JP2001004396A - Voice road guide navigation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a voice road guide navigation system that can provide current position and road guide information for a blind person without carrying any heavy, large navigation devices. SOLUTION: The current position and azimuth information of a user being detected by a GPS receiver 2 and an azimuth sensor 3 is transmitted by radio to a navigation transmission device at the home position of the user from a portable terminal device A4, and road guide information for one's destination of the user being inputted in advance is generated according to the current position and azimuth information of the user in the navigation transmission device for transmitting to the mobile radio terminal A4 of the user by voice, thus receiving the road guide information by voice via the mobile radio terminal on the way to one's destination.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation system for assisting a person who cannot see a map during walking, such as a pedestrian, particularly a blind person, to reach a desired destination.

[0002]

2. Description of the Related Art Conventionally, as a system of this type, a so-called AVM system for receiving position information transmitted from a mobile station and displaying the position, as disclosed in Japanese Patent Application Laid-Open No. Hei 6-26875, for example, is known. (Automatic vehicle monitoring system) has been developed and introduced mainly to taxi companies and used to recognize the position of each vehicle.

[0003] In addition, GPS (Global
2. Description of the Related Art Navigation systems that allow a mobile station to travel accurately while detecting its own position using a positioning system have become widespread. Furthermore, CD-RO
With the advent of mass storage media such as M and DVD,
A navigation system that not only displays current position information and road guidance information on a map as image information but also provides guidance using voice has been realized. (Japanese Unexamined Patent Publication No.
4)

[0004]

However, since these navigation systems are integrated with a display for displaying map information, a CD-ROM or DVD for storing map information and audio information, and a reproducing apparatus for the same, a portable system is required. People who are not able to see image information like a blind person because they are inappropriate in terms of capacity and weight and are basically road information systems mainly based on map image information Was not available.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. By combining an AVM system and a navigation system having a voice guidance function, a user can view a map while walking such as a blind person. It is an object of the present invention to provide an audio road guidance navigation system in which a pedestrian who cannot perform navigation can acquire current position information and road guidance information by voice without carrying a navigation system that is difficult to carry due to its capacity and weight.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional problems, the present invention relates to a mobile device which is carried by a user and wirelessly transmits its current position information and azimuth information to a navigation transmitting device at the user's home position. A road guidance receiving device equipped with a wireless terminal, and current position information and direction information wirelessly transmitted from the mobile wireless terminal are received through the mobile wireless terminal, and the user inputs in advance based on the received current position information and direction information. Transmission device for generating road guidance information for a specified destination, and wirelessly transmitting the received current position information, direction information and the generated road guidance information for the destination to a mobile wireless terminal carried by the user as voice information In the course of the destination, the user is provided with his / her current position information, direction information, and road guidance information for the destination. It is obtained so as to transmit voice.

The present invention generates, based on received current position information and azimuth information, road guidance information for a destination input by a user in advance, and carries at least pedestrian road guidance information for the user's destination. By transmitting the voice to the terminal device, the user can obtain the current position information, the azimuth information, and the road guidance information for the destination by voice without carrying a large navigation system, even if they cannot see. A voice road guidance navigation system capable of performing the above is obtained.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 of the present invention is to transmit a current position information and a direction information of a user detected by a GPS receiver and a direction sensor to a navigation transmitting apparatus at a user's home position. A mobile wireless terminal for transmitting and receiving at least road guidance information for the destination of the user from the navigation transmission device and outputting the received voice, and receiving the road guidance information by voice through the mobile wireless terminal on the way out; And wirelessly transmits the current position information and the direction information of the user to the navigation transmitting device at the user's home position via a mobile wireless terminal carried by the user, and receives the information from the navigation transmitting device receiving the information. At least road guidance information for the user's destination is received by voice using the mobile wireless terminal More, the larger navigation system without carry, destination developing, without visible eye, an effect that can be obtained by voice route guidance information for at least the user destinations.

The present invention according to claim 2 of the present invention receives the current position information and the direction information transmitted from the mobile radio terminal of an external user through the mobile radio terminal, and receives the current position of the user. Generating road guidance information for the destination based on the information and the direction information, and using the received current position information, direction information and the generated road guidance information for the destination as voice information through a mobile wireless terminal; A navigation body for wirelessly transmitting to a user's mobile wireless terminal, wherein at least road guidance information for a user's destination is transmitted by voice to the user's mobile wireless terminal. Road guidance information for the destination is generated based on the user's current position information and azimuth information, and the information is used as audio information to determine whether the user has traveled. By transmitting wirelessly to the terminal, the heavy and large navigation body is placed at the home position without carrying, so even people with weak body can easily carry it, even if the eyes are not visible, the user can This has the effect that the current position information, azimuth information and road guidance information for the destination can be obtained by voice.

[0010] The invention according to claim 3 of the present invention is characterized in that the navigation body is configured to input a destination previously input by a user and current position information and azimuth information of the user received from the mobile radio terminal of the user. The current position of the user is determined using a map information database based on the current position, and a current position determination and route search device for searching for a route to the destination of the user is provided. The current position of the user is determined based on the destination entered in advance and the current position information and the azimuth information from the user who is in the middle of the destination, and a route to the user's destination is searched. Thus, even if the user is in the middle of the destination, the user can use the large navigation body at the home position wirelessly.

According to a fourth aspect of the present invention, there is provided the road guidance receiving apparatus according to the first aspect, and the navigation transmitting apparatus according to the second or third aspect, wherein the object is inputted in advance by a user. On the way to the ground, a route to the destination of the user is searched based on the current position information and the direction information from the user, and the current position information, the direction information, and the user of the user are transmitted to the mobile wireless terminal of the user. The road guidance information for the destination is transmitted by voice, and the user's current position information and azimuth information on the way to the destination are transmitted to the navigation transmission device at the user's home position by the user. Wirelessly transmitted through a mobile wireless terminal, and the navigation transmitting apparatus receives the information, and based on the information, the destination to the destination input by the user in advance. By searching for a route and transmitting it to the user by voice, it is possible to carry out a visual search without carrying a large navigation system including a CD-ROM or DVD storing map information and voice information and a playback device thereof. Has the effect that the user can obtain the current position information, the azimuth information, the road guidance information for the destination, and the like by voice even if the user cannot see.

(Embodiment) Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings, FIG. 1 and FIG. FIG. 1 is a block diagram showing a configuration of a road guidance receiving device of a voice road guidance navigation system according to one embodiment of the present invention, and FIG. 2 is a configuration of a navigation transmitting device of a voice road guidance navigation system according to one embodiment of the present invention. FIG.

First, a description will be given of a road guidance receiving apparatus according to an embodiment of the present invention with reference to FIG. FIG.
, 1 is a GPS antenna, 2 is a GPS receiver, 3
Is an azimuth sensor, and 4 is a mobile radio terminal (A). These devices constitute a road guidance receiving device 14 carried by the user, and are generally at a fixed home position when the user is carrying the device. The current position information and the road guidance information can be received from the navigation transmitting device 15 by voice. The mobile radio terminal (A) 4 may be any mobile radio terminal as long as it can transmit and receive wirelessly using voice.
Further, the GPS receiver 2 and the direction sensor 3 may be integrated or separate, or may be incorporated in the mobile radio terminal (A) 4.

Next, the operation of the road guidance receiving device according to the present embodiment will be described with reference to FIG. A user (hereinafter, simply referred to as a “user”) of the voice road guidance navigation system according to the present embodiment has a GPS antenna 1 and a G
The user wears the PS receiver 2 and the direction sensor 3 and carries a mobile wireless terminal (A) 4 such as a mobile phone or a PHS to go out. The GPS receiver 2 and the azimuth sensor 3 are connected to the mobile radio terminal (A) 4 by a cable, and are turned on when a user wants to know road guidance information such as his / her own position and direction. The mobile radio terminal (A) 4 notifies the navigation transmitting device 15 (FIG. 2) of the current position information and azimuth information received from the mobile radio terminal (A) 4, and the mobile radio terminal (A) 4 receives the road guidance received from the navigation transmitting device 15. Convey information to the carrier by voice.

Next, with reference to FIG. 2, a description will be given of the navigation transmitting device 15 of the voice road guidance navigation system according to one embodiment of the present invention. 2, 5 is a navigation body, 6 is a display, 7
Is an image processing unit, 8 is a voice processing unit, 9 is an input device, 10 is a map information and voice information database, 11 is a current position determination and route search device, and 12 is a speaker, which is generally at a fixed position by these devices. The navigation main body 5 of the navigation transmission device 15 is constituted,
Reference numeral 3 denotes a mobile radio terminal (B), which is a navigation body 5
And the mobile radio terminal (B) 13 constitute a navigation transmission device 15.

Further, the road guidance receiving device 14 carried by the user and the navigation transmitting device 15 constitute a voice road guidance navigation system.
Note that the input device 9 may be any device including a voice input unit such as a microphone, a keyboard (or braille), or the like, as long as the user can use it.

Next, the operation of the navigation transmitting device 15 in the present embodiment will be described with reference to FIG. Before going out, the user inputs a destination from the input device 9 and stores it in a storage device (not shown). The current position determination and route search device 11 searches for a route to the input destination,
The map information and the route to the destination are displayed on the display 6 via the image processing unit 7, and the audio processing unit 8
A voice guidance for the route to the destination is provided from the speaker 12 via. However, if there is no particular destination and road guidance is desired only when returning home, the user may or may not input that fact.

Therefore, the user turns on the GPS receiver 2 and the azimuth sensor 3 and checks the current position information and azimuth information at the mobile radio terminal (A) in order to confirm the current position at the point before arriving at the destination. ) 4 to the navigation transmitting device 15. The navigation transmitting device 15 obtains current position information and azimuth information via the mobile wireless terminal (B) 13, and the current position determination and route searching device 11 uses the map information and the voice information database 10 to transmit the user's information. Information such as the current place name and street name, and information such as a return method when the vehicle is out of the route to the destination entered before going out are output from the speaker 12 via the voice processing unit 8 as voice. I do. The output voice is sent to the mobile radio terminal (A) 4 carried by the user via the microphone of the mobile radio terminal (B) 13, and the user receives various sounds received from the mobile radio terminal (A) 4. Information can be obtained by voice.

The voice road guidance navigation system according to the present embodiment does not always measure position information unlike a conventional navigation system. The user uses the mobile radio terminal (A) 4 to make a call to the mobile radio terminal (B) 13 of the navigation transmission device 15 only when the current position is lost or the route is not understood on the way after going out. Then, the current position information obtained from the GPS receiver 2 and the direction information obtained from the direction sensor 3 are transmitted. Therefore, since the power supply of the GPS receiver 2 and the direction sensor 3 can be normally shut off, the power consumption can be suppressed, and the call charge of the mobile radio terminal can be suppressed to the minimum.

Further, the current position when the user makes a call is also displayed on the display 6 of the navigation transmitting device 15. When the family is at home, the family checks the current position of the user. Can be.

[0021]

The present invention is constructed as described above, and in particular, generates road guidance information for a destination previously input by a user based on current position information and azimuth information received from a user's portable terminal device, CD that stores map information and voice information by transmitting voice information of the user's current position information, azimuth information, and generated road guidance information to the destination to a pedestrian.
-Without carrying a large navigation system including a ROM, a DVD, etc. and its playback device, etc., the user can obtain the current position information, the direction information, and the road guidance information for the destination by voice without being able to see. It becomes possible.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a road guidance receiving device of a voice road guidance navigation system according to an embodiment of the present invention;

FIG. 2 is a block diagram showing a configuration of a navigation transmission device of the voice road guidance navigation system according to one embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 GPS antenna 2 GPS receiver 3 Orientation sensor 4 Mobile radio terminal (A) (mobile phone, PHS, etc.) 5 Navigation body 6 Display 7 Image processing unit 8 Audio processing unit 9 Input device 10 Map and audio information database 11 Current position determination And route searching device 12 speaker 13 mobile wireless terminal (B) (mobile phone, PHS, etc.) 14 road guidance receiving device 15 navigation transmitting device

Claims (4)

[Claims] The present invention is to wirelessly transmit current position information and direction information of a user detected by a GPS receiver and a direction sensor to a navigation transmitting device at a user's home position, and to transmit at least the user's purpose from the navigation transmitting device. A road guidance receiving apparatus comprising: a mobile wireless terminal that receives road guidance information for the ground and outputs the voice as voice, and receives road guidance information by voice through the mobile wireless terminal when going out. 2. A method for receiving current position information and azimuth information transmitted from a mobile radio terminal of an external user through a mobile radio terminal, and determining a road to a destination based on the received current position information and azimuth information of the user. Navigation for generating guidance information, and wirelessly transmitting the received current position information and direction information of the user and the generated road guidance information for the destination as voice information to the mobile radio terminal of the user through a mobile radio terminal. A navigation transmitting device comprising a main body, wherein at least road guidance information for a user's destination is transmitted by voice to a user's mobile wireless terminal. 3. The navigation system according to claim 1, wherein the navigation body uses a map information database based on the destination inputted in advance by the user and the current position information and direction information of the user received from the mobile radio terminal of the user. 3. The navigation transmitting device according to claim 2, further comprising a current position determining and route searching device for determining a current position of the user and searching for a route to a destination of the user. 4. A road guidance receiving device according to claim 1 and a navigation transmitting device according to claim 2 or 3, wherein the user receives an instruction from a user on his way to a destination input in advance by the user. A route to the user's destination is searched based on the current position information and the direction information, and the current position information, the direction information of the user and the road guidance information for the user's destination are transmitted to the user's mobile wireless terminal by voice. A voice road guidance navigation system characterized by transmitting.