Patent ID: 8684842

Claim:
A game system comprising a home-console type game device, a controller device and a portable display device, the game device comprising: an operation data reception section for receiving operation data from the controller device; a game process section for performing a game process based on the operation data; a game image generation section for successively generating first game images based on the game process; a game image compression section for successively compressing the first game images to generate compressed image data; and a data transmission section for successively wirelessly transmitting the compressed image data to the portable display device, the controller device comprising: an image-capturing section capable of detecting infrared light; an inertia sensor; at least one operation button; and an operation data transmission section for wirelessly transmitting the operation data to the game device, wherein the operation data includes data representing a detection result from the image-capturing section, data representing a detection result from the inertia sensor, and data representing an operation performed on the operation button, the portable display device comprising: an infrared light-emitting portion capable of emitting infrared light; a game image reception section for successively receiving the compressed image data from the game device; a game image expansion section for successively expanding the compressed image data to obtain the first game images; and a display section for successively displaying the first game images obtained by the expansion.