System and process for reading hologram code, hologram and card containing hologram.

摘要

A hologram code reading system wherein the reconstruction light of a light source (112) illuminates the recorded area of a hologram that contains codified data recorded as image data, and a code reading sensor (113) is arranged at the reconstruction position of the hologram reconstruction image played back by the reconstruction light from the light source, and a control means (116 and 117) is provided for obtaining codified data from the hologram reconstruction image readout by the code reading sensor. <IMAGE>