Patent ID: 7959302

Claim:
A game machine comprising: a display device including: an image display screen; a plurality of rotating drum reels defining a periphery, each of the rotating drum reels having patterns formed on a side surface; a rotation drive device which rotates the plurality of rotating drum reels; a light source device which emits a modulated luminous flux as an approximately parallel light; an optical scanner which causes the luminous flux from the light source device to scan over the screen; a synchronous drive unit which synchronously drives the light source device and the optical scanner; and a display control device which, by controlling an operation of the synchronous drive unit, causes it to carry out a display of an image on the screen, wherein the screen, being installed in such a way as to be movable, further includes a disposition changing device capable of moving a position of the screen, and wherein the screen is disposed in a prescribed place on the periphery of the plurality of rotating drum reels.