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:
Mar. 16, 2010
Filed:
Feb. 18, 2005
Kazuhiro Aizu, Beijing, CN;
Takahiro Tsujimoto, Moriguchi, JP;
Yasuyuki Shintani, Nishinomiya, JP;
Shinichi Tsuchida, Ibaraki, JP;
Kazuhiro Aizu, Beijing, CN;
Takahiro Tsujimoto, Moriguchi, JP;
Yasuyuki Shintani, Nishinomiya, JP;
Shinichi Tsuchida, Ibaraki, JP;
Panasonic Corporation, Osaka, JP;
Abstract
The communication system according to the present invention is made up of: a connected communication terminal () to which communication is requested; a connecting communication terminal () that requests a communication with the connected communication terminal (); a session management server () that manages sessions between the communication terminals; a trigger server () that transmits, to the connected communication server (), the request made by the session management server (); and routers (and) that relay between the connecting communication terminal () and the connected communication terminal (), and a network (). In the system, the connected communication terminal () holds a permission list (L) that is a list of communication terminals to which connection is permitted, and the session management server () judges, with reference to the permission list (L), whether or not the communication between the connected communication terminal () and the connecting communication terminal () is permitted.