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:
Jun. 16, 2015
Filed:
Jan. 31, 2011
Applicants:
Taketsugu Yao, Osaka, JP;
Jun Nakashima, Osaka, JP;
Kiyoshi Fukui, Mie, JP;
Inventors:
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/08 (2013.01); H04L 9/0838 (2013.01); H04L 63/068 (2013.01);
Abstract
A communication terminal generates a temporary network key based on a managed master network key and on key identification used for security processing on a communication frame. The security processing is performed on the communication frame using the temporary network key. A secure communication frame is produced in which the identification of the key is indicated.