KR100907954B1 - Blind Guidance Device - Google Patents

Abstract

The present invention relates to a visually impaired guide device, and more particularly, a memory unit for storing guide information including voice information for guiding the blind, and a modulator for modulating the guide information stored in the memory unit into an analog signal. And a transmission unit for transmitting the analog signal modulated by the modulation unit, and a loop coil installed at a guide site for informing the visually impaired guide information and outputting the analog signal output by the transmission unit as a low frequency signal. A guide information transmitter; A receiver configured to receive a low frequency signal outputted from the loop coil of the guide information transmitter, a body mounted to a lower end of the body, an amplifier configured to amplify the low frequency signal received from the receiver, and amplified signal from the amplifier. It relates to a visually impaired guide device, characterized in that consisting of; a speaker comprising an output and a wand comprising a power supply for supplying power to the receiver.

According to the present invention configured as described above, since the guide information including voice information for guiding the visually impaired is output through the speaker of the cane, the visually impaired person passes the pedestrian crossing and the corridor of the building or the road more safely and freely. It can work.

Description

Blind Guidance Device {GUIDANCE EQUIPMENT FOR THE BLIND}

The present invention provides a memory unit for storing guide information including voice information for guiding the visually impaired, a modulator for modulating guide information stored in the memory unit into an analog signal, and an analog signal modulated by the modulator. A guide information transmitter configured to include a transmitting unit and a loop coil installed at a guide for informing guide information to the visually impaired and outputting an analog signal output by the transmitter as a low frequency signal; A receiver configured to receive a low frequency signal outputted from the loop coil of the guide information transmitter, a body mounted to a lower end of the body, an amplifier configured to amplify the low frequency signal received from the receiver, and amplified signal from the amplifier. It relates to a visually impaired guide device, characterized in that consisting of; a speaker comprising an output and a wand comprising a power supply for supplying power to the receiver.

In general, the visually impaired person can recognize the position and the danger by detecting the guided tile on the floor with a cane. In this way, the visually impaired person cannot know the exact current position and the direction to proceed.

On the other hand, in recent years to provide information on the progress direction and information on a specific location to the visually impaired to inform the current location information, a road guidance system for inducing safe walking to the destination is proposed as registered Patent Publication No. 10-0751819 It has been.

Specifically, the registered Patent Publication No. 10-0751819 (Road Guidance System) generates the induced electromotive force by receiving the wireless power wave applied from the outside through the coil antenna, the position previously stored in the memory according to the operation A road guide marker block which reads information and retransmits it to the outside through the coil antenna; By applying a predetermined radio wave to the road guide beacon block, inducing the activation of the road guide beacon block and receiving the location information transmitted from the road beacon beacon block through the predetermined process, the voice of the road guide voice through the voice output means Wireless sensing wand outputting information; consisting of a guided message to the visually impaired to guide the safe area.

However, the coil antenna, the control unit, and the memory installed inside the road guide cover block have the same configuration as the RFID tag, and the RFID tag has a narrow recognition area, so that the volume of the cane is greatly increased if the transmission distance is about 10 to 20 cm. There is a problem that the portability of the cane is degraded and the power consumption of the cane is greatly increased, making it difficult to use for a long time. Furthermore, since the voice synthesizer provided in the wireless sensing wand receives the code transmitted from the road guide cover block and synthesizes the transmitted code with the built-in voice, it is troublesome to upgrade the voice synthesizer when a new road guide cover block is installed in the road. There is a problem with this.

In addition, an electronic wand for the visually impaired person who notifies the presence of a road junction, a traffic light, etc. using an RFID tag installed on a sidewalk block for the visually impaired and a road guidance method using the same are disclosed in Korean Patent Application Publication No. 10-2008-0050109 It was proposed as an arc.

Specifically, Publication No. 10-2008-0050109 (Electronic wand for the visually impaired and a road guidance method using the same) communicates with an RFID tag inserted in a sidewalk block for the visually impaired located within a predetermined communication radius. An RFID communication unit; An RFID reader for reading road guidance information from an RFID tag located within the communication radius; And an output unit for outputting the road guide information to the outside, so that the blind person can be accurately and quickly informed of the road guide information through a voice.

However, since the RFID reader is an expensive device, there is a problem in that it is not suitable to be installed and used in the sidewalk block for the visually impaired.

The present invention was created in order to solve the above-mentioned problems, and because the guide information including voice information for guiding the visually impaired is output through the speaker of the cane, the visually impaired person is for example a crosswalk and a corridor or road of a building. Not only can the passage of the safer and more freely pass, but also the power consumption of the cane's power supply is greatly reduced, so that the cane can be used for a long time, and the structure of the cane is simple and its volume is small compared to the conventional one. The purpose of the present invention is to provide a visually-impaired guide device that can be widely commercialized and can be widely used, and does not need to upgrade the cane.

The present invention for achieving the above object,

A memory unit for storing guide information including voice information for guiding the visually impaired, a modulator for modulating the guide information stored in the memory unit into an analog signal, a transmitter for transmitting an analog signal modulated by the modulator; A guide information transmitter including a loop coil installed at a guide for informing guide information to the visually impaired and outputting an analog signal output by the transmitter as a low frequency signal;

A receiver configured to receive a low frequency signal outputted from a loop coil of the guide information transmitter, the body and a lower end of the body; an amplifier configured to amplify the low frequency signal received from the receiver; and an amplified signal. It provides a guide for the visually impaired comprising a speaker; and a wand comprising a power supply for supplying power to the receiver.

In particular, the loop coil of the guide information transmitter is installed at the bottom of the crosswalk, and the guide information of the memory unit includes signal light conversion guide voice information and remaining time guide voice information.

The guide information transmitter may be configured to store signal conversion time information and remaining time information based on a signal input unit for receiving a conversion signal of a traffic light installed in a crosswalk, and a signal conversion signal of a signal light input to the signal input unit, and then stored in the memory unit. It is preferable that the control unit for extracting the corresponding information from the guide information to output to the modulator.

In addition, the interval between the loop coils of the guide information transmitter embedded in the longitudinal direction at the bottom of the crosswalk is preferably 50 cm or more.

In addition, the loop coil of the guide information transmitter is installed on the floor of the corridor of the building or the road, the guide information of the memory unit includes the voice information of the location of the building or the road,

Preferably, the guide information transmitter includes a controller configured to output guide information stored in the memory unit to the modulator at regular intervals.

In particular, the cane is provided with a detection sensor for detecting the movement of the cane, and a control unit for controlling the power supply unit to supply power to the receiver for a predetermined time when the detection sensor detects the movement of the cane. desirable.

And the power supply of the wand comprises a charging battery, and an induction electromotive force receiving unit for receiving the induction electromotive force to charge the rechargeable battery,

It is preferable to further include a cane holder equipped with an induction electromotive force conversion unit for converting an external power source into induction electromotive force, and an induction electromotive force transmission unit for transmitting the induction electromotive force converted by the induction electromotive force conversion unit to the outside.

According to the present invention, since the guide information including voice information for guiding the visually impaired is output through the speaker of the cane, the visually impaired person can pass through the crosswalk and the corridor of the building or the road more safely and freely. In addition, in particular, since the loop coil of the guide information transmitter extends in the longitudinal direction at the bottom of the crosswalk, the guide information transmitter corresponding to the conventional road guide marker block can be easily and conveniently installed on the crosswalk. Since there is no need to use expensive RFID, there is an effect that the installation cost of the guide information transmitter can be greatly reduced.

And a signal input unit for receiving a converted signal of a signal lamp installed in a crosswalk on the guide information transmitter and a signal conversion time information and remaining time information based on the converted signal of the signal lamp input to the signal input unit. By including a control unit for extracting the corresponding information from the guide information stored in the output to the modulator, there is an effect that the blind can pass the crosswalk more safely.

In addition, since the inner distance of the loop coil of the guide information transmitting section embedded in the "II" shape extending in the longitudinal direction at the center of the bottom of the crosswalk is 50 cm or more, the shoulders may collide with each visually impaired person who crosses the crosswalk. There is no effect of concern.

In addition, when the roof coil of the guide information transmitter is installed on the floor of the corridor or road of the building, the visual information of the location of the building or the road is included in the guide information of the memory unit. The floor of the sidewalk of the can also pass more securely, and in particular, the control unit for outputting the guide information stored in the memory unit of the guide information transmission unit at regular intervals, thereby providing a floor of the sidewalk of the building corridor or road The visually impaired person who passes can easily identify the location of the traffic.

In addition, the cane is provided with a sensor for detecting the movement of the cane and a control unit for controlling the power supply unit to supply power to the receiver for a preset time when the sensor detects the movement of the cane. The power consumption of the supply part is greatly reduced, so that it can be used for a long time, and furthermore, since the structure of the cane is simple and its volume is smaller than in the related art, the manufacturing cost can be greatly reduced, which can be widely commercialized and hassle-free. There is no need to upgrade the staff.

In addition, the power supply of the wand includes a charging battery, an induction electromotive force receiving unit for receiving the induction electromotive force to charge the charging battery, an induction electromotive force conversion unit for converting an external power source into an induction electromotive force, and the induction electromotive force conversion The wand holder equipped with an induction electromotive force transmitter for transmitting the induction electromotive force converted by the unit to the outside is further provided, so that the power supply of the charging battery of the power supply unit can be more easily charged.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the visually impaired guide apparatus according to the present invention will be described with reference to the accompanying drawings. However, the present invention is not limited to the following embodiments of the present invention, and the technical scope of the present invention is within the scope of the present invention. Of course, it can be variously modified by those skilled in the art.

1 is a block diagram schematically showing a visually impaired guide apparatus according to an embodiment of the present invention.

The visually impaired guide apparatus of one embodiment of the present invention is largely composed of a guide information transmitter 10 and a cane 30, as shown in FIG.

First, the guide information transmitting unit 10 is for informing the visually impaired guide information, the memory unit 110 is largely stored, the guide information including voice information for guiding the blind; A modulation unit 120 for modulating the guide information stored in the memory unit 110 into an analog signal; A transmitter 130 for transmitting an analog signal modulated by the modulator 120; It is embedded in the guide for informing the visually impaired information, and comprises a loop coil 140 for outputting the analog signal output by the transmitter 130 as a low frequency signal.

Here, the memory unit 110 is a non-contact EEPROM (Electrical Erasable Programmable Read Only meomry) and a flash (Flash) that is easy to store, modify, and change guide information including voice information for guiding the visually impaired even when power is not provided. It may be made of a memory or the like, but is not necessarily limited thereto.

And, the wand 30 is for guiding the visually impaired guide information including voice information, the body (309 of Figure 8); A receiver 310 mounted to a lower end of the body 309 to receive a low frequency signal output from the loop coil 140 of the guide information transmitter 10; An amplifier 320 for amplifying the low frequency signal received by the receiver 310; A speaker 330 for outputting the amplified signal to the amplifier 320; And a power supply unit 340 for supplying power to the receiver 310.

Meanwhile, the roof coil 140 of the guide information transmitter 10 may be buried in the floor of the crosswalk 920 and the floor of the corridor of the building or the sidewalk 910 of the road 930, for example.

2 is a plan view schematically illustrating a state in which the guide information transmitter 10 is installed in the crosswalk 920, FIG. 3 is a longitudinal cross-sectional view taken along the line A-A of FIG. 2, and FIG. 4 is a cross-sectional view of the crosswalk 920. FIG. 1 is a block diagram schematically illustrating a state in which the signal input unit 160 and the controller 150 are included in the installed guide information transmitter 10.

First, as shown in FIG. 2 and FIG. 3, when the loop coil 140 of the guide information transmitting unit 10 is embedded in the bottom of the crosswalk 920, the memory unit 110 of FIG. The guide information includes traffic light conversion guide voice information 112 and remaining time guide voice information 114,

The guide information transmitter 10 includes a signal input unit 160 for receiving a conversion signal of a traffic light 915 installed in the crosswalk 920; After calculating the traffic light conversion time information and the remaining time information based on the conversion signal of the traffic light 915 input to the signal input unit 160, the corresponding information is extracted from the guide information stored in the memory unit 110 and the modulation It is preferable that the control unit 150 output to the unit 120 is included.

More specifically, when the traffic light 915 is converted from green to red or from red to green, the signal input unit 160 receives this and outputs the signal to the controller 150, wherein the controller 150 After calculating the time that the signal lamp 915 is turned on in the green state or is maintained in the red state and the remaining time is turned on in the green state or the remaining time is turned on in the red state by receiving an external power The corresponding information is extracted from the guide information stored in the memory and output to the modulator 120.

Here, the guide information extracted by the controller 150 and output to the modulator 120 is modulated into an analog signal through the modulator 120, and at this time, the transmitter 130 is connected to the modulator 120. Guide information modulated by an analog signal to the loop coil 140, and the loop coil 140 receives the analog signal output by the transmitter 130 as a low frequency signal at the receiver 310 of the cane 30. Will be printed.

When the receiver 310 of the wand 30 receives the low frequency signal output from the loop coil 140 of the guide information transmitter 10, the amplifier 320 is received by the receiver 310. The low frequency signal is amplified, and the speaker 330 of the cane 30 first outputs the amplified signal to the amplifying unit 320, for example, "Red light. Stop." After a certain time, the voice output "30 seconds, 29 seconds, 28 seconds ..... 2 seconds, 1 second, green light. Please skip." Or "Green light. Please skip." After a certain time, the voice will output "30 seconds, 29 seconds, 28 seconds, ..... 2 seconds, 1 second, red light. Stop."

The signal input unit 160 for receiving the converted signal of the traffic light 915 installed in the crosswalk 920 to the guide information transmitter 10 as described above; After calculating the traffic light conversion time information and the remaining time information based on the conversion signal of the traffic light 915 input to the signal input unit 160, the corresponding information is extracted from the guide information stored in the memory unit 110 and the modulation By including the control unit 150 output to the unit 120, there is an advantage that the blind can pass the crosswalk 920 more safely.

In addition, as shown in FIG. 2, since the loop coil 140 of the guide information transmitter 10 extends in the longitudinal direction of the crosswalk 920 and may be elongated, it corresponds to the conventional road guide marker block. The guide information transmitter 10 can be installed more easily and simply on the crosswalk 920.

In addition, since the loop coil 140 of the guide information transmitter 10 outputs the low frequency signal TA to the receiver 310 of the cane 30, as shown in FIG. There is also no fear of crosstalk with the guide information transmitter 10 provided at 920.

On the other hand, as shown in Figure 2, for example, the inner interval of the loop coil 140 of the guide information transmitter 10 is extended in the longitudinal direction in the center of the bottom of the crosswalk 920 buried in the "II" shape ( S) should be more than 50cm.

This is to prevent the visually impaired people passing through the crosswalk 920, in particular, the shoulders to collide with each other.

If the inner space S of the loop coil 140 of the guide information transmitter 10 is less than 50 cm, the visually impaired persons passing through the crosswalk 920, in particular, the shoulders may collide with each other.

FIG. 5 is a plan view schematically illustrating a state where the guide information transmitter 10 is installed on a floor of a sidewalk 910 of a corridor or a road 930 of a building, and FIG. 6 is a loop coil 140 of the guide information transmitter 10. FIG. 7 is a cross-sectional view schematically illustrating a state in which a circular shape is installed on a floor of a sidewalk 910 of a corridor or a road 930 of the building, and FIG. 7 is a guide installed on a floor of a sidewalk 910 of a corridor or a road 930 of a building. A block diagram schematically illustrating a state in which the control unit 150 is included in the information transmitting unit 10.

Next, as shown in FIGS. 5 and 6, the roof coil 140 of the guide information transmitter 10 is placed on the floor of the corridor (not shown) of the building (not shown) or the sidewalk 910 of the road 930. When buried as shown in FIG. 7, the guide information of the memory unit 110 includes guide voice information 116 of a location of a building or a road 930.

The guide information transmitter 10 may include a controller 150 for outputting guide information stored in the memory unit 110 to the modulator 120 at regular intervals.

Here, the loop coil 140 of the guide information transmitting unit 10 is, for example, as shown in Figures 5 and 6, for example, inside the braille block 912 installed on the floor of the sidewalk 910 of the road 930. It may be provided in a circular shape or the like.

And, the voice information 116 of the location of the building or the road 930 is, for example, "Seoul City Hall front gate entrance", "Gwanghwamun crossroads", "Gangbuk-gu Office Crosswalk 920", "Guro-dong 000- 000 address It can be composed of Hangul complete code and numeric code data such as ".

More specifically, the controller 150 receives external power, for example, 10 seconds of guide information stored in the memory unit 110, that is, guide information of a location of a building (not shown) or a road 930. Each time it is output to the modulator 120.

The guide information of the location of the building (not shown) or the road 930 output by the control unit 150 to the modulator 120 at regular intervals is modulated into an analog signal through the modulator 120. 130 outputs the guide information modulated into an analog signal by the modulator 120 to the loop coil 140, and the loop coil 140 outputs an analog signal output by the transmitter 130 at low frequency. The signal is output to the receiver 310 of the cane 30.

When the receiver 310 of the wand 30 receives the low frequency signal output from the loop coil 140 of the guide information transmitter 10, the amplifier 320 is received by the receiver 310. The low frequency signal is amplified, and the speaker 330 of the cane 30 is a signal amplified by the amplifier 320, for example, "A point." , "Point B." "C point" will sound every 10 seconds.

As such, when the roof coil 140 of the guide information transmitter 10 is installed on the floor of the corridor of the building or the sidewalk 910 of the road 930, the building or road 930 may be included in the guide information of the memory 110. Since the guide voice information 116 of the location of the) is included, the blind person can pass even more securely through the floor of the sidewalk 910 of the corridor of the building or the road 930, in particular, the guide information transmitter 10 The controller 150 outputs the guide information stored in the memory unit 110 to the modulator 120 at regular intervals, such that the time passes through the floor of the sidewalk 910 of the corridor or road 930 of the building. There is an advantage to be able to identify the location where people with disabilities pass easier.

8 is a perspective view schematically showing a cane 30 according to the present invention.

On the other hand, the cane 30 may be manufactured in various forms such as a T-shape, it is preferable to be made in the form of an antenna or a fishing rod that can be adjusted in length so that the visually impaired is convenient to carry.

In addition, the guide unit 310 of the cane 30 is installed on the floor of the crosswalk 920 or the corridor (not shown) of the building (not shown) or the floor of the sidewalk 910 of the road 930. As shown in FIG. 8, the receiver 310 of the cane 30 is provided at the bottom of the cane 30 so as to more easily receive the low frequency signal output by the loop coil 140 of the transmitter 10. It is good.

In addition, the roof coil 140 of the guide information transmitter 10 is buried in the floor of the crosswalk 920 or the corridor (not shown) of the building (not shown) or the sidewalk 910 of the road 930. Although described above, it may be wound in a circular shape or the like inside the lower end of the cane 30 to be located at a distance adjacent to the receiver 310.

FIG. 9 is a block diagram schematically illustrating a cane 30 including a receiver 310, an amplifier 320, a speaker 330, and a power supply 340.

In addition, as shown in Figure 9, the cane 30 has a sensor 360 for detecting the movement of the cane 30; When the detection sensor 360 detects the movement of the cane 30, the control unit 350 for controlling the power supply unit 340 so that power is supplied to the receiver 310 for a predetermined time; Even better.

Here, the sensor 360 may detect the movement of the cane 30 through, for example, beads (not shown) embedded in the cane 30.

More specifically, the bead (not shown) is oscillated when the cane 30 is moved in various directions, wherein the detection sensor 360 detects the vibration generated when the bead (not shown) is oscillated. The movement of the cane 30 is detected.

The detection sensor 360 that detects the movement of the cane 30 outputs a signal to the control unit 350, and the control unit 350 is set in advance according to the signal output from the detection sensor 360. The power supply unit 340 is controlled to supply power to the receiver 310 during the time.

Although not shown in the drawing, the control unit 350 may be provided with a setting button for setting a time for which power is supplied to the receiving unit 310 by dialing or the like.

10 is a flowchart schematically illustrating a control state of the control unit 350 controlling the power supply unit 340 according to the signal output from the detection sensor 360.

More specifically, when the detection sensor 360 detects the movement of the cane 30, as shown in FIG. 10, the controller 350 supplies the power to the receiver 310 for a preset time. The supply unit 340 is controlled to the ON state,

If a predetermined time has elapsed in the control unit 350, the control unit 350 controls the power supply unit 340 to be in an OFF state to block supply of power to the receiving unit 310.

In addition, when there is no movement of the cane 30, the detection sensor 360 detects this and outputs the signal to the control unit 350. In this case, the control unit 350 outputs the signal from the detection sensor 360. In response to the signal, the power supply unit 340 is controlled to be in an OFF state to cut off power supply to the receiver 310.

As such, when the sensor 30 detects the movement of the cane 30 and the detection sensor 360 detects the movement of the cane 30, the receiving unit 310 is preset for a predetermined time. By providing a control unit 350 for controlling the power supply unit 340 to supply power to the power supply, the power consumption of the power supply unit 340 is greatly reduced and can be used for a long time, as well as the cane ( Since the structure of 30) is simple and its volume is small, the manufacturing cost can be greatly reduced, so that it can be widely commercialized and has the advantage of not having to upgrade the cane 30 cumbersomely.

FIG. 11 is a cross-sectional view schematically illustrating a cane holder 50 according to the present invention, and FIG. 12 is a block diagram schematically illustrating a process in which the rechargeable battery 344 is charged.

Next, as shown in FIGS. 11 and 12, the power supply unit 340 of the cane 30 includes a charging battery 344; An inductive electromotive force receiving unit 342 for receiving an inductive electromotive force to charge the charging battery 344; and an inductive electromotive force converting unit 510 for converting an external power source into inductive electromotive force; The rod holder 50 is equipped with an induction electromotive force transmitter 520 for transmitting the induction electromotive force converted by the induction electromotive force converter 510 to the outside.

Here, the cane holder 50 may be fixed to the wall 950 by a fixing member (not shown) such as a bolt as shown in FIG. 11.

The charging battery 344, the induction electromotive force receiving unit 342, the induction electromotive force converting unit 510 and the induction electromotive force transmitting unit 520 is a well-known technology and those skilled in the art to which the present invention pertains clearly understood Detailed descriptions thereof will be omitted below.

As such, the power supply unit 340 of the cane 30 includes a charging battery 344 and an induction electromotive force receiving unit 342 which receives the induction electromotive force to charge the charging battery 344, and uses an external power source. The wand holder 50 is further provided with an induction electromotive force converting unit 510 for converting the induction electromotive force, and an induction electromotive force transmitting unit 520 for transmitting the induction electromotive force converted by the induction electromotive force converting unit 510 to the outside. By being provided, there is an advantage that it is possible to more easily charge the power to the charging battery 344 of the power supply 340.

According to the present invention configured as described above, because the guide information including voice information for guiding the visually impaired is output through the speaker 330 of the cane 30, the visually impaired person is, for example, a crosswalk 920 and a building. Not only can the passage of the corridor (not shown) of the (not shown) or the sidewalk 910 of the road 930 more securely and freely, but also the loop coil 140 of the guide information transmitter 10 is a crosswalk ( Since it is embedded in the lengthwise direction of the bottom of the 920, the guide information transmitter 10 corresponding to the conventional road guide marker block can be easily and conveniently installed on the crosswalk 920, and expensive RFID can be used. Since there is no need, the installation cost of the guide information transmitter 10 can be greatly reduced.

1 is a block diagram schematically showing a visually impaired guide apparatus according to an embodiment of the present invention;

2 is a plan view schematically showing a state where the guide information transmitter is installed in a crosswalk,

3 is a longitudinal cross-sectional view taken along line AA of FIG. 2,

4 is a block diagram schematically illustrating a state in which a signal input unit and a control unit are included in a guide information transmitter installed in a crosswalk;

FIG. 5 is a plan view schematically illustrating a state where the guide information transmitter is installed on a floor of a hallway of a building or a sidewalk of a road,

6 is a cross-sectional view schematically showing a state in which the loop coil of the guide information transmitting unit is spirally installed on the floor of a corridor of a building or a sidewalk of a road,

FIG. 7 is a block diagram schematically illustrating a state in which a control unit is included in a guide information transmitter installed on a floor of a hallway of a building or a road;

8 is a perspective view schematically showing a cane according to the present invention;

FIG. 9 is a block diagram schematically illustrating a cane including a receiver, an amplifier, a speaker, and a power supply unit.

10 is a flowchart schematically illustrating a control state of a control unit controlling a power supply unit according to a signal output from a detection sensor;

11 is a cross-sectional view schematically showing a cane holder according to the present invention,

12 is a block diagram schematically illustrating a process of charging a rechargeable battery.

*** Explanation of symbols for main parts of drawing ***

10; Guide information transmitter 110; Memory,

112; Traffic light conversion guidance voice information, 114; Remaining time announcement voice information,

116; Guide voice information, 120; Modulator,

130; Transmitter 140; Roof Coil,

150, 350; Controller, 160; Signal input unit,

30; Cane, 309; Body Part,

310; Receiver 320; Amplifier,

330; Speaker 340; Power Supply,

342; Induction electromotive force receiver 344; Rechargeable Battery,

360; Sensor 50; Cane holder,

510; Induction electromotive force conversion unit, 520; Induction electromotive force transmission unit,

910; India, 912; Braille Block,

915; Traffic light, 920; crosswalk,

930; Road, 950; Wall-Building Feature,

TA; Low frequency signal.

Claims (6)

A memory unit 110 for storing guide information including voice information for guiding the visually impaired, a modulator 120 for modulating guide information stored in the memory unit 110 into an analog signal, and the modulator 120 Loop coil 140 for transmitting the analog signal modulated by the; and a low-frequency signal to the analog signal output by the transmitter 130 is buried in a guide for informing the guide information to the blind; And guide information transmitting unit 10 comprising a; A receiving unit 310 and a receiving unit 310 mounted at a lower end of the body 309 to receive a low frequency signal output from the loop coil 140 of the guide information transmitting unit 10 and the receiving unit 310. Including an amplifier 320 for amplifying the low frequency signal, a speaker 330 for outputting the amplified signal to the amplifier 320, and a power supply unit 340 for supplying power to the receiver 310 Consisting of a cane 30; The wand 30 has a sensing sensor 360 for detecting the movement of the wand 30 and the receiving unit 310 for a preset time when the sensing sensor 360 detects the movement of the wand 30. The visually impaired guide apparatus, characterized in that the control unit 350 for controlling the power supply unit 340 to be supplied with power. The loop coil 140 of the guide information transmitter 10 extends in the longitudinal direction at the bottom of the crosswalk 920, and the guide information of the memory unit 110 includes the signal light conversion guide voice. Information 112, remaining time announcement voice information 114, The guide information transmitting unit 10 is based on the signal input unit 160 for receiving the conversion signal of the traffic light 915 installed on the crosswalk 920, and the conversion signal of the traffic light 915 input to the signal input unit 160. After calculating the traffic light conversion time information and the remaining time information is characterized in that the control unit 150 for extracting the corresponding information from the guide information stored in the memory unit 110 and outputs to the modulation unit 120 Visually impaired guidance device. The inner space of the loop coil 140 of the guide information transmitter 10 extending in the longitudinal direction at the bottom center of the crosswalk 920 and embedded in the shape of "II" is 50 cm or more. Blind Guidance Device. The roof coil 140 of the guide information transmitter 10 is buried in a corridor of a building or a floor of a sidewalk 910 of a road 930, and the guide information of the memory unit 110 includes a building. Or guide voice information 116 of the location of the road 930, The guide information transmitting unit (10) comprises a control unit 150 for outputting the guide information stored in the memory unit 110 to the modulator 120 at regular intervals. The power supply unit 340 of the cane 30 includes a charging battery 344 and an induction electromotive force receiving unit 342 for receiving the induction electromotive force to charge the charging battery 344. , Cane holder equipped with an induction electromotive force converting unit 510 for converting an external power source into an induction electromotive force, and an induction electromotive force transmitting unit 520 for transmitting the induction electromotive force converted by the induction electromotive force converting unit 510 to the outside (50) Visually impaired guide device characterized in that it is further provided. delete

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