April 20th, 2009
Finnish Trial For Touch-Screen Braille On Mobiles
A method for presenting Braille characters as a sequence of strong and weak pulses on the touch-screen of a mobile device has been developed by a research team at the University of Tampere in Finland.
The most successful method tested by the team involved sending sequences of pulses about a third of a second apart to a single point of the screen of a Nokia 770 Internet Tablet. Almost all participants could accurately recognise individual characters sent in this way, though faster speeds reduced the recognition rate.
(more…)