[Vijay] has been working since 3 years on a Refreshable Braille Display but has only recently ... on is the Braille Keyboard – a tactile input device that can be used along with smart phones ...

The refreshable Braille display allows blind people to understand graphical interface elements by constantly changing the disposition of dots - it’s a very advanced technology, and so is Apple’s ...

They’re developing HaptiRead, a mid-air haptic feedback system that can be used as a touchless, refreshable display for Braille or 3D shapes. HaptiRead is based on a Stratos Explore development ...