KR101851833B1 - visually impaired people terrain education method by using the geomagnetic sensor - Google Patents

visually impaired people terrain education method by using the geomagnetic sensor Download PDF

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KR101851833B1
KR101851833B1 KR1020150165109A KR20150165109A KR101851833B1 KR 101851833 B1 KR101851833 B1 KR 101851833B1 KR 1020150165109 A KR1020150165109 A KR 1020150165109A KR 20150165109 A KR20150165109 A KR 20150165109A KR 101851833 B1 KR101851833 B1 KR 101851833B1
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headset
application
user
virtual
terrain
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KR1020150165109A
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Korean (ko)
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KR20170060542A (en
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문혜리
윤선정
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동서대학교산학협력단
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/001—Teaching or communicating with blind persons
    • G09B21/006—Teaching or communicating with blind persons using audible presentation of the information
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/081—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices the magnetic field is produced by the objects or geological structures
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Educational Administration (AREA)
  • General Health & Medical Sciences (AREA)
  • Educational Technology (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The present invention detects a geomagnetism in a headset 100, calculates location information of a user, communicates with a smart phone 200 in which an application is installed, transmits the location information of the user to the smart phone 200, The headset 100 determines whether a collision is to be planned based on the received user's location and pre-stored virtual terrain information. The headset 100 transmits the expected collision to the headset 100 via the Bluetooth communication. In the headset 100, By outputting sound according to whether or not it is scheduled,
The present invention relates to a method of training a visually impaired person using a geomagnetic sensor to educate a visually impaired person on the terrain to cope with moving and behaving in a terrain, .

Figure 112015114820332-pat00001

Description

[0001] The present invention relates to a geomagnetic sensor,

More particularly, the present invention relates to a method for training a visually impaired person to move and act on a terrain by using a geomagnetic sensor, The present invention relates to a geographical education method for a visually impaired person using a geomagnetic sensor for training a coping method for various virtual terrain without physical collision.

Generally, a geomagnetic sensor is a sensor capable of measuring magnitude from a geomagnetic direction and a vibration period. The geomagnetism sensor is a magnetic sensor using a magnetic coercive force of a proton, A quantum magnetometer, an optical pumping magnetometer using rubidium or cesium atom emitter effect, and SQUID using superconducting phenomenon.

In addition, in general, smart phones are popularized by most people, and they are being used in real life, and a variety of objects linked to smart phones are becoming popular.

As a related art, a direction guiding device for a visually impaired person of Registration No. 10-0683018, which is installed in a moving progress direction of a visually impaired person, includes a position coordinate in which a visually impaired person is located by coordinates in the X axis and Y axis An A / D converter for converting an amplified direction coordinate signal, which is an analog signal input from the amplifier, into a digital signal; A direction indicator for guiding the visually impaired to recognize the magnetic north direction in a place where the visually impaired person is located, a power source for supplying electric power, and a direction indicator for indicating a magnetic north direction using the direction coordinate signal inputted from the A / And a controller for generating a magnetic north direction signal and controlling the magnetic head direction signal to be output to the direction guide section; Wherein the direction guide portion is mounted inside a cylindrical elastic band and includes a vibration motor portion in which a plurality of vibration motors are arranged at regular intervals and a plurality of vibration motors disposed in the vibration motor portion, And a magnetic north selection direction multiplexer for inputting a magnetic north orientation signal to the corresponding vibration motor indicating the magnetic north direction of the plurality of vibration motors by the azimuth signal, wherein the number of the vibration motors is one Wherein said guide means comprises a reference vibration motor and 23 orientation indicating vibration motors arranged at intervals of 15 degrees within said cylindrical elastic band.

Another prior art is a navigation apparatus and method for a visually impaired person of a mobile communication terminal of Registration No. 10-0584148, which includes a GPS receiver for receiving and providing position information from a mobile communication system or a satellite, Provide the western marshall western part; A direction database for storing and providing map information, coordinate information, building information, and the like; An audio output unit for providing a guidance service to the visually impaired by voice; And a controller for comparing the map information and the coordinate information of the direction database according to the position and direction information received from the GPS receiver and the western cadastral western part to control the visually impaired to guide the movement route to the visually impaired person. And is described as a navigation device for a visually impaired person of a communication terminal.

However, the above-mentioned conventional apparatus has a disadvantage in that it can not teach virtual people how to deal with how a visually impaired person moves and behaves in various terrains without sounding a physical attack using sound.

Accordingly, in order to educate the method of coping with visually impaired persons moving and acting on the terrain by the geographical sensor using the geomagnetic sensor, the sound outputted from the sound output unit can be used as a sound without any physical collision The present invention provides a method of training a visually impaired terrain using a geomagnetic sensor for training.

The present invention detects a geomagnetism in a headset 100, calculates location information of a user, communicates with a smart phone 200 in which an application is installed, transmits the location information of the user to the smart phone 200, The headset 100 determines whether a collision is to be planned based on the received user's location and pre-stored virtual terrain information. The headset 100 transmits the expected collision to the headset 100 via the Bluetooth communication. In the headset 100, And outputs a sound depending on whether or not it is scheduled.

The present invention relates to a method of training a visually impaired person using a geomagnetic sensor to educate a visually impaired person on the terrain to cope with moving and behaving in a terrain, .

1 is a block diagram of a headset and a smartphone of a visually impaired terrain training method using a geomagnetic sensor according to the present invention.
FIG. 2 is a flowchart of a headset and a smartphone of a visually impaired terrain teaching method using a geomagnetic sensor according to the present invention.
FIG. 3 is a flow chart of a game for a visually impaired person in the method of terrain education for the visually impaired using the geomagnetic sensor of the present invention
FIG. 4 is a view showing an execution screen of an application output to the display unit of the visually impaired terrain teaching method using the geomagnetic sensor of the present invention.
FIG. 5 is a conceptual diagram of a headset equipped with a geomagnetic sensor of a visually impaired terrain teaching method using a geomagnetic sensor according to the present invention.

The present invention detects a geomagnetism in a headset 100, calculates location information of a user, communicates with a smart phone 200 in which an application is installed, transmits the location information of the user to the smart phone 200, The application of the mobile terminal 200 determines whether a collision is to be planned or not based on the received location information of the user and the previously stored virtual terrain information and transmits the expected impact to the headset 100 via the Bluetooth communication, And outputs a sound according to whether the received collision is scheduled.

Also, one or more virtual obstacle information is stored in the virtual terrain information, and one virtual obstacle information includes the position of the obstacle and the type of the obstacle.

The headset 100 includes a geomagnetism sensor 110 for detecting a direction of the geomagnetism and an intensity of the geomagnetism in the direction of the geomagnetism sensor 110, A central processing unit (120) for a headset for calculating a current position through coordinates of a user and a key stored in a storage space; and a controller for controlling the current position calculated by the central processing unit for headset (120) And a headset output unit 140 for outputting a different sound depending on whether a collision is to be received in the smart phone 200. [

The smartphone 200 further includes a Bluetooth module 210 for a smart phone that communicates via Bluetooth communication and a Bluetooth module 210 for computing the current location received by the Bluetooth module 210 for the smartphone and the virtual terrain information stored in advance, A central processing unit 220 for a smart phone for judging whether or not the virtual terrain is being trained, and a display unit 230 for outputting a virtual terrain during training.

In addition, an execution screen of an application is output to the display unit 230, and a virtual terrain corresponding to a search progress time, a latitude, a longitude, and a user's current location is output to the execution screen.

The present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of a headset and a smartphone of a visually impaired terrain training method using the geomagnetic sensor of the present invention, FIG. 2 is a flowchart of an operation of a headset and a smartphone of a visually impaired terrain teaching method using the geomagnetic sensor of the present invention, FIG. 4 is a flowchart showing an application running on the display unit of the visually impaired terrain teaching method using the geomagnetic sensor of the present invention. FIG. This is a conceptual diagram of a headset equipped with a geomagnetic sensor of a visually impaired terrain teaching method using sensors.

The present invention detects geomagnetism in a headset 100 provided with a geomagnetism sensor 110 and calculates position information of a user through a central processing unit 120 for a headset, And transmits the position information of the user to the smart phone 200 by Bluetooth communication with the mobile terminal 200. The user position information includes x, y, z absolute coordinates and the user's orientation.

In the smartphone 200, the central processing unit 220 of the smartphone determines whether or not to be collided, based on the received location information of the user, the user's key, and the virtual terrain information including the virtual obstacle location, Whether or not a collision is scheduled is transmitted to the headset 100 via the Bluetooth communication. The expected collision may include a distance between the user location information and the closest virtual obstacle set in the virtual terrain information through the stored key, Lt; / RTI > One or more virtual obstacle information is stored in the virtual terrain information, and one virtual obstacle information includes the position of the obstacle and the type of the obstacle.

The headset 100 outputs sounds from the headset sound output unit 140 according to whether a collision is to be received or not. The headset 100 determines whether the headset 100 is to be collided, The central processing unit 120 for headset controls the intensity of sound output to the headset sound output unit 140, which is an apparatus for converting electrical energy into acoustic energy. The sound you choose from is different.

In one embodiment according to the distance from the virtual obstacle, when the distance between the virtual obstacle and the front virtual obstacle is 10 m, the size of the sound is smaller and the distance from the front virtual obstacle is shorter, .

According to the virtual obstacle type, the sound selected by the central processing unit 120 for the headset according to the type of the virtual obstacle includes an obstacle moving like a person or a vehicle, an obstacle without a motion, The number of obstacles that can be dangerous is set to a different sound, and each sound is a sound or a warning sound that can remind the subject of the characteristics.

In the Bluetooth communication, the headset Bluetooth module 130 installed in the headset 100 and the Bluetooth module 210 for a smartphone installed in the smart phone 200 communicate with each other to exchange data.

The smart phone 200 and the headset communicate with each other via Bluetooth. When the Bluetooth communication is interrupted, the application is terminated and the headset is also in a standby state.

Generally, the compass always points in a certain direction because the earth has a magnetic field. The magnetic field of the earth is called a geomagnetism. The horizontal magnetic force, dip angle and declination measured at each point are measured through the geomagnetism , And the azimuth sensor 110 can measure the azimuth through the measured data.

In addition, the geomagnetic sensor 110 has a size that can be embedded in the headset 100, and the geomagnetic sensor 110 has a length of 3 cm or less.

In addition, an x-axis sensor, a y-axis sensor, and a z-axis sensor are installed in the geomagnetic sensor 110 to detect geomagnetism, and the geomagnetism measured in the x-, y-, and z- And calculates the user position information including the absolute coordinates of the geomagnetic sensor 110 and the user's traveling azimuth in the central processing unit 120 for the headset.

When the application of the smart phone 200 is executed, a user's key, which is body data, can be input through a screen displayed on the display unit 230, and a user's key input by the user is preferentially stored.

However, if the key is not input, the application may calculate the user's position information per unit time and measure the user's position information. Then, the average key is stored in the smartphone central processing unit 220 do.

In general, the formula for calculating the stride times the stride times about 2.7 times the approximate key is measured.

When the application is executed, the smartphone 200 and the headset 100 are connected to each other through a Bluetooth connection. In a first step 401, an application for sending a signal to the headset 100 by selecting an education item after the application first step 401, Step 402; An application 3 step (403) for receiving user location information in the headset (100) after the application second step (402); An application 4 step (404) of judging whether or not to be collided by comparing the location information received in the third step (403), the user's key, and virtual terrain information; An application 5 step (405) of transmitting, to the headset (100) via Bluetooth communication, whether or not a collision determined in the application 4 step (404) is determined; And repeats the process from the application 3 step 403 to the application 5 step 405 and thereafter.

In the first step 401 of the application, the Bluetooth module for a headset 130 is always in a standby state for Bluetooth connection. When a connection signal is transmitted through the Bluetooth module for a smartphone 210, Bluetooth communication is enabled.

The application 2 step 402 sets virtual location information corresponding to the selected education item when the education item is selected in a state where the Bluetooth communication is enabled, and sends a signal to the Bluetooth module 130 for headset before switching the screen do.

In the third application step 403, position information transmitted from the headset Bluetooth module 130 is received through the Bluetooth module 210 for a smartphone, and the position value of the first received position information is the start position value of the virtual terrain information .

If the starting location value is subtracted from the location value of the received location information, the virtual location is calculated, and the virtual location information and the virtual terrain information are confirmed, and the virtual location information If there is a virtual obstacle at a certain distance ahead, it is determined whether or not the collision is scheduled.

The application 5 step 405 is to transmit the expected conflict to the headset 100 through the Bluetooth communication determined in the application 4 step 404 and the headset 100 The sound output unit 140 for the headset of the mobile terminal 100 outputs sound.

In addition, the headset 100 includes a headset 1 step 301 for accepting a Bluetooth connection when receiving a signal request through an application first step 401 in a standby state; A headset 2 step 302 receiving a signal in the application 2 step 402 after the headset 1 step 301; A headset 3 step 303 for calculating the user location information by sensing the movement of the user in the central processing unit 120 for the headset, the geomagnetism value sensed by the geomagnetic sensor 110 after the headset 2 step 302; A headset 4 step 304 for transmitting the user location information calculated in the third headset 303 to the Bluetooth module 210 for a smartphone through a Bluetooth communication for a headset; A fifth step (305) of a headset 5 for outputting sound from the sound output unit 140 according to whether a collision is received or not, which is received from the Bluetooth module 210 for a smartphone after the fourth headset 304; , And repeats the process from the headset 5 step 305 to the headset 3 step 303. [

Meanwhile, the game 500 for training for the visually impaired can be executed through the application. The game 500 for training for the visually impaired includes an execution step 501 in which a game is executed; An item acquisition and movement step (502) in which a user moves after the execution step (501), acquires an item of each position and opens a door of a destination; A destination arrival step (503) for entering a destination door after the item acquisition and movement step (502); The sound that is designated when the item is acquired and reaches the destination door is output, and the destination door is opened when all the items are acquired.

4, an execution screen of the application is displayed on the display unit 230. The execution screen displays a virtual topography corresponding to the search progress time, latitude, longitude, user location information, and user's key .

And outputs the number of the items to the sound output unit 140 for the headset when acquiring the item.

And outputs a sound that the sound output unit 140 for a headset reaches when reaching the destination door.

The game 500 for training for the visually impaired can control the terrain difficulty through an application.

Therefore, in order to educate the visually impaired people how to move and act on the terrain, the geographical education method of the visually impaired using the geomagnetic sensor of the present invention teaches the sound outputted from the sound output part without physical collision in various virtual terrains It is effective.

100: Headset 110: Geomagnetic sensor
120: central processing unit for headset 130: Bluetooth module for headset
140: sound output unit
200: Smartphone 210: Bluetooth module for smartphone
220: central processing unit for smart phones 230: display unit
301: Headset 1 Step 302: Headset 2
303: Headset 3 Step 304: Headset 4
305: Headset Step 5
401: Application 1 Step 402: Application 2 Step
403: Application 3 Step 404: Application 4 Step
405: application step 5
500: Game for the blind training 501: Action stage
502: Item acquisition and movement step 503: Destination arrival step

Claims (5)

The location information of the user is sensed by the headset 100, the location information of the user is computed, and Bluetooth communication is performed with the smartphone 200 in which the application is installed to transmit the location information of the user to the smartphone 200, The headset 100 determines whether a collision is to be planned or not based on the received location information of the user and the previously stored virtual terrain information. The headset 100 transmits the expected collision to the headset 100 via the Bluetooth communication. A method of teaching a visually impaired terrain using a geomagnetic sensor for outputting sound according to the method,
The headset 100 includes a geomagnetism sensor 110 for detecting the direction of the geomagnetism and the intensity along the direction, and a controller 120 for calculating the intensity of the direction detected by the geomagnetic sensor 110, A central processing unit (120) for a headset for calculating a current position through a user's key stored in a storage space; and a controller for controlling the current position calculated by the central processing unit for headset (120) And a sound output unit 140 for a headset for outputting a sound according to whether a collision is to be received in the smart phone 200. In this case,
The headset sound output unit 140 outputs each sound according to whether the received collision is scheduled or not, and the sound energy output unit 140 outputs electric energy to the headset central processing unit 120 according to the distance to the virtual obstacle, The sound output unit 140 for the headset controls sound intensity of the headset sound output unit 140,
The virtual terrain information includes one or more virtual obstacle information, the virtual obstacle information includes a position of the obstacle and a kind of the obstacle, and the sound selected by the central processing unit for headset (120) Lt; / RTI &
The smartphone 200 includes a Bluetooth module 210 for a smart phone that communicates via Bluetooth communication, and a controller 210 for calculating the current location received by the Bluetooth module 210 for the smartphone and virtual terrain information stored in advance, A central processing unit 220 for the smartphone to judge whether the virtual terrain is in training, and a display unit 230 for outputting the virtual terrain in education.
An execution screen of an application is output to the display unit 230, and a virtual terrain, which is a search progress time, a latitude, a longitude, and a user's current location, is output to the execution screen, and the virtual terrain information includes one or more virtual obstacle information And one virtual obstacle information includes the position of the obstacle and the kind of the obstacle,
When the application is executed, a first Bluetooth connection step (401); An application second step (402) for selecting a training item after the application first step (401) and sending a signal to the headset (100); An application 3 step (403) for receiving user location information in the headset (100) after the application second step (402); An application 4 step (404) of judging whether or not to be collided by comparing the location information received in the third step (403), the user's key, and virtual terrain information; An application 5 step (405) of transmitting, to the headset (100) via Bluetooth communication, whether or not a collision determined in the application 4 step (404) is determined; And is repeatedly executed from the third application 403 to the application 5 step 405 after the application 5 step 405,
The game 500 for training for the visually handicapped can be executed through the application,
A game 500 for training the visually impaired can be executed through the application. The game 500 for training for the visually impaired includes an execution step 501 in which a game is executed; An item acquisition and movement step (502) in which a user moves after the execution step (501), acquires an item of each position and opens a door of a destination; A destination arrival step (503) for entering a destination door after the item acquisition and movement step (502); Wherein a sound designated when the item is acquired and a destination door is outputted is displayed, and a destination door is opened when all the items are acquired.
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KR101926429B1 (en) * 2017-11-02 2019-03-07 이진표 Headset with safety accident prevention and noise canceling function.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006163175A (en) * 2004-12-09 2006-06-22 National Institute Of Advanced Industrial & Technology Walking training environment generation system for visually handicapped person
JP2007029235A (en) * 2005-07-25 2007-02-08 Yamaha Motor Co Ltd Movable body system and program for movable body system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006163175A (en) * 2004-12-09 2006-06-22 National Institute Of Advanced Industrial & Technology Walking training environment generation system for visually handicapped person
JP2007029235A (en) * 2005-07-25 2007-02-08 Yamaha Motor Co Ltd Movable body system and program for movable body system

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