Smart sticks help blind people
The Indian Institute of Technology (IIT) in Delhi has developed a high tech club to help 9 million visually impaired people in the country easier to travel.
Intelligent walking has two parts: vibration technology for detecting obstacles and ultrasound equipment to help with the use of a bus. With pulse detectors and alarms, the new rods can detect the head at a level from the knee upwards and predict obstacles within three meters, compared to those in the market that only help. Detecting a path from above the knee within one meter. In addition to the user-defined radio system, pulse warning control and a battery-powered loudspeaker, the smart stick can send radio frequencies to the bus for vehicle identification numbers. and pronounce for the user to know. The headset user knows the bus number and goes in the right direction to get to the door.
However, there should be a small electronic box attached to the bus door so that the box responds to the radio frequency produced by the smart sticks device.
Q.HUANG
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