| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a storage method and an acquisition method for information substitute for a conventional two-dimensional code. <P>SOLUTION: This information acquisition system has: an information storage card having a first area having a first transmittance and a second area having a second transmittance different from the first transmittance, storing information on the basis of at least one of a position, number, and a form of the second area; a light emission means outputting light onto the information storage card; a photodetection means detecting transmission light transmitting the information storage card from the light emission means; and a control means calculating at least one of the position, the number, and the form of the second area on the basis of a detection value of the transmission light, and producing decoding data on the basis of at least one of the position, the number and the form of the second area. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
