DISPOSITIVO DE ENTRADA, SISTEMA DE ENTRADA, E, MÉTODO PARA PROPORCIONAR UMA REALIMENTAÇÃO TÁCTIL A UM DEDO

摘要

A input system, a method and an input device for providing a tactile feedback to a finger to acknowledge an activation of a touch surface of the input device, comprising at least three elongate objects of shape memory metal, each of the objects being arranged to cooperate operatively with at least one biasing means and to contract in a different direction than the other elongate objects of shape memory metal when providing the tactile feedback to the finger.