Patent ID: 8106795
Filing Date: 2012-01-31
Classification: G06F,H04M

Abstract:
1. A mobile device comprising: a key input unit that comprises a plurality of keys and that receives pressed-key information on a key pressed by a user; a coordinate voltage level conversion unit that converts the pressed-key information received from the key input unit into a coordinate voltage level; an acceleration detection unit that detects an acceleration caused by a fluctuation; an acceleration inverted voltage level conversion unit that holds acceleration data for a predetermined period of time by receiving the acceleration data from the acceleration detection unit and, when the acceleration inverted voltage level conversion unit receives the pressed-key detection information from the key input unit and holds acceleration data on a point of time immediately before receiving the pressed-key detection information, adds an offset voltage level to the acceleration data according to the coordinate voltage level from the coordinate voltage level conversion unit and converts the acceleration data into an acceleration inverted voltage level in an inverse direction determined based on the offset voltage level; a coordinate voltage level correction unit that converts the coordinate voltage level from the coordinate voltage level conversion unit into a corrected coordinate voltage level according to the acceleration inverted voltage level from the acceleration inverted voltage level conversion unit; and a corrected pressed-key information conversion unit that converts the corrected coordinate voltage level from the coordinate voltage level correction unit into corrected pressed-key information.