This development makes Braille keyboards low-tech!
The DTI tool will likely have three layers:
1. A bottom layer touch screen connected to a computer for audio feedback to communicate the position touched on the screen.
The tactile interface team is utilizing its collective skills to move electrical charges through manmade materials. In brief, the device is being designed to rise slightly and possibly to wiggle in response to electronic signals, allowing the user's fingertips to sense a pattern. If all goes according to plan, sound feedback will steer a user’s fingers along the lines of a graph or a diagram.
As their collective expertise improves, the team plans to enable vision-impaired people to see pictures, too. They’re already bringing people with little or no physical vision to the digital age. It’s all good news for blind individuals and people whose sight has been reduced by accidents, brain tumors, cataracts, congenital deformity, and more.
James West http://www.ece.jhu.edu/faculty/west.shtml
Johns Hopkins Department of Electrical and Computer Engineering http://www.ece.jhu.edu/
Ilona Kretzschmar http://www-che.engr.ccny.cuny.edu/ilona/public/
The City College of New York http://www1.ccny.cuny.edu/
UPDATE: Here's another empowering device for people with little to zero optical vision. And it's already on the market! http://www.infolive.tv/en/infolive.tv-6142-israelnews-exclusive-virtual-fingertips
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