Investigating the use of vibro-tactile feedback for mobile interaction by blind users: the numeric keyPad case

Leporini B, Chiti S

Mobile accessibility  Touch-screen interaction  Haptic interaction  Blind users  Design  Experimentation  Human Factors  Human interfaces 

For visually-impaired people interacting with touch-screens can be very complex because of the lack of hardware keys or tactile references. We investigate how a multimodal approach can overcome this issue. We propose a prototype which exploits haptic feedback as a support for detecting the numpad and special buttons.