Information providing device and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 18, 2007
Grant Date -
Oct 17, 2002
app pub date -
May 29, 2001
filing date -
May 29, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
An authentication function authenticates a PDA. The content database holds the usage conditions of a content and the information about the content. The communication function controls the reception of the usage conditions and the content information, both transmitted from the PDA. The content management function updates the usage conditions and the content information received, on the basis of the usage conditions and the content information held. The desired content is thereby retrieved quickly.
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