专利名称：Data card发明人：Atsushi Suzuki申请号：US05/836616申请日：19770926公开号：US04202491A公开日：19800513
摘要：A data card wherein various data are recorded with a fluorescent material whichemits infrared rays when excited by infrared rays is disclosed.
The data card according to this invention has such merit that it is very effective for thepreservation of secrecy and the prevention of forgery, that it is not affected by stains,that different information can be recorded thereon one over the other, and that it can beread by an extraordinarily compact reader.
申请人：HITACHI LTD
代理机构：Craig and Antonelli
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