point has already been registered by the point registration means. Even if such a point is designated at the time of a route search and the searched guidance route is registered, the name of a place, such as a surrounding place name included in the map data, is registered.
[0005]
An object of the present invention is to perform a route search between designated points and register a searched guidance route, and a function of registering information including a name by designating a point. It is an object of the present invention to provide a navigation device which can adjust between the two functions to unify the names of the points changed by the user.
[0006]
[Means for Solving the Problems]
The present invention provides a route registration unit that registers a route search of a designated route search designated point together with a designated name of the route search designated point,
Display means for displaying a map based on the map data;
Point registration means for specifying a registration point and registering information together with a registration name for the registration point;
When the designated point for route search registered by the route registration means and the registered point registered by the point registration means are within a certain range, one of the names of the designated point for route search or the name of the registered point And a name management means for changing and registering the other name to match the one name when the name is changed.
According to the present invention, when the name of the designated point for route search registered along with the route search by the route registration unit and the registered point where the information is registered together with the registered name in the point registration unit are within a certain range, one of them is changed. Then, the name is changed and registered by the name management means so that the other name also matches. When the name is changed to a name that is more friendly than the name included in the map data, the other name is also changed, so that the navigation device can be made easier for the user to understand and approach.
The present invention further provides a route registration unit that registers a route search of the designated route search designated point together with a designated name of the route search designated point,
Display means for displaying a map based on the map data;
Point registration means for specifying a registration point and registering information together with a registration name for the registration point;
When registering a registration point by the point registration means, when the designated point for route search registered by the route registration means and the registration point to be registered in the point registration means are within a certain range, the point registration is performed. And a name management means for registering the name of the registered point registered by the means as the name of the designated point for route search registered in the route registration means.
According to the present invention, the name of the designated point for route search registered by the route registration means together with the route search is changed when the designated point for route search and the registered point registered in the point registration means are within a certain range. When the designated point for route search is registered in the route registration means, the name of the registered point registered by the point registration means is used as the name of the designated point for route search registered in the route registration means by the name management means. register. If the name is changed to a name that is more familiar than the name included in the map data and registered in the point registration unit, the name of the designated point for route search specified by the route registration unit is similarly changed. Therefore, the navigation device can be easily understood and approached by the user.
[0007]
Also, in the present invention, when registering the designated point for route search, the designated name for route search registered in the route registration means and registered in the point registration means within the certain range. When there are a plurality of registered points, the name of the closest registered point is registered as the name of the designated point for route search registered in the route registering means.
According to the present invention, it is possible to designate a point within a certain range from a registered point already registered in the point registration means, and to select it as a designated point for route search for registering a route search in the route registration means. This can be easily performed, and the content registered in the point registration means can be used as it is as the name.
[0008]
Further, the present invention provides a cursor display for changing a cursor shape to a shape different from other positions and displaying the cursor when the cursor is located within a predetermined distance from the registered point registered in the point registration means. With means,
The name management means registers the name of a point registered in the point registration means in the route registration means when registering the designated point for route search when the cursor shape is changing. It is registered as the name of the designated point for route search.
According to the present invention, when the cursor approaches the registration point registered in the point registration unit, the shape of the cursor changes from the shape of the other position, and thus the cursor approaches the registration point registered in the point registration unit. This can be displayed clearly. It is also understood that if the shape of the cursor is changed, if a designated point for route search for route search is specified, the point can be specified by the name of the registered point registered in the point registration means. It can be displayed easily.
[0009]
Further, the present invention includes a name editing means for editing the name of the designated point for route search,
The name management means edits the name of the closest registered point registered in the point registration means within a predetermined distance from a designated point at which the name is edited by the name editing means. It is characterized by changing to a name.
According to the present invention, the name of the designated point for route search registered in the route registration unit can be edited by the name editing unit. As a result, the name can be changed to a name that is more familiar or easier to understand than the registered name. Also, when the name of the designated point for route search is changed by the name editing means, the name management means registers the point in the point registration means as the closest point within a predetermined distance from the designated point for route search to be changed. Since the name of the registered point is changed so as to match the edited name, the name of the registered point of the point registration means can be simultaneously changed only by changing the place name.
[0010]
Further, the present invention further comprises an input unit for stopping an operation of matching the name of a point registered in the point registration unit by the name management unit with a designated point for route search registered in the route registration unit. Features.
According to the present invention, the name management means can stop the operation of changing one name to the other name by the input means, so that the name used by the user in the route search function and the name used in the point registration function are different. When it is considered preferable not to unify the names, the operation of the name management means can be stopped.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 shows a schematic electrical configuration of hardware of a navigation device according to an embodiment of the present invention. The operation keys 1 are provided for designating operations and inputting data to the navigation device. The input from the operation keys 1 is given to the central processing means 2, and a process for traveling guidance of the vehicle is performed with reference to the map data stored in the map storage device 3. The main memory 4 includes a ROM in which programs for the central processing unit 2 to perform various processes as a navigation device are created and stored in advance, and a RAM for temporarily storing data during the program operation. Is included. The central processing means 2 displays the map data obtained from the map storage device 3 on the display device 6 via the image output driving means 5 as an image. The display device 6 is realized by, for example, a liquid crystal display device (LCD) or a cathode ray tube (CRT), displays a road map, displays a cursor according to an operation from the operation key 1, and moves the position. You can also. The central processing unit 2 can also notify the user of information for route guidance using a voice from the voice output device 8 via the voice output driving unit 7. While the vehicle is running, it is difficult for the driver of the vehicle to sufficiently see the display device 6, and it may be preferable to notify the guidance such as the intersection and the traffic information by voice.
[0012]
The central processing means 2 and the map storage device 3 are connected by a communication bus 9. Via the communication bus 9, a current position detecting device 10 and a road information storage device 12 for storing information from the road information receiving device 11 are further connected. The road information receiving device 11 receives traffic information on traffic jams and regulations provided by a road traffic information service such as VICS. In the map storage device 3, map data read by a decoder 14 is transmitted from a processing unit 15 to a central processing unit 2 via a communication bus 9 from a CD-ROM disk 13 which is a storage medium storing map data. You.
[0013]
In the current position detecting device 10, processing means 16, geomagnetic sensor 17, analog / digital conversion means (hereinafter abbreviated as "A / D") 18, gyro sensor 19, A / D 20, wheel speed sensor 21, pulse It includes a counter 22, a backgear signal generating means 23, a GPS antenna 24, and a GPS receiver 25. The geomagnetic sensor 17 absolutely detects the traveling direction of the vehicle based on geomagnetism. The gyro sensor 19 detects an angular velocity associated with a change in the traveling direction of the vehicle. The wheel speed sensor 21 generates a wheel speed pulse corresponding to the traveling speed of the vehicle. The reverse gear signal generating means 23 generates a reverse gear signal when the vehicle is moving backward. The processing unit 16 detects the traveling direction of the vehicle or a change thereof based on signals from the terrestrial magnetism sensor 17, the gyro sensor 19, and the reverse gear signal generation unit 23, and counts wheel speed pulses from the wheel speed sensor 21 with the pulse counter 22. The running distance of the vehicle is detected based on the output. The relative current position of the vehicle can be detected from the traveling direction and the traveling distance. In addition, based on radio waves from a plurality of GPS satellites received by the GPS antenna 24, the GPS receiver 25 can detect the current position of the vehicle as absolute coordinates and also detect the current time. The relative current position calculated by the processing means 16 or the absolute current position detected by the GPS receiver 25 is transmitted to the central processing means 2 via the communication bus 9.
[0014]
FIG. 2 shows a system configuration of a navigation device equivalently realized based on the hardware configuration of FIG. From an input device realized by the operation key 1, an input for designating a point where a route search is to be performed is given to the route search means 26. The route searching means searches for the optimal route between the input points based on the map data from the map storage device 3. The starting point determining means 27 determines a starting point at which the pseudo running coordinate generating means 28 generates a vehicle position in a simulated manner and starts a drive simulation function of providing a driving guide along the running route searched by the route searching means 26. I do. In the drive simulation function, the drive simulation is not always started from a point designated as a starting point, but can be started from an intermediate point. In the drive simulation function, the route guidance unit 29 performs route guidance while displaying a map around the traveling coordinates on the display device 6 based on the traveling coordinates generated by the pseudo traveling coordinate generating unit 28. When the vehicle actually travels, travel guidance is performed based on the current position detected by the current position detection device 10. The guide route obtained as a result of the search by the route search unit 26 is registered in the route registration unit 30 as a guide route. The function of registering a specific point as a memory point based on the map data displayed on the display device 6 is realized by the point registration unit 31. The name of the designated point registered in the route registration means 30 and the name of the information of the memory points registered in the point registration means 31 are managed by the name management means 32. If one is corrected, the other is automatically It becomes possible to correct it. The route searching means 26, the starting point determining means 27, the pseudo traveling coordinate generating means 28, the route guiding means 29, the route registering means 30, the point registering means 31, and the name managing means 32 are operated by the program operation of the central processing means 2 in FIG. Is achieved.
[0015]
FIG. 3A shows a state in which a map is displayed on the display screen of the display device 6 in FIG. The cursor 40 is displayed by operating the operation key 1 in FIG. 1 and can be moved on the screen. The names 41a and 42a of the points 41 and 42 on the screen are stored in the CD-ROM disc 13 as data as shown in FIG. That is, the coordinates and their names are stored. The names of the memory points registered in the RAM of the main memory 4 by the point registration means 31 in FIG. 2 are also stored in the same manner as in FIG. 3B.
[0016]
FIG. 4 shows, as an embodiment of the present invention, a process of storing the name of a point in the RAM in the main memory 4 by the route registration unit 30 when the route search unit 26 of FIG. The process is started from step a1, and a route search point registration button included in the operation key 1 is operated in step a2. In step a3, registered coordinates are acquired from the position of the cursor at that time. In step a4, a distance is calculated between the registered coordinates and the coordinates of the memory point which is the point registered by the point registration means 31, and it is determined whether or not the nearest memory point is within a certain range. If it is not within the predetermined range, the name of the surrounding place as shown in FIG. 3A included as the map data is registered as the name of the route search point in step a5. When it is determined that the nearest memory point is included in the certain range, the name of the nearest memory point is registered as a route search point name in step a6. When step a5 or step a6 ends, the process ends in step a7.
[0017]
FIG. 5 shows a screen of the display device 6 according to another embodiment of the present invention. In the present embodiment, the registration point icon 50 is displayed at the memory point, and when the cursor 40 approaches the effective range 51 which is a fixed range, the shape of the cursor changes to, for example, a change cursor 52 indicated by a finger. It is displayed that it is within the effective range 51 so as to be easily understood. An information icon 53 is displayed on this screen, and indicates that information registered in advance, for example, guidance information of a restaurant or the like, traffic information, or the like is stored in the information icon 53. When the cursor 40 is moved to the position of the information icon 53 and an operation such as a click for extracting information is performed from the operation key 1, related information can be displayed on the screen. The shape of the cursor 40 and the change cursor 52 can be other shapes.
[0018]
FIG. 6 shows a process of the embodiment for changing the shape of the cursor as shown in FIG. The process starts from step b1, and a route search point registration button operation is performed in step b2. In step b3, it is determined whether the cursor position is around the memory point and the cursor shape is a finger mark. If it is determined that it is not, the surrounding place name is registered as the route search point name in step b4. If it is determined that the finger mark is set, the name of the memory point to be finger-marked (edited) is registered as a route search point name in step b5. When step b4 or step b5 ends, the process ends in step b6.
[0019]
FIG. 7 shows that, as still another embodiment of the present invention, once a name registered as a point registration name is edited, the registration name of the start point of the route search close to the registration point is automatically changed. Indicates the status. (A) shows the contents of the route registration displayed by the editing function. When the place name "A city B town" registered as the start point is selected as shown in (b) and edited as "my house" as shown in (c), it becomes (d) As shown, the name of the point of the cursor 40 on the map is “A city”, whereas the stored content of the start point icon 60 is “my house”.
[0020]
FIG. 8 shows a state where the name of the point registration is corrected to “my house” when “my house” is changed by editing while “A city B town” is registered as the start point of the guide route. Is shown. As shown in FIG. 8A, when the cursor 40 indicates the position of the start point icon 60, the icon of the normal cursor 40 is displayed when this point is not registered. A cursor 52 is displayed. When the registered name of the start point is edited from “A city B town” to “my house” and corrected, the registered point name is also corrected to “my house” as shown in FIG. 8B.
[0021]
FIG. 9 shows, as still another embodiment of the present invention, an operation when designating in advance whether or not to automatically set a name of a peripheral memory point as a name at the time of guidance route registration. The operation starts from step c1, and a route search point registration button is operated from the operation key 1 in step c2. In step c3, the coordinates to be registered as the point are obtained. In step c4, it is determined whether or not the names of the peripheral memory points are automatically set. If it is specified from the operation key 1 that automatic setting is not to be performed, the peripheral name is registered as a route search point name in step c5. If the setting is made to be automatically set by the operation key 1, the name of the peripheral memory point is registered as a route search point name in step c6. When the processing in step c5 or step c6 ends, the operation ends in step c7.
[0022]
【The invention's effect】
As described above, according to the present invention, the name of the designated point for route search specified when performing a route search and the name included in the information registered for the registered point are set such that the point of both functions is within a certain range. If there is, it can be unified by the name management means, so the name of the registered point can be changed from a general place name included in the map data to the name intended by the user, and the user can navigate The device can be made easier to use and approach.
Furthermore, according to the present invention, when the designated point for route search specified when performing the route search is within a certain range from the registered point registered in the point registration means, the name of the designated point for route search is Since the registration is performed using the registered name registered together with the registered point, the name of the point can be unified, and the name of the registered point registered in the point registration means can be changed from a general place name included in the map data to the user's name. The name can be changed to an intended name, and the user can use the navigation device more easily and more easily.
[0023]
Further, according to the present invention, a plurality of route searches are registered by registering the name of a designated point for route search designated for route search once as the name of a specific registered point in the point registration means. In this case, it is possible to easily designate the designated point for route search, and to use a friendly place name in the registered route search.
[0024]
Further, according to the present invention, it is possible to use the name registered in the point registration means from the change in the shape of the cursor as the name of the designated point for route search specified for registering the route search in the path registration means. The displayed state is clearly displayed. Further, when a plurality of registered points are registered in the point registering means, which registered point is displayed in an easily understandable manner, the convenience of the navigation device can be improved.
[0025]
Further, according to the present invention, it is specified from the input means whether or not the name registered in the point registration means is also used as the name of the designated point for route search specified when registering the route search by the route registration means. Therefore, the function can be easily switched according to the user's intention.
[0026]
According to the present invention, if the name of the designated point for route search registered in the route registration means is edited, the name of the corresponding registered point is automatically corrected by the point registration means. The names of the locations can be matched without modifying the registered contents.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating a schematic electrical configuration of hardware according to an embodiment of the present invention.
FIG. 2 is a block diagram showing a schematic system configuration of the embodiment of FIG. 1;
FIG. 3 is a diagram showing a data format of a location name of map data stored in a map storage device 3 in the embodiment of FIG. 1;
FIG. 4 is a flowchart showing a name acquisition process when registering a route point in the embodiment of FIG. 1;
FIG. 5 is a diagram showing a screen for displaying whether or not a cursor is within a memory point range according to a change in the shape of a cursor according to another embodiment of the present invention.
FIG. 6 is a flowchart showing a process for performing the display of FIG. 5;
FIG. 7 is a diagram showing a change in data registration contents and a screen according to an operation of still another embodiment of the present invention.
FIG. 8 is a diagram showing a screen and a change in registered contents according to an operation of still another embodiment of the present invention.
FIG. 9 is a flowchart showing an operation of still another embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Operation key 2 Central processing means 3 Map storage device 4 Main memory 5 Image output driving means 6 Display device 9 Communication bus 10 Current position detecting device 11 Road information receiving device 13 CD-ROM disks 15, 16 Processing means 25 GPS receiver 26 Route Searching means 29 Route guidance means 30 Route registration means 31 Location registration means 32 Name management means 40 Cursors 41, 42 Location names 50 Registration location icons 51 Effective range 52 Change cursor 60 Start location icons

Claims (6)

Route registration means for registering a route search of a designated route search designated point together with a designated name of the route search designated point;
Display means for displaying a map based on the map data;
Point registration means for specifying a registration point and registering information together with a registration name for the registration point;
When the designated point for route search registered by the route registration means and the registered point registered by the point registration means are within a certain range, one of the names of the designated point for route search or the name of the registered point A name management means for changing and registering the other name so that the other name matches the one name when the name is changed. Route registration means for registering a route search of a designated route search designated point together with a designated name of the route search designated point;
Display means for displaying a map based on the map data;
Point registration means for specifying a registration point and registering information together with a registration name for the registration point;
When registering a registration point by the point registration means, when the designated point for route search registered by the route registration means and the registration point to be registered in the point registration means are within a certain range, the point registration is performed. A name management means for registering the name of the registered point registered by the means as the name of the designated point for route search registered in the route registration means. When registering the designated point for route search, the name management means includes, within the fixed range, a designated point for route search registered in the route registration means, and a plurality of registered points registered in the point registration means. 3. The navigation device according to claim 1, wherein when there is a name, a name of a closest registered point is registered as a name of a designated point for route search registered in the route registering means. When the cursor is located within a range of a predetermined distance from the registration point registered in the point registration means, the cursor registration means for changing the shape of the cursor to a shape different from other positions and displaying the cursor,
The name management means registers the name of a point registered in the point registration means in the route registration means when registering the designated point for route search when the cursor shape is changing. The navigation device according to any one of claims 1 to 3, wherein the navigation device is registered as a name of a designated point for route search. A name editing means for editing the name of the designated point for the route search,
The name management means edits the name of the closest registered point registered in the point registration means within a predetermined distance from a designated point at which the name is edited by the name editing means. The navigation device according to any one of claims 1 to 4, wherein the navigation device is changed to a name. An input unit for stopping an operation of matching the name of a point registered in the point registration unit by the name management unit with a designated point for route search registered in the route registration unit. The navigation device according to any one of claims 1 to 5.

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