JP2002277276A - Guide system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inform a visually handicapped person of a circumferential condition around a present location of the visually handicapped person independently of a place where the handicapped person locates and to then ensure safety when passing. SOLUTION: A radio signal is transmitted from each monitoring device 7 in an artificial satellite 6 and the present location is detected by each portable guide device 3. Therewith, a radio signal transmitted from each portable guide device 3 and a radio signal transmitted from each dangerous point indicating device 5 are received by each monitoring device 7, and details of these radio signals are analyzed. Thereafter, based on this analyzed result a radio signal including guiding information needed to secure safety walking to each visually handicapped person 2 is transmitted to be then received by each portable guide system 3. Each visually handicapped person 2 is informed by a voice, which instructs a building condition, road condition, and whether crossing can be done or not, from an earphone 8 on each of these portable guide devices 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide system for guiding a visually impaired person or the like to pass safely.

[0002]

2. Description of the Related Art Voice guidance systems, guidance lines, guide dogs, and the like are currently used as equipment and tools for visually impaired persons and the like to safely walk around the city.

A voice guidance system is attached to a traffic light or the like provided at an intersection such as a road and, when it becomes possible to cross, plays predetermined music, for example, "Toryunse", and plays a visually impaired person. Inform others that it is possible to cross.

[0004] The guide line is made of uneven tape, tile, or the like, which is attached to a facility such as a platform of a station, and is provided to a visually impaired person via a shoe sole or the like.
Teach safe routes and prevent falls.

A guide dog guides a visually impaired person to a safe walking route or the like according to the surrounding conditions.

[0006]

However, there are the following problems when guiding a visually impaired person by using these voice guidance systems, guidance lines, guide dogs, and the like.

First, in the method of guiding a visually impaired person using a voice guidance system, it is difficult to install the system at every intersection in Japan because of the installation cost, and it is difficult to install the system only at a large intersection. Can not.

For this reason, there is a problem that a visually impaired person cannot safely cross at all intersections.

In addition, in the method of guiding a visually impaired person by using a guide line, it is difficult to install the system at all stations and the like throughout Japan due to the installation cost. Can only be installed.

[0010] For this reason, there has been a problem that the visually impaired cannot be safely passed through at all stations, all buildings, all department stores, and the like.

In the method using a guide dog, the number of guide dogs is insufficient for the number of visually impaired persons.
It takes a considerable amount of time not only to request a guide agency to provide a guide dog, but also to grant the guide dog, and it takes a considerable amount of time to get compatible with the guide dog. There was a problem.

SUMMARY OF THE INVENTION In view of the above circumstances, it is an object of the present invention to provide a guide system that can inform a visually impaired person or the like of the current position, surrounding conditions, etc., regardless of where the visually impaired person is. .

[0013]

According to a first aspect of the present invention, there is provided a guide system for providing guidance information to a person to be guided by voice or screen.
A portable device that is carried by the guidance target person and reproduces guidance information included in the received wireless signal while transmitting a wireless signal including current position information, and notifies the guidance target person of the content of the guidance information by voice or screen. A type guide device, and a monitor that receives a wireless signal transmitted from the portable type guide device, generates guide information according to current position information included in the wireless signal, and transmits a wireless signal including the guide information. And a device.

According to a second aspect of the present invention, in the guide system according to the first aspect, the portable guidance device includes a radio signal transmitted from the monitoring device side, a radio signal transmitted from a GPS satellite, or an internal device. It is characterized in that current position information is generated based on one of the detection signals output from the acceleration detector.

According to a third aspect, in the guide system according to any one of the first and second aspects, the monitoring device receives a radio signal transmitted from a danger point indicating device provided on a path of the guide target person. Then, based on the passage availability information included in the wireless signal, guide information is generated, and a wireless signal including the guide information is transmitted.

[0016] In the above configuration, according to the first aspect, the portable device is carried by the person to be guided, and the monitoring device receives while transmitting a radio signal including current position information from the portable guide device. While generating guide information according to the current position information included in the wireless signal, the monitoring device transmits a wireless signal including the guide information,
The guide information included in the wireless signal is reproduced by the portable guidance device, and the guidance target person is notified of the content of the guidance information by voice or screen. Thus, no matter where the visually impaired person is, the visually impaired person or the like is notified of the current position, surrounding conditions, and the like.

According to a second aspect of the present invention, the portable terminal is controlled based on a radio signal transmitted from the monitoring device, a radio signal transmitted from a GPS satellite, or a detection signal output from an acceleration detector in the device. The type guiding device is caused to generate current position information. Thus, no matter where the visually impaired person is on the ground or on any floor in the building, the current position of the visually impaired person or the like is accurately detected, and the current position, the surrounding situation, and the like are notified.

According to a third aspect of the present invention, the monitoring device receives a radio signal transmitted from a danger point indicating device provided on the path of the guide target person, and provides guidance based on the passability information included in the radio signal. Information is generated, and a wireless signal including the guide information is transmitted.
Thus, no matter where the visually impaired person or the like is, the current position of the visually impaired person or the like is detected, and whether or not walking is safe is notified.

[0019]

FIG. 1 is a schematic diagram showing an embodiment of a guide system according to the present invention. In this figure, in order to make the drawing easy to see, only one danger point indicating device and one portable guide device are provided.

The guide system 1 shown in this figure is carried by each visually impaired person 2 and the like, and each visually impaired person 2 and the like approaches an intersection while transmitting and receiving radio signals to and from other devices constituting the system. Sometimes, a plurality of portable guidance devices 3 that notify by voice whether they can safely cross,
A plurality of danger point indicating devices 5 installed at each traffic light 4 provided at the intersection and transmitting a radio signal including information such as whether or not each traffic light 4 is green, and a plurality of artificial satellites 6 are provided respectively. , While transmitting and receiving radio signals to and from each portable guidance device 3 and each dangerous point indicating device 5, the surrounding building conditions, surrounding road conditions,
A plurality of monitoring devices 7 that output whether or not it is possible to cross an intersection by voice are provided, and a wireless signal is transmitted from each monitoring device 7 to cause each portable guidance device 3 to detect the current position. Each monitoring device 7 receives a radio signal transmitted from each portable guidance device 3 and a radio signal transmitted from each danger point indicating device 5 and analyzes the content of each radio signal. Based on
Guidance information necessary to make each visually impaired person 2 walk safely, for example, whether it is possible to safely cross an intersection, etc., with the surrounding building conditions and road conditions around the place where each visually impaired person 2 is located A wireless signal including guidance information such as whether or not is transmitted and received by each portable guidance device 3, from the earphone 8 of each portable guidance device 3, surrounding building conditions,
A voice indicating the road condition, whether or not it is possible to cross, etc., is output and transmitted to each visually impaired person 2 carrying each of the portable guidance devices 3.

As shown in FIG. 2, each of the portable guide devices 3 includes a receiving unit 9 for receiving a plurality of radio signals, position information and time information contained in each of the radio signals received by the receiving unit 9. Based on the above, the current position is detected, and when the radio signal includes the voice guidance information designating the device ID of the own device, the information processing unit 10 that reproduces the voice guidance information and the ear of the visually impaired 2 etc. When a voice signal including voice guidance information is output from the information processing unit 10 when the
Earphones 8 that convey to the visually impaired 2 whether or not it is possible to safely cross intersections, as well as surrounding building conditions and road conditions around the place where the visually impaired 2 is located,
A transmitting unit 11 for transmitting a wireless signal including the current position information indicating the current position and the device ID output from the information processing unit 10
And simultaneously receives a plurality of radio signals transmitted from each monitoring device 7 in each artificial satellite 6 and detects the current position of the portable guidance device 3 while transmitting the device ID and the current position information. In addition to transmitting the wireless signal including the wireless signal and causing each of the monitoring devices 7 to receive the same, the voice guidance information that specifies the device ID of the own device in any of the plurality of wireless signals transmitted from each of the monitoring devices 7 in each of the artificial satellites 6 is displayed. When it is included, it is reproduced and the guidance sound from the earphone 8, for example, "Now, I am traveling in the direction of XX in front of Ginza @ Chome.",
For example, it outputs “Now, before the intersection. It is possible to cross.” And informs the visually impaired person 2 of the surrounding situation and whether or not it is safe to cross.

Each of the danger point indicating devices 5 is
Based on the state information output from each of the traffic lights 4, crossability information indicating whether or not crossing is possible is generated, and
An information generation unit 12 that generates danger point position information (information indicating the position of a traffic light) and the like based on information set in advance, and crossing availability information and danger point position information output from the information generation unit 12 And a transmission unit 13 for transmitting a radio signal including a crossing permission / prohibition information indicating whether or not the vehicle can cross, a danger point position information indicating a position of a traffic signal, and the like.

Each of the monitoring devices 7 includes a positioning information transmitting section 14 for transmitting a radio signal including position information indicating the current position of the device, time information indicating the current absolute time, and the like, and each portable information device. A receiving unit 15 for receiving a radio signal transmitted from the device 3 and a radio signal transmitted from each danger point indicating device 5; and a plurality of guidance voice information registered in advance for each latitude and longitude. , Receiving unit 15
For each of the current position information of each device ID included in the wireless signal from each portable guidance device 3 received in the above, the corresponding guidance voice information is selected, and further included in each wireless signal received by the receiving unit 15. The danger point position information is compared with the current position information for each device ID, and based on these comparison results, each visually impaired person 2 carrying each portable guidance device 3 etc. indicates each danger point instruction. It is determined whether any of the devices 5 is approaching an intersection or the like provided,
When any one of the visually impaired persons 2 is approaching an intersection or the like, the device I of the portable guidance device 3 possessed by the visually impaired persons 2
D, the dangerous point indicating device 5 received by the receiving unit 15
A signal processing unit 16 for associating the traversability information included in the wireless signal from the GW, and a radio signal including guidance voice information for each device ID selected by the signal processing unit 16 and traversability information for each device ID. A voice information transmitting unit 17;

Then, while transmitting a radio signal including position information, time information and the like to each monitoring device 7, a radio signal transmitted from each portable guidance device 3 and a radio signal transmitted from each danger point indicating device 5 are transmitted. Wireless signal, and from among a large number of pre-registered guidance voice information, the optimal guidance voice information is selected for each current position information corresponding to each device ID obtained by the receiving operation, A wireless signal including each of these device IDs and each piece of guidance voice information is transmitted, and further, each danger point position information included in each wireless signal obtained in the receiving operation and the current position information of each device ID are respectively transmitted. When each visually impaired person 2 carrying each portable guidance device 3 is approaching an intersection or the like, these visually impaired persons 2
Receiving unit 15 for each device ID of each portable guidance device 3
And transmits a radio signal corresponding to the crossing permission / non-permission information included in the radio signal from each of the danger point indicating devices 5 received.

Next, the operation of the guide system 1 will be described with reference to the schematic configuration diagram shown in FIG. 1 and the block diagram shown in FIG.

First, based on the status information output from each traffic light 4, each danger point indicating device 5 provided at each traffic light 4 and the like generates crossability information indicating whether or not crossing is possible and sets in advance. Danger point position information (information indicating the position of a traffic light) and the like are generated based on the information, and a radio signal including the crossing permission / prohibition information, the danger point position information, and the like is transmitted and mounted on each artificial satellite 6 and the like. Received by each monitoring device 7.

In parallel with this operation, radio signals including position information indicating the current position of each monitoring device 7 and time information indicating the current time are transmitted by the monitoring devices 7 mounted on the artificial satellites 6 and the like. Sent and each visually impaired 2
With each portable guidance device 3 carried by
A plurality of radio signals transmitted from each monitoring device 7 in each artificial satellite 6 are simultaneously received, the current position of each portable guidance device 3 is detected, and based on the detection result, each portable guidance device 3 A wireless signal including the device ID and the current position information is transmitted and received by each monitoring device 7.

In parallel with these operations, each monitoring device 7 mounted on each artificial satellite 6 and the like transmits a radio signal transmitted from each portable guidance device 3 and a radio signal transmitted from each danger point indicating device 5. After the wireless signal is received and the optimal guidance voice information corresponding to the current position information of each device ID obtained by the receiving operation is selected from a large number of pre-registered guidance voice information, , Each of these device IDs,
Each piece of guidance voice information is paired and transmitted in the form of a wireless signal.

Further, each monitoring device 7 mounted on each artificial satellite 6 and the like, each danger point position information included in each radio signal obtained by the receiving operation and the current position information for each device ID are respectively obtained. When each visually impaired person 2 or the like carrying each portable guidance device 3 is approaching each intersection or the like, for each device ID of each portable guidance device 3 possessed by each visually impaired person 2 The crossing permission / non-permission information included in the wireless signal from each of the danger point indicating devices 5 received by the receiving unit 15 is associated with each other and transmitted in a wireless signal format.

Then, a plurality of radio signals transmitted from each monitoring device 7 in each artificial satellite 6 are received by each portable guidance device 3, and the device ID of the own device is designated in any of these radio signals. When such voice guidance information is included, the voice guidance information is reproduced and guided from the earphone 8, for example, “Now, proceeding in the XX direction in front of XX in Ginza △ chome”, “Now, A voice such as “I am near the intersection. I can cross” is output and transmitted to each visually impaired person 2.

As described above, in this embodiment, each monitoring device 7 mounted on the artificial satellite 6 or the like transmits a radio signal to make each portable guidance device 3 detect the current position, and each monitoring device 7 After receiving the radio signal transmitted from each portable guidance device 3 and the radio signal transmitted from each danger point indicating device 5, the content of each radio signal is analyzed, and based on the analysis result, each Guidance information necessary to safely walk the visually impaired 2 etc., for example, whether it is possible to safely cross intersections with the surrounding building conditions, road conditions, etc. around the place where each visually impaired 2 is located A wireless signal including guidance information such as the above is transmitted to each portable guidance device 3 and received from the earphone 8 of each portable guidance device 3 to determine whether surrounding building conditions, road conditions, whether or not it is possible to cross. Is output and transmitted to each visually impaired person 2 carrying each portable guidance device 3, so that the visually impaired person 2 is located anywhere on the ground or in a building. No matter where you are,
The current position of the visually impaired person 2 or the like can be accurately detected, and the current position, surrounding conditions, and the like can be notified.

Further, in this embodiment, when the visually impaired person 2 is in front of an intersection or the like and is trying to cross a road, the visually impaired person 2 is notified of whether the signal is green or not. Therefore, when the visually impaired person 2 crosses an intersection or the like, it can be safely crossed.

In the above-described embodiment, a plurality of radio signals transmitted from each monitoring device 7 are transmitted to each portable guidance device 3.
To detect the current position of each visually impaired person 2 carrying each portable guidance device 3, but a plurality of signals transmitted from each GPS satellite currently used are detected. Let each portable guidance device 3 receive a radio signal,
The current position of each visually impaired person 2 carrying each of the portable guidance devices 3 may be detected.

In addition, location information indicating the location of each terrestrial base station located in each major city, each terrestrial base station transmitted from each terrestrial radio station located along a main trunk, the current absolute time May be received by each portable guidance device 3 to detect the current position of each visually impaired person 2 carrying each portable guidance device 3. .

Also, each radio signal transmitted from each monitoring device 7, each GPS satellite, each terrestrial radio station and the like is received,
A method other than the method of detecting the current position, for example, a plurality of acceleration detectors are provided in each portable guidance device 3, and each portable guidance device 3 is carried based on the detection result of each acceleration detection device. The current position of the visually impaired person 2 may be detected.

In this manner, as in the above-described embodiment, the present position of the visually impaired person 2 can be accurately determined regardless of where the visually impaired person 2 or the like is located on the ground or at any floor in the building. To detect the current position and surrounding conditions.

[0037]

As described above, according to the present invention, the guide system according to the first aspect allows a visually impaired person or the like to know his / her current position, surrounding conditions, etc., regardless of where the visually impaired person is. Can be.

In the guide system according to the second aspect, the present position of the visually impaired person or the like is accurately detected regardless of where the visually impaired person is on the ground or at any floor in the building. Can be notified of the situation.

In the guide system according to the third aspect, the present position of the visually impaired person or the like can be detected regardless of where the visually impaired person is located, and it can be notified whether walking is safe.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of a guide system according to the present invention.

FIG. 2 is a block diagram showing a circuit configuration example of the guide system shown in FIG.

[Explanation of symbols]

 1: Guide system 2: Visually impaired person (guidance target person) 3: Portable guidance device 4: Traffic light 5: Danger point indicating device 6: Artificial satellite 7: Monitoring device 8: Earphone 9: Receiving unit 10: Information processing unit 11 : Transmitting unit 12: information generating unit 13: transmitting unit 14: positioning information transmitting unit 15: receiving unit 16: signal processing unit 17: audio information transmitting unit

Claims (3)

[Claims] 1. A guide system for providing guidance information to a person to be guided by voice or screen, wherein the guidance carried by the person to be guided is included in a received wireless signal while transmitting a wireless signal including current position information. A portable guidance device that reproduces information and informs the guidance target person of the content of the guidance information by voice or screen, and receives a radio signal transmitted from the portable guidance device,
A guide system comprising: a monitoring device that generates guide information according to current position information included in the wireless signal and transmits a wireless signal including the guide information. 2. The guide system according to claim 1, wherein the portable guidance device is a wireless signal transmitted from the monitoring device or a wireless signal transmitted from a GPS satellite.
Alternatively, the guide system generates current position information based on one of detection signals output from an acceleration detector in the device. 3. The guide system according to claim 1, wherein the monitoring device receives a radio signal transmitted from a danger point indicating device provided on a path of the guide target person, and A guide system, wherein guide information is generated based on traffic permission information included in a wireless signal, and a wireless signal including the guide information is transmitted.