Cheap and secure data carrying card - is made of cast plastic material and has impression with unique relief pattern in base which is read by detector
摘要
A data-carrying card has a zone with a relief pattern on at least part of its surface, and this pattern provides data which can be identified by means of a detector. The substrate of the card is pref made of a plastic material. ADVANTAGE - The card is simple and cheap. It has safety systems which are virtually undamageable. Its mfg process is simple and cheap.
申请公布号
DE4038508(A1)
申请公布日期
1991.06.13
申请号
DE19904038508
申请日期
1990.12.03
申请人
BAUER, ERIC, NEUCHATEL, CH;STOCKBURGER, HERMANN, 7742 ST GEORGEN, DE
发明人
BAUER, ERIC, NEUCHATEL, CH;STOCKBURGER, HERMANN, 7742 ST GEORGEN, DE