Patent ID: 6433793
Filing Date: 2002-08-13
Classification: G06F

Abstract:
A portable telephone terminal device equipped with a display unit having a screen comprising:first and second shake movement detectors each for detecting the direction of shaking said terminal device parallel to or perpendicular to one axis of said screen, wherein said first and second shake movement detectors detect the shaking direction upon shaking of said portable telephone terminal device by a user, and wherein said display unit has a driving circuit which scrolls an image displayed on the screen along the shaking direction, wherein each of said first and second shake movement detectors comprise: a cylinder, an electrically conductive cylindrical member received within said cylinder with both ends of the same being retained by elastic members, first and second electrode pairs directly fixed to both ends of the cylinder, and a signal generation circuit providing a shake movement detection signal for each of said first and second electrode pairs.