KR200364127Y1 - Acoustic Signal System in Crosswalk for Blind People - Google Patents

Abstract

The present invention relates to an acoustic signal device for the visually impaired, and stores a sound code for identifying a desired direction among all possible direction codes and corresponding acoustic data for each direction, when a wireless signal including the sound code is received. A sound signal having a function of radiating a designated directional sound by reading a sound code, communicating with a wireless signal to confirm the sound for each of the direction codes and the direction codes, and having a power saving function for power saving; A wireless controller which reads the direction requested from the key input unit and outputs a sound code corresponding thereto as a wireless signal and simultaneously outputs a confirmation sound; In order to check the position and direction of the sound signal is a sound signal device for the visually impaired, characterized in that it comprises a braille block that is displayed on the land and braille map installed with the sound signal.

Description

Acoustic Signal System in Crosswalk for Blind People}

The present invention relates to a pedestrian crossing sound signal device for the visually impaired, and in particular, to visually enable a visually impaired person to cross a pedestrian crossing safely in a desired direction by using a sound designated for each cross direction according to the direction of the pedestrian crossing on which the acoustic signal is installed. A member of the acoustic signaling device for the disabled.

As a device to facilitate the use of crosswalks for the visually impaired, there are a system that periodically emits a simple sound signal, and a system having a method of reaching a destination based on a unique code assigned to each sound signal.

However, in the method of periodically radiating only a simple sound signal, although it is crossing from the perspective of the visually impaired, it is impossible to know exactly which direction it crosses from 'East, West, South, North', causing confusion about the direction. There was a possibility to let.

In addition, the sound generation system for the visually impaired, which is given a unique code for each acoustic signal, has a large number of corresponding codes required to reach a destination, and is highly prone to errors. Frequent key operation causes inconvenience and inconvenience. do.

In addition, it is not a guide and guide to traverse by cognizing the direction as described above. Instead, it is used to designate the final unique code at a specific location. Therefore, it can only be used in a limited area. It becomes.

In addition, as a sound coder assigned a unique code is added, data to be managed increases and becomes more complicated, and accordingly, there is a problem of increased cost for maintenance and repair.

The present invention is to solve the above-mentioned problems, by providing four different code and sound for each cross direction according to the installation position of the sound signal device and simply operate by selecting the desired cross direction and precise movement by the visually impaired The purpose of the present invention is to provide an audio signal system for the visually impaired.

Another object of the present invention is to solve the limitation of the active area in navigating a specific location by using a complicated unique code and a direction detection crosstalk due to simple acoustic radiation.

Still another object of the present invention is to provide a simple and clear transverse direction detection to the visually impaired by appropriately matching the conventional simple or complicated acoustic signal system for the visually impaired.

1 is a block diagram of an acoustic signal device defined for each crossing direction.

2 is a functional block diagram according to an embodiment of the acoustic signal.

3 is a perspective view showing a simplified appearance of the radio controller.

4 is a functional block diagram according to an embodiment of a wireless controller.

FIG. 5 is a bird's eye view showing a range to illustrate the operation of an acoustic signal device for the visually impaired.

<Explanation of symbols for the main parts of the drawings>

10: acoustic signal device. 11: transverse direction of the acoustic signal 1.

12: transverse direction of acoustic signal 2.13: transverse direction of acoustic signal 3.

14: Cross direction of acoustic signal 4. 15: Crosswalk.

16: Driveway. 20: acoustic signal.

21: control unit. 22: Radio signal transmission and reception unit.

23: Music code storage section. 24: sound data storage unit.

25: sound output unit. 26: time detection unit.

27: speaker. 28: power supply unit.

29 antenna. 30: radio controller.

31: Body portion of the radio controller. 32a: Operation Button 1.

32b: Operation Button 2.32c: Operation Button 3.

32d: Operation Button 4. 33: Power Supply.

34: Power on indicator. 35 antenna.

36: speaker. 41: control unit.

42: key input unit. 43: wireless signal transmission and reception unit.

44: Note code storage unit. 45: operation sound generator.

46: Power on indicator. 47: power supply.

48: independent power supply. 51: blind people.

52: traffic lights and props. 53a: sound signal 1.

53b: sound signal 2. 54: braille block.

The acoustic signal device for the visually impaired according to the present invention for achieving the above object stores a sound code for identifying a desired direction among all possible direction codes and a sound signal for each direction corresponding to the sound code. An audio signal having a function of reading a sound code to radiate a designated directional sound when received, communicating with a wireless signal to confirm the direction code and the sound for each direction code, and having a power saving function for power saving; A wireless controller which reads the direction requested from the key input unit and outputs a sound code corresponding thereto as a wireless signal and simultaneously outputs a confirmation sound; A sound signal device for the visually impaired, comprising a braille block for displaying on the land and braille map with the sound signal installed to check the position and direction of the sound signal.

Hereinafter, a description will be given of the sound signal device for the blind according to the detailed description and the preferred embodiment of the present invention.

1 is a block diagram showing the position configuration of the acoustic signal device 10 defined for each cross direction.

According to Fig. 1, the direction number is assigned to each direction, and the east direction (11), the west direction (12), the south direction (13), and the north direction (14), respectively. Outputs different distinct sounds.

For example, when a visually impaired person wants to move from southwest to southeast, the “operation” represented by a number (braille '1') representing a 'east direction' to be moved using the 'wireless controller 30' possessed. Button 1.32a 'sends a code number designated by the wireless controller 30 to the sound signal 20.

The 'sound signal device 20' receiving the code number checks this to see if it has a code number, and if there is no corresponding code number, it does not respond.

In addition, the 'sound signal device 20' having the corresponding code number emits a 'directional sound' in accordance with the next signal cycle of the traffic light after transmitting the confirmation signal.

The wireless controller 30 that receives the confirmation signal from the sound signal device 20 radiates through the speaker 36 with a built-in sound for informing the operation of the sound signal device 20 to the visually impaired device. It emits sound to indicate whether it is operating normally.

2 is a functional block diagram according to an embodiment of the 'sound signal device 20' installed in a traffic light of a crosswalk.

As shown in FIG. 2, a 'wireless signal transmission and reception unit 22' for transmitting and receiving signals from a 'power supply unit 28' and a 'wireless controller 30' which is supplied with power for the operation of the device; The 'sound type code storage unit 23' stores the sound type code information for each crossing direction, the 'sound data storage unit 24' stores the respective sounds, and the visually impaired person by outputting each sound. It includes a 'speaker 27' to determine the direction, 'time detector 26' to monitor the elapsed time to perform the minimum power management, 'control unit 21' to control the overall operation.

In the above configuration, the 'sound signal 20' transmits a signal received through the 'wireless signal transmission and reception unit 22' from the 'wireless controller 30' possessed by the visually impaired to the 'control unit 21'. .

The received 'control unit 21' instructs to transmit a response signal to the 'wireless signal transmission and reception unit 22' if the same signal exists through the 'tone code storage unit 44' and the 'sound data storage unit 24' ') Outputs the sound data stored in the' speaker 27 'through the' sound output unit 25 'and does not transmit a response signal if the same signal does not exist.

In addition, power saving is performed after the appropriately designated waiting time through the 'time detector 26'.

3 is a perspective view showing a simplified outline of a wireless controller according to the present invention.

As shown in FIG. 3, the 'wireless controller 30' according to the exemplary embodiment of the present invention includes the 'operation buttons 32a, 32b, 32c, and 32d', in which the braille is displayed for each direction, and the 'wireless controller 30'. 'Power on indicator (34)' that can be checked whether the power is supplied to the 'normal', the antenna (35), the wireless controller (30) necessary to send and receive signals, whether the power is normally applied and the operation button When used, it consists of a 'speaker 36' that provides sound to the visually impaired to ensure correct operation.

In the above configuration, when the 'operation buttons 32a, 32b, 32c, and 32d' corresponding to the direction for the visually impaired are to be used, the 'wireless controller 30' receives the corresponding signal through the 'antenna 35'. The sound signal 20 is transmitted to the visually impaired person through the 'speaker 36' to transmit a sound signal indicating that the response signal and the operation is normally performed.

In addition, when the power is applied or cut off, the speaker emits sound to reduce the interference of the operation to the visually impaired.

4 is a block diagram illustrating functionality according to an embodiment of a wireless controller.

In FIG. 4, an internal configuration and operation principle of the 'wireless controller 30' described with reference to FIG. 3 will be described.

'Wireless signal transmission and reception unit 43' for communication between 'power source 47' and 'sound signal unit 20' consisting of 'independent power source 48' such as a battery, and 'receiving a direction desired by the visually impaired' Key input unit 42 ', there is a' power-up indicator 46 'to enable the normal person to check whether the naked eye,

'Operation sound generator 45' sends out whether the key operation is normal and power is supplied, whether or not a response signal from the 'sound signal device 20' is received, and 'speaker 36' emits sound from the operation sound generator. ',' Control unit 41 for controlling the overall operation.

In the above-described configuration, the 'wireless controller 30' receives the required direction through the 'key input unit 42' and then transmits a key value to the 'control unit 41', and the 'control unit 41' inputs normally. The confirmation that the operation is made is output to the 'speaker 36' through the 'operation sound generator 45' to prevent an error of repetitive execution caused by the visually impaired person not recognizing normal operation.

In addition, when the code signal is transmitted to the 'sound signal unit 20' through the 'wireless signal transmission and reception unit 43' and a response signal is received, the signal is transmitted to the 'speaker 36' through the 'operation sound generator 45'. Ali emits sound and delivers it to the visually impaired.

Figure 5 is a bird's eye view shown by way of example to explain the operation of the audio signal device for the visually impaired.

As shown in FIG. 5, 'traffic light and strut 52' provided with 'sound signal 20', 'sound signal 52a and 52b' installed in each direction at each traffic light and strut, and 'sound signal 52a, 52b), 'wireless controller 30' that communicates with, 'visually impaired 51' to manipulate it, 'braille block 54' for checking the position of the sound signal (52a, 52b) .

In the above-described configuration, the acoustic signal designated by the reference number '52a' contains sound codes and sound data for 'east' and 'west', and the acoustic signal designated by the reference number '53b' indicates 'South' and Contains note codes and sound data for 'North'.

In addition, the braille blocks designated by the reference number '54' are displayed in the same Braille as the numbers displayed on the 'operation buttons 32a, 32b, 32c, and 32d' of the 'wireless controller 30' in the direction of viewing the crosswalk. have.

In the above description, for example, pressing 'operation button 1. (32a)' of the wireless controller 30 to move east from the place where the visually impaired 51 is currently located, the wireless controller ' The code signal is transmitted to the respective 'sound signals 32a and 32b' located at a short distance through the antenna 35 '.

Each of the 'sound signals 32a and 32b' examines the received code signal, and the 'sound signal 32a' having the same code transmits a confirmation signal to the 'wireless controller 30' and the next signal of the traffic light. And emits the sound assigned to that code.

'Visually impaired 51' completes the crossing by listening to the sound emitted. In addition, through the 'braille block 54' installed in close proximity to the 'sound signal (32a, 32b)' it is possible to easily recognize the cross direction that the 'visually impaired (51)' is present.

According to the `` crosswalk acoustic signal device for the visually impaired '' according to the present invention as described above, the cross direction is defined as four, and the effect of reducing the crosstalk of the direction detection generated by listening to only the consistent sound by radiating the distinct sound is effective. have.

In addition, there is an effect of eliminating the difficulty of managing the unique code generated by adding an inconvenient key operation and an acoustic signal that is frequently generated to find the unique code and reducing the cost.

In addition, by installing a braille block marked for each cross direction at a short distance of the acoustic signal, it is easy for the visually impaired to determine the location, and the power saving can be expected by detecting the waiting time and saving power after a designated time.

Claims (7)

As an audio signal device for the visually impaired, Of all possible direction codes, it stores a sound code for identifying a desired direction and corresponding acoustic data for each direction, and emits a directional sound by reading the sound code when a wireless signal including the sound code is received. A sound signal having a power saving function to communicate with a wireless signal to confirm the sound for each direction code and the direction code, and to reduce power; A wireless controller which reads the direction requested from the key input unit and outputs a sound code corresponding thereto as a wireless signal and simultaneously outputs a confirmation sound; Sound signal device for the visually impaired, characterized in that it comprises a braille block for displaying on the braille map and struts installed with the sound signal to determine the position and direction of the sound signal. The method of claim 1, A sound signal device for the visually impaired, which includes sound codes and sound data for each cross direction and a power saving function, which can be generated by the sound signal. The method of claim 1, And a control button for selecting a sound code for each direction that can be generated by the wireless controller, and a corresponding signal to inform the visually impaired whether or not it is operated. The method of claim 1, Installing a braille block at a close distance to determine the direction and location of the sound signal, and displays the same as the content indicated on the braille block on the braille map. The method of claim 2, The acoustic signal device includes: a sound code storage unit for designating all possible direction codes; Sound data storage corresponding to all possible direction codes; A radio signal transmitter and receiver for receiving all possible direction codes from the radio controller and transmitting a signal informing of operation; An audio output unit configured to provide sound to the visually impaired by outputting sound data corresponding to all possible direction codes to a speaker; A time detector for checking a specified waiting time and switching to a power saving state; It comprises a control unit for controlling the operation of each unit collectively, and receives the sound code for requesting the direction-specific sound from the wireless controller through the wireless signal transmission and reception unit, and outputs the corresponding sound data at the same time whether the operation Transmitting a signal informing the sound signal device for the blind, characterized in that it comprises a power saving function. The method of claim 3, wherein The wireless controller includes an operation button for receiving all possible directions; A note code storage unit for finding a note code corresponding to all possible input key values; A wireless signal transmitter and receiver for transmitting all possible direction codes to an acoustic signal and receiving a confirmation signal; An independent power supply and a power supply unit for receiving power for the operation of the device; A power-on indicator for expressing operation of the apparatus so that the third party can be visually identified; An operation sound generating unit for sounding whether or not normal for all the series of the above described works; A speaker that receives the sound output from the operation sound generator described above and radiates it; It includes a control unit for controlling the operation of each unit collectively, and transmits a sound code corresponding to the requested direction through the wireless signal transmission and reception unit to the sound signal, and receives the operation status signal to inform the normal operation by sound A sound signal device for the visually impaired, characterized in that to perform an operation. The method of claim 3, wherein The audio signal device for the visually impaired, characterized in that the embossed or intaglio markers are formed on the surface of the operation button and the power button of the radio controller.