Patent ID: 6764400
Filing Date: 2004-07-20
Classification: A63F

Abstract:
A hand-held game machine having a horizontal orientation and a vertical orientation, the game machine comprising:a game machine housing positionable in the horizontal orientation and the vertical orientation; a display screen; and first and second operation key-sets; wherein the game machine is adapted to receive either a horizontal game play orientation signal or a vertical game play orientation signal; wherein a first functionality is assigned to the first operation key-set operated by a first finger of a user of the hand-held game machine in response to receiving the horizontal game play orientation signal; wherein a second functionality is assigned to the second operation key-set operated by the first finger of a user of the hand-held game machine in response to receiving the vertical game play orientation signal; wherein the first finger operates the same functionality in both the horizontal orientation and the vertical orientation; and wherein the first operation key-set is physically separate and distinct from the second operation key-set.