Patent ID: 7069516

Claim:
An information input/output system to be used for user operations relating to an object in an information space realized by expanding a digital space of a computer into the real world, said system comprising: one or more than one operation surfaces arranged in said information space; a display means for displaying an image on said operation surfaces; an imaging means for picking up an image of said operation surfaces; a stationary environment type computer arranged in said information space; and one or more than one physical objects mounted on said operation surfaces and containing a visually identifiable visual marker on the surface thereof, said visual marker including identification information and position information for said physical objects; said environment type computer being adapted to execute; a processing operation of recognizing the identification information and the position information of each of said physical objects by indentifying the visual marker on the surface of each of said physical objects; a processing operation of recognizing a digital object dropped to a site on the surface of each of said physical objects; and a processing operation of forming link information for linking the digital object to the dropped site on the surface for each of said physical objects.