Application areas

Haptic Touch Technologies success story:

One example of successful integration is the application that allows blind and visually impaired people to operate an ATM.

THE TASK

was to replace the existing keyboard and integrate it on the touch surface.
Until then the keyboard was crucial for blind and visually impaired people, so they could enter their PIN safely. Blind people always operate keyboards by focusing on the number „5“ which has a raised dot in the middle of the key.

This mechanical point of reference and the knowledge of the position of the remaining keys enables them to enter the remaining PIN.

THE SOLUTION

was to enable blind and visually impaired people to locate the key “5”. Initial approaches failed as it is impossible for blind and visually impaired people to find the “5” on a large smooth surface. The inversion of the logic, i.e. “the user does not find the 5”, “let the 5 find the user” made the locating possible.

The pin pad, to be specific, the “5”, was positioned directly under the user’s finger after initial contact with the input surface. A gentle pulsating sensation signals the correct position to the user enabling visually impaired people to follow their usual logic and knowledge. The work flow was simplified again – once the 4th digit has been entered the command “Enter” follows automatically.

 

IN SUMMARY

the combination of force measurement, tactile feedback and intelligent HMI enables blind and visually impaired people to successfully enter their PIN on a touch-controlled surface.

 

Further application areas for our “Haptic Touch Technologies”