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. 09, 2010
Filed:
Feb. 18, 2004
Applicants:
Günther Horn, München, DE;
Dirk Kröselberg, München, DE;
Inventors:
Günther Horn, München, DE;
Dirk Kröselberg, München, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A first cryptographic key () and a second cryptographic key () are created by a mobile radio terminal () and by a computer of the home communications network () by using authentication key materials (). The first cryptographic key () is transmitted to the computer of the visited communications network (), and the second cryptographic key () is transmitted to an application server computer ().