| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tester advantageous in terms of cost while it can rapidly and surely execute a test for authenticity of a test object having a hologram. <P>SOLUTION: This tester is provided, in a case 3, with: a light source 4 for radiating light; and a reflection type prism 7 for irradiating the hologram provided for the test object located on the lower side with the light from the light source 4 and for introducing light reflected from the hologram in different directions to refract them to the upper side being the same direction or nearly the same direction. <P>COPYRIGHT: (C)2007,JPO&INPIT |
