JPH03144796A - Traffic signal state informing system for visually handicapped person - Google Patents
Traffic signal state informing system for visually handicapped personInfo
- Publication number
- JPH03144796A JPH03144796A JP28355889A JP28355889A JPH03144796A JP H03144796 A JPH03144796 A JP H03144796A JP 28355889 A JP28355889 A JP 28355889A JP 28355889 A JP28355889 A JP 28355889A JP H03144796 A JPH03144796 A JP H03144796A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- traffic
- detection circuit
- traffic signal
- visually impaired
- 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
- 230000001771 impaired effect Effects 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は、視覚障害者用交通信号状態通知システムに関
し、特に道路を横断しようとする視覚障害者に無線を利
用して交通信号の状態を知らせるようにした視覚障害者
用交通信号状態通知システムに関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a traffic signal status notification system for visually impaired people, and in particular, a system for notifying visually impaired people about the status of traffic lights using wireless communication when they are about to cross a road. This invention relates to a traffic signal status notification system for visually impaired persons.
[従来の技術]
従来のこの種の視覚障害者用交通信号状態通知システム
は、第6図に示すように、信号状態検出回路13と、テ
ープレコーダ等の音声発生部15と、音声発生部15を
制御する音声発生部制御回路14と、音声増幅回路16
、およびスピーカ17とから構成される装置
交通信号機11が横断可能であることを示しているとき
には、そのことを信号状態検出回路13で検知して音声
発生部15を動作させ、交通信号機11の近くに設置さ
れたスピーカ17から道路横断者(視覚障害者に限定せ
ず)に対して放送していた。交通信号機11の状態は、
音楽、チャイムパターンの区別と、スピーカ17の設置
場所や設置方向により、識別可能とされていた。また、
交通騒音の度合いによって、場所ごとにスピーカ17の
音量を調整するようにしていた。[Prior Art] As shown in FIG. 6, a conventional traffic signal status notification system for the visually impaired of this type includes a signal status detection circuit 13, a sound generation section 15 such as a tape recorder, and a sound generation section 15. a sound generation section control circuit 14 that controls the sound generation section, and a sound amplification circuit 16
, and a speaker 17. When the traffic signal 11 indicates that crossing is possible, the signal state detection circuit 13 detects this and operates the sound generator 15, The system was broadcasting to people crossing the road (not limited to visually impaired people) from a speaker 17 installed in the area. The status of the traffic signal 11 is
It was possible to identify them by distinguishing between music and chime patterns, and by the installation location and orientation of the speaker 17. Also,
The volume of the speaker 17 was adjusted for each location depending on the level of traffic noise.
[発明が解決しようとする課題]
上述した従来の視覚障害者用交通信号状態通知システム
は、通行人全員に対して無差別に交通信号の状態を音声
にて知らせていたために、また交通騒音の中で知らせて
いたために、大きな音量が必要となっていた。[Problems to be Solved by the Invention] The above-mentioned conventional traffic signal status notification system for visually impaired persons indiscriminately notifies all passersby of the traffic signal status by voice; Because the announcement was being made internally, a loud volume was required.
そのために、住宅地域等では騒音となるために、場所的
に或いは時間的に視覚障害者用交通信号状態通知システ
ムを使用できないという問題点がある。Therefore, there is a problem in that the traffic signal status notification system for visually impaired persons cannot be used in residential areas due to the noise.
また、従来の視覚障害者用交通信号状態通知システムは
、全交通信号機には普及していないので、音声による交
通信号状態の通知がない場合に、横断可能なのか、未だ
視覚障害者用交通信号状態通知システムが設置されてい
ないのか判断できないという問題点がある。In addition, the conventional traffic signal status notification system for visually impaired people has not been widely used at all traffic signals, so it is still difficult to know whether it is possible to cross the street when there is no audio notification of traffic signal status. There is a problem in that it is not possible to determine whether a status notification system is installed or not.
[課題を解決するための手段]
本発明は、上記の問題点に鑑みてなされたもので、周囲
に迷惑となる騒音を出すことなく、視覚障害者だけに交
差点の位置、横断歩道の位置、および交通信号の状態を
知らせ、視覚障害者が安全に一般道路を通行できるよう
にすることを目的とし、この目的を達成するために、交
通信号機と、交通信号機の信号灯を点灯制御する信号灯
制御回路と、信号灯の点灯状態を検出する信号状態検出
回路と、信号状態検出回路の出力信号を変調して送信す
る送信機と、送信機の出力信号を空中に送出する送信送
信アンテナと、送信送信アンテナから送信された信号を
受信する受信アンテナと、受信アンテナの受信信号を受
信して復調する受信機と、受信機が復調した信号から信
号状態検出回路の出力信号を検出する信号検出回路と、
信号検出回路の出力に応じて警報音を発生する警報音発
生器とを設けるように構成されている。[Means for Solving the Problems] The present invention has been made in view of the above-mentioned problems, and allows visually impaired people to easily understand the location of intersections, the locations of crosswalks, and the location of crosswalks, without emitting noise that disturbs the surroundings. The purpose is to notify the status of traffic signals and to enable visually impaired people to safely travel on general roads, and to achieve this purpose, traffic signals and signal light control circuits that control the lighting of the signal lights of traffic signals. , a signal state detection circuit that detects the lighting state of the signal light, a transmitter that modulates and transmits the output signal of the signal state detection circuit, a transmitting antenna that transmits the output signal of the transmitter into the air, and a transmitting transmitting antenna. a receiving antenna that receives a signal transmitted from the receiving antenna, a receiver that receives and demodulates the received signal of the receiving antenna, and a signal detection circuit that detects the output signal of the signal state detection circuit from the signal demodulated by the receiver;
The apparatus is configured to include an alarm sound generator that generates an alarm sound in accordance with the output of the signal detection circuit.
[実施例] 以下、本発明の実施例を図面に基づいて説明する。[Example] Embodiments of the present invention will be described below based on the drawings.
第1図は、本発明による視覚障害者用交通信号状態通知
システムの一実施例を示すブロック図である。FIG. 1 is a block diagram showing an embodiment of a traffic light status notification system for visually impaired persons according to the present invention.
第1図において、交通信号機1の信号状態(赤、黄、ま
たは緑)は、信号灯制御回路2に接続された信号状態検
出回路3によって検出され、信号状態検出回路3の出力
は送信機4に送られる。送信機4では信号状態検出回路
3の出力により、例えば、横断可能である場合にはNI
N、横断禁止の場合にはNO″となるような変調(例え
ば振幅変調や周波数変調)を行い、送信アンテナ5より
信号を送出する。In FIG. 1, the signal state (red, yellow, or green) of a traffic signal 1 is detected by a signal state detection circuit 3 connected to a signal light control circuit 2, and the output of the signal state detection circuit 3 is sent to a transmitter 4. Sent. The transmitter 4 uses the output of the signal state detection circuit 3 to determine, for example, if crossing is possible, the NI
If the crossing is prohibited, modulation (for example, amplitude modulation or frequency modulation) is performed so that the signal becomes "NO", and the signal is transmitted from the transmitting antenna 5.
この送信機4は交通信号機1或いは信号灯制御回路2の
近傍に設置されることが望ましい、また、送信電力は、
視覚障害者が数メートル以内に近付いたときに信号を受
信されれる方が好ましいので被弱電波で良く、また使用
する無線周波数は、行政機関により指定される周波数帯
を使用するのが好ましい。It is desirable that this transmitter 4 is installed near the traffic signal 1 or signal light control circuit 2, and the transmission power is
Since it is preferable for a visually impaired person to receive a signal when he or she approaches within a few meters, a weak radio wave is sufficient, and it is preferable that the radio frequency used be a frequency band designated by an administrative agency.
送信機4の送信信号は、視覚障害者が所持している受信
装置10の受信アンテナ6によって受信され、受信機7
で増幅かつ復調が行われ、信号検出回路8で元の”1″
および”O”の信号が検出される。この信号検出回路8
で検出された信号は、警報音発生器9により、例えば第
3図に示すような断続的な警報音に変換され、受信装置
10の所持者(視覚障害者)に交通信号機1の信号状態
が”横断可能”または”横断禁止”であることを知らせ
る。第3図に示すような断続的な警報音で視覚障害者に
知らせるのは、第2図に示すような単一の横断歩道に視
覚障害者用交通信号状態通知システムが設置された場合
に適している。The transmitted signal from the transmitter 4 is received by the receiving antenna 6 of the receiving device 10 owned by the visually impaired person, and is transmitted to the receiver 7.
Amplification and demodulation are performed in the signal detection circuit 8, and the original "1"
and an "O" signal is detected. This signal detection circuit 8
The detected signal is converted by the alarm sound generator 9 into an intermittent alarm sound as shown in FIG. Notify that crossing is allowed or prohibited. Notifying visually impaired people with an intermittent warning sound as shown in Figure 3 is suitable when a traffic signal status notification system for visually impaired people is installed at a single crosswalk as shown in Figure 2. ing.
第4図は、交差点に視覚障害者用交通信号状態通知シス
テムが設置された場合を示している。この場合は、A方
向およびB方向で送信信号を例えばA方向を”0.O”
と0,1”で表し、B方向を”1.0″と”1.1″で
表すように選定され、それぞれに対して第5図に示すよ
うな断続的な警報音で視覚障害者に知らせる。これによ
り、受信装置10の所持者(視覚障害者)は、どの方向
に横断が可能であるかを容易に知ることができる。FIG. 4 shows a case where a traffic signal status notification system for visually impaired persons is installed at an intersection. In this case, transmit signals in the A direction and B direction, for example, "0.O" in the A direction.
and 0,1", and direction B as "1.0" and "1.1", and for each direction, an intermittent alarm sound as shown in Figure 5 is selected to alert the visually impaired. This allows the owner of the receiving device 10 (a visually impaired person) to easily know in which direction they can cross.
受信装置10は、現在の選択受信機(ページャ−)の技
術を利用すれば視覚障害者が通常所持している所謂”白
いつえ”の中に組み込んだり、ペンダントやペンの中に
組み込むことも可能であり、その実現性は極めて高い。Using current selective receiver (pager) technology, the receiving device 10 can be incorporated into a so-called "white cane" that visually impaired people usually carry, or into a pendant or pen. , and its feasibility is extremely high.
[発明の効果]
以上で説明したように、本発明は、交通信号機と、交通
信号機の信号灯を点灯制御する信号灯制御回路と、信号
灯の点灯状態を検出する信号状態検出回路と、信号状態
検出回路の出力信号を変調して送信する送信機と、送信
機の出力信号を空中に送出する送信送信アンテナと、送
信送信アンテナから送信された信号を受信する受信アン
テナと、受信アンテナの受信信号を受信して復調する受
信機と、受信機が復調した信号から信号状態検出回路の
出力信号を検出する信号検出回路と、信号検出回路の出
力に応じて警報音を発生する警報音発生器とを設けるよ
うに構成したので、周囲に迷惑となる騒音を出すことな
く、視覚障害者だけに交差点の位置、横断歩道の位置、
および交通信号の状態を知らせ、視覚障害者が安全に一
般道路を通行できるようにすることが可能となる。[Effects of the Invention] As explained above, the present invention provides a traffic signal, a signal light control circuit that controls the lighting of the signal light of the traffic signal, a signal state detection circuit that detects the lighting state of the signal light, and a signal state detection circuit. A transmitter that modulates and transmits the output signal of the transmitter, a transmitting antenna that transmits the output signal of the transmitter into the air, a receiving antenna that receives the signal transmitted from the transmitting transmitting antenna, and a receiving signal that is received by the receiving antenna. and a signal detection circuit that detects the output signal of the signal state detection circuit from the signal demodulated by the receiver, and an alarm sound generator that generates an alarm sound in accordance with the output of the signal detection circuit. This structure allows visually impaired people to easily understand the location of intersections, crosswalks, etc., without making any noise that may be a nuisance to those around them.
It also informs the status of traffic lights and allows visually impaired people to safely navigate public roads.
第1図は、本発明による視覚障害者用交通信号状態通知
システムの一実施例を示すブロック図、第2図は、本発
明による視覚障害者用交通信号状態通知システムの設置
例を示す平面図、第3図は、本発明による視覚障害者用
交通信号状態通知システムの警報音の例を示す波形図、
第4図は、本発明による視覚障害者用交通信号状態通知
システムの他の設置例を示す平面図、第5図は、本発明
による視覚障害者用交通信号状態通知システムの他の警
報音の例を示す波形図、第6図は、従来の視覚障害者用
交通信号状態通知システムを示すブロック図である。
交通信号機
信号灯制御回路
信号状態検出回路
送信機
送信アンテナ
受信アンテナ
受信機
信号検出回路
警報音発生器
受信装置FIG. 1 is a block diagram showing an embodiment of the traffic signal status notification system for visually impaired persons according to the present invention, and FIG. 2 is a plan view showing an installation example of the traffic signal status notification system for visually impaired persons according to the present invention. , FIG. 3 is a waveform diagram showing an example of the alarm sound of the traffic signal status notification system for visually impaired persons according to the present invention;
FIG. 4 is a plan view showing another installation example of the traffic signal status notification system for visually impaired persons according to the present invention, and FIG. FIG. 6, a waveform diagram illustrating an example, is a block diagram illustrating a conventional traffic light status notification system for visually impaired persons. Traffic signal Signal light control circuit Signal status detection circuit Transmitter Transmitting antenna Receiving antenna Receiver Signal detection circuit Alarm tone generator Receiving device
Claims (3)
する信号灯制御回路と、前記信号灯の点灯状態を検出す
る信号状態検出回路と、該信号状態検出回路の出力信号
を変調して送信する送信機と、該送信機の出力信号を空
中に送出する送信送信アンテナと、該送信送信アンテナ
から送信された信号を受信する受信アンテナと、該受信
アンテナの受信信号を受信して復調する受信機と、該受
信機が復調した信号から前記信号状態検出回路の出力信
号を検出する信号検出回路と、該信号検出回路の出力に
応じて警報音を発生する警報音発生器とを有する視覚障
害者用交通信号状態通知システム。(1) A traffic signal, a signal light control circuit that controls the lighting of the signal light of the traffic signal, a signal state detection circuit that detects the lighting state of the signal light, and a transmission that modulates and transmits the output signal of the signal state detection circuit. a transmitting antenna that transmits an output signal of the transmitter into the air; a receiving antenna that receives the signal transmitted from the transmitting antenna; and a receiver that receives and demodulates the received signal of the receiving antenna. , for visually impaired persons, comprising a signal detection circuit that detects the output signal of the signal state detection circuit from the signal demodulated by the receiver, and an alarm sound generator that generates an alarm sound in accordance with the output of the signal detection circuit. Traffic signal status notification system.
間隔の異なる複数種類であることを特徴とする特許請求
の範囲第1項記載の視覚障害者用交通信号状態通知シス
テム。(2) The traffic signal status notification system for visually impaired persons according to claim 1, wherein the alarm sound generated by the alarm sound generator is of a plurality of types with different intermittent sound intervals.
通知するのに、交差点の縦横の2方向によつて断続音の
間隔の異なる複数種類の警報音を前記警報音発生器が発
生することを特徴とする特許請求の範囲第2項記載の視
覚障害者用交通信号状態通知システム。(3) In order to notify the lighting status of the signal lights in the two directions of the intersection, the alarm sound generator generates multiple types of alarm sounds with different intermittent sound intervals depending on the two directions of the intersection. A traffic signal status notification system for visually impaired persons according to claim 2, characterized in that:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28355889A JPH03144796A (en) | 1989-10-31 | 1989-10-31 | Traffic signal state informing system for visually handicapped person |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28355889A JPH03144796A (en) | 1989-10-31 | 1989-10-31 | Traffic signal state informing system for visually handicapped person |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03144796A true JPH03144796A (en) | 1991-06-20 |
Family
ID=17667084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28355889A Pending JPH03144796A (en) | 1989-10-31 | 1989-10-31 | Traffic signal state informing system for visually handicapped person |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03144796A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5345232A (en) * | 1992-11-19 | 1994-09-06 | Robertson Michael T | Traffic light control means for emergency-type vehicles |
US8100987B2 (en) | 2004-03-16 | 2012-01-24 | Jane D. Middleton | Cleaning fluid and methods |
CN103218913A (en) * | 2012-12-26 | 2013-07-24 | 深圳市汇沣电子有限公司 | Intelligent transportation guiding device |
CN114973639A (en) * | 2022-07-27 | 2022-08-30 | 广州华途信息科技有限公司 | Visual barrier person street crossing sound prompting method and system for pedestrian crossing signal lamp |
-
1989
- 1989-10-31 JP JP28355889A patent/JPH03144796A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5345232A (en) * | 1992-11-19 | 1994-09-06 | Robertson Michael T | Traffic light control means for emergency-type vehicles |
US8100987B2 (en) | 2004-03-16 | 2012-01-24 | Jane D. Middleton | Cleaning fluid and methods |
CN103218913A (en) * | 2012-12-26 | 2013-07-24 | 深圳市汇沣电子有限公司 | Intelligent transportation guiding device |
CN114973639A (en) * | 2022-07-27 | 2022-08-30 | 广州华途信息科技有限公司 | Visual barrier person street crossing sound prompting method and system for pedestrian crossing signal lamp |
CN114973639B (en) * | 2022-07-27 | 2022-11-15 | 广州华途信息科技有限公司 | Visual barrier person street crossing sound prompting method and system for pedestrian crossing signal lamp |
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