The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 23, 2012
Filed:
Jun. 29, 2005
Motohisa Araki, Akishima, JP;
Shuichi Sato, Sagamihara, JP;
Motohisa Araki, Akishima, JP;
Shuichi Sato, Sagamihara, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A communication system includes a first communication terminal connected to an internal communication network, a second communication terminal connected to an external communication network arranged in an area, and a connection device which connects the internal communication network and external communication network to each other, wherein the second communication terminal includes means for storing first transmission-destination identifying information included in the data area of a communication packet transmitted from the first communication terminal, means for comparing the first transmission-destination identifying information and second transmission-destination identifying information included in the header area of a communication packet, means for adding the second transmission-destination identifying information to the communication packet to be transmitted to the first communication terminal when the first transmission-destination identifying information and the second transmission-destination identifying information do not coincide with each other.