Communication apparatus having power-saving communication function, and communication method
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United States of America Patent
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Feb 28, 2012
Grant Date -
Jul 26, 2007
app pub date -
Feb 3, 2006
filing date -
Feb 15, 2005
priority date (Note) -
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Abstract
A communication apparatus which starts communication using a power-saving function changes, with its communication counterpart, a key for a confidential mode and performs power-saving communication. When terminating the power-saving function, the communication apparatus returns, with its communication counterpart, the key for the confidential mode to the original one. Then, after returning the key for the confidential mode to the original one, the communication apparatus performs an IP address reassignment process.
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