KR20160066354A - Wearabl teminal for visually handicapped person - Google Patents

Abstract

The present invention relates to a wearable terminal for visually-handicapped users, comprising a rim, a bridge, an end piece, and legs. Provided is the wearable terminal for visually-handicapped users, comprising: a memory storing destination information and a navigation program; a vibration module installed in one of the two legs; a location information module generating current location information; and a control unit driving a navigation system, obtaining route information in accordance with the destination information, and controlling the vibration module to allow the same to offer guiding vibration to a user based on the route information and the location information. The present invention provides the wearable terminal for visually-handicapped users with a navigation feature required for visually-handicapped people who cannot read a map or see a displaying device.

Description

 [0001] WEARABLE TEMPERATURE FOR VISUALLY HANDICAPPED PERSON [0002]

The present invention relates to a wearable terminal for a visually impaired person.

The pedestrian navigation system is a system that provides precise location information of a wearer on a digital map by using various position measurement techniques to provide a pedestrian with various location based services (LBS) System.

It is impossible for the visually impaired or the elderly to visualize the map or navigation. There are many people who can not view the map or use the navigation system. However, the conventional navigation system is a vehicle-oriented product, and it is inconvenient to use when moving on foot. The method of receiving a voice instruction while viewing the navigation screen is a method It is not easy to apply to.

If there is a way to get directions without seeing the screen, it will be very useful for wearers of the vulnerable such as the visually impaired.

The present invention is intended to provide a wearable terminal for a visually impaired person having a navigation function necessary for visually impaired persons who can not see a map or a display unit.

A wearable terminal for a visually impaired person including a rim, a bridge, an endpiece, and a leg, which is one embodiment of the present invention having the above-described configuration, includes a memory for storing destination information and a navigation program; A vibration module installed on both legs; A location information module for generating current location information; And a control unit for controlling the vibration module to acquire route information according to the destination information after driving the navigation program, and to provide guide vibration based on the route information and the location information.

The wearable terminal for a visually impaired person may further include an audio output module provided in a rim portion of the leg, and the control unit generates guide voice information based on the route information and the position information, As shown in FIG.

Here, the blind handset terminal may further include an audio output module, and the control unit may generate the public transportation usage guide information using the traffic information received through the communication unit and the current location information, And output it through the module.

Here, the public transportation usage guide information may include at least one of waiting time information, riding guidance information, getting off guidance information, and transfer guide information.

Here, the control unit continuously compares the public transportation route information included in the traffic information with the current location information, and if the public transportation route information does not match the current location, the controller outputs alarm information through the voice output module Can be output.

The wearable terminal for a visually impaired person may further include an object detection sensor installed on both ends of the wearable terminal, and the control unit may detect a distance between the object and the wearer based on the object detection signal obtained through the object detection sensor And direction information, and to output the object movement signal through the vibration module based on the object movement signal.

Here, the object moving signal may include object moving speed information.

Here, the control unit may control to output warning information through the sound output module based on the object speed information.

Here, the wearable terminal for the visually impaired may further include a microphone for inputting the destination information, and the controller may generate the destination information by analyzing a voice signal inputted through the microphone.

Here, the vibration module includes first to third sub-vibration modules, and the first to third sub-vibration modules are spaced apart from each other by an interval of 90 degrees to guide the movement direction of the wearer can do.

According to one embodiment of the present invention having the above-described configuration, when a visually impaired person moves on foot to a desired location, the user can safely guide them.

Further, according to the embodiment of the present invention, the visually impaired person can conveniently use the public transportation means.

1 is a perspective view of a wearable terminal for a visually impaired person, which is an embodiment of the present invention.
2 is a block diagram of a wearable terminal for a visually impaired person of a wearable terminal for the visually impaired, which is an embodiment of the present invention.
3 is a view for explaining a vibration module of a wearable terminal for the visually impaired, which is an embodiment of the present invention;
FIG. 4 is a flowchart illustrating an operation of a wearable terminal for the visually impaired, which is an embodiment of the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described below. The embodiments are provided to explain the present invention to a person having ordinary skill in the art to which the present invention belongs.

1 is a perspective view of a wearable terminal for the visually impaired, which is an embodiment of the present invention. 1, the wearable terminal 100 for a visually impaired person has an eyeglass shape and includes a rim 10, a bridge 20, a leg 30, an end piece 40, A necklace 50, and a casing 60, as shown in Fig.

The rim 10 has a circular, elliptical, or polygonal shape as a whole, and is a portion to which a lens is attached by glasses. In the present invention, a sunning glass can be installed on the rim 10 in consideration of being for the visually impaired.

The bridge 20 connects the rim 10 and the rim 10 and has a structure that is supported by the wearer's nose when the wearer wears the wearable terminal 100 for the visually impaired. In the present invention, the object sensing sensor 160 may be attached to the bridge 20.

The leg 30 may include an ear piece 31 connected to one end of the rim 10 through the end piece 40 and hung on the ear of the wearer. The object detection sensor 160 can be attached to the end piece 40 and information about the moving speed as well as the position and direction of the external object can be obtained through the two object detection sensors 160 on both sides.

In addition, a plurality of vibration modules 120 are spaced apart from each other in the earring portion 31. Accordingly, it is possible to guide the direction in which the wearer must move through the operation of the vibration module 120.

The necklace 50 may be connected to the legs 30 so as to be hooked on the wearer's neck. The wearable terminal 100 for a visually impaired person can be prevented from falling through the necklace 50 and the wearable terminal 100 for the visually impaired can be conveniently walked on when the wearable terminal 100 is not worn.

The casing 60 in which the necklace 50 is caught includes a battery and a board. The position information module 130, the communication unit 150, and the control unit 180 according to the present invention are mounted on the substrate. These functions and operations will be described in more detail in Fig.

FIG. 2 is a block diagram of a wearable terminal 100 for a visually impaired person in a wearable terminal 100 for the visually impaired, which is an embodiment of the present invention. The wearable terminal 100 for a visually impaired person according to an embodiment of the present invention includes a memory 110, a vibration module 120, a position information module 130, a voice output module 140, a communication unit 150, An object detection sensor 160, a microphone 170, and a control unit 180. [0035]

The memory 110 is a component for storing a navigation program. The memory not only stores the program for executing the operation in the controller 180 but also stores the navigation program and also stores the destination information inputted through the microphone 170 in the present invention. The memory 110 may be a flash memory type, a hard disk type, a multimedia card micro type 170, a card type memory (for example, SD or XD memory, etc.), a random access memory (RAM), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read- ) May be used.

The vibration module 120 is installed on the earring portion 31 and functions to transmit the movement direction to the wearer as a tactile sense. Here, the vibration module 120 generates various tactile effects that can be sensed by the user, and transmits a tactile sensation different from the general movement instruction to the warning information described later. In place of the vibration module 120, a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or suction force of the air through the injection port or the suction port, a touch on the skin surface, contact of an electrode, And various tactile effects such as an effect of reproducing a cold sensation using a heat absorbing or heatable element can be given. The arrangement and operation of the vibration module 120 will be described in more detail with reference to FIGS. 3 and 4. FIG.

The position information module 130 is a component attached to the substrate in the casing 60 to generate current position information. As the location information module 130, a GPS module may be used.

The voice output module 140 is a component for outputting instruction information for the direction of movement to the wearer by auditory sense. When the information on the moving direction is output through the audio output module 140, the user can receive the guide on the moving direction accordingly. The voice output module may be installed on one side of the legs 30, near the wearer's ear, or may be implemented as an earphone connected from the casing 60.

The communication unit 150 is a component that enables wireless communication with a server via a network. The communication unit 150 includes a mobile communication module, an Internet module, and a short-range communication module. The communication unit 150 in the present invention functions to receive the traffic information from the external traffic server. Here, the traffic information is public transportation information in the public transportation information system, for example, bus information, subway information, and the like.

The object detecting sensor 160 is a component for detecting an external object, and may be installed in the end piece 40 or the bridge 20 on both sides in FIG. In the present invention, the object detection sensor 160 detects an object moving on the front or side of the wearer and generates an object detection signal. The controller 180 controls the object detection sensor 160 to detect an object And generates an object moving signal including distance information and direction information between the object and the wearer based on the signal. At this time, the object moving signal includes the moving speed information, and the controller 180 outputs the warning information through the sound output module 140 and the vibration module 120 based on the object moving signal.

As such an object detection sensor 160, an ultrasonic sensor, an infrared sensor, a laser sensor, or the like can be used.

That is, when a large object (for example, a motorcycle, a bicycle, a vehicle, or the like) moving fast in the vicinity of the wearer is sensed, the control unit 180 notifies the wearer thereof through the vibration module 120 and the sound output module 140, Prevent in advance, or prepare for an accident in advance.

The microphone 170 functions to receive the voice of the wearer. In the present invention, a destination input function for performing a navigation function is provided. That is, the control unit 180 generates the destination information by analyzing the voice signal input through the microphone 170, and the destination information is stored in the memory 110.

The control unit 180 drives the navigation program stored in the memory 110 and then acquires the route information according to the destination information generated through the microphone 170. Then, based on the route information and the position information, And the vibration module 120 is controlled so as to give a vibration signal. Also, it generates guide voice information based on the route information and the location information, and outputs the guide voice information through the voice output module 140. Further, in order to improve the convenience of transportation of the wearer, public transportation use guide information is generated using the traffic information received through the communication unit 150 and the current position information, and outputted through the voice output module 140 Here, the public transportation use guide information may include at least one of waiting time information, boarding guide information, getting off guide information, and transfer guide information.

The control unit 180 continuously compares the public transportation route information included in the traffic information with the current location information and if the public transportation route information does not match the current location, It is possible to output the alarm information via the alarm signal.

Hereinafter, the operation of the control unit 180 will be described in detail with reference to FIG.

FIG. 3 is a view for explaining a vibration module of a wearable terminal for the visually impaired, which is an embodiment of the present invention. 3, the vibration module 120 of the wearable terminal 100 for the visually impaired may include four sub-vibration modules 120-1 to 120-4, It is arranged at a position corresponding to the moving direction or the direction of the external object. That is, the first sub-oscillation module 120-1 means forward, the second sub-oscillation module 120-2 is above, the third sub-oscillation module 120-3 is behind, and the fourth sub- 120-4 are configured to correspond to the downward direction.

In addition, since the vibration module 120 is installed on both legs 30, it is possible to separate left and right vibrations.

When the position of the object is on the basis of the object detection signal obtained from the object detection sensor 160, the first sub-vibration module 120-1, when the position of the object is upward, In the case where the vibration module 120-2 is positioned rearward, the third sub-vibration module 120-3 operates when the object position is downward, and the fourth sub-vibration module 120-4 operates so that the wearer Where it knows if there is an external object.

In addition, when the navigation function is operated, it is possible to notify the wearer of the change in the lateral direction through the operation of the vibration module 120, and when it is necessary to return, the rear vibration modules, i.e., the third sub- To make a U-turn.

Hereinafter, the operation of the wearable terminal 100 for a visually impaired person having the above-described configuration will be described in detail with reference to the flowchart of FIG.

4 is a flowchart illustrating an operation of a wearable terminal for the visually impaired, which is an embodiment of the present invention.

As shown in the figure, the wearer first inputs a destination via the microphone 170 (S11). At the same time, the navigation program stored in the memory 110 operates to acquire current location information from the location information module (S13). Then, it is checked whether direction switching is necessary based on the route information according to the destination information (S15). 3, the vibration module 120 is operated to guide the wearer of the change of direction through the voice output module 140 in addition to the notification of the change of direction (10) (S17 , S23). If the direction switching is not necessary, the control unit 180 determines whether there is an external object which is a dangerous element from the object detection sensor 160 (S19). When the external object is sensed and it is determined that the external object is dangerous based on the object movement signal including the distance information and the direction information of the external object, the vibration module 120 and the voice output module 140 are operated again, (S17, S19). At this time, the operation of the vibration module 120 may be operated differently from the operation of the vibration module 120 for the direction change. Next, it is confirmed whether traffic information is received from the communication unit 150 (S21). The navigation program can not only inform the moving direction but also give information such as where and how many times the bus should be taken. At this time, the wearer receives information on the bus to be loaded, information on the position of the bus, and the like through the communication unit 150. Accordingly, the voice output module 140 reads, "Take bus 101, arrive 10 minutes later." "Arrive at bus 101, please board." "Get off at Gangnam Station", "Get off at the next stop." Quot; turn on the subway "is output (S23).

It is to be understood that although the description has been made in the order of S15, S19 and S21 for the sake of convenience of explanation, it is to be understood that the order may be carried out in three steps, regardless of the order.

According to one embodiment of the present invention having the above-described configuration, when a visually impaired person moves on foot to a desired location, the user can safely guide them.

Further, according to the embodiment of the present invention, the visually impaired person can conveniently use the public transportation means.

The above-described wearable terminal for a visually impaired person can not be limitedly applied to the configuration and method of the above-described embodiments, but the embodiments can be modified so that all or some of the embodiments are selectively combined .

10: rim
20: Bridge
30: Bridge
31: Earring section
40: And Peace
50: Necklace
60: casing
110: Memory
120: Vibration module
130: Location information module
140: Audio output module
150:
160: Object detection sensor
170: microphone
180:

Claims (10)

A wearable terminal for a visually impaired person including a rim, a bridge, an end piece and a leg,
A memory for storing destination information and a navigation program;
A vibration module installed on each of the legs;
A location information module for generating current location information; And
And a controller for controlling the vibration module to acquire route information in accordance with the destination information after driving the navigation program and then to apply a guide vibration based on the route information and the position information, terminal.
The method according to claim 1,
Further comprising: an audio output module provided on a rim portion of the leg,
The control unit
And generates guide voice information based on the route information and the position information, and outputs the guide voice information through the voice output module.
3. The method of claim 2,
Further comprising a communication unit,
Wherein,
Wherein the public access guide information is generated using the traffic information received through the communication unit and the current location information, and is output through the voice output module.
The method of claim 3,
The public transportation usage guide information may include,
Waiting time information, riding guidance information, getting off guidance information, and transfer guidance information.
The method of claim 3,
Wherein,
And outputting alarm information through the voice output module if the public transportation route information and the current location do not match by continuously comparing the public transportation route information included in the traffic information and the current location information, Wearable terminal.
The method according to claim 1,
Further comprising an object detection sensor installed on both sides of the wearable terminal,
Wherein,
And an object movement signal generating unit that generates an object movement signal including distance information and direction information between the object and the wearer based on the object detection signal obtained through the object detection sensor and outputs the object movement signal through the vibration module based on the object movement signal, Wearable terminal for the visually impaired.
The method according to claim 6,
Wherein the object movement signal includes object movement speed information.
The method according to claim 6,
Further comprising a voice output module,
Wherein,
And outputs warning information based on the object detection signal through the audio output module.
The method according to claim 1,
Further comprising a microphone for inputting the destination information,
Wherein,
And the destination information is generated by analyzing a voice signal input through the microphone.
The method according to claim 1,
Wherein the vibration module includes first to fourth sub-vibration modules,
Wherein the first to fourth sub-vibration modules are spaced apart from each other at a predetermined interval in a rim portion of the leg so as to guide the wearer in a moving direction.

Images