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A keyboard is specially designed and constructed to provide easy typing technology for the visually impaired. There are totally 6 logical sensing switches that are used for acquiring the characters. The whole keyboard works based on Braille system. There are also five other specially used switches like shift (number alphabet toggle button), space, back sense, caps lock and speak. This keyboard is a device made of logical switches and uses Braille system technique for sensing the characters. In this system, the sensors are aligned according to the Braille language i.e. alphabets or numeric/special characters. The main advantage of this project is that the visually impaired do not need any training since most of them are already specialized in Braille language. This keyboard is interfaced with a computer in a similar way to that of the primary keyboards that are available.
Date of Conference: 25-27 March 2009