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:
Apr. 20, 2010
Filed:
Jul. 06, 2004
Applicants:
Udo Doebrich, Karlsbad, DE;
Roland Heidel, Kandel, DE;
Edmund Linzenkirchner, Eggenstein-Leopoldshafen, DE;
Inventors:
Udo Doebrich, Karlsbad, DE;
Roland Heidel, Kandel, DE;
Edmund Linzenkirchner, Eggenstein-Leopoldshafen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for data transmission, comprising the following steps: first data from a stochastic process is inputted into at least a first and a second subscriber of a communication network; and a symmetrical key is produced on the basis of the first data in both the first and the second subscriber, and stored in the same, for an encoded data transmission between said subscribers.