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. 07, 2014
Filed:
Jul. 28, 2011
Lars Schrix, Duisburg, DE;
Michael Mansholt, Köln, DE;
Manuel Steinbrink, Korschenbroich, DE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Method of performing a challenge-response process, comprising, in this sequence, the steps of a) providing a first challenge-response pair () on a source device (), assigned to a responding device (); b) loading the first challenge-response pair () from the source device () to a challenging device (), while the source device () is operationally connected to the challenging device (); c) performing a challenge-response process between the challenging device () and the responding devices () to which the first challenge-response pair () is assigned, d) loading one or more second challenge-response pairs () from a source device () to the challenging device (), while the source device () is operationally connected to the challenging device (), wherein the step of loading the first challenge-response pair () from the source device () to a challenging device () is performed before the challenging device () has received any information from one of the responding devices (), to which the first challenge-response pair () is assigned.