Patent attributes
A game machine operating device mounted on a game machine with a game board and provided on a front side of the game board includes: an operation unit which receives an operation; and a projection unit which radiates light in a direction toward the game board to project a first image on an area in a field of view of a player viewing the game board. The projection unit includes: a first light source; and a light guide into which light emitted from the first light source is guided. The light guide has a light diffusion pattern formed on one or both of a front surface and a rear surface, wherein light is emitted through the light diffusion pattern to form the first image. A part on which the light diffusion pattern is formed is disposed to be directed in the direction toward the game board.
