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. 18, 2011
Filed:
Mar. 04, 2005
Hiroshi Isozaki, Kawasaki, JP;
Takeshi Saito, Meguro-ku, JP;
Tatsuyuki Matsushita, Kawasaki, JP;
Tooru Kamibayashi, Chigasaki, JP;
Hiroshi Isozaki, Kawasaki, JP;
Takeshi Saito, Meguro-ku, JP;
Tatsuyuki Matsushita, Kawasaki, JP;
Tooru Kamibayashi, Chigasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
An information processing system in which information transfers between communication devices through a network is limited within a prescribed range by registering unique information obtainable within the prescribed range into each device and permitting information transfer between devices which share common unique information, where the unique information is formed by a pair of public and secret unique information, a bridge device is controlled such that, upon receiving a proxy check request from a reception device, whether a transmission device is another bridge device or not is judged when the public unique information registered by the reception device is registered in the bridge device and one public unique information registered in the bridge device is registered by the transmission device. Then, the secret unique information registered by the reception device is transmitted to the transmission device when the transmission device is not another bridge device.