| 摘要 |
<P>PROBLEM TO BE SOLVED: To more reliably read information of a marker and a non-contact ID tag. <P>SOLUTION: A composite marker 10 being a target of an information acquisition device having a camera with a predetermined photographing range and a non-contact ID information acquisition part for acquiring information held by a non-contact ID tag existing in a predetermined position for the photographing range comprises a marker 11 having at least three optically recognizable characteristic points, in which three-dimensional arrangement of the characteristic points is already known, and being capable of specifying the relative positional attitude for the camera having photographed an image from the image being photographed so as to include the characteristic points, and the non-contact ID tag 12 having a storage part 12C for storing information related to the marker 11 or to an article to which the marker 11 is fixed, an antenna 12A for transmitting information held in the storage part 12C in non-contact manner, and an IC chip 12B. The antenna 12A is fixed to a relatively predetermined position for the marker 11. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
