Blind man traffic information system

Abstract

The inventive traffic blind brick can display the outlet of the left, the front, the right, the upper, the lower, the cross and the tee intersection without the cane or foot to detect outside the blind brick, also can know the social service system of the bus, the subway, the tunnel, the overbridge, the public toilet, the south and the north and the business, the government and the like. The unsafe street crossing voice information for the blind adopts the double impulse with time difference and code which can identify the orientation, while the forbidden voice information adopts the single pulse pleased note which can time free of the time difference, then is added with the different pulse interval, the audio frequency and the volume, it is easy to judge correctly for the blind, which eliminates the obstacle and the danger. Also the coding notes can be used as the voice information of the up run, the down run, the up time and the inverse time and the like. In the freezeup time, the 'sound channel' is used to replace the dummy road, to hint the traffic voice information, then is added with a flow teleoperator, therefore the blinds know the highway condition along the street by ear, and go shopping safely and conveniently. The invention adds the viability and sets the human dignity.

Description

[0001] Foreword The more developed the modern material civilization and the more convenient the transportation in the city, the more difficult and dangerous it is for pedestrians to go out, especially for the blind. In the last century, Europe and the United States took the lead in advocating "barrier-free access". In 1961, the United States also stipulated that all federal government investment projects must implement barrier-free access. And many colleges and universities in the country's architecture department also set up "barrier-free access" design courses. Although it has been practiced by most developed countries for decades, the "barrier-free access" of the blind road and the guide voice, which represent civilized projects and popular support projects, not only does not match the name, but also has hidden dangers of misleading. [0002] Purpose In order to make more than 12.7 million blind people in my country and the blind people in the world obtain safety and conveni...

AI Technical Summary

Problems solved by technology

But the bus station and the main road with voice cannot be detected yet.

If the bus station or the main road with sound is regarded as the main road with no sound, personal injury will inevitably occur

[0010] (2) The general situation and defects of the current guide voice

[0018] (2-6) There are hidden dangers in the same voice - when the vehicle is driving north-south, the east-west intersection has the same traffic voice

If the sound failure on one side of the intersection does not sound, blind people can easily pass through the dangerous central traffic zone, and walk to the opposite side with the sound of traffic, and the sad danger will be hard to escape.

Also, because the voices on both sides of each road sound at the same time and cause self-interference, so in the whole process of blind people crossing the street, it is impossible to know the exact position and distance of the blind crossing on the opposite street.

[0019] (2-7) There are many difficulties for the blind to go out—except that the blind cannot guarantee their safety when going out, they can prevent getting lost, take the bus, take the elevator, go to the toilet, know the road name, office, business name, house number, and go shopping in the mall or supermarket. How to overcome difficulties during the ice-covered blind period, let alone measures

[0022] (3) Overview and advantages and disadvantages of "SJTU Invention"

[0025] (3-2) Language guides are limited—the use of language to guide blind people has great limitations

So corrected and not corrected, its dangerous consequences are hard to escape

Splitting is even more impossible

[0027] (3-4) Expensive and difficult to popularize——The master and slave of this patent are composed of radio transceivers, single-chip microcomputers, electronic guide sensors, etc., and the price cannot be very low. There are more than 12.7 million blind people in my country. How many cities can afford to pay a large amount of extra expenses on transportation when medical care and pensions have not been fully resolved?

It is even more impossible for blind people to buy by themselves

[0028] (3-5) Electric wave interference damages the eardrum—the patent has several sets of transceivers at a crossroads, which will not only interfere with nearby communications, mobile phones, television, broadcasting, aviation, etc., but also be affected by electronic waves from passing vehicles. Noise intrusion affects blind people to make correct judgments

[0029] (3-6) "Organs outside the body" are prone to "paralysis" - Blind people must carry special transceivers with them for transportation

[0030] (3-7) Battery pollution damages the environment——because the power supply of the transceivers carried by the blind people when they go out is batteries

[0031] (4) General situation and defects of guide dogs

"Then it is not difficult to correctly choose the "barrier-free access" system that guarantees safety, comprehensive functions, and low-cost blind transportation.

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