Patent ID: 8860689

Claim:
An interface application enabling multi-functionality of a specific area part of an interface in a computerized device, wherein the identity of the user is known, said interface comprising of: at least one touch screen area surface, said touch screen area surface is integrated with at least one sensor for capturing at least part of distinguishing ridges and valleys of the touching fingertip touching a specific area; wherein once the user pressed the touch screen, his fingertip captured image is received by the computer device associated with the touch screen; a processing module arranged to analyze said distinguishing ridges and valleys of the touching fingertip for identifying characteristic of the specific touching finger differentiating said finger from other fingers of the same user and; an activation module for determining the functionality of said specified area based on the identified finger and activating the determined functionality, wherein the selection and activation of one function out of multiple different functions is derived from pressing only once on touch screen area surface.