Patent ID: 8870651

Claim:
A display device for a game, the display device comprising: a display screen configured to display an image informing a result of the game; a first sliding door in front of the display screen, the first sliding door driven by a motor to move along a first guide to open and close the display screen; a rotation axis configured to rotate based on variation of an opening area of the display screen due to movement of the first sliding door; a magnetic sensor configured to detect rotation of the rotation axis; a memory that stores pattern data indicating patterns of moving pictures to be displayed on the display screen and door control data indicating positions and resting durations of the first sliding door; and a controller configured determine position of the first sliding door based on a magnetic sensor signal from the magnetic sensor, to select one of the pattern data and one of the door control data based on the result of the game, to control the display screen to display images based on the selected pattern data, and to control the movement of the first sliding door based on the selected door control data.