Secure physical documents, and methods and apparatus for publishing and reading them
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 18, 2007
Grant Date -
Jul 15, 2004
app pub date -
Oct 31, 2003
filing date -
Jan 15, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A security document, comprises a printed document and one or more memory circuits adapted to be read wirelessly attached to or incorporated within the printed document, wherein data in the memory circuit is protected from access by an unauthorised reader, and wherein the memory circuit is physically isolated so as to inhibit physical tampering or to indicate when physical tampering has occurred. Methods of publishing and of reading such security documents are described.
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