JPH09149915A - Visually handicapped person guidance system - Google Patents
Visually handicapped person guidance systemInfo
- Publication number
- JPH09149915A JPH09149915A JP31283095A JP31283095A JPH09149915A JP H09149915 A JPH09149915 A JP H09149915A JP 31283095 A JP31283095 A JP 31283095A JP 31283095 A JP31283095 A JP 31283095A JP H09149915 A JPH09149915 A JP H09149915A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- information signal
- passage
- road
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005284 excitation Effects 0.000 claims abstract description 11
- 230000006698 induction Effects 0.000 claims description 15
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 abstract description 9
- 230000001771 impaired effect Effects 0.000 description 24
- 230000005540 biological transmission Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000010356 wave oscillation Effects 0.000 description 1
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- Audible And Visible Signals (AREA)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は視覚障害者誘導シス
テムに関し、特に、使用者に通路の情報を早期に伝達で
き安全性が向上された視覚障害者誘導システムに係わ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a visually impaired person guiding system, and more particularly to a visually impaired person guiding system which is capable of promptly transmitting passage information to a user and improving safety.
【０００２】[0002]
【従来の技術】従来から、視覚障害者が舗道、駅のプラ
ットホーム等を歩行する際、視覚障害者を誘導するため
に通路に埋設された、図７に示すような、点字ブロック
Ｂ１、Ｂ２があった。点字ブロックＢ１は舗道部分に埋
設され、進行可能であることを意味し、点字ブロックＢ
２は階段、プラットホームの端部等の障害物のある部分
に埋設され、用心しなければならないことを意味するも
のである。視覚障害者が歩行する際、杖を携帯し、杖で
障害物がないことを確認した上で、舗道やプラットホー
ムの端の部分に埋設された点字ブロックＢ１、Ｂ２を踏
んだときに靴を介して受ける足の感覚によりこれらを認
識し、危険を避けるように誘導されて歩行していた。2. Description of the Related Art Conventionally, when a visually impaired person walks on a pavement, a station platform or the like, Braille blocks B1 and B2 as shown in FIG. there were. Braille block B1 means that it is buried in the pavement and can proceed.
2 means that it must be guarded by being buried in a portion with obstacles such as stairs and the end of the platform. When a visually handicapped person walks, carry a cane, check that there are no obstacles with the cane, and step on the braille blocks B1 and B2 buried at the end of the pavement or platform through shoes. They were aware of these by the sense of feet they received, and were guided while walking to avoid danger.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、このよ
うな点字ブロックＢ１、Ｂ２は足で踏んで認識されるた
め、曲がり角等では、行過ぎてから点字ブロックＢ１が
埋設されていないことを知覚して始めて曲がり角であっ
たことが認識でき、事前に曲がり角を認識できず、戸惑
うこともあり、目的地に到達するのに余分な時間がかか
ってしまった。However, since such Braille blocks B1 and B2 are recognized by stepping on them with a foot, it is perceived that the Braille block B1 is not buried after going too far at a corner or the like. I could recognize that it was a turn for the first time, I could not recognize the turn in advance, I was confused, and it took extra time to reach the destination.
【０００４】また、靴を介して受ける足の感覚によって
識別されるものには限界があり、点字ブロックは、現在
のところＢ１、Ｂ２の２種類のみしかなく、視覚障害者
が歩行するには得られる情報があまりにも少なく、不親
切であった。このため、安全が確保された状態で歩行が
できるとは言えず、危険を防止することが十分になされ
ていなかった。Moreover, there is a limit to what can be identified by the sense of the foot received through shoes, and there are currently only two types of Braille blocks, B1 and B2, which are not suitable for visually impaired persons to walk. Too little information was given and it was unkind. For this reason, it cannot be said that walking is possible while ensuring safety, and the danger has not been sufficiently prevented.
【０００５】本発明は、このような問題点を解消するた
めになされたもので、視覚障害者が歩行する際、視覚障
害者に事前に、曲がり角、車道、階段、プラットホーム
の端等の細かい情報を知らせることにより、歩行に対し
て安全性を向上させ、戸惑うことがなく、余分な時間を
要することがない視覚障害者誘導システムを提供するこ
とを目的とする。The present invention has been made in order to solve such a problem, and when a visually impaired person walks, the visually impaired person is informed in advance about detailed information such as a corner, a roadway, a stairway, an edge of a platform, and the like. The purpose of the present invention is to provide a visually impaired person guidance system that improves safety for walking, does not cause confusion, and does not require extra time.
【０００６】[0006]
【課題を解決するための手段】このような目的を達成す
るため本発明の視覚障害者誘導システムは、励振信号を
発生する発振回路及び励振信号が入力され通路の状況に
応じた通路情報信号を発信する通路に埋設された通路情
報発信コイルを備えた送信部と、受信された通路情報信
号に基づき情報信号を送出する受信コイル、情報信号が
入力され誘導信号を送出する誘導信号送出回路及び誘導
信号により電源回路から給電されて振動する振動モータ
を備えた携帯部とを有するものである。In order to achieve such an object, the visually impaired person guidance system of the present invention provides an oscillation circuit for generating an excitation signal and a passage information signal according to the situation of the passage to which the excitation signal is input. A transmitter having a passage information transmitting coil embedded in a passage for transmitting, a receiving coil for transmitting an information signal based on the received passage information signal, an induction signal transmitting circuit for transmitting an induction signal to which the information signal is input, and an induction And a mobile unit provided with a vibration motor that is powered by a power supply circuit in response to a signal and vibrates.
【０００７】即ち、本発明の視覚障害者誘導システム
は、発振回路から励振信号を発生させ、この励振信号を
通路に埋設された通路情報発信コイルに出力し通路情報
発信コイルから、通路の状況に応じた通路情報信号を発
信させる。通路情報信号は、視覚障害者が携帯する携帯
部の先端に設けられる受信コイルに入力される。受信コ
イルは通路情報信号に基づき情報信号を誘導信号送出回
路に出力する。誘導信号送出回路は、情報信号を入力し
たとき誘導信号を出力する。この誘導信号により振動モ
ータを駆動、停止させることにより、携帯部を携帯する
視覚障害者が振動モータの駆動による振動を感知し、予
め定められた振動の組合わせにより種々の情報を得るこ
とができる。That is, the visually impaired guidance system of the present invention generates an excitation signal from the oscillation circuit, outputs the excitation signal to the passage information transmitting coil embedded in the passage, and the passage information transmitting coil changes the condition of the passage. The corresponding passage information signal is transmitted. The passage information signal is input to a receiving coil provided at the tip of a portable section carried by a visually impaired person. The receiving coil outputs an information signal to the inductive signal sending circuit based on the path information signal. The guidance signal sending circuit outputs a guidance signal when the information signal is input. By driving and stopping the vibration motor with this induction signal, a visually handicapped person who carries the portable unit can detect the vibration caused by the driving of the vibration motor, and can obtain various information by combining predetermined vibrations. .
【０００８】[0008]
【発明の実施の形態】以下、本発明の視覚障害者誘導シ
ステムを適用した一実施例を図１に従って詳述する。図
１に示すように、視覚障害者誘導システムＳは、通路の
状況に応じた通路情報信号を通路に埋設された通路情報
発信コイルから常時発信させる送信部１と、視覚障害者
に携帯される杖に設けられ、送信部１に近付いたとき通
路情報信号を受信し、通路情報信号に基づき視覚障害者
に通路の情報を感知させる携帯部２とを備えたものであ
る。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment to which the visually impaired person guiding system of the present invention is applied will be described in detail below with reference to FIG. As shown in FIG. 1, the visually impaired person guidance system S is carried by a visually impaired person, and a transmission unit 1 that constantly transmits a passage information signal according to the condition of the passage from a passage information transmitting coil embedded in the passage. The portable unit 2 is provided on the cane and receives a passage information signal when approaching the transmission unit 1 and allows a visually impaired person to sense passage information based on the passage information signal.
【０００９】送信部１は、励振信号ｆ1を発生させる発
振回路３を有する。発振回路３は、ＬＣ発振回路、ＣＲ
発振回路等何れであってもよく、一定間隔で送出される
パルス等の励振信号ｆ1を発振する。発振回路３には、
発振回路３で発生された励振信号ｆ1を増幅する増幅回
路４が接続され、増幅回路４には通路情報発信コイルで
ある送信コイル５が接続される。送信コイル５は、増幅
回路４で増幅されたパルスを通路情報信号ｆ2として送
出するものであり、常時、一定間隔で発振されるパルス
からなる、例えば、”進行可”を示すものと予め視覚障
害者に知らされた通路情報信号ｆ2を常時送出する。送
信コイル５は、図２に示すように、通路に埋設され、点
字ブロックＢ１と併用されて適用されてもよく、例え
ば、点字ブロックＢ１の周囲に埋設されてもよい。The transmitter 1 has an oscillator circuit 3 for generating an excitation signal f 1 . The oscillator circuit 3 is an LC oscillator circuit, a CR
It may be an oscillation circuit or the like, and oscillates an excitation signal f 1 such as a pulse sent at a constant interval. The oscillator circuit 3 has
An amplification circuit 4 for amplifying the excitation signal f 1 generated by the oscillation circuit 3 is connected, and a transmission coil 5 which is a passage information transmission coil is connected to the amplification circuit 4. The transmission coil 5 sends out the pulse amplified by the amplifier circuit 4 as the path information signal f 2 , and is composed of pulses that are constantly oscillated at a constant interval, for example, a signal indicating “progress is possible” and is visually recognized in advance. The passage information signal f 2 informed to the disabled person is constantly transmitted. As shown in FIG. 2, the transmission coil 5 may be embedded in the passage and used in combination with the braille block B1. For example, the transmission coil 5 may be embedded around the braille block B1.
【００１０】更に、送信部１には発振回路３で発生され
るパルスを分周する分周回路６が設けられる。分周回路
６は、”車道”、”昇り階段”、”降り階段”、”陥
没”等を表示するものとして、通路状況によって特定間
隔の信号を発生させるため、発生させる信号に応じた間
隔でパルスを分周するよう制御回路７により制御される
ものである。分周回路６にはゲート回路８が接続され、
分周されたパルスはゲート回路８により、例えば、図３
に示すようなＦＳＫ信号（バースト信号）に生成され
る。ゲート回路８には増幅回路９を介して通路情報発信
コイルである送信コイル１０が接続される。送信コイル
１０は、増幅回路９で増幅されたゲート回路８からのＦ
ＳＫ信号を通路情報信号ｆ3として送出する。通路情報
信号ｆ3は、常時、埋設された通路状況を示す特定の間
隔をもって発振される信号である。送信コイル１０は、
送信コイル５と同様に、通路に埋設され、点字ブロック
Ｂ２と併用されて適用されてもよく、例えば、図２に示
す点字ブロックＢ２の周囲に埋設されてもよい。Further, the transmitter 1 is provided with a frequency divider circuit 6 for dividing the pulse generated by the oscillator circuit 3. The frequency dividing circuit 6 generates a signal at a specific interval depending on the aisle condition, for displaying "road", "up stairs", "down stairs", "depression", etc. It is controlled by the control circuit 7 to divide the pulse. A gate circuit 8 is connected to the frequency dividing circuit 6,
The frequency-divided pulse is generated by the gate circuit 8 as shown in FIG.
The FSK signal (burst signal) is generated as shown in FIG. A transmission coil 10, which is a passage information transmission coil, is connected to the gate circuit 8 via an amplifier circuit 9. The transmission coil 10 has the F from the gate circuit 8 amplified by the amplifier circuit 9.
The SK signal is transmitted as the path information signal f 3 . The passage information signal f 3 is a signal which is constantly oscillated at a specific interval indicating the buried passage condition. The transmission coil 10 is
Similar to the transmission coil 5, it may be embedded in the passage and used in combination with the Braille block B2. For example, it may be embedded around the Braille block B2 shown in FIG.
【００１１】更に、送信部１は、制御回路の設定により
分周比を変化させ、パルスの間隔を変化させて、ゲート
回路により、例えば、図４に示すようなＦＳＫ信号（バ
ースト信号）を生成し、通路状況に応じた他の通路情報
信号として送出するものであってもよい。尚、送信コイ
ル５、１０が１つの発振回路に対してそれぞれ１つのみ
図示してあるが、送信コイル５、１０を１つの発振回路
に対しそれぞれ複数設け、複数の場所に埋設されたそれ
ぞれの送信コイル５、１０から通路情報信号を送出する
ものであってもよい。Further, the transmitter 1 changes the frequency division ratio according to the setting of the control circuit and changes the pulse interval, and the gate circuit generates an FSK signal (burst signal) as shown in FIG. 4, for example. However, it may be transmitted as another passage information signal according to the passage situation. Although only one transmitter coil 5 and 10 are shown for each oscillator circuit, a plurality of transmitter coils 5 and 10 are provided for each oscillator circuit, and each transmitter coil is embedded in a plurality of places. The passage information signal may be transmitted from the transmission coils 5 and 10.
【００１２】このような送信部１で出力される通路情報
信号ｆ2、ｆ3を入力する携帯部２は、図５に示すよう
に、視覚障害者により携帯される杖に設けられ、杖の先
端に、送信コイル５、１０から送出される通路情報信号
ｆ2、ｆ3を入力する受信コイル１１が設けられる。受信
コイル１１は送信コイル５、１０から送出される通路情
報信号ｆ2、ｆ3を電気信号の情報信号ｆ4に変換するも
のであり、受信コイル１１から送出される情報信号ｆ4
は、受信コイル１１が送信コイル５、１０に近付く程、
電界強度が大きくなる。受信コイル１１にはＲＳＳＩ回
路（Radio SignalStrength Indicator）１２が接続され
る。ＲＳＳＩ回路１２は高周波信号の電界強度に比例し
た電圧を取り出すものであり、受信コイル１１から送出
される情報信号ｆ4を電界強度に応じたＤＣ電位とす
る。従って、受信コイル１１に受信された通路情報信号
ｆ2、ｆ3は、送信コイル５、１０から受信コイル１１ま
での距離に相当したＤＣ電位とされた情報信号としてＲ
ＳＳＩ回路１２から送出される。ＲＳＳＩ回路１２には
誘導信号送出回路であるコンパレータ回路１３が接続さ
れる。コンパレータ回路１３には三角波発振回路１４が
接続され、ＲＳＳＩ回路１２からの情報信号と、三角波
発振回路１４から三角波とが入力されたとき、コンパレ
ータ回路１３から情報信号に応じた、例えば、”進行
可”あるいは”階段あり”等に相当する誘導信号ｆ5が
送出される。誘導信号ｆ5はＰＷＭ信号（”進行可”の
ＰＷＭ信号を図６に示す。）であり、情報信号の電界強
度が強い程、ＯＮのデューティ比が大とされる。As shown in FIG. 5, the portable section 2 for inputting the passage information signals f 2 and f 3 output from the transmitting section 1 is provided on a cane carried by a visually handicapped person, and At the tip, a receiving coil 11 for receiving the path information signals f 2 and f 3 sent from the transmitting coils 5 and 10 is provided. Receiving coil 11 is to convert the path information signal f 2, f 3 that is transmitted from the transmitting coil 5, 10 to the information signal f 4 of the electrical signal, the information signal f 4 sent from the receiving coil 11
Is as the receiving coil 11 gets closer to the transmitting coils 5 and 10,
The electric field strength increases. An RSSI circuit (Radio Signal Strength Indicator) 12 is connected to the receiving coil 11. The RSSI circuit 12 extracts a voltage proportional to the electric field strength of the high frequency signal, and makes the information signal f 4 sent from the receiving coil 11 a DC potential corresponding to the electric field strength. Therefore, the path information signals f 2 and f 3 received by the receiving coil 11 are R information signals which are DC potentials corresponding to the distances from the transmitting coils 5 and 10 to the receiving coil 11.
It is sent from the SSI circuit 12. The RSSI circuit 12 is connected to a comparator circuit 13 which is a guide signal transmission circuit. When the triangular wave oscillator circuit 14 is connected to the comparator circuit 13 and the information signal from the RSSI circuit 12 and the triangular wave from the triangular wave oscillator circuit 14 are input, the comparator circuit 13 responds to the information signal by, for example, "progress is possible. The guidance signal f 5 corresponding to “or“ with stairs ”or the like is transmitted. The induction signal f 5 is a PWM signal (a PWM signal of “progressable” is shown in FIG. 6), and the stronger the electric field strength of the information signal, the larger the ON duty ratio.
【００１３】更に、コンパレータ回路１３はトランジス
タ１５のベースに接続されると共に、ベースバイアス用
抵抗Ｒを介して基準電位点に接続される。トランジスタ
１５のエミッタは基準電位点に接続され、コレクタは振
動モータ１６に接続される。振動モータ１６は過電流防
止用ダイオード１７と並列に接続され、振動モータ１６
に過電流が流れるのが防止される。更に、振動モータ１
６は基準電位点に接続される電源回路１８に接続され
る。振動モータ１６はコンパレータ回路１３から送出さ
れる誘導信号ｆ5を入力したとき電源回路１８から電源
が供給されて駆動し、誘導信号ｆ5のＯＮのデューティ
比に比例して回転数が変化する。振動モータ１６は誘導
信号ｆ5を入力しないときは、電源回路１８から電源が
供給されず停止した状態となっている。Further, the comparator circuit 13 is connected to the base of the transistor 15 and also connected to the reference potential point via the base bias resistor R. The emitter of the transistor 15 is connected to the reference potential point, and the collector is connected to the vibration motor 16. The vibration motor 16 is connected in parallel with the overcurrent prevention diode 17, and
Overcurrent is prevented from flowing to the device. Furthermore, the vibration motor 1
6 is connected to the power supply circuit 18 connected to the reference potential point. The vibration motor 16 is driven by being supplied with power from the power supply circuit 18 when the induction signal f 5 sent from the comparator circuit 13 is input, and the rotation speed changes in proportion to the ON duty ratio of the induction signal f 5 . When the vibration motor 16 does not receive the induction signal f 5 , the power supply circuit 18 does not supply power and is in a stopped state.
【００１４】このような視覚障害者誘導システムの動作
を説明する。通路情報信号ｆ2、ｆ3をそれぞれ送出する
送信コイル５、１０を、相当する通路に埋設しておく。
送信コイル５からは、発振回路３からの一定間隔の信号
ｆ1が増幅回路４で増幅され、予め視覚障害者に知らさ
れた”歩行可”を示す通路情報信号ｆ2が常時送信され
る。送信コイル１０からは、発振回路３で発振される信
号ｆ1を、制御回路７により制御された分周回路６によ
り分周し、ゲート回路８によりＦＳＫ信号に生成し、増
幅回路９で増幅し、送信コイル１０が埋設された通路状
況に応じ予め定めた約束に従って例えば”昇り階段”を
示す特定の間隔の通路情報信号ｆ3が常時送信される。The operation of such a visually impaired person guidance system will be described. The transmission coils 5 and 10 for transmitting the passage information signals f 2 and f 3 respectively are embedded in the corresponding passages.
From the transmission coil 5, the signal f 1 from the oscillation circuit 3 at a constant interval is amplified by the amplification circuit 4, and the passage information signal f 2 indicating “walking allowed” which has been notified to the visually impaired person in advance is constantly transmitted. From the transmission coil 10, the signal f 1 oscillated by the oscillation circuit 3 is divided by the frequency dividing circuit 6 controlled by the control circuit 7, the gate circuit 8 generates an FSK signal, and the amplification circuit 9 amplifies the signal. , The passage information signal f 3 at a specific interval indicating, for example, "a climbing stair" is constantly transmitted according to a predetermined promise according to the passage condition in which the transmission coil 10 is buried.
【００１５】携帯部２が設けられた杖を携帯した視覚障
害者が送信コイル５、１０に近くと、杖の先端の受信コ
イル１１が通路情報信号ｆ2、ｆ3を受信し、電気信号に
変換し、情報信号ｆ4を送出する。ＲＳＳＩ回路１２で
情報信号ｆ4は電界強度に応じたＤＣ電位とされ、コン
パレータ回路１３に情報信号と三角波発振回路１４から
の三角波が入力されたとき、トランジスタ１５のベース
に誘導信号ｆ5が送出される。誘導信号ｆ5に応じて振動
モータ１７が振動する。歩行可であれば、等間隔で振動
モータ１６が振動し、誘導信号ｆ5のデューティ比に比
例して振動モータ１６の駆動の強さが変化するため、携
帯部２を携帯する視覚障害者は、振動の強さが強いとき
舗道に沿って歩行していることが知覚される。振動の強
さが強い状態から弱くなったとき、適切な進行方向から
外れていることを知覚し、携帯部２の先端を異なる方向
に向けて振動の強さが強い方向に進行することで、適切
な進行方向に誘導される。振動モータ１６の振動により
伝達される振動が予め定められた”階段あり”の間隔で
あれば、振動の強さがより強く感じられる方向に階段が
あることがわかる。振動モータ１６の振動を種々の間隔
の組合わせとすることにより、駅のキップ売場、改札口
等を表示するものとして、視覚障害者は多数の情報を得
ることができる。When a visually handicapped person who carries a cane provided with the portable section 2 is near the transmitting coils 5 and 10, the receiving coil 11 at the tip of the cane receives the passage information signals f 2 and f 3 and converts them into electrical signals. It is converted and the information signal f 4 is transmitted. In the RSSI circuit 12, the information signal f 4 is set to a DC potential according to the electric field strength, and when the information signal and the triangular wave from the triangular wave oscillation circuit 14 are input to the comparator circuit 13, the induction signal f 5 is sent to the base of the transistor 15. To be done. The vibration motor 17 vibrates according to the induction signal f 5 . If walking friendly, since the vibration motor 16 vibrates at regular intervals, the strength of the driving of the vibration motor 16 in proportion to the duty ratio of the induction signal f 5 is changed, visually impaired person carrying the portable unit 2 , It is perceived that you are walking along the pavement when the vibration intensity is strong. When the strength of vibration is weakened from a strong state, it is perceived that it is out of the appropriate traveling direction, and the tip of the mobile unit 2 is directed in a different direction to travel in a strong vibration direction. Guided in the appropriate direction. If the vibration transmitted by the vibration of the vibration motor 16 has a predetermined “staircase” interval, it can be seen that the staircase exists in a direction in which the strength of the vibration is more strongly felt. By combining the vibrations of the vibration motor 16 at various intervals, the visually impaired person can obtain a lot of information to display the ticket sales floor of the station, the ticket gate, and the like.
【００１６】以上の説明は本発明の一実施例であって、
本発明は、携帯部に振動モータの代りにスピーカを設
け、振動モータの振動によらず、音声で知覚できるもの
としてもよい。The above description is an embodiment of the present invention.
In the present invention, a speaker may be provided in the mobile unit instead of the vibration motor, and the speaker can be perceived by voice regardless of the vibration of the vibration motor.
【００１７】[0017]
【発明の効果】以上の実施例からも明らかなように、本
発明の視覚障害者誘導システムによれば、通路等に埋設
される通路情報発信コイルから通路の状況に応じ、予め
定められた間隔の通路情報信号を常時発信させ、この通
路情報信号を視覚障害者が携帯する杖の先端に設けた受
信コイルで受信し、通路情報信号に応じて振動モータの
駆動、停止を行い、しかも、通路情報発信コイルから受
信コイルまでの距離に応じた駆動の強さで振動モータを
駆動させ、この振動を視覚障害者が知覚するようにした
ため、視覚障害者が歩行する際、杖の他に特別な装置を
携帯せずに、事前に、曲がり角、車道、階段、プラット
ホームの端等の細かい情報を得ることができ、非常に安
全に歩行することができ、また、歩行時に余分な時間を
要することがなく、視覚障害者を誘導することができ
る。As is apparent from the above embodiments, according to the visually impaired guidance system of the present invention, a predetermined distance from the passage information transmitting coil embedded in the passage or the like is set according to the situation of the passage. Of the passage information signal is constantly transmitted, and this passage information signal is received by the receiving coil provided at the tip of the cane carried by the visually impaired person, and the vibration motor is driven and stopped according to the passage information signal. The vibration motor is driven by the driving strength according to the distance from the information transmitting coil to the receiving coil, and the vibration is perceived by the visually impaired person. You can get detailed information about turns, roads, stairs, platform edges, etc. in advance without carrying the device, you can walk very safely, and it may take extra time when walking. Without It is possible to induce the visually impaired.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の視覚障害者誘導システムの一実施例を
示すブロック図。FIG. 1 is a block diagram showing an embodiment of a visually impaired person guidance system of the present invention.
【図２】図１に示す一実施例の要部を示す斜視図。FIG. 2 is a perspective view showing a main part of the embodiment shown in FIG.
【図３】図１に示す一実施例により生成される信号を示
す図。3 is a diagram showing signals generated by the embodiment shown in FIG. 1. FIG.
【図４】図１に示す一実施例により生成される信号を示
す図。FIG. 4 is a diagram showing signals generated by the embodiment shown in FIG.
【図５】図１に示す一実施例の要部を示す斜視図。5 is a perspective view showing a main part of the embodiment shown in FIG. 1. FIG.
【図６】図１に示す一実施例により生成される信号を示
す図。FIG. 6 is a diagram showing signals generated by the embodiment shown in FIG.
【図７】従来例を示す図。FIG. 7 is a diagram showing a conventional example.
Ｓ・・・・・・視覚障害者誘導システム １・・・・・・送信部 ２・・・・・・携帯部 ３・・・・・・発振回路 ５、１０・・・・・・送信コイル（通路情報発信コイル） １１・・・・・・受信コイル １３・・・・・誘導信号送出回路（コンパレータ回路） １６・・・・・振動モータ １８・・・・・電源回路 ｆ1・・・・・励振信号 ｆ2、ｆ3・・・・・通路情報信号 ｆ4・・・・・情報信号 ｆ5・・・・・誘導信号S ・ ・ ・ ・ Visually Impaired Guidance System 1 ・ ・ ・ Transmitting Unit 2 ・ ・ ・ ・ Mobile Unit 3 ・ ・ ・ ・ Oscillating Circuit 5, 10 ・ ・ ・ ・ ・ ・ Transmitting Coil (Passage information transmission coil) 11 ... Reception coil 13 ... Induction signal transmission circuit (comparator circuit) 16 ... Vibration motor 18 ... Power supply circuit f 1 ... · excitation signal f 2, f 3 ····· passage information signal f 4 · · · · · information signal f 5 · · · · · derived signal
Claims (1)
（３）及び前記励振信号が入力され通路の状況に応じた
通路情報信号（ｆ2、ｆ3）を発信する前記通路に埋設さ
れた通路情報発信コイル（５、１０）を備えた送信部
（１）と、受信された前記通路情報信号に基づき情報信
号（ｆ4）を送出する受信コイル（１１）、前記情報信
号が入力され誘導信号（ｆ5）を送出する誘導信号送出
回路（１３）及び前記誘導信号により電源回路（１８）
から給電されて振動する振動モータ（１６）を備えた携
帯部（２）とを有することを特徴とする視覚障害者誘導
システム。1. An oscillating circuit (3) for generating an excitation signal (f 1 ) and a buried in the passage for receiving the excitation signal and transmitting a passage information signal (f 2 , f 3 ) according to the situation of the passage. And a receiving coil (11) for transmitting an information signal (f 4 ) based on the received passage information signal, and the information signal is input. Induction signal transmission circuit (13) for transmitting the induction signal (f 5 ) and a power supply circuit (18) by the induction signal
And a mobile unit (2) having a vibration motor (16) that is supplied with power and vibrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31283095A JPH09149915A (en) | 1995-11-30 | 1995-11-30 | Visually handicapped person guidance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31283095A JPH09149915A (en) | 1995-11-30 | 1995-11-30 | Visually handicapped person guidance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09149915A true JPH09149915A (en) | 1997-06-10 |
Family
ID=18033943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31283095A Pending JPH09149915A (en) | 1995-11-30 | 1995-11-30 | Visually handicapped person guidance system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09149915A (en) |
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