JPH0996542A - Portable path-information display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately obtain road information to destination by voice without disturbing others only by inputting telephone number by inputting the telephone number and obtaining a destination position and obtaining path information from the present position to the destination position based on map information. SOLUTION: When a telephone number is inputted to a control device 21 via an input interface 25 by a push switch 11, the switching device 21 actuates a GPS sensor 5 via a sensor controller 23. Then switching device 21 calculates the present position of the device itself based on a signal inputted from the sensor 5 via a sensor data processing part 24. Further, the control device 21 can obtain a destination position corresponding to the inputted telephone number by searching a target position memory 22a. Then, the control device 21 obtains the path information from the obtained present position to the searched destination position by searching a map information memory 22b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable route information presenting device for presenting voice route information from a current position to a destination position.

[0002]

2. Description of the Related Art In recent years, portable telephone devices that can be used anywhere have become popular. Since this portable telephone device is small and lightweight and can be easily used anywhere, by a call on the way to the destination, it is possible to obtain route information from the other party to the destination by voice.

Further, as a means for obtaining navigation information, a vehicle-mounted type route information presenting device utilizing a GPS (Global Positioning System) has become widespread. It stores a current position detection means by GPS, a storage means for map information, a means for inputting a target position by coordinates on a map, and route information from the detected current position to the input target position. And a device for outputting the obtained route information.

[0004]

When obtaining route information to a destination while making a call using a portable telephone device,
It will cause the other party to spend time and effort. Especially,
If the destination is completely unknown to the person, you have to spread the map and frequently ask the person you are calling. Moreover, if the information of the other party is incorrect, the destination cannot be reached. That is, the portable telephone device is merely a telephone device and is not suitable for obtaining navigation information.

Since the vehicle-mounted route information presentation device inputs the target position by the coordinates on the map,
It cannot be used if the coordinates of the target position are not known exactly. Further, since the route information is output as a map image by the image display device, a large display device is required. Therefore, although it can be mounted in a vehicle, it is not suitable for being carried by a person.

It is an object of the present invention to provide a portable route information presentation device that can solve the above problems.

[0007]

The portable route information presenting device of the present invention is a device for presenting route information by voice, and means for obtaining the current position of the device itself, means for inputting a telephone number, and A means for storing a destination position corresponding to a telephone number, a means for obtaining a destination position corresponding to the input telephone number, a means for storing map information, and a map of route information from the current position to the destination position. A means for obtaining the information based on the information and a means for outputting the route information as voice are provided.

According to the configuration of the portable route information presentation device of the present invention, when the telephone number to the destination position is input, the route information from the current position of the device itself to the destination position corresponding to the input telephone number is mapped. It is determined based on the information, and the obtained route information is output as a voice.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

The portable route information presentation device 1 shown in FIG.
The mobile phone also serves as a handset, and a handset 2 and a controller 4 connected to the handset 2 via a cord 3
And The handset 2 is provided with a GPS sensor 5 that receives a signal from an artificial satellite that constitutes GPS. As shown in FIG. 2, the handset 2 is provided with a telephone number input push button switch 11, a speaker 12, a microphone 13, and a liquid crystal display 14. A function changeover switch 7 is attached to the controller 4, and by operating this switch 7, it is possible to switch between a state in which a telephone function is provided and a state in which a route information presentation function is provided.

As shown in FIG. 3, a controller 21 having a central processing unit (CPU) is built in the controller 4. The control device 21 includes a memory unit 22, a sensor controller 23, a sensor data processing unit 24, an input interface 25, a display driver 26, an ADPC.
The M (sound digital signal converter) unit 27, the wireless unit 28, and the function changeover switch 7 are connected. In addition, the function selector switch 7 is set to the receiver 2
And may be connected to the control device 21 via the input interface 25.

The memory unit 22 includes a destination position memory 22a for storing a destination position corresponding to a telephone number, a map information memory 22b for storing map information, and a voice data memory 22c for storing route information presentation voice data. It consists of and. The stored target position is specified by, for example, longitude and latitude. The stored map information is, for example, road arrangement corresponding to longitude and latitude, arrangement of route selection positions such as intersections and road branch points, building arrangement,
It is composed of the distance between route selection positions and traffic regulation information such as one-way traffic. The stored voice data includes, in addition to the Japanese syllabary data, words commonly used when presenting route information, for example, “intersection”, “straight ahead”, “left turn”, “right turn”.
Etc. is composed of data for expressing sounds. The memory unit 22 is preferably replaceable so that it can respond to changes in telephone numbers and map information.

The sensor controller 23 activates the GPS sensor 5 by an activation signal sent from the control device 21. The sensor data processing unit 24 functions as an interface between the GPS sensor 5 and the control device 21.
The control device 21 calculates the current position of the device 1 itself based on the signal from the artificial satellite received by the GPS sensor 5 and input via the sensor data processing unit 24.

A signal corresponding to a telephone number is input from the push button switch 11 to the control device 21 via the input interface 25. In a state where the device 1 functions as a telephone, the control device 21 transmits a signal corresponding to the input telephone number to the telephone station via the wireless unit 28, and if the callee is connected, the controller 21 transmits the signal via the wireless unit 28. While sending the signal input to the ADPCM unit 27,
The signal input via the ADPCM unit 27 is sent to the central office via the wireless unit 28.

The ADPCM unit 27 demodulates the signal sent from the control device 21 into an analog voice signal and sends it to the speaker 12, and at the same time modulates the analog voice signal input from the microphone 13 into a digital signal to control the device 21.
Send to

The display driver 26 is used by the controller 21.
The liquid crystal display 14 is driven on the basis of a signal sent from, for example, the telephone number input from the push button switch 11 and the progress status of processing in the control device 21 are displayed.

When the push button switch 11 inputs a telephone number into the control device 21 through the input interface 25 while the device 1 is performing the route information presenting function, the control device 21 causes the GPS sensor 5 to operate via the sensor controller 23. To start. As a result, the GPS sensor 5
The control device 21 calculates the current position of the device 1 itself on the basis of a signal input from the sensor data processing unit 24. Further, the control device 21 obtains the destination position corresponding to the input telephone number by searching the destination position memory 22a. Next, the control device 21 obtains the route information from the obtained current position to the retrieved target position by searching the map information memory 22b. The search can be performed, for example, by selecting the route with the shortest distance from the routes obtained by combining the route selection positions between the current position and the target position. If the current position is an expressway or a toll road and it is clear that the user is using a vehicle, a route that reverses one-way may be excluded from the search target. . The route information is constituted by, for example, information in which each route selection position is set as unit information, and the unit information is sequentially linked,
Each unit information is composed of a traveling direction and a traveling distance to the next route selection position, a building name and a place name which are marks of the route selection position, a traveling direction and a traveling distance at the route selection position, and the like. Next, the control device 21 synthesizes the voice data stored in the voice data memory 22c based on the obtained route information, and creates voice data for route guidance. For example, voice data such as "walk across the intersection in front of the current position to your left. Next, walk to the intersection in front of the fire station 200 meters ahead on your right. Next ..." is synthesized. Next, the control device 21 AD the synthesized voice data.
Output from the speaker 12 via the PCM unit 27. Thereby, as shown in FIG. 4, the user 30 can hear the route information. The route information may be output not only as a voice but also as a voice to the liquid crystal display 14 so that it can be read.

In addition to the above embodiment, a means for receiving additional information that affects the route information may be provided, and the additional information may be added to obtain the route information to the target position. For example, if the current location is an expressway or a toll road and it is clear that the user is using a vehicle,
The road congestion information is received, and the route information is obtained so as to avoid the congested road. Further, when the current position and the destination position are very far apart, route information from the nearest station, airport, bus stop, highway exit, etc. of the destination position may be output. For example, from Kyoto to Sapporo. If it is a route to a specific point, the route from Sapporo Station or Chitose Airport will be guided, so a voice instructing to re-enter the telephone number from the station or airport may be output. Further, a temporary stop switch may be provided, and the output of the route information may be temporarily stopped by the switch input. Further, information on transportation facilities such as railways and buses may be stored, and the transportation facilities used to reach the destination may be output as route information.

[0019]

According to the present invention, a compact and portable route that can obtain accurate route information to a destination by voice only by inputting a telephone number without any trouble for others. An information presentation device can be provided.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION The portable information presentation device of the present invention is
It preferably has the functionality of a telephone. As a result, it is not necessary to separately provide a telephone number input function, and versatility can be improved.

The portable information presenting apparatus of the present invention comprises means for receiving additional information that affects the route information, and is capable of obtaining the route information to the target position by adding the additional information. Is preferred. For example, it is possible to obtain the route information to the destination position by adding the road congestion information as the additional information.

[Brief description of drawings]

FIG. 1 is a perspective view of a portable route information presentation device according to an embodiment of the present invention.

FIG. 2 is a front view of the handset according to the embodiment of the present invention.

FIG. 3 is a block diagram for explaining the configuration of a portable route information presentation device according to an embodiment of the present invention.

FIG. 4 is an explanatory diagram of a usage state of the portable route information presentation device according to the embodiment of the present invention.

[Explanation of symbols]

 5 GPS sensor 11 push button switch 12 speaker 21 controller 22a target position memory 22b map information memory 22c voice data memory

Claims (1)

[Claims] 1. A device for presenting route information by voice, means for obtaining the current position of the device itself, means for inputting a telephone number, means for storing a target position corresponding to the telephone number, A means for obtaining a destination position corresponding to the entered telephone number, a means for storing map information, a means for obtaining route information from the current position to the destination position based on the map information, and outputting the route information as voice. A portable route information presenting device comprising: