Laser Sonar Walking Sticks For The Blind

The lasercane is a lightweight adjustable walking stick which projects a bright green line across your path.

Laser sonar walking sticks for the blind.

Gross nav igation i e the task to find the way from one point to another can only partly be achieved by this support. A part of the cane s handle also vibrates when there is an object in front of the user. For more than 50 years people have tried to re engineer this cane. It can be used on its own.

The ultracane an award winning primary mobility aid. Hand held laser tool assists the blind. There have been more than 100 smart cane inventions attempts to build a cane that can detect obstacles and perform other functions electronically. However mobility experts strongly recommend that blind persons first learn the use of the long white cane before using the laser cane.

Sonar sticks use ultrasound to guide blind people. Ii hene pointing laser and a matrix ccd camera with 1024 768 pixels and a frame rate of 15 frames s for the virtual cane prototype system. Many of the potential beneficiaries are unable to afford 3 000 rupees however so the company is looking for donors to pledge money to subsidise up to 2 600 rupees for each walking stick. There s the ultracane the k sonar the c 5 laser cane and the list goes on.

The estimated range of the sensor is between 0 5 and 4 m with a resolution of a few centimeters at the maximum distance. The laser is most effective indoors outdoors especially on bright or sunny days the laser can be difficult to see. Laser cane being demonstrated by one of the skilled and dedicated orientation and mobility specialists lee farmer. Guide dogs queensland has begun trials of a laser guided walking cane and plans to soon test a prototype batcane that uses sonar technology to warn the blind of obstacles.

High tech walking canes use ultrasound to let blind people know about their surroundings. Of the hines veterans administration blind rehabilitation center. The c 5 laser cane emits pulses of infrared fig which if reflected from an object in front of it are detected by a photodiode placed behind a receiving lens. A long cane and maybe a guide dog are the helping companions for avoiding obstacles on the way.

Developing safer alternatives since 2010 the ultracane is a primary electronic mobility aid for use by people who are blind or visually impaired and is the only electronic mobility aid that utilises state of the art narrow beam technology allowing the user to safely avoid obstacles and navigate around them both in the user s forward.