Patent ID: 7171627

Claim:
A link information display device for displaying link information transmitted by a link information transmitter, comprising: video input means for obtaining a video signal of real space; receiving means for receiving said link information comprising link content information, attribute information and link position information, wherein said link position information comprises virtual space position information in a three-dimensional coordinate system; transmitting position detection means for detecting the position of said transmitter in the three-dimensional coordinate system in accordance with said received link information; coordinate transformation means for transforming the three-dimensional coordinate system of said link position information and the position of said transmitter into a display position three-dimensional coordinate system; display position determining means for determining a display position of said link content information on the basis of said display position three-dimensional coordinate system and said attribute information; superimposing means for superimposing said link content information onto said video signal in accordance with said display position determined by said display position determining means; and display means for displaying said superimposed video signal.