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:
Sep. 01, 2009
Filed:
Nov. 05, 2004
Tsuyoshi Kasaura, Tokyo, JP;
Sadayuki Inoue, Tokyo, JP;
Soichiro Matsumoto, Tokyo, JP;
Tetsuro Shida, Tokyo, JP;
Toshimitsu Sato, Tokyo, JP;
Masahiro Tsujishita, Tokyo, JP;
Tsuyoshi Kasaura, Tokyo, JP;
Sadayuki Inoue, Tokyo, JP;
Soichiro Matsumoto, Tokyo, JP;
Tetsuro Shida, Tokyo, JP;
Toshimitsu Sato, Tokyo, JP;
Masahiro Tsujishita, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A management unit () which issues a digital certificate to a new transmission unit () includes a wireless communication section for performing communication in a network () and a wire communication section to which the new transmission unit () can be connected; when the new transmission unit () is wire-connected to the management unit (), it is judged in accordance with the received device type information of the new transmission unit (), whether or not the new transmission unit () is a device having a communication means that can communicate in the network (); and if the new transmission unit is judged as a device having that type of means, the management unit creates a digital certificate by using a device identifier specific to the new transmission unit (), and sends the digital certificate to the new transmission unit ().