Patent ID: 8317615

Claim:
A game system comprising a console type game device, a controller device, a portable display device, and a first infrared emitter, the game device comprising: a first receiver configured to receive first operation data from the controller device; a game processor configured to perform game processes based at least in part on the first operation data; an image processor configured to generate first game images and second game images based on the game processes; a compression circuit configured to compress the first game images to generate compressed image data; a first wireless transmitter configured to wirelessly transmit the compressed image data to the portable display device; and an output configured to output the second game images to an external display device which is separate from the portable display device, the portable display device comprising: a second infrared emitter; a second receiver configured to receive the compressed image data from the game device; a decompression circuit configured to decompress the compressed image data to obtain the first game images; and a display configured to display the first game images obtained by the decompressing, the controller device comprising: an infrared detector configured to detect infrared light from at least the first infrared emitter; a first inertia sensor; at least one operation button; and a second wireless transmitter configured to wirelessly transmit the first operation data to the game device, wherein the first operation data includes infrared detector data, inertia sensor data, and operation button data.