Patent ID: 7594853

Claim:
An information processing apparatus for displaying scene in a virtual space according to a position of each of a plurality of head mount displays (HMDs), each head mount display having a sensor for use in detecting the position of the head mount display, comprising: an acquiring unit configured to acquire the positions of the plurality of head mount displays in order to determine the presence or absence of the plurality of head mount displays from the positions detected and transmitted to the acquiring unit by the sensors, each of the head mount displays is mounted on each of plural players, the players sharing the virtual space; a determining unit configured to determine from the presence or absence whether all the plurality of head mount displays are present within a predetermined area in a real space; a control unit configured to start displaying scenes in the virtual space on the plurality of the head mount displays, when it is determined by the determining unit that all the plurality of head mount displays are present within the predetermined area in the real space; and a HMD power source controller for controlling turning on and off a power source of each said head mount display, wherein when each said head mount display has entered an equipment storage area, said HMD power source controller turns off the power source of that head mount display, and wherein when each said head mount display has exited from the equipment storage area, said HMD power source controller turns on the power source of that head mount display that has exited from the equipment storage area.