Non-contact type ic medium and read-write system using the medium
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United States of America Patent
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Issued Date -
Feb 26, 2004
app pub date -
Apr 15, 2003
filing date -
Oct 31, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A non-contact type IC medium and a read/write system using this medium, and a technique of improving the reliability and the security of them. In the non-contact IC medium, three or more non-contact type IC chips (1) each having an information storage portion and at least one antenna (2) which transmits and receives data in the non-contact manner are arranged at positions enabling reading and writing at the same time, and divided data of data to be recorded and error correction data used to restore the divided data which has failed to be read by the read divided data are recorded in all or a part of the three or more non-contact type IC chips (1).
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