JPH08180295A - Destination information acquisition system - Google Patents

Abstract

PURPOSE: To easily and inexpensively acquire destination information including geographical coordinates to be used in a vehicle navigation device. CONSTITUTION: A fixed station 2 in each destination is provided with a storage circuit 21, where destination information including at least geographical coordinates of the destination to which a prescribed telephone number is given is stored, and a telephone line communication control circuit 25 which receives a request signal to request the destination information and sends destination information onto a connected telephone line L in accordance with the request signal. A mobile station 1 on a vehicle is provided with a GPS reception circuit 11 which detects geographical coordinates of the present position of the vehicle, a computer 12 which displays a guidance for running on a display device 15 based on detected geographical coordinates of the present position of the vehicle and those of the destination, and a telephone line communication control circuit 18 which sends the request signal onto the telephone line L together with the telephone number of the destination to connect the pertinent telephone line L and receives destination information from on the connected telephone line L.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a destination information acquisition system, and more particularly to a destination information acquisition system capable of easily obtaining various information of a destination including geographical information used for a vehicle navigation device.

[0002]

2. Description of the Related Art Navigation devices that detect the current position of a vehicle by GPS positioning or the like and provide route guidance to a destination on a map displayed on a CRT screen are becoming widespread. In this case, when the destination is a main facility, a tourist resort, or a tourist destination, information about the destination is often set and stored in advance in the navigation device. It is possible to read out the target information and promptly guide the route of the vehicle. However, when the destination is an acquaintance's house or a small restaurant, the stored information cannot be used, and the occupant needs to set the destination accurately on the map on the screen using the movement position keys, which is complicated. .

In JP-A-4-148884, when the position of the vehicle and the name / address of the destination are sent to the guide radio station, the destination position previously stored in the database is stored in the operator's key. A system has been proposed in which an optimum route to a destination, traffic information on the way, and the like are returned to the vehicle by searching by input (first conventional example).

Further, Japanese Unexamined Patent Publication No. 64-33700 discloses a road guide device in which an operator returns a guide map and guide voice from a transmitting station in response to a guide request from a vehicle by radio (second). Conventional example), and further, Japanese Patent Laid-Open No. 5-1
Japanese Patent No. 81866 discloses a vehicle allocation system in which an operator of a vehicle allocation guide center sends a customer guide map to an empty taxi in an area in response to a vehicle allocation request (third conventional example).

[0005]

However, in any of the above-mentioned first to third conventional examples, preparation of a database in the central guide radio station / transmitting station, which is a fixed station, and operation / search by an operator are required. However, there is a problem that the equipment is large and expensive. Further, the mobile station mounted on the vehicle is not intended to use the navigation device which is becoming widespread, and therefore needs to be a dedicated device and is expensive.

The present invention solves such a problem, and an object of the present invention is to provide a destination information acquisition system capable of easily and inexpensively obtaining destination information including geographical information used for a vehicle navigation device.

[0007]

In the first configuration of the present invention, as shown in FIG. 5, storage means for storing destination information including at least geographical information of a destination to which a predetermined telephone number is assigned. M1; request signal receiving means M2 for receiving a request signal requesting destination information; and information transmitting means M3 for sending destination information according to the request signal to a connected telephone line. In addition to being installed in the station,
A positioning means M4 for detecting the geographical coordinates of the current vehicle location, a travel guide means M5 for guiding the travel based on the detected geographical coordinates of the current vehicle location and the geographical information of the destination, and a telephone number of the destination. Request signal transmitting means M6 for transmitting the request signal to a telephone line to connect the telephone line.
Information receiving means M7 for receiving the destination information from the connected telephone line is provided in a vehicle-mounted mobile station.

In the second configuration of the present invention, the request signal transmitting means M6 and the information receiving means M7 are provided in the portable remote controller 1B.

In the third structure of the present invention, the request signal transmitting means M6 has a telephone number reading means 3 for reading the printed telephone number of the destination.

[0010]

In the above-mentioned first configuration, the destination information including geographical information can be easily obtained from the fixed station provided at the destination only by inputting the telephone number of each destination. , Driving guidance is provided. In this case, the mobile station can be realized simply and inexpensively by adding a few devices to the existing navigation device. Further, a fixed station needs to be provided for each destination, but the storage capacity is small and the operation of the operator for each information request is not necessary, so that it is compact and inexpensive.

In the second configuration, even when the vehicle does not have a telephone line, the destination information can be obtained by carrying the remote control unit to a place connectable to the telephone line.

In the third configuration, the trouble of setting the telephone number one by one with the operation switch or the like is eliminated, and the destination telephone number can be easily obtained.

[0013]

【Example】

(Embodiment 1) An embodiment of the present invention will be described below. In the following explanation, the case of obtaining the most general geographical coordinates as the geographical information of the destination will be explained.
As geographical information, in addition to coordinates, routes, guide maps, voice guidance, addresses, intersection names, landmark buildings, road names,
It includes a wide range of information necessary for the vehicle to reach its destination, such as landmarks.

FIG. 1 shows a device configuration of a destination information acquisition system according to the present invention. The mobile station 1 is mounted on a vehicle, and the GPS receiver circuit 11, the computer 12, the map information storage circuit 13, the display control circuit 14, the display 1 such as a CRT, etc.
5, an input circuit 16, an operation switch 17, and a telephone line communication control circuit 18. Of these, the components of the existing GPS navigation device are used except for the telephone line communication control circuit 18. That is, the computer 12 uses the input circuit 16 to input the operation switch 17
Based on the output signal of the GPS receiving circuit 11 that receives and demodulates the communication wave from the GPS satellite, the geographical coordinates of the current position of the vehicle are calculated by a known method. Then, referring to the geographical coordinates of the destination obtained from the fixed station 2 to be described later, necessary map data is input from the map information storage circuit 13, and guidance information to the destination is provided to this map information by known processing. In addition, the display is displayed on the display 15 via the display control circuit 14. The computer 12
Also displays various destination information other than the geographical coordinates obtained from the fixed station 2 on the display unit 15. The telephone line communication control circuit 18 includes an interface circuit with a car telephone or a mobile telephone, and connects the telephone line L to a destination assigned with the telephone number according to the destination telephone number input from the operation switch 17.

The fixed station 2 is installed at each destination,
Destination information storage circuit 21, computer 22, input circuit 23, operation switch 24, and telephone line communication control circuit 2 in which various information including the geographical coordinates of the destination is stored in advance.
Have five. The computer 22 has an input circuit 2
In the information setting mode, various information input and set by the operation switch 24 is stored in the destination information storage circuit 21 based on the operation of the operation switch 24 connected via the switch 3. In the communication response mode, the destination information is transmitted on the telephone line L connected by the telephone line communication control circuit 25 in response to the request from the mobile station 1. For example, the destination information is, for example, in the case of a ski resort, in addition to the geographical coordinates of the ski resort,
Information on the current snowfall, lift fee, business hours, traffic jam forecast, ski slope course information, skiing landscape images, etc.

The operation of the destination information acquisition system will be described below with reference to FIGS. 2 and 3 showing the processing procedures of the computers 12 and 22 of the mobile station 1 and the fixed station 2. First, in the mobile station 1, an occupant searches for a telephone number of a destination from a telephone directory, a dedicated guide book, etc., and inputs and sets the telephone number by operating a switch. The computer 12 inputs the set telephone number in step 101 of FIG. 2 and then requests the telephone line communication control circuit 18 to connect the telephone line of the telephone number (step 102). Step 1
When it is confirmed that the connection is successful in 03, the necessary information such as the telephone number of the mobile station 1 itself is sent to the fixed station 2 (step 104), and then the purpose sent from the fixed station 2 to the telephone line L The geographic information is received (step 105). When the reception of the destination information is completed, a cutoff request for the telephone line L is issued (step 106). Subsequently, a process of recognizing and converting the destination information is performed (step 107), and a navigation utilizing process is performed. This navigation usage process is
A route search is performed on the map based on the geographical coordinates of the destination included in the destination information and the geographical coordinates of the current location of the mobile station 1 that have already been calculated, and the travel guidance is displayed on the display device 15. In addition, various destination information other than the geographical coordinates are also displayed on the display unit 15.

In the information setting mode (step 201), the computer 22 of the fixed station 2 inputs various information of the destination set by the operation switch 24 in step 202 and stores it in the storage circuit 21. As a result, the latest destination information is constantly updated and stored in the storage circuit 21. In the communication response mode, in step 203, the connection request of the telephone line L is confirmed by the incoming signal, then the telephone line L is connected (step 204), and it is confirmed whether the other party of the connection request is the corresponding mobile station 1. (Step 205).
When it is confirmed that the request is an official request from the mobile station 1, the other party information such as the telephone number of the mobile station 1 is received in step 206, and the destination information is read from the memory circuit 21 in the following step 207. This is transmitted to the telephone line L (step 208). After the transmission is completed, the telephone line L is cut off (step 209).

In this way, various information including the geographical coordinates of the destination can be promptly obtained through the telephone line L with the fixed station 2 installed at each destination.
There is no need to set the destination position on the map on the screen by complicated operation. The mobile station 1 of this system can be realized simply and inexpensively by adding a few devices to the existing GPS navigation device. Further, the fixed station 2 needs to be provided for each destination, but the capacity of the storage circuit 21 can be small because it is only information about the destination, and the operator's operation for each information request is also unnecessary. Therefore, it can be realized compactly and at low cost, and by using a dedicated request signal, it can be installed in parallel while being connected in parallel to a telephone or FAX and sharing a telephone line.

(Embodiment 2) When a car telephone or the like is not provided, as shown in FIG. 4, the mobile station 1 is separated into a portable remote control unit 1A and a GPS navigation main unit 1B, and the telephone is called. The line communication control circuit 18 is provided in the remote controller 1A and is connected to the fixed station 2 by the telephone line L. Further, the remote control unit 1A is provided with a storage circuit 10 for temporarily storing destination information obtained through the telephone line L. further,
Communication control circuits 19A and 19B are provided in the remote controller 1A and the navigation body 1B, respectively, to enable data communication between them.

With this configuration, when the destination information is obtained, only the remote controller 1A is connected to the home telephone, and the operation switch 17A is operated to operate the fixed station 2 to obtain various destinations including the geographical coordinates of the destination. get information. The destination information thus obtained is temporarily stored in the storage circuit 10 of the remote controller 1A.
And is read out when it is connected to the navigation main body 1B in the vehicle. According to this, various destination information including geographical coordinates for navigation can be easily obtained even if there is no car phone or mobile phone equipment.

(Embodiment 3) In the case where the telephone number of each destination is written in a bar code or the like in a guide book or the like, FIG.
By connecting the bar code reader 3 to the input circuit 16 of FIG. 4 or the input circuit 16A of FIG. 4 as shown by the broken line in each figure, the telephone number input in step 101 of FIG. 2 can be easily performed without operating the switch. It is possible.

[0022]

As described above, according to the destination information acquisition system of the vehicle navigation device according to the present invention, the geographical information of the destination necessary for the vehicle traveling guidance can be easily and inexpensively required without any complicated operation. And other useful information.

[Brief description of drawings]

FIG. 1 is an overall configuration block diagram of a destination information acquisition system according to an embodiment of the present invention.

FIG. 2 is a processing flowchart of a computer.

FIG. 3 is a processing flowchart of a computer.

FIG. 4 is an overall configuration block diagram of a destination information acquisition system according to another embodiment of the present invention.

FIG. 5 is a claim correspondence diagram.

[Explanation of symbols]

 1 Mobile Station 1A GPS Navigation Section 1B Remote Control Section 11 GPS Reception Circuit 12, 12A, 12B Computer 15, 15A, 15B Display 17, 17A, 17B Operation Switch 18 Telephone Line Communication Control Circuit 2 Fixed Station 21 Destination Information Storage Circuit 22 Computer 24 Operation switch 25 Telephone line communication control circuit 3 Bar code reader (telephone number reading means) L Telephone line

Claims (3)

[Claims] 1. A destination to which a predetermined telephone number is assigned,
Storage means for storing destination information including at least geographical information, request signal receiving means for receiving a request signal requesting destination information, and sending destination information on a connected telephone line in response to the request signal. Information transmission means is provided in the fixed station of each of the above destinations, positioning means for detecting the geographical coordinates of the current vehicle position, and traveling based on the detected geographical coordinates of the current vehicle position and the geographical information of the above destination Driving guide means for guiding, request signal transmitting means for transmitting the request signal to the telephone line together with the telephone number of the destination and connecting the telephone line, and information for receiving the destination information from the connected telephone line. A destination information obtaining system, characterized in that the receiving means is provided in a mobile station mounted on a vehicle. 2. The destination information obtaining system according to claim 1, wherein the request signal transmitting means and the information receiving means are provided in a portable remote controller. 3. The destination information obtaining system according to claim 1, wherein the request signal transmitting means has a telephone number reading means for reading the printed telephone number of the destination.