JP2002062153A - Route guidance device - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a car navigation device with a route including a via point matching a user's desired condition. SOLUTION: A condition input means 5 inputs a destination, a facility type to be passed, and a desired transit time. Using the route network data stored in the map information storage unit 6, the information search unit 2 searches the route network from the current position in order, and obtains all the facilities of the type substantially corresponding to the condition. Calculate the time required for the route to each facility. The facility that can arrive at the time closest to the desired transit time is selected as the transit point. The route search means 7 performs a route search from the waypoint to the destination. The route guide means 3 guides the user to the waypoint and the destination.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a route guidance device (navigation device), and more particularly, to searching for a route to a destination and displaying it together with a current position on a map of a display device of a terminal mounted on an automobile. The present invention relates to a route guidance device.

[0002]

2. Description of the Related Art Conventionally, as a route guidance device for searching for a route to a destination and displaying the searched route on a display device, a "navigation device" disclosed in Japanese Patent Application Laid-Open No. 10-26536 is known.
It has been known.

FIG. 7 is a functional block diagram showing a configuration of a conventional navigation device. In FIG. 7, a display unit 1 is a unit for displaying a map, a route, or facility information. The information search means 2 is a means for searching for necessary information from map information according to search conditions. The route guidance unit 3 is a unit that performs route guidance according to the route obtained by the route search unit 7. The current position calculation means 4
This is a means for calculating the current position based on data such as GPS. The condition input unit 5 is a unit for inputting a condition for performing a search. The map information storage means 6 is means for storing map information. The route search means 7 is a means for performing a route search process at the set departure place and destination. The GPS antenna 8 is an antenna that receives a radio wave from a GPS satellite. The break setting means 14 is a means for setting a break point, a break interval, and the like.

[0004] The operation of the navigation device configured as described above will be described. The map information is acquired from the map information storage means 6 for an arbitrary destination given by the condition input means 5. The break setting means 14 selects a break point and sets the time of the break interval. In the route search means 7,
A route search to the destination is performed based on the road data. The route guidance means 3 provides voice guidance along the route.

[0005] As described above, in the conventional navigation device, the user can be guided to a desired destination and a waypoint according to a rest condition set by the user in advance.

[0006]

However, in the conventional navigation apparatus described above, a break point at a predetermined time interval is required. However, when a desired arrival time is required to pass through a desired facility or at a desired mileage, a desired break point is required. When it is desired to pass through a facility, there is a problem that an appropriate facility search cannot be performed according to the time or the traveling distance.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned conventional problems and to provide a route guidance apparatus that can guide a user to an appropriate waypoint that meets a condition desired by the user.

[0008]

In order to solve the above-mentioned problems, according to the present invention, a route guidance device is provided with a map information storage means in which display data, route search route network data, and facility information are recorded. A current position calculating means for calculating a current position of the apparatus, a route search means for searching for a route according to a search condition using route search route network data, a peripheral map and a current position read from the map information storage means. Display means for displaying a route, route guidance means for providing route guidance based on the route, condition input means for inputting search conditions for facilities near the route, and information for searching for a facility that best matches the search conditions And a search unit. With this configuration, it is possible to search for a facility corresponding to a condition desired by the user and to guide a route passing through the facility.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to FIGS.

(First Embodiment) In a first embodiment of the present invention, an optimum transit point is searched for on the basis of a transit time, a traveling distance, and a facility type, and the destination is passed through the transit point. Is a route guidance device that guides a route.

FIG. 1 is a functional block diagram of a route guidance device according to a first embodiment of the present invention. In FIG. 1, a route guidance device includes a display unit 1 and an information search unit 2
And route guidance means 3, current position calculation means 4, condition input means 5, map information storage means 6, and route search means 7.

The display means 1 is a means for displaying a route search result. The information search means 2 is a means for searching for facility information in a map according to conditions set by the user. The route guidance unit 3 is a unit that creates guidance information to a destination based on a route search result. The current position calculation means 4
This is a means for calculating the current position based on the GPS signal received from the antenna 8. The condition input unit 5 is a unit for inputting a destination, a search condition, and a route facility condition. The map information storage means 6 is a means for storing a map for display and route search. The route search means 7 is a means for performing a search based on a destination and search conditions to obtain an optimal route.

The operation of the route guidance apparatus according to the first embodiment of the present invention configured as described above will be described. The destination is input by the condition input means 5. Using the route network data stored in the map information storage means 6, the route search means 7 searches for a route from the current position to the destination, and finds a combination of routes that provides the shortest travel time.
The current position calculation means 4 calculates the current position as needed based on the GPS signal received from the antenna 8. Up to this point, it is the same as the conventional route guidance device.

A case where a transit time and a facility type are input as conditions will be described. With the condition inputting means 5, a desired transit time and a facility type to be transited are inputted, such as "12:00 ramen shop". The information search means 2 searches the route network from the current position in order, and finds all facilities that substantially meet the conditions. The required time of the route to the facility is calculated respectively. The facility closest to the desired transit time is selected as the transit point. Using the obtained transit point, the route search means 7 finds an optimal route from the current position to the destination via the transit point. The route guidance means 3 guides the user to the destination.

A case where a traveling distance and a facility type are input as conditions will be described. By the condition input means 5, "200km
Enter the desired travel distance and the type of facility you want to go through, such as "Noodle shop near the location where you traveled." The information search means 2 searches the route network from the current position in order, and finds all facilities that substantially meet the conditions. The required travel distance of the route to the facility is calculated. The facility closest to the desired travel distance is selected as the waypoint. Using the obtained transit point, the route search means 7 determines an optimal route from the current position to the destination via the transit point. The route guidance means 3 guides the user to the destination.

As described above, in the first embodiment of the present invention, the route guidance device searches for an optimal transit point on the condition of the transit time, the traveling distance, and the facility type, and passes through the transit point. Since the route to the ground is provided, the user can search for the desired waypoint and guide the user to the desired waypoint.

(Second Embodiment) A second embodiment of the present invention is a route guidance device that acquires information on the degree of congestion of a road from a traffic information providing system and calculates travel time.

FIG. 2 is a functional block diagram of a route guidance device according to a second embodiment of the present invention. In FIG. 2, the external road information acquisition means 9 is a VICS (registered trademark).
This is a means for acquiring information on the degree of congestion of a road from a traffic information providing system such as a TV or FM multiplex broadcasting, and calculating a travel time more accurately. Other configurations are the same as those of the first embodiment shown in FIG.

The operation of the route guidance apparatus according to the second embodiment of the present invention configured as described above will be described. The external road information obtaining means 9 receives the VICS information and obtains an accurate travel time of a congested point. The search is performed using the acquired travel time information instead of the travel time information stored in the map information storage unit 6. Therefore, a more accurate required time can be obtained. Other operations are the same as in the first embodiment.

As described above, in the second embodiment of the present invention, the route guidance device is configured to acquire information on the degree of congestion of the road from the traffic information providing system and calculate the travel time. In addition, a desired route search can be more accurately performed with respect to a desired transit time set by the user.

(Third Embodiment) In a third embodiment of the present invention, information such as the degree of congestion of a facility and business hours is acquired from a traffic information providing system, and a more detailed facility search is performed. It is a guide device.

FIG. 3 is a functional block diagram of a route guidance device according to a third embodiment of the present invention. In FIG. 3, an external facility information acquiring means 10 is a means for acquiring information such as the degree of congestion of a facility and business hours from a traffic information providing system such as VICS or FM multiplex broadcasting, and performing a more detailed facility search. Other configurations are the same as those of the second embodiment shown in FIG.

The operation of the route guidance apparatus according to the third embodiment of the present invention configured as described above will be described. The external facility information acquiring means 10 receives the VICS information and acquires business information, congestion information, fee information, and the like at the time of arrival of the facility to be searched. The facility is searched by the acquired facility information instead of the facility information held by the map information storage means 6. Therefore, an accurate facility search can be performed, and a facility search in consideration of the business hours, congestion status, and the like of the facility specified by the user can be performed. Other operations are the same as those of the second embodiment.

As described above, in the third embodiment of the present invention, the route guidance device acquires information such as the degree of congestion of a facility and business hours from the traffic information providing system, and performs a more detailed facility search. Since the configuration is performed, it is possible to more accurately perform a desired facility search with respect to the facility search conditions set by the user.

(Fourth Embodiment) A fourth embodiment of the present invention is a route guidance apparatus for automatically making a call to a passing facility by a mobile phone to make a reservation or order to the facility.

FIG. 4 is a functional block diagram of a route guidance device according to a fourth embodiment of the present invention. In FIG. 4, an external communication unit 11 is a wireless communication unit such as a mobile phone having a unit for automatically transmitting a search result to a facility. Other configurations are the same as those of the third embodiment shown in FIG.

The operation of the route guidance apparatus according to the fourth embodiment of the present invention configured as described above will be described. When the optimum transit facility is selected by the information search means 2,
The telephone number of the facility is obtained from the stored information. By simply pressing the call button, a call can be made to the facility using the external communication means 11. Therefore, when a transit facility is determined, reservations and orders can be immediately transmitted. Other operations are the same as in the third embodiment.

As described above, in the fourth embodiment of the present invention, the route guide device is configured to automatically make a call to a facility to be passed by a mobile phone to make a reservation or order to the facility. After searching for the facility to be routed, the facility can be contacted immediately to make a reservation or order, and the reservation or order can be made more reliably and quickly than when it arrives at the facility.

(Fifth Embodiment) In a fifth embodiment of the present invention, facility information, road information, and route information are acquired in a storage medium using an arbitrary information terminal, and the storage medium is used. Is a route guidance device that is used by mounting the device.

FIG. 5 is a functional block diagram of a route guidance device according to a fifth embodiment of the present invention. In FIG. 5, a storage medium 13 is a detachable storage unit that stores route information, guidance information, and facility information to a destination using a magnetic storage medium, a memory card, or the like. The storage information acquisition unit 12 is a unit that reads storage information from the storage medium 13. Other configurations are the same as those of the fourth embodiment shown in FIG.

The operation of the route guidance apparatus according to the fifth embodiment of the present invention configured as described above will be described. Using a personal computer at home, facility information, road information, and route information obtained from the Internet or the like are stored in the storage medium 13. Using the stored information acquisition means 12 of the route guidance device, facility information is taken into the route guidance device. Other operations are the fourth
This is the same as the embodiment.

As described above, in the fifth embodiment of the present invention, the route guidance device is obtained by acquiring facility information, road information, and route information in a storage medium using an arbitrary information terminal.
Since the storage medium is mounted and used, the time required for the route guidance device to acquire external information can be reduced, and even when the user gets on another vehicle having a similar route guidance device, The same information can be shared.

(Sixth Embodiment) In a sixth embodiment of the present invention, facility information, road information and route information are obtained in a non-contact storage medium, and the information is read from the storage medium. This is a route guidance device to be used.

FIG. 6 is a functional block diagram of a route guidance device according to a sixth embodiment of the present invention. In FIG. 6, a storage information acquisition unit 12 is a unit that wirelessly reads information from a storage medium 13 in a non-contact manner. The storage medium 13 is a storage unit that wirelessly sends and receives data to and from the storage information acquisition unit 12 in a non-contact manner. Other configurations are similar to those of the fifth embodiment shown in FIG.
This is the same as the embodiment.

The operation of the route guidance apparatus according to the sixth embodiment of the present invention will be described. An arbitrary information terminal records facility information and road information in the storage medium 13. The storage information obtaining means 12 transmits and receives the storage information wirelessly. There is no need to prepare contact type terminals such as slots in the route guidance device. Other operations are the fifth
This is the same as the embodiment.

As described above, in the sixth embodiment of the present invention, the route guidance device is configured to transmit and receive information wirelessly between the storage medium and the route guidance device. There is no need to attach it to the guide device itself,
An information transmission / reception error due to poor contact of the terminal can be eliminated.

[0037]

As is apparent from the above description, according to the present invention, it is possible to search for a facility corresponding to the condition desired by the user and to guide the route through the facility.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of a route guidance device according to a first embodiment of the present invention;

FIG. 2 is a functional block diagram of a route guidance device according to a second embodiment of the present invention;

FIG. 3 is a functional block diagram of a route guidance device according to a third embodiment of the present invention;

FIG. 4 is a functional block diagram of a route guidance device according to a fourth embodiment of the present invention;

FIG. 5 is a functional block diagram of a route guidance device according to a fifth embodiment of the present invention;

FIG. 6 is a functional block diagram of a route guidance device according to a sixth embodiment of the present invention;

FIG. 7 is a functional block diagram of a conventional navigation device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Display means 2 Information search means 3 Route guidance means 4 Current position calculation means 5 Condition input means 6 Map information storage means 7 Route search means 8 GPS receiving antenna 9 External road information acquisition means 10 External facility information acquisition means 11 External communication means 12 Storage information acquisition means 13 Storage medium 14 Break setting means

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G08G 1/0969 G08G 1/0969 G09B 29/00 G09B 29/00 A 29/10 29/10 A F term ( Reference) 2C032 HB05 HB25 HC08 HD16 HD24 2F029 AA02 AB07 AB13 AC02 AC06 AC09 AC14 5B049 BB31 CC02 DD01 DD04 DD05 EE01 EE05 EE07 FF04 FF08 FF09 GG02 GG03 GG04 GG07 5B075 KK03 P23 KK23 ND07 KK23 KK13 ND07 AA01 BB02 BB04 BB05 FF05 FF10 FF12 FF13 FF22 FF27 FF32

Claims (8)

[Claims] 1. A map information storage unit in which display data, route search route network data, and facility information are recorded, a current position calculation unit that calculates a current position of the device, and a route search route network data. Route search means for searching for a route in accordance with a search condition by using the display information, display means for displaying the surrounding map read from the map information storage means, the current position and the route, and providing route guidance based on the route. A route guidance apparatus comprising: route guidance means; condition input means for inputting search conditions for facilities near the route; and information search means for searching for a facility that best meets the search conditions. 2. The route guidance apparatus according to claim 1, wherein said condition input means includes means for inputting a facility type and an arrival time at the facility as said search condition. 3. The route guidance apparatus according to claim 1, wherein said condition input means includes means for inputting a facility type and a moving distance from a current position as said search condition. 4. An external road information acquiring means for acquiring latest road information from the outside, and said route searching means includes means for searching for a route by referring to said latest road information. The route guidance device according to any one of claims 1 to 3. 5. An apparatus according to claim 1, further comprising: external facility information acquiring means for acquiring latest facility information from outside, wherein said information retrieving means includes means for retrieving a facility by referring to said latest facility information. The route guidance device according to any one of claims 1 to 4. 6. An external communication means having means for automatically sending a search result to a facility is provided.
5. The route guidance device according to any one of 5. 7. A storage information acquisition means for reading and writing information from / to a removable storage medium.
The route guidance device according to any one of claims 6 to 6. 8. A storage information acquisition means for transmitting and receiving information wirelessly to and from a non-contact storage medium.
7. The route guidance device according to any one of 6.