JPH07116208A - Peripheral information transmission equipment for blind - Google Patents

Abstract

PURPOSE:To calculate a degree of danger on an object person from distance and temperature of a peripheral object and the body temperature of the object person, to give it to the object person as stimulus, and enable to recognize a danger such as the collision of the object person with the peripheral object and a burn, etc., as the simplified transmission equipment of peripheral information for a visually handicapped person. CONSTITUTION:Peripheral status can be easily transmitted to the object person by providing the objective equipment with peripheral information input means 1, 2 for the distance to and the temperature of the peripheral object, an information processing means 4 which processes the peripheral information, a stimulus control means 5 which controls the stimulus to be given according to processed data, and a stimulus means 6 which gives the stimulus.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple peripheral information transmission device for visually impaired persons.

[0002]

2. Description of the Related Art A visually impaired person is trying to obtain information obtained by the eyes in a pseudo manner by using other sensory nerves. For example, information such as characters is read by another person or a machine and is obtained by hearing, or characters are read as braille and then touched by touching with a finger. In addition, information on the surroundings is obtained by hands and canes. In addition, depending on the location, it may suggest a pedestrian crossing that can be crossed by sound like a pedestrian crossing, indicate the direction by installing a Braille guide plate, or give a voice guidance in response to a specific signal. There is.

[0003]

However, these guides and other devices require the installation of devices for them, and the installation location is limited. Further, while walking, people or the like perceive the approach of people, bicycles, motorcycles, cars, and the like, but it is often difficult to perceive them due to noise in the surroundings.

Here, the degree of danger varies depending on the distance to the obstacle, and the shorter the distance is, the higher the degree of danger is when moving, such as walking, and the higher the degree of danger is when moving away from the reach of a person during work in life. In the state of avoiding obstacles, the risk is high, but it is meaningless to inform them.

Further, when moving such as walking, information on the front far from the feet is required.

Further, the temperature varies depending on the object, and there is a risk of burns, burns, or the like by touching it with a hand or the like without knowing it.

[0007]

[Means for Solving the Problems] Reading Braille by hand means learning by associating the pattern of the protrusions touched by the hand with the word, and by comparing the signal from the nerve of the hand with the corresponding sound. It is learning, and similar learning can be performed in places other than the hands.

The present invention controls the peripheral information detecting means for detecting the peripheral information, the information processing means for processing the peripheral information obtained by the detecting means, and the method of giving a stimulus to the subject based on the processed data. There is provided a peripheral information transmission device for a blind person, comprising: a stimulus control means for activating the stimulus and a stimulus generation means for applying a desired stimulus to a subject.

Here, the peripheral information transmitting device for a blind person is provided, wherein the peripheral information is distance information to a peripheral object and temperature information of the peripheral object.

[0010]

According to the configuration of the present invention, the peripheral information is transmitted to the subject as a stimulus according to the degree of danger.

As a result, it is possible to know the risk of collision with an object and the risk of burns or the like due to contact, and it is possible to walk and live more safely.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a basic block diagram of a peripheral information transmitting apparatus according to the present invention. FIG. 2 is an example of a conversion graph of the distance value and the distance risk degree of the processing means of the present invention. FIG. 3 is an example of a conversion graph of the temperature value and the temperature risk of the processing means of the present invention. FIG. 4 is an example of a conversion graph of the distance value and the temperature value and the degree of danger of the processing means of the present invention. FIG. 5 shows an embodiment of the stimulation means according to the present invention. FIG. 6 is a block diagram of processing for each distance by the peripheral information transmission device according to the present invention. FIG. 7 is an example of a conversion graph of the distance value and the temperature value and the risk degree by the processing for each distance. FIG. 8 is another example of the conversion graph of the distance value and the temperature value and the risk degree by the processing for each distance. FIG. 9 is an embodiment showing the mounting state of the present invention. FIG. 10 is a block diagram of the peripheral information transmitting device according to the present invention during orientation control. FIG. 11 shows an example of the distance information acquisition means and the non-contact temperature information acquisition means.

1, 2, 3, 4, and 5 will be described. In FIG. 1, distance information obtaining means 1 obtains distance information to an object, contacted temperature information obtaining means 2 obtains object temperature information, and temperature information obtaining means 3 obtains the body temperature of the subject. The processing unit 4 calculates the risk degree from the distance information, the temperature information, and the body temperature, and applies the stimulus corresponding to the risk degree to the subject by the stimulus control unit 5 and the stimulus unit 6.

FIG. 2 is a graph showing the distance risk of the target person with respect to the distance value to the object. The shorter the distance 1 between the target person and the object, the higher the distance risk sl. By applying a stimulus according to this, it becomes possible to know the distance to the object and the danger of collision with the object.

FIG. 3 shows the temperature t of the object and the body temperature tb of the subject.
3 is a graph showing the temperature risk st of the target person with respect to, and the temperature risk st increases as the temperature t of the object increases or decreases from the body temperature tb of the target person. By applying a stimulus according to this, it becomes possible to know the temperature of the object, and it becomes possible to know the danger when the object comes into contact with it. When the body temperature of the subject is below a certain temperature or above a certain temperature, the temperature risk is maximized.

FIG. 4 shows the distance l to an object and the temperature risk s.
It is a graph showing the degree of danger of the target person with respect to t, and the degree of danger with respect to the distance l increases as the temperature risk st increases. By applying a stimulus according to this risk level, it becomes possible to know the risk of burns, burns, etc. when colliding with an object or contact with an object, and it is possible to carry out safer walking and life. Become.

In FIG. 5, the stimulation control means 5 applies a current to the coil 9 according to the degree of danger of the processing means 4, and pushes out the needle bar 10 by repulsion with the magnet 7. Spring 8 is needle bar 1
It works in the direction to push back 0, and by controlling the current flowing through the coil 9, it becomes possible to give a stimulus according to the stimulus value.

Next, FIGS. 6, 7, 8 and 9 will be described. FIG. 6 is a block diagram when a plurality of different processing means are provided and the processing is changed according to the distance. Distance acquisition means 1, contact temperature acquisition means 2, temperature acquisition means 3
The distance information, the temperature information, and the body temperature obtained by the process selection unit 11 and the switching unit 12 and 1 based on the distance information.
3, any one of the processing means 4 in the processing bank 14 is selected and processed. The degree of risk obtained by the above processing is stimulated by the stimulation control means 5 and the stimulation means 6 and added to the subject.

FIG. 7 is an example of a graph of a distance value, a temperature value, and a degree of danger when two processing means 4 are used based on the reachable distance and the unreachable distance of the subject. Object temperature t
And the body temperature tb is small, that is, when the temperature risk st is small, the closer the distance 1 is, the higher the risk is,
It is possible to know the danger of collision with an object. When the distance is within a certain distance lp, it is considered that the person is within a distance that can be easily contacted, and the risk is reduced. On the other hand, when the difference between the object temperature t and the body temperature tb is large, that is, when the temperature risk st is large, the risk becomes higher as the distance becomes shorter, and the risk of burns or scorching is higher than the risk of being burned within a distance that can be touched by a hand or the like. The risk is even higher. As a result, it becomes possible to recognize whether or not the object is within the reach of the object due to the change in the stimulus, and it is possible to know the danger when the object comes into contact with the object.

FIG. 8 shows a part of a person who divides the distance into three unavoidable distances, a distance that the target person can reach and a distance that the target person cannot reach, and a certain distance lh. Therefore, the risk is set to 0.

In FIG. 9, the distance measuring unit 16 is attached to the head of the subject.
The distance information, the temperature information, and the body temperature obtained by the distance measuring unit are traced to the code 17 and transmitted to the processing unit 18, which performs a process according to the distance and the temperature to stimulate the subject.

Next, FIGS. 10 and 11 will be described.
In FIG. 10, the azimuth control means 19 controls the distance measurement direction of the distance acquisition means 1 and the temperature measurement direction of the contacted temperature acquisition means 2, and the stimulation control means 20 stimulates the stimulation means 6 corresponding to the direction. Select from group 21 and apply stimulation to the subject.

In FIG. 11, the infrared light emitted from the light emitting element 27 passes through the light projecting lens 28 and the reflecting plate 29, and the reflected light from the object passes through the reflecting plate 29 and the imaging lens 22 to the light receiving element 23. The light is received, and the distance is calculated from the position when the light is received. Further, the radiated light from the object is reflected by the reflecting plate 29, converted into a specific wavelength component by the bandpass filter 26, received by the imaging lens 24 and the light receiving element 25, and the temperature of the object is calculated from the intensity of the received light. To do.
By using a plurality of bandpass filters 26 having different characteristics for one object and performing measurement for each wavelength component, more accurate temperature calculation can be performed. The reflection plate 29 is controlled by the azimuth control means 19. The distance measuring method is not limited to the active method. As a result, it becomes possible to obtain distance information and temperature information within a certain angle from the direction in which the face is facing, the distance measuring direction is periodically changed far from the feet forward, and the stimulation position is changed depending on the distance measuring direction. By changing the distance, it becomes possible to easily know the distance measuring direction, and the distance information and the temperature information far ahead of the feet can be obtained without moving the face vertically, and safer walking can be performed.

[0024]

As described above, according to the present invention, it becomes a pseudo remote information acquisition means for persons with disabilities such as blindness, and in addition to the information obtained by hands and ears, Further, it becomes possible to obtain the distance to the object and the temperature information.

As a result, it is possible to know the risk of collision with an object and the risk of burns and burns due to contact, and it is possible to walk and live more safely.

Furthermore, when moving such as walking, it is possible to obtain distance information of the surroundings without moving the face, and it is possible to move more safely.

Further, when it is used for a long period of time, the stimulus based on the distance information of the device according to the present invention can be recognized not as a stimulus but as a certain surrounding situation by the learning ability of the human side. there is a possibility.
Furthermore, if it is possible to match the stimulus and the information by the human learning ability, there is a possibility that a kind of realistic communication using a communication network or the like becomes possible.

[Brief description of drawings]

FIG. 1 is a basic block diagram of a peripheral information transmission device according to the present invention.

FIG. 2 is an example of a conversion graph of distance value-distance risk degree of the processing means of the present invention.

FIG. 3 is an example of a temperature value-temperature risk conversion graph of the processing means of the present invention.

FIG. 4 is an example of a distance value / temperature value-risk degree conversion graph of the processing means of the present invention.

FIG. 5 is an embodiment of the stimulation means according to the present invention.

FIG. 6 is a block diagram in processing for each distance of the peripheral information transmission device according to the present invention.

FIG. 7 is an example of a conversion graph of distance value and temperature value-danger degree by processing for each distance.

FIG. 8 is another example of a distance value / temperature value-risk degree conversion graph obtained by processing for each distance.

FIG. 9 is an example of the present invention.

FIG. 10 is a block diagram of the peripheral information transmitting device according to the present invention during orientation control.

FIG. 11 is an example of a distance information acquisition unit and a contacted temperature information acquisition unit.

[Explanation of symbols]

 1 Distance Information Obtaining Means 2 Contacted Temperature Obtaining Means 3 Temperature Obtaining Means 4 Processing Means 5 Stimulation Control Means 6 Stimulation Means 7 Magnets 8 Springs 9 Coils 10 Needle Bars 11 Treatment Selection Means 12 Switching Units 13 Switching Units 14 Processing Banks 15 Switching Means 16 distance measuring section 17 code 18 processing section main body 19 azimuth control means 20 stimulus control means 21 stimulus group 22 imaging lens 23 light receiving element 24 imaging lens 25 light receiving element 26 bandpass filter 27 light emitting element 28 light projecting lens 29 reflector plate

Claims (3)

[Claims] 1. A peripheral information detecting means for detecting peripheral information, an information processing means for processing the peripheral information obtained by the detecting means, and a stimulus for controlling how to apply a stimulus to a subject based on the processed data. A peripheral information transmission device for a blind person, comprising: a control means and a stimulus generation means for giving a desired stimulus to a subject. 2. The peripheral information transmitting device for a blind person according to claim 1, wherein the peripheral information is distance information to a peripheral object. 3. The peripheral information transmitting device for a blind person according to claim 1, wherein the peripheral information is temperature information of surrounding objects.