READER AND AUTHENTICATION DEVICE INCLUDING THE SAME

摘要

Reader (1) for reading the configuration of surface of object (101), comprising magnetic displacement part (2) whose magnetic condition is changed upon contact with the surface in conformity with the configuration thereof and detector (3) capable of detecting the magnetic condition of the magnetic displacement part (2). There is further provided an authentication device comprising the above reader, a storage part and a collating part, wherein the configuration of surface of object is registered in advance in the storage part and wherein the collating part collates the configuration read by the reader with the configuration registered in the storage part. These reader and authentication device realize a reader and authentication device wherein the magnetic displacement is employed in the detection system.