Touch stamp for portable terminal employing touchscreen, and authentication system and method using the same

Abstract

The present invention relates to a method for performing an authentication using a touch stamp which can perform a touch input operation for inputting a pattern that may not be easily directly inputted by a human to a portable terminal which supports multiple touches. The touch stamp of the present invention comprises: a body having one flat end in which one or more through holes are formed; and one or more touch protrusions accommodated in the body and selectively protruding outwardly from said one end of the body through the through holes according to a touch pattern having at least one of a preset time pattern and a preset location pattern. The present invention has advantages of enabling a touch input operation for inputting a fine pattern on a touch screen of a portable terminal.

Dependencies are inferred from the claim text.