| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an authenticity determination system for determining authenticity of a transparent object without assigning identification codes to each of objects in authenticity determination of articles. <P>SOLUTION: An authenticity determination object 10 including a light selective reflection layer laminated on a transparent body, the reflection layer reflecting a specific-wavelength light in a form of circular polarized light, receives laser emitted from an laser light irradiation part 21. An imaging part 22a receives resultant speckle pattern, and the pattern is compared and collated with a pattern registered in advance, to determine the authenticity of the object. <P>COPYRIGHT: (C)2010,JPO&INPIT |
