JP2006318041A - Service system for visually-impaired person or the like, radio transmitting device, and portable terminal device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a service system for visually-impaired person or the like, a radio transmitting device and a portable terminal device, in which a visually-impaired person or the like can safely walk by knowing in advance information for an obstacle and easily catch a voice guidance even in a noisy environment, the kinds of information to be transmitted can be increased, and the system can be easily established. <P>SOLUTION: The system comprises at least one radio wave-emitting device 1 such as an RFIC tag installed to an obstacle in walking, and a portable terminal 2 receiving the radio wave transmitted from the RFIC tag. The radio wave-receiving portable terminal 2 carried by the visually-impaired person 3 receives information for obstacle transmitted from the radio wave-transmitting device 1 such as the RFIC tag, and transmits the information for obstacle to the visually-impaired person 3 by voice. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a service system for a visually impaired person, a radio wave transmission device, and a mobile terminal device, and more particularly, to a service using a mobile terminal device for a visually impaired person.

  Conventionally, guidance guidance for visually impaired persons has been mainly performed by laying Braille tiles. For example, a walking guidance system is known that guides and guides by voice by combining a tile embedded with an RFIC (Radio Frequency Integrated Circuit) and a cane-like information search bar equipped with an electronic circuit for reading information stored in the RFIC. (For example, refer to Patent Document 1).

Further, there is known a technique in which a situation facing a visually handicapped person is grasped through an image from a camera and necessary information is sent to a visually handicapped person from a remote place (see, for example, Patent Document 2).
JP 2003-109176 A JP 2001-344355 A

  However, in the above-described conventional walking guidance system for visually handicapped persons, it is not possible to sufficiently convey what kind of obstacle is at the destination of the visually handicapped person only by laying Braille tiles.

  In addition, when using a cane-like information search bar equipped with an RFIC-embedded tile and an electronic circuit that reads information stored in the RFIC, voice guidance is difficult to hear due to ambient noise when guiding with voice guidance, The type of information to be transmitted was also limited.

  In addition, when giving instructions remotely using a camera, instructions cannot be given in places where radio waves do not reach. There was a situation where it was difficult to give appropriate guidance instructions.

  The present invention has been made in view of the above-described conventional circumstances, and can know in advance information about what an obstacle is, and visually impaired persons etc. who can walk safely An object of the present invention is to provide a service system, a radio wave transmission device, and a mobile terminal device.

  The present invention also provides a service system, a radio wave transmission device, and a service system for visually handicapped persons who can easily hear voice guidance even in a noisy environment, can increase the types of information to be transmitted, and can easily construct a system. It aims at providing a portable terminal device.

  The service system for visually impaired persons and the like according to the present invention includes at least one radio transmission device that is installed corresponding to an obstacle or dangerous part for a visually impaired person and transmits information about the obstacle or dangerous part, and a visually impaired person. And a portable terminal device that receives a radio wave emitted from the radio wave transmission device and transmits information about the obstacle or the dangerous location to a visually handicapped person.

  According to the service system for visually handicapped persons and the like according to the present invention, the visually handicapped person can know the information of the obstacle sufficiently in advance, so that the preparation for the obstacle can be sufficiently performed and walking safely. It becomes possible to do.

  In the service system for visually impaired persons or the like according to the present invention, the radio wave transmitting device is an RFIC tag that transmits information on the obstacle or a dangerous place in response to a radio wave emitted by the mobile terminal device. To do.

  According to the service system for visually handicapped persons and the like according to the present invention, it is possible to easily construct a system without performing a large laying work or the like because the apparatus is configured using radio waves.

  In the service system for visually handicapped persons and the like according to the present invention, the radio wave transmitting device is attached to an upper part of an obstacle or a dangerous place that obstructs walking of a visually handicapped person or the like.

  According to the service system for visually handicapped persons and the like of the present invention, it is possible to attach a radio wave transmission device to the upper part of an obstacle, so that information on obstacles can be obtained without being interrupted by radio waves even in a crowd. Can be received. In addition, there is a problem that even if the obstacle information is received immediately before the obstacle, it may not be able to cope with the walking speed, or when the obstacle information is received at a distance from the obstacle, It solves the problem of being exposed to anxiety about whether things will appear for a long time.

  In the service system for visually handicapped persons and the like of the present invention, the radio wave transmitting device receives a radio wave emitted by the mobile terminal device and detects a traveling direction of the visually handicapped person or the like.

  According to the service system for visually handicapped persons and the like of the present invention, since the traveling direction of the handicapped person can be grasped, it is possible to grasp the situation of the obstacle from the direction approaching the obstacle. Further, by notifying the visually impaired person of the traveling direction, the visually impaired person can accurately grasp the traveling direction, and the direction can be easily changed even if the direction is wrong.

  In the service system for the visually impaired and the like of the present invention, the portable terminal device includes an audio output changeover switch, vibrates when receiving the radio wave emitted from the radio wave transmission device, and the audio output changeover switch is turned on. In this case, information on the obstacle or the dangerous part is transmitted to a visually handicapped person or the like by voice.

  According to the service system for visually impaired persons and the like of the present invention, it is possible to first know that there is an obstacle with a vibrator, so it is difficult to grasp information due to ambient noise, or trouble without worrying about the surroundings. It becomes possible to obtain information on things. In addition, after knowing that there is an obstacle, it is possible to prevent the voice from flowing when it is not necessary by making it possible to grasp the information of the obstacle with his own judgment. .

  In the service system for visually handicapped persons or the like of the present invention, the mobile terminal device has a function of a mobile phone.

  According to the service system for visually handicapped persons and the like of the present invention, it is not necessary to separately have a mobile terminal device and a mobile phone for this service system. Further, by adding this function to the mobile phone, it can be positioned as a mobile phone for the visually impaired.

  In addition, the radio wave transmission device of the present invention is attached to the upper part of an obstacle or a dangerous place that obstructs walking of visually impaired persons, etc., and receives radio waves emitted from mobile terminal devices held by visually impaired persons. And transmitting information on obstacles or dangerous places.

  According to the radio wave transmission device of the present invention, since it can be attached to the upper part of an obstacle, it is possible to receive information on the obstacle without being interrupted by radio waves even in a crowd. . In addition, there is a problem that even if the obstacle information is received immediately before the obstacle, it may not be able to cope with the walking speed, or when the obstacle information is received at a distance from the obstacle, It solves the problem of being exposed to anxiety about whether things will appear for a long time.

  In addition, the radio wave transmission device of the present invention is characterized by detecting a change in the magnitude of the radio wave emitted by the mobile terminal device and detecting the traveling direction of a visually handicapped person or the like.

  According to the radio wave transmission device of the present invention, it is possible to grasp the direction of the obstacle by detecting the change in the magnitude of the radio wave, so that the situation of the obstacle can be grasped from the direction approaching the obstacle. It becomes possible. Further, by notifying the visually impaired person of the traveling direction, the visually impaired person can accurately grasp the traveling direction, and the direction can be easily changed even if the direction is wrong.

  In addition, the radio wave transmission device of the present invention includes a register that stores information related to an obstacle or a dangerous place.

  According to the radio wave transmission device of the present invention, it is possible to increase the types of information related to obstacles or dangerous places, and to provide detailed information according to the situation of the obstacles or dangerous places.

  In addition, the mobile terminal device of the present invention vibrates when information on an obstacle or a dangerous place is received from a radio wave transmission device attached to an upper part of an obstacle or a dangerous place that is an obstacle to walking such as a visually impaired person. It is provided with a vibrator and a voice output changeover switch capable of selecting whether or not to output information on an obstacle or a dangerous part transmitted from the radio wave transmission device by voice.

  According to the portable terminal device of the present invention, it is possible to first know that there is an obstacle with a vibrator, so it is difficult to grasp information by surrounding noise, or information on an obstacle without being concerned about the surroundings. It becomes possible to obtain. In addition, after knowing that there is an obstacle, it is possible to prevent the voice from flowing when it is not necessary by making it possible to grasp the information of the obstacle with his own judgment. .

  In addition, the mobile terminal device of the present invention has a function of a mobile phone.

  According to the portable terminal device of the present invention, there is no need to separately have a portable terminal device and a mobile phone for this service system. Further, by adding this function to the mobile phone, it can be positioned as a mobile phone for the visually impaired.

  According to the service system for the visually impaired and the like, the radio wave transmitting device, and the mobile terminal device of the present invention, when approaching an obstacle, information on what the obstacle is is transmitted from the device that emits radio waves attached to the obstacle, Is received by the mobile terminal device held by the visually handicapped person, information about what the obstacle is can be known in advance, and the visually handicapped person can walk safely.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
FIG. 1 is a block diagram illustrating a configuration of a service system using a portable terminal for a visually impaired person according to a first embodiment of the present invention. In FIG. 1, a service system using a portable terminal for a visually impaired person includes a device 1 that emits radio waves such as an RFIC tag, and a portable terminal 2 that receives radio waves emitted by the device 1 that emits radio waves. The terminal 2 is held by a visually impaired person 3.

  A receiving range in which a visually handicapped person 3 holding a portable terminal 2 that receives radio waves emitted from a device 1 that emits radio waves such as an RFIC tag can receive radio waves emitted from the device 1 that emits radio waves such as an RFIC tag. When the mobile terminal 2 reaches the inside, the mobile terminal 2 that receives the radio wave vibrates and informs the visually handicapped person 3 holding the mobile terminal 2 that receives the radio wave that an obstacle exists.

  When the visually handicapped person 3 is informed that there is an obstacle from the portable terminal 2 that receives the radio wave, the visually handicapped person 3 obtains information about the obstacle by voice from the portable terminal 2 that receives the radio wave. It becomes possible to increase vigilance against things.

  FIG. 2 is another example of use of a service system using a mobile terminal for the visually impaired. In FIG. 2, a service system using a portable terminal for a visually impaired person is a system configured by attaching a device 1 that emits radio waves such as an RFIC tag to a vehicle body of a train 4.

  By attaching a device 1 that emits radio waves, such as an RFIC tag, on the outside and inside upper part of the door of the train 4, information on opening and closing of the train door can be transmitted to the visually handicapped person 3 who has the portable terminal 2 that receives the radio wave. It becomes possible to communicate.

  Similarly, by attaching a device 1 that emits radio waves, such as an RFIC tag, to the connecting portion of the train 4, information indicating that it is a connecting portion is transmitted to the visually handicapped person 3 who has the portable terminal 2 that receives the radio waves. It becomes possible to do.

  FIG. 3 shows another usage example of the service system using the portable terminal for the visually impaired as in FIG. In FIG. 3, a service system using a portable terminal for a visually impaired person is a system configured by attaching a device 1 that emits radio waves such as an RFIC tag to a traffic light 5 of a pedestrian crossing.

  By attaching a device 1 that emits radio waves, such as an RFIC tag, to a traffic light 5 on a pedestrian crossing, it is possible to transmit the signal status of the pedestrian crossing to a visually handicapped person 3 who has a portable terminal 2 that receives the radio waves. Become.

  As described above, according to the first embodiment, the device 1 that emits a radio wave such as an RFIC tag is attached to an object that is a walking obstacle for the visually handicapped person 3, and information on the obstacle is transmitted. The visually handicapped person 3 can walk safely by carrying the portable terminal 2 that receives the radio wave, receiving the transmitted obstacle information, and recognizing the obstacle information.

(Embodiment 2)
FIG. 4 shows a service system using a portable terminal for the visually impaired according to the second embodiment of the present invention. This system grasps the traveling direction of the visually handicapped person 3 and performs a service for changing the content of the obstacle information issued to the visually handicapped person 3 according to the traveling direction. As in the case of FIG. 1, this service system includes a device 1 that emits radio waves such as an RFIC tag, a mobile terminal 2 that receives radio waves emitted by the device 1 that emits radio waves, and a visual impairment that possesses the mobile terminal 2. It is a system composed of the person 3.

  A receiving range in which a visually handicapped person 3 having a portable terminal 2 that receives radio waves emitted from a device 1 that emits radio waves such as an RFIC tag can receive radio waves emitted from the device 1 that emits radio waves such as an RFIC tag. When it reaches the inside, the device 1 that emits radio waves such as an RFIC tag grasps the traveling direction of the visually handicapped person 3 and transmits information on the failure according to the situation. When the radio wave is received, the mobile terminal 2 vibrates and notifies the visually handicapped person 3 who has the mobile terminal 2 that receives the radio wave that an obstacle exists.

  The visually handicapped person 3 can obtain information on what the obstacle is by voice from the mobile terminal 2 that receives the radio wave when the mobile terminal 2 that receives the radio wave reports that the obstacle exists. Become.

  According to the second embodiment, the visually handicapped person gives information on the obstacle in advance by voice, for example, whether the stairs are up or down stairs, or that the stairs will be finished soon. Since it becomes possible to grasp, it becomes possible to reduce anxiety about an obstacle. In addition, since it is possible to prepare the mind for the obstacle sufficiently in advance, it becomes possible to walk more safely.

(Embodiment 3)
FIG. 5 is a block diagram showing a portable terminal held by a visually handicapped person according to the third embodiment of the present invention. In FIG. 5, the mobile terminal possessed by the visually impaired person includes a mobile terminal device 6 for mobile communication and an audio output switching button 7 attached to the mobile terminal device 6 for mobile communication.

  When the mobile terminal device 6 for mobile communication receives a radio wave that emits information for a visually impaired person, the mobile terminal device 6 can vibrate with a vibrator and transmit the presence of an obstacle to the visually impaired person. When the mobile terminal device 6 for body communication vibrates, information on an obstacle can be obtained by pressing the voice switching button 7 and bringing the mobile terminal device 6 for mobile communication close to the ear.

  FIG. 6 is a block diagram for explaining functions of the mobile terminal device 6 of the present embodiment. The portable terminal device 6 is directed to an oscillation circuit 15 that generates a signal to be transmitted to a device 1 that emits radio waves, such as an RFIC tag, a transmission amplifier 13 that amplifies the signal generated by the oscillation circuit 15, and the device 1 that emits radio waves. A transmission antenna 11 that transmits radio waves, a reception antenna 12 that receives radio waves transmitted from the device 1 that emits radio waves, a reception amplifier 14 that amplifies a signal received by the reception antenna 12, and a signal that is amplified by the reception amplifier 14 , A phase difference detector 17 that detects the phase difference between the transmission signal and the reception signal, and a control unit 18 that acquires obstacle information and the like based on the phase difference detected by the phase difference detector 17. A vibrator 19 that vibrates in response to the obstacle information acquired by the control unit 18, a voice output switching button 7 that can select whether to output the obstacle information or the like by voice, And a speaker 20 for outputting voice harm product information and the like.

  In FIG. 6, the oscillation circuit 15 oscillates a signal having a frequency of 220 kHz, for example, and outputs the output to the transmission amplifier 13. The transmission antenna 11 is a substantially annular or substantially rectangular loop antenna. The receiving antenna 12 is an antenna for receiving a transmission wave having a frequency of 440 kHz, for example, multiplied by 2 by the device 1 that emits radio waves.

  According to the third embodiment, it becomes possible for a visually handicapped person to hear the obstacle information by bringing his ear close to the speaker 20, so that it is possible to obtain information on the obstacle regardless of the surrounding situation. Become. In addition, since the audio output can be selected by the audio output switching button 7, it becomes possible to obtain information in accordance with the action pace of the visually impaired person. It becomes possible to do.

(Embodiment 4)
FIG. 7 is a block diagram showing a data structure of information emitted by the device 1 that emits radio waves such as the RFIC tag according to the fourth embodiment of the present invention. In FIG. 7, the information emitted from the device 1 that emits radio waves, such as an RFIC tag, has a configuration like a register 8 and is information 9 for the visually impaired to distinguish whether it is information for the visually impaired. If there is information for the visually impaired, “1” is transmitted, and if it is not information for the visually impaired, “0” is transmitted. Further, in the obstacle information and the obstacle state information 10, information on what the obstacle is and what kind of situation the obstacle is in is transmitted.

  For example, by transmitting the information “0001001” from the obstacle information and the obstacle state information 10, it is possible to transmit information indicating that an upstairs is about to be reached. Similarly, by transmitting the information “0001010” from the obstacle information and the obstacle state information 10, it is possible to transmit information indicating that the stairs are approaching.

  FIG. 8 is a block diagram for explaining the function of the radio wave transmitting device 1 of the present embodiment. The radio wave transmitting device 1 includes a receiving antenna 21 that receives a radio wave transmitted from the mobile terminal device 6, a frequency multiplying circuit 22 that uses a diode bridge that doubles the radio wave received by the receiving antenna 21, and a phase of a signal that has been multiplied by two. A phase shifter 23 composed of a capacitor and a resistor for changing the signal, a control unit 25 for detecting the magnitude of the signal multiplied by two and detecting the traveling direction of the visually handicapped person from the change in the magnitude, and an obstacle The information 8 is stored, and according to the traveling direction of the visually handicapped person detected by the control unit 25, predetermined information is output to the phase shifter 23, and the register 8 for changing the phase of the signal and the obstacle information are included. And a transmission antenna 24 that transmits radio waves to the mobile terminal device 6.

  According to the fourth embodiment, even if an apparatus that emits radio waves such as an existing RFIC tag is used, it is possible to distinguish whether or not it emits information for the visually impaired. In addition, since a lot of information regarding obstacles can be stored in the register 8, it is possible to provide detailed guidance for visually impaired persons.

(Embodiment 5)
FIG. 9 is a diagram illustrating an operation flow of a service using the mobile terminal device for the visually impaired according to the fifth embodiment of the present invention. When using this service, first enter the radio wave receiving range from the device 1 that emits radio waves, such as RFIC tags, and receive the radio waves (S10). If it contains information for visually handicapped persons, the received obstacle information and information on the obstacles are obtained (S12), and the handheld terminal held by the visually handicapped person The device 6 vibrates (S13) to notify the visually handicapped that the obstacle information has been obtained.

  Here, if the received radio wave does not include information for the visually impaired, the process waits until the radio wave is received (S10). When the information for the visually impaired is received and the mobile terminal device 6 vibrates (S13), it is determined whether the visually impaired person turns on the audio output switching button 7 (S14), and the audio output switching button 7 is turned on. If so, the visually handicapped person is notified of the received obstacle information by voice (S15), and this service is terminated. Here, if the audio output switching button 7 is not turned ON, this service is terminated without notifying the visually handicapped person of the received obstacle information by voice (S16).

  According to the fifth embodiment, a radio wave from a device 1 that emits a radio wave such as an RCIC tag is received, it is determined whether or not it includes information for a visually impaired person, and information for a visually impaired person is obtained. If it is included, the mobile terminal device 6 is vibrated to notify the visually handicapped person that there is an obstacle. If the visually handicapped person chooses to hear the obstacle information by voice, the obstacle information is obtained by voice. It becomes possible to do.

  The service using the portable terminal for visually handicapped persons according to the present invention is useful as a walking guidance service that enables visually handicapped persons to walk safely.

FIG. 1 is a block diagram (in the case of stairs) showing a configuration of a service system using a mobile terminal for a visually impaired person according to Embodiment 1 of the present invention Block diagram showing another configuration of the service system using the portable terminal for the visually impaired according to the first embodiment of the present invention (in the case of a train) Block diagram showing another configuration of the service system using the portable terminal for the visually impaired according to the first embodiment of the present invention (in the case of a pedestrian crossing) A service for grasping a traveling direction of a visually handicapped person in a service using a portable terminal for a visually handicapped person according to a second embodiment of the present invention and changing the content of obstacle information issued to the visually handicapped person according to the traveling direction. Representing block diagram The block diagram showing the portable terminal device which the visually handicapped person concerning Embodiment 3 of this invention holds. The block diagram which shows schematic structure of the portable terminal device which the visually handicapped person concerning Embodiment 3 of this invention possesses. The block diagram showing the data structure of the information which the apparatus 1 which emits an electromagnetic wave like the RFIC tag concerning Embodiment 4 of this invention emits FIG. 5 is a block diagram showing a schematic configuration of a radio wave transmission device 1 such as an RFIC tag according to a fourth embodiment of the present invention. The figure which shows the operation | movement flow of the service using the portable terminal for visually impaired persons concerning Embodiment 5 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Device which emits radio waves, such as RFIC tag 2 Mobile terminal 3 that receives radio waves Visually impaired person 4 Train 5 Traffic light 6 Mobile terminal device 7 for mobile object Audio output switching button 8 Register 9 Information for visually impaired person 10 Obstacle information and Obstacle state information 11, 24 Transmit antenna 12, 21 Receive antenna 13 Transmit amplifier 14 Receive amplifier 15 Oscillator circuit 16 Detector circuit 17 Phase difference detector 18, 25 Control unit 19 Vibrator 20 Speaker 22 Frequency multiplier circuit 23 Phase shifter

Claims (11)

A radio wave transmission device installed at least one corresponding to an obstacle or dangerous place for visually impaired persons, etc., and transmitting information on the obstacle or dangerous place,
A visually handicapped person comprising a portable terminal device that is held by a visually handicapped person, etc., and that receives radio waves emitted from the radio wave transmitting device and transmits information about the obstacle or dangerous place to the visually handicapped person Service system for etc. The service system for visually impaired persons or the like according to claim 1,
The service system for visually impaired persons or the like, wherein the radio wave transmitting device is an RFIC tag that transmits information related to the obstacle or a dangerous place in response to a radio wave emitted from the mobile terminal device. The service system for visually impaired persons or the like according to claim 1,
A service system for visually handicapped persons or the like, characterized in that the radio wave transmitting device is attached to an upper part of an obstacle or a dangerous part that is a hindrance to walking of visually handicapped persons or the like. The service system for visually impaired persons or the like according to claim 1,
The radio wave transmitting device receives a radio wave emitted from the mobile terminal device and detects a traveling direction of a visually impaired person or the like. The service system for visually impaired persons or the like according to claim 1,
The portable terminal device includes an audio output changeover switch,
Visibility that vibrates when receiving a radio wave emitted from the radio wave transmitting device, and transmits information about the obstacle or the dangerous place to a visually handicapped person or the like by voice when the audio output changeover switch is on. Service system for people with disabilities. The service system for visually impaired persons or the like according to claim 1,
The mobile terminal device has a mobile phone function, and is a service system for visually impaired persons and the like.   Attached to the upper part of obstacles or dangerous places that are obstacles for walking such as visually impaired persons, receive radio waves emitted from mobile terminal devices held by visually impaired persons, etc., and receive information on obstacles or dangerous parts A radio wave transmitter characterized by transmitting. The radio wave transmission device according to claim 7,
A radio wave transmission device that detects a change in magnitude of radio waves emitted from the mobile terminal device and detects a traveling direction of a visually impaired person or the like. The radio wave transmission device according to claim 7,
A radio wave transmission device comprising a register for storing information on an obstacle or a dangerous place. A vibrator that vibrates when receiving information on obstacles or dangerous places from a radio wave transmitter attached to the upper part of obstacles or dangerous places that are obstacles to walking such as visually impaired people,
A portable terminal device comprising: a voice output changeover switch capable of selecting whether or not to output information on an obstacle or a dangerous part transmitted from the radio wave transmission device by voice. The mobile terminal device according to claim 10,
A mobile terminal device having a function of a mobile phone.

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