Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshihiko Matsunaga0
Date of Patent
March 22, 2011
0Patent Application Number
124532660
Date Filed
May 5, 2009
0Patent Primary Examiner
Patent abstract
A gateway apparatus relays a data packet only when a network that is connected to the gateway apparatus itself is identical to a network that is connected to a node associated with a sender's address. The sender's address is carried in the data packet received. Even if there are accesses from a plurality of nodes to a certain node (e.g., sensor node), the gateway apparatus can relay the data packet such that data retrieval takes place appropriately and/or such that node control takes place appropriately.
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