The long white cane has been a symbol of blind persons around the world. This simple device has helped millions of blind persons find their way towards the place they want to go to.
It has also inspired a number of electronic mobility devices for blind individuals. Taking the concept of the white cane, developers of assistive technologies have made these electronic devices to enhance the traveling experience of persons who are blind. Most of these devices should be used in conjunction with the cane or other mobility aids.