US 5,616,078 · Granted 1997-04-01

Motion-controlled video entertainment system

A motion-controlled video entertainment system includes markers to be attached at a specified position on a player; a detector operable to detect threo-dimensional positions of the markers; a calculator operable to calculate posture parameters of the player based on the detected three-dimensional positions of the markers; a game processor operable to generate a game image in accordance with a predetermined game program and the calculated posture parameters of the player; and a display device operable to display a generated game image. The motion of a particular game character displayed on the display device is controlled in accordance with the motion of the player's body, thereby enabling realization of a more real atmosphere.

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