Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Natsuko Tamai0
Date of Patent
July 5, 2011
0Patent Application Number
129256790
Date Filed
October 27, 2010
0Patent Primary Examiner
Patent abstract
The present invention serves to provide a stereoscopic sheet structure in which a three-dimensional design appears to be changing by changing the angle of observation. The stereoscopic sheet structure has a convex lens assembly which is formed on one surface of a sheet member and in which a plurality of convex lenses are arranged; and a repeating design portion in which a plurality of design units are arranged on a focal plane of the convex lenses at arrangement intervals and/or in arrangement directions different from those of the convex lenses, and which has a continuously deformed design portion in which the arrangement intervals and arrangement directions of the design units regularly change.
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