Authentication receipt
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United States of America Patent
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Apr 1, 2008
Grant Date -
Apr 17, 2003
app pub date -
Sep 6, 2002
filing date -
Sep 7, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a method, a system and a computer-readable medium storing computer-executable components for authenticating a digital pen. The invention is based on the idea that a paper look-up server issues an authentication receipt used by a service handler to authenticate a digital pen. The authentication receipt comprises such information that the service handler can use it to authenticate the digital pen without having to communicate with the paper look-up server.
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